/* ==========================================================================
   MemoirFlow 加密回憶錄 - 完整樣式表
   ========================================================================== */

/* 基礎重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* 優化後的全域字體變數 - 更明顯的差異和更好的可讀性 */
:root {
    /* 預設字體大小 (中) */
    --mf-title-size: 28px;           /* 回憶錄標題 */
    --mf-subtitle-title-size: 16px;  /* 事件標題 */
    --mf-subtitle-text-size: 14px;   /* 事件描述 */
    --mf-date-size: 12px;            /* 日期 */
}

/* 小字體 - 適合視力較好或喜歡緊湊顯示的用戶 */
html[data-font="small"] {
    --mf-title-size: 18px;           /* 減少 10px - 明顯更小 */
    --mf-subtitle-title-size: 12px;  /* 減少 4px */
    --mf-subtitle-text-size: 10px;   /* 減少 4px */
    --mf-date-size: 9px;             /* 減少 3px */
}

/* 中字體 - 預設舒適大小 */
html[data-font="medium"] {
    --mf-title-size: 28px;           /* 預設值 */
    --mf-subtitle-title-size: 16px;  /* 預設值 */
    --mf-subtitle-text-size: 14px;   /* 預設值 */
    --mf-date-size: 12px;            /* 預設值 */
}

/* 大字體 - 適合視力較弱或喜歡大字的用戶 */
html[data-font="large"] {
    --mf-title-size: 40px;           /* 增加 12px - 明顯更大 */
    --mf-subtitle-title-size: 22px;  /* 增加 6px */
    --mf-subtitle-text-size: 20px;   /* 增加 6px */
    --mf-date-size: 16px;            /* 增加 4px */
}

/* 超大字體 */
html[data-font="xlarge"] {
  --mf-title-size: 52px;
  --mf-subtitle-title-size: 26px;
  --mf-subtitle-text-size: 24px;
  --mf-date-size: 18px;
}

/* 手機版響應式調整 - 確保在小螢幕上也有合適的大小 */
@media (max-width: 768px) {
    :root {
        /* 手機版中字體 */
        --mf-title-size: 24px;
        --mf-subtitle-title-size: 14px;
        --mf-subtitle-text-size: 12px;
        --mf-date-size: 11px;
    }

    html[data-font="small"] {
        /* 手機版小字體 */
        --mf-title-size: 16px;           /* 很小，節省空間 */
        --mf-subtitle-title-size: 11px;
        --mf-subtitle-text-size: 9px;
        --mf-date-size: 8px;
    }

    html[data-font="medium"] {
        /* 手機版中字體 */
        --mf-title-size: 24px;
        --mf-subtitle-title-size: 14px;
        --mf-subtitle-text-size: 12px;
        --mf-date-size: 11px;
    }

    html[data-font="large"] {
        /* 手機版大字體 */
        --mf-title-size: 32px;           /* 在手機上仍然很大 */
        --mf-subtitle-title-size: 20px;
        --mf-subtitle-text-size: 18px;
        --mf-date-size: 15px;
    }

    html[data-font="xlarge"] {
        --mf-title-size: 40px;
        --mf-subtitle-title-size: 22px;
        --mf-subtitle-text-size: 20px;
        --mf-date-size: 16px;
    }
}

@media (max-width: 480px) {
    :root {
        /* 超小螢幕調整 */
        --mf-title-size: 22px;
        --mf-subtitle-title-size: 13px;
        --mf-subtitle-text-size: 11px;
        --mf-date-size: 10px;
    }

    html[data-font="small"] {
        /* 超小螢幕小字體 */
        --mf-title-size: 14px;           /* 非常緊湊 */
        --mf-subtitle-title-size: 10px;
        --mf-subtitle-text-size: 8px;
        --mf-date-size: 7px;
    }

    html[data-font="medium"] {
        /* 超小螢幕中字體 */
        --mf-title-size: 22px;
        --mf-subtitle-title-size: 13px;
        --mf-subtitle-text-size: 11px;
        --mf-date-size: 10px;
    }

    html[data-font="large"] {
        /* 超小螢幕大字體 */
        --mf-title-size: 30px;           /* 在超小螢幕上仍保持大字 */
        --mf-subtitle-title-size: 18px;
        --mf-subtitle-text-size: 16px;
        --mf-date-size: 14px;
    }

    html[data-font="xlarge"] {
        --mf-title-size: 36px;
        --mf-subtitle-title-size: 20px;
        --mf-subtitle-text-size: 18px;
        --mf-date-size: 15px;
    }
}

