/* ==========================================================================
   NoteLink — design system
   Xanh nước biển (#087EA4) cho thương hiệu, điều hướng, liên kết, nút chính.
   Xanh lá (#16A34A) CHỈ cho thống kê / chỉ số tích cực / trạng thái hoàn thành.
   Desktop dùng sidebar; ≤ 900px dùng thanh điều hướng dưới (xem "Mobile shell" cuối file).
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* sáng là mặc định — bảng màu theo brief */
  --bg: #F0F9FF;           /* nền xanh rất nhạt */
  --sidebar: #FFFFFF;
  --surface: #FFFFFF;      /* nền khu vực nội dung */
  --surface-2: #F5FAFD;    /* hover / đầu bảng */
  --surface-3: #E6F2F8;
  --border: #DCEAF2;       /* đường viền */
  --border-strong: #C3D9E6;
  --text: #0F172A;         /* chữ chính */
  --text-2: #334155;
  --muted: #64748B;        /* chữ phụ */
  --muted-on-bg: #586679;  /* chữ phụ đặt trực tiếp trên nền xanh nhạt (AA) */

  --accent: #087EA4;       /* xanh nước biển chủ đạo */
  --accent-hover: #075985; /* xanh nước biển đậm */
  --accent-text: #075985;  /* chữ link: xanh đậm → đạt AA trên cả nền #F0F9FF */
  --accent-press: #075985;
  --accent-soft: rgba(8, 126, 164, .09);
  --on-accent: #ffffff;
  --star: #D97706;

  --stat: #16A34A;         /* xanh lá cho thống kê */
  --stat-strong: #15803D;  /* số liệu xanh lá đậm (tương phản tốt trên nền nhạt) */
  --stat-soft: #F0FDF4;    /* nền thẻ thống kê */
  --stat-border: #BBF7D0;

  --ok: #16A34A;   --ok-soft: #F0FDF4; --ok-text: #15803D;
  --danger: #DC2626; --danger-soft: rgba(220, 38, 38, .07);
  --warn: #F59E0B; --warn-text: #B45309; --warn-soft: rgba(245, 158, 11, .12);
  --info: #087EA4; --info-soft: rgba(8, 126, 164, .07);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 6px 20px -8px rgba(8, 89, 133, .14);
  --shadow-lg: 0 24px 50px -16px rgba(8, 89, 133, .25);
  --ring: 0 0 0 3px rgba(8, 126, 164, .25);
  --accent-glow: rgba(8, 126, 164, .45);

  /* điểm nhấn phụ (trang giới thiệu, icon, gradient) */
  --sky: #38BDF8;
  --violet: #818CF8;
  --accent-tint: #E0F2FE;          /* nền nút secondary / mục đang chọn */
  --accent-strong: #075985;        /* chữ trên nền xanh nhạt (nút secondary, mục đang chọn) */
  --ok-strong: #15803D;            /* nền nút success (chữ trắng đạt tương phản AA) */
  /* gradient nút chính: xanh biển → xanh dương → chạm tím nhẹ (đủ tương phản cho chữ trắng) */
  --grad-primary: linear-gradient(135deg, #087EA4 0%, #0A78B8 55%, #4F5FD6 100%);
  --grad-primary-hover: linear-gradient(135deg, #06739A 0%, #0A6CAA 55%, #4B55CC 100%);
  --grad-text: linear-gradient(100deg, #075985 0%, #087EA4 40%, #5B5FE0 100%);
  --grad-hero-glow: radial-gradient(60% 60% at 50% 0%, rgba(56, 189, 248, .22), transparent 70%),
                    radial-gradient(40% 50% at 85% 10%, rgba(129, 140, 248, .18), transparent 70%);
  --focus: #087EA4;                 /* viền focus bàn phím */
  --shadow-btn: 0 1px 2px rgba(15, 23, 42, .08);
  --shadow-btn-hover: 0 8px 18px -8px rgba(8, 126, 164, .55);
  --dur: 180ms;
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  /* Thanh công cụ trình soạn thảo (Quill) — dùng chung cho trang soạn ghi chú & Cài đặt */
  --tb-bg: #FFFFFF;  --tb-border: #DCEAF2; --tb-icon: #334155; --tb-icon-hover: #075985;
  --tb-hover: #E0F2FE; --tb-active: #BAE6FD; --tb-icon-active: #075985;
  --tb-menu-bg: #FFFFFF; --tb-menu-text: #0F172A; --tb-menu-hover: #E0F2FE; --tb-scroll: #B6CFDD;

  --r-sm: 8px; --r: 10px; --r-lg: 14px; --r-xl: 18px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);

  --sb-w: 248px; --sb-w-mini: 72px; --topbar-h: 60px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  /* tối: nền xanh than, vẫn giữ xanh nước biển + xanh lá làm điểm nhấn */
  --bg: #0A1120;
  --sidebar: #070D19;
  --surface: #101A2D;
  --surface-2: #15223A;
  --surface-3: #1C2C48;
  --border: #22314D;
  --border-strong: #30436A;
  --text: #E8F2F8;
  --text-2: #BCCFDC;
  --muted: #8BA3B5;
  --muted-on-bg: #8BA3B5;

  --accent: #087EA4;       /* nút: chữ trắng đạt 4.6:1 */
  --accent-hover: #38B6E0;
  --accent-text: #4CC0E8;
  --accent-press: #075985;
  --accent-soft: rgba(56, 182, 224, .13);
  --star: #FBBF24;

  --stat: #22C55E;
  --stat-strong: #4ADE80;
  --stat-soft: rgba(34, 197, 94, .1);
  --stat-border: rgba(74, 222, 128, .25);

  --ok: #22C55E;   --ok-soft: rgba(34, 197, 94, .12); --ok-text: #4ADE80;
  --danger: #F87171; --danger-soft: rgba(248, 113, 113, .12);
  --warn: #FBBF24; --warn-text: #FBBF24; --warn-soft: rgba(251, 191, 36, .12);
  --info: #4CC0E8; --info-soft: rgba(76, 192, 232, .1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 1px 2px rgba(0, 0, 0, .25), 0 8px 24px -10px rgba(0, 0, 0, .5);
  --shadow-lg: 0 24px 60px -16px rgba(0, 0, 0, .6);
  --ring: 0 0 0 3px rgba(56, 182, 224, .35);
  --accent-glow: rgba(12, 141, 184, .55);
  --accent-tint: rgba(56, 189, 248, .12);
  --accent-strong: #7DD3FC;
  --ok-strong: #15803D;
  --grad-text: linear-gradient(100deg, #38BDF8 0%, #7DD3FC 40%, #A5B4FC 100%);
  --grad-hero-glow: radial-gradient(60% 60% at 50% 0%, rgba(56, 189, 248, .16), transparent 70%),
                    radial-gradient(40% 50% at 85% 10%, rgba(129, 140, 248, .2), transparent 70%);
  --focus: #38BDF8;
  --shadow-btn: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow-btn-hover: 0 8px 22px -8px rgba(56, 189, 248, .45);
  --tb-bg: #172033;  --tb-border: #334155; --tb-icon: #E2E8F0; --tb-icon-hover: #FFFFFF;
  --tb-hover: #243B53; --tb-active: #075985; --tb-icon-active: #FFFFFF;
  --tb-menu-bg: #172033; --tb-menu-text: #E2E8F0; --tb-menu-hover: #243B53; --tb-scroll: #3B4F6E;
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
[id] { scroll-margin-top: 84px; }
html, body { margin: 0; }
body {
  min-height: 100vh; background: var(--bg); color: var(--text);
  font: 400 15px/1.6 var(--font); font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -.015em; color: var(--text); }
p { margin: 0 0 12px; }
a { color: var(--accent-text); text-decoration: none; transition: color .15s; }
input, textarea, button, select { font: inherit; color: inherit; }
code, pre, .mono { font-family: var(--mono); }
code { font-size: .88em; }
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }
/* focus bàn phím: viền rõ (thay cho outline mặc định, không xoá mà không có thay thế) */
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
main { padding: 32px 0 56px; }
.muted { color: var(--muted); }
.c-red { color: var(--danger); }
.c-ok { color: var(--ok); }
.c-amber { color: var(--warn-text); }
.c-accent { color: var(--accent-text); }
.right { text-align: right; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--accent); color: var(--on-accent); padding: 8px 14px; border-radius: var(--r); }
.skip-link:focus { top: 12px; color: var(--on-accent); }

/* ---------- Icons ---------- */
.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic.sm { width: 16px; height: 16px; }
.ic.accent { color: var(--accent-text); }
.ic.red { color: var(--danger); }

/* ---------- Buttons: MỘT hệ thống cho toàn site ----------
   .btn                 secondary (mặc định): nền xanh rất nhạt, viền xanh biển, chữ xanh đậm
   .btn.primary         hành động chính: gradient xanh biển → xanh dương → chạm tím nhẹ, chữ trắng
   .btn.ghost           không viền; hover hiện nền xanh nhạt
   .btn.success         xác nhận / thành công (xanh lá)
   .btn.danger          xoá / nguy hiểm (đỏ — hover chỉ đậm đỏ, không chuyển xanh)
   .btn.sm / .lg / .block, :disabled, [aria-disabled], .is-loading
   Hover chỉ bật trên thiết bị có chuột; nhấn (:active) và focus bàn phím áp dụng cho mọi thiết bị — xem
   "Lớp tương tác" cuối file. */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; position: relative; isolation: isolate;
  height: 40px; padding: 0 16px; border-radius: var(--r); border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background-color: color-mix(in srgb, var(--accent-tint) 55%, var(--surface)); color: var(--accent-strong);
  font-weight: 600; font-size: 14px; line-height: 1; cursor: pointer; white-space: nowrap; text-decoration: none;
  box-shadow: var(--shadow-btn); user-select: none;
}
.btn.primary { background-image: var(--grad-primary); background-color: var(--accent); border-color: transparent; color: #fff;
  box-shadow: 0 1px 2px rgba(8, 89, 133, .25), inset 0 1px 0 rgba(255, 255, 255, .14); }
/* lớp phủ gradient sáng hơn cho hover (gradient không transition được trực tiếp) */
.btn.primary::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; z-index: -1;
  background-image: var(--grad-primary-hover); opacity: 0; transition: opacity var(--dur) var(--ease-out); }
.btn.ghost { background-color: transparent; border-color: transparent; box-shadow: none; color: var(--text-2); }
.btn.success { background-color: var(--ok-strong); border-color: var(--ok-strong); color: #fff; }
.btn.danger { background-color: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); color: var(--danger); }
.btn.sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: var(--r-sm); gap: 6px; }
.btn.lg { height: 48px; padding: 0 22px; font-size: 15px; border-radius: 12px; }
.btn.block { width: 100%; }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: .48; cursor: not-allowed; box-shadow: none; transform: none; filter: saturate(.6);
}
/* trạng thái đang gửi */
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading > * { visibility: hidden; }
.btn.is-loading::after {
  content: ""; position: absolute; inset: 0; margin: auto; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--accent-strong); border-right-color: transparent; border-left-color: transparent; animation: spin .7s linear infinite;
}
.btn.primary.is-loading::after, .btn.success.is-loading::after { border-color: #fff transparent #fff transparent; }
@keyframes spin { to { transform: rotate(360deg); } }
.link-btn { border: 0; background: none; cursor: pointer; padding: 4px 2px; border-radius: 6px; font-weight: 600; font-size: 14px;
  display: inline-flex; gap: 6px; align-items: center; color: var(--accent-text); text-underline-offset: 3px; }
.link-btn.red { color: var(--danger); }
/* nút chỉ có icon: nền trung tính, vùng bấm đủ lớn */
.icon-btn {
  width: 40px; height: 40px; border-radius: var(--r); border: 1px solid var(--border); background-color: var(--surface);
  color: var(--text-2); display: inline-grid; place-items: center; cursor: pointer; flex: none;
}
.icon-btn.plain { border-color: transparent; background-color: transparent; }

