/* ============ DESIGN TOKENS ============ */
:root {
  --primary:        #4A38D4;
  --primary-dark:   #2E1F9E;
  --primary-soft:   #E8E5FB;
  --primary-tint:   #F4F2FE;

  --accent-gold:    #C7894A;
  --accent-warm:    #D9A04E;

  --ink:            #1A1A2E;
  --ink-soft:       #3A3A4E;
  --ink-muted:      #6B6B7E;
  --ink-faint:      #9A95A8;

  --paper:          #FDF8F0;
  --bg-lavender:    #EFEBF7;

  --success:        #1F9D55;
  --warn:           #D9A04E;
  --danger:         #D04545;

  --font-display: 'Fraunces', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
  --font-body:    'Crimson Pro', 'Noto Serif SC', Georgia, serif;
  --font-zh:      'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --font-ui:      'Manrope', -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--bg-lavender);
  background-image:
    radial-gradient(at 18% 8%,  rgba(232, 229, 251, 0.85) 0%, transparent 55%),
    radial-gradient(at 82% 92%, rgba(255, 240, 220, 0.55) 0%, transparent 50%),
    radial-gradient(at 50% 50%, rgba(245, 240, 252, 0.6)  0%, transparent 70%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 242, 252, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(74, 56, 212, 0.08);
  padding: 14px 48px;
  display: flex; align-items: center; gap: 20px;
}
.brand-logo {
  width: 40px; height: 40px; flex-shrink: 0;
  display: block;
  border-radius: 50%;
  user-select: none;
  -webkit-user-drag: none;
}
.login-logo {
  width: 64px; height: 64px;
  display: block;
  margin: 0 auto 22px;
  border-radius: 50%;
  box-shadow: 0 6px 24px -8px rgba(74, 56, 212, 0.45);
  user-select: none;
  -webkit-user-drag: none;
}
.brand-en {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  cursor: pointer;
  font-variation-settings: "opsz" 22;
}
.brand-en em { font-style: italic; color: var(--primary); }
.brand-sep {
  width: 1px; height: 24px;
  background: rgba(74, 56, 212, 0.25);
}
.brand-zh {
  font-family: var(--font-zh);
  font-size: 15px;
  color: var(--ink-soft);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.nav-tabs {
  margin-left: auto;
  display: flex; align-items: center; gap: 6px;
}
.nav-tab {
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  background: transparent;
}
.nav-tab:hover { background: rgba(74, 56, 212, 0.08); color: var(--primary); }
.nav-tab.active { background: var(--primary); color: white; }

/* ============ NAV DROPDOWN ============ */
.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-caret {
  font-size: 9px;
  margin-left: 3px;
  opacity: 0.55;
  display: inline-block;
  transform: translateY(-1px);
  transition: transform .2s;
}
.nav-item:hover .nav-caret { transform: translateY(-1px) rotate(180deg); }
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 14px;
  padding: 8px;
  min-width: 250px;
  box-shadow: 0 12px 36px -8px rgba(74, 56, 212, 0.22), 0 4px 12px rgba(26, 26, 46, 0.06);
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 1000;
  margin-top: 6px;
}
/* invisible hover bridge so dropdown doesn't close when moving cursor */
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0; right: 0;
  height: 12px;
  background: transparent;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dd-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink-soft);
  font-family: var(--font-ui);
  transition: background .15s, color .15s;
  position: relative;
}
.nav-dd-item:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.nav-dd-item .dd-zh {
  font-family: var(--font-zh);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.nav-dd-item .dd-en {
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  font-style: italic;
  font-family: var(--font-display);
  margin-left: 0;
  text-align: left;
}
.nav-dd-item:hover .dd-en { color: var(--primary); opacity: 0.75; }
.nav-dd-item.disabled {
  opacity: 0.62;
  cursor: not-allowed;
}
.nav-dd-item.disabled:hover {
  background: rgba(74, 56, 212, 0.04);
  color: var(--ink-soft);
}
.nav-dd-item.disabled:hover .dd-en { color: var(--ink-faint); opacity: 1; }
.nav-dd-item .dd-coming {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: var(--accent-warm);
  color: white;
  padding: 2px 7px;
  border-radius: 6px;
  margin-left: 8px;
  font-family: var(--font-ui);
  font-style: normal;
}
.nav-dd-item.disabled .dd-en {
  margin-left: 0;
}
.user-pill {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-left: 12px;
}
.user-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-warm));
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 12px;
}
.logout-btn {
  background: transparent; border: none;
  color: var(--ink-faint);
  font-size: 11px;
  cursor: pointer;
  padding: 2px 4px;
  letter-spacing: 0.06em;
}
.logout-btn:hover { color: var(--danger); }

/* ============ LOGIN ============ */
.login-overlay {
  position: fixed; inset: 0;
  background: var(--bg-lavender);
  background-image:
    radial-gradient(at 18% 8%,  rgba(232, 229, 251, 0.85) 0%, transparent 55%),
    radial-gradient(at 82% 92%, rgba(255, 240, 220, 0.55) 0%, transparent 50%),
    radial-gradient(at 50% 50%, rgba(245, 240, 252, 0.6)  0%, transparent 70%);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 440px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.14);
  border-radius: 22px;
  padding: 48px 44px 44px;
  backdrop-filter: blur(8px);
  text-align: center;
}
.login-divider {
  width: 64px; height: 3px; margin: 0 auto 22px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary) 50%, var(--accent-warm) 100%);
  border-radius: 2px;
}
.login-eyebrow {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}
.login-eyebrow .zh {
  letter-spacing: 0.1em;
  font-family: var(--font-zh);
  font-weight: 500;
}
.login-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 14px;
  font-variation-settings: "opsz" 80;
}
.login-title em {
  font-style: italic;
  color: var(--primary);
  font-variation-settings: "opsz" 144;
}
.login-tag {
  font-family: var(--font-zh);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 28px;
}
.login-input {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-ui);
  font-size: 15px;
  border: 1.5px solid rgba(74, 56, 212, 0.14);
  border-radius: 12px;
  background: white;
  color: var(--ink);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  margin-bottom: 14px;
}
.login-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(74, 56, 212, 0.1);
}
.login-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.login-btn:hover { background: var(--primary-dark); }
.login-btn:active { transform: scale(0.98); }

