/* ══════════════════════════════════════════════
   📊 STOCK COMPARISON TOOL — Feature 13.1
   Compare 2-5 stocks side by side
   ══════════════════════════════════════════════ */

/* ── Page Header ── */
.compare-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0 12px;
    flex-wrap: wrap;
    gap: 10px;
}
.compare-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary, #fff);
    margin: 0;
}
.compare-title svg {
    width: 24px;
    height: 24px;
    color: #6366f1;
}
.compare-subtitle {
    font-size: 13px;
    color: var(--text-muted, #94a3b8);
    margin-top: 4px;
}

/* ── Stock Selector Bar ── */
.compare-selector {
    background: var(--bg-elevated, #1e293b);
    border: 1px solid var(--border-color, rgba(255,255,255,0.06));
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 16px;
}
.compare-selector-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.compare-selector-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* Stock Chip (selected stock) */
.compare-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--bg-card, #0f172a);
    border: 1px solid var(--border-color, rgba(255,255,255,0.08));
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    position: relative;
    cursor: default;
    transition: border-color 0.2s;
}
.compare-chip .chip-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.compare-chip .chip-remove {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239,68,68,0.15);
    border: none;
    border-radius: 50%;
    color: #ef4444;
    font-size: 14px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    margin-left: 2px;
    transition: background 0.15s;
}
.compare-chip .chip-remove:hover {
    background: rgba(239,68,68,0.3);
}

/* Add Stock Input */
.compare-add-wrapper {
    position: relative;
    flex: 1;
    min-width: 180px;
    max-width: 280px;
}
.compare-add-input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-card, #0f172a);
    border: 1px dashed var(--border-color, rgba(255,255,255,0.12));
    border-radius: 10px;
    color: var(--text-primary, #fff);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}
.compare-add-input::placeholder {
    color: var(--text-muted, #64748b);
}
.compare-add-input:focus {
    border-color: #6366f1;
    border-style: solid;
}

/* Autocomplete Dropdown */
.compare-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated, #1e293b);
    border: 1px solid var(--border-color, rgba(255,255,255,0.1));
    border-radius: 10px;
    margin-top: 4px;
    max-height: 220px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    display: none;
}
.compare-autocomplete.open { display: block; }
.compare-ac-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.12s;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.compare-ac-item:last-child { border-bottom: none; }
.compare-ac-item:hover, .compare-ac-item.active {
    background: rgba(99,102,241,0.1);
}
.compare-ac-code {
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary, #fff);
    min-width: 50px;
}
.compare-ac-name {
    font-size: 12px;
    color: var(--text-muted, #94a3b8);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.compare-ac-empty {
    padding: 12px 14px;
    font-size: 12px;
    color: var(--text-muted, #64748b);
    text-align: center;
}

/* Compare Button */
.compare-run-btn {
    padding: 8px 20px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s, transform 0.1s;
}
.compare-run-btn:hover { opacity: 0.9; }
.compare-run-btn:active { transform: scale(0.97); }
.compare-run-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Quick Presets */
.compare-presets {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.compare-preset-btn {
    padding: 5px 12px;
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.15);
    border-radius: 8px;
    color: #a5b4fc;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.compare-preset-btn:hover {
    background: rgba(99,102,241,0.18);
    border-color: #6366f1;
    color: #fff;
}

/* ── Results Container ── */
.compare-results {
    display: none;
}
.compare-results.active { display: block; }

/* ── Empty State ── */
.compare-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted, #64748b);
}
.compare-empty svg {
    width: 64px;
    height: 64px;
    color: #334155;
    margin-bottom: 16px;
}
.compare-empty h3 {
    font-size: 16px;
    color: var(--text-secondary, #94a3b8);
    margin: 0 0 6px;
}
.compare-empty p {
    font-size: 13px;
    margin: 0;
}

/* ── Performance Chart Section ── */
.compare-section {
    background: var(--bg-elevated, #1e293b);
    border: 1px solid var(--border-color, rgba(255,255,255,0.06));
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 16px;
}
.compare-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.compare-section-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary, #fff);
    display: flex;
    align-items: center;
    gap: 8px;
}
.compare-section-title svg {
    width: 18px;
    height: 18px;
    color: #6366f1;
}