/* ==========================================================================
   基礎佈局
   ========================================================================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f172a 100%);
    color: white;
    overflow: hidden;
    height: 100vh;
    overscroll-behavior: none;
}

.container {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f172a 100%);
    overflow: hidden;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   密碼輸入面板
   ========================================================================== */

.password-modal {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f172a);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease-out;
    backdrop-filter: blur(10px);
}

.password-container {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.password-icon {
    font-size: 80px;
    margin-bottom: 20px;
    color: #3b82f6;
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.password-title {
    color: white;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.password-subtitle {
    color: #60a5fa;
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.5;
}

.password-input-group {
    margin-bottom: 25px;
    position: relative;
    width: 100%;
}

.password-input {
    width: 100% !important;
    padding: 12px 45px 12px 16px !important;
    border: 1px solid rgba(107, 114, 128, 0.3) !important;
    border-radius: 12px !important;
    background: rgba(17, 24, 39, 0.8) !important;
    color: white !important;
    font-size: 16px !important;
    outline: none !important;
    box-sizing: border-box;    
    will-change: auto;
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: border-color 0.15s ease !important;
}

.password-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

.password-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.password-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.password-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.password-toggle-btn:hover {
    color: #ffffff !important;
    transform: translateY(-50%) scale(1.1) !important;
    transition: all 0.15s ease !important;
}

.password-toggle-btn:active {
    transform: translateY(-50%) scale(0.95) !important;
}

@media (max-width: 768px) {
    .password-input {
        font-size: 16px !important; /* 防止 iOS Safari 自動縮放 */
        -webkit-text-size-adjust: 100%;
        -webkit-appearance: none;
    }
}

.password-input:-webkit-autofill,
.password-input:-webkit-autofill:hover,
.password-input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px rgba(17, 24, 39, 0.8) inset !important;
    -webkit-text-fill-color: white !important;
    transition: background-color 5000s ease-in-out 0s !important;
}

.unlock-btn {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    min-width: 120px;
}

.unlock-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.unlock-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.cancel-btn {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
}

.cancel-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(107, 114, 128, 0.4);
}

.password-error {
    color: #ef4444;
    font-size: 14px;
    margin-top: 15px;
    padding: 10px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.password-help {
    margin-top: 20px;
    padding: 15px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    font-size: 12px;
    color: #60a5fa;
    line-height: 1.4;
}

/* ==========================================================================
   載入畫面
   ========================================================================== */

.loading-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f172a);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s ease-out;
    backdrop-filter: blur(10px);
}

.loading-animation {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(59, 130, 246, 0.2);
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
    margin-bottom: 30px;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-title {
    color: white;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.loading-subtitle {
    color: #60a5fa;
    font-size: 16px;
    margin-bottom: 10px;
    text-align: center;
}

.loading-status {
    color: #9ca3af;
    font-size: 14px;
    text-align: center;
    font-style: italic;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* ==========================================================================
   Header 區域
   ========================================================================== */

.header {
    position: relative;
    z-index: 50;
    background: linear-gradient(to bottom, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.9) 70%, transparent 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(107, 114, 128, 0.3);
    transition: all 0.3s ease;
}

/* Title Container */
#title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.9), rgba(31, 41, 55, 0.8));
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    position: relative;
}

.title-area {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
    max-width: 500px;
}