/* ============ HERO ============ */
.hero {
  padding: 64px 48px 30px;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-divider {
  width: 64px; height: 3px; margin: 0 auto 22px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary) 50%, var(--accent-warm) 100%);
  border-radius: 2px;
  animation: rise .8s ease-out both;
}
.hero-eyebrow {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 22px;
  animation: rise .8s ease-out .1s both;
}
.hero-eyebrow .dot { margin: 0 8px; color: var(--ink-faint); }
.hero-eyebrow .zh {
  font-family: var(--font-zh);
  letter-spacing: 0.1em;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--ink);
  margin: 0 0 22px;
  font-variation-settings: "opsz" 144;
  animation: rise .9s ease-out .2s both;
}
.hero-title em {
  font-style: italic;
  color: var(--primary);
  font-variation-settings: "opsz" 144;
}
.hero-sub {
  font-family: var(--font-zh);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
  animation: rise .9s ease-out .35s both;
}

/* ============ STATS BAR ============ */
.section { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 22px;
  backdrop-filter: blur(8px);
  padding: 26px 36px;
  margin: 36px auto 40px;
  animation: rise .9s ease-out .4s both;
}
.stat-item {
  position: relative;
  text-align: center;
  padding: 0 16px;
}
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: 0; top: 12%; bottom: 12%;
  width: 1px; background: rgba(74, 56, 212, 0.12);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 38px;
  color: var(--primary);
  font-weight: 500;
  line-height: 1;
  font-variation-settings: "opsz" 144;
}
.stat-num .unit { font-size: 18px; color: var(--ink-muted); font-weight: 400; margin-left: 2px; }
#vocab-latest {
  font-family: var(--font-ui);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
  letter-spacing: 0;
  font-variation-settings: normal;
}
.stat-label {
  margin-top: 6px;
  font-family: var(--font-zh);
  font-size: 12.5px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

/* ============ HUB GRID ============ */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-bottom: 60px;
}
.hub-card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 22px;
  padding: 36px 32px 30px;
  min-height: 240px;
  backdrop-filter: blur(8px);
  transition: all .35s cubic-bezier(.2, .8, .2, 1);
  text-decoration: none;
  color: inherit;
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.hub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(74, 56, 212, 0.3);
  box-shadow: 0 18px 40px -16px rgba(74, 56, 212, 0.22);
  background: rgba(255, 255, 255, 0.78);
}
.hub-card.disabled {
  opacity: 0.55;
  pointer-events: none;
}
.hub-card-eyebrow {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
}
.hub-card-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 27px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 4px;
}
.hub-card-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 18px;
  font-variation-settings: "opsz" 80;
}
.hub-card-meta {
  font-family: var(--font-zh);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-top: auto;
}
.hub-card-arrow {
  position: absolute;
  bottom: 26px; right: 26px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid rgba(74, 56, 212, 0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  transition: all .3s;
}
.hub-card:hover .hub-card-arrow {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: scale(1.06);
}
.hub-card-coming {
  position: absolute;
  top: 20px; right: 20px;
  padding: 4px 10px;
  background: rgba(217, 160, 78, 0.15);
  color: var(--accent-gold);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hub-card-special {
  grid-column: span 1;
  background: linear-gradient(135deg, rgba(74, 56, 212, 0.08), rgba(217, 160, 78, 0.05));
  border-color: rgba(74, 56, 212, 0.18);
}
.hub-card:nth-child(1) { animation: rise .9s ease-out .5s both; }
.hub-card:nth-child(2) { animation: rise .9s ease-out .58s both; }
.hub-card:nth-child(3) { animation: rise .9s ease-out .66s both; }
.hub-card:nth-child(4) { animation: rise .9s ease-out .74s both; }
.hub-card:nth-child(5) { animation: rise .9s ease-out .82s both; }
.hub-card:nth-child(6) { animation: rise .9s ease-out .9s both; }

/* ============ SUBJECT VIEW (Reading hub) ============ */
.breadcrumb {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 4px;
}
.breadcrumb a {
  color: var(--ink-muted);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; color: var(--ink-faint); }

.subject-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-bottom: 60px;
}

/* ============ TASK1 COVER / QUESTION LIST ============ */
.task-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.filter-group {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.filter-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 4px;
  font-weight: 600;
}
.filter-chip {
  font-family: var(--font-zh);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.45);
  border: 1px solid rgba(74, 56, 212, 0.14);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all .2s;
  font-weight: 500;
}
.filter-chip:hover { border-color: var(--primary); color: var(--primary); }
.filter-chip.active { background: var(--primary); color: white; border-color: var(--primary); }

.question-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding-bottom: 60px;
}
.q-card {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.1);
  border-radius: 16px;
  padding: 20px 22px 18px;
  cursor: pointer;
  transition: all .3s;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  backdrop-filter: blur(6px);
}
.q-card:hover {
  transform: translateY(-3px);
  border-color: rgba(74, 56, 212, 0.28);
  box-shadow: 0 12px 30px -14px rgba(74, 56, 212, 0.2);
  background: rgba(255,255,255,0.78);
}
.q-card.done {
  border-color: rgba(31, 157, 85, 0.3);
  background: rgba(255,255,255,0.7);
}
.q-card.done::after {
  content: '';
  position: absolute;
  top: 16px; right: 18px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
}
.q-card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.q-card-id {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.06em;
}
.q-card-serial {
  color: var(--ink-faint);
  font-style: italic;
  font-family: var(--font-display);
  font-size: 12px;
}

/* ============ SEARCH BOX ============ */
.search-wrap {
  position: relative;
  flex: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 16px;
  width: 16px; height: 16px;
  color: var(--ink-muted);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 11px 40px 11px 42px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.14);
  border-radius: 999px;
  color: var(--ink);
  outline: none;
  transition: all .2s;
}
.search-input::placeholder { color: var(--ink-faint); }
.search-input:focus {
  background: rgba(255,255,255,0.85);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(74, 56, 212, 0.08);
}
.search-clear {
  position: absolute;
  right: 12px;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: none;
  background: rgba(154, 149, 168, 0.2);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  display: none;
  transition: background .15s;
}
.search-clear:hover { background: var(--danger); color: white; }
.search-clear.show { display: flex; align-items: center; justify-content: center; }
.search-result-count {
  font-family: var(--font-zh);
  font-size: 13px;
  color: var(--ink-muted);
  margin-left: 16px;
}
.search-result-count strong { color: var(--primary); font-weight: 700; }

