/* ============================================================
   Meta Content Dashboard
   風格：莫蘭迪暗色系（Morandi Dark）
   特色：低飽和奶茶灰 × 霧粉 × 灰藍，柔和優雅
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================================
   莫蘭迪色盤
   ============================================================ */
:root {
    /* 背景：深版莫蘭迪 - 帶微紫的炭灰 */
    --bg:         #131116;
    --bg-2:       #1a1720;
    --bg-card:    rgba(210, 200, 215, 0.045);
    --bg-card-hover: rgba(210, 200, 215, 0.075);

    /* 邊框：霧紫灰 */
    --border:      rgba(190, 180, 200, 0.1);
    --border-hover: rgba(190, 180, 200, 0.2);

    /* 文字：溫柔奶白 */
    --text:    #e8dde8;
    --text-2:  #8c8096;
    --text-3:  #4a4358;

    /* 主色：霧粉玫瑰（莫蘭迪招牌） */
    --rose:     #c4a0b0;
    --rose-2:   #d4b0c0;
    --rose-bg:  rgba(196, 160, 176, 0.12);
    --rose-border: rgba(196, 160, 176, 0.25);

    /* 輔色：灰藍（冷靜） */
    --mist:     #8fa8c0;
    --mist-bg:  rgba(143, 168, 192, 0.1);

    /* 輔色：鼠尾草綠（自然） */
    --sage:     #96a890;
    --sage-bg:  rgba(150, 168, 144, 0.1);

    /* 平台色（略微降飽和，融入莫蘭迪調性） */
    --fb:      #6090cc;
    --fb-bg:   rgba(96, 144, 204, 0.1);
    --fb-border: rgba(96, 144, 204, 0.2);
    --ig:      #cc7898;
    --ig-bg:   rgba(204, 120, 152, 0.1);
    --ig-border: rgba(204, 120, 152, 0.2);

    /* 圓角 */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
}

/* ============================================================
   全域
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    /* 隱約的莫蘭迪背景暈染 */
    background-image:
        radial-gradient(ellipse 80% 50% at -10% 0%,   rgba(196,160,176,0.05) 0%, transparent 55%),
        radial-gradient(ellipse 60% 60% at 110% 100%, rgba(143,168,192,0.04) 0%, transparent 55%);
    background-attachment: fixed;
}

/* ============================================================
   頂部導覽列
   ============================================================ */
#main-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(19, 17, 22, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    height: 62px;
    padding: 0 28px;
    display: flex; align-items: center;
}

.header-content {
    width: 100%; max-width: 1440px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
}

.brand { display: flex; align-items: center; gap: 12px; }

/* Logo：霧粉漸層 */
.brand-logo {
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, #c4a0b0, #8fa8c0);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 700; color: #131116;
    letter-spacing: -0.5px;
}

.brand h1 {
    font-size: 16px; font-weight: 600;
    color: var(--text); letter-spacing: -0.2px;
}

.brand .subtitle {
    font-size: 10px; color: var(--text-3);
    letter-spacing: 1.2px; text-transform: uppercase;
    display: block; margin-top: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.auth-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.auth-status {
    font-size: 12px;
    color: var(--text-2);
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-fb {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #1877f2;
    border: none;
    color: #fff;
    padding: 8px 14px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-fb:hover { opacity: 0.9; }

.btn-logout {
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-2);
    padding: 7px 12px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    text-decoration: none;
    cursor: pointer;
}
.btn-logout:hover {
    border-color: var(--rose);
    color: var(--rose-2);
}

/* 複製給 AI 分析按鈕：霧粉邊框風格 */
.btn-claude {
    display: flex; align-items: center; gap: 7px;
    background: var(--rose-bg);
    border: 1px solid var(--rose-border);
    color: var(--rose-2);
    padding: 8px 16px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 13px; font-weight: 500;
    cursor: pointer; transition: all 0.25s;
}

.btn-claude:hover {
    background: rgba(196, 160, 176, 0.2);
    border-color: rgba(196, 160, 176, 0.4);
    transform: translateY(-1px);
}

/* ============================================================
   主內容
   ============================================================ */
main {
    max-width: 1440px; margin: 0 auto;
    padding: 28px 28px 72px;
}