.title-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.1));
    backdrop-filter: blur(8px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 16px;
    padding: 10px 20px;
    box-shadow: 
        0 4px 16px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.title-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.title-box:hover::before {
    left: 100%;
}

.title-box:hover {
    transform: translateY(-1px);
    box-shadow: 
        0 6px 20px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.title-text {
    color: white;
    font-size: var(--mf-title-size);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    line-height: 1.15;
}

.mobile-title {
    display: none;
    color: white;
    font-size: var(--mf-title-size);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    padding: 8px 40px 8px 8px;
    line-height: 1.15;
}

/* Header Toggle Button */
.header-toggle-btn {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(99, 102, 241, 0.8));
    border: 1px solid rgba(147, 197, 253, 0.6);
    border-radius: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    z-index: 10;
    position: relative;
    box-shadow: 
        0 2px 8px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.header-toggle-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.header-toggle-btn:hover::before {
    opacity: 1;
}

.header-toggle-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 4px 16px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border-color: rgba(147, 197, 253, 0.8);
}

.header-toggle-btn:active {
    transform: translateY(0) scale(0.98);
}

.header-toggle-btn.collapsed {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.9), rgba(5, 150, 105, 0.8));
    border-color: rgba(110, 231, 183, 0.6);
}

.header-toggle-btn.collapsed:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 4px 16px rgba(16, 185, 129, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.header-toggle-btn.mobile {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    margin-left: 0;
}

.header-toggle-btn.mobile.collapsed {
    transform: translateY(-50%);
}

.header-toggle-btn.mobile:hover {
    transform: translateY(-50%) translateY(-2px) scale(1.05);
}

.header-toggle-btn.mobile.collapsed:hover {
    transform: translateY(-50%) translateY(-2px) scale(1.05);
}

/* Header Content - 可收合的控制面板 */
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    gap: 8px;
    min-height: 60px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: top;
    opacity: 1;
    visibility: visible;
    transform: scaleY(1);
    will-change: transform, opacity, height, padding, margin;
}

/* 確保收合狀態下的完全隱藏 */
.header-content[style*="display: none"] {
    display: none !important;
}

/* 防止內容溢出 */
.header-content * {
    transition: opacity 0.3s ease;
}

/* 收合時內部元素也要淡出 */
.header.collapsed .header-content * {
    opacity: 0;
}

.header-content.collapsed {
    max-height: 0;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    opacity: 0;
    visibility: hidden;
    border-top: 0;
    border-bottom: 0;
    pointer-events: none;
}

.header-content:not(.collapsed) {
    height: 60px;
    opacity: 1;
    transform: scaleY(1);
    visibility: visible;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Control Buttons */
.control-btn {
    width: 32px;
    height: 32px;
    background: rgba(31, 41, 55, 0.8);
    border: 1px solid rgba(107, 114, 128, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    position: relative;
}

.control-btn:hover {
    background: rgba(55, 65, 81, 0.8);
    transform: scale(1.05);
}

.encryption-indicator {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: #10b981;
    border: 1px solid rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    50% { box-shadow: 0 0 0 4px rgba(16, 185, 129, 0); }
}

/* Navigation Buttons */
.nav-btn {
    width: 28px;
    height: 28px;
    background: rgba(55, 65, 81, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.nav-btn:hover:not(.disabled) {
    background: rgba(75, 85, 99, 0.8);
}

.nav-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.event-counter {
    color: white;
    font-size: 12px;
    white-space: nowrap;
    padding: 4px 12px;
    text-align: center;
    min-width: 50px;
}

.media-counter {
    color: rgb(156, 163, 175);
    font-size: 12px;
    white-space: nowrap;
    background: rgba(31, 41, 55, 0.6);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

/* Settings Menu */
.settings-menu{
  display: none;
  position: fixed;            /* 變成懸浮視窗 */
  z-index: 11000;
  left: 12px; top: 72px;
  width: min(340px, calc(100vw - 24px));
  padding: 12px;
  border-radius: 14px;

