/* 台灣股票分析平台 - 深色主題 */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2128;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --accent-orange: #db6d28;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

/* 頂部導航 */
.nav-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.nav-bar .logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-bar .search-box {
    width: 320px;
}

.nav-bar .search-box input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 12px;
    color: var(--text-primary);
    font-size: 14px;
}

/* 側邊欄 */
.sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    width: 200px;
    height: calc(100vh - 56px);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 16px 0;
    overflow-y: auto;
}

.sidebar .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.sidebar .menu-item:hover,
.sidebar .menu-item.active {
    color: var(--text-primary);
    background: var(--bg-primary);
    border-left: 3px solid var(--accent-blue);
}

/* 主內容區 */
.main-content {
    margin-left: 200px;
    margin-top: 56px;
    padding: 24px;
    min-height: calc(100vh - 56px);
}

/* 卡片 */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 網格佈局 */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 16px; }

/* 持股卡片 */
.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.portfolio-card .stock-name {
    font-size: 20px;
    font-weight: 700;
}

.portfolio-card .stock-id {
    color: var(--text-secondary);
    font-size: 13px;
}

.portfolio-card .price {
    font-size: 28px;
    font-weight: 700;
    margin: 12px 0;
}

.portfolio-card .pnl {
    font-size: 16px;
    font-weight: 600;
}

/* 漲跌顏色 */
.up { color: var(--accent-red) !important; }    /* 台股漲=紅 */
.down { color: var(--accent-green) !important; } /* 台股跌=綠 */
.flat { color: var(--text-secondary) !important; }

/* 指標面板 */
.indicator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.indicator-item {
    text-align: center;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
}

.indicator-item .label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.indicator-item .value {
    font-size: 18px;
    font-weight: 600;
}

/* 新聞列表 */
.news-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

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

.news-item .title {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

.news-item .title a {
    color: var(--text-primary);
    text-decoration: none;
}

.news-item .title a:hover {
    color: var(--accent-blue);
}

.news-item .meta {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* 情緒標籤 */
.sentiment-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.sentiment-tag.positive {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
}

.sentiment-tag.negative {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.sentiment-tag.neutral {
    background: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
}

/* 訊號標籤 */
.signal-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    margin: 4px;
}

.signal-tag.bullish {
    background: rgba(248, 81, 73, 0.12);
    color: var(--accent-red);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

.signal-tag.bearish {
    background: rgba(63, 185, 80, 0.12);
    color: var(--accent-green);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

/* K線圖容器 */
.chart-container {
    width: 100%;
    height: 400px;
    background: var(--bg-primary);
    border-radius: 6px;
}

/* 表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}

.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:hover {
    background: var(--bg-primary);
}

/* 載入中 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
}

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

/* 免責聲明 */
.disclaimer {
    background: rgba(210, 153, 34, 0.1);
    border: 1px solid rgba(210, 153, 34, 0.3);
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 12px;
    color: var(--accent-yellow);
    margin-top: 16px;
}

/* 搜尋下拉選單 */
.search-box {
    position: relative;
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0 0 6px 6px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.search-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

.search-item:last-child { border-bottom: none; }
.search-item:hover { background: var(--bg-primary); }

/* 頁籤 */
.tab-item {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    user-select: none;
}

.tab-item:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.tab-item.active {
    background: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
}

/* 來源標籤 */
.source-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* 股票關聯連結 */
.stock-link {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(88, 166, 255, 0.12);
    color: var(--accent-blue);
    cursor: pointer;
    transition: background 0.15s;
}

.stock-link:hover {
    background: rgba(88, 166, 255, 0.25);
}

/* 新聞內容摘要 */
.news-content {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 情緒比例條 */
.sentiment-bar {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-primary);
}

.sentiment-bar .bar-positive {
    background: var(--accent-red);
    transition: width 0.3s;
}

.sentiment-bar .bar-neutral {
    background: var(--text-secondary);
    transition: width 0.3s;
}

.sentiment-bar .bar-negative {
    background: var(--accent-green);
    transition: width 0.3s;
}

/* 分頁控制 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 0 4px;
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
}

.page-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 排行列表 */
.rank-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s;
}

.rank-item:hover {
    background: var(--bg-primary);
    margin: 0 -8px;
    padding: 8px;
    border-radius: 4px;
}

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

/* 產業板塊格子 */
.sector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.sector-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.sector-card:hover {
    border-color: var(--accent-blue);
    background: var(--bg-secondary);
}

.sector-card.active {
    border-color: var(--accent-blue);
    background: rgba(88, 166, 255, 0.1);
}

.sector-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.sector-count {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 恐懼 / 貪婪指數量表 */
.fg-gauge {}

