/* ==========================================================================
   家長站「學測作戰地圖」— Liquid Glass 透鏡配方定版樣式
   依據：handover/2028-website/design_glass_v1/spec_v1.md
   ========================================================================== */

:root {
  --bg-page: #FAF7EF;
  --text-main: #0D2242;
  --text-muted: #556377;
  --accent-orange: #B34E08;
  --gold-glow: #F0BE5C;
  --blue-glow: #4E8BD2;
  --border-light: rgba(13, 34, 66, 0.08);
  --border-line: rgba(13, 34, 66, 0.12);
  --font-sans: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  padding-bottom: 96px;
}

/* ==================== 頁面背景對稱色暈層 (等量對稱) ==================== */
.bg-glow-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  filter: blur(22px);
  opacity: 0.48;
}

/* 左側金色光暈 */
.glow-left {
  top: 60px;
  left: -40px;
  background: radial-gradient(circle, var(--gold-glow) 0%, rgba(240, 190, 92, 0) 70%);
}

/* 右側藍色光暈（等量對稱） */
.glow-right {
  top: 140px;
  right: -40px;
  background: radial-gradient(circle, var(--blue-glow) 0%, rgba(78, 139, 210, 0) 70%);
}

.glow-center-subtle {
  top: 480px;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 180px;
  background: radial-gradient(ellipse, rgba(240, 190, 92, 0.22) 0%, rgba(78, 139, 210, 0.18) 60%, transparent 80%);
}

/* ==================== 容器 ==================== */
.page-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  padding: 16px 20px 40px 20px;
}

/* ==========================================================================
   二、清透透鏡配方 (.glass)
   - 模糊 ≤3px、飽和度 1.8、亮度 1.03
   - 無外圈粗框、無大外投影
   - 光影全做 inset（上緣高光、下緣暗帶）
   ========================================================================== */
.glass {
  position: relative;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.65) 0%,
    rgba(255, 255, 255, 0.42) 45%,
    rgba(255, 255, 255, 0.58) 100%);
  backdrop-filter: blur(2.5px) saturate(1.8) brightness(1.03);
  -webkit-backdrop-filter: blur(2.5px) saturate(1.8) brightness(1.03);
  border: 1px solid rgba(255, 255, 255, 0.65);
  outline: 1px solid rgba(13, 34, 66, 0.05);
  box-shadow:
    inset 0 4px 8px -4px rgba(255, 255, 255, 0.75),
    inset 0 -8px 14px -8px rgba(13, 34, 66, 0.12),
    inset 0 0 0 1px rgba(13, 34, 66, 0.03);
  border-radius: 20px;
  overflow: hidden;
}

/* 玻璃反光面：左上方固定角度之淡橢圓高光 */
.glass::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 55%;
  background: radial-gradient(ellipse at 25% 0%, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  border-radius: inherit;
  z-index: 1;
}

/* ==================== 1. 倒數卡（頁面主角） ==================== */
.hero-countdown-card {
  padding: 24px 20px 20px 20px;
  text-align: center;
  margin-bottom: 22px;
}

/* 站名只縮在最上一行 */
.glass-site-brand {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* 上行小字「距離 2028 學測」 */
.countdown-sub-intro {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

/* 倒數主視覺：大數字置中 */
.countdown-headline {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin: 4px 0 8px 0;
}

.countdown-txt {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
}

.countdown-main-num {
  font-size: 4.6rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
  letter-spacing: -0.04em;
  font-feature-settings: "tnum";
}

/* 「預估學測日 2028.01.14」：一行橘字印在玻璃上，無底塊、無膠囊 */
.exam-target-date-line {
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--accent-orange);
  letter-spacing: 0.03em;
  margin-top: 6px;
}

/* ==================== 2. 時間軸（倒數卡下方） ==================== */
.timeline-section {
  margin-bottom: 28px;
  padding: 0 6px;
}

.timeline-track-wrap {
  position: relative;
  height: 28px;
  display: flex;
  align-items: center;
}

/* 橫軸加粗 */
.timeline-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(13, 34, 66, 0.18);
  border-radius: 2px;
}

/* 黑點＝月份刻度 */
.timeline-dots-row {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.timeline-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-dot {
  width: 8px;
  height: 8px;
  background-color: var(--text-main);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--bg-page);
}

.timeline-month {
  position: absolute;
  top: 14px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

/* NOW 標記小 */
.timeline-now-indicator {
  position: absolute;
  top: -19px;
  left: 0%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 3;
}

.now-tag-mini {
  background: var(--accent-orange);
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.now-pointer {
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 3px solid var(--accent-orange);
}

/* 軸下方置中一行目前階段名 */
.timeline-stage-row {
  text-align: center;
  margin-top: 18px;
}