/* Highlight matched text in topic */
.search-hl {
  background: rgba(229, 162, 58, 0.3);
  border-radius: 2px;
  padding: 0 2px;
  font-weight: 700;
}
/* Match-location chips on q-card (e.g. 原文 / 译文 / 学科) */
.q-card-matches {
  display: flex; gap: 4px; flex-wrap: wrap;
  margin-top: 8px;
}
.q-match-chip {
  font-family: var(--font-zh);
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(229, 162, 58, 0.14);
  color: var(--accent-gold);
  font-weight: 600;
  letter-spacing: 0.02em;
}
/* Inline snippet preview showing context of the matched word(s) */
.q-card-snippet {
  margin-top: 8px;
  padding: 6px 10px;
  background: rgba(74, 56, 212, 0.04);
  border-left: 2px solid rgba(74, 56, 212, 0.25);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.q-card-snippet.zh {
  font-family: var(--font-zh);
}

/* ============ PRACTICE-SET FEATURE ============ */
/* Toolbar buttons for select mode + quick-make */
.task-actions-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.btn-tool {
  background: rgba(74, 56, 212, 0.06);
  border: 1px solid rgba(74, 56, 212, 0.18);
  color: var(--primary);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-zh);
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-tool:hover { background: rgba(74, 56, 212, 0.14); border-color: var(--primary); }
.btn-tool.active { background: var(--primary); color: white; border-color: var(--primary); }
.btn-tool.danger {
  background: rgba(208, 69, 69, 0.07);
  border-color: rgba(208, 69, 69, 0.22);
  color: var(--danger);
}
.btn-tool.danger:hover { background: rgba(208, 69, 69, 0.14); border-color: var(--danger); }

/* Selection state on cards */
body[data-select-mode="1"] .q-card {
  cursor: pointer;
}
body[data-select-mode="1"] .q-card::before {
  content: '';
  position: absolute;
  top: 14px; right: 14px;
  width: 22px; height: 22px;
  border: 2px solid rgba(74, 56, 212, 0.3);
  border-radius: 50%;
  background: white;
  z-index: 2;
  transition: all 0.15s ease;
}
body[data-select-mode="1"] .q-card.selected {
  border-color: var(--primary);
  background: var(--primary-tint);
  box-shadow: 0 4px 18px rgba(74, 56, 212, 0.18);
}
body[data-select-mode="1"] .q-card.selected::before {
  background: var(--primary);
  border-color: var(--primary);
}
body[data-select-mode="1"] .q-card.selected::after {
  content: '✓';
  position: absolute;
  top: 14px; right: 14px;
  width: 22px; height: 22px;
  color: white;
  font-weight: 700;
  font-size: 13px;
  z-index: 3;
  text-align: center;
  line-height: 22px;
}

/* Floating select bar */
.select-bar {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26, 26, 46, 0.96);
  color: white;
  padding: 14px 22px;
  border-radius: 16px;
  display: none;
  align-items: center;
  gap: 14px;
  z-index: 90;
  box-shadow: 0 14px 40px rgba(26, 26, 46, 0.34);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.select-bar.show { display: flex; }
.select-bar-count {
  font-family: var(--font-zh);
  font-size: 14px;
  margin-right: 4px;
}
.select-bar-count strong {
  font-size: 18px;
  color: var(--accent-warm);
  margin: 0 3px;
  font-family: var(--font-mono);
}
.select-bar-btn {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.16);
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-zh);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.select-bar-btn:hover { background: rgba(255,255,255,0.18); }
.select-bar-btn.primary {
  background: var(--accent-warm);
  border-color: var(--accent-warm);
  color: var(--ink);
  font-weight: 700;
}
.select-bar-btn.primary:hover { background: #c7894a; }

/* Saved sets section on task1 cover */
.saved-sets {
  margin: 0 0 24px;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(74, 56, 212, 0.04), rgba(232, 229, 251, 0.4));
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 16px;
}
.saved-sets-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.saved-sets-title {
  font-family: var(--font-zh);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}
.saved-sets-title .ico { margin-right: 6px; }
.saved-sets-list {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.saved-set-chip {
  background: white;
  border: 1px solid rgba(74, 56, 212, 0.16);
  border-radius: 10px;
  padding: 8px 14px 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-zh);
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  transition: all 0.15s ease;
}
.saved-set-chip:hover {
  border-color: var(--primary);
  background: var(--primary-tint);
  transform: translateY(-1px);
}
.saved-set-chip .count {
  font-family: var(--font-mono);
  color: var(--primary);
  font-weight: 600;
  font-size: 12px;
}
.saved-set-chip .del {
  color: var(--ink-faint);
  cursor: pointer;
  padding: 0 4px;
  border-radius: 4px;
  margin-left: 2px;
}
.saved-set-chip .del:hover { color: var(--danger); background: rgba(208,69,69,0.08); }

/* Floating action bar shown while in select-mode at the bottom of the screen */
.select-action-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%) translateY(140%);
  bottom: 24px;
  z-index: 150;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px 12px 22px;
  background: white;
  border-radius: 14px;
  border: 1px solid rgba(74, 56, 212, 0.18);
  box-shadow: 0 12px 36px rgba(26, 26, 46, 0.18);
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
  font-family: var(--font-zh);
}
.select-action-bar.show { transform: translateX(-50%) translateY(0); }
.select-action-bar .select-count {
  font-size: 13.5px; color: var(--ink-soft);
  padding-right: 10px; margin-right: 4px;
  border-right: 1px solid rgba(74, 56, 212, 0.14);
}
.select-action-bar .select-count strong {
  color: var(--primary); font-family: var(--font-mono); font-size: 17px; margin: 0 3px;
}
.select-action-bar button {
  font-family: var(--font-zh); font-size: 13px; font-weight: 600;
  padding: 8px 16px; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent; transition: all 0.15s ease;
}
.select-action-bar .bar-cancel {
  background: transparent; color: var(--ink-muted);
  border-color: rgba(154, 149, 168, 0.32);
}
.select-action-bar .bar-cancel:hover { color: var(--ink); border-color: var(--ink-muted); }
.select-action-bar .bar-go {
  background: var(--primary); color: white;
}
.select-action-bar .bar-go:disabled {
  background: rgba(154, 149, 168, 0.32); cursor: not-allowed;
}
.select-action-bar .bar-go:not(:disabled):hover { background: var(--primary-dark); }
.select-action-bar .bar-clear {
  background: transparent; color: var(--ink-muted); padding: 8px 10px;
  border-color: rgba(154, 149, 168, 0.2);
}
.select-action-bar .bar-clear:hover { color: var(--danger); border-color: var(--danger); }