.fg-gauge-bar {
    height: 10px;
    border-radius: 5px;
    background: linear-gradient(to right, #3fb950 0%, #d29922 50%, #f85149 100%);
    position: relative;
}

.fg-gauge-marker {
    position: absolute;
    top: -5px;
    width: 6px;
    height: 20px;
    background: #fff;
    border-radius: 3px;
    transform: translateX(-50%);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
    transition: left 0.5s ease;
}

/* AI 聊天介面 */
.chat-container {
    display: flex; flex-direction: column; height: calc(100vh - 56px);
    max-width: 900px; margin: 0 auto;
}
.chat-header { flex-shrink: 0; margin-bottom: 0; border-radius: 12px 12px 0 0; }
.chat-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple, #a855f7));
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; color: #fff;
}
.chat-action-btn {
    background: none; border: 1px solid var(--border-color); color: var(--text-secondary);
    padding: 6px; border-radius: 6px; cursor: pointer; display: flex; align-items: center;
}
.chat-action-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }
.chat-messages {
    flex: 1; overflow-y: auto; padding: 16px;
    background: var(--bg-primary); scroll-behavior: smooth;
}
.chat-welcome {
    text-align: center; padding: 60px 20px;
    color: var(--text-primary);
}
.chat-welcome-icon { font-size: 48px; margin-bottom: 12px; }
.chat-suggestions {
    display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 12px;
}
.chat-suggest-btn {
    background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-primary); padding: 8px 16px; border-radius: 20px;
    cursor: pointer; font-size: 13px; transition: all 0.2s;
}
.chat-suggest-btn:hover {
    border-color: var(--accent-blue); color: var(--accent-blue);
    background: rgba(88,166,255,0.08);
}
.chat-bubble-wrap { display: flex; margin-bottom: 12px; }
.chat-bubble-wrap.user { justify-content: flex-end; }
.chat-bubble-wrap.assistant { justify-content: flex-start; }
.chat-bubble {
    max-width: 80%; padding: 10px 14px; border-radius: 12px;
    font-size: 14px; line-height: 1.7; word-break: break-word;
}
.chat-bubble.user {
    background: var(--accent-blue); color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-bubble.assistant {
    background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border-color); border-bottom-left-radius: 4px;
}
.chat-bubble-content h2, .chat-bubble-content h3, .chat-bubble-content h4 {
    margin: 8px 0 4px; font-size: 14px; color: var(--accent-blue);
}
.chat-bubble-content h2 { font-size: 16px; }
.chat-bubble-content h3 { font-size: 15px; }
.chat-bubble-content strong { color: var(--accent-yellow, #e3b341); }
.chat-bubble-content code {
    background: rgba(255,255,255,0.08); padding: 1px 5px;
    border-radius: 3px; font-size: 13px;
}
.chat-bubble-content hr {
    border: none; border-top: 1px solid var(--border-color); margin: 8px 0;
}
.chat-bubble-content ul { padding-left: 16px; margin: 4px 0; }
.chat-bubble-content li { margin: 2px 0; }
.chat-table {
    width: 100%; border-collapse: collapse; margin: 6px 0; font-size: 12px;
}
.chat-table td {
    padding: 3px 6px; border: 1px solid var(--border-color);
}
.chat-bubble-time {
    font-size: 11px; color: var(--text-secondary); margin-top: 4px;
    opacity: 0.6;
}
.chat-bubble.user .chat-bubble-time { text-align: right; color: rgba(255,255,255,0.6); }
.chat-typing {
    display: flex; gap: 4px; padding: 4px 0; align-items: center;
}
.chat-typing span {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--text-secondary); animation: typing 1.2s infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
    0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
    30% { opacity: 1; transform: scale(1); }
}
.chat-input-area {
    flex-shrink: 0; padding: 12px 16px;
    background: var(--bg-secondary); border-top: 1px solid var(--border-color);
    border-radius: 0 0 12px 12px;
}
.chat-input-wrap {
    display: flex; gap: 8px; align-items: flex-end;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 8px 12px;
}
.chat-input-wrap textarea {
    flex: 1; background: none; border: none; color: var(--text-primary);
    font-size: 14px; resize: none; outline: none; font-family: inherit;
    max-height: 120px; line-height: 1.5;
}
.chat-input-wrap textarea::placeholder { color: var(--text-secondary); }
.chat-send-btn {
    background: var(--accent-blue); color: #fff; border: none;
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; flex-shrink: 0; transition: opacity 0.2s;
}
.chat-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.chat-send-btn:not(:disabled):hover { opacity: 0.85; }

/* 響應式 */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .nav-bar .search-box { width: 180px; }
    .sector-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .chat-bubble { max-width: 90%; }
}