/* ===== CSS Variables: Dark Theme (default) ===== */
:root {
    --bg-body: #0a0e17;
    --bg-card: #111827;
    --bg-input: #1a2332;
    --bg-chip: #0d1117;
    --border: #1e2a3a;
    --border-input: #2a3a4a;
    --text-primary: #e0e0e0;
    --text-secondary: #90a4ae;
    --text-muted: #78909c;
    --text-light: #b0bec5;
    --accent: #4fc3f7;
    --accent-hover: #29b6f6;
    --color-buy: #4caf50;
    --color-sell: #f44336;
    --color-hold: #ff9800;
    --color-link: #4fc3f7;
    --color-info: #42a5f5;
    --shadow: rgba(0,0,0,0.3);
}

/* ===== Light Theme ===== */
[data-theme="light"] {
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --bg-input: #e8eaed;
    --bg-chip: #eef0f3;
    --border: #d0d5dd;
    --border-input: #c0c5cd;
    --text-primary: #1a1a2e;
    --text-secondary: #5a6577;
    --text-muted: #8c939d;
    --text-light: #4a5568;
    --accent: #1565c0;
    --accent-hover: #1976d2;
    --color-buy: #2e7d32;
    --color-sell: #c62828;
    --color-hold: #e65100;
    --color-link: #1565c0;
    --color-info: #1976d2;
    --shadow: rgba(0,0,0,0.08);
}

/* ===== Green Theme ===== */
[data-theme="green"] {
    --bg-body: #0d1a0d;
    --bg-card: #1a2e1a;
    --bg-input: #1e3a1e;
    --bg-chip: #152815;
    --border: #2a4a2a;
    --border-input: #3a5a3a;
    --text-primary: #c8e6c8;
    --text-secondary: #8abf8a;
    --text-muted: #6a9a6a;
    --text-light: #a0d0a0;
    --accent: #4caf50;
    --accent-hover: #66bb6a;
    --color-buy: #66bb6a;
    --color-sell: #ef5350;
    --color-hold: #ffa726;
    --color-link: #4caf50;
    --color-info: #42a5f5;
    --shadow: rgba(0,0,0,0.4);
}

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

/* ===== Base ===== */
body {
    font-family: -apple-system, 'Segoe UI', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

header h1 {
    font-size: 24px;
    color: var(--accent);
}

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

/* ===== Hamburger Menu ===== */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

/* ===== Navigation ===== */
.main-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 24px;
    font-size: 14px;
}

nav a:hover, nav a.active {
    color: var(--accent);
}

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

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

/* ===== Stat Grid ===== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.stat-card .value {
    font-size: 28px;
    font-weight: bold;
    color: var(--accent);
}

.stat-card .label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== Chart Grid ===== */
.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.chart-container {
    width: 100%;
    height: 350px;
}

/* ===== Tables ===== */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

th {
    color: var(--text-muted);
    font-weight: normal;
}

/* ===== Forms ===== */
input, select {
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
}

button {
    background: var(--accent);
    color: var(--bg-body);
    border: none;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background: var(--accent-hover);
}

/* ===== Search Bar ===== */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

/* ===== Tabs ===== */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab {
    padding: 8px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
}

.tab.active {
    background: var(--accent);
    color: var(--bg-body);
}

/* ===== Score Badges ===== */
.score-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 12px;
}

.score-high { background: #1b5e20; color: #4caf50; }
.score-mid { background: #e65100; color: #ff9800; }
.score-low { background: #b71c1c; color: #f44336; }

/* ===== Signal Colors ===== */
.buy { color: var(--color-buy); }
.sell { color: var(--color-sell); }
.hold { color: var(--color-hold); }

/* ===== Full-width chart ===== */
.full-width { grid-column: 1 / -1; }

/* ===== Language Switch ===== */
.lang-switch {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 13px;
    cursor: pointer;
    margin-left: 16px;
}

.lang-switch option {
    background: var(--bg-input);
    color: var(--text-light);
}

/* ===== Theme Switch ===== */
.theme-switch {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 13px;
    cursor: pointer;
}

.theme-switch option {
    background: var(--bg-input);
    color: var(--text-light);
}

/* ===== Index Page: Link Cards ===== */
.index-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    padding: 80px 0;
    flex-wrap: wrap;
}