/* ---------- Forms ---------- */
label, .cap { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin: 18px 0 7px; }
.cap { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.input, textarea.input, select.input {
  width: 100%; min-height: 42px; padding: 10px 13px; border-radius: var(--r); border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--text); outline: none; font-size: 14.5px;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
textarea.input { resize: vertical; line-height: 1.55; }
.input::placeholder { color: color-mix(in srgb, var(--muted) 80%, transparent); }
.input:focus { border-color: var(--accent); box-shadow: var(--ring); }
.input[readonly] { background: var(--surface-2); }
.hint { font-size: 12.5px; color: var(--muted); margin: 7px 0 0; }
.field-row { display: flex; gap: 10px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; }
.radio-row { display: flex; gap: 22px; flex-wrap: wrap; }
.radio-row label, .check-row { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-size: 14.5px; color: var(--text); margin: 0; font-weight: 500; }
.radio-row input, .check-row input, table input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; cursor: pointer; }
.check-row { margin-top: 22px; }

/* switch */
.switch {
  appearance: none; -webkit-appearance: none; width: 42px; height: 24px; border-radius: 999px; flex: none; margin: 0;
  background: var(--surface-3); border: 1px solid var(--border-strong); position: relative; cursor: pointer; transition: background .2s, border-color .2s;
}
.switch::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, .35); transition: transform .2s var(--ease);
}
.switch:checked { background: var(--accent); border-color: var(--accent); }
.switch.red:checked { background: var(--danger); border-color: var(--danger); }
.switch:checked::after { transform: translateX(18px); }
.switch-row { display: flex; gap: 14px; align-items: flex-start; cursor: pointer; margin: 0; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface-2); color: var(--text); font-weight: 500; transition: border-color .15s; }
.switch-row > span { display: grid; gap: 3px; }
.switch-title { font-weight: 600; font-size: 14.5px; line-height: 1.4; }
.switch-row .hint { margin: 0; }
.danger-box { border-color: color-mix(in srgb, var(--danger) 30%, var(--border)); background: var(--danger-soft); }

/* ---------- Surfaces ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); padding: 24px; }
.panel { padding: 0; margin-bottom: 24px; overflow: hidden; }
.panel-head {
  margin: 0; padding: 16px 24px; font-size: 15px; font-weight: 650; display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border); letter-spacing: -.005em;
}
.panel-head .ic { color: var(--accent-text); }
.panel-head { flex-wrap: wrap; }
.head-sub { font-weight: 400; font-size: 13.5px; color: var(--muted); }
.head-sub::before { content: "·"; margin-right: 8px; }
@media (max-width: 560px) { .head-sub { flex-basis: 100%; } .head-sub::before { content: none; } }
.panel-body { padding: 6px 24px 24px; }
.panel-foot { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; background: var(--surface-2); }
.subtle-box { border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; background: var(--surface-2); }

/* ---------- Page header ---------- */
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.page-header h1 { margin: 0; font-size: 26px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.page-header h1 .ic { width: 24px; height: 24px; color: var(--accent-text); }
.page-header p { margin: 6px 0 0; color: var(--muted-on-bg); font-size: 14.5px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.page-header .link-btn { margin-bottom: 8px; font-size: 13.5px; }
.eyebrow { font-size: 12px; font-weight: 600; color: var(--accent-text); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; display: block; }

/* ---------- Flash / alerts / toast ---------- */
.flashes { display: grid; gap: 10px; margin-bottom: 24px; }
.flash {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px 12px 16px; border-radius: var(--r);
  border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); font-size: 14px;
  animation: slide-in .25s var(--ease); overflow-wrap: anywhere;
}
.flash .ic { margin-top: 2px; }
.flash.ok { border-color: color-mix(in srgb, var(--ok) 35%, var(--border)); }
.flash.ok .ic { color: var(--ok); }
.flash.error { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: var(--danger-soft); }
.flash.error .ic { color: var(--danger); }
.flash-msg { flex: 1; }
.flash-close { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 2px; border-radius: 6px; display: grid; }
@keyframes slide-in { from { opacity: 0; transform: translateY(-4px); } }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 80;
  background: var(--text); color: var(--bg); box-shadow: var(--shadow-lg); font-weight: 500; font-size: 14px;
  padding: 11px 18px; border-radius: var(--r); max-width: calc(100% - 32px); animation: toast-in .25s var(--ease);
}
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

/* ---------- Empty / loading ---------- */
.empty { text-align: center; color: var(--muted); padding: 40px 16px; font-size: 14px; }
.empty-state { text-align: center; padding: 56px 20px; }
.empty-state .empty-ic {
  width: 52px; height: 52px; border-radius: 14px; margin: 0 auto 16px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-text);
}
.empty-state .empty-ic .ic { width: 24px; height: 24px; }
.empty-state h3 { margin: 0 0 6px; font-size: 17px; }
.empty-state p { color: var(--muted); margin: 0 auto 20px; max-width: 380px; font-size: 14px; }
.spinner { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border-strong); border-top-color: var(--accent); animation: spin .7s linear infinite; }
.chip { color: var(--accent-text); background: var(--accent-soft); padding: 2px 7px; border-radius: 6px; font-size: 12.5px; font-family: var(--mono); white-space: nowrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); }

/* ==========================================================================
   Layout: public navbar
   ========================================================================== */
.nav { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid var(--border); }
.nav .container { display: flex; align-items: center; gap: 12px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 750; font-size: 18px; color: var(--text); letter-spacing: -.02em; }
.logo-ic { color: var(--accent); flex: none; }
.logo-text span { color: var(--accent); }
.logo-text { min-width: 0; line-height: 1.2; overflow-wrap: anywhere; }   /* tên web hiển thị nguyên văn: dài thì xuống dòng, không cắt */
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 12px; border-radius: var(--r-sm); color: var(--text-2); font-weight: 500; font-size: 14.5px; }
.nav-links a.cta { background-image: var(--grad-primary); background-color: var(--accent); color: #fff; font-weight: 600; margin-left: 6px; box-shadow: 0 4px 12px -6px var(--accent-glow); }
.nav-links a[aria-current] { color: var(--accent-strong); background-color: var(--accent-tint); }
.menu-btn { display: none; }
@media (max-width: 880px) {
  .menu-btn { display: inline-grid; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 10px 16px 16px; background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; min-height: 44px; display: flex; align-items: center; }
  .nav-links a.cta { margin: 8px 0 0; justify-content: center; }
  .nav-links.open { animation: pop-in var(--dur) var(--ease-out); }
  .nav .theme-btn { margin-left: auto; }
}

/* ==========================================================================
   Layout: app shell (sidebar + topbar)
   ========================================================================== */
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--sb-w); z-index: 50; overflow: hidden auto;
  background: var(--sidebar);   /* không kẻ dọc ở đây: đường phân cách nằm bên nội dung, bắt đầu DƯỚI thanh trên */
  display: flex; flex-direction: column; padding: 0 12px 16px; transition: width .22s var(--ease), transform .22s var(--ease);
}
/* đầu sidebar = phần trái của thanh trên: cùng nền, cùng đường kẻ dưới → một dải liền, không vạch dọc chia đôi */
.sb-top {
  display: flex; align-items: center; gap: 8px; height: var(--topbar-h); flex: none; margin: 0 -12px; padding: 0 14px;
  background: var(--bg); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 2;
}
.sb-toggle { width: 38px; height: 38px; border-radius: var(--r-sm); border: 0; background: none; color: var(--muted); display: grid; place-items: center; cursor: pointer; flex: none; transition: background .15s, color .15s; }
.sidebar .logo { font-size: 17px; min-width: 0; }
.sb-new { margin: 10px 0 18px; justify-content: center; overflow: hidden; }
.sb-label { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 14px 12px 6px; white-space: nowrap; }
.sb-count { margin-left: auto; font-size: 11.5px; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; padding: 1px 7px; border-radius: 999px; background: color-mix(in srgb, var(--surface) 70%, transparent); }
.sb-item.active .sb-count { color: var(--accent-text); background: transparent; }
:root[data-sb="collapsed"] .sb-count { display: none; }
.sb-nav { display: grid; gap: 2px; }
.sb-item {
  position: relative; display: flex; align-items: center; gap: 12px; height: 40px; padding: 0 12px; border-radius: var(--r-sm);
  color: var(--text-2); font-weight: 500; font-size: 14.5px; white-space: nowrap; overflow: hidden; transition: background .15s, color .15s;
}
.sb-item .ic { width: 19px; height: 19px; color: var(--muted); transition: color .15s; }
.sb-item.active { background: var(--accent-soft); color: var(--text); font-weight: 600; }
.sb-item.active .ic { color: var(--accent-text); }
.sb-item.active::before { content: ""; position: absolute; left: -12px; top: 9px; bottom: 9px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }
.sb-foot { margin-top: auto; padding: 12px; border-radius: var(--r); background: var(--surface-2); border: 1px solid var(--border); font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; }
.sb-foot b { color: var(--text); font-size: 13px; }
.sb-meter { height: 5px; border-radius: 99px; background: var(--surface-3); margin-top: 8px; overflow: hidden; }
.sb-meter span { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.app-main { margin-left: var(--sb-w); min-height: 100vh; display: flex; flex-direction: column; transition: margin-left .22s var(--ease); }
.app-main main { flex: 1; }
.app-main > main, .app-main > .site-footer { border-left: 1px solid color-mix(in srgb, var(--border) 60%, transparent); }
.topbar {
  position: sticky; top: 0; z-index: 30; height: var(--topbar-h); display: flex; align-items: center; gap: 12px; padding: 0 24px;
  background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
  transition: padding-left .22s var(--ease);
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.tb-user { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 14px; padding-left: 4px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-text); display: grid; place-items: center; font-weight: 700; font-size: 13px; text-transform: uppercase; }
.sb-open { display: none; }
.sb-backdrop { display: none; }

/* thu gọn: chỉ còn icon */
:root[data-sb="collapsed"] .sidebar { width: var(--sb-w-mini); }
:root[data-sb="collapsed"] .app-main { margin-left: var(--sb-w-mini); }
:root[data-sb="collapsed"] .sb-text,
:root[data-sb="collapsed"] .sb-label,
:root[data-sb="collapsed"] .sb-foot { display: none; }
:root[data-sb="collapsed"] .sb-new { padding: 0; }
:root[data-sb="collapsed"] .sb-item { justify-content: center; padding: 0; }

/* Máy tính: cụm ☰ + logo ĐỨNG YÊN ở góc trái thanh trên — thu gọn / mở rộng chỉ co giãn menu bên dưới.
   Khi thu gọn, cụm này phủ lên đầu thanh trên (cùng nền, cùng đường kẻ) nên thanh trên chừa chỗ tương ứng. */
@media (min-width: 901px) {
  .sidebar { padding-top: var(--topbar-h); }
  .sb-top { position: fixed; top: 0; left: 0; width: var(--sb-w); margin: 0; z-index: 55; }
  :root[data-sb="collapsed"] .topbar { padding-left: calc(var(--sb-w) - var(--sb-w-mini) + 24px); }
}

