/* ==================================================================
   OrgNote · base.css
   版式与组件。所有颜色/圆角/阴影都走 CSS 变量，
   因此 md3.css 与 glass.css 只要换一套变量值，就能得到两种完全不同的风格。
   ================================================================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans SC",
               "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;

  /* 圆角 */
  --r-xs: 6px; --r-s: 10px; --r-m: 14px; --r-l: 20px; --r-xl: 28px; --r-full: 999px;

  /* 动效 */
  --ease-standard: cubic-bezier(.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(.05, .7, .1, 1);
  --dur-short: .16s; --dur-medium: .28s; --dur-long: .45s;

  /* 层级 */
  --z-nav: 40; --z-drawer: 60; --z-dialog: 80; --z-snack: 90; --z-splash: 100;

  /* 由主题文件覆盖 */
  --backdrop: none;
  --card-backdrop: none;
  --card-border: 1px solid var(--c-outline-variant);
  --card-shadow: var(--elev-1);
  --title-shadow: none;
  --body-bg: var(--c-surface);
}

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-on-surface);
  background: var(--body-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--dur-medium) var(--ease-standard),
              color var(--dur-medium) var(--ease-standard);
  overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 600; letter-spacing: .01em; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.05rem; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: var(--c-primary); }
[hidden] { display: none !important; }

.muted { color: var(--c-on-surface-variant); }
.small { font-size: .82rem; }
.center { text-align: center; }
.spacer { flex: 1 1 auto; }
.row { display: flex; align-items: center; gap: 10px; }
.row-wrap { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.mono { font-family: var(--font-mono); font-size: .8rem; }
.nowrap { white-space: nowrap; }

/* ───────────────── 液态玻璃背景 ───────────────── */
.glass-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background: var(--glass-bg-base, transparent);
  opacity: 0; transition: opacity var(--dur-long) var(--ease-standard);
  pointer-events: none;
}
[data-theme="glass"] .glass-bg { opacity: 1; }
.blob {
  position: absolute; border-radius: 50%; filter: blur(60px);
  opacity: .75; will-change: transform;
}
.b1 { width: 46vmax; height: 46vmax; left: -12vmax; top: -14vmax;
      background: radial-gradient(circle at 30% 30%, var(--glass-b1), transparent 70%);
      animation: float1 22s var(--ease-standard) infinite alternate; }
.b2 { width: 40vmax; height: 40vmax; right: -10vmax; top: 4vmax;
      background: radial-gradient(circle at 60% 40%, var(--glass-b2), transparent 70%);
      animation: float2 26s var(--ease-standard) infinite alternate; }
.b3 { width: 44vmax; height: 44vmax; left: 8vmax; bottom: -18vmax;
      background: radial-gradient(circle at 50% 60%, var(--glass-b3), transparent 70%);
      animation: float3 30s var(--ease-standard) infinite alternate; }
.b4 { width: 32vmax; height: 32vmax; right: 6vmax; bottom: -10vmax;
      background: radial-gradient(circle at 40% 50%, var(--glass-b4), transparent 70%);
      animation: float1 19s var(--ease-standard) infinite alternate-reverse; }
@keyframes float1 { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(6vmax,4vmax,0) scale(1.15); } }
@keyframes float2 { from { transform: translate3d(0,0,0) scale(1.1); } to { transform: translate3d(-7vmax,6vmax,0) scale(.95); } }
@keyframes float3 { from { transform: translate3d(0,0,0) scale(.95); } to { transform: translate3d(5vmax,-6vmax,0) scale(1.2); } }
@media (prefers-reduced-motion: reduce) {
  .blob { animation: none !important; }
  * { transition-duration: .01ms !important; }
}
.grain {
  position: absolute; inset: 0; opacity: .28; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* ───────────────── 顶栏 ───────────────── */
.topbar {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: var(--topbar-bg, var(--c-surface));
  backdrop-filter: var(--backdrop); -webkit-backdrop-filter: var(--backdrop);
  border-bottom: 1px solid var(--c-outline-variant);
  padding-top: env(safe-area-inset-top);
}
[data-theme="glass"] .topbar { border-bottom-color: var(--glass-line); }
.topbar-inner {
  max-width: 1240px; margin: 0 auto; height: 64px;
  padding: 0 12px; display: flex; align-items: center; gap: 8px;
}
.topbar-title { font-size: 1.15rem; font-weight: 600; text-shadow: var(--title-shadow); }
.role-chip {
  padding: 4px 12px; border-radius: var(--r-full); font-size: .76rem; font-weight: 600;
  background: var(--c-secondary-container); color: var(--c-on-secondary-container);
  border: 1px solid var(--card-border-color, transparent);
}
[data-theme="glass"] .role-chip { background: var(--glass-chip-bg); color: var(--glass-fg); border-color: var(--glass-line); backdrop-filter: blur(12px); }

