/* ═══════════════════════════════════════════════════════════
   学域 LearnHub — 设计语言「晨间手账 Morning Journal」
   拟物 × 清新：木桌、薄荷皮革、奶油纸、黄铜锁扣。
   挂在 style.css 之后。浅色为默认；body[data-theme="dark"] 为灯下变体。
   ═══════════════════════════════════════════════════════════ */

:root {
  --cream: #FFF8F0;
  --linen: #F3E6D4;
  --desk: #E8D2B0;
  --mint: #6FBF9A;
  --mint-deep: #4E9A7A;
  --mint-soft: #C9EBD9;
  --mint-hot: #8ED4B0;
  --sky: #7EB8D8;
  --sky-soft: #D6EEF8;
  --peach: #F3B5A5;
  --peach-deep: #E08B78;
  --peach-soft: #FFE6DC;
  --brass: #C9A36A;
  --brass-hot: #E8C98A;
  --brass-deep: #9A7540;
  --ink: #3A4540;
  --ink-soft: #5C6B64;
  --ink-faint: #8A978F;
  --coral: #E07A6A;
  --ok: #4E9A7A;
  --warn: #E0A05A;

  --bg-deep: #F3E6D4;
  --bg-panel: #FFFBF5;
  --bg-glass: #FFFBF5;
  --border-glass: color-mix(in srgb, var(--ink) 10%, transparent);
  --border-control: color-mix(in srgb, var(--mint-deep) 38%, transparent);
  --control-bg: color-mix(in srgb, var(--mint) 12%, transparent);
  --control-bg-hover: color-mix(in srgb, var(--mint) 20%, transparent);
  --control-border: color-mix(in srgb, var(--ink) 14%, transparent);

  --accent: var(--mint-deep);
  --accent-cyan: var(--sky);
  --accent2: var(--mint);
  --accent-success: var(--ok);
  --accent3: var(--sky);
  --accent-warn: var(--warn);
  --accent-pink: var(--coral);
  --accent-danger: var(--coral);
  --accent-purple: #B48BC9;

  --text: var(--ink);
  --text-primary: #3A4540;
  --text-secondary: #5C6B64;
  --text-dim: #8A978F;
  --text-on-mint: #F7FFF9;
  --text-on-brass: #3A2A12;
  --text-on-leather: #F7FFF9;

  --font-display: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", "Times New Roman", serif;
  --font-hand: "KaiTi", "STKaiti", "Kaiti SC", "Noto Serif SC", serif;
  --font-main: "Inter", "Segoe UI", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Mono", "Consolas", ui-monospace, monospace;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --space-section: 1.75rem;
  --card-padding: 1.2rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-press: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-stamp: cubic-bezier(0.2, 0.9, 0.2, 1.25);
  --transition: 220ms var(--ease-out);

  --accent-soft: color-mix(in srgb, var(--mint) 16%, transparent);
  --accent-glow: 0 10px 22px color-mix(in srgb, var(--mint-deep) 22%, transparent);
  --focus-ring: 0 0 0 3px var(--cream), 0 0 0 5px var(--mint);
  --shadow-card:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 10px 24px rgba(90, 64, 40, 0.10),
    0 2px 6px rgba(90, 64, 40, 0.06);
  --shadow-btn:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -2px 0 rgba(40, 90, 60, 0.22),
    0 6px 0 var(--mint-deep),
    0 10px 16px rgba(60, 80, 50, 0.18);
  --tex-noise: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.42  0 0 0 0 0.32  0 0 0 0 0.2  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