.timeline-stage-caption {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.05em;
}

/* ==================== 3. 問答區標題列 ==================== */
.faq-header-block {
  margin-bottom: 18px;
}

.faq-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 10px;
}

.faq-main-title,
.faq-title-main {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.3;
}

.faq-week-date-pill {
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748B;
}

/* 底下一條粗線 */
.faq-thick-divider {
  height: 3px;
  background-color: var(--text-main);
  width: 100%;
  margin-bottom: 16px;
}

/* ==================== 搜尋框 ==================== */
.search-container {
  margin-bottom: 22px;
}

.search-input-shell {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box {
  width: 100%;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-line);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border-radius: 12px;
  padding: 11px 36px 11px 14px;
  font-size: 0.95rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  transition: all 0.2s ease;
}

.search-box:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--text-main);
  box-shadow: inset 0 0 0 1px var(--text-main);
}

.search-clear-cross {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  font-size: 1rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.search-count-feedback {
  font-size: 0.86rem;
  color: var(--accent-orange);
  font-weight: 700;
  margin-top: 8px;
  padding-left: 2px;
}

/* ==================== 4. 本週問答手風琴與玻璃浮層卡 ==================== */
.faq-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 題目觸控列：一題一行大字 */
.faq-q-item {
  border-radius: 14px;
  transition: background-color 0.15s ease;
}

.faq-q-header {
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border-light);
}

.faq-q-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  flex: 1;
}

.faq-q-header:hover .faq-q-text {
  color: var(--accent-orange);
}

.faq-q-arrow {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-muted);
  flex-shrink: 0;
  line-height: 1.2;
  padding-top: 2px;
  transition: transform 0.2s ease;
}

/* 點題目開玻璃浮層卡 (套用 .glass 配方) */
.faq-answer-floating-card {
  display: none;
  margin: 8px 0 16px 0;
  padding: 20px 18px;
}

.faq-q-item.is-active .faq-answer-floating-card {
  display: block;
}

.faq-q-item.is-active .faq-q-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 239, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 14px;
}

.faq-q-item.is-active .faq-q-arrow {
  transform: rotate(45deg);
  color: var(--accent-orange);
}

.faq-q-item.is-active .faq-q-text {
  color: var(--accent-orange);
}

/* 浮層卡內部題目與大字答案 */
.faq-rich-paragraphs {
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.85;
}

.faq-rich-paragraphs p {
  margin-bottom: 14px;
}

.faq-rich-paragraphs p:last-child {
  margin-bottom: 0;
}

.faq-rich-paragraphs a {
  color: var(--accent-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 來源收合區塊 */
.source-accordion-box {
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px dashed rgba(13, 34, 66, 0.12);
}

/* 將來源併入詳細說明的樣式 */
.source-in-detail-wrap {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-line);
}

.source-in-detail-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.source-summary-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.source-summary-label:hover {
  color: var(--accent-orange);
}

.source-url-list {
  list-style: none;
  padding-top: 6px;
  margin: 0;
}

.source-url-list li {
  font-size: 0.84rem;
  line-height: 1.5;
  margin-bottom: 4px;
}

.source-url-list a {
  color: var(--accent-orange);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 摺疊關聯子題 */
.folded-subquestions-wrap {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(13, 34, 66, 0.12);
}

.folded-details-item {
  border: 1px solid rgba(13, 34, 66, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
  overflow: hidden;
}

.folded-summary-btn {
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}

.folded-summary-btn::-webkit-details-marker {
  display: none;
}

.folded-summary-btn::after {
  content: "＋";
  font-size: 0.95rem;
  color: var(--accent-orange);
}

details[open] .folded-summary-btn::after {
  content: "－";
}

.folded-body-content {
  padding: 12px 14px;
  font-size: 0.96rem;
  border-top: 1px solid rgba(13, 34, 66, 0.08);
  background: rgba(255, 255, 255, 0.7);
}

/* ==================== 抽屜：過往已發布週次回看 ==================== */
.history-section-drawer {
  margin-top: 36px;
  border-top: 2px solid var(--text-main);
  padding-top: 18px;
}

.history-drawer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.history-drawer-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
}

.history-action-toggle {
  background: transparent;
  border: 1px solid var(--text-main);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
}

.history-content-flow {
  display: none;
  margin-top: 14px;
}

.history-content-flow.is-open {
  display: block;
}

.history-week-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.history-week-tag-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--accent-orange);
  margin-bottom: 8px;
  cursor: pointer;
}