.icon-btn {
  width: 44px; height: 44px; border-radius: var(--r-full);
  display: grid; place-items: center; color: var(--c-on-surface-variant);
  transition: background var(--dur-short) var(--ease-standard);
  flex: 0 0 auto;
}
.icon-btn:hover { background: color-mix(in srgb, var(--c-on-surface) 8%, transparent); }
.icon-btn:active { background: color-mix(in srgb, var(--c-on-surface) 14%, transparent); }
.avatar {
  width: 40px; height: 40px; border-radius: var(--r-full); flex: 0 0 auto;
  background: var(--c-primary); color: var(--c-on-primary);
  font-weight: 700; font-size: .95rem; display: grid; place-items: center;
  box-shadow: var(--elev-1); transition: transform var(--dur-short) var(--ease-emphasized);
}
.avatar:hover { transform: scale(1.06); }

/* ───────────────── 布局外壳 ───────────────── */
.shell { max-width: 1240px; margin: 0 auto; display: flex; gap: 24px; padding: 0 12px; }
.content { flex: 1 1 auto; min-width: 0; padding: 20px 0 120px; outline: none; }
.rail { display: none; width: 96px; flex: 0 0 96px; padding: 16px 0; }

.navbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-nav);
  display: flex; justify-content: space-around; align-items: center;
  height: calc(72px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--nav-bg, var(--c-surface-container));
  backdrop-filter: var(--backdrop); -webkit-backdrop-filter: var(--backdrop);
  border-top: 1px solid var(--c-outline-variant);
}
[data-theme="glass"] .navbar { border-top-color: var(--glass-line); }
.nav-item {
  flex: 1 1 0; display: flex; flex-direction: column; align-items: center; gap: 3px;
  color: var(--c-on-surface-variant); font-size: .7rem; font-weight: 500;
  padding: 0; min-width: 0; transition: color var(--dur-short) var(--ease-standard);
}
.nav-item .nav-icon {
  width: 62px; height: 30px; border-radius: var(--r-full);
  display: grid; place-items: center; transition: background var(--dur-medium) var(--ease-emphasized);
}
.nav-item.active { color: var(--c-on-secondary-container); font-weight: 700; }
.nav-item.active .nav-icon { background: var(--c-secondary-container); }
[data-theme="glass"] .nav-item.active { color: var(--glass-fg); }
[data-theme="glass"] .nav-item.active .nav-icon { background: var(--glass-chip-bg); backdrop-filter: blur(10px); }

@media (min-width: 840px) {
  .navbar { display: none; }
  .rail { display: flex; flex-direction: column; gap: 8px; position: sticky; top: 80px; align-self: flex-start; }
  .rail-item {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 4px; border-radius: var(--r-l); font-size: .72rem; font-weight: 600;
    color: var(--c-on-surface-variant); transition: background var(--dur-short) var(--ease-standard);
  }
  .rail-item:hover { background: color-mix(in srgb, var(--c-on-surface) 7%, transparent); }
  .rail-item.active { background: var(--c-secondary-container); color: var(--c-on-secondary-container); }
  [data-theme="glass"] .rail-item.active { background: var(--glass-chip-bg); color: var(--glass-fg); }
  .content { padding-bottom: 40px; }
  .only-rail-hidden { display: none; }
}