body[data-theme="light"],
html[data-theme="light"] {
  color-scheme: light;
}

/* 灯下手账：胡桃木桌 + 深薄荷封面，纸页仍是奶油——物件不反相 */
body[data-theme="dark"],
html[data-theme="dark"] {
  color-scheme: dark;
  --desk: #2C241C;
  --linen: #3A3228;
  --cream: #F3E6D4;
  --mint: #5AA887;
  --mint-deep: #3E7A60;
  --mint-soft: #1F3A30;
  --mint-hot: #6FBF9A;
  --sky: #6AA3C4;
  --sky-soft: #24343C;
  --peach: #D9A090;
  --peach-deep: #C07A68;
  --peach-soft: #4A322C;
  --brass: #C9A36A;
  --brass-hot: #E0C080;
  --brass-deep: #8C6A38;
  --ink: #F0E6D8;
  --ink-soft: #C9BBA8;
  --ink-faint: #8A7C6C;
  --coral: #E08B7A;
  --ok: #6FBF9A;
  --warn: #E0A05A;
  --bg-deep: #2C241C;
  --bg-panel: #F6EBDD;
  --bg-glass: #F6EBDD;
  --text: #3A4540;
  --text-primary: #3A4540;
  --text-secondary: #5C6B64;
  --text-dim: #7A6A58;
  --text-on-leather: #F6EBDD;
  --border-glass: color-mix(in srgb, #3A2A18 16%, transparent);
  --shadow-card:
    0 1px 0 rgba(255, 255, 255, 0.55) inset,
    0 14px 32px rgba(0, 0, 0, 0.32),
    0 2px 6px rgba(0, 0, 0, 0.18);
}

/* ── 木桌底 ── */
html, body {
  color-scheme: light;
  background: var(--bg-deep);
  color: var(--text-primary);
}
body {
  scrollbar-color: var(--mint) var(--linen);
}
body::-webkit-scrollbar-track { background: var(--linen); }
body::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--mint-hot), var(--mint-deep));
  border: 1px solid color-mix(in srgb, var(--cream) 50%, transparent);
  border-radius: 999px;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 18% -10%, rgba(255, 255, 255, 0.55), transparent 58%),
    radial-gradient(ellipse 50% 40% at 92% 108%, color-mix(in srgb, var(--mint) 18%, transparent), transparent 60%),
    repeating-linear-gradient(
      90deg,
      transparent 0 2px,
      rgba(120, 80, 40, 0.035) 2px 3px,
      transparent 3px 9px,
      rgba(80, 50, 20, 0.03) 9px 10px
    ),
    linear-gradient(180deg, #F6E7D2 0%, var(--desk) 42%, #D9C09A 100%);
}
body::after {
  content: '';
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0.14;
  background-image: var(--tex-noise);
  mix-blend-mode: multiply;
  animation: none;
}

body[data-theme="dark"]::before {
  background:
    radial-gradient(ellipse 70% 50% at 20% -8%, rgba(232, 201, 138, 0.18), transparent 55%),
    radial-gradient(ellipse 40% 40% at 90% 110%, rgba(80, 140, 110, 0.16), transparent 55%),
    repeating-linear-gradient(
      90deg,
      transparent 0 2px,
      rgba(20, 12, 6, 0.18) 2px 3px,
      transparent 3px 11px
    ),
    linear-gradient(180deg, #3A3228 0%, #2C241C 50%, #211A14 100%);
}
body[data-theme="dark"]::after { opacity: 0.28; mix-blend-mode: overlay; }

/* ── TOPBAR · 薄荷牛皮封面 ── */
.topbar {
  position: sticky; top: 0; z-index: 1000;
  height: 58px;
  padding: 0 1.15rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, transparent 42%),
    linear-gradient(180deg, #8ED4B0 0%, #6FBF9A 46%, #549E80 100%);
  border-bottom: 0;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -2px 0 rgba(40, 90, 64, 0.28),
    0 10px 22px rgba(80, 56, 32, 0.14);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--text-on-leather);
}
.topbar::before {
  content: '';
  position: absolute; left: 10px; right: 10px; top: 6px; bottom: 6px;
  border: 1.5px dashed rgba(255, 244, 230, 0.42);
  border-radius: 10px;
  pointer-events: none;
  opacity: 1;
  background: none;
  height: auto;
}
.topbar::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.18;
  background-image: var(--tex-noise);
  mix-blend-mode: multiply;
  border-radius: 0;
}
.topbar-brand { gap: 0.55rem; }
.brand-icon {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  font-size: 0.95rem;
  color: var(--text-on-brass);
  background:
    radial-gradient(circle at 32% 28%, var(--brass-hot), var(--brass) 46%, var(--brass-deep));
  border-radius: 50%;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    inset 0 -2px 3px rgba(80, 50, 10, 0.35),
    0 2px 0 var(--brass-deep),
    0 3px 6px rgba(60, 40, 10, 0.25);
  animation: none;
  filter: none;
  text-shadow: none;
}
.topbar-brand .brand-text {
  font-family: var(--font-display);
  font-size: 1.05rem !important;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--text-on-leather) !important;
  text-shadow: 0 1px 0 rgba(40, 80, 60, 0.35);
}
.topbar-streak { color: #FFF4E8; text-shadow: 0 1px 0 rgba(80, 40, 20, 0.25); }
.topbar-lock,
.topbar-icon-btn,
.topbar-more-btn,
#sfx-toggle, #tts-toggle, #focus-btn, #settings-btn, #lock-btn {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--text-on-leather);
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 2px 0 rgba(40, 80, 60, 0.25);
}
.topbar-lock:hover,
.topbar-icon-btn:hover,
#sfx-toggle:hover, #tts-toggle:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.18);
}
.mini-bar {
  background: rgba(40, 80, 60, 0.28);
  border-radius: 999px;
  height: 6px;
  box-shadow: inset 0 1px 2px rgba(20, 40, 30, 0.35);
}
.mini-fill {
  background: linear-gradient(90deg, var(--brass-hot), var(--peach));
  box-shadow: none;
}
.mini-pct { color: rgba(255, 248, 240, 0.85); }

