/* ── 主题变量 ──────────────────── */
:root, [data-theme="default"] {
  --bg: #f6f7f9;
  --card-bg: #ffffff;
  --text: #222222;
  --text-secondary: #555555;
  --text-muted: #888888;
  --border: #e5e7eb;
  --border-strong: #d0d4da;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eef2ff;
  --primary-soft: #f0f7ff;
  --accent: #2563eb;
  --error: #dc2626;
  --success: #059669;
  --guide-bg: #fef9e7;
  --guide-border: #fce7a3;
  --guide-text: #5a4a10;
}
[data-theme="cherry"] {
  --bg: #f6ebe8;
  --card-bg: #ffffff;
  --text: #2a1818;
  --text-secondary: #6b4f4a;
  --text-muted: #8a6f6b;
  --border: #d8c8c2;
  --border-strong: #BFB5AF;
  --primary: #A86D61;
  --primary-hover: #681515;
  --primary-light: #f4e4df;
  --primary-soft: #faf0ed;
  --accent: #DC1716;
  --error: #DC1716;
  --success: #5a8a5a;
  --guide-bg: #fbf3ec;
  --guide-border: #e6d3c4;
  --guide-text: #5a3a25;
}
[data-theme="rose"] {
  --bg: #f8e9eb;
  --card-bg: #ffffff;
  --text: #3D151B;
  --text-secondary: #774047;
  --text-muted: #9A666B;
  --border: #ecd2d6;
  --border-strong: #DAB2B5;
  --primary: #9A666B;
  --primary-hover: #774047;
  --primary-light: #f7e2e6;
  --primary-soft: #fdf3f5;
  --accent: #C4828F;
  --error: #b53d4a;
  --success: #6a8d6e;
  --guide-bg: #fbeef0;
  --guide-border: #e8c8ce;
  --guide-text: #5a2a30;
}
[data-theme="ocean"] {
  --bg: #eff5f7;
  --card-bg: #ffffff;
  --text: #051D25;
  --text-secondary: #3A747D;
  --text-muted: #70A1A9;
  --border: #d4e3e6;
  --border-strong: #A9C7CE;
  --primary: #3A747D;
  --primary-hover: #0D454E;
  --primary-light: #e0ecef;
  --primary-soft: #ecf3f4;
  --accent: #70A1A9;
  --error: #b35450;
  --success: #4a7d6a;
  --guide-bg: #eef4f5;
  --guide-border: #c3d8db;
  --guide-text: #1c4148;
}
[data-theme="sakura"] {
  --bg: #f5e8ee;
  --card-bg: #ffffff;
  --text: #16131F;
  --text-secondary: #4A3F4B;
  --text-muted: #806C79;
  --border: #ddc9d3;
  --border-strong: #C1A0AC;
  --primary: #4A3F4B;
  --primary-hover: #16131F;
  --primary-light: #ece0e6;
  --primary-soft: #f4ecf0;
  --accent: #806C79;
  --error: #a44a5a;
  --success: #6a7a6a;
  --guide-bg: #f0e3e9;
  --guide-border: #d6becb;
  --guide-text: #2c1f2a;
}

* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  transition: background-color .2s, color .2s;
}

/* 主题渐变背景（模仿色卡光晕） */
[data-theme="cherry"] body {
  background-image:
    radial-gradient(ellipse 900px 500px at 12% 8%, rgba(168, 109, 97, 0.30) 0%, transparent 55%),
    radial-gradient(ellipse 700px 500px at 95% 95%, rgba(104, 21, 21, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse 500px 300px at 60% 50%, rgba(220, 23, 22, 0.05) 0%, transparent 60%),
    linear-gradient(135deg, #faf2ef 0%, #f1e2dd 100%);
}
[data-theme="rose"] body {
  background-image:
    radial-gradient(ellipse 800px 500px at 15% 10%, rgba(196, 130, 143, 0.30) 0%, transparent 55%),
    radial-gradient(ellipse 700px 500px at 92% 92%, rgba(154, 102, 107, 0.28) 0%, transparent 55%),
    radial-gradient(ellipse 500px 300px at 70% 30%, rgba(218, 178, 181, 0.40) 0%, transparent 55%),
    linear-gradient(140deg, #fbeef1 0%, #f3dde2 100%);
}
[data-theme="ocean"] body {
  background-image:
    radial-gradient(ellipse 900px 500px at 10% 5%, rgba(58, 116, 125, 0.32) 0%, transparent 55%),
    radial-gradient(ellipse 700px 500px at 95% 95%, rgba(13, 69, 78, 0.30) 0%, transparent 55%),
    radial-gradient(ellipse 600px 400px at 50% 60%, rgba(112, 161, 169, 0.22) 0%, transparent 55%),
    linear-gradient(135deg, #eaf2f4 0%, #d4e3e6 100%);
}
[data-theme="sakura"] body {
  background-image:
    radial-gradient(ellipse 800px 500px at 18% 12%, rgba(193, 160, 172, 0.32) 0%, transparent 55%),
    radial-gradient(ellipse 700px 500px at 90% 90%, rgba(74, 63, 75, 0.30) 0%, transparent 55%),
    radial-gradient(circle 200px at 75% 25%, rgba(240, 217, 228, 0.55) 0%, transparent 60%),
    radial-gradient(circle 180px at 30% 75%, rgba(240, 217, 228, 0.45) 0%, transparent 60%),
    linear-gradient(155deg, #f1e3ea 0%, #e3cfd8 100%);
}