  /* ── 讓它有質感的「玻璃卡片」── */
  background: rgba(17, 24, 39, 0.88);                 /* 深色半透明 */
  border: 1px solid rgba(255,255,255,0.08);           /* 細邊框 */
  box-shadow: 0 10px 40px rgba(0,0,0,.50);            /* 陰影 */
  color: #e5e7eb;

  /* 背景霧化（Safari 要前綴） */
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);

  /* 入場動畫 */
  transform: translateY(6px) scale(.98);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;

  /* 避免與背後內容混合造成怪異效果 */
  isolation: isolate;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.settings-close {
    background: transparent;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background 0.2s;
}

.settings-close:hover {
    background: rgba(255,255,255,0.1);
    color: #f87171;
}

/* 顯示狀態 */
.settings-menu.visible{
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* 背景光暈點綴（可刪） */
.settings-menu::before{
  content:"";
  position:absolute; inset:0;
  border-radius: inherit;
  background:
    radial-gradient(120% 80% at 10% -10%, rgba(59,130,246,.18), transparent 40%),
    radial-gradient(120% 80% at 90% 110%, rgba(16,185,129,.12), transparent 40%);
  pointer-events: none;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(107, 114, 128, 0.2);
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item span {
    color: white;
    font-size: 12px;
}

.toggle-switch {
    width: 40px;
    height: 20px;
    background: #6b7280;
    border-radius: 10px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s;
}

.toggle-switch.active {
    background: #3b82f6;
}

.toggle-knob {
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.3s;
}

.toggle-switch.active .toggle-knob {
    transform: translateX(20px);
}

.settings-btn {
    width: 100%;
    background: #10b981;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.settings-btn:hover {
    background: #059669;
}

/* Font Size Controls */
.font-size-controls {
    display: inline-flex;
    gap: 6px;
    margin-left: 8px;
}

.font-btn {
    background: rgba(31, 41, 55, 0.7);
    color: #e5e7eb;
    border: 1px solid rgba(107, 114, 128, 0.5);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: transform .06s ease, background .2s ease, border-color .2s ease;
}

.font-btn:hover { 
    transform: translateY(-1px); 
}

.font-btn.active {
    background: rgba(59, 130, 246, 0.85);
    border-color: rgba(147, 197, 253, 0.7);
    color: white;
}

/* ==========================================================================
   字幕區域
   ========================================================================== */

.subtitle-area {
    padding: 12px 16px;
    backdrop-filter: blur(4px);
    border-radius: 12px;
    margin: 12px 16px 12px 16px;
    border: 1px solid rgba(107, 114, 128, 0.2);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    opacity: 1;
    position: relative;
    z-index: 10;
}

.subtitle-area.transitioning {
    opacity: 0.5;
    transform: scale(0.98);
}

.subtitle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.event-date {
    color: rgb(209, 213, 219);
    font-size: var(--mf-date-size);
    flex-shrink: 0;
}

.event-title {
    color: white;
    font-size: var(--mf-subtitle-title-size);
    font-weight: bold;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.25;
}

.subtitle-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.event-description {
    position: absolute;
    left: 0;
    color: rgb(229, 231, 235);
    font-size: var(--mf-subtitle-text-size);
    line-height: 1.7;
    transition: opacity 0.3s ease;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.8) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    padding: 12px 16px;
    border-radius: 8px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin-top: 8px;
}

/* ==========================================================================
   主要內容區域
   ========================================================================== */

.main-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.5s ease;
    flex: 1;
}


.main-content.transitioning {
    opacity: 0.7;
    transform: scale(0.98);
}

.media-area {
    flex: 1;
    position: relative;
    padding: 8px 12px;
    min-height: 0;
    padding-bottom: 40px;
}

/* ==========================================================================
   媒體輪播模式
   ========================================================================== */

.media-carousel {
    width: 100%;
    height: 100%;
    display: flex;
    gap: 16px;
}

.main-media {
    flex: 1;
    position: relative;
    background: linear-gradient(135deg, #1f2937, #000000);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(107, 114, 128, 0.3);
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
    transition: all 0.5s ease;
}