body[data-theme="dark"] .topbar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 42%),
    linear-gradient(180deg, #4E8A70 0%, #3D6B58 50%, #2F5646 100%);
}

/* ── NAV · 书签 / 标签页 ── */
.topbar-nav { gap: 0.35rem; }
.nav-item {
  padding: 0.38rem 0.85rem;
  border-radius: 8px 8px 6px 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(58, 69, 64, 0.78);
  background:
    linear-gradient(180deg, #FFFCF7, #F3E6D4);
  box-shadow:
    inset 0 1px 0 #fff,
    0 3px 0 #D9C4A4,
    0 5px 8px rgba(80, 56, 32, 0.12);
  text-decoration: none;
  position: relative;
}
.nav-item:hover {
  color: var(--ink);
  background: linear-gradient(180deg, #fff, #F7EBDA);
  transform: translateY(-1px);
}
.nav-item.active {
  color: #7A4036;
  background: linear-gradient(180deg, #FFF3EC, #F3B5A5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 3px 0 #D48978,
    0 6px 10px rgba(160, 70, 50, 0.16);
}
.nav-item.active::after {
  display: none;
}

/* ── GLASS-CARD · 便签 / 卡片纸 ── */
.glass-card,
.mission-task-panel,
.section-dashboard,
.extra-card,
.modal-inner {
  --glass-edge-a: transparent;
  --glass-edge-b: transparent;
  --glass-edge-c: transparent;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), transparent 28%),
    var(--bg-panel);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  border-radius: 4px 14px 12px 8px;
  box-shadow: var(--shadow-card);
  transform: none;
  color: var(--text-primary);
}
.glass-card::after,
.extra-card::after {
  content: '';
  position: absolute; left: 18%; right: 18%; top: -7px; height: 16px;
  background:
    repeating-linear-gradient(
      -18deg,
      transparent 0 3px,
      color-mix(in srgb, var(--mint) 35%, transparent) 3px 5px
    ),
    linear-gradient(180deg, color-mix(in srgb, var(--mint-soft) 90%, #fff), var(--mint-soft));
  border-radius: 2px;
  opacity: 0.95;
  transform: none;
  pointer-events: none;
  box-shadow: 0 1px 2px rgba(80, 56, 32, 0.12);
}
.glass-card:hover {
  border-color: color-mix(in srgb, var(--ink) 12%, transparent);
  transform: translateY(-2px) rotate(-0.15deg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 16px 32px rgba(90, 64, 40, 0.14),
    0 4px 8px rgba(90, 64, 40, 0.08);
}
.glass-card:hover::after { transform: none; opacity: 0.95; }
.stat-card.glass-card::after { display: none; }

.mission-quote-block {
  background:
    repeating-linear-gradient(
      transparent 0 26px,
      color-mix(in srgb, var(--sky) 16%, transparent) 26px 27px
    ),
    #FFFBF5;
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  border-left: 3px solid var(--peach);
  border-radius: 2px 10px 10px 2px;
  box-shadow: 0 4px 12px rgba(90, 64, 40, 0.06);
}
.quote-text { color: var(--text-secondary); font-family: var(--font-hand); }
.mission-badge {
  background: var(--peach-soft);
  color: #7A4036;
  border: 1px solid color-mix(in srgb, var(--peach) 50%, transparent);
  box-shadow: inset 0 1px 0 #fff;
  letter-spacing: 0.12em;
}
.pulse-glow { animation: none; }