/* ───────────────── 卡片 ───────────────── */
.card {
  background: var(--card-bg, var(--c-surface-container-low));
  border: var(--card-border);
  border-radius: var(--r-xl);
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--card-backdrop); -webkit-backdrop-filter: var(--card-backdrop);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.card.tight { padding: 14px; }
.card.pad-0 { padding: 0; }
.card-title { font-size: 1.02rem; font-weight: 650; text-shadow: var(--title-shadow); }
.card-sub { font-size: .82rem; color: var(--c-on-surface-variant); }

/* 液态玻璃的高光扫过 */
[data-theme="glass"] .card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(140deg, rgba(255,255,255,.30) 0%, rgba(255,255,255,0) 42%);
  opacity: .8;
}
[data-theme="glass"] .card > * { position: relative; z-index: 1; }

.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid.recs { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

/* ───────────────── 按钮 ───────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 20px; border-radius: var(--r-full);
  font-size: .9rem; font-weight: 600; letter-spacing: .01em;
  transition: background var(--dur-short) var(--ease-standard),
              box-shadow var(--dur-short) var(--ease-standard),
              transform var(--dur-short) var(--ease-emphasized);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-lg { height: 50px; padding: 0 26px; font-size: .98rem; }
.btn-sm { height: 32px; padding: 0 14px; font-size: .8rem; }
.btn-block { width: 100%; }
.btn-filled { background: var(--c-primary); color: var(--c-on-primary); box-shadow: var(--elev-1); }
.btn-filled:hover { box-shadow: var(--elev-2); }
.btn-tonal { background: var(--c-secondary-container); color: var(--c-on-secondary-container); }
.btn-outlined { border: 1px solid var(--c-outline); color: var(--c-primary); }
.btn-outlined:hover { background: color-mix(in srgb, var(--c-primary) 8%, transparent); }
.btn-text { color: var(--c-primary); padding: 0 12px; }
.btn-text:hover { background: color-mix(in srgb, var(--c-primary) 8%, transparent); }
.btn-danger { background: var(--c-error-container); color: var(--c-on-error-container); }
.btn-danger:hover { background: color-mix(in srgb, var(--c-error) 26%, var(--c-error-container)); }

[data-theme="glass"] .btn { backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
[data-theme="glass"] .btn-filled {
  background: var(--glass-btn-bg); color: var(--glass-fg);
  border: 1px solid var(--glass-line); box-shadow: var(--glass-shadow);
}
[data-theme="glass"] .btn-tonal,
[data-theme="glass"] .btn-outlined,
[data-theme="glass"] .btn-text {
  background: var(--glass-chip-bg); color: var(--glass-fg); border: 1px solid var(--glass-line);
}

/* FAB */
.fab {
  position: fixed; right: 18px; z-index: var(--z-nav);
  bottom: calc(88px + env(safe-area-inset-bottom));
  display: inline-flex; align-items: center; gap: 10px;
  height: 58px; padding: 0 20px; border-radius: var(--r-l);
  background: var(--c-primary-container); color: var(--c-on-primary-container);
  box-shadow: var(--elev-3); font-weight: 650;
  transition: transform var(--dur-medium) var(--ease-emphasized), box-shadow var(--dur-short);
}
.fab:hover { transform: translateY(-2px); box-shadow: var(--elev-4, var(--elev-3)); }
.fab:active { transform: scale(.96); }
.fab-label { font-size: .9rem; }
@media (min-width: 840px) { .fab { bottom: 28px; right: 28px; } }
[data-theme="glass"] .fab {
  background: var(--glass-btn-bg); color: var(--glass-fg);
  border: 1px solid var(--glass-line); backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--glass-shadow);
}