/* Period Tabs */
.compare-period-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-card, #0f172a);
    border-radius: 8px;
    padding: 3px;
}
.compare-period-btn {
    padding: 5px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted, #64748b);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.compare-period-btn.active {
    background: #6366f1;
    color: #fff;
}
.compare-period-btn:hover:not(.active) {
    color: var(--text-primary, #fff);
}

/* Chart Container */
.compare-chart-wrap {
    height: 320px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-card, #0f172a);
}
@media (max-width: 640px) {
    .compare-chart-wrap { height: 240px; }
}

/* Chart Legend */
.compare-chart-legend {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 12px;
    padding: 0 4px;
}
.compare-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary, #94a3b8);
    font-weight: 500;
}
.compare-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Metrics Table ── */
.compare-metrics-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.compare-metrics-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 500px;
}
.compare-metrics-table thead th {
    padding: 10px 14px;
    text-align: center;
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary, #fff);
    background: var(--bg-card, #0f172a);
    border-bottom: 2px solid rgba(99,102,241,0.2);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 2;
}
.compare-metrics-table thead th:first-child {
    text-align: left;
    color: var(--text-muted, #94a3b8);
    font-weight: 600;
    font-size: 12px;
}
.compare-metrics-table tbody td {
    padding: 10px 14px;
    text-align: center;
    color: var(--text-secondary, #cbd5e1);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    white-space: nowrap;
}
.compare-metrics-table tbody td:first-child {
    text-align: left;
    color: var(--text-muted, #94a3b8);
    font-weight: 500;
    font-size: 12px;
}
.compare-metrics-table tbody tr:last-child td {
    border-bottom: none;
}
/* Best value highlight */
.compare-metrics-table .metric-best {
    color: #22c55e;
    font-weight: 700;
}
.compare-metrics-table .metric-worst {
    color: #ef4444;
    font-weight: 600;
    opacity: 0.7;
}

/* Header stock chip with color */
.th-stock-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.th-stock-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

/* ── Scoring Section ── */
.compare-score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}
.compare-score-card {
    background: var(--bg-card, #0f172a);
    border: 1px solid var(--border-color, rgba(255,255,255,0.06));
    border-radius: 12px;
    padding: 14px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.compare-score-card.winner {
    border-color: rgba(34,197,94,0.3);
    background: linear-gradient(135deg, rgba(34,197,94,0.05), transparent);
}
.compare-score-code {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary, #fff);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
}
.compare-score-code .score-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.compare-score-val {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}
.compare-score-card.winner .compare-score-val {
    background: linear-gradient(135deg, #22c55e, #4ade80);
    -webkit-background-clip: text;
    background-clip: text;
}
.compare-score-label {
    font-size: 11px;
    color: var(--text-muted, #64748b);
    font-weight: 500;
    margin-top: 4px;
}
.compare-winner-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    font-size: 16px;
}

/* Score Bar */
.compare-score-bar {
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    margin-top: 10px;
    overflow: hidden;
}
.compare-score-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s ease;
}

/* ── Share Button ── */
.compare-share-row {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
    padding-bottom: 6px;
}
.compare-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--bg-elevated, #1e293b);
    border: 1px solid var(--border-color, rgba(255,255,255,0.08));
    border-radius: 10px;
    color: var(--text-secondary, #94a3b8);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.compare-share-btn:hover {
    background: rgba(99,102,241,0.1);
    border-color: #6366f1;
    color: #fff;
}
.compare-share-btn svg {
    width: 16px;
    height: 16px;
}

/* ── Loading / Error States ── */
.compare-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 12px;
    color: var(--text-muted, #64748b);
    font-size: 13px;
}
.compare-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(99,102,241,0.2);
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: compareSpin 0.8s linear infinite;
}
@keyframes compareSpin {
    to { transform: rotate(360deg); }
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .compare-selector { padding: 12px; }
    .compare-selector-row { gap: 6px; }
    .compare-chip { padding: 6px 10px; font-size: 12px; }
    .compare-add-wrapper { min-width: 140px; }
    .compare-section { padding: 12px; }
    .compare-score-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    .compare-share-row { flex-direction: column; align-items: stretch; }
}