.main-media.transitioning {
    opacity: 0.5;
    transform: scale(0.95);
}

.media-display {
    position: absolute;
    inset: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.media-display img,
.media-display video {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    object-fit: contain;
    cursor: pointer;
    transition: opacity 0.3s;
}

/* YouTube Container */
.youtube-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    border-radius: 8px;
}

.youtube-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Media Navigation Buttons */
.media-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(31, 41, 55, 0.9);
    border: 1px solid rgba(107, 114, 128, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    z-index: 20;
}

.media-nav-btn:hover:not(.disabled) {
    background: rgba(55, 65, 81, 0.9);
    transform: translateY(-50%) scale(1.05);
}

.media-nav-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.media-nav-btn.prev {
    left: 16px;
}

.media-nav-btn.next {
    right: 16px;
}

.media-counter-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(17, 24, 39, 0.9);
    border: 1px solid rgba(107, 114, 128, 0.5);
    color: white;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    z-index: 20;
}

/* ==========================================================================
   媒體縮圖導航
   ========================================================================== */

.media-thumbnails {
    width: 80px;
    position: relative;
    display: flex;
    align-items: center;
}

.thumbnails-container {
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(31, 41, 55, 0.8), rgba(17, 24, 39, 0.6));
    border-radius: 12px;
    border: 1px solid rgba(107, 114, 128, 0.2);
    padding: 12px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnails-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    height: 100%;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    min-height: 100%;
}

.thumbnails-scroll::-webkit-scrollbar {
    display: none;
}

.thumbnail-item {
    position: relative;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.thumbnail-item.active {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
}

.thumbnail-item:hover:not(.active) {
    border-color: rgba(107, 114, 128, 0.7);
    transform: scale(1.02);
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-video-icon {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid rgba(107, 114, 128, 0.5);
    border-radius: 50%;
    padding: 2px;
    color: white;
}

.thumbnail-index {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    font-size: 10px;
    text-align: center;
    padding: 2px;
}

/* ==========================================================================
   媒體網格模式
   ========================================================================== */

.media-grid {
    width: 100%;
    height: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #1f2937, #000000, #1f2937);
    transition: all 0.3s ease;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    height: 100%;
    overflow-y: auto;
}

.grid-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.grid-item.active {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
}

.grid-item:hover:not(.active) {
    border-color: rgba(107, 114, 128, 0.7);
    transform: scale(1.02);
}

.grid-item-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid-item-content img,
.grid-item-content video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.grid-item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: white;
    padding: 8px;
    border-top: 1px solid rgba(107, 114, 128, 0.3);
}

.grid-item-name {
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================================================
   時間軸面板
   ========================================================================== */

.timeline-panel {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 101;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.timeline-panel.visible {
    opacity: 1;
    pointer-events: all;
}

.timeline-content {
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 24px;
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
}

.timeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.timeline-title {
    color: white;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-close {
    width: 32px;
    height: 32px;
    background: rgba(107, 114, 128, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.timeline-close:hover {
    background: rgba(107, 114, 128, 0.4);
}

.timeline-scroll {
    overflow-y: auto;
    max-height: 60vh;
    position: relative;
    padding-left: 8px;
}

.timeline-line {
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(107, 114, 128, 0.3);
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: start;
    gap: 16px;
    padding-bottom: 32px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    opacity: 0.9;
}

.timeline-item.active {
    opacity: 1;
}

.timeline-node {
    position: relative;
    z-index: 10;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid white;
    background: #6b7280;
    transition: all 0.3s;
    margin-left: 8px;
}

.timeline-item.active .timeline-node {
    background: #3b82f6;
    border-color: #60a5fa;
    transform: scale(1.25);
}

.timeline-item:hover .timeline-node {
    background: #60a5fa;
}

.timeline-event {
    flex: 1;
    min-width: 0;
}

.timeline-event-content {
    background: rgba(31, 41, 55, 0.5);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.3s;
    border: 1px solid rgba(107, 114, 128, 0.2);
}