/* 图标按钮 / 芯片 */
.chip {
  height: 34px; padding: 0 14px; border-radius: var(--r-s);
  border: 1px solid var(--c-outline-variant); background: transparent;
  font-size: .82rem; font-weight: 550; color: var(--c-on-surface-variant);
  display: inline-flex; align-items: center; gap: 6px;
  transition: background var(--dur-short) var(--ease-standard);
}
.chip:hover { background: color-mix(in srgb, var(--c-on-surface) 7%, transparent); }
.chip.on { background: var(--c-secondary-container); color: var(--c-on-secondary-container); border-color: transparent; }
[data-theme="glass"] .chip {
  background: var(--glass-chip-bg); color: var(--glass-fg); border-color: var(--glass-line);
  backdrop-filter: blur(12px);
}
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* 分段按钮 */
.segmented {
  display: flex; padding: 3px; gap: 3px; border-radius: var(--r-full);
  border: 1px solid var(--c-outline-variant); background: var(--c-surface-container);
}
.seg-item {
  flex: 1 1 0; height: 36px; border-radius: var(--r-full); font-size: .85rem;
  font-weight: 600; color: var(--c-on-surface-variant);
  transition: background var(--dur-medium) var(--ease-emphasized), color var(--dur-short);
}
.seg-item.active { background: var(--c-secondary-container); color: var(--c-on-secondary-container); }
[data-theme="glass"] .segmented { background: var(--glass-chip-bg); border-color: var(--glass-line); backdrop-filter: blur(14px); }
[data-theme="glass"] .seg-item { color: var(--glass-fg-dim); }
[data-theme="glass"] .seg-item.active { background: var(--glass-active-bg); color: var(--glass-fg); }

/* ───────────────── 表单 ───────────────── */
.field { display: block; position: relative; margin-bottom: 14px; }
.field-label {
  display: block; font-size: .78rem; font-weight: 600; margin-bottom: 5px;
  color: var(--c-on-surface-variant); letter-spacing: .02em;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; border-radius: var(--r-s);
  border: 1px solid var(--c-outline); background: var(--input-bg, transparent);
  color: var(--c-on-surface); outline: none; font-size: .95rem;
  transition: border-color var(--dur-short), box-shadow var(--dur-short), background var(--dur-short);
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: color-mix(in srgb, var(--c-on-surface-variant) 65%, transparent); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary) 18%, transparent);
}
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'%3E%3Cpath fill='%2379747E' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; padding-right: 38px; }
[data-theme="glass"] .field input, [data-theme="glass"] .field select, [data-theme="glass"] .field textarea {
  background: var(--glass-input-bg); border-color: var(--glass-line); color: var(--glass-fg);
  backdrop-filter: blur(12px);
}
[data-theme="glass"] .field-label { color: var(--glass-fg-dim); }
[data-theme="glass"] .field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'%3E%3Cpath fill='%23ffffff' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); }
[data-theme="glass"] .field select option { background: #222; color: #fff; }

.form-error {
  color: var(--c-error); background: var(--c-error-container);
  padding: 9px 13px; border-radius: var(--r-s); font-size: .84rem; margin-bottom: 12px;
}
.switch-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--c-outline-variant);
}
.switch-row:last-child { border-bottom: none; }
[data-theme="glass"] .switch-row { border-bottom-color: var(--glass-line); }
.switch {
  position: relative; width: 50px; height: 28px; border-radius: var(--r-full); flex: 0 0 auto;
  background: var(--c-surface-variant); border: 2px solid var(--c-outline);
  transition: background var(--dur-medium) var(--ease-standard), border-color var(--dur-medium);
}
.switch::after {
  content: ""; position: absolute; top: 50%; left: 5px; transform: translateY(-50%);
  width: 16px; height: 16px; border-radius: 50%; background: var(--c-outline);
  transition: all var(--dur-medium) var(--ease-emphasized);
}
.switch.on { background: var(--c-primary); border-color: var(--c-primary); }
.switch.on::after { left: 25px; width: 22px; height: 22px; background: var(--c-on-primary); }