/* màn hình hẹp: sidebar là ngăn kéo */
@media (max-width: 900px) {
  .sidebar, :root[data-sb="collapsed"] .sidebar { width: 272px; transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .app-main, :root[data-sb="collapsed"] .app-main { margin-left: 0; }
  :root[data-sb="collapsed"] .sb-text { display: inline; }
  :root[data-sb="collapsed"] .sb-label, :root[data-sb="collapsed"] .sb-foot { display: block; }
  :root[data-sb="collapsed"] .sb-item { justify-content: flex-start; padding: 0 12px; }
  .app-main > main, .app-main > .site-footer { border-left: 0; }
  :root[data-sb="collapsed"] .sb-new { padding: 0 16px; }
  .sb-drawer-open .sidebar { transform: none !important; }
  .sb-drawer-open .sb-backdrop { display: block; position: fixed; inset: 0; z-index: 45; background: rgba(5, 8, 15, .5); animation: fade .2s; }
  .sb-open { display: inline-grid; }
  .topbar { padding: 0 16px; }
  .tb-name { display: none; }
}
@keyframes fade { from { opacity: 0; } }

/* ---------- Footer ---------- */
footer { color: var(--muted); font-size: 13px; }
.site-footer { border-top: 1px solid var(--border); padding: 20px 0; }
.site-footer .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.footer-links a { padding: 6px 0; }

/* ==========================================================================
   Home (trang giới thiệu)
   ========================================================================== */
.landing { padding-bottom: 24px; }
/* quầng sáng hero tràn ra 2 bên → cắt ở <main> (clip không tạo vùng cuộn, không phá sticky) */
main#content { overflow-x: clip; }
.landing section { scroll-margin-top: 84px; }
/* nền hero: 2 quầng sáng xanh trời + tím nhẹ, không ảnh hưởng bố cục */
.hero-wrap { position: relative; isolation: isolate; }
.hero-wrap::before { content: ""; position: absolute; z-index: -1; inset: -64px -50vw 0; background: var(--grad-hero-glow); pointer-events: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; padding: 48px 0 64px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px 5px 6px; border-radius: 999px; font-weight: 500; font-size: 13px;
  color: var(--text-2); background: color-mix(in srgb, var(--surface) 85%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); box-shadow: var(--shadow-sm); }
.pill b { background-image: var(--grad-primary); color: #fff; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 650; letter-spacing: .02em; }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); margin: 22px 0 18px; font-weight: 780; letter-spacing: -.04em; line-height: 1.06; text-wrap: balance; }
.grad-text { background-image: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.hero-lead { color: var(--text-2); font-size: 17.5px; line-height: 1.65; max-width: 540px; margin: 0 0 30px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-proof { display: flex; gap: 10px 22px; flex-wrap: wrap; margin: 28px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 13.5px; }
.hero-proof li { display: inline-flex; align-items: center; gap: 7px; }
.hero-proof .ic { color: var(--ok); width: 16px; height: 16px; }
/* mô phỏng sản phẩm (minh hoạ, không bấm được) */
.mock { position: relative; margin: 0; }
.mock::before { content: ""; position: absolute; inset: 12% -4% -6% 6%; z-index: -1; border-radius: 32px; background-image: var(--grad-primary); opacity: .18; filter: blur(40px); }
.mock-window { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-lg); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.mock-bar span { margin-left: 10px; font: 12px var(--mono); color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-body { padding: 20px; display: grid; gap: 14px; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.mock-kpi { border: 1px solid var(--border); border-radius: var(--r); padding: 12px; min-width: 0; }
.mock-kpi b { display: block; font-size: 20px; letter-spacing: -.02em; color: var(--ok-text); font-variant-numeric: tabular-nums; }
.mock-kpi small { color: var(--muted); font-size: 12px; }
.mock-chart { border: 1px solid var(--border); border-radius: var(--r); padding: 14px 14px 8px; }
.mock-chart svg { display: block; width: 100%; height: 110px; }
.mock-row { display: flex; align-items: center; gap: 10px; font-size: 13px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--r); min-width: 0; }
.mock-row .mono { color: var(--accent-text); font-size: 12px; }
.mock-row .badge { margin-left: auto; background: var(--ok-soft); color: var(--ok-text); white-space: nowrap; }
.mock figcaption { text-align: center; color: var(--muted); font-size: 12px; margin-top: 10px; }

/* dải số liệu thật */
.stat-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0 0 88px; }
.stat-item { padding: 20px 22px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); min-width: 0; }
.stat-item b { display: block; font-size: clamp(24px, 3vw, 32px); font-weight: 760; letter-spacing: -.03em; line-height: 1.15; color: var(--accent-text); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stat-item.good b { color: var(--ok-text); }
.stat-item span { color: var(--muted); font-size: 13.5px; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 36px; }
.landing .eyebrow { display: inline-block; font-size: 12.5px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 10px; }
.section-head h2 { font-size: clamp(24px, 3.2vw, 34px); margin: 0 0 10px; font-weight: 740; letter-spacing: -.025em; text-wrap: balance; }
.section-head p { color: var(--muted); margin: 0; }
.landing-sec { margin-bottom: 96px; }

/* thẻ tính năng: tĩnh (không phải liên kết) */
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; min-width: 0; }
.feature-card .icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--violet) 16%, transparent)); color: var(--accent-text); }
.feature-card:nth-child(4n+2) .icon, .feature-card:nth-child(4n+3) .icon { color: color-mix(in srgb, var(--accent-text) 55%, var(--violet)); }
.feature-card h3 { margin: 0 0 8px; font-size: 16px; font-weight: 660; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.6; }

/* lợi ích */
.benefits { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.benefit { padding: 28px; border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); }
.benefit h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 16px; font-size: 18px; font-weight: 700; }
.benefit h3 .ic { color: var(--accent-text); }
.benefit ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.benefit li { display: flex; gap: 10px; color: var(--text-2); font-size: 14.5px; line-height: 1.55; }
.benefit li .ic { flex: none; width: 18px; height: 18px; margin-top: 2px; color: var(--ok); }

/* cách dùng: 3 bước (khác .steps của trang 2FA) */
.how-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; counter-reset: step; }
.how-step { position: relative; padding: 26px 24px; border-radius: var(--r-lg); border: 1px dashed color-mix(in srgb, var(--accent) 35%, var(--border)); background: color-mix(in srgb, var(--accent-tint) 35%, var(--surface)); }
.how-step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background-image: var(--grad-primary); color: #fff; font-weight: 700; margin-bottom: 14px; box-shadow: 0 6px 16px -8px var(--accent-glow); }
.how-step h3 { margin: 0 0 6px; font-size: 16px; font-weight: 660; }
.how-step p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* CTA cuối trang */
.cta-band { position: relative; overflow: hidden; isolation: isolate; padding: 48px 40px; border-radius: 24px; text-align: center;
  background: var(--surface); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); box-shadow: var(--shadow); }
.cta-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--grad-hero-glow); }
.cta-band h2 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 30px); font-weight: 750; letter-spacing: -.02em; }
.cta-band p { margin: 0 auto 24px; color: var(--muted); max-width: 520px; }
.cta-band .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 1080px) { .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 24px; }
  .stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 72px; }
  .benefits, .how-steps { grid-template-columns: 1fr; }
  .landing-sec { margin-bottom: 72px; }
}
@media (max-width: 600px) {
  .hero { padding-bottom: 40px; }
  .hero-lead { font-size: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card, .benefit { padding: 20px; }
  .stat-item { padding: 16px; }
  .cta-band { padding: 32px 18px; }
  .hero .cta .btn, .cta-band .cta .btn { flex: 1 1 100%; }
  .mock-body { padding: 14px; }
  .mock-kpi { padding: 10px 8px; }
  .mock-kpi b { font-size: 16px; }
}

/* ==========================================================================
   Auth / error
   ========================================================================== */
.auth-wrap { min-height: calc(100vh - 64px - 150px); display: grid; place-items: center; }
.auth { width: 100%; max-width: 420px; padding: 32px; box-shadow: var(--shadow); }
.auth h1 { margin: 0 0 6px; font-size: 24px; font-weight: 720; }
.auth .sub { color: var(--muted); margin: 0 0 6px; font-size: 14.5px; }
.auth .btn.block { margin-top: 26px; height: 44px; }
.auth .alt { text-align: center; margin-top: 20px; color: var(--muted); font-size: 14px; }
.error-card { text-align: center; }
.error-code { font-size: 64px; font-weight: 800; letter-spacing: -.05em; color: var(--accent-text); margin: 0; line-height: 1; }
.error-card p { color: var(--muted); margin: 12px 0 24px; }

/* ==========================================================================
   Dashboard
   ========================================================================== */
.slug { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.ic.xs { width: 13px; height: 13px; }
.dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border-strong); flex: none; }
.stat-meter { height: 4px; border-radius: 99px; background: var(--surface-3); margin-top: 12px; overflow: hidden; }
.stat-meter span { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.sb-count.err { background: var(--danger); color: #fff; }

/* nút icon nhỏ (thanh công cụ trình soạn thảo) */
.act {
  width: 32px; height: 32px; border-radius: var(--r-sm); border: 0; background: none; color: var(--muted);
  display: inline-grid; place-items: center; cursor: pointer; transition: background .15s, color .15s;
}
.act .ic { width: 17px; height: 17px; }

/* ---------- Bảng ghi chú ---------- */
.data-card { padding: 0; overflow: hidden; }
.data-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: transparent; color: var(--text-2); font-size: 13.5px; font-weight: 550;
  transition: background .15s, color .15s, border-color .15s;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab .ic { width: 15px; height: 15px; }
.tab-badge { min-width: 20px; height: 18px; padding: 0 6px; border-radius: 999px; background: var(--danger); color: #fff; font-size: 11px; font-weight: 700; display: inline-grid; place-items: center; }
.tab-count { font-size: 12px; color: var(--muted); font-weight: 600; }
.tab.active .tab-count { color: rgba(255, 255, 255, .8); }
.table-search { position: relative; flex: 1; min-width: 200px; max-width: 340px; display: flex; align-items: center; }
.table-search > .ic { position: absolute; left: 11px; color: var(--muted); pointer-events: none; }
.table-search input {
  width: 100%; height: 34px; padding: 0 32px 0 34px; border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13.5px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.table-search input::placeholder { color: var(--muted); }
.table-search input:focus { border-color: var(--accent); box-shadow: var(--ring); }
.table-search input::-webkit-search-cancel-button { display: none; }
.search-clear { position: absolute; right: 8px; color: var(--muted); display: grid; padding: 3px; border-radius: 5px; }
select.sort-select { width: auto; min-height: 34px; height: 34px; padding: 0 30px 0 10px; font-size: 13.5px; border-color: var(--border); }
.data-total { margin-left: auto; font-size: 13.5px; color: var(--muted); white-space: nowrap; }

