/* =======================================================
   📱 首頁手機版調整（home_mobile.js）
   放在 <head> 最後載入，蓋過 index.css 與頁面內嵌樣式裡的手機規則
   1. 熱門、殿規改成從下方滑上來的面板，按鈕放在底部「全海域」兩側
   2. 瓶子跟電腦版一樣三欄、中間那欄往下錯開，尺寸縮小
   3. 拿掉「呼喚海流」按鈕，改成在最上面往下拉刷新
======================================================= */

/* 👤 訪客模式（沒登入，index.html 在 <html> 標上 is-guest）：電腦版、手機版的通知鈴鐺都不顯示 */
html.is-guest .notification-bell,
html.is-guest .mobile-bell-wrapper {
  display: none !important;
}

/* 電腦版用不到的東西先藏起來 */
.home-sheet-btn,
.home-sheet-overlay,
.home-sheet-close,
.pull-refresh-indicator {
  display: none;
}

@media screen and (max-width: 768px) {
  /* ---------- 1. 熱門、殿規：底部面板 ---------- */
  .popular-drawer-handle,
  .rules-drawer-handle {
    display: none !important;
  }

  .ocean-popular-board,
  .ocean-rules-board,
  .ocean-popular-board.collapsed,
  .ocean-rules-board.collapsed,
  .ocean-popular-board:not(.collapsed),
  .ocean-rules-board:not(.collapsed) {
    position: fixed !important;
    top: auto !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    max-height: 78vh !important; max-height: 78dvh !important;
    margin: 0 !important;
    border-radius: 22px 22px 0 0 !important;
    z-index: 200002 !important; /* 標題列是 200000，面板要蓋在它上面 */
    transition: transform 0.3s ease, visibility 0.3s !important;
    box-sizing: border-box !important;
  }
  .ocean-popular-board.collapsed,
  .ocean-rules-board.collapsed {
    transform: translateY(105%) !important;
    visibility: hidden !important;
  }
  .ocean-popular-board:not(.collapsed),
  .ocean-rules-board:not(.collapsed) {
    transform: translateY(0) !important;
    visibility: visible !important;
  }
  .ocean-popular-board .popular-content-wrapper,
  .ocean-rules-board .rules-content-wrapper {
    position: static !important;
    width: 100% !important;
    max-width: none !important;
    max-height: 78vh !important; max-height: 78dvh !important;
    overflow-y: auto !important;
    padding: 18px 18px calc(18px + env(safe-area-inset-bottom)) !important;
    box-sizing: border-box !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    border-radius: 22px 22px 0 0 !important;
  }
  /* 面板頂端的小橫條，看起來就知道是可以收起來的面板 */
  .ocean-popular-board .popular-content-wrapper::before,
  .ocean-rules-board .rules-content-wrapper::before {
    content: "";
    display: block;
    width: 44px;
    height: 5px;
    margin: -6px auto 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.35);
  }

  .home-sheet-close {
    display: flex;
    position: absolute;
    top: 12px;
    right: 14px;
    z-index: 2;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
  }

  .home-sheet-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 200001;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }
  .home-sheet-overlay.is-open {
    opacity: 1;
    visibility: visible;
  }

  /* 底部「全海域」兩側的圓形按鈕 */
  .home-sheet-btn {
    display: flex;
    position: fixed;
    bottom: calc(22px + env(safe-area-inset-bottom));
    z-index: 9999;
    width: 50px;
    height: 50px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    border: 2px solid #4da6ff;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a2341, #0055a5);
    box-shadow: 0 6px 16px rgba(0, 20, 50, 0.35);
    color: #fff;
    font-size: 1.15rem;
    line-height: 1;
    cursor: pointer;
  }
  .home-sheet-btn small { font-size: 0.6rem; font-weight: 900; }
  .home-sheet-btn.is-popular { left: 14px; border-color: #facc15; }
  .home-sheet-btn.is-rules { right: 14px; }
  body.in-detail-view .home-sheet-btn { display: none; }

