/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --surface: #232733;
  --border: #2e3345;
  --text: #e8eaed;
  --text2: #9aa0b0;
  --accent: #6c5ce7;
  --accent2: #a29bfe;
  --safe: #00b894;
  --safe-bg: rgba(0,184,148,.1);
  --standard: #0984e3;
  --standard-bg: rgba(9,132,227,.1);
  --challenge: #fdcb6e;
  --challenge-bg: rgba(253,203,110,.1);
  --dream: #e17055;
  --dream-bg: rgba(225,112,85,.1);
  --changed: #e67e22;
  --changed-bg: rgba(230,126,34,.1);
  --unknown: #a0a0b0;
  --unknown-bg: rgba(160,160,176,.1);
  --fail: #e74c3c;
  --fail-bg: rgba(231,76,60,.1);
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.hidden { display: none !important; }

/* ── Header ── */
.header { padding: 32px 0 12px; text-align: center; }
.logo { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }
.subtitle { color: var(--accent2); font-size: 14px; margin-top: 4px; }

/* ── Navigation ── */
.main-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg); border-bottom: 1px solid var(--border);
  padding: 8px 0;
}
.nav-scroll {
  display: flex; gap: 6px; max-width: 720px;
  margin: 0 auto; padding: 0 16px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-tab {
  flex-shrink: 0; padding: 8px 16px;
  background: transparent; border: 1px solid var(--border);
  border-radius: 20px; color: var(--text2);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all .2s; white-space: nowrap;
}
.nav-tab:hover { border-color: var(--accent); color: var(--text); }
.nav-tab.active {
  background: var(--accent); border-color: var(--accent);
  color: #fff;
}

/* ── Page Sections ── */
.page-section { display: none; }
#app[data-page="analysis"] .page-analysis { display: block; }
#app[data-page="five-std"] .page-five-std { display: block; }
#app[data-page="changes"] .page-changes { display: block; }
#app[data-page="history"] .page-history { display: block; }
#app[data-page="score-map"] .page-score-map { display: block; }
#app[data-page="consult"] .page-consult { display: block; }
#app[data-page="schedule"] .page-schedule { display: block; }
#app[data-page="wishlist"] .page-wishlist { display: block; }

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card h2 { font-size: 18px; margin-bottom: 4px; }
.hint { color: var(--text2); font-size: 13px; margin-bottom: 20px; }

/* ── Score Grid ── */
.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.score-item label {
  display: block; font-size: 13px; color: var(--text2);
  margin-bottom: 4px; font-weight: 500;
}
.score-item input {
  width: 100%; padding: 12px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 20px; font-weight: 700; text-align: center;
  outline: none; transition: border-color .2s;
}
.score-item input:focus { border-color: var(--accent); }
.score-item input::placeholder { color: #444; font-weight: 400; }

/* ── English Listening ── */
.eng-listen-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.eng-listen-row label { font-size: 13px; color: var(--text2); font-weight: 500; }
.eng-listen-row select {
  flex: 1; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; outline: none;
}

/* ── APCS Row ── */
.apcs-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
  padding: 10px 0; border-top: 1px solid var(--border);
}
.apcs-label { font-size: 13px; color: var(--text2); min-width: 40px; font-weight: 500; }
.apcs-inputs { display: flex; gap: 12px; flex: 1; }
.apcs-item { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.apcs-item label { font-size: 11px; color: var(--text2); }
.apcs-item select {
  padding: 8px 10px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 14px; outline: none;
}

/* ── Advanced Panel ── */
.advanced-toggle { text-align: center; margin-top: 12px; }
.toggle-btn {
  background: none; border: none; color: var(--text2);
  font-size: 13px; cursor: pointer; padding: 6px 12px;
}
.toggle-btn:hover { color: var(--accent); }
.advanced-panel {
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border);
}
.preset-section { margin-bottom: 16px; }
.preset-section h4 { font-size: 13px; margin-bottom: 4px; }
.group-chips, .region-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.preset-chip { cursor: pointer; }
.preset-chip input { display: none; }
.preset-chip span {
  display: inline-block; padding: 4px 10px; font-size: 12px;
  border-radius: 14px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); transition: all 0.15s;
}
.preset-chip:hover span { border-color: var(--accent); }
.preset-chip input:checked + span {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