/* ───────────────── 记录卡 ───────────────── */
.rec-card { display: flex; flex-direction: column; gap: 10px; cursor: pointer; }
.rec-card:hover { box-shadow: var(--elev-2); }
.rec-head { display: flex; align-items: flex-start; gap: 10px; }
.rec-title { font-weight: 650; font-size: 1rem; flex: 1 1 auto; word-break: break-word; }
.rec-text {
  font-size: .88rem; color: var(--c-on-surface-variant); line-height: 1.72;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
  white-space: pre-wrap; word-break: break-word;
}
.rec-meta { display: flex; align-items: center; gap: 8px; font-size: .76rem; color: var(--c-on-surface-variant); flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px;
  border-radius: var(--r-full); font-size: .72rem; font-weight: 600;
  background: var(--c-surface-variant); color: var(--c-on-surface-variant);
}
.badge.img { background: var(--c-tertiary-container); color: var(--c-on-tertiary-container); }
.badge.role-admin { background: var(--c-primary-container); color: var(--c-on-primary-container); }
.badge.role-recorder { background: var(--c-tertiary-container); color: var(--c-on-tertiary-container); }
.badge.role-observer { background: var(--c-surface-variant); color: var(--c-on-surface-variant); }
.rec-thumb {
  width: 100%; height: 150px; object-fit: cover; border-radius: var(--r-m);
  background: var(--c-surface-variant);
}
.img-locked {
  height: 150px; border-radius: var(--r-m); display: grid; place-items: center; gap: 6px;
  background: var(--c-surface-variant); color: var(--c-on-surface-variant); font-size: .82rem;
  border: 1px dashed var(--c-outline);
}

/* ───────────────── 列表 ───────────────── */
.list { display: flex; flex-direction: column; }
.list-item {
  display: flex; align-items: center; gap: 12px; padding: 13px 4px;
  border-bottom: 1px solid var(--c-outline-variant);
}
.list-item:last-child { border-bottom: none; }
[data-theme="glass"] .list-item { border-bottom-color: var(--glass-line); }
.list-avatar {
  width: 42px; height: 42px; border-radius: var(--r-full); flex: 0 0 auto;
  display: grid; place-items: center; font-weight: 700; font-size: .9rem;
  background: var(--c-primary-container); color: var(--c-on-primary-container);
}
.list-main { flex: 1 1 auto; min-width: 0; }
.list-title { font-weight: 600; font-size: .93rem; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.list-sub { font-size: .77rem; color: var(--c-on-surface-variant); }

/* 统计块 */
.stat { text-align: left; }
.stat-num { font-size: 1.75rem; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; }
.stat-label { font-size: .78rem; color: var(--c-on-surface-variant); }

/* 日志表 */
.log-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.log-table th {
  text-align: left; font-weight: 600; font-size: .74rem; letter-spacing: .04em;
  color: var(--c-on-surface-variant); padding: 9px 8px; text-transform: uppercase;
  border-bottom: 1px solid var(--c-outline-variant); position: sticky; top: 64px;
  background: var(--card-bg, var(--c-surface-container-low)); z-index: 2;
}
.log-table td { padding: 10px 8px; border-bottom: 1px solid var(--c-outline-variant); vertical-align: top; }
[data-theme="glass"] .log-table th { background: transparent; backdrop-filter: blur(10px); }
[data-theme="glass"] .log-table td, [data-theme="glass"] .log-table th { border-bottom-color: var(--glass-line); }
.log-table tr:hover td { background: color-mix(in srgb, var(--c-on-surface) 4%, transparent); }
.log-action {
  font-family: var(--font-mono); font-size: .72rem; padding: 2px 7px; border-radius: var(--r-xs);
  background: var(--c-secondary-container); color: var(--c-on-secondary-container); white-space: nowrap;
}
.table-wrap { overflow-x: auto; }