/* ============================================================
   篩選列
   ============================================================ */
.filter-bar {
    display: flex; align-items: flex-end;
    justify-content: space-between; gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 14px 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filter-left {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.page-picker label {
    font-size: 10px; color: var(--text-3);
    text-transform: uppercase; letter-spacing: 0.8px;
    display: block;
    margin-bottom: 3px;
}

.page-picker-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-select {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text);
    padding: 8px 12px;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    outline: none;
    cursor: pointer;
    min-width: 220px;
    max-width: 360px;
    transition: border-color 0.2s;
}
.page-select:focus { border-color: var(--rose); }
.page-select:disabled { opacity: 0.5; cursor: wait; }

.btn-refresh-pages {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text-2);
    width: 36px; height: 36px;
    border-radius: var(--r-sm);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    transition: border-color 0.2s, color 0.2s;
}
.btn-refresh-pages:hover {
    border-color: var(--rose);
    color: var(--rose-2);
}

.page-hint {
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-3);
    line-height: 1.4;
}

/* 快速日期按鈕 */
.quick-dates { display: flex; gap: 6px; flex-wrap: wrap; }

.quick-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-2);
    padding: 6px 14px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 12px; font-weight: 400;
    cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.quick-btn:hover {
    border-color: var(--border-hover);
    color: var(--text);
}
.quick-btn.active {
    background: var(--rose-bg);
    border-color: var(--rose-border);
    color: var(--rose-2);
    font-weight: 500;
}

/* 日期輸入 */
.date-inputs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.date-field { display: flex; flex-direction: column; gap: 3px; }
.date-field label {
    font-size: 10px; color: var(--text-3);
    text-transform: uppercase; letter-spacing: 0.8px;
}

.date-input {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text);
    padding: 7px 12px;
    font-family: 'Inter', sans-serif;
    font-size: 13px; outline: none; cursor: pointer;
    transition: border-color 0.2s;
}
.date-input:focus { border-color: var(--rose); }
::-webkit-calendar-picker-indicator { filter: invert(0.5) sepia(0.2); cursor: pointer; }

.date-sep { color: var(--text-3); font-size: 13px; }

/* 查詢按鈕：霧粉玫瑰 */
.btn-search {
    display: flex; align-items: center; gap: 7px;
    background: linear-gradient(135deg, #c4a0b0, #a090c0);
    border: none; color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 13px; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
    white-space: nowrap; align-self: flex-end;
    letter-spacing: 0.2px;
}
.btn-search:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-search:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

/* ============================================================
   頁籤
   ============================================================ */
.tabs-wrapper {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px; gap: 14px; flex-wrap: wrap;
}

.tabs {
    display: flex; gap: 3px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md); padding: 4px;
}

.tab {
    display: flex; align-items: center; gap: 7px;
    background: none; border: none;
    color: var(--text-2);
    padding: 9px 18px; border-radius: var(--r-sm);
    font-family: 'Inter', sans-serif;
    font-size: 13px; font-weight: 400;
    cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.tab:hover { color: var(--text); }

/* 啟用頁籤：霧粉 × 灰藍漸層 */
.tab.active {
    background: linear-gradient(135deg, rgba(196,160,176,0.2), rgba(143,168,192,0.2));
    border: 1px solid rgba(196,160,176,0.2);
    color: var(--rose-2);
    font-weight: 500;
}

.tab-count {
    background: rgba(196, 160, 176, 0.15);
    color: var(--rose);
    padding: 2px 8px; border-radius: 10px;
    font-size: 11px; font-weight: 600;
}

.tab.active .tab-count {
    background: rgba(196, 160, 176, 0.25);
}

.summary-stats { font-size: 12px; color: var(--text-3); }

/* ============================================================
   頁籤內容
   ============================================================ */
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   發文容器
   ============================================================ */
.posts-container { display: flex; flex-direction: column; gap: 8px; }

.empty-state {
    text-align: center; padding: 80px 20px; color: var(--text-3);
}
.empty-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; font-weight: 300; }

.loading-state {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; padding: 60px 20px;
    color: var(--text-2); font-size: 14px; font-weight: 300;
}
.spinner {
    width: 16px; height: 16px;
    border: 1.5px solid var(--border);
    border-top-color: var(--rose);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   發文卡片：莫蘭迪風格
   ============================================================ */
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 16px 20px;
    display: flex; gap: 16px;
    transition: background 0.2s, border-color 0.2s;
    position: relative; overflow: hidden;
}