/* ── Buttons ── */
.btn-primary {
  width: 100%; padding: 14px;
  background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius-sm); font-size: 16px;
  font-weight: 700; cursor: pointer; transition: opacity .2s, transform .1s;
}
.btn-primary:hover:not(:disabled) { opacity: .9; }
.btn-primary:active:not(:disabled) { transform: scale(.98); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }

/* ── Stats Bar ── */
.stats-section { padding: 20px 0; }
.stats-bar {
  display: flex; gap: 4px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}
.stat {
  flex: 1; min-width: 56px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 4px; text-align: center;
}
.stat-num { display: block; font-size: 20px; font-weight: 800; }
.stat-label { display: block; font-size: 10px; color: var(--text2); margin-top: 2px; white-space: nowrap; }
.stat.safe .stat-num { color: var(--safe); }
.stat.standard .stat-num { color: var(--standard); }
.stat.challenge .stat-num { color: var(--challenge); }
.stat.dream .stat-num { color: var(--dream); }
.stat.changed .stat-num { color: var(--changed); }
.stat.unknown .stat-num { color: var(--unknown); }
.stat.fail .stat-num { color: var(--fail); }
.stat.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); transform: translateY(-2px); }

/* ── Share Buttons ── */
.share-row { display: flex; gap: 8px; margin-top: 12px; }
.btn-share {
  flex: 1; padding: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: border-color .2s;
}
.btn-share:hover { border-color: var(--accent); }

/* ── Score Convert Card ── */
.score-convert-section { padding: 8px 0 0; }
.score-convert-card { padding: 16px; }
.score-convert-card h3 { font-size: 14px; margin-bottom: 4px; }
.score-convert-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
.score-convert-table th, .score-convert-table td {
  padding: 6px 8px; text-align: center; border-bottom: 1px solid var(--border);
}
.score-convert-table th { color: var(--text2); font-weight: 500; font-size: 12px; }
.score-convert-table .total-row td { border-top: 2px solid var(--border); }
.convert-diff { font-size: 11px; margin-left: 2px; }
.convert-diff.up { color: var(--safe); }
.convert-diff.down { color: var(--fail); }

/* ── Filter ── */
.filter-section { padding: 0 0 12px; }
.filter-row { display: flex; gap: 8px; margin-bottom: 8px; }
.filter-row select {
  flex: 1; padding: 10px 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 13px; outline: none;
}
.search-row input {
  width: 100%; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; outline: none;
}
.search-row input:focus { border-color: var(--accent); }

/* ── 採計科目篩選 ── */
.subject-filter-row {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px;
}
.filter-label { font-size: 12px; color: var(--text2); white-space: nowrap; }
.subject-chip { display: flex; align-items: center; cursor: pointer; }
.subject-chip input { display: none; }
.subject-chip span {
  padding: 4px 10px; font-size: 12px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  transition: all 0.15s;
}
.subject-chip input:checked + span {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

/* ── 多選學校篩選器 ── */
.school-filter-row { margin-bottom: 8px; }
.multi-select { position: relative; }
.multi-select-trigger {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 13px;
  cursor: pointer; user-select: none;
}
.multi-select-trigger:hover { border-color: var(--accent); }
.multi-select-arrow { font-size: 10px; color: var(--text2); }
.multi-select-dropdown {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 100;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-top: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3); max-height: 320px;
  display: flex; flex-direction: column;
}
.multi-select-search { padding: 8px; border-bottom: 1px solid var(--border); }
.multi-select-search input {
  width: 100%; padding: 8px 10px; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; outline: none;
}
.multi-select-search input:focus { border-color: var(--accent); }
.multi-select-options {
  overflow-y: auto; max-height: 220px; padding: 4px 0;
}
.multi-select-option {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; cursor: pointer; font-size: 13px; color: var(--text);
}
.multi-select-option:hover { background: var(--bg); }
.multi-select-option.selected { color: var(--accent); }
.multi-select-option .check-box {
  width: 16px; height: 16px; border: 1.5px solid var(--border);
  border-radius: 3px; display: flex; align-items: center; justify-content: center;
  font-size: 11px; flex-shrink: 0;
}
.multi-select-option.selected .check-box {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.multi-select-actions {
  display: flex; gap: 8px; padding: 8px; border-top: 1px solid var(--border);
  justify-content: flex-end;
}
.btn-sm {
  padding: 6px 14px; font-size: 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); cursor: pointer;
}
.btn-sm:hover { border-color: var(--text2); }
.btn-primary-sm {
  padding: 6px 14px; font-size: 12px; border-radius: var(--radius-sm);
  border: none; background: var(--accent); color: #fff; cursor: pointer;
}
.btn-primary-sm:hover { opacity: 0.85; }
.multi-select-quick-actions {
  display: flex; gap: 6px; padding: 8px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.chip {
  padding: 4px 12px; font-size: 12px; border-radius: 16px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); cursor: pointer;
}
.chip:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.region-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 12px; background: var(--bg);
  font-size: 12px; font-weight: 600; color: var(--text2);
  border-top: 1px solid var(--border); position: sticky; top: 0; z-index: 1;
}
.region-actions { display: flex; gap: 8px; }
.region-action {
  font-size: 11px; color: var(--accent); cursor: pointer;
  background: none; border: none; padding: 2px 0;
}
.region-action:hover { text-decoration: underline; }