/* ==========================================================================
   5. 底部切換膠囊（開關）
   - 玻璃浮條，套 .glass，圓角全圓
   - 只有一個內容時不顯示；科系上線時顯示兩顆
   - 選中顆＝深藍（#0E2547–#162F5C 漸層）鑲嵌在軌道裡，只有 inset 高光與內框，不准有外凸投影
   ========================================================================== */
.bottom-floating-tab-wrap {
  position: fixed;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 100;
  pointer-events: none;
}

.bottom-tab-track {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  padding: 5px 6px;
  border-radius: 9999px; /* 全圓 */
  gap: 4px;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.7) 0%,
    rgba(255, 255, 255, 0.45) 100%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow:
    inset 0 2px 4px rgba(255, 255, 255, 0.8),
    inset 0 -3px 6px rgba(13, 34, 66, 0.08);
}

.tab-pill-btn {
  border: none;
  background: transparent;
  padding: 8px 18px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

/* 選中顆：深藍漸層鑲嵌，只有 inset 高光與內框，嚴禁外凸投影 */
.tab-pill-btn.is-active {
  background: linear-gradient(180deg, #0E2547 0%, #162F5C 100%);
  color: #FFFFFF;
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.4),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   6. 科系分頁（未上線先占位）與玻璃詳情卡
   ========================================================================== */
.department-view-panel {
  display: none;
}

.department-card-item {
  padding: 20px 18px;
  margin-bottom: 16px;
}

.dept-header-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.dept-name-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.dept-quota-badge {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.dept-school-sub {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.dept-subjects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background: rgba(255, 255, 255, 0.6);
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
}

.dept-subj-col {
  font-size: 0.88rem;
  color: var(--text-main);
}

.dept-subj-val {
  font-weight: 800;
  color: var(--accent-orange);
}

.dept-action-row {
  display: flex;
  justify-content: flex-end;
}

.dept-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  background: var(--text-main);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.dept-link-btn:hover {
  opacity: 0.9;
}

/* 隱藏桌機專用元素 (手機預設隱藏) */
.desktop-stage-list,
.desktop-main-right,
.desktop-update-rhythm {
  display: none;
}

/* ==================== 頁尾 ==================== */
.page-footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  font-size: 0.84rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

.page-footer p:last-child {
  margin-top: 4px;
  font-size: 0.78rem;
}

/* ==========================================================================
   桌機版 (>= 1024px)
   ========================================================================== */
@media (min-width: 1024px) {
  .page-container {
    max-width: 1240px;
    padding: 0 32px;
  }

  /* 倒數區塊 */
  .hero-countdown-card {
    padding: 40px;
  }

  .glass-site-brand {
    text-align: left;
  }

  .desktop-hero-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
  }

  .desktop-hero-left {
    text-align: left;
  }

  .countdown-headline {
    white-space: nowrap;
    text-align: center; /* keep numbers centered relative to its flex box, but the left block is text-align: left */
  }

  .countdown-main-num {
    margin: 0 10px;
  }

  /* 階段清單 */
  .desktop-stage-list {
    display: block;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-main);
    line-height: 2;
    text-align: left;
    white-space: nowrap;
  }

  .desktop-stage-list li.is-active {
    color: var(--accent-orange);
    font-weight: 800;
  }

  /* 裸軸時間軸 */
  .timeline-section {
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 40px;
  }

  .timeline-line {
    height: 10px;
    border-radius: 5px;
    background: var(--text-main);
  }

  .timeline-month {
    font-size: 16px;
    font-weight: 800;
  }

  .now-pointer {
    border-top-color: var(--accent-orange);
  }

  .now-tag-mini {
    background: var(--accent-orange);
    content: 'NOW';
  }

  /* 主內容雙欄 */
  .desktop-main-layout {
    display: grid;
    grid-template-columns: minmax(640px, 1fr) 340px;
    gap: 40px;
    align-items: start;
  }

  .desktop-main-right {
    display: block;
  }

  /* 「這一期」農民曆卡 */
  .desktop-this-week-card {
    padding: 20px;
    margin-bottom: 20px;
    display: none; /* 由 JS 控制顯示 */
  }

  .desktop-this-week-body {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-main);
    line-height: 1.6;
  }

  .desktop-this-week-yi {
    color: var(--accent-orange);
    font-weight: 800;
    margin-bottom: 5px;
  }

  .desktop-this-week-ji {
    color: var(--text-muted);
    font-weight: 800;
  }

  /* 桌機版過往週次 */
  #history-drawer-section {
    display: none !important;
  }

  #desktop-history-list {
    margin-bottom: 20px;
  }

  #desktop-history-list .history-week-item {
    border-bottom: 1px solid var(--border-light);
  }

  #desktop-history-list .history-week-tag-line {
    font-size: 1.05rem;
    padding: 10px 0;
  }

  .desktop-update-rhythm {
    display: block;
    padding: 15px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 700;
    margin-top: 20px;
  }
}