/* 让 card 有半透明玻璃感，让背景渐变隐约透出 */
[data-theme="cherry"] .card,
[data-theme="rose"] .card,
[data-theme="ocean"] .card,
[data-theme="sakura"] .card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
[data-theme="cherry"] .timer,
[data-theme="rose"] .timer,
[data-theme="ocean"] .timer,
[data-theme="sakura"] .timer {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.container { max-width: 960px; margin: 0 auto; padding: 24px; }
.card {
  background: var(--card-bg); border-radius: 10px; padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,.06); margin-bottom: 16px;
}
h1 { font-size: 22px; margin: 0 0 16px; color: var(--text); }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--text-secondary); }
label { display: block; font-weight: 600; margin: 12px 0 6px; font-size: 14px; color: var(--text); }
.hint { color: var(--text-muted); font-size: 12px; font-weight: normal; margin-left: 6px; }
input[type=text], input[type=password], input[type=datetime-local], textarea, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 6px;
  font-size: 14px; font-family: inherit; background: var(--card-bg); color: var(--text);
}
textarea { min-height: 70px; resize: vertical; }
button {
  background: var(--primary); color: #fff; border: 0; border-radius: 6px;
  padding: 10px 20px; font-size: 14px; cursor: pointer;
  transition: background-color .15s;
}
button:hover { background: var(--primary-hover); }
button.secondary { background: var(--text-muted); }
button.secondary:hover { background: var(--text-secondary); }
.row { display: flex; gap: 12px; align-items: center; }
.row > * { flex: 1; }
.slider-wrap { display: flex; align-items: center; gap: 12px; }
.slider-wrap input[type=range] { flex: 1; accent-color: var(--primary); }
.slider-value {
  min-width: 48px; text-align: center; padding: 4px 8px;
  background: var(--primary-light); border-radius: 4px; color: var(--primary); font-weight: 600;
}
.timer {
  position: sticky; top: 0; background: var(--card-bg);
  padding: 12px 180px 12px 16px; border-bottom: 1px solid var(--border);
  font-size: 16px; font-weight: 600; color: var(--primary);
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
  z-index: 10;
}
.timer-left { display: flex; align-items: center; gap: 12px; flex-wrap: nowrap; }
.timer-right { display: flex; align-items: center; gap: 12px; flex-wrap: nowrap; }
.timer-right .muted, .timer-user { white-space: nowrap; font-size: 13px; font-weight: 400; color: var(--text-muted); }
.timer button.btn-sm {
  padding: 6px 12px; font-size: 12px; flex-shrink: 0;
}
.timer.expired { color: var(--error); }
.error { color: var(--error); font-size: 13px; margin-top: 8px; }
.success { color: var(--success); font-size: 13px; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--bg); color: var(--text); font-weight: 600; cursor: pointer; user-select: none; }
tr:hover td { background: var(--primary-soft); }
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input { flex: 1; min-width: 200px; }
.tag { display: inline-block; padding: 2px 8px; background: var(--primary-light); color: var(--primary); border-radius: 10px; font-size: 12px; }
.detail-row { background: var(--bg) !important; }
.detail-row td { padding: 16px; }
.detail-grid { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; }
.detail-grid dt { font-weight: 600; color: var(--text-secondary); }
.detail-grid dd { margin: 0; white-space: pre-wrap; color: var(--text); }
.muted { color: var(--text-muted); font-size: 12px; }
nav.top { display: flex; justify-content: space-between; align-items: center; padding: 10px 24px; padding-right: 170px; background: var(--card-bg); border-bottom: 1px solid var(--border); color: var(--text); }
nav.top a { color: var(--primary); text-decoration: none; margin-right: 0; }
nav.top a.nav-btn {
  display: inline-flex; align-items: center;
  padding: 6px 14px; border-radius: 6px;
  border: 1px solid var(--primary); color: var(--primary);
  font-size: 13px; font-weight: 500;
  background: transparent; transition: background .15s, color .15s;
}
nav.top a.nav-btn:hover { background: var(--primary); color: #fff; }