.mission-task-panel {
  background:
    repeating-linear-gradient(
      transparent 0 31px,
      color-mix(in srgb, var(--sky) 14%, transparent) 31px 32px
    ),
    #FFFBF5;
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  box-shadow: var(--shadow-card);
}

/* ── BTN · 实心立体按钮 ── */
.btn-neon,
.btn-glass,
button.btn-neon,
button.btn-glass {
  position: relative;
  overflow: hidden;
  padding: 0.62rem 1.35rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 140ms var(--ease-press), box-shadow 140ms var(--ease-press), filter 140ms ease;
}
.btn-neon {
  border: 0;
  background: linear-gradient(180deg, var(--mint-hot) 0%, var(--mint) 48%, var(--mint-deep) 100%);
  color: var(--text-on-mint);
  box-shadow: var(--shadow-btn);
  text-shadow: 0 1px 0 rgba(40, 80, 60, 0.25);
}
.btn-neon::after {
  content: '';
  position: absolute; inset: auto auto auto 0;
  top: 0; left: 0; right: 0; height: 48%; width: auto;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.38), transparent);
  opacity: 1;
  transform: none;
  pointer-events: none;
  border-radius: 12px 12px 40% 40%;
}
.btn-neon:hover:not(:disabled) {
  background: linear-gradient(180deg, #9BDCBA 0%, var(--mint) 50%, var(--mint-deep) 100%);
  filter: none;
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 0 -2px 0 rgba(40, 90, 60, 0.22),
    0 7px 0 var(--mint-deep),
    0 12px 18px rgba(60, 80, 50, 0.2);
}
.btn-neon:hover:not(:disabled)::after { transform: none; opacity: 1; }
.btn-neon:active:not(:disabled),
.btn-neon.is-pressing:not(:disabled) {
  transform: translateY(5px);
  box-shadow:
    inset 0 2px 4px rgba(40, 90, 60, 0.35),
    0 1px 0 var(--mint-deep),
    0 2px 6px rgba(60, 80, 50, 0.16);
}
.btn-neon:disabled {
  opacity: 0.45; cursor: not-allowed;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 3px 0 color-mix(in srgb, var(--mint-deep) 55%, #888);
}

.btn-glass {
  border: 0;
  background: linear-gradient(180deg, #FFFCF7, #EFE0CC);
  color: var(--ink-soft);
  box-shadow:
    inset 0 1px 0 #fff,
    0 4px 0 #D4C0A4,
    0 7px 12px rgba(80, 56, 32, 0.12);
}
.btn-glass:hover {
  color: var(--ink);
  border-color: transparent;
  transform: translateY(-1px);
}
.btn-glass:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 2px 3px rgba(80, 56, 32, 0.18),
    0 1px 0 #D4C0A4;
}

.mission-actions .btn-icon {
  background: linear-gradient(180deg, #FFFCF7, #F0E2CE);
  box-shadow:
    inset 0 1px 0 #fff,
    0 3px 0 #D4C0A4,
    0 5px 8px rgba(80, 56, 32, 0.1);
  border: 0;
}
.mission-actions .btn-icon:hover {
  transform: translateY(-1px);
  filter: none;
  box-shadow:
    inset 0 1px 0 #fff,
    0 4px 0 #D4C0A4,
    0 8px 12px rgba(80, 56, 32, 0.12);
}

/* ── STAT-CARD · 台历计数器 ── */
.stat-card {
  text-align: center;
  padding: 1.15rem 0.7rem 0.95rem;
  background:
    linear-gradient(180deg, #FFFDF9, #FFF6EA);
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; left: 14%; right: 14%; top: 10px; height: 8px;
  background:
    radial-gradient(circle at 18% 50%, var(--brass) 0 3px, transparent 3.5px),
    radial-gradient(circle at 82% 50%, var(--brass) 0 3px, transparent 3.5px);
  opacity: 0.9;
  pointer-events: none;
}
.stat-card-icon { font-size: 1.05rem; opacity: 0.8; margin-bottom: 0.15rem; }
.stat-card-value {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 1px 0 #fff;
  color: var(--ink);
}
.stat-card-label {
  margin-top: 0.2rem;
  font-family: var(--font-hand);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--text-dim);
}
#stat-today-time { color: var(--sky); }
#stat-streak { color: var(--peach-deep); }
#stat-completed-days { color: var(--mint-deep); }
#stat-level { color: var(--brass-deep); }
.stat-ring-svg { opacity: 0.22; }
.stat-card.glass-card:hover { transform: translateY(-2px); }
.stat-card.glass-card:hover::after { display: none; }