/* Set-view mini cards (the saved set preview) */
.set-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0 24px;
}
.set-mini-card {
  background: white;
  border: 1px solid rgba(74, 56, 212, 0.14);
  border-radius: 12px;
  padding: 14px;
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all 0.15s ease;
}
.set-mini-card:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(74, 56, 212, 0.12);
}
.set-mini-card.done { background: linear-gradient(135deg, white, rgba(74,56,212,0.04)); }
.set-mini-card .mini-idx {
  position: absolute; top: 10px; right: 12px;
  font-family: var(--font-mono); font-size: 10.5px; color: var(--primary);
  font-weight: 700; opacity: 0.55;
}
.set-mini-card .mini-id {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint);
  letter-spacing: 0.04em; margin-bottom: 4px;
}
.set-mini-card .mini-topic {
  font-family: var(--font-zh); font-weight: 700; font-size: 16px; color: var(--ink);
  margin-bottom: 6px;
}
.set-mini-card .mini-meta {
  display: flex; gap: 6px; font-size: 10.5px; flex-wrap: wrap;
}
.set-mini-card .mini-meta span {
  padding: 2px 8px; border-radius: 999px;
  background: rgba(74, 56, 212, 0.08); color: var(--primary); font-family: var(--font-zh);
}
.set-empty-hint {
  padding: 40px 0; text-align: center; color: var(--ink-muted);
  font-family: var(--font-zh); font-size: 14px; line-height: 1.7;
}

/* Set view */
.set-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 48px 80px;
}
.set-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 24px; flex-wrap: wrap;
}
.set-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  font-variation-settings: "opsz" 100;
}
.set-title em { font-style: italic; color: var(--primary); }
.set-meta {
  font-family: var(--font-zh);
  color: var(--ink-muted);
  font-size: 14px;
  margin-top: 6px;
}
.set-meta strong { color: var(--primary); font-family: var(--font-mono); font-size: 16px; margin: 0 2px; }
.set-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 22px;
  border-radius: 10px;
  font-family: var(--font-zh);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  background: white;
  color: var(--ink);
  border: 1px solid rgba(74, 56, 212, 0.22);
  padding: 10px 20px;
  border-radius: 10px;
  font-family: var(--font-zh);
  font-weight: 500;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-secondary:hover { background: var(--primary-tint); border-color: var(--primary); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(26, 26, 46, 0.42);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: white;
  border-radius: 18px;
  padding: 28px 32px;
  max-width: 500px;
  width: calc(100% - 48px);
  box-shadow: 0 28px 72px rgba(26, 26, 46, 0.28);
  animation: modalIn 0.18s ease-out;
}
@keyframes modalIn {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}
.modal-body {
  font-family: var(--font-zh);
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 16px;
  line-height: 1.6;
}
.modal-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(74, 56, 212, 0.22);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  margin-bottom: 16px;
  word-break: break-all;
  background: var(--primary-tint);
  color: var(--ink);
  resize: none;
  box-sizing: border-box;
}
.modal-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.q-card-topic {
  font-family: var(--font-zh);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
}
.q-card-meta {
  display: flex; gap: 6px;
  flex-wrap: wrap;
}
.q-tag {
  font-family: var(--font-zh);
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 500;
}
.q-tag.diff-简单 { background: rgba(31, 157, 85, 0.12); color: var(--success); }
.q-tag.diff-中等 { background: rgba(217, 160, 78, 0.15); color: var(--accent-gold); }
.q-tag.diff-困难 { background: rgba(208, 69, 69, 0.12); color: var(--danger); }
.q-tag.level { background: rgba(74, 56, 212, 0.08); color: var(--primary-dark); }
.q-card-score {
  margin-top: 10px;
  font-size: 12px;
  color: var(--success);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.q-card-score.partial { color: var(--accent-gold); }

/* ============ PRACTICE VIEW ============ */
.practice-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 48px 80px;
}
.practice-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.practice-meta {
  display: flex; flex-direction: column; gap: 6px;
}
.practice-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  font-variation-settings: "opsz" 100;
}
.practice-title em { font-style: italic; color: var(--primary); }
.practice-meta-tags { display: flex; gap: 8px; flex-wrap: wrap; }

.timer {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  padding: 12px 22px;
  background: rgba(255,255,255,0.6);
  border: 1.5px solid rgba(74, 56, 212, 0.18);
  border-radius: 14px;
  color: var(--ink);
  letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 10px;
  min-width: 130px;
  justify-content: center;
  transition: all .3s;
}
.timer-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  animation: pulse 1.4s ease-in-out infinite;
}
.timer.warn {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}
.timer.warn .timer-dot { background: var(--accent-gold); }
.timer.danger {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(255,235,235,0.7);
}
.timer.danger .timer-dot { background: var(--danger); }
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.paragraph-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(74, 56, 212, 0.1);
  border-radius: 20px;
  padding: 44px 48px;
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 2.05;
  color: var(--ink);
  letter-spacing: 0.005em;
  backdrop-filter: blur(8px);
}
.paragraph-card .question-prompt {
  font-family: var(--font-zh);
  font-size: 14px;
  color: var(--ink-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(74, 56, 212, 0.08);
}
.blank-prefix { color: var(--ink); }

/* New per-character slot inputs: each missing letter has its own underlined cell.
   Reference image style: gray rectangle background, N individual underline slots inside. */
.blank-cell {
  display: inline-block;
  vertical-align: baseline;
  background: rgba(120, 110, 150, 0.16);
  border-radius: 3px;
  padding: 1px 3px 2px;
  margin: 0 1px;
  white-space: nowrap;
  line-height: 1.4em;
  transition: background .15s;
}
.blank-cell:hover { background: rgba(120, 110, 150, 0.22); }
.blank-cell.focused { background: rgba(74, 56, 212, 0.12); box-shadow: 0 0 0 1.5px rgba(74, 56, 212, 0.35); }
.blank-slot {
  display: inline-block;
  width: 0.75em;
  text-align: center;
  border: none;
  border-bottom: 1.5px solid rgba(60, 50, 80, 0.45);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95em;
  font-weight: 500;
  color: var(--ink);
  padding: 0;
  margin: 0 1px;
  outline: none;
  caret-color: var(--primary);
  transition: border-bottom-color .15s;
  -webkit-appearance: none;
  border-radius: 0;
  line-height: 1.3;
  vertical-align: baseline;
}
.blank-slot:focus { border-bottom-color: var(--primary); border-bottom-width: 1.5px; }
.blank-slot.filled { border-bottom-color: var(--primary-dark); }