.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  text-align: left; padding: 12px 18px; font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); background: var(--surface-2); border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table td { padding: 14px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr { transition: background .12s; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table .c-id { width: 120px; }
.data-table .c-num { width: 100px; text-align: center; font-weight: 650; font-variant-numeric: tabular-nums; }
.data-table .c-status { width: 120px; text-align: center; }
.data-table .c-date { width: 150px; color: var(--text-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.data-table .c-act { width: 140px; text-align: right; }
.id-badge {
  display: inline-block; font: 600 12px var(--mono); letter-spacing: .02em; color: var(--accent-text);
  padding: 4px 8px; border-radius: 6px; border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); background: var(--accent-soft);
}
.row-title { color: var(--text); font-weight: 600; overflow-wrap: anywhere; }
.row-error { margin-top: 4px; font-size: 12.5px; color: var(--danger); overflow-wrap: anywhere; }
.status { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 650; white-space: nowrap; }
.s-ok { background: var(--ok-soft); color: var(--stat-strong); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ok) 35%, transparent); }
.s-private { gap: 4px; margin-left: 4px; background: color-mix(in srgb, var(--violet) 14%, transparent); color: var(--text-2);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--violet) 40%, transparent); }
.s-private .ic { width: 12px; height: 12px; }
/* ô Công khai / Riêng tư dưới vùng soạn thảo */
.vis-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 14px; padding: 12px 56px; border-top: 1px solid var(--tb-border); }
.vis-check { display: inline-flex; align-items: center; gap: 10px; min-height: 40px; font-weight: 550; font-size: 14.5px; cursor: pointer; }
.vis-check input { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.vis-hint { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.vis-hint:empty { display: none; }
@media (max-width: 720px) { .vis-bar { padding: 8px 16px; } }
.pv-private { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px; padding: 2px 8px; border-radius: 999px; font-size: 12px;
  color: var(--text-2); background: color-mix(in srgb, var(--violet) 14%, transparent); }
.pv-private[hidden] { display: none; }
/* trang xem: nhắc chủ ghi chú rằng ghi chú đang riêng tư */
.private-banner { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 18px; padding: 10px 14px; border-radius: var(--r);
  font-size: 13.5px; color: var(--text-2); background: color-mix(in srgb, var(--violet) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--violet) 35%, var(--border)); }
.private-banner .ic { flex: none; margin-top: 2px; color: var(--violet); }
.s-error { background: var(--danger-soft); color: var(--danger); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--danger) 40%, transparent); }
.s-trash { background: var(--surface-3); color: var(--muted); }
.row-actions { display: inline-flex; gap: 6px; justify-content: flex-end; }
.sq {
  position: relative; width: 32px; height: 32px; border-radius: var(--r-sm); display: inline-grid; place-items: center; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2); transition: background .15s, color .15s, border-color .15s;
}
.sq .ic { width: 16px; height: 16px; }
.sq.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--border)); }
.sq.is-loading { color: transparent; pointer-events: none; }
.sq.is-loading::after { content: ""; position: absolute; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--muted); border-top-color: transparent; animation: spin .7s linear infinite; }

/* phân trang */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 18px; border-top: 1px solid var(--border); font-size: 13.5px; color: var(--muted); }
.pager-info { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pager-info b { color: var(--text); }
select.per-select { width: auto; min-height: 30px; height: 30px; padding: 0 28px 0 10px; font-size: 13px; }
.pager-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.pg {
  display: inline-flex; align-items: center; gap: 4px; min-width: 32px; height: 32px; padding: 0 10px; justify-content: center;
  border-radius: var(--r-sm); border: 1px solid var(--border); color: var(--text-2); font-weight: 550; font-variant-numeric: tabular-nums;
  transition: background .15s, color .15s, border-color .15s;
}
.pg.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pg.disabled { opacity: .45; }
.pg-gap { padding: 0 4px; }
.flip { display: inline-flex; transform: scaleX(-1); }

/* ---------- Trạng thái trống ---------- */
.empty-art { position: relative; width: 96px; height: 84px; margin: 0 auto 22px; }
.empty-art .sheet { position: absolute; width: 60px; height: 72px; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--surface); }
.empty-art .s1 { left: 8px; top: 8px; transform: rotate(-8deg); opacity: .6; }
.empty-art .s2 { right: 8px; top: 4px; transform: rotate(6deg); }
.empty-art .empty-ic { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -40%); width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--accent); color: #fff; box-shadow: 0 8px 20px -6px var(--accent-glow); }
.empty-art .empty-ic .ic { width: 22px; height: 22px; }

/* ---------- Báo lỗi (trang công khai) ---------- */
.report-btn { margin-left: auto; color: var(--muted); }
.report-form { margin-top: 14px; padding: 16px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface-2); animation: slide-in .2s var(--ease); }
.report-form label { margin-top: 0; }
.report-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.chip-btn { height: 28px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-2); font-size: 12.5px; cursor: pointer; transition: border-color .15s, color .15s; }
.report-actions { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.report-actions .hint { margin: 0 auto 0 0; }

@media (max-width: 860px) {
  .data-total { margin-left: 0; }
  .table-search { max-width: none; order: 3; flex-basis: 100%; }
  /* bảng → danh sách thẻ */
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100% !important; }
  .data-table tr { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
  .data-table tbody tr:last-child { border-bottom: 0; }
  .data-table td { padding: 0; border: 0; text-align: left !important; }
  .data-table .c-id { grid-column: 1; }
  .data-table .c-status { grid-column: 2; grid-row: 1; text-align: right !important; }
  .data-table .c-title { grid-column: 1 / -1; }
  .data-table .c-num, .data-table .c-date { grid-column: 1 / -1; font-weight: 500; font-size: 12.5px; color: var(--muted); }
  .data-table .c-num::before, .data-table .c-date::before { content: attr(data-label) ": "; }
  .data-table .c-act { grid-column: 1 / -1; }
  .row-actions { justify-content: flex-start; margin-top: 4px; }
  .pager { justify-content: center; }
}

/* ==========================================================================
   Editor (Quill)
   ========================================================================== */
kbd { font: 600 11px var(--mono); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--border-strong); border-bottom-width: 2px; background: var(--surface); color: var(--text-2); }

/* Khung viết: rộng, không viền thừa, typography ưu tiên đọc/viết */
.editor-shell { max-width: 880px; margin: 0 auto; }
.editor-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; min-height: 36px; flex-wrap: wrap; }
.muted-link { color: var(--muted); font-weight: 500; font-size: 13.5px; }
.save-state { font-size: 12.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.save-state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.save-state.dirty::before { background: var(--warn); }
.editor-tools { margin-left: auto; display: flex; gap: 2px; padding: 3px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.editor-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); }
.title-input {
  display: block; width: 100%; resize: none; overflow: hidden; border: 0; outline: none; background: transparent; color: var(--text);
  font: 700 clamp(26px, 3.4vw, 34px)/1.25 var(--font); letter-spacing: -.025em; padding: 40px 56px 6px;
}
.title-input::placeholder { color: color-mix(in srgb, var(--muted) 60%, transparent); }
.doc-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 4px 56px 18px; font-size: 12.5px; color: var(--muted); }
.editor-card .ql-toolbar.ql-snow {
  border: 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 8px 48px;
  background: color-mix(in srgb, var(--tb-bg) 94%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-color: var(--tb-border); font-family: var(--font); position: sticky; top: var(--topbar-h); z-index: 5;
}
.editor-card .ql-container.ql-snow { border: 0; font-family: var(--font); font-size: 17px; }
.editor-card .ql-editor { min-height: 52vh; padding: 28px 56px 40px; line-height: 1.8; color: var(--text); }
.editor-card .ql-editor.ql-blank::before { color: var(--muted); font-style: normal; left: 56px; right: 56px; }
.editor-card .ql-editor h1 { font-size: 1.75em; } .editor-card .ql-editor h2 { font-size: 1.4em; } .editor-card .ql-editor h3 { font-size: 1.18em; }
.editor-card .ql-editor h1, .editor-card .ql-editor h2, .editor-card .ql-editor h3 { margin: 1.1em 0 .4em; letter-spacing: -.015em; }
.editor-card .ql-editor blockquote { border-left: 3px solid var(--accent); padding-left: 16px; color: var(--text-2); }
.editor-card .ql-editor a { color: var(--accent-text); }
.editor-actions { display: flex; gap: 10px; justify-content: flex-end; align-items: center; padding: 14px 20px 14px 56px; border-top: 1px solid var(--border); position: sticky; bottom: 0; z-index: 5; background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: 0 0 var(--r-xl) var(--r-xl); }
.editor-actions .kbd-hint { margin-right: auto; font-size: 12.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.notice { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--r); margin-bottom: 14px; font-size: 14px; border: 1px solid var(--border); background: var(--surface); flex-wrap: wrap; }
.notice > span { flex: 1; }
.notice.warn { border-color: color-mix(in srgb, var(--warn) 35%, var(--border)); background: var(--warn-soft); }
.notice.warn > .ic { color: var(--warn); }
@media (max-width: 720px) {
  .editor-tools { margin-left: 0; width: 100%; justify-content: space-between; }
  .title-input { padding: 26px 20px 4px; }
  .doc-meta { padding: 4px 20px 14px; }
  .editor-card .ql-toolbar.ql-snow { padding: 6px 12px; }
  .editor-card .ql-editor { padding: 20px 20px 32px; font-size: 16.5px; }
  .editor-card .ql-editor.ql-blank::before { left: 20px; right: 20px; }
  .editor-actions { padding: 12px 16px; }
  .editor-actions .kbd-hint { display: none; }
}
/* ---------- Theme cho Quill (snow) theo sáng/tối ----------
   quill.snow.css được nạp TRƯỚC file này; selector dưới đây ngang hoặc cao hơn của thư viện nên thắng
   mà không cần !important. Màu lấy từ token --tb-* (định nghĩa cho cả :root và [data-theme="dark"]). */
.ql-toolbar.ql-snow { color: var(--tb-icon); border-color: var(--tb-border); font-family: var(--font); }
.ql-toolbar.ql-snow .ql-formats { margin-right: 10px; }
/* icon SVG: nét + phần tô */
.ql-snow.ql-toolbar .ql-stroke, .ql-snow .ql-toolbar .ql-stroke { stroke: var(--tb-icon); }
.ql-snow.ql-toolbar .ql-fill, .ql-snow.ql-toolbar .ql-stroke.ql-fill { fill: var(--tb-icon); }
.ql-snow.ql-toolbar .ql-even { fill: var(--tb-icon); }
.ql-snow.ql-toolbar .ql-thin, .ql-snow.ql-toolbar .ql-stroke.ql-thin { stroke: var(--tb-icon); }

