/* ============================================
   股票分析系统 - 样式
   ============================================ */

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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #253247;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --up: #22c55e;
    --down: #ef4444;
    --neutral: #f59e0b;
    --border: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding-bottom: 60px;
}

.app {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 8px;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
}

/* Section */
.section {
    margin-bottom: 20px;
}

.section h2 {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Indices Grid */
.indices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.index-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.index-name {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.index-price {
    font-size: 16px;
    font-weight: 600;
}

.index-price.up { color: var(--up); }
.index-price.down { color: var(--down); }

/* Stocks List */
.stocks-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stock-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

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

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

.stock-symbol {
    font-size: 18px;
    font-weight: 700;
}

.stock-name {
    font-size: 13px;
    color: var(--text-muted);
    flex: 1;
}

.verdict-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.verdict-bull { background: rgba(34, 197, 94, 0.2); color: var(--up); }
.verdict-bear { background: rgba(239, 68, 68, 0.2); color: var(--down); }
.verdict-neutral { background: rgba(245, 158, 11, 0.2); color: var(--neutral); }

.stock-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.stock-price {
    font-size: 20px;
    font-weight: 700;
}

.daily-change {
    font-size: 14px;
    font-weight: 600;
}

.daily-change.up { color: var(--up); }
.daily-change.down { color: var(--down); }

.stats-row {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.signal-row {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.signal-row span:first-child { color: var(--up); }
.signal-row span:last-child { color: var(--down); }

.direction-tag {
    margin-top: 8px;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    font-size: 12px;
    color: var(--accent);
    display: inline-block;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 24px;
    max-width: 400px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
}

.modal-content h2 {
    margin-bottom: 16px;
}

.detail-section {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
}

.detail-section h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.detail-section p {
    font-size: 15px;
    margin-bottom: 4px;
}

.verdict-large {
    font-size: 24px;
    font-weight: 700;
}

/* Tab Bar */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    border-top: 1px solid var(--border);
}

.tab-item {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    padding: 8px 16px;
    cursor: pointer;
    transition: color 0.2s;
}

.tab-item.active {
    color: var(--accent);
}

/* Page */
.page {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
    padding-bottom: 60px;
}

.page h1 {
    font-size: 20px;
    margin-bottom: 16px;
}

/* History */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
}

/* Settings */
.settings-content {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 16px;
}

.settings-content p {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

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

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Error */
.error {
    text-align: center;
    padding: 20px;
    color: var(--down);
}

/* Empty */
.empty {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    font-size: 12px;
    color: var(--text-muted);
}

/* Toast */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast.show {
    opacity: 1;
}

/* Responsive */
@media (max-width: 380px) {
    .indices-grid {
        grid-template-columns: 1fr;
    }
}