  /* 中間的「全海域」縮窄一點，左右才放得下兩顆按鈕 */
  .mobile-board-trigger {
    min-width: 0 !important;
    width: calc(100vw - 150px) !important;
    max-width: 240px !important;
    padding: 13px 18px !important;
    box-sizing: border-box !important;
  }

  /* ---------- 2. 瓶子：跟「每日便利貼」一樣排在 3D 球上，用手指轉 ----------
     --bottle（瓶子直徑）與 --sphere-h（球的區域高度）由 home_mobile.js 依剩下的空間算好；
     每個瓶子的位置、大小、遠近由 home_mobile.js 寫進 --t（transform）、opacity、filter
     頁面可以上下滑（在球以外的地方滑），底部留空間給「全海域」按鈕 */
  #feed-view {
    --bottle: clamp(64px, 27vw, 120px);
    overflow-x: hidden !important;
    overflow-y: auto !important;
    padding-bottom: 110px !important;
  }
  #post-container {
    display: block !important;
    position: relative !important;
    height: var(--sphere-h, 320px) !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 auto !important;
    max-width: none !important;
    touch-action: none; /* 手指在球上拖是轉球，不要讓瀏覽器拿去捲動 */
    user-select: none;
    -webkit-user-select: none;
    cursor: grab;
  }
  #post-container:active { cursor: grabbing; }
  #post-container .post-card,
  #post-container .post-card:nth-child(n) {
    position: absolute !important;
    left: 50% !important;
    top: 50% !important;
    width: var(--bottle) !important;
    height: var(--bottle) !important;
    margin: calc(var(--bottle) * -0.5) 0 0 calc(var(--bottle) * -0.5) !important;
    padding: calc(var(--bottle) * 0.08) calc(var(--bottle) * 0.06) !important;
    box-sizing: border-box !important;
    justify-content: center !important;
    will-change: transform, opacity;
  }
  /* 3D 位置用變數套上：index.css 的 .post-card:hover 有 transform !important，
     手機點過之後會一直停在 hover，不用更高的優先順序蓋過去，瓶子會跳回正中間；
     呼喚海流的飛走動畫進行中就讓給動畫 */
  #post-container .post-card:not(.swept-away),
  #post-container .post-card:not(.swept-away):hover {
    transform: var(--t, none) !important;
    /* index.css 的瓶子有漂浮動畫 ocean-gentle-flow（改 top 0 ↔ -12px）。
       Chrome 會讓上面的 top: 50% !important 贏，但 iPhone Safari 讓動畫贏，
       瓶子會全部被拉到球區域最上面、一邊漂一邊轉，所以 3D 球裡的瓶子不要這個動畫 */
    animation: none !important;
  }
  /* 正前方那個瓶子亮一點，看得出來可以點開 */
  /* 🫧 每個瓶子本身的立體感：像一顆會反光的玻璃球
     由上到下的圖層：左上的亮反光點 → 右下的反射光 → 玻璃本體（中間透亮、邊緣變深，看起來是圓的） */
  #post-container .post-card {
    background:
      radial-gradient(ellipse 26% 15% at 31% 19%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.35) 55%, rgba(255, 255, 255, 0) 100%),
      radial-gradient(ellipse 5% 5% at 20% 34%, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0) 100%),
      radial-gradient(ellipse 30% 16% at 66% 86%, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0) 100%),
      radial-gradient(circle at 45% 40%, rgba(240, 249, 255, 0.85) 0, rgba(186, 230, 253, 0.7) 45%, rgba(56, 152, 210, 0.7) 82%, rgba(8, 92, 150, 0.85) 100%) !important;
    border: 1.5px solid rgba(255, 255, 255, 0.75) !important;
    box-shadow:
      inset calc(var(--bottle) * -0.07) calc(var(--bottle) * -0.09) calc(var(--bottle) * 0.16) rgba(3, 60, 110, 0.35),