/* ── Results ── */
.results-section { padding: 0 0 24px; }

.category-header {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 4px 8px; margin-top: 8px;
  font-size: 16px; font-weight: 700; color: var(--text);
  border-bottom: 2px solid var(--border);
  position: sticky; top: 48px; z-index: 5;
  background: var(--bg);
}
.category-header:first-child { margin-top: 0; }
.category-count {
  font-size: 12px; font-weight: 600; color: var(--text2);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 1px 8px; margin-left: auto;
}

.stat { transition: transform .15s, border-color .15s; }
.stat:hover { transform: translateY(-2px); border-color: var(--accent); }
.stat:active { transform: translateY(0); }

.dept-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
  margin-bottom: 8px; transition: border-color .2s; cursor: pointer;
}
.dept-card:hover { border-color: var(--accent); }

.dept-top {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 8px;
}
.dept-school { font-size: 12px; color: var(--text2); }
.dept-name { font-size: 15px; font-weight: 700; margin-top: 2px; }
.dept-group {
  font-size: 11px; color: var(--text2);
  background: var(--bg); padding: 2px 8px;
  border-radius: 4px; white-space: nowrap;
}

.dept-badge {
  font-size: 12px; font-weight: 700; padding: 4px 10px;
  border-radius: 20px; white-space: nowrap;
}
.badge-safe { background: var(--safe-bg); color: var(--safe); }
.badge-standard { background: var(--standard-bg); color: var(--standard); }
.badge-challenge { background: var(--challenge-bg); color: var(--challenge); }
.badge-dream { background: var(--dream-bg); color: var(--dream); }
.badge-changed { background: var(--changed-bg); color: var(--changed); }
.badge-unknown { background: var(--unknown-bg); color: var(--unknown); }
.badge-fail { background: var(--fail-bg); color: var(--fail); }

.dept-details {
  display: flex; gap: 16px; margin-top: 10px;
  font-size: 12px; color: var(--text2); flex-wrap: wrap;
}
.dept-detail-item { display: flex; align-items: center; gap: 4px; }
.dept-detail-item strong { color: var(--text); font-weight: 600; }

/* ── Fail Reasons ── */
.fail-reasons {
  margin-top: 8px; padding: 8px 12px;
  background: var(--fail-bg); border-radius: 6px;
  font-size: 12px; color: var(--fail);
}
.fail-reasons p { margin: 2px 0; }

/* ── Standard Changed Notice ── */
.changed-notice {
  margin-top: 8px; padding: 8px 12px;
  background: var(--changed-bg); border-radius: 6px;
  font-size: 12px; color: var(--changed);
}

/* ── Card Expansion ── */
.dept-expand {
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease-out;
}
.dept-card.expanded .dept-expand { max-height: 2000px; }

.dept-expand-inner {
  padding-top: 12px; margin-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text2);
}
.dept-expand-inner h4 {
  font-size: 13px; color: var(--text);
  margin: 8px 0 4px; font-weight: 600;
}
.dept-expand-inner h4:first-child { margin-top: 0; }
.expand-row { margin: 2px 0; line-height: 1.8; }
.expand-row strong { color: var(--text); }
.expand-highlight { color: var(--accent2); font-weight: 600; }