/* ============ TRAFFIC-LIGHT TRIAGE ============ */
.triage-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(154, 149, 168, 0.25);
  border: 1.5px solid rgba(154, 149, 168, 0.4);
  flex-shrink: 0;
}
.triage-dot.red    { background: #D04545; border-color: #B53838; }
.triage-dot.yellow { background: #E5A23A; border-color: #C7894A; }
.triage-dot.green  { background: #5AAE5A; border-color: #1F9D55; }

.triage-group {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(74, 56, 212, 0.1);
  border-radius: 999px;
  align-items: center;
}
.triage-group .triage-label {
  font-family: var(--font-zh);
  font-size: 11px;
  color: var(--ink-muted);
  padding: 0 6px 0 8px;
  letter-spacing: 0.04em;
}
.triage-btn {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  background: rgba(154, 149, 168, 0.16);
  cursor: pointer;
  transition: all .18s;
  position: relative;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.triage-btn:hover { transform: scale(1.1); }
.triage-btn[data-tri="red"]    { background: rgba(208, 69, 69, 0.2); }
.triage-btn[data-tri="yellow"] { background: rgba(229, 162, 58, 0.2); }
.triage-btn[data-tri="green"]  { background: rgba(90, 174, 90, 0.22); }
.triage-btn.active[data-tri="red"]    { background: #D04545; border-color: #B53838; box-shadow: 0 0 0 3px rgba(208,69,69,0.18); }
.triage-btn.active[data-tri="yellow"] { background: #E5A23A; border-color: #C7894A; box-shadow: 0 0 0 3px rgba(229,162,58,0.18); }
.triage-btn.active[data-tri="green"]  { background: #5AAE5A; border-color: #1F9D55; box-shadow: 0 0 0 3px rgba(90,174,90,0.18); }
.triage-btn.clear-tri {
  background: transparent;
  color: var(--ink-faint);
  font-size: 14px;
  line-height: 1;
}
.triage-btn.clear-tri:hover { color: var(--danger); }

/* Triage dot positioning on question cards */
.q-card .q-triage {
  position: absolute;
  top: 16px; right: 18px;
}
.q-card.done .q-triage { right: 36px; } /* leave room for done marker */

/* ============ INFO BUTTON + MODAL ============ */
.info-btn {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1.5px solid rgba(74, 56, 212, 0.3);
  background: rgba(74, 56, 212, 0.05);
  color: var(--primary);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  margin-left: 6px;
  transition: all .2s;
  padding: 0;
  line-height: 1;
}
.info-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: scale(1.08);
}

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(40, 30, 90, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fade-in .2s ease-out;
}
.modal-overlay.show { display: flex; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  width: 100%;
  max-width: 760px;
  max-height: 86vh;
  overflow-y: auto;
  background: rgba(253, 248, 240, 0.96);
  border: 1px solid rgba(74, 56, 212, 0.16);
  border-radius: 22px;
  padding: 40px 44px 36px;
  box-shadow: 0 30px 80px -20px rgba(40, 30, 90, 0.35);
  animation: rise .4s ease-out;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(74, 56, 212, 0.08);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.modal-close:hover { background: var(--primary); color: white; }

.modal-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 6px;
  font-variation-settings: "opsz" 100;
}
.modal-title em { font-style: italic; color: var(--primary); }
.modal-subtitle {
  font-family: var(--font-zh);
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}
.modal-section {
  margin-bottom: 24px;
}
.modal-section-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 12px;
}
.modal-section-title::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
.modal-section-title .zh-tag {
  font-family: var(--font-zh);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  font-size: 12px;
}
.dim-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-zh);
  font-size: 13.5px;
  line-height: 1.7;
}
.dim-table th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  background: rgba(74, 56, 212, 0.07);
  color: var(--ink);
}
.dim-table th.t-easy { color: var(--success); }
.dim-table th.t-med  { color: var(--accent-gold); }
.dim-table th.t-hard { color: var(--danger); }
.dim-table td {
  padding: 12px;
  vertical-align: top;
  border-top: 1px solid rgba(74, 56, 212, 0.08);
  color: var(--ink-soft);
}
.dim-table td.dim-name {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  width: 110px;
}
.dim-table td .weight {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 4px;
  font-weight: 600;
}
.principle-list {
  font-family: var(--font-zh);
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
  padding-left: 0;
  list-style: none;
  margin: 0;
}
.principle-list li {
  padding: 8px 0;
  border-bottom: 1px dashed rgba(74, 56, 212, 0.1);
  padding-left: 28px;
  position: relative;
}
.principle-list li:last-child { border-bottom: none; }
.principle-list li::before {
  content: counter(prin);
  counter-increment: prin;
  position: absolute;
  left: 0; top: 9px;
  width: 20px; height: 20px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.principle-list { counter-reset: prin; }

.diff-coefficient {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px 4px 4px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 999px;
  font-family: var(--font-zh);
  font-size: 12.5px;
  color: var(--ink-soft);
  font-weight: 500;
}
.diff-coefficient .coef-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.diff-coefficient .coef-pill.简单 { background: rgba(31, 157, 85, 0.14); color: var(--success); }
.diff-coefficient .coef-pill.中等 { background: rgba(217, 160, 78, 0.18); color: var(--accent-gold); }
.diff-coefficient .coef-pill.困难 { background: rgba(208, 69, 69, 0.14); color: var(--danger); }

.action-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 14px 36px;
  border-radius: 12px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
  background: transparent;
  color: var(--ink-soft);
  border: 1.5px solid rgba(74, 56, 212, 0.18);
  padding: 12px 24px;
  border-radius: 12px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.fill-progress {
  font-family: var(--font-zh);
  font-size: 13px;
  color: var(--ink-muted);
}
.fill-progress strong { color: var(--primary); font-weight: 700; }

/* ============ REVIEW VIEW ============ */
.review-summary {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 20px;
  margin-bottom: 26px;
}
.score-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 20px;
  padding: 32px 36px;
  text-align: center;
  backdrop-filter: blur(8px);
}
.score-eyebrow {
  font-size: 11px; letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 14px;
}
.score-percentage {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--primary);
  font-variation-settings: "opsz" 144;
}
.score-percentage .pct { font-size: 32px; color: var(--ink-soft); margin-left: 2px; }
.score-detail {
  font-family: var(--font-zh);
  font-size: 14px;
  color: var(--ink-muted);
  margin-top: 10px;
}
.score-detail strong { color: var(--ink); font-weight: 700; }