      inset calc(var(--bottle) * 0.05) calc(var(--bottle) * 0.06) calc(var(--bottle) * 0.12) rgba(255, 255, 255, 0.6),
      0 calc(var(--bottle) * 0.1) calc(var(--bottle) * 0.18) rgba(0, 30, 70, 0.3) !important;
  }
  /* 瓶塞：木頭的圓柱感（左右暗、中間亮，上緣一條亮邊） */
  #post-container .post-card::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0 12%, rgba(255, 255, 255, 0) 12%),
      linear-gradient(90deg, #6d4526 0%, #b8865a 35%, #c99a6b 48%, #8f6038 78%, #5e3a1f 100%) !important;
    box-shadow: inset 0 -2px 3px rgba(0, 0, 0, 0.25) !important;
  }
  /* 瓶口：透明玻璃環，上亮下暗 */
  #post-container .post-card::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(214, 238, 252, 0.9) 45%, rgba(147, 197, 233, 0.9) 100%) !important;
    box-shadow: 0 2px 4px rgba(0, 40, 80, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.9) !important;
  }
  /* 正前方的瓶子：外圈一道白光，看得出來可以點開 */
  #post-container .post-card.is-front:not(.swept-away) {
    box-shadow:
      0 0 0 3px rgba(255, 255, 255, 0.8),
      inset calc(var(--bottle) * -0.07) calc(var(--bottle) * -0.09) calc(var(--bottle) * 0.16) rgba(3, 60, 110, 0.35),
      inset calc(var(--bottle) * 0.05) calc(var(--bottle) * 0.06) calc(var(--bottle) * 0.12) rgba(255, 255, 255, 0.6),
      0 calc(var(--bottle) * 0.12) calc(var(--bottle) * 0.22) rgba(0, 30, 70, 0.35) !important;
  }
  /* 瓶塞跟著縮小 */
  #post-container .post-card::before {
    top: calc(var(--bottle) * -0.145) !important;
    width: calc(var(--bottle) * 0.29) !important;
    height: calc(var(--bottle) * 0.155) !important;
  }
  #post-container .post-card::after {
    top: calc(var(--bottle) * -0.04) !important;
    width: calc(var(--bottle) * 0.37) !important;
    height: calc(var(--bottle) * 0.08) !important;
  }
  /* 瓶子裡的字（原本是寫在 HTML 上的樣式，要用 !important 蓋過去）
     瓶子是圓的：越靠上下兩端越窄，所以每一行都限制寬度，太長就變成「…」 */
  #post-container .post-card > div:first-child {
    flex-direction: column !important;
    gap: calc(var(--bottle) * 0.02) !important;
    margin-bottom: calc(var(--bottle) * 0.02) !important;
    width: 100% !important;
  }
  #post-container .post-card > div:first-child > div {
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
  }
  /* 看板（最上面那行，圓在這裡最窄） */
  #post-container .post-card > div:first-child > div:first-child {
    max-width: 70% !important;
    font-size: clamp(7px, calc(var(--bottle) * 0.086), 12px) !important;
    line-height: 1.2 !important;
  }
  /* 作者 */
  #post-container .post-card > div:first-child > div:nth-child(2) {
    max-width: 66% !important;
    font-size: clamp(6.5px, calc(var(--bottle) * 0.077), 11px) !important;
    line-height: 1.3 !important;
    padding: 0 calc(var(--bottle) * 0.05) !important;
  }
  /* 標題：在中間，最多兩行 */
  #post-container .post-card h2 {
    max-width: 82% !important;
    margin: calc(var(--bottle) * 0.02) 0 0 !important;
    font-size: clamp(8px, calc(var(--bottle) * 0.104), 15px) !important;
    line-height: 1.22 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    word-break: break-all !important;
  }