.timeline-item:hover .timeline-event-content {
    background: rgba(31, 41, 55, 0.8);
}

.timeline-event-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.timeline-event-date {
    font-size: 10px;
    color: #9ca3af;
    background: rgba(107, 114, 128, 0.2);
    border-radius: 20px;
    padding: 4px 8px;
}

.timeline-event-title {
    font-weight: 600;
    color: white;
    font-size: 14px;
}

.timeline-item.active .timeline-event-title {
    color: #60a5fa;
}

.timeline-event-description {
    color: #d1d5db;
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.timeline-event-media {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: #9ca3af;
}

/* ==========================================================================
   說明面板
   ========================================================================== */

.help-panel {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.help-panel.visible {
    opacity: 1;
    pointer-events: all;
}

.help-content {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 24px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.help-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.help-title {
    color: white;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.help-section {
    margin-bottom: 24px;
}

.help-section h3 {
    color: #60a5fa;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.help-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 14px;
    color: #d1d5db;
}

.help-key {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    color: white;
    min-width: 40px;
    text-align: center;
}

.help-tip {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 16px;
    color: #d1d5db;
    font-size: 12px;
    line-height: 1.5;
}

.help-tip h4 {
    color: #60a5fa;
    font-weight: 600;
    margin-bottom: 8px;
}

/* ==========================================================================
   全螢幕媒體檢視器
   ========================================================================== */

.media-viewer {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8); /* 黑色半透明背景 */
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    z-index: 10000;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.media-viewer.visible {
    opacity: 1;
    pointer-events: all;
}

.media-viewer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 60;
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(8px);
}

.media-viewer-close:hover {
    background: rgba(0, 0, 0, 0.7);
}

.media-viewer-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
}

.media-viewer-content img,
.media-viewer-content video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* ==========================================================================
   跑馬燈效果
   ========================================================================== */

.truncate-one-line {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.marquee {
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 24px, #000 calc(100% - 24px), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 24px, #000 calc(100% - 24px), transparent 100%);
}

.marquee__inner {
    display: inline-flex;
    gap: var(--gap, 48px);
    will-change: transform;
    animation: marquee-scroll linear infinite;
    animation-duration: var(--duration, 12s);
}

.marquee__content {
    display: inline-block;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - var(--gap, 48px)/2)); }
}

.marquee:hover .marquee__inner {
    animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
    .marquee .marquee__inner { 
        animation: none; 
    }
}

/* ==========================================================================
   動畫效果
   ========================================================================== */

.fade-in {
    animation: fadeIn 0.3s ease;
}

.fade-out {
    animation: fadeOut 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.95); }
}

.slide-in-right {
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.slide-out-left {
    animation: slideOutLeft 0.3s ease;
}

@keyframes slideOutLeft {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(-100%); opacity: 0; }
}

@keyframes titleGlow {
    0%, 100% { 
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 0 rgba(59, 130, 246, 0); 
    }
    50% { 
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 20px rgba(59, 130, 246, 0.3); 
    }
}

.title-text:hover,
.mobile-title:hover {
    animation: titleGlow 2s ease-in-out infinite;
}

.typewriter-cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ==========================================================================
   滾動條樣式
   ========================================================================== */

*::-webkit-scrollbar {
    width: 4px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

*::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   響應式設計
   ========================================================================== */

@media (max-width: 768px) {
    /* Title Container */
    #title-container {
        padding: 10px 12px;
    }
    
    .title-area {
        display: none;
    }

    .mobile-title {
        display: block;
    }
    
    .header-toggle-btn:not(.mobile) {
        display: none;
    }
    
    /* Header Content */
    .header-content {
        padding: 8px 12px;
        min-height: 56px;
    }
    
    .header-content:not(.collapsed) {
        height: auto;
    }
    
    .control-btn {
        width: 28px;
        height: 28px;
    }

    /* Subtitle Area */
    .subtitle-area {
        margin: 8px 8px 8px 8px;
        padding: 10px 12px;
    }
    