/* ── TASK-CHECK · 手绘勾 / 盖章 ── */
.task-check {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 0.7rem 0.35rem;
  border-bottom: 1px dashed color-mix(in srgb, var(--sky) 28%, transparent);
  border-radius: 0;
  cursor: pointer;
  transition: background var(--transition);
}
.task-check:hover { background: color-mix(in srgb, var(--peach-soft) 55%, transparent); }
.task-check input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
  pointer-events: none;
}
.task-check-mark {
  position: relative;
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
  border-radius: 6px;
  border: 1.5px solid #D5C6B2;
  background:
    linear-gradient(180deg, #FFFDF9, #F4E8D6);
  box-shadow:
    inset 0 1px 2px rgba(80, 56, 32, 0.16),
    0 1px 0 #fff;
  display: grid; place-items: center;
  clip-path: none;
}
.task-check.done .task-check-mark,
.task-check input:checked + .task-check-mark {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.task-check.done .task-check-mark::after,
.task-check input:checked + .task-check-mark::after {
  content: '✓';
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--coral);
  color: var(--coral);
  font-family: var(--font-hand);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 22px;
  text-align: center;
  transform: rotate(-14deg);
  animation: stamp-in 420ms var(--ease-stamp) both;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--coral) 35%, transparent);
  background: color-mix(in srgb, var(--peach-soft) 70%, transparent);
}
.task-check-text {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.55;
}
.task-check input:checked ~ .task-check-text,
.task-check.done .task-check-text {
  color: var(--text-dim);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  text-decoration-color: color-mix(in srgb, var(--peach) 70%, transparent);
}
@keyframes stamp-in {
  0%   { transform: rotate(-32deg) scale(1.55); opacity: 0; filter: blur(0.6px); }
  58%  { transform: rotate(-8deg) scale(0.9); opacity: 1; filter: none; }
  100% { transform: rotate(-14deg) scale(1); }
}

/* ── DASH / PATH / TOOLBOX ── */
.section-dashboard {
  background: var(--bg-panel);
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  box-shadow: var(--shadow-card);
  backdrop-filter: none;
}
.dash-tabs {
  background: color-mix(in srgb, var(--linen) 70%, #fff);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}
.dash-tab {
  color: var(--text-dim);
  font-weight: 700;
}
.dash-tab:hover { color: var(--text-secondary); }
.dash-tab.active {
  color: var(--mint-deep);
  background: linear-gradient(180deg, #FFFCF7, transparent);
}
.dash-tab.active::after {
  background: var(--peach);
  box-shadow: none;
  height: 3px;
  border-radius: 3px 3px 0 0;
}
.section-title-glow {
  font-family: var(--font-display);
  color: var(--ink);
  text-shadow: 0 1px 0 #fff;
  letter-spacing: 0.08em;
}
.section-subtitle { color: var(--text-dim); }
.tool-card {
  background: var(--bg-panel);
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.tool-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--mint) 40%, transparent);
}
.tool-name { color: var(--ink); }
.tool-desc { color: var(--text-dim); }

.footer-mini {
  color: var(--text-dim);
  background: transparent;
  border-top: 1px dashed color-mix(in srgb, var(--ink) 12%, transparent);
}
.footer-sync-btn {
  background: var(--bg-panel);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  color: var(--ink-soft);
  border-radius: 10px;
}

.loader {
  background:
    radial-gradient(ellipse at 50% 30%, rgba(255, 255, 255, 0.5), transparent 50%),
    var(--linen);
}
.loader-ring {
  border: 3px solid color-mix(in srgb, var(--mint) 22%, transparent);
  border-top-color: var(--mint-deep);
  box-shadow: 0 4px 0 color-mix(in srgb, var(--mint-deep) 25%, transparent);
}
.loader-text { color: var(--text-secondary); font-family: var(--font-hand); }

.modal-glass {
  background: color-mix(in srgb, var(--desk) 28%, rgba(40, 30, 20, 0.28));
  backdrop-filter: blur(10px);
}
.modal-inner {
  background: var(--bg-panel);
  color: var(--text-primary);
  box-shadow: 0 24px 48px rgba(40, 28, 16, 0.22);
}