.index-grid .stat-card {
    text-decoration: none;
    min-width: 200px;
}

/* ===== Analysis: Stock Title ===== */
.stock-title {
    margin-left: 16px;
    font-size: 18px;
    color: var(--text-primary);
}

/* ===== Analysis: Analyzed List ===== */
.analyzed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.analyzed-header-inner {
    display: flex;
    align-items: center;
    gap: 8px;
}

.analyzed-toggle {
    color: var(--text-muted);
    font-size: 12px;
}

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

.analyzed-wrap {
    margin-top: 10px;
}

.analyzed-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
}

.stock-chip {
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    background: var(--bg-chip);
}

.stock-chip:hover {
    border-color: var(--accent);
}

.stock-chip-score {
    color: var(--text-muted);
    font-size: 11px;
}

.stock-chip-green { color: var(--color-buy); }
.stock-chip-orange { color: var(--color-hold); }
.stock-chip-red { color: var(--color-sell); }

/* ===== Key Info (Support/Risk) ===== */
.key-info-text {
    line-height: 1.8;
    white-space: pre-wrap;
}

.key-info-text.support { color: var(--color-buy); }
.key-info-text.risk { color: var(--color-sell); }
.key-info-text.divergence { color: var(--color-hold); }

/* ===== Report ===== */
.report-toggle { cursor: pointer; }

.report-content {
    max-height: 600px;
    overflow-y: auto;
    line-height: 1.8;
    color: var(--text-light);
    margin-top: 12px;
}

/* ===== K-Line Chart ===== */
.kline-chart {
    width: 100%;
    height: 450px;
}

/* ===== Portfolio: Plan Section Headers ===== */
.section-sell { color: var(--color-sell); }
.section-buy { color: var(--color-buy); }
.section-hold { color: var(--color-hold); }

/* ===== Portfolio: Review ===== */
.review-content {
    color: var(--text-light);
    line-height: 1.8;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

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

/* ===== Portfolio: Trade Logs Notes ===== */
.log-notes {
    color: var(--text-muted);
    font-size: 12px;
}

/* ===== Guide: Watchlist ===== */
.watchlist-form {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.watchlist-form input[type="text"] {
    flex: 1;
    min-width: 120px;
    padding: 8px 12px;
    background: var(--bg-chip);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
}

.watchlist-form input[type="number"] {
    width: 120px;
    padding: 8px 12px;
    background: var(--bg-chip);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
}

.watchlist-form button {
    padding: 8px 16px;
    background: #1a6b3c;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.watchlist-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.watchlist-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--bg-chip);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.watchlist-chip a {
    color: var(--color-link);
    text-decoration: none;
}

.watchlist-chip-name { color: var(--text-light); }
.watchlist-chip-shares { color: var(--color-info); font-size: 11px; }

.watchlist-remove {
    background: none;
    border: none;
    color: var(--color-sell);
    cursor: pointer;
    font-size: 14px;
    padding: 0;
}

/* ===== Guide: Operation Card ===== */
.op-card {
    margin-bottom: 12px;
    border-left: 3px solid var(--text-secondary);
}

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

.op-tag {
    font-size: 11px;
}

.op-tag-holding { color: var(--color-info); }
.op-tag-watch { color: var(--text-muted); }

.op-stock-link {
    color: var(--color-link);
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
}

.op-stock-name {
    color: var(--text-primary);
    margin-left: 6px;
}

.op-badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 14px;
}

.op-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 10px;
    text-align: center;
}

.op-grid-label {
    color: var(--text-muted);
    font-size: 11px;
}

.op-grid-value {
    color: var(--text-primary);
    font-weight: bold;
}

.op-grid-buy { color: var(--color-buy); }
.op-grid-accent { color: var(--accent); }
.op-grid-sell { color: var(--color-sell); }
.op-grid-hold { color: var(--color-hold); }
.op-grid-info { color: var(--color-info); }

.op-reason { margin-bottom: 6px; }

.op-reason-label {
    color: var(--text-muted);
    font-size: 12px;
}

.op-reason-text { color: var(--text-light); }

.op-risk-label {
    color: var(--color-sell);
    font-size: 12px;
}

.op-risk-text { color: #ef9a9a; }

/* ===== Guide: Portfolio Suggestion ===== */
.ps-row {
    display: flex;
    gap: 24px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.ps-label {
    color: var(--text-muted);
    font-size: 12px;
}