.post-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

/* 左側平台色條：略細 */
.post-card.fb-card::before {
    content: ''; position: absolute;
    left: 0; top: 12px; bottom: 12px; width: 2px;
    background: var(--fb);
    border-radius: 2px; opacity: 0.7;
}
.post-card.ig-card::before {
    content: ''; position: absolute;
    left: 0; top: 12px; bottom: 12px; width: 2px;
    background: linear-gradient(to bottom, #d4a0a0, #c078b4);
    border-radius: 2px; opacity: 0.8;
}

/* 縮圖 */
.post-thumb {
    width: 72px; height: 72px;
    border-radius: var(--r-sm);
    object-fit: cover; flex-shrink: 0;
    background: var(--bg-2);
    border: 1px solid var(--border);
}
.post-thumb-placeholder {
    width: 72px; height: 72px;
    border-radius: var(--r-sm);
    background: var(--bg-2);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; opacity: 0.3; flex-shrink: 0;
}

/* 卡片主體 */
.post-body { flex: 1; min-width: 0; }

/* 頂部資訊 */
.post-meta {
    display: flex; align-items: center;
    gap: 8px; margin-bottom: 8px; flex-wrap: wrap;
}

.post-date { font-size: 11px; color: var(--text-3); font-weight: 300; }

.platform-badge {
    font-size: 10px; font-weight: 500;
    padding: 2px 8px; border-radius: 8px;
    letter-spacing: 0.3px;
}
.badge-fb {
    background: var(--fb-bg);
    color: var(--fb);
    border: 1px solid var(--fb-border);
}
.badge-ig {
    background: var(--ig-bg);
    color: var(--ig);
    border: 1px solid var(--ig-border);
}

.media-type-badge {
    font-size: 10px; color: var(--text-3);
    background: rgba(210,200,215,0.05);
    padding: 2px 8px; border-radius: 8px;
    border: 1px solid var(--border);
}

.post-link {
    margin-left: auto;
    font-size: 11px; color: var(--mist);
    text-decoration: none; opacity: 0.6;
    transition: opacity 0.2s; white-space: nowrap;
}
.post-link:hover { opacity: 1; }

/* 文章內容 */
.post-content {
    font-size: 13.5px; color: var(--text);
    line-height: 1.75; margin-bottom: 10px;
    font-weight: 300;
}
.post-content.collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.expand-btn {
    background: none; border: none;
    color: var(--rose); font-size: 11px; font-weight: 400;
    cursor: pointer; padding: 0; margin-bottom: 10px;
    font-family: 'Inter', sans-serif; opacity: 0.7;
    transition: opacity 0.2s;
}
.expand-btn:hover { opacity: 1; }

/* 數據列：莫蘭迪色小標籤 */
.post-metrics {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.metric {
    display: flex; align-items: center; gap: 4px; font-size: 12px;
}
.metric-icon { font-size: 12px; opacity: 0.7; }
.metric-value { font-weight: 500; color: var(--text); }
.metric-label { color: var(--text-3); font-size: 11px; font-weight: 300; }

.metric-loading {
    display: inline-block;
    width: 26px; height: 9px;
    background: linear-gradient(90deg,
        rgba(210,200,215,0.04) 0%,
        rgba(210,200,215,0.1) 50%,
        rgba(210,200,215,0.04) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.6s infinite;
    border-radius: 4px;
}
@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================================
   Toast 提示：霧粉
   ============================================================ */
.toast {
    position: fixed; bottom: 30px; left: 50%;
    transform: translateX(-50%);
    background: rgba(196, 160, 176, 0.95);
    color: #131116; padding: 11px 22px; border-radius: 20px;
    font-size: 13px; font-weight: 500;
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s; z-index: 999;
    backdrop-filter: blur(12px);
}
.toast.show { opacity: 1; }

/* ============================================================
   響應式
   ============================================================ */
@media (max-width: 768px) {
    main { padding: 16px 16px 48px; }
    .filter-bar { flex-direction: column; align-items: flex-start; }
    .page-select { min-width: 0; width: 100%; max-width: none; }
    .page-picker-row { width: 100%; }
    .date-inputs { flex-wrap: wrap; }
    .tabs-wrapper { flex-direction: column; align-items: flex-start; }
    .post-card { flex-wrap: wrap; }
    .post-thumb, .post-thumb-placeholder { width: 56px; height: 56px; }
}