/* nút & nhãn menu: mặc định / hover / đang bật / focus / vô hiệu */
.ql-snow.ql-toolbar button, .ql-snow.ql-toolbar .ql-picker-label {
  border-radius: 6px; color: var(--tb-icon); background-color: transparent; border: 1px solid transparent;
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.ql-snow.ql-toolbar button { width: 30px; height: 30px; padding: 5px 6px; }
.ql-snow.ql-toolbar .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) .ql-picker-label { padding-left: 8px; }
.ql-snow.ql-toolbar .ql-picker { height: 30px; color: var(--tb-icon); }
.ql-snow.ql-toolbar .ql-picker-label { display: flex; align-items: center; }
@media (hover: hover) and (pointer: fine) {
  .ql-snow.ql-toolbar button:hover, .ql-snow.ql-toolbar .ql-picker-label:hover { background-color: var(--tb-hover); color: var(--tb-icon-hover); }
  .ql-snow.ql-toolbar button:hover .ql-stroke, .ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke { stroke: var(--tb-icon-hover); }
  .ql-snow.ql-toolbar button:hover .ql-fill, .ql-snow.ql-toolbar .ql-picker-label:hover .ql-fill,
  .ql-snow.ql-toolbar button:hover .ql-stroke.ql-fill { fill: var(--tb-icon-hover); }
}
.ql-snow.ql-toolbar button:active { transform: scale(.94); background-color: var(--tb-hover); }
/* đang bật (Bold, danh sách, căn lề…): nền xanh biển + icon đậm */
.ql-snow.ql-toolbar button.ql-active, .ql-snow.ql-toolbar .ql-picker-label.ql-active { background-color: var(--tb-active); color: var(--tb-icon-active); }
.ql-snow.ql-toolbar button.ql-active .ql-stroke, .ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke { stroke: var(--tb-icon-active); }
.ql-snow.ql-toolbar button.ql-active .ql-fill, .ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-fill,
.ql-snow.ql-toolbar button.ql-active .ql-stroke.ql-fill { fill: var(--tb-icon-active); }
/* nhãn chữ của menu (Normal, cỡ chữ) khi chưa chọn gì khác mặc định thì không tô nền đậm */
.ql-snow.ql-toolbar .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) .ql-picker-label.ql-active { background-color: transparent; color: var(--tb-icon); }
.ql-snow.ql-toolbar .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) .ql-picker-label.ql-active .ql-stroke { stroke: var(--tb-icon); }
.ql-snow.ql-toolbar button:focus-visible, .ql-snow.ql-toolbar .ql-picker-label:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.ql-snow.ql-toolbar button:disabled, .ql-snow.ql-toolbar button[aria-disabled="true"] { opacity: .4; cursor: not-allowed; background-color: transparent; transform: none; }

/* menu thả xuống (Normal / cỡ chữ / màu chữ / màu nền / căn lề) */
.ql-snow.ql-toolbar .ql-picker.ql-expanded .ql-picker-label { color: var(--tb-icon-hover); background-color: var(--tb-hover); border-color: var(--tb-border); }
.ql-snow.ql-toolbar .ql-picker.ql-expanded .ql-picker-label .ql-stroke { stroke: var(--tb-icon-hover); }
.ql-snow.ql-toolbar .ql-picker-options, .ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-options {
  background-color: var(--tb-menu-bg); color: var(--tb-menu-text); border: 1px solid var(--tb-border);
  border-radius: var(--r-sm); box-shadow: var(--shadow); padding: 4px; z-index: 20;
}
.ql-snow.ql-toolbar .ql-picker-item { color: var(--tb-menu-text); border-radius: 5px; padding: 3px 8px; }
.ql-snow.ql-toolbar .ql-picker-item:hover, .ql-snow.ql-toolbar .ql-picker-item:focus-visible { background-color: var(--tb-menu-hover); color: var(--tb-icon-hover); outline: none; }
.ql-snow.ql-toolbar .ql-picker-item.ql-selected { color: var(--tb-icon-active); background-color: var(--tb-active); }
.ql-snow.ql-toolbar .ql-picker-item .ql-stroke { stroke: var(--tb-menu-text); }
.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke, .ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke { stroke: var(--tb-icon-active); }
.ql-snow.ql-toolbar .ql-icon-picker .ql-picker-item { padding: 2px 4px; }
/* ô màu: viền để thấy được ô trắng trên nền sáng / ô đen trên nền tối */
.ql-snow.ql-toolbar .ql-color-picker .ql-picker-options { width: 172px; padding: 6px; }
.ql-snow.ql-toolbar .ql-color-picker .ql-picker-item { padding: 0; border: 1px solid color-mix(in srgb, var(--tb-icon) 30%, transparent); border-radius: 3px; }
.ql-snow.ql-toolbar .ql-color-picker .ql-picker-item:hover, .ql-snow.ql-toolbar .ql-color-picker .ql-picker-item.ql-selected { border-color: var(--tb-icon); box-shadow: 0 0 0 1px var(--focus); }

/* tooltip chèn / sửa link */
.ql-snow .ql-tooltip { background-color: var(--tb-menu-bg); color: var(--tb-menu-text); border: 1px solid var(--tb-border); box-shadow: var(--shadow); border-radius: var(--r-sm); z-index: 20; }
.ql-snow .ql-tooltip::before { color: var(--tb-menu-text); }
.ql-snow .ql-tooltip input[type=text] { background-color: var(--surface-2); color: var(--text); border: 1px solid var(--border-strong); border-radius: 6px; height: 30px; }
.ql-snow .ql-tooltip input[type=text]:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.ql-snow .ql-tooltip a.ql-preview { color: var(--accent-text); }
.ql-snow .ql-tooltip a.ql-action, .ql-snow .ql-tooltip a.ql-remove { color: var(--accent-text); font-weight: 600; }
.ql-snow .ql-tooltip a.ql-remove::before { color: var(--danger); }
.ql-snow .ql-tooltip.ql-editing a.ql-action::after { color: var(--accent-text); }

/* vùng soạn thảo: placeholder, link, code, trích dẫn, thanh cuộn */
.ql-snow .ql-editor { color: var(--text); }
.ql-editor.ql-blank::before { color: var(--muted); }
.ql-snow .ql-editor a { color: var(--accent-text); }
.ql-snow .ql-editor code, .ql-snow .ql-editor .ql-code-block-container, .ql-editor pre.ql-syntax {
  background-color: #0D1017; color: #E5E7EB; border: 1px solid var(--tb-border); border-radius: var(--r);
}
.ql-snow .ql-editor code { padding: 1px 5px; border-radius: 5px; font-size: .9em; }
.ql-toolbar.ql-snow, .ql-snow .ql-editor { scrollbar-color: var(--tb-scroll) transparent; scrollbar-width: thin; }
.ql-snow .ql-editor::-webkit-scrollbar { width: 10px; }
.ql-snow .ql-editor::-webkit-scrollbar-thumb { background: var(--tb-scroll); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }

/* ---------- Nút kêu gọi hành động trong ghi chú (static/cta.js) — editor + trang xem ----------
   Selector 3 lớp để thắng màu/gạch chân link chung của .ql-editor / .note-body. */
.ql-editor .ql-cta, .cta-preview .ql-cta { text-align: center; margin: 16px 0; }
.ql-editor .ql-cta .ql-cta-btn, .cta-preview .ql-cta .ql-cta-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; max-width: 100%;
  min-height: 48px; padding: 12px 28px; border-radius: 14px; border: 0;
  background-color: var(--accent); background-image: var(--grad-primary); color: #fff;
  font: 700 16px/1.35 var(--font); letter-spacing: .01em; text-decoration: none; text-align: center; overflow-wrap: anywhere;
  box-shadow: 0 10px 24px -12px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, .18);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), filter var(--dur) var(--ease-out);
  -webkit-tap-highlight-color: transparent; touch-action: manipulation; cursor: pointer;
}
.ql-editor .ql-cta .ql-cta-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.ql-editor .ql-cta .ql-cta-btn:active { transform: scale(.98); box-shadow: 0 4px 10px -6px var(--accent-glow); }
@media (hover: hover) and (pointer: fine) {
  .ql-editor .ql-cta .ql-cta-btn:hover { transform: translateY(-2px); filter: brightness(1.06) saturate(1.05); color: #fff;
    box-shadow: 0 16px 30px -12px var(--accent-glow), 0 0 0 1px rgba(56, 189, 248, .35); }
}
.ql-snow .ql-editor .ql-cta { cursor: default; outline: none; }   /* chỉ hiện nút — không khung/viền quanh khối */
.cta-preview .ql-cta { margin: 10px 0 0; pointer-events: none; }

/* đếm ngược trên trang công khai: nút "đang nạp" với thanh tiến trình chạy bên trong */
.ql-editor .ql-cta .ql-cta-btn.is-waiting { position: relative; overflow: hidden; isolation: isolate; cursor: progress;
  filter: saturate(.7) brightness(.95); box-shadow: 0 6px 16px -10px var(--accent-glow); }
.ql-editor .ql-cta .ql-cta-btn .cta-fill { position: absolute; inset: 0; z-index: -1; transform: scaleX(0); transform-origin: left;
  background: linear-gradient(90deg, rgba(255, 255, 255, .14), rgba(255, 255, 255, .32)); }
.ql-editor .ql-cta .ql-cta-btn:not(.is-waiting) .cta-fill { display: none; }
.ql-editor .ql-cta .ql-cta-btn .cta-label { position: relative; font-variant-numeric: tabular-nums; }
@media (hover: hover) and (pointer: fine) {
  .ql-editor .ql-cta .ql-cta-btn.is-waiting:hover { transform: none; filter: saturate(.7) brightness(.95); }
}
.ql-editor .ql-cta .ql-cta-btn.nudge { animation: cta-nudge .32s var(--ease-out); }
@keyframes cta-nudge { 25% { transform: translateX(-4px); } 50% { transform: translateX(4px); } 75% { transform: translateX(-2px); } }
.note-body .cta-wait-hint { margin: 10px 0 0; font-size: 13px; color: var(--muted); text-align: center; }
.note-body .cta-wait-hint.ready { color: var(--ok-text); font-weight: 600; }

/* trang chờ dự phòng (/c/…): bấm quá sớm, vé hết hạn hoặc trình duyệt tắt JavaScript */
.cta-wait { max-width: 480px; margin: 48px auto; padding: 32px 28px; text-align: center; }
.cta-wait h1 { margin: 14px 0 6px; font-size: 20px; }
.cta-wait .muted { margin: 0 0 22px; overflow-wrap: anywhere; }
.cta-wait-ic { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
  background: var(--accent-tint); color: var(--accent-text); }
.cta-wait-ic .ic { width: 26px; height: 26px; }
.cta-wait-bar { height: 10px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.cta-wait-bar span { display: block; height: 100%; width: 100%; transform-origin: left; background-image: var(--grad-primary);
  animation: cta-wait-fill linear forwards; }
@keyframes cta-wait-fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.cta-wait-count { margin: 14px 0 6px; color: var(--text-2); }

/* ô chọn số giây đếm ngược trong trình soạn thảo */
.delay-pick { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 550; color: var(--text-2); }
.delay-pick select.input { width: auto; height: 36px; padding: 0 30px 0 10px; font-size: 14px; }

/* thanh dưới vùng soạn thảo */
.cta-bar { display: flex; align-items: center; gap: 10px; padding: 10px 56px; border-top: 1px solid var(--tb-border); background: var(--tb-bg); }
.panel .editor-card .cta-bar { padding: 8px 12px; }
.cta-open .ic { color: var(--accent-text); }
@media (max-width: 720px) { .cta-bar { padding: 8px 16px; } }

/* hộp thoại Tạo nút */
.cta-dialog {
  width: min(440px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); padding: 0; margin: auto;
  border: 1px solid var(--border); border-radius: 18px; background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg);
}
.cta-dialog[open] { animation: pop-in 200ms var(--ease-out); }
.cta-dialog::backdrop { background: rgba(5, 10, 20, .55); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.cta-form { display: grid; gap: 6px; padding: 22px; }
.cta-form h2 { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 18px; font-weight: 720; }
.cta-form h2 .ic { width: 22px; height: 22px; color: var(--accent-text); }
.cta-form label { margin-top: 8px; font-size: 12px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.cta-form .input[aria-invalid="true"] { border-color: var(--danger); }
.cta-err { margin: 4px 0 0; color: var(--danger); font-size: 13px; }
.cta-preview { margin-top: 14px; padding: 14px 12px 18px; border-radius: 14px; text-align: center;
  border: 1px dashed color-mix(in srgb, var(--accent) 35%, var(--border)); background: color-mix(in srgb, var(--accent-tint) 40%, var(--surface)); }
.cta-cap { font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.cta-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.cta-actions .btn { height: 44px; }
.cta-actions [data-cta="delete"] { grid-column: 1 / -1; }

