/* Header Section — .report-header/.report-title/.report-meta/.meta-item/
   .meta-value dùng chung từ style.css (Phase 2d dedup). Chỉ giữ override
   responsive ở media query bên dưới. */

/* Stats Cards */
.stats-section {
    padding: 32px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    user-select: none;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:last-child {
    border-right: 1px solid var(--border);
}

/* Dải màu trên cùng — chỉ hiện khi thẻ được chọn, tô theo loại khuyến nghị */
.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background 0.2s;
}

.stat-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
}

.stat-card:focus-visible {
    outline: none;
    border-color: var(--primary);
}

.stat-card.active {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.stat-card.active[data-recommendation=""]::after     { background: var(--primary); }
.stat-card.active[data-recommendation="buy"]::after  { background: var(--secondary); }
.stat-card.active[data-recommendation="hold"]::after  { background: var(--warn); }
.stat-card.active[data-recommendation="sell"]::after  { background: var(--danger); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Filter Section */
.filter-section {
    padding: 24px 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.filter-section-top {
    padding: 20px 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 72px;
    z-index: 99;
}

.filter-controls {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}


.filter-input {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 200px;
}

.filter-input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--bg-primary);
}

/* Grid Layout */
.cw-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.cw-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.cw-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: background 0.3s;
}

.cw-card.recommend-buy::before      { background: var(--secondary); }
.cw-card.recommend-hold::before     { background: var(--warn); }
.cw-card.recommend-sell::before     { background: var(--danger); }
.cw-card.recommend-expired::before  { background: var(--text-muted); }

.cw-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
}

.cw-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.cw-card-title {
    display: flex;
    flex-direction: column;
}

.cw-card-symbol {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.cw-card-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cw-card-table {
    width: 100%;
    border-collapse: collapse;
}

.cw-card-table td {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.cw-card-table tr:last-child td {
    border-bottom: none;
}

.cw-card-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.cw-card-value {
    text-align: right;
    font-weight: 600;
    color: var(--text-primary);
}

.value-up { color: var(--secondary); }
.value-down { color: var(--danger); }

/* Greeks (độ nhạy) — nhóm chỉ số Black-Scholes trong thẻ CW */
.cw-greeks-divider td {
    padding-top: 12px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}
.greek-tip {
    cursor: help;
    border-bottom: 1px dotted var(--border);
}
.greek-ic {
    margin-left: 4px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Primary / secondary filter layout */
.filter-primary {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-primary .filter-search {
    flex: 1;
    min-width: 160px;
}

.filter-toggle-btn {
    display: none;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    flex-shrink: 0;
}

.filter-toggle-btn:hover,
.filter-toggle-btn.active {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-secondary {
    margin-top: 10px;
}

/* Responsive adjustments for cards */
@media (max-width: 768px) {
    .report-header {
        padding: 20px 0;
    }

    .report-title {
        font-size: 1.5rem;
    }

    .report-meta {
        gap: 12px;
        font-size: 0.8125rem;
    }

    .filter-section-top {
        padding: 10px 0;
    }

    /* Row 1: date + recommendation + Lọc button; Row 2: search full-width */
    .filter-primary {
        flex-wrap: wrap;
        gap: 8px;
    }

    .filter-primary #date-filter {
        order: 1;
        flex: 1 1 auto;
        min-width: 0;
        font-size: 0.85rem;
    }

    .filter-primary #recommendation-filter {
        order: 2;
        flex: 1 1 auto;
        min-width: 0;
        font-size: 0.85rem;
    }

    .filter-toggle-btn {
        order: 3;
        display: flex;
        flex-shrink: 0;
    }

    .filter-primary .filter-search {
        order: 10;
        flex-basis: 100%;
        min-width: 0;
    }

    /* Secondary: hidden by default, shown when .open */
    .filter-secondary {
        display: none;
        margin-top: 8px;
    }

    .filter-secondary.open {
        display: block;
    }

    .filter-secondary .filter-controls {
        flex-direction: column;
        gap: 8px;
    }

    .filter-secondary .filter-controls > * {
        width: 100%;
    }

    .filter-secondary .filter-type-group {
        width: 100%;
    }

    .filter-secondary .filter-input {
        min-width: unset;
        width: 100%;
    }

    .filter-secondary .sort-group {
        margin-left: 0 !important;
        width: 100%;
    }

    .filter-secondary .sort-group select {
        min-width: unset !important;
        flex: 1;
    }

    .cw-grid {
        grid-template-columns: 1fr;
    }

    .cw-card {
        padding: 16px;
    }

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

/* Sort group (trước ở inline style) */
.sort-group { display: flex; gap: 8px; align-items: center; margin-left: auto; }
.sort-label { color: var(--text-secondary); font-size: 0.875rem; white-space: nowrap; }
.sort-select { min-width: 150px; }

/* Legend (trước swatch màu để inline; nay dùng soft-color, tự đổi dark mode) */
.legend { display: flex; flex-wrap: wrap; gap: 16px; padding: 16px 0; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--text-secondary); }
.legend-color { width: 14px; height: 14px; border-radius: var(--radius-sm); flex-shrink: 0; }
.legend-buy  { background: var(--secondary-soft); }
.legend-hold { background: var(--warn-soft); }
.legend-sell { background: var(--danger-soft); }

/* Retry button trong empty state */
.empty-state-action { margin-top: 16px; }

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}
.footer-note { margin-top: 8px; font-size: 0.75rem; }

/* Loading */
.loading-full { grid-column: 1 / -1; }
.loading {
    display: flex;
    justify-content: center;
    padding: 60px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Market Section */
.market-section {
    padding: 24px 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    justify-items: center;
}

.market-grid .market-card {
    max-width: 320px;
    width: 100%;
}

.market-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.3s;
}

.market-card:hover {
    border-color: var(--primary);
}

.market-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.market-name {
    font-weight: 700;
    color: var(--text-primary);
}

.market-price {
    font-size: 1.25rem;
    font-weight: 700;
}

.market-change {
    font-size: 0.875rem;
    font-weight: 600;
}

.market-vol {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Offline indicator */
.offline-indicator {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--danger);
    color: var(--bg-primary);
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-size: 0.875rem;
}

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