/* ── Similar Recommendations ── */
.similar-section {
  margin-top: 12px; padding: 10px 12px;
  background: var(--bg2); border-radius: 6px;
}
.similar-section h4 { font-size: 12px; color: var(--accent2); margin: 0 0 6px; }
.similar-item {
  display: flex; justify-content: space-between;
  padding: 4px 0; font-size: 12px; cursor: pointer;
}
.similar-item:hover { color: var(--accent2); }
.similar-item .sim-badge { font-weight: 700; }

/* ── Prev Info ── */
.dept-prev {
  margin-top: 8px; padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text2);
}
.dept-prev strong { color: var(--accent2); }

.no-results { text-align: center; padding: 40px; color: var(--text2); }

/* ── Ad Slots ── */
.ad-slot {
  max-width: 720px; margin: 0 auto;
  padding: 0 16px; overflow: hidden;
}
.ad-slot:has(ins[data-ad-status="filled"]) {
  margin: 16px auto;
}
.ad-slot ins {
  display: block;
}
/* 隱藏尚未載入的空廣告框 */
.ad-slot ins:empty { min-height: 0; }

/* Ad in results list */
.ad-slot-inline {
  margin: 8px 0;
}
.ad-slot-inline ins:empty { min-height: 0; }

/* ── Registration Gate ── */
.reg-gate {
  position: relative; margin-top: -80px;
  padding: 80px 16px 0;
  background: linear-gradient(to bottom, transparent, var(--bg) 60px);
  z-index: 10;
}
.reg-overlay {
  background: var(--surface); border: 2px solid var(--accent);
  border-radius: var(--radius); padding: 32px 24px;
  text-align: center; max-width: 720px;
  margin: 0 auto; position: relative;
  box-shadow: 0 -20px 60px rgba(15,17,23,.9), 0 4px 24px rgba(108,92,231,.2);
}
.reg-content h3 { font-size: 20px; margin-bottom: 8px; }
.reg-content p { color: var(--text2); font-size: 14px; margin-bottom: 16px; }
.reg-input {
  width: 100%; padding: 12px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; outline: none; margin-bottom: 12px;
}
.reg-input:focus { border-color: var(--accent); }
.reg-hint { color: var(--text2); font-size: 12px; margin-top: 12px; }

/* Blurred cards */
.dept-card.blurred {
  filter: blur(6px); pointer-events: none;
  user-select: none;
}

/* ── Consultation Form ── */
.consult-section { padding: 24px 0; }
.consult-card h3 { font-size: 18px; margin-bottom: 16px; }
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: 13px; color: var(--text2);
  margin-bottom: 4px; font-weight: 500;
}
.form-group input {
  width: 100%; padding: 10px 12px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; outline: none;
}
.form-group input:focus { border-color: var(--accent); }
.consult-scores {
  font-size: 13px; color: var(--accent2);
  padding: 8px 12px; background: var(--bg2);
  border-radius: var(--radius-sm);
}
.consult-success {
  margin-top: 12px; padding: 12px;
  background: var(--safe-bg); border-radius: var(--radius-sm);
  color: var(--safe); text-align: center; font-weight: 600;
}
.consult-note {
  margin-top: 12px; font-size: 12px;
  color: var(--text2); text-align: center; line-height: 1.8;
}

/* ── CTA ── */
.cta-card {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  border-radius: var(--radius); padding: 32px 24px; text-align: center;
}
.cta-card h3 { font-size: 20px; color: #fff; margin-bottom: 8px; }
.cta-card p { color: rgba(255,255,255,.85); font-size: 14px; margin-bottom: 20px; }
.btn-cta {
  display: inline-block; padding: 12px 32px;
  background: #fff; color: var(--accent);
  border-radius: var(--radius-sm); font-size: 16px;
  font-weight: 700; text-decoration: none; transition: transform .1s;
}
.btn-cta:hover { transform: scale(1.02); }
.cta-inline-card { margin: 16px 0; }
.cta-inline-card .cta-card { overflow-wrap: break-word; word-break: break-word; }

/* ── Footer ── */
.footer {
  padding: 24px 0 40px; text-align: center;
  font-size: 12px; color: var(--text2); line-height: 1.8;
}
.footer-brand { margin-top: 8px; color: var(--accent2); font-weight: 600; }