    .header.collapsed .subtitle-area {
        margin-top: 6px;
    }

    /* Media Display */
    .media-display {
        inset: 8px;
    }
    
    .youtube-container {
        padding-bottom: 56.25%;
        border-radius: 6px;
    }
    
    /* Thumbnails */
    .media-carousel {
        flex-direction: column;
        gap: 12px;
    }

    .main-media {
        flex: 1;
    }

    .media-thumbnails {
        width: 100%;
        height: 80px;
        order: 2;
    }

    .thumbnails-container {
        padding: 8px 12px;
    }

    .thumbnails-scroll {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        overflow-x: auto;
        overflow-y: hidden;
        height: 100%;
        gap: 8px;
    }

    .thumbnail-item {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
    }
    
    .thumbnail-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }

    /* Media Navigation */
    .media-nav-btn {
        width: 40px;
        height: 40px;
    }

    .media-nav-btn.prev {
        left: 8px;
    }

    .media-nav-btn.next {
        right: 8px;
    }

    /* Grid */
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .grid-item-content {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }
    
    .grid-item-content .youtube-container {
        padding-bottom: 100%;
    }

    /* Panels */
    .timeline-content {
        padding: 16px;
        margin: 8px;
    }

    .help-content {
        padding: 16px;
        margin: 8px;
    }

    .password-container {
        padding: 30px 20px;
    }

    .password-title {
        font-size: 20px;
    }

    .password-subtitle {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .youtube-container {
        padding-bottom: 75%;
    }
    
    .media-display {
        inset: 4px;
    }
}

/* ==========================================================================
   進度指示器
   ========================================================================== */

.progress-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.95) 0%, 
        rgba(0, 0, 0, 0.8) 70%, 
        transparent 100%);
    backdrop-filter: blur(8px);
    padding: 12px 16px 16px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.progress-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.progress-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 12px;
    color: #9ca3af;
}

.progress-label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.progress-stats {
    display: flex;
    align-items: center;
    gap: 8px;
}

.progress-dots {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: wrap;
    max-height: 60px;
    overflow: hidden;
    position: relative;
}

.progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(107, 114, 128, 0.4);
    border: 1px solid rgba(107, 114, 128, 0.3);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex-shrink: 0;
}

.progress-dot:hover {
    background: rgba(156, 163, 175, 0.6);
    border-color: rgba(156, 163, 175, 0.5);
    transform: scale(1.3);
}

.progress-dot.completed {
    background: linear-gradient(135deg, #10b981, #059669);
    border-color: #34d399;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
}

.progress-dot.current {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-color: #60a5fa;
    transform: scale(1.4);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
    animation: pulse-current 2s infinite;
}

.progress-dot.current::after {
    content: '';
    position: absolute;
    inset: -3px;
    border: 2px solid rgba(59, 130, 246, 0.4);
    border-radius: 50%;
    animation: ripple 2s infinite;
}

@keyframes pulse-current {
    0%, 100% { 
        box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
    }
    50% { 
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* 當格子太多時的滾動模式 */
.progress-dots.scrollable {
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: nowrap;
    padding: 4px 0 8px 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(59, 130, 246, 0.3) transparent;
}

.progress-dots.scrollable::-webkit-scrollbar {
    height: 3px;
}

.progress-dots.scrollable::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.progress-dots.scrollable::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.4);
    border-radius: 2px;
}

/* 工具提示 */
.progress-dot[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 11px;
    white-space: nowrap;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
}

.progress-dot[data-tooltip]:hover::after {
    content: '';
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    z-index: 1001;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .progress-indicator {
        padding: 10px 12px 14px 12px;
    }

    .progress-info {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .progress-dot {
        width: 6px;
        height: 6px;
    }