/* ---------- Xem trước ghi chú (trình soạn thảo) ---------- */
.preview-open .ic { color: var(--accent-text); }
.preview-dialog {
  width: min(880px, calc(100vw - 32px)); height: min(92dvh, 1000px); max-height: none; max-width: none;
  padding: 0; margin: auto; border: 1px solid var(--border); border-radius: 18px; overflow: hidden;
  background: var(--bg); color: var(--text); box-shadow: var(--shadow-lg);
}
.preview-dialog[open] { display: flex; flex-direction: column; animation: pop-in 200ms var(--ease-out); }
.preview-dialog::backdrop { background: rgba(5, 10, 20, .6); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.pv-bar { display: flex; align-items: center; gap: 10px; padding: 10px 12px 10px 18px; border-bottom: 1px solid var(--border); background: var(--surface); flex: none; }
.pv-tag { display: inline-flex; align-items: center; gap: 8px; margin-right: auto; font-weight: 650; font-size: 14px; color: var(--accent-text); }
.pv-scroll { flex: 1; overflow: auto; padding: 28px 24px 40px; overscroll-behavior: contain; }
.pv-scroll .note-view { max-width: 760px; margin: 0 auto; }
.pv-scroll .pv-empty { color: var(--muted); font-style: italic; }
.pv-scroll .aff { pointer-events: none; }
@media (max-width: 720px) {
  .preview-dialog { width: 100%; height: 100%; max-height: 100dvh; border-radius: 0; border: 0; }
  .pv-scroll { padding: 16px 12px 32px; }
  .pv-bar { padding-top: calc(10px + var(--safe-t, 0px)); }
  .pv-bar .pv-label, .preview-open .pv-label { display: none; }
  .preview-open { width: 44px; padding: 0; flex: none; }
}

/* ==========================================================================
   Note public page
   ========================================================================== */
.note-view { max-width: 780px; margin: 0 auto; padding: 40px 44px; }
.note-view h1 { margin: 0 0 12px; font-size: clamp(26px, 4vw, 34px); font-weight: 750; letter-spacing: -.03em; overflow-wrap: anywhere; }
.note-meta { color: var(--muted); font-size: 13.5px; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border); display: flex; gap: 18px; flex-wrap: wrap; }
.note-meta span { display: inline-flex; align-items: center; gap: 6px; }
.note-meta .ic { width: 15px; height: 15px; }
.note-body.ql-editor { padding: 0; height: auto; overflow: visible; font-family: var(--font); font-size: 16.5px; line-height: 1.75; color: var(--text); }
.note-body h1, .note-body h2, .note-body h3 { margin: 1.4em 0 .5em; }
.note-body a { overflow-wrap: anywhere; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.note-body li:not([data-list]) { list-style-type: inherit; }
.note-body blockquote { border-left: 3px solid var(--accent); margin: 1em 0; padding: 4px 0 4px 16px; color: var(--text-2); }
.note-body pre, .note-body pre.ql-syntax, .note-body .ql-code-block-container {
  background: #0d1017; color: #e5e7eb; padding: 16px 18px; border-radius: var(--r); overflow-x: auto;
  font-family: var(--mono); font-size: 13.5px; border: 1px solid var(--border);
}
.note-body img { max-width: 100%; border-radius: var(--r); }
.note-tools { display: flex; gap: 8px; margin-top: 32px; flex-wrap: wrap; }
.aff-banners { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.aff {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--r-lg); color: var(--text);
  border: 1px solid var(--border); background: var(--surface-2); transition: border-color .15s, transform .15s var(--ease);
}
.aff-ic { width: 40px; height: 40px; border-radius: var(--r); display: grid; place-items: center; font-size: 20px; flex: none; }
.aff.shopee .aff-ic { background: rgba(238, 77, 45, .14); }
.aff.tiktok .aff-ic { background: rgba(37, 244, 238, .12); }
.aff b { display: block; font-size: 14.5px; }
.aff small { color: var(--muted); font-size: 12.5px; }
.aff-go { margin-left: auto; font-weight: 600; font-size: 13px; white-space: nowrap; }
.aff.shopee .aff-go { color: #ee4d2d; }
.aff.tiktok .aff-go { color: var(--text-2); }
.signature.ql-editor { padding: 18px 0 0; margin-top: 28px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; height: auto; font-family: var(--font); }
@media (max-width: 640px) {
  .note-view { padding: 26px 20px; border-radius: var(--r-lg); }
  .aff-banners { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Stats
   ========================================================================== */
/* Thẻ thống kê: nền xanh lá nhạt, số liệu xanh lá đậm. Tự đổi số cột theo bề rộng (auto-fit). */
.section-title { display: flex; align-items: center; gap: 8px; margin: 8px 0 14px; font-size: 13px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--muted-on-bg); }
.section-title .ic { color: var(--stat); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi { background: var(--stat-soft); border: 1px solid var(--stat-border); border-radius: var(--r-lg); padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.kpi-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.kpi-lbl { font-size: 13px; color: var(--text-2); font-weight: 550; }
.kpi-ic { width: 32px; height: 32px; border-radius: var(--r-sm); display: grid; place-items: center; flex: none; background: color-mix(in srgb, var(--stat) 14%, transparent); color: var(--stat-strong); }
.kpi-ic .ic { width: 17px; height: 17px; }
.kpi-num { font-size: 28px; font-weight: 720; letter-spacing: -.025em; line-height: 1.1; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; color: var(--stat-strong); }
.kpi-sub { font-size: 12px; color: var(--muted); margin-top: -4px; }
/* chỉ số không "tích cực" → không tô xanh lá */
.kpi.tone-danger { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, var(--border)); }
.kpi.tone-danger .kpi-num, .kpi.tone-danger .kpi-ic { color: var(--danger); }
.kpi.tone-danger .kpi-ic { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.kpi.tone-muted { background: var(--surface); border-color: var(--border); }
.kpi.tone-muted .kpi-num { color: var(--text); }
.kpi.tone-muted .kpi-ic { color: var(--muted); background: var(--surface-2); }
.chart-wrap.sm { height: 220px; }
.range-bar { display: flex; gap: 4px; overflow-x: auto; padding: 4px; border-radius: var(--r); border: 1px solid var(--border); background: var(--surface); margin-bottom: 20px; scrollbar-width: none; }
.range-bar::-webkit-scrollbar { display: none; }
.range-bar button { flex: 1 0 auto; height: 34px; padding: 0 14px; border: 0; border-radius: 7px; background: none; cursor: pointer; font-weight: 550; font-size: 13.5px; color: var(--text-2); white-space: nowrap; transition: background .15s, color .15s; }
.range-bar button.active { background: var(--stat); color: #fff; box-shadow: var(--shadow-sm); }
.chart-head { flex-wrap: wrap; }
.note-select { width: auto; max-width: 300px; min-height: 34px; padding: 5px 30px 5px 10px; font-size: 13.5px; font-weight: 500; }
.chart-total { margin-left: auto; font-size: 12.5px; color: var(--muted); font-weight: 500; display: flex; gap: 14px; flex-wrap: wrap; }
.chart-total b { color: var(--stat-strong); font-weight: 650; }
.chart-wrap { position: relative; height: 330px; padding: 18px 20px 14px; }
.chart-overlay { position: absolute; inset: 0; display: grid; place-items: center; background: color-mix(in srgb, var(--surface) 70%, transparent); transition: opacity .2s; }
.chart-overlay.done { opacity: 0; pointer-events: none; }
.chart-empty { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; color: var(--muted); font-size: 14px; pointer-events: none; }
.top-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.top-panel { margin-bottom: 0; }
.top-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.top-table th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--surface-2); padding: 10px 20px; font-weight: 650; border-bottom: 1px solid var(--border); }
.top-table td { padding: 12px 20px; border-bottom: 1px solid var(--border); }
.top-table tr:last-child td { border-bottom: 0; }
.top-table .rank { width: 48px; }
.rank-n { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; background: var(--surface-3); color: var(--text-2); font-size: 12px; font-weight: 700; }
tr:nth-child(1) .rank-n { background: var(--stat); color: #fff; }
tr:nth-child(2) .rank-n, tr:nth-child(3) .rank-n { background: var(--stat-soft); color: var(--stat-strong); box-shadow: inset 0 0 0 1px var(--stat-border); }
.top-table .t { max-width: 0; width: 100%; overflow-wrap: anywhere; }   /* tiêu đề đầy đủ, xuống dòng khi dài */
.top-table .t a { color: var(--text); font-weight: 500; }
.top-table .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 650; }
.top-table td.num { color: var(--stat-strong); }

@media (max-width: 900px) { .top-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .kpis { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi { padding: 14px; }
  .kpi-num { font-size: 22px; }
  .chart-wrap { height: 260px; padding: 12px 10px 8px; }
  .chart-total { margin-left: 0; width: 100%; }
  .note-select { max-width: 100%; flex: 1; }
  .top-table th, .top-table td { padding-left: 14px; padding-right: 14px; }
}