.answer-list-card {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 20px;
  padding: 26px 30px;
  backdrop-filter: blur(8px);
}
.answer-list-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.answer-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 22px;
}
.answer-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 16px;
  padding: 4px 0;
}
.answer-row .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  width: 22px;
  font-weight: 600;
}
.answer-row .mark {
  width: 16px; height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
  flex-shrink: 0;
}
.answer-row.correct .mark { background: var(--success); color: white; }
.answer-row.wrong .mark { background: var(--danger); color: white; }
.answer-row .word {
  font-weight: 500;
  color: var(--ink);
  flex: 1;
}
.answer-row.wrong .word { color: var(--danger); }
.answer-row.wrong .word .crossout {
  text-decoration: line-through;
  color: var(--danger);
  margin-right: 6px;
  font-style: italic;
  font-size: 14px;
}

.section-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 30px 0 14px;
  display: flex; align-items: center; gap: 14px;
}
.section-title::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
.section-title .zh {
  font-family: var(--font-zh);
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-weight: 500;
  font-size: 13px;
}

.full-text-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(74, 56, 212, 0.1);
  border-radius: 20px;
  padding: 34px 42px;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 2.0;
  color: var(--ink);
  backdrop-filter: blur(8px);
}
.answer-hl {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 500;
}
.answer-hl.wrong {
  background: rgba(208, 69, 69, 0.14);
  color: var(--danger);
}

.explain-card, .trans-card {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.1);
  border-radius: 20px;
  padding: 26px 32px;
  backdrop-filter: blur(8px);
  font-family: var(--font-zh);
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}
.explain-list { display: flex; flex-direction: column; gap: 10px; }
.explain-item {
  display: flex; gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(74, 56, 212, 0.08);
}
.explain-item:last-child { border-bottom: none; }
.explain-item .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  font-weight: 700;
  background: var(--primary-soft);
  border-radius: 4px;
  padding: 2px 6px;
  height: fit-content;
  flex-shrink: 0;
  margin-top: 3px;
}
.explain-item .content { flex: 1; }
.explain-item .content code {
  font-family: var(--font-body);
  background: var(--primary-tint);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--primary-dark);
  font-style: italic;
}

/* ============ FOOTER ============ */
.footer {
  text-align: center;
  padding: 40px 24px 30px;
  position: relative;
  margin-top: 40px;
}
.footer-line {
  width: 32px; height: 1px;
  background: rgba(74, 56, 212, 0.2);
  margin: 0 auto 18px;
}
.footer-text {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* ============ QID BADGE (题号) ============ */
.qid-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 6px;
  background: rgba(74, 56, 212, 0.07);
  border: 1px solid rgba(74, 56, 212, 0.16);
  border-radius: 999px;
  margin-bottom: 10px;
  width: fit-content;
}
.qid-label {
  font-family: var(--font-zh);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  background: rgba(74, 56, 212, 0.12);
  padding: 2px 7px;
  border-radius: 999px;
  font-weight: 500;
}
.qid-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.06em;
}

/* ============ ENRICHED EXPLAINS ============ */
.explain-item .ans-word {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--primary-dark);
  font-style: normal;
  font-size: 16px;
  margin-right: 3px;
}
.explain-item .ans-zh {
  font-family: var(--font-zh);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  background: var(--primary-soft);
  padding: 1px 7px;
  border-radius: 4px;
  margin-right: 6px;
  white-space: nowrap;
}
.explain-item .ans-pos {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-faint);
  margin-right: 6px;
}
.explain-item .collo-line {
  font-family: var(--font-zh);
  color: var(--ink-soft);
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.7;
}

/* ============ VOCAB POPOVER (double-click any word to look up) ============ */
.word-popover {
  position: absolute;
  z-index: 250;
  min-width: 240px;
  max-width: 320px;
  background: rgba(253, 248, 240, 0.98);
  border: 1px solid rgba(74, 56, 212, 0.2);
  border-radius: 14px;
  padding: 16px 18px 14px;
  box-shadow: 0 20px 60px -12px rgba(40, 30, 90, 0.28);
  backdrop-filter: blur(10px);
  animation: pop-in .18s cubic-bezier(.2, 1.2, .4, 1);
  font-family: var(--font-ui);
}
@keyframes pop-in {
  from { opacity: 0; transform: translateY(-4px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.word-popover .word-en {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
  font-variation-settings: "opsz" 100;
}
.word-popover .word-pos {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 6px;
  background: rgba(74, 56, 212, 0.08);
  padding: 2px 8px;
  border-radius: 999px;
}
.word-popover .word-zh {
  font-family: var(--font-zh);
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 10px;
}
.word-popover .word-missing {
  font-family: var(--font-zh);
  font-size: 13px;
  color: var(--ink-muted);
  font-style: italic;
  padding: 6px 0;
}
.word-popover-actions {
  display: flex;
  gap: 8px;
  border-top: 1px dashed rgba(74, 56, 212, 0.12);
  padding-top: 10px;
}
.word-action-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all .15s;
}
.word-action-btn.save {
  background: var(--primary);
  color: white;
}
.word-action-btn.save:hover { background: var(--primary-dark); }
.word-action-btn.remove {
  background: rgba(208, 69, 69, 0.12);
  color: var(--danger);
}
.word-action-btn.remove:hover { background: var(--danger); color: white; }
.word-action-btn.close-only {
  background: rgba(154, 149, 168, 0.16);
  color: var(--ink-soft);
}
.word-action-btn.close-only:hover { background: rgba(154, 149, 168, 0.3); }
.word-saved-mark {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  color: var(--success);
  font-weight: 600;
}

/* Words that are saved in vocab book - subtle marker shown in text */
.vocab-saved {
  background: linear-gradient(transparent 70%, rgba(74, 56, 212, 0.18) 70%);
  cursor: help;
}