    .progress-dot.current {
        transform: scale(1.5);
    }

    .progress-dots {
        gap: 3px;
        max-height: 40px;
    }
}

@media (max-width: 480px) {
    .progress-indicator {
        padding: 8px 10px 12px 10px;
    }

    .progress-info {
        font-size: 10px;
    }

    .progress-dot {
        width: 5px;
        height: 5px;
    }

    .progress-dots {
        gap: 2px;
    }
}

/* === 左側懸浮工具列（Quick Dock） === */
.quick-dock {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translate(-110%, -50%); /* 初始在螢幕外左側 */
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 12px;
    background: rgba(17, 24, 39, 0.7);               /* #111827 */
    border: 1px solid rgba(107, 114, 128, 0.35);     /* #6B7280 */
    border-left: none;
    border-radius: 0 16px 16px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
    backdrop-filter: blur(6px);
    z-index: 10;
    opacity: 0.0;
    transition: transform 320ms cubic-bezier(.22,.61,.36,1), opacity 240ms ease;
    pointer-events: none; /* 關閉時避免點擊 */
}

.quick-dock.open {
    transform: translate(0, -50%);
    opacity: 1;
    pointer-events: auto;
}

.dock-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(59,130,246,.95), rgba(29,78,216,.95)); /* 藍色漸層 */
    color: #fff;
    border: 0;
    border-radius: 14px;
    padding: 12px 14px;
    min-width: 150px;
    cursor: pointer;
    text-align: left;
    transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
    box-shadow: 0 6px 16px rgba(59, 130, 246, .35);
}

.dock-item:hover { transform: translateX(2px) scale(1.02); }
.dock-item:active { transform: translateX(0) scale(0.99); }

.dock-icon {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.18);
    flex: 0 0 auto;
}

.dock-label {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .2px;
    line-height: 1.2;
}

/* 小尺寸（手機）微調 */
@media (max-width: 640px) {
    .dock-item { min-width: 140px; padding: 10px 12px; }
    .dock-icon { width: 26px; height: 26px; }
    .dock-label { font-size: 14px; }
}

/* 讓 headerContent 完全不佔位（此處強制覆蓋舊動畫樣式） */
.header-content {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
    opacity: 0 !important;
}

/* 讓它變成可拖曳的懸浮視窗（你已在 JS 加上 .floating） */
.settings-menu.floating {
  position: fixed;
  z-index: 9999;
  left: 12px;  /* 初始值，開啟時會被 JS 覆寫 */
  top: 72px;
  width: 280px; /* 依需要調整 */
  box-shadow: 0 12px 32px rgba(0,0,0,.35);
  border-radius: 12px;
}

/* 拖曳握把（如果你有加） */
.settings-menu .drag-handle{
  display:flex; align-items:center; gap:8px;
  margin:-8px -8px 8px; padding:10px 12px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  border-radius: 12px 12px 0 0;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  cursor: grab; user-select:none; touch-action:none;
}

.settings-menu.dragging .drag-handle{ cursor:grabbing; }

/* 每個設定列 */
.settings-menu .settings-item{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 12px;
  border-radius:10px;
}
.settings-menu .settings-item + .settings-item{ margin-top:6px; }
.settings-menu .settings-item:hover{ background: rgba(255,255,255,.04); }

/* 底部按鈕（使用說明等） */
.settings-menu .settings-btn{
  width:100%; margin-top:12px;
  display:flex; align-items:center; gap:8px;
  padding:10px 12px; border-radius:10px;
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.30);
  color:#dbeafe;
}
.settings-menu .settings-btn:hover{ background: rgba(59,130,246,.18); }


/* 速度按鈕（跟 font-btn 類似的膠囊按鈕） */
.typewriter-speed-controls { display:flex; gap:8px; }
.speed-btn{
  padding:6px 10px;
  border-radius:8px;
  background: rgba(31,41,55,.6);
  border:1px solid rgba(107,114,128,.3);
  color:#e5e7eb;
  font-size:12px;
}
.speed-btn.active{ outline:2px solid rgba(59,130,246,.6); }