/* ==========================================================================
   Settings
   ========================================================================== */
.ql-grid { display: grid; grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr); gap: 20px; align-items: start; padding: 20px 24px 24px; }
.ql-main { display: grid; gap: 16px; min-width: 0; }
.box-title { margin: 0 0 6px; font-size: 15px; font-weight: 650; display: flex; align-items: center; gap: 9px; }
.box-title .ic { color: var(--accent-text); }
.subtle-box > .muted { font-size: 14px; }
.token-row { display: flex; gap: 10px; margin-top: 14px; }
.token-box { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; color: var(--muted); background: var(--surface); }
.token-box input { border: 0; background: none; outline: none; flex: 1; min-width: 0; font-family: var(--mono); font-size: 13px; color: var(--text); }
.secret-note { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--warn-text); margin-top: 10px; }
.code-head { display: flex; justify-content: space-between; align-items: center; margin: 16px 0 8px; gap: 10px; flex-wrap: wrap; }
.mono-label { font: 500 11.5px var(--mono); color: var(--muted); letter-spacing: .02em; display: block; }
.subtle-box .mono-label + .muted { margin-top: 6px; }
pre.code {
  margin: 0; padding: 14px 16px; border-radius: var(--r); border: 1px solid var(--border); background: var(--surface);
  font-size: 13px; white-space: pre-wrap; word-break: break-all; line-height: 1.7; color: var(--text-2);
}
pre.code .c-red { color: var(--danger); }
pre.code .c-amber { color: var(--warn-text); }
.guide { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; position: sticky; top: calc(var(--topbar-h) + 16px); }
.guide-title { margin: 0 0 18px; font-size: 12px; letter-spacing: .07em; color: var(--accent-text); display: flex; align-items: center; gap: 8px; font-weight: 700; }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; display: grid; gap: 18px; }
.steps li { counter-increment: s; position: relative; padding-left: 40px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; font-weight: 700; font-size: 12.5px; color: var(--accent-text); background: var(--accent-soft); }
.steps b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.steps span { color: var(--muted); font-size: 13.5px; }
.guide { min-width: 0; }
.guide .chip { white-space: normal; overflow-wrap: anywhere; }   /* địa chỉ API dài: xuống dòng, không đẩy cột rộng ra */
.guide-note { border-top: 1px dashed var(--border-strong); margin: 20px 0 0; padding-top: 16px; font-size: 13.5px; color: var(--muted); }
.guide-note b:first-child { color: var(--text); }
.s-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; align-items: start; }
.s-col { display: grid; gap: 24px; }
.s-grid .panel, .s-col .panel { margin-bottom: 0; }
.slot { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 10px; align-items: center; margin-top: 12px; }
.slot-n { width: 26px; height: 26px; border-radius: 7px; background: var(--surface-3); color: var(--text-2); display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.slot .input { font-family: var(--mono); font-size: 13px; }
.slot-result { grid-column: 2 / -1; margin: 0; overflow-wrap: anywhere; }
.slot-result:empty { display: none; }
.slot-result.c-ok { color: var(--ok); } .slot-result.c-red { color: var(--danger); }
.panel .editor-card { border: 1px solid var(--border-strong); border-radius: var(--r); overflow: hidden; }
.panel .editor-card .ql-toolbar.ql-snow { position: static; padding: 8px 12px; border-top: 0; background: var(--tb-bg); }
.panel .editor-card .ql-container.ql-snow, .panel .editor-card .ql-editor { min-height: 260px; }
.panel .editor-card .ql-container.ql-snow { font-size: 15px; }
.panel .editor-card .ql-editor { padding: 16px 18px; line-height: 1.7; }
.panel .editor-card .ql-editor.ql-blank::before { left: 18px; right: 18px; }
.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.info { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r); padding: 14px 16px; display: grid; gap: 2px; min-width: 0; overflow-wrap: anywhere; }
.info .cap { margin: 0 0 4px; }
.info b { font-size: 15px; font-weight: 650; }
.info.wide { margin-top: 12px; }
.usage { display: flex; align-items: center; gap: 14px; }
.usage .stat-meter { flex: 1; margin: 0; max-width: 360px; }
.save-bar { position: sticky; bottom: 0; z-index: 20; margin: 0 -24px; padding: 14px 24px; display: flex; justify-content: flex-end; align-items: center; gap: 14px; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-top: 1px solid var(--border); }
.save-bar .hint { margin: 0 auto 0 0; }
.save-bar.dirty .hint { color: var(--warn-text); }
@media (max-width: 1000px) {
  .ql-grid, .s-grid { grid-template-columns: 1fr; }
  .guide { position: static; }
  .grid-3 { grid-template-columns: 1fr; gap: 0; }
  .info-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .ql-grid { padding: 16px; }
  .token-row { flex-direction: column; }
  .slot { grid-template-columns: 26px minmax(0, 1fr); }
  .slot .btn { grid-column: 2; justify-self: start; }
  .info-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .save-bar { margin: 0 -16px; padding: 12px 16px; }
  .save-bar .hint { display: none; }
  .save-bar .btn { width: 100%; }
}

/* ==========================================================================
   Bulk replace
   ========================================================================== */
.guide-box { display: flex; gap: 14px; padding: 18px 20px; margin-bottom: 24px; font-size: 14px; background: var(--info-soft); border-color: color-mix(in srgb, var(--info) 25%, var(--border)); box-shadow: none; }
.guide-box > .ic { color: var(--info); margin-top: 2px; }
.guide-box ul { margin: 6px 0 0; padding-left: 18px; color: var(--text-2); display: grid; gap: 3px; }
.guide-box ul b { color: var(--text); }
.preview-box { margin-top: 22px; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: var(--r); font-size: 14px; border: 1px solid color-mix(in srgb, var(--ok) 35%, var(--border)); background: var(--ok-soft); transition: opacity .2s; }
.preview-box .ic { color: var(--ok); }
.preview-box.none { border-color: var(--border); background: var(--surface-2); }
.preview-box.none .ic { color: var(--muted); }
.preview-box.stale { opacity: .45; }
.bulk-actions { display: flex; gap: 10px; flex-wrap: wrap; border-top: 1px solid var(--border); margin-top: 24px; padding-top: 20px; }

/* ---------- Bảo mật tài khoản / 2FA ---------- */
.sec-grid { gap: 0 32px; }
.sec-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 12px; font-size: 14.5px; overflow-wrap: anywhere; }
.sec-form { margin-bottom: 8px; }
.sec-form .input { flex: 1; min-width: 0; }
.slot-clear { grid-column: 2 / -1; margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.wide-auth { max-width: 480px; }
.otp-input { font: 600 22px/1 var(--mono); letter-spacing: .2em; text-align: center; }
.qr-box { display: grid; place-items: center; margin: 6px auto 4px; padding: 12px; background: #fff; border-radius: var(--r); border: 1px solid var(--border); width: fit-content; }
.qr-box svg { display: block; width: 200px; height: 200px; }
.secret-code { font: 600 14px var(--mono); letter-spacing: .06em; overflow-wrap: anywhere; color: var(--text); background: var(--surface-2); padding: 3px 6px; border-radius: 6px; }
.setup-steps { margin: 14px 0 6px; }
.recovery-list { list-style: none; padding: 0; margin: 16px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.recovery-list code { display: block; text-align: center; font: 600 15px var(--mono); padding: 9px; border-radius: var(--r-sm); background: var(--surface-2); border: 1px solid var(--border); }
@media (max-width: 560px) { .sec-form { flex-direction: column; } .recovery-list { grid-template-columns: 1fr; } }

/* ==========================================================================
   Lớp tương tác — MỘT nơi quy định hover / nhấn / focus cho mọi thành phần bấm được
   - Hover: chỉ trên thiết bị có chuột (hover:hover + pointer:fine) → không bị "dính" hover sau khi chạm.
   - Nhấn (:active): mọi thiết bị, phản hồi tức thì (scale .98, giảm bóng).
   - Focus bàn phím: viền --focus (định nghĩa ở :focus-visible phía trên).
   - Chuyển động 150–250ms, chỉ transform / màu / viền / bóng; tắt khi prefers-reduced-motion.
   ========================================================================== */
.btn, .icon-btn, .act, .sq, .tab, .pg, .chip-btn, .link-btn, .sb-item, .sb-toggle, .bn-item, .bn-new,
.flash-close, .search-clear, .back-btn, .range-bar button, .nav-links a, .aff, .report-btn,
a.id-badge, a.slug, .row-title, .logo, .site-footer a, .muted-link, .feature-card, .faq-item summary {
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;          /* bỏ trễ 300ms khi chạm, tránh phóng to khi chạm đúp */
}
.btn .ic, .icon-btn .ic, .act .ic, .sq .ic, .sb-item .ic, .bn-item .ic { transition: transform var(--dur) var(--ease-out), color var(--dur) var(--ease-out); }

/* ô nhập có viền + vòng sáng riêng khi focus → không chồng thêm outline */
.input:focus-visible, .table-search input:focus-visible, .title-input:focus-visible, .ql-editor:focus-visible { outline: none; }
.title-input:focus-visible { box-shadow: inset 0 -2px 0 var(--accent); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); }
.switch:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---- Nhấn: mọi thiết bị ---- */
.btn:not(:disabled):not([aria-disabled="true"]):active, .icon-btn:active, .act:active, .sq:active, .tab:active,
a.pg:active, .chip-btn:active, .range-bar button:active, .sb-toggle:active, .flash-close:active {
  transform: scale(.98); box-shadow: none; transition-duration: 60ms;
}
.bn-new:active { transform: scale(.94); }
.bn-item:active .bn-ic { transform: scale(.92); }
.link-btn:active { opacity: .7; }

/* ---- Trạng thái đang chọn (theo theme qua token) ---- */
.sb-item.active { background-color: var(--accent-tint); color: var(--accent-strong); }
.sb-item.active .ic { color: var(--accent-strong); }
.tab.active { background-image: var(--grad-primary); background-color: var(--accent); border-color: transparent; color: #fff;
  box-shadow: 0 4px 12px -6px var(--accent-glow); }
.pg.active { background-image: var(--grad-primary); border-color: transparent; color: #fff; }
.tab[aria-current], .pg[aria-current] { cursor: default; }

/* ---- Hover: chỉ chuột/bút cảm ứng chính xác ---- */
@media (hover: hover) and (pointer: fine) {
  a:hover { color: var(--accent-hover); }
  .logo:hover, .site-footer a:hover { color: var(--text); }

  .btn:not(:disabled):not([aria-disabled="true"]):hover {
    transform: translateY(-1px); background-color: var(--accent-tint); border-color: var(--accent);
    color: var(--accent-strong); box-shadow: var(--shadow-btn-hover);
  }
  .btn.primary:not(:disabled):hover { color: #fff; border-color: transparent;
    box-shadow: 0 10px 24px -10px var(--accent-glow), 0 0 0 1px rgba(56, 189, 248, .35); }
  .btn.primary:not(:disabled):hover::before { opacity: 1; }
  .btn.ghost:not(:disabled):hover { background-color: var(--accent-tint); border-color: transparent; box-shadow: none; transform: none; }
  .btn.success:not(:disabled):hover { background-color: #166534; border-color: #166534; color: #fff;
    box-shadow: 0 8px 18px -8px rgba(22, 163, 74, .6); }
  .btn.danger:not(:disabled):hover { background-color: var(--danger); border-color: var(--danger); color: #fff;
    box-shadow: 0 8px 18px -8px rgba(220, 38, 38, .55); }
  .btn:hover .ic-move { transform: translateX(3px); }

  .link-btn:hover { color: var(--accent-hover); text-decoration: underline; }
  .link-btn.red:hover { color: var(--danger); }
  .icon-btn:hover, .act:hover, .sb-toggle:hover, .search-clear:hover, .flash-close:hover {
    background-color: var(--accent-tint); color: var(--accent-strong); border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  }
  .act.danger:hover, .report-btn:hover { background-color: var(--danger-soft); color: var(--danger); }
  .sq.edit:hover { color: var(--accent-strong); border-color: var(--accent); background-color: var(--accent-tint); transform: translateY(-1px); }
  .sq.del:hover { color: #fff; border-color: var(--danger); background-color: var(--danger); transform: translateY(-1px); }
  .sq.ok:hover { color: #fff; border-color: var(--ok-strong); background-color: var(--ok-strong); transform: translateY(-1px); }

  .sb-item:not(.active):hover { background-color: var(--surface-2); color: var(--text); }
  .sb-item:not(.active):hover .ic { color: var(--accent-text); transform: translateX(1px); }
  .tab:not(.active):hover, a.pg:not(.active):hover, .range-bar button:not(.active):hover {
    background-color: var(--accent-tint); color: var(--accent-strong); border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  }
  .chip-btn:hover { border-color: var(--accent); color: var(--accent-strong); background-color: var(--accent-tint); }
  .nav-links a:not(.cta):hover { color: var(--text); background-color: var(--accent-tint); }
  .bn-item:hover { color: var(--accent-text); }
  .back-btn:hover, .muted-link:hover { color: var(--text); }
  .back-btn:hover .ic { transform: translateX(-2px); }
  a.slug:hover, .row-title:hover, .top-table .t a:hover { color: var(--accent-hover); }
  a.id-badge:hover { color: var(--accent-strong); border-color: var(--accent); background-color: var(--accent-tint); }
  .switch-row:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
  .input:hover:not(:focus) { border-color: color-mix(in srgb, var(--accent) 35%, var(--border-strong)); }
  /* hàng bảng / thẻ có thể bấm: làm nổi viền, không đổi bố cục */
  .data-table tbody tr:hover, .top-table tbody tr:hover { background-color: color-mix(in srgb, var(--accent-tint) 55%, transparent); }
  .aff:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow); color: var(--text); }
  /* card tính năng (tĩnh): chỉ sáng viền nhẹ — không nổi/không con trỏ tay để khỏi trông như nút */
  .feature-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: 0 12px 30px -18px var(--accent-glow); }
}