.task-tier-tab {
  background: #FFFBF5;
  border: 1px solid #E4D5C2;
  color: var(--text-dim);
  border-radius: 8px;
}
.task-tier-tab.active {
  border-color: var(--mint-deep);
  color: var(--mint-deep);
  background: var(--mint-soft);
  box-shadow: inset 0 1px 0 #fff;
}
.task-tier-tab.done {
  border-color: var(--peach);
  color: var(--peach-deep);
  background: var(--peach-soft);
}

input, textarea, select {
  accent-color: var(--mint-deep);
}

/* ── SPLASH · 打开一本手账的锁扣 ── */
.splash {
  position: fixed; inset: 0; z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem 1.2rem;
  background:
    radial-gradient(ellipse 70% 55% at 18% 0%, rgba(255, 255, 255, 0.72), transparent 58%),
    radial-gradient(ellipse 45% 40% at 88% 100%, color-mix(in srgb, var(--mint) 22%, transparent), transparent 55%),
    repeating-linear-gradient(
      90deg,
      transparent 0 2px,
      rgba(120, 80, 40, 0.04) 2px 3px,
      transparent 3px 10px
    ),
    linear-gradient(180deg, #F8EBDA 0%, #E8D2B0 46%, #D4B68A 100%);
  color: var(--ink);
}
.splash.hidden { visibility: hidden; pointer-events: none; }
.splash::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.16;
  background-image: var(--tex-noise);
  mix-blend-mode: multiply;
}
.splash::after { display: none; }

.desk-sun, .desk-plant, .desk-pen { position: absolute; pointer-events: none; }
.desk-sun {
  width: 280px; height: 280px; left: -40px; top: -80px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.7), transparent 68%);
}
.desk-plant {
  width: 88px; height: 110px; left: 4vw; bottom: 7vh;
  background:
    radial-gradient(ellipse at 50% 88%, #C9A36A 0 18px, transparent 19px),
    radial-gradient(ellipse at 50% 42%, #6FBF9A 0 22px, transparent 23px),
    radial-gradient(ellipse at 28% 50%, #4E9A7A 0 16px, transparent 17px),
    radial-gradient(ellipse at 72% 48%, #8ED4B0 0 14px, transparent 15px);
  opacity: 0.9;
  filter: drop-shadow(0 10px 8px rgba(80, 56, 32, 0.18));
}
.desk-pen {
  width: 160px; height: 10px;
  right: 6vw; bottom: 11vh;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--peach-deep) 0 18px, #F3B5A5 18px 78%, var(--brass) 78% 88%, #3A4540 88%);
  transform: rotate(-18deg);
  box-shadow: 0 6px 8px rgba(80, 56, 32, 0.16);
}