.ps-value {
    color: var(--text-primary);
    font-weight: bold;
}

.ps-rationale {
    margin-top: 10px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== Guide: Market View ===== */
.market-view-text {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== Action Inline Styles ===== */
.action-buy { color: var(--color-buy); }
.action-sell { color: var(--color-sell); }
.action-reduce { color: var(--color-hold); }
.action-default { color: var(--text-secondary); }

/* ===== Stock Link ===== */
.stock-link {
    color: var(--color-link);
    text-decoration: none;
}

/* ===== Markdown Rendered Report ===== */
#reportContent h1 {
    font-size: 20px;
    color: var(--accent);
    margin: 16px 0 8px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
}

#reportContent h2 { font-size: 17px; color: #81d4fa; margin: 14px 0 6px; }
#reportContent h3 { font-size: 15px; color: var(--text-light); margin: 12px 0 4px; }
#reportContent h4 { font-size: 14px; color: var(--text-secondary); margin: 10px 0 4px; }
#reportContent p { margin: 6px 0; }
#reportContent ul, #reportContent ol { margin: 6px 0; padding-left: 24px; }
#reportContent li { margin: 3px 0; }
#reportContent strong { color: var(--text-primary); }
#reportContent em { color: var(--text-light); }
#reportContent blockquote { border-left: 3px solid var(--accent); padding-left: 12px; margin: 8px 0; color: var(--text-muted); }
#reportContent hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
#reportContent code { background: var(--bg-input); padding: 1px 5px; border-radius: 3px; font-size: 12px; color: var(--color-hold); }
#reportContent pre { background: var(--bg-chip); padding: 12px; border-radius: 4px; overflow-x: auto; margin: 8px 0; }
#reportContent pre code { background: none; padding: 0; color: var(--text-light); }
#reportContent table { margin: 8px 0; }
#reportContent th { background: var(--bg-input); color: var(--text-secondary); }
#reportContent td { color: var(--text-light); }
#reportContent a { color: var(--accent); text-decoration: none; }
#reportContent a:hover { text-decoration: underline; }

/* ===== Responsive: Tablet (600-899px) ===== */
@media (max-width: 899px) {
    .hamburger { display: block; }

    .main-nav {
        position: fixed;
        top: 0;
        right: -260px;
        width: 260px;
        height: 100vh;
        background: var(--bg-card);
        border-left: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 60px 20px 20px;
        z-index: 1000;
        transition: right 0.3s ease;
        gap: 0;
    }

    .main-nav.open { right: 0; }

    .main-nav a {
        margin: 0;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        font-size: 16px;
    }

    .nav-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }

    .nav-overlay.open { display: block; }

    .nav-controls {
        margin-top: 16px;
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .chart-grid { grid-template-columns: 1fr; }
    .op-grid { grid-template-columns: repeat(3, 1fr); }

    .index-grid { padding: 40px 0; gap: 16px; }
    .index-grid .stat-card { min-width: 160px; flex: 1 1 40%; }
}

/* ===== Responsive: Phone (<600px) ===== */
@media (max-width: 599px) {
    .container { padding: 12px; }

    header { padding: 12px 0; margin-bottom: 16px; }
    header h1 { font-size: 18px; }

    .stat-grid { grid-template-columns: 1fr; gap: 10px; }
    .stat-card .value { font-size: 22px; }

    .card { padding: 14px; margin-bottom: 12px; }

    .search-bar { gap: 8px; }
    .search-bar input { width: 100% !important; }

    .tabs { gap: 6px; }
    .tab { padding: 6px 12px; font-size: 13px; }

    .chart-container { height: 280px; }
    .kline-chart { height: 320px; }

    .index-grid { padding: 20px 0; gap: 12px; }
    .index-grid .stat-card { min-width: unset; flex: 1 1 100%; }

    .op-grid { grid-template-columns: repeat(2, 1fr); }

    th, td { padding: 6px 8px; font-size: 12px; }

    .ps-row { gap: 16px; }
}