/* ---- Chạm (không có hover): nền phản hồi khi đang nhấn ---- */
@media (hover: none) {
  .btn:not(.primary):not(.success):not(.danger):not(:disabled):active { background-color: var(--accent-tint); border-color: var(--accent); }
  .btn.danger:active { background-color: var(--danger); color: #fff; }
  .icon-btn:active, .act:active, .tab:not(.active):active, a.pg:active, .chip-btn:active, .range-bar button:not(.active):active,
  .sb-toggle:active, .search-clear:active, .flash-close:active { background-color: var(--accent-tint); color: var(--accent-strong); }
  .sq.del:active { background-color: var(--danger); color: #fff; }
  .sq.ok:active { background-color: var(--ok-strong); color: #fff; }
  .data-table tbody tr:active { background-color: color-mix(in srgb, var(--accent-tint) 55%, transparent); }
}

/* hàng bảng đang được thao tác bằng bàn phím */
.data-table tbody tr:focus-within { box-shadow: inset 3px 0 0 var(--accent); }

/* ---- Toast: phân biệt thành công / cảnh báo / lỗi ---- */
.toast { display: flex; align-items: center; gap: 10px; border-left: 4px solid var(--sky); }
.toast.ok { border-left-color: var(--ok); }
.toast.warn { border-left-color: var(--warn); }
.toast.error { border-left-color: var(--danger); }
.flash.warn { border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); background: var(--warn-soft); }
.flash.warn .ic { color: var(--warn-text); }

/* ---- Hộp/khung bật lên: xuất hiện nhẹ, không làm giật trang ---- */
.report-form, .notice, .bulk-bar, .flash { animation: pop-in var(--dur) var(--ease-out); }
@keyframes pop-in { from { opacity: 0; transform: translateY(-4px) scale(.99); } }
.ql-snow .ql-picker.ql-expanded .ql-picker-options { animation: pop-in 140ms var(--ease-out); }

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  main { padding: 22px 0 40px; }
  .card { padding: 18px; }
  .panel, .table-card, .editor-card { padding: 0; }
  .panel-head { padding: 14px 16px; }
  .panel-body { padding: 4px 16px 18px; }
  .panel-foot { padding: 12px 16px; }
  .page-header h1 { font-size: 22px; }
}

/* ==========================================================================
   Mobile shell — điện thoại & tablet (≤ 900px)
   ========================================================================== */
:root { --bn-h: 64px; --safe-b: env(safe-area-inset-bottom, 0px); --safe-t: env(safe-area-inset-top, 0px); }
.tb-logo { display: none; }
.bottom-nav { display: none; }
.net-banner {
  position: fixed; left: 50%; top: calc(8px + var(--safe-t)); transform: translateX(-50%); z-index: 90;
  display: flex; align-items: center; gap: 8px; max-width: calc(100% - 24px); padding: 8px 14px; border-radius: 999px;
  background: var(--warn); color: #1f1300; font-size: 13px; font-weight: 600; box-shadow: var(--shadow); animation: slide-in .2s var(--ease);
}
.save-state.busy::before { background: var(--accent); animation: pulse 1s ease-in-out infinite; }
.save-state.warn { color: var(--warn-text); }
.save-state.warn::before { background: var(--warn); }
@keyframes pulse { 50% { opacity: .3; } }
.back-btn { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-weight: 500; font-size: 13.5px; border-radius: var(--r-sm); padding: 4px 6px 4px 2px; margin-left: -2px; }
.back-btn .ic { width: 18px; height: 18px; }

@media (max-width: 900px) {
  /* vùng chạm tối thiểu ~44px, không phụ thuộc hover */
  .btn { height: 44px; }
  .btn.sm { height: 40px; padding: 0 14px; }
  .icon-btn { width: 42px; height: 42px; }
  .act { width: 42px; height: 42px; }
  .sq { width: 42px; height: 42px; }
  .tab { height: 40px; padding: 0 14px; }
  .pg { min-width: 40px; height: 40px; }
  /* chữ ≥ 16px trong ô nhập để iOS không tự phóng to trang khi chạm vào */
  .input, textarea.input, select.input, .table-search input, .report-form textarea,
  .slot .input, .token-box input { font-size: 16px; }
  .table-search input { height: 44px; }
  .link-btn { min-height: 40px; }
  .range-bar button { height: 40px; }
  select.sort-select { height: 44px; min-height: 44px; flex: 1; }
  select.per-select { height: 40px; min-height: 40px; }

  /* thanh trên: logo thay cho nút menu (điều hướng đã chuyển xuống dưới) */
  .sb-open { display: none !important; }
  .tb-logo { display: inline-flex; }
  .tb-logo .logo { font-size: 17px; }
  .topbar { padding: 0 12px 0 16px; padding-top: var(--safe-t); height: calc(var(--topbar-h) + var(--safe-t)); }
  .install-btn span { display: none; }
  .install-btn { width: 42px; padding: 0; }

  /* thanh điều hướng dưới */
  .has-sidebar main { padding-bottom: calc(var(--bn-h) + var(--safe-b) + 24px); }
  .has-sidebar .site-footer { display: none; }
  .bottom-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: grid; grid-template-columns: repeat(5, 1fr); align-items: center;
    height: calc(var(--bn-h) + var(--safe-b)); padding: 0 6px var(--safe-b);
    background: color-mix(in srgb, var(--sidebar) 92%, transparent); border-top: 1px solid var(--border);
    backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  }
  .bn-item {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; height: 100%;
    color: var(--muted); font-size: 11px; font-weight: 500; -webkit-tap-highlight-color: transparent;
  }
  .bn-item.active { color: var(--accent-text); font-weight: 600; }
  .bn-ic { position: relative; display: grid; place-items: center; width: 52px; height: 28px; border-radius: 999px; transition: background .2s; }
  .bn-item.active .bn-ic { background: var(--accent-soft); }
  .bn-ic .ic { width: 21px; height: 21px; }
  .bn-dot { position: absolute; top: 2px; right: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 0 2px var(--sidebar); }
  .bn-new {
    justify-self: center; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; margin-top: -10px;
    background: var(--accent); color: #fff; box-shadow: 0 6px 18px -6px var(--accent-glow); -webkit-tap-highlight-color: transparent;
    transition: transform .15s var(--ease), background .15s;
  }
  .bn-new .ic { width: 24px; height: 24px; stroke-width: 2.4; }
  /* các thành phần dính đáy phải nằm trên thanh điều hướng */
  .toast { bottom: calc(var(--bn-h) + var(--safe-b) + 16px); }
  .save-bar { bottom: calc(var(--bn-h) + var(--safe-b)); }

  /* danh sách ghi chú */
  .page-header .page-actions .btn.primary { display: none; }   /* đã có nút + ở thanh dưới */
  .data-toolbar { padding: 12px; gap: 10px; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -12px; padding: 0 12px; width: calc(100% + 24px); }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { flex: none; }

  /* ---------- Trình soạn thảo toàn màn hình ---------- */
  .page-editor .topbar, .page-editor .bottom-nav, .page-editor .site-footer { display: none; }
  .page-editor main { padding: 0 !important; }
  .page-editor main > .container { padding: 0; }
  .page-editor .flashes { margin: 12px; }
  .page-editor .editor-shell { max-width: none; min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
  .page-editor .editor-top {
    position: sticky; top: 0; z-index: 20; margin: 0; padding: var(--safe-t) 8px 0 4px; min-height: calc(56px + var(--safe-t));
    background: color-mix(in srgb, var(--bg) 92%, transparent); border-bottom: 1px solid var(--border); gap: 6px; flex-wrap: nowrap;
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  }
  .page-editor .back-btn { height: 44px; padding: 0 10px 0 6px; font-size: 15px; color: var(--text); font-weight: 600; }
  .page-editor .save-state { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; justify-content: center; }
  .page-editor .editor-tools { margin-left: 0; width: auto; border: 0; background: none; padding: 0; }
  .page-editor .notice { margin: 10px 12px 0; }
  .page-editor .editor-card { flex: 1; display: flex; flex-direction: column; border: 0; border-radius: 0; background: var(--bg); }
  .page-editor #editor { flex: 1; display: flex; flex-direction: column; }
  .page-editor .editor-card .ql-container.ql-snow { flex: 1; }
  .page-editor .editor-card .ql-editor { min-height: 40vh; }
  .page-editor .title-input { padding: 20px 18px 4px; font-size: 26px; }
  .page-editor .doc-meta { padding: 2px 18px 12px; }
  /* thanh định dạng: 1 hàng, vuốt ngang, dính dưới thanh tiêu đề */
  .page-editor .editor-card .ql-toolbar.ql-snow {
    top: calc(56px + var(--safe-t)); display: flex; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
    padding: 4px 8px; background: color-mix(in srgb, var(--tb-bg) 96%, transparent); -webkit-overflow-scrolling: touch;
  }
  .page-editor .ql-toolbar::-webkit-scrollbar { display: none; }
  .page-editor .ql-toolbar .ql-formats { flex: none; display: flex; margin-right: 6px; padding-right: 6px; border-right: 1px solid var(--tb-border); }
  .page-editor .ql-toolbar .ql-formats:last-child { border-right: 0; }
  .page-editor .ql-snow.ql-toolbar button { width: 40px; height: 40px; padding: 9px; }
  .page-editor .editor-card .ql-editor { padding: 16px 18px 24px; font-size: 17px; }
  .page-editor .editor-card .ql-editor.ql-blank::before { left: 18px; right: 18px; }
  /* nút lưu dính đáy (Android: nằm ngay trên bàn phím ảo nhờ interactive-widget) */
  .page-editor .editor-actions { padding: 10px 12px calc(10px + var(--safe-b)); border-radius: 0; gap: 8px; }
  .page-editor .editor-actions .btn { flex: 1; }
  .page-editor .editor-actions .btn.ghost { flex: 0 0 auto; }
}
@media (max-width: 380px) {
  /* màn hình rất nhỏ (320–375px) */
  .bn-item { font-size: 10px; }
  .bn-ic { width: 44px; }
  .page-editor .save-state { font-size: 11.5px; }
  .tb-logo .logo-text { font-size: 16px; }
}
/* điện thoại xoay ngang: chiều cao thấp → thu gọn tiêu đề để dành chỗ viết */
@media (max-height: 500px) and (max-width: 900px) {
  .page-editor .title-input { padding-top: 10px; font-size: 22px; }
  .page-editor .doc-meta { display: none; }
  .page-editor .editor-card .ql-editor { min-height: 0; }
  :root { --bn-h: 52px; }
  .bn-item > span:last-child { display: none; }
  .bn-new { width: 44px; height: 44px; margin-top: 0; }
}