.journal {
  position: relative;
  display: grid;
  grid-template-columns: minmax(168px, 230px) minmax(260px, 1fr);
  width: min(860px, 94vw);
  min-height: 520px;
  filter:
    drop-shadow(0 28px 36px rgba(80, 52, 28, 0.22))
    drop-shadow(0 8px 10px rgba(80, 52, 28, 0.12));
  transform-origin: 18% 50%;
  transition: transform 640ms var(--ease-out), filter 640ms var(--ease-out);
}
.journal-cover {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  padding: 2rem 1.1rem;
  border-radius: 14px 0 0 14px;
  background:
    linear-gradient(105deg, rgba(255, 255, 255, 0.22) 0%, transparent 36%),
    linear-gradient(180deg, #8ED4B0 0%, #6FBF9A 42%, #4E9A7A 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    inset -14px 0 18px rgba(40, 80, 60, 0.18);
  color: var(--text-on-leather);
  overflow: hidden;
}
.journal-cover::before {
  content: '';
  position: absolute; inset: 10px;
  border: 1.5px dashed rgba(255, 244, 230, 0.42);
  border-radius: 8px;
  pointer-events: none;
}
.journal-cover::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.22;
  background-image: var(--tex-noise);
  mix-blend-mode: multiply;
}
.cover-emboss {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 8vw, 5.4rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.08em;
  color: rgba(255, 248, 240, 0.92);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.35),
    0 -1px 0 rgba(40, 80, 60, 0.35),
    0 10px 18px rgba(40, 80, 60, 0.18);
}
.cover-wordmark {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  opacity: 0.88;
}
.cover-year {
  font-family: var(--font-hand);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  opacity: 0.75;
}
.journal-page,
.splash-inner {
  position: relative;
  background:
    linear-gradient(90deg, rgba(80, 56, 32, 0.06) 0 10px, transparent 18px),
    repeating-linear-gradient(
      transparent 0 31px,
      color-mix(in srgb, var(--sky) 18%, transparent) 31px 32px
    ),
    linear-gradient(180deg, #FFFDF9, #FFF6EA);
  background-size: auto, 100% 32px, auto;
  background-position: 0 0, 0 72px, 0 0;
  border-radius: 0 16px 16px 0;
  padding: 2rem 2.5rem 2.1rem 2.6rem;
  box-shadow:
    inset 18px 0 16px -16px rgba(80, 56, 32, 0.18),
    inset 0 1px 0 #fff;
  text-align: left;
  width: auto;
  min-width: 0;
}
.journal-page::before {
  content: '';
  position: absolute;
  left: 28px; top: 18px; bottom: 18px;
  width: 2px;
  background: color-mix(in srgb, var(--peach) 55%, transparent);
  border-radius: 2px;
}
.page-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 0.85rem;
  padding-left: 0.4rem;
}
.page-kicker, .page-vol, .splash-kicker {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.splash-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: 0 0 0.3rem;
  padding-left: 0.4rem;
}
.splash-ver {
  font-family: var(--font-hand);
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0 0 1.15rem;
  padding-left: 0.4rem;
  letter-spacing: 0.06em;
}
.pw-gate {
  display: flex; flex-direction: column; align-items: stretch;
  gap: 0.2rem;
  margin: 0;
  padding-left: 0.4rem;
  max-width: 360px;
}
.pw-label {
  font-family: var(--font-hand);
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  margin-top: 0.7rem;
  text-transform: none;
}
.pw-input {
  width: 100%;
  padding: 0.55rem 0.2rem 0.5rem;
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid color-mix(in srgb, var(--sky) 55%, #C9B9A4);
  border-radius: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  outline: none;
  box-shadow: none;
}
#pw-input { font-size: 1.22rem; letter-spacing: 0.22em; }
.pw-input:focus {
  border-bottom-color: var(--mint-deep);
  box-shadow: 0 1px 0 var(--mint-deep);
}
.pw-input::placeholder {
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  font-family: var(--font-main);
  font-size: 0.88rem;
}
.pw-error {
  min-height: 1.2em;
  font-size: 0.78rem;
  font-family: var(--font-hand);
  color: var(--coral);
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}
.pw-remember {
  display: flex; align-items: center; gap: 0.55rem;
  margin-top: 0.7rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  font-family: var(--font-hand);
}
.pw-remember input {
  position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none;
}
.pw-tick {
  width: 16px; height: 16px;
  border-radius: 4px;
  background: linear-gradient(180deg, #FFFDF9, #F0E2CE);
  box-shadow: inset 0 1px 2px rgba(80, 56, 32, 0.18), 0 1px 0 #fff;
  border: 1.5px solid #D5C6B2;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.pw-remember input:checked + .pw-tick {
  background: var(--mint);
  border-color: var(--mint-deep);
}
.pw-remember input:checked + .pw-tick::after {
  content: '';
  width: 4px; height: 7px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

/* 黄铜锁扣 */
.pw-submit {
  position: absolute;
  right: -26px;
  top: 42%;
  transform: translateY(-50%);
  z-index: 6;
  width: 68px; height: 138px;
  min-width: 68px; min-height: 138px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  display: grid; place-items: center;
  box-shadow: none;
  outline: none;
  letter-spacing: 0;
}
.clasp-plate {
  position: relative;
  width: 54px; height: 124px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.35rem;
  border-radius: 10px 14px 14px 10px;
  background:
    linear-gradient(180deg, var(--brass-hot) 0%, var(--brass) 42%, var(--brass-deep) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.62),
    inset 0 -3px 5px rgba(80, 50, 10, 0.32),
    4px 10px 16px rgba(80, 50, 16, 0.28);
  color: var(--text-on-brass);
  transition: transform 160ms var(--ease-press), box-shadow 160ms var(--ease-press);
}
.clasp-hasp {
  width: 28px; height: 18px;
  border: 3px solid color-mix(in srgb, #3A2A12 55%, var(--brass-deep));
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  transform-origin: 50% 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent);
  transition: transform 420ms var(--ease-out);
}
.clasp-pin {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff6, var(--brass-deep));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 1px 2px rgba(40, 20, 0, 0.35);
}
.clasp-face {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  writing-mode: vertical-rl;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
}
.pw-submit:hover .clasp-plate {
  filter: brightness(1.05);
  transform: translateY(-1px);
}
.pw-submit:active .clasp-plate,
.pw-submit.is-unlatching .clasp-plate {
  transform: translateY(4px);
  box-shadow:
    inset 0 2px 6px rgba(80, 50, 10, 0.4),
    2px 3px 6px rgba(80, 50, 16, 0.2);
}
.pw-submit.is-unlatching .clasp-hasp {
  transform: rotate(-72deg);
}
.pw-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.pw-submit:focus-visible .clasp-plate { box-shadow: var(--focus-ring), 4px 10px 16px rgba(80, 50, 16, 0.28); }