/* ── Loading ── */
.loading { text-align: center; padding: 40px; color: var(--text2); }
.loading-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Year Tabs / Subject Tabs ── */
.year-tabs, .subject-tabs {
  display: flex; gap: 6px; margin: 16px 0;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.year-tab, .subject-tab {
  flex-shrink: 0; padding: 6px 16px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 20px; color: var(--text2);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all .2s;
}
.year-tab:hover, .subject-tab:hover { border-color: var(--accent); color: var(--text); }
.year-tab.active, .subject-tab.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* ── Five Standards Table ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 12px; }
.five-std-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px; white-space: nowrap;
}
.five-std-table th {
  padding: 10px 12px; text-align: center;
  background: var(--bg); color: var(--text2);
  font-size: 12px; font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.five-std-table td {
  padding: 10px 12px; text-align: center;
  border-bottom: 1px solid var(--border);
}
.five-std-table td:first-child { text-align: left; font-weight: 600; }
.five-std-table tbody tr:hover { background: var(--bg2); }
.diff-up { color: var(--fail); font-size: 11px; }
.diff-down { color: var(--safe); font-size: 11px; }
.diff-same { color: var(--text2); font-size: 11px; }
.five-std-diff {
  margin-top: 16px; padding: 12px;
  background: var(--bg); border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text2); line-height: 1.8;
}

/* ── 高亮使用者級分所在行 ── */
.five-std-table tr.highlight-row { background: rgba(108,92,231,.15); }

/* ── Changes Page ── */
.changes-section { padding: 16px 0; }
.changes-count { font-size: 14px; color: var(--changed); font-weight: 600; margin-top: 8px; }
.changes-filters, .history-filters {
  display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; align-items: center;
}
.search-input {
  flex: 1; min-width: 200px; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; outline: none;
}
.search-input:focus { border-color: var(--accent); }
.filter-select {
  padding: 10px 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 13px; outline: none;
}
.changes-list, .history-list { margin-top: 8px; }
.change-card, .history-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
  margin-bottom: 8px; cursor: pointer;
}
.change-card:hover, .history-card:hover { border-color: var(--accent); }
.change-header, .history-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 8px;
}
.change-school, .history-school { font-size: 12px; color: var(--text2); }
.change-dep, .history-dep { font-size: 15px; font-weight: 700; margin-top: 2px; }
/* 歷年標準卡片展開收合 */
.history-card .history-body { display: none; margin-top: 10px; }
.history-card.expanded .history-body { display: block; }
.history-toggle-icon {
  font-size: 11px; color: var(--text2); transition: transform .2s;
}
.history-card.expanded .history-toggle-icon { transform: rotate(180deg); }
.history-section-title {
  font-size: 13px; font-weight: 700; color: var(--text);
  margin: 14px 0 4px; padding-top: 10px;
  border-top: 1px solid var(--border);
}
.history-section-title:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.history-enroll { font-size: 11px; color: var(--text2); margin-left: 6px; }
.change-detail {
  margin-top: 10px; padding: 8px 12px;
  background: var(--changed-bg); border-radius: 6px;
  font-size: 13px; color: var(--text); line-height: 1.8;
}
.change-old { color: var(--text2); text-decoration: line-through; }
.change-new { color: var(--changed); font-weight: 700; }
.change-arrow { color: var(--text2); margin: 0 6px; }
.badge-changed-sm {
  font-size: 11px; padding: 2px 8px;
  background: var(--changed-bg); color: var(--changed);
  border-radius: 12px; font-weight: 600;
}

/* ── History Check Table ── */
.check-table {
  width: 100%; border-collapse: collapse;
  font-size: 13px; margin-top: 10px;
}
.check-table th {
  padding: 6px 10px; text-align: center;
  background: var(--bg); color: var(--text2);
  font-size: 11px; font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.check-table td {
  padding: 6px 10px; text-align: center;
  border-bottom: 1px solid var(--border);
}
.check-table td:first-child { text-align: left; font-weight: 600; }
.check-up { color: var(--changed); font-weight: 600; }
.check-down { color: var(--safe); font-weight: 600; }
.check-same { color: var(--text2); }
.check-new { color: var(--standard); font-weight: 600; }
.check-removed { color: var(--text2); text-decoration: line-through; }