/* 窄屏：日志表格折叠成卡片式行，避免被挤成一列一个字 */
@media (max-width: 720px) {
  .log-table thead { display: none; }
  .log-table, .log-table tbody { display: block; width: 100%; }
  .log-table tr {
    display: block; padding: 13px 0;
    border-bottom: 1px solid var(--c-outline-variant);
  }
  .log-table tr:last-child { border-bottom: none; }
  [data-theme="glass"] .log-table tr { border-bottom-color: var(--glass-line); }
  .log-table td {
    display: block; width: auto !important; border: none; padding: 2px 0;
    line-height: 1.65;
  }
  .log-table tr:hover td { background: none; }
  .log-table td[data-label]::before {
    content: attr(data-label);
    display: inline-block; min-width: 62px;
    color: var(--c-on-surface-variant); font-size: .73rem;
  }
  .log-table td.cell-head {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    padding-bottom: 6px; font-size: .8rem;
  }
  .log-table td.cell-head .cell-user { font-weight: 650; font-size: .92rem; }
}

/* ───────────────── 对话框 / 抽屉 / 提示 ───────────────── */
#scrim {
  position: fixed; inset: 0; background: rgba(0,0,0,.42); z-index: var(--z-drawer);
  opacity: 0; transition: opacity var(--dur-medium) var(--ease-standard);
}
#scrim.show { opacity: 1; }

.dialog-scrim {
  position: fixed; inset: 0; z-index: var(--z-dialog); display: grid; place-items: center;
  padding: 16px; background: rgba(0,0,0,.45); animation: fadeIn var(--dur-short) var(--ease-standard);
}
@keyframes fadeIn { from { opacity: 0; } }
.dialog {
  width: min(560px, 100%); max-height: 88vh; overflow: auto;
  background: var(--card-bg, var(--c-surface-container-high));
  border: var(--card-border); border-radius: var(--r-xl);
  box-shadow: var(--elev-3); padding: 22px;
  backdrop-filter: var(--card-backdrop); -webkit-backdrop-filter: var(--card-backdrop);
  animation: popIn var(--dur-medium) var(--ease-emphasized);
}
.dialog.wide { width: min(880px, 100%); }
@keyframes popIn { from { opacity: 0; transform: translateY(14px) scale(.97); } }
.dialog h3 { margin-bottom: 6px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; flex-wrap: wrap; }

.drawer {
  position: fixed; top: 0; bottom: 0; left: 0; width: 280px; z-index: calc(var(--z-drawer) + 1);
  background: var(--card-bg, var(--c-surface-container-high));
  backdrop-filter: var(--card-backdrop); -webkit-backdrop-filter: var(--card-backdrop);
  border-right: var(--card-border); padding: 20px 14px;
  transform: translateX(-100%); transition: transform var(--dur-medium) var(--ease-emphasized);
  overflow-y: auto;
}
.drawer.show { transform: none; }

#snackbar {
  position: fixed; left: 50%; bottom: calc(96px + env(safe-area-inset-bottom)); z-index: var(--z-snack);
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  background: var(--c-inverse-surface); color: var(--c-inverse-on-surface);
  padding: 13px 20px; border-radius: var(--r-s); box-shadow: var(--elev-3);
  font-size: .87rem; max-width: min(92vw, 520px); transition: all var(--dur-medium) var(--ease-emphasized);
}
@media (min-width: 840px) { #snackbar { bottom: 30px; } }
#snackbar.show { opacity: 1; transform: translate(-50%, 0); }
#snackbar.err { background: var(--c-error); color: var(--c-on-error); }