/* ── 情绪主类卡片 ────────────────────── */
.emo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 8px; }
@media (max-width: 480px) { .emo-grid { grid-template-columns: repeat(2, 1fr); } }
.emo-card {
  background: var(--card-bg); border: 1px solid var(--border); border-left: 4px solid #888;
  border-radius: 8px; padding: 12px 14px; cursor: pointer; user-select: none;
  color: var(--text);
  transition: transform .05s, box-shadow .15s;
}
.emo-card:hover { box-shadow: 0 2px 6px rgba(0,0,0,.08); }
.emo-card:active { transform: scale(.98); }
.emo-card-zh { font-weight: 600; font-size: 15px; }
.emo-card-en { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ── 选中情绪条形图 ────────────────── */
.emo-bars { display: flex; flex-direction: column; gap: 8px; padding: 8px 0; }
.emo-bar-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.emo-bar-label { width: 64px; flex-shrink: 0; color: var(--text); font-weight: 500; }
.emo-bar-track {
  flex: 1; height: 10px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}
.emo-bar-fill { height: 100%; border-radius: 6px; transition: width .2s; }
.emo-bar-pct { width: 42px; text-align: right; font-weight: 600; font-size: 12px; }
.emo-bar-del {
  width: 18px; height: 18px; line-height: 16px; text-align: center;
  border-radius: 50%; background: var(--bg); color: var(--text-muted); font-size: 14px;
  cursor: pointer; user-select: none; flex-shrink: 0;
}
.emo-bar-del:hover { background: var(--primary-light); color: var(--error); }

/* ── chips 通用 ────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-block; padding: 6px 14px; border-radius: 16px;
  border: 1px solid var(--border-strong); background: var(--card-bg); color: var(--text);
  cursor: pointer; font-size: 13px; user-select: none; transition: background .1s;
}
.chip:hover { background: var(--primary-soft); }
.chip-active { background: var(--primary); color: #fff; border-color: var(--primary); }
.chip-active:hover { background: var(--primary-hover); }
.distortion-hint {
  margin-top: 10px; padding: 10px 12px; background: var(--primary-soft);
  border-left: 3px solid var(--primary); border-radius: 4px; font-size: 13px; color: var(--text);
}
.distortion-hint b { color: var(--primary); margin-right: 6px; }

/* ── 引导问题卡 ────────────────────── */
.guide-card {
  background: var(--guide-bg); border: 1px solid var(--guide-border); border-radius: 6px;
  padding: 12px; margin-bottom: 10px; font-size: 13px; color: var(--guide-text);
}
.guide-card .guide-title { font-weight: 600; margin-bottom: 6px; }
.guide-card .guide-q { padding: 2px 0; }

/* ── 情绪选择器底部抽屉 ───────────── */
.ep-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 100;
  animation: fadeIn .15s;
}
.ep-sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 101;
  background: var(--card-bg); color: var(--text); border-radius: 16px 16px 0 0;
  padding: 8px 16px 20px; max-height: 80vh; overflow-y: auto;
  animation: slideUp .2s;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes slideUp { from { transform: translateY(100%) } to { transform: translateY(0) } }
.ep-handle { width: 36px; height: 4px; border-radius: 2px; background: var(--border-strong); margin: 6px auto 12px; }
.ep-header { display: flex; align-items: center; justify-content: space-between; padding: 0 0 12px; }
.ep-nav { color: var(--text-muted); cursor: pointer; font-size: 13px; user-select: none; }
.ep-nav:hover { color: var(--text-secondary); }
.ep-title { font-weight: 600; font-size: 16px; }
.ep-options-wrap { padding: 4px 0; }
.ep-hint { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.ep-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ep-chip {
  padding: 6px 14px; border-radius: 16px; border: 1px solid #888;
  background: var(--card-bg);
  cursor: pointer; user-select: none; font-size: 13px;
}
.ep-chip:hover { background: var(--primary-soft); }
.ep-sep {
  display: flex; align-items: center; gap: 10px; margin: 14px 0 8px;
  font-size: 11px; color: var(--text-muted);
}
.ep-sep-line { flex: 1; height: 1px; background: var(--border); }
.ep-slider-block { padding: 6px 0; }
.ep-slider-label { font-size: 13px; color: var(--text); }
.ep-slider-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; font-size: 11px; }
.ep-slider-row input { flex: 1; }
.ep-slider-val { text-align: center; font-size: 16px; font-weight: 700; margin-top: 6px; }
.ep-footer { margin-top: 14px; }
.ep-confirm {
  width: 100%; padding: 12px; border: 0; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
}

/* ── 主题切换器 ─────────────────────── */
#theme-picker {
  position: fixed; top: 12px; right: 16px; z-index: 200;
  font-family: inherit;
}
#theme-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--card-bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 6px;
  padding: 6px 10px; font-size: 12px; cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
#theme-toggle:hover { background: var(--primary-soft); }
.theme-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  border: 1px solid rgba(0,0,0,.1);
}
.theme-caret { font-size: 10px; color: var(--text-muted); }
#theme-menu {
  position: absolute; top: 100%; right: 0; margin-top: 4px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 6px; min-width: 150px; box-shadow: 0 4px 12px rgba(0,0,0,.12);
  overflow: hidden;
}
.theme-opt {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; font-size: 13px; cursor: pointer; color: var(--text);
}
.theme-opt:hover { background: var(--primary-light); }