/* ============ VOCAB BOOK VIEW ============ */
.vocab-toolbar {
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.vocab-toolbar .filter-group { flex-wrap: wrap; }
.vocab-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  padding-bottom: 60px;
}
.vocab-card {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(74, 56, 212, 0.12);
  border-radius: 14px;
  padding: 16px 18px;
  position: relative;
  transition: all .25s;
  backdrop-filter: blur(6px);
  min-height: 174px;
  display: flex;
  flex-direction: column;
}
.vocab-card:hover {
  transform: translateY(-2px);
  border-color: rgba(74, 56, 212, 0.28);
  box-shadow: 0 10px 24px -12px rgba(74, 56, 212, 0.2);
}
.vocab-card-word {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
  font-variation-settings: "opsz" 100;
}
.vocab-card-pos {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 6px;
  min-height: 16px;
}
.vocab-card-pos.muted { color: var(--ink-faint); }
.vocab-card-zh {
  font-family: var(--font-zh);
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 10px;
  min-height: 44px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.vocab-card-zh.muted { color: var(--ink-faint); font-style: italic; }
.vocab-card-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 8px;
}
.vocab-card-meta span {
  flex: 0 0 auto;
  white-space: nowrap;
}
.vocab-card-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-faint);
  font-size: 14px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all .15s;
}
.vocab-card-remove:hover { background: rgba(208, 69, 69, 0.12); color: var(--danger); }
.vocab-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 80px 20px;
  font-family: var(--font-zh);
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.9;
}
.vocab-empty .tip {
  display: block;
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 8px;
  font-style: italic;
}
.vocab-export-btn {
  background: transparent;
  border: 1px solid rgba(74, 56, 212, 0.2);
  color: var(--ink-soft);
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  cursor: pointer;
  transition: all .15s;
}
.vocab-export-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ============ ANIMATIONS ============ */
@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ VIEW SWITCHING ============ */
.view { display: none; }
body[data-view="login"] .login-overlay { display: flex; }
body[data-view="login"] .app-shell { display: none; }
body[data-view="hub"] #view-hub { display: block; }
body[data-view="reading"] #view-reading { display: block; }
body[data-view="placeholder"] #view-placeholder { display: block; }
body[data-view="vocab"] #view-vocab { display: block; }
body[data-view="task1"] #view-task1 { display: block; }
body[data-view="practice"] #view-practice { display: block; }
body[data-view="review"] #view-review { display: block; }
body[data-view="set"] #view-set { display: block; }

body:not([data-view="login"]) .login-overlay { display: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .nav { padding: 12px 20px; gap: 12px; flex-wrap: wrap; }
  .nav-tabs { width: 100%; order: 3; gap: 2px; overflow-x: auto; }
  .nav-tab { padding: 6px 12px; font-size: 12px; white-space: nowrap; }
  .hero { padding: 50px 20px 24px; }
  .section { padding: 0 20px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 20px; }
  .stat-item + .stat-item::before { display: none; }
  #vocab-latest { font-size: 21px; }
  .hub-grid, .subject-cards { grid-template-columns: 1fr; gap: 14px; }
  .hub-card { padding: 28px 24px 56px; min-height: auto; }
  .practice-wrap { padding: 24px 20px 60px; }
  .paragraph-card { padding: 28px 24px; font-size: 17px; line-height: 1.95; }
  .review-summary { grid-template-columns: 1fr; }
  .answer-list { grid-template-columns: 1fr; }
  .full-text-card { padding: 24px; font-size: 16px; }
  .practice-header { gap: 14px; }
  .practice-title { font-size: 25px; }
}

/* ============ READING TASK 2/3 (生活化 + 学术) ============ */
body[data-view="rlist"] #view-rlist { display: block; }
body[data-view="rpractice"] #view-rpractice { display: block; }
body[data-view="rreview"] #view-rreview { display: block; }

.rp-wrap { max-width: 1180px; margin: 0 auto; padding: 30px 40px 60px; }
.rp-header { display: flex; justify-content: space-between; align-items: flex-start;
  gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.rp-head-main { flex: 1; min-width: 260px; }
.rp-title { margin: 8px 0 0; font-family: var(--font-display); font-size: 26px;
  font-weight: 400; letter-spacing: -0.02em; color: var(--ink); font-variation-settings:'opsz' 100; }
.rp-title em { font-style: italic; color: var(--primary); }
.rp-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.rp-side { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.rp-nav { display: flex; align-items: center; gap: 6px; }
.rp-nav-btn { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--primary-soft);
  background: #fff; color: var(--primary); font-size: 16px; cursor: pointer; font-family: var(--font-ui);
  display: flex; align-items: center; justify-content: center; transition: all .15s; }
.rp-nav-btn:hover:not(:disabled) { background: var(--primary-tint); }
.rp-nav-btn:disabled { opacity: .32; cursor: default; }
.rp-nav-count { font-family: var(--font-ui); font-size: 13px; color: var(--ink-muted);
  min-width: 78px; text-align: center; }
.rp-timer { display: flex; align-items: center; gap: 7px; font-family: var(--font-mono);
  font-size: 14px; color: var(--ink-soft); background: var(--primary-tint);
  border: 1px solid var(--primary-soft); padding: 6px 12px; border-radius: 9px; }
.rp-timer .tdot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary);
  animation: tpulse 1.6s infinite; }
@keyframes tpulse { 0%,100%{opacity:1} 50%{opacity:.3} }

.rp-body { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.rp-article { position: sticky; top: 18px; background: var(--paper);
  border: 1px solid rgba(74,56,212,0.13); border-radius: 16px; padding: 28px 30px;
  max-height: calc(100vh - 60px); overflow-y: auto;
  box-shadow: 0 8px 30px -22px rgba(46,31,158,0.4); }
.rp-doc-badge { display: inline-block; font-family: var(--font-ui); font-size: 11px;
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--primary);
  background: var(--primary-soft); padding: 4px 11px; border-radius: 20px; margin-bottom: 14px; }
.rp-prompt { font-family: var(--font-ui); font-size: 13px; color: var(--ink-muted);
  font-style: italic; margin-bottom: 16px; }
.rp-doc-heading { font-family: var(--font-display); font-size: 22px; font-weight: 500;
  color: var(--ink); margin: 0 0 16px; letter-spacing: -0.01em; line-height: 1.3; }
.rp-para { font-family: var(--font-body); font-size: 17.5px; line-height: 1.72;
  color: var(--ink-soft); margin: 0 0 13px; }
.rp-para:last-child { margin-bottom: 0; }
.rp-article-label { font-family: var(--font-ui); font-size: 11px; font-weight: 700;
  letter-spacing: .1em; color: var(--ink-faint); text-transform: uppercase; margin-bottom: 12px; }