  /* ---------- 3. 拿掉呼喚海流按鈕，改成往下拉刷新 ---------- */
  .ocean-refresh-btn {
    display: none !important;
  }
  #feed-view {
    overscroll-behavior-y: contain;
  }
  .pull-refresh-indicator {
    display: flex;
    position: fixed;
    left: 50%;
    z-index: 9000;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    background: rgba(10, 35, 65, 0.85);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 900;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -20px);
    transition: opacity 0.2s, transform 0.2s;
  }
  .pull-refresh-indicator.is-pulling { opacity: 1; }
  .pull-refresh-indicator.is-ready { background: rgba(2, 132, 199, 0.95); }
  .pull-refresh-indicator .pr-icon { display: inline-block; transition: transform 0.2s; }
  .pull-refresh-indicator.is-ready .pr-icon { transform: rotate(180deg); }
  .pull-refresh-indicator.is-loading .pr-icon { animation: pr-spin 0.8s linear infinite; }
}

@keyframes pr-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .ocean-popular-board, .ocean-rules-board, .home-sheet-overlay, .pull-refresh-indicator { transition: none !important; }
}

/* =======================================================
   📱 今日一題、我的海域在手機上改成精簡版；畫面不要整個被拖動
======================================================= */
@media screen and (max-width: 768px) {
  /* 畫面不要左右晃（上下可以滑；雙指縮放還是可以） */
  html,
  body {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    overflow-x: hidden !important;
    touch-action: pan-y pinch-zoom;
  }

  /* ---------- 今日一題 ---------- */
  #daily-question-card {
    margin-top: 12px !important;
    padding: 0 12px 10px !important;
    border-radius: 18px !important;
  }
  #daily-question-card .dq-head { padding: 9px 0 !important; }
  #daily-question-card .dq-badge { font-size: 0.85rem !important; }
  #daily-question-card .dq-question { margin: 0 0 8px !important; font-size: 0.95rem !important; }
  /* 選項排成一排（欄數由 daily_question.js 依選項數設定） */
  #daily-question-card .dq-options {
    grid-template-columns: repeat(var(--dq-cols, 5), minmax(0, 1fr)) !important;
    gap: 5px !important;
  }
  #daily-question-card .dq-option {
    min-height: 0 !important;
    padding: 6px 2px 5px !important;
    gap: 1px !important;
    border-width: 1.5px !important;
    border-radius: 12px !important;
  }
  #daily-question-card .dq-emoji { font-size: 1.35rem !important; }
  #daily-question-card .dq-label {
    font-size: 0.6rem !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }
  #daily-question-card .dq-percent { font-size: 0.75rem !important; }
  #daily-question-card .dq-foot { margin-top: 6px !important; font-size: 0.7rem !important; }

  /* ---------- 我的海域 ---------- */
  #my-ocean-card {
    margin-top: 10px !important;
    padding: 0 12px 10px !important;
    border-radius: 18px !important;
  }
  #my-ocean-card .mo-toggle { padding: 9px 0 !important; }
  #my-ocean-card .mo-badge { font-size: 0.85rem !important; }
  #my-ocean-card .mo-tabs { gap: 6px !important; margin-bottom: 6px !important; }
  #my-ocean-card .mo-tab { padding: 4px 10px !important; font-size: 0.75rem !important; border-width: 1.5px !important; }
  #my-ocean-card .mo-list { gap: 5px !important; }
  /* 每則只留一行：看板＋標題，後面接作者與時間；不顯示內容開頭 */
  #my-ocean-card .mo-item {
    flex-direction: row !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 7px 10px !important;
    border-radius: 10px !important;
  }
  #my-ocean-card .mo-item-top { flex: 1 1 auto !important; gap: 5px !important; }
  #my-ocean-card .mo-board { font-size: 0.62rem !important; padding: 0 6px !important; }
  #my-ocean-card .mo-title { font-size: 0.8rem !important; }
  #my-ocean-card .mo-preview { display: none !important; }
  #my-ocean-card .mo-meta { flex: none !important; max-width: 38%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.65rem !important; }
  #my-ocean-card .mo-empty { margin: 2px 0 !important; font-size: 0.75rem !important; }
  #my-ocean-card .mo-more { padding: 4px 12px !important; font-size: 0.75rem !important; }
}

/* 今日一題、我的海域在手機上窄一點，兩側多留一些海 */
@media screen and (max-width: 768px) {
  #daily-question-card,
  #my-ocean-card {
    width: min(calc(100% - 64px), 340px) !important;
  }
}