.bookmark-ribbon {
  position: absolute;
  right: 72px; top: -18px;
  width: 18px; height: 92px;
  background: linear-gradient(180deg, var(--peach) 0%, var(--peach-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
  box-shadow: 2px 6px 10px rgba(160, 70, 50, 0.2);
  z-index: 4;
}

.journal.is-opening {
  transform: rotate(-6deg) translateY(8px) scale(0.98);
  filter: drop-shadow(0 18px 24px rgba(80, 52, 28, 0.16));
}
.journal.is-opening .journal-cover {
  transform: translateX(-8px);
  filter: brightness(1.05);
}
.splash.is-opening {
  opacity: 0;
  transition: opacity 420ms 260ms ease;
}

@keyframes clasp-wiggle {
  0%, 100% { transform: translateY(-50%) rotate(0deg); }
  40% { transform: translateY(-50%) rotate(-3deg); }
  70% { transform: translateY(-50%) rotate(2deg); }
}

@media (max-width: 720px) {
  .splash { align-items: flex-start; padding: 1.1rem 0.9rem 1.4rem; }
  .desk-plant, .desk-pen, .desk-sun { display: none; }
  .journal {
    grid-template-columns: 1fr;
    min-height: 0;
    width: 100%;
    margin-top: 0.4rem;
  }
  .journal-cover {
    min-height: 92px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.15rem;
    border-radius: 16px 16px 0 0;
  }
  .cover-emboss { font-size: 2.4rem; }
  .journal-page, .splash-inner {
    border-radius: 0 0 16px 16px;
    padding: 1.25rem 1.15rem 5.4rem 1.3rem;
  }
  .journal-page::before { left: 14px; }
  .pw-gate { max-width: none; }
  .pw-input { width: 100%; }
  .bookmark-ribbon { right: 28px; top: -12px; height: 64px; }
  .pw-submit {
    right: 14px; left: 14px; top: auto; bottom: 14px;
    transform: none;
    width: auto; height: 56px;
    min-width: 0; min-height: 56px;
  }
  .clasp-plate {
    width: 100%; height: 52px;
    flex-direction: row;
    border-radius: 12px;
    gap: 0.6rem;
  }
  .clasp-face { writing-mode: horizontal-tb; letter-spacing: 0.32em; }
  .clasp-hasp { width: 22px; height: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .journal, .clasp-hasp, .splash.is-opening, .glass-card, .btn-neon, .nav-item {
    transition: none !important;
    animation: none !important;
  }
  .task-check.done .task-check-mark::after,
  .task-check input:checked + .task-check-mark::after,
  .pw-submit, .pw-submit.is-unlatching { animation: none !important; }
}

button:focus-visible, a:focus-visible, select:focus-visible,
input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--mint-deep);
  outline-offset: 2px;
}

/* ── 兜底: 基线 style.css 在 body[data-theme="light"] 上声明的变量会压过本文件 :root 的继承值,
      此处用同等选择器权重 + 更晚的顺序夺回手账调色板 ── */
body[data-theme="light"] {
  --cinnabar: var(--coral);
  --brass: #C9A36A;
  --pine: #4E9A7A;
  --ochre: #E0A05A;
  --bg-deep: #F3E6D4;
  --bg-panel: #FFFBF5;
  --bg-glass: #FFFBF5;
  --border-glass: color-mix(in srgb, var(--ink) 10%, transparent);
  --text: #3A4540;
  --text-primary: #3A4540;
  --text-secondary: #5C6B64;
  --text-dim: #8A978F;
  --shadow-card:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 10px 24px rgba(90, 64, 40, 0.10),
    0 2px 6px rgba(90, 64, 40, 0.06);
}