/* 原图查看器 */
.viewer {
  position: fixed; inset: 0; z-index: var(--z-dialog); background: rgba(8,8,12,.9);
  display: grid; place-items: center; padding: 12px; animation: fadeIn var(--dur-short);
}
.viewer img { max-width: 100%; max-height: 86vh; border-radius: var(--r-m); box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.viewer-bar {
  position: absolute; top: 0; left: 0; right: 0; padding: 14px 16px;
  display: flex; align-items: center; gap: 10px; color: #fff;
  background: linear-gradient(to bottom, rgba(0,0,0,.65), transparent);
}
.viewer .icon-btn { color: #fff; }
.viewer .icon-btn:hover { background: rgba(255,255,255,.16); }

/* ───────────────── 登录页 ───────────────── */
.auth { min-height: 100dvh; display: grid; place-items: center; padding: 20px 14px; }
.auth-card {
  width: min(460px, 100%); padding: 26px 22px;
  background: var(--card-bg, var(--c-surface-container-low));
  border: var(--card-border); border-radius: var(--r-xl);
  box-shadow: var(--elev-2); backdrop-filter: var(--card-backdrop); -webkit-backdrop-filter: var(--card-backdrop);
}
.auth-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 20px; }
.brand-logo {
  width: 54px; height: 54px; border-radius: var(--r-m); flex: 0 0 auto;
  display: grid; place-items: center;
  background: var(--c-primary-container); color: var(--c-on-primary-container);
}
.auth-brand h1 { font-size: 1.24rem; }
[data-theme="glass"] .auth-brand h1 { text-shadow: var(--title-shadow); }
.auth .segmented { margin-bottom: 20px; }
.auth-demo { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--c-outline-variant); }
[data-theme="glass"] .auth-demo { border-top-color: var(--glass-line); }
.auth-demo .chip-row { margin-top: 9px; }

/* ───────────────── 其它 ───────────────── */
.splash {
  position: fixed; inset: 0; z-index: var(--z-splash); display: grid; place-items: center;
  align-content: center; gap: 16px; background: var(--body-bg);
}
.spinner {
  width: 38px; height: 38px; border-radius: 50%;
  border: 3px solid var(--c-outline-variant); border-top-color: var(--c-primary);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty { text-align: center; padding: 56px 20px; color: var(--c-on-surface-variant); }
.empty svg { opacity: .35; margin-bottom: 12px; }

.ocr-preview {
  width: 100%; max-height: 260px; object-fit: contain; border-radius: var(--r-m);
  background: var(--c-surface-variant);
}
.progress {
  height: 6px; border-radius: var(--r-full); background: var(--c-surface-variant); overflow: hidden;
}
.progress > i { display: block; height: 100%; background: var(--c-primary); width: 0; transition: width .3s var(--ease-standard); }

.drop {
  border: 2px dashed var(--c-outline); border-radius: var(--r-l); padding: 26px 18px;
  text-align: center; color: var(--c-on-surface-variant); cursor: pointer;
  transition: border-color var(--dur-short), background var(--dur-short);
}
.drop:hover, .drop.over { border-color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 6%, transparent); }
[data-theme="glass"] .drop { border-color: var(--glass-line); color: var(--glass-fg-dim); }

.perm-note {
  display: flex; gap: 10px; padding: 12px 14px; border-radius: var(--r-m);
  background: var(--c-tertiary-container); color: var(--c-on-tertiary-container); font-size: .82rem;
}
[data-theme="glass"] .perm-note { background: var(--glass-chip-bg); color: var(--glass-fg); border: 1px solid var(--glass-line); }

.kv { display: flex; gap: 10px; font-size: .84rem; padding: 7px 0; }
.kv b { font-weight: 600; color: var(--c-on-surface-variant); min-width: 78px; flex: 0 0 auto; }

.section-head { display: flex; align-items: center; gap: 12px; margin: 26px 0 12px; }
.section-head:first-child { margin-top: 0; }
.section-head h3 { flex: 1 1 auto; }