/* ── Expand Info Grid ── */
.expand-info-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px 16px; margin-top: 8px;
}
.expand-info-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0; font-size: 13px;
}
.info-label { color: var(--text2); }
.info-value { font-weight: 600; }
.expand-info-item.full-width { grid-column: 1 / -1; }
.cac-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--accent); text-decoration: none; font-size: 13px; font-weight: 500;
}
.cac-link:hover { text-decoration: underline; }

/* ── History Toggle ── */
.history-toggle {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text2); cursor: pointer; white-space: nowrap;
}
.history-toggle input { accent-color: var(--accent); }

/* ── Wishlist ── */
.wish-btn {
  background: none; border: none; font-size: 18px; cursor: pointer;
  color: var(--text2); transition: color 0.15s; padding: 0; line-height: 1;
  flex-shrink: 0;
}
.wish-btn:hover { color: var(--fail); }
.wish-btn.active { color: #e74c3c; }
.wish-count { font-size: 11px; color: var(--accent); }
.wishlist-section { padding: 16px 0; }
.wishlist-actions { display: flex; gap: 8px; margin-top: 12px; }
.btn-secondary {
  padding: 8px 16px; font-size: 13px; font-weight: 600;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { color: var(--fail); border-color: var(--fail); }
.btn-danger:hover { background: var(--fail-bg); }
.wishlist-items { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.wishlist-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--surface); border-radius: var(--radius-sm);
  border: 1px solid var(--border); cursor: grab; transition: opacity 0.15s;
}
.wishlist-item:hover { border-color: var(--accent); }
.wishlist-item.dragging { opacity: 0.4; }
.wish-order {
  font-size: 18px; font-weight: 700; color: var(--accent);
  min-width: 28px; text-align: center; flex-shrink: 0;
}
.wishlist-info { flex: 1; min-width: 0; }
.wishlist-school { font-size: 12px; color: var(--text2); }
.wishlist-dep { font-size: 14px; font-weight: 600; margin-top: 2px; }
.wish-remove {
  background: none; border: none; font-size: 16px; color: var(--text2);
  cursor: pointer; padding: 4px 8px; flex-shrink: 0;
}
.wish-remove:hover { color: var(--fail); }
.wishlist-empty { text-align: center; padding: 40px; color: var(--text2); }

/* ── Score Map ── */
.score-map-section { padding: 16px 0; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .header { padding: 20px 0 8px; }
  .logo { font-size: 20px; }
  .subtitle { font-size: 12px; }
  .card { padding: 16px; }
  .card h2 { font-size: 16px; }
  .hint { font-size: 12px; }
  .score-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .score-item label { font-size: 12px; }
  .score-item input { padding: 10px 4px; font-size: 18px; }
  .stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    overflow-x: visible;
  }
  .stat { padding: 8px 4px; min-width: 0; }
  .stat-num { font-size: 16px; }
  .stat-label { font-size: 9px; }
  .filter-row { flex-wrap: wrap; }
  .filter-row select { min-width: calc(50% - 4px); }
  .share-row { flex-direction: column; }
  .dept-details { gap: 8px; }
  .dept-badge { font-size: 11px; padding: 3px 8px; }
  .dept-name { font-size: 14px; }
  .nav-tab { padding: 6px 12px; font-size: 12px; }
  .cta-card { padding: 24px 16px; }
  .cta-card h3 { font-size: 16px; }
  .cta-card p { font-size: 13px; }
  .five-std-table th, .five-std-table td { padding: 8px 8px; font-size: 13px; }
  .changes-filters, .history-filters { flex-direction: column; }
  .search-input { min-width: 100%; }
}

/* ── Schedule Page ── */
.schedule-section { padding: 16px 0; }
.schedule-list { margin-top: 12px; }
.schedule-item {
  display: flex; gap: 14px; padding: 16px;
  background: var(--surface); border-radius: 10px;
  border: 1px solid var(--border); margin-bottom: 8px;
  position: relative;
}
.schedule-item.past { opacity: 0.5; }
.schedule-item.upcoming { border-left: 3px solid var(--accent); }
.schedule-icon { font-size: 24px; min-width: 32px; text-align: center; padding-top: 2px; }
.schedule-content { flex: 1; }
.schedule-date { font-size: 13px; font-weight: 600; color: var(--accent); }
.schedule-title { font-size: 15px; font-weight: 600; margin: 2px 0; }
.schedule-desc { font-size: 12px; color: var(--text2); }