.rp-questions { display: flex; flex-direction: column; gap: 16px; }
.rq-card { background: #fff; border: 1px solid rgba(74,56,212,0.12); border-radius: 14px;
  padding: 20px 22px; }
.rq-head { display: flex; align-items: baseline; gap: 9px; margin-bottom: 14px; }
.rq-num { font-family: var(--font-ui); font-size: 12px; font-weight: 800; color: #fff;
  background: var(--primary); padding: 3px 9px; border-radius: 7px; flex-shrink: 0; letter-spacing:.03em; }
.rq-type { font-family: var(--font-ui); font-size: 11px; color: var(--accent-gold);
  font-weight: 700; letter-spacing: .03em; }
.rq-stem { font-family: var(--font-body); font-size: 17px; line-height: 1.55;
  color: var(--ink); margin-bottom: 14px; font-weight: 600; }
.rq-opts { display: flex; flex-direction: column; gap: 9px; }
.rq-opt { display: flex; align-items: flex-start; gap: 11px; padding: 11px 14px;
  border: 1.5px solid var(--bg-lavender); border-radius: 10px; cursor: pointer;
  font-family: var(--font-body); font-size: 16px; line-height: 1.5; color: var(--ink-soft);
  transition: all .14s; background: #fff; }
.rq-opt:hover { border-color: var(--primary-soft); background: var(--primary-tint); }
.rq-opt.picked { border-color: var(--primary); background: var(--primary-tint); }
.rq-opt-key { font-family: var(--font-ui); font-weight: 800; font-size: 13px;
  color: var(--primary); width: 20px; flex-shrink: 0; text-align: center;
  border-right: 1px solid var(--primary-soft); padding-right: 10px; }
.rq-opt.picked .rq-opt-key { color: var(--primary-dark); }
/* review states */
.rq-opt.correct { border-color: var(--success); background: rgba(31,157,85,0.08); }
.rq-opt.correct .rq-opt-key { color: var(--success); border-color: rgba(31,157,85,0.3); }
.rq-opt.wrong { border-color: var(--danger); background: rgba(208,69,69,0.07); }
.rq-opt.wrong .rq-opt-key { color: var(--danger); border-color: rgba(208,69,69,0.3); }
.rq-opt-mark { margin-left: auto; font-family: var(--font-ui); font-size: 13px; font-weight: 700;
  flex-shrink: 0; padding-left: 8px; }
.rq-opt.correct .rq-opt-mark { color: var(--success); }
.rq-opt.wrong .rq-opt-mark { color: var(--danger); }
.rq-expl { margin-top: 14px; padding: 14px 16px; background: var(--primary-tint);
  border-left: 3px solid var(--primary); border-radius: 8px; }
.rq-expl-label { font-family: var(--font-ui); font-size: 11px; font-weight: 700;
  letter-spacing: .06em; color: var(--primary); text-transform: uppercase; margin-bottom: 6px; }
.rq-expl-text { font-family: var(--font-zh); font-size: 14.5px; line-height: 1.72; color: var(--ink-soft); }
.rq-trans { margin-top: 9px; padding-top: 9px; border-top: 1px dashed rgba(74,56,212,0.18);
  font-family: var(--font-zh); font-size: 13.5px; line-height: 1.65; color: var(--ink-muted); }
.rq-trans b { color: var(--ink-soft); font-weight: 600; }

.rp-result-extra { margin-top: 26px; display: flex; flex-direction: column; gap: 20px; }
.rp-block { background: #fff; border: 1px solid rgba(74,56,212,0.12); border-radius: 14px; padding: 22px 26px; }
.rp-block-title { font-family: var(--font-display); font-size: 18px; font-weight: 500;
  color: var(--ink); margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.rp-block-title .ico { font-size: 16px; }
.rp-trans-full { font-family: var(--font-zh); font-size: 15.5px; line-height: 1.85; color: var(--ink-soft); }
.rp-trans-full p { margin: 0 0 10px; }
.rp-vocab-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; }
.rp-vocab-item { font-family: var(--font-zh); font-size: 14px; line-height: 1.6;
  color: var(--ink-soft); padding: 6px 0; border-bottom: 1px dotted rgba(154,149,168,0.3); }
.rp-vocab-item .vw { font-family: var(--font-ui); font-weight: 700; color: var(--primary); }

.rp-actions { display: flex; align-items: center; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.rp-progress { font-family: var(--font-ui); font-size: 13px; color: var(--ink-muted); }
.rp-progress strong { color: var(--primary); font-size: 16px; }

.rl-card-q { font-family: var(--font-ui); font-size: 12px; color: var(--ink-muted); }
.rl-scene { display:inline-block; font-family: var(--font-ui); font-size: 11px;
  background: rgba(199,137,74,0.12); color: var(--accent-gold); padding: 2px 8px;
  border-radius: 12px; font-weight: 600; }

@media (max-width: 880px) {
  .rp-wrap { padding: 24px 18px 50px; }
  .rp-body { grid-template-columns: 1fr; }
  .rp-article { position: static; max-height: none; }
}


/* ===== 内嵌写作/口语视图 ===== */
body[data-view="writing"] #view-writing { display: block; }
body[data-view="speaking"] #view-speaking { display: block; }
#view-writing, #view-speaking { padding: 0; margin: 0; }
.embed-frame { width: 100%; border: 0; display: block; background: #fff; }


/* ===== 单词本增强样式 ===== */
.word-base-note { font-size: 12px; color: var(--ink-muted); margin: 4px 0 2px; }
.word-base-note b { color: var(--primary); }
.word-src-user { font-size: 11px; color: var(--accent-gold); margin-left: 7px; }
.word-action-btn.edit { background: var(--primary-tint); color: var(--primary); }
.word-edit-label { font-size: 12px; color: var(--ink-muted); margin: 8px 0 4px; }
.word-edit-input { width: 100%; box-sizing: border-box; border: 1.5px solid var(--primary-soft);
  border-radius: 8px; padding: 7px 9px; font-size: 14px; font-family: var(--font-zh);
  resize: vertical; outline: none; }
.word-edit-input:focus { border-color: var(--primary); }
.vocab-base { font-size: 12px; color: var(--ink-faint); font-weight: 400; margin-left: 6px; }
.vocab-card-edit { background: none; border: 1px solid var(--primary-soft); color: var(--primary);
  font-size: 12px; border-radius: 6px; padding: 2px 9px; cursor: pointer; font-family: var(--font-ui);
  margin-right: 6px; }
.vocab-card-edit:hover { background: var(--primary-tint); }

/* 取词弹窗中英文统一 Arial */
.word-popover, .word-popover .word-en, .word-popover .word-pos, .word-popover .word-zh,
.word-popover .word-missing, .word-popover-actions, .word-action-btn,
.word-edit-input, .word-edit-label, .word-base-note, .word-src-user, .word-saved-mark {
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif !important;
}