/* ── Filter Bar ── */
.ab-filter-bar {
    background: var(--ab-card);
    border: 1px solid var(--ab-border);
    border-radius: var(--ab-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    position: sticky;
    top: var(--ab-header-h);
    z-index: 50;
    background: var(--ab-card);
    backdrop-filter: blur(12px);
    opacity: 0.95;
}
.ab-filter-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
}
.ab-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.ab-filter-group label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ab-muted);
}
.ab-filter-group select {
    background: var(--ab-surface);
    color: var(--ab-text);
    border: 1px solid var(--ab-border);
    border-radius: 6px;
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
    font-family: var(--ab-font);
    cursor: pointer;
    min-width: 140px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    padding-right: 2rem;
}
.ab-filter-group select:focus {
    outline: none;
    border-color: var(--ab-accent);
    box-shadow: 0 0 0 2px var(--ab-accent-dim);
}
.ab-filter-actions {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}
.ab-btn {
    padding: 0.45rem 1.1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--ab-font);
    cursor: pointer;
    border: 1px solid var(--ab-border);
    transition: all 0.2s ease;
    white-space: nowrap;
}
.ab-btn--primary {
    background: var(--ab-accent);
    color: #fff;
    border-color: var(--ab-accent);
}
.ab-btn--primary:hover {
    background: #db2777;
    border-color: #db2777;
}
.ab-btn--secondary {
    background: var(--ab-surface);
    color: var(--ab-text-secondary);
}
.ab-btn--secondary:hover {
    background: var(--ab-card-hover);
    color: var(--ab-text);
    border-color: var(--ab-border-light);
}
.ab-btn--reset {
    background: transparent;
    color: var(--ab-muted);
    border-color: var(--ab-border);
}
.ab-btn--reset:hover {
    background: var(--ab-surface);
    color: var(--ab-text);
}
.ab-filter-info {
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(236, 72, 153, 0.08);
    border: 1px solid rgba(236, 72, 153, 0.2);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--ab-text-secondary);
}
.ab-filter-count {
    font-weight: 700;
    color: var(--ab-accent);
}

/* ── Chart badge (numbered circle) ── */
.ab-chart-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--ab-accent-dim);
    color: var(--ab-accent);
    font-size: 0.68rem;
    font-weight: 800;
    flex-shrink: 0;
}

/* ── Chart header flex layout ── */
.ab-chart-header {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 1rem;
}
.ab-chart-header-text {
    flex: 1;
}
.ab-chart-header-text h2,
.ab-chart-header h2 {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.2rem;
}
.ab-chart-header-text p,
.ab-chart-header p {
    font-size: 0.8rem;
    color: var(--ab-muted);
}

/* ── Chart Section (Card wrapper) ── */
.ab-chart-section {
    background: var(--ab-card);
    border: 1px solid var(--ab-border);
    border-radius: var(--ab-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease;
}
.ab-chart-section:hover {
    border-color: var(--ab-accent-dim);
}
.ab-chart-header-bar {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 1rem;
}
.ab-chart-title-area h2 {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.2rem;
}
.ab-chart-title-area p {
    font-size: 0.8rem;
    color: var(--ab-muted);
}

/* ── Chart Body (uniform wrapper for all canvas) ── */
.ab-chart-body {
    position: relative;
    width: 100%;
    height: 360px;
}
.ab-chart-body canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ── 2-Column Grid (Pie + Legend) ── */
.ab-grid-2col {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: start;
}
.ab-legend-box {
    background: var(--ab-card);
    border: 1px solid var(--ab-border);
    border-radius: var(--ab-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.ab-legend-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ab-muted);
    margin-bottom: 0.25rem;
    text-align: center;
}
.ab-legend-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.6rem;
    background: var(--ab-surface);
    border-radius: 6px;
    transition: background 0.15s ease;
}
.ab-legend-item:hover {
    background: var(--ab-card-hover);
}
.ab-legend-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}
.ab-legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.ab-legend-body {
    flex: 1;
    min-width: 0;
}
.ab-legend-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ab-text);
    line-height: 1.2;
}
.ab-legend-meta {
    font-size: 0.7rem;
    color: var(--ab-muted);
    line-height: 1.3;
}

/* ── Loading Overlay ── */
.ab-loading {
    display: none;
    position: absolute;
    inset: 0;
    background: var(--ab-bg);
    opacity: 0.8;
    border-radius: var(--ab-radius-sm);
    z-index: 10;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 0.75rem;
}
.ab-loading.is-active {
    display: flex;
}
.ab-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--ab-border);
    border-top-color: var(--ab-accent);
    border-radius: 50%;
    animation: ab-spin 0.7s linear infinite;
}
@keyframes ab-spin {
    to { transform: rotate(360deg); }
}
.ab-loading-text {
    font-size: 0.8rem;
    color: var(--ab-muted);
}

/* ── Empty State ── */
.ab-empty {
    display: none;
    text-align: center;
    padding: 2rem;
    color: var(--ab-muted);
}
.ab-empty.is-visible {
    display: block;
}
.ab-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

/* ── Footer ── */
.ab-footer {
    border-top: 1px solid var(--ab-border);
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--ab-muted);
    font-size: 0.75rem;
    max-width: var(--ab-max-width);
    margin: 0 auto;
}

/* ── Chart Canvas ── */
canvas {
    max-width: 100%;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .ab-grid-2col {
        grid-template-columns: 1fr;
    }
    .ab-kpi-row {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .ab-header-inner {
        padding: 0.6rem 1rem;
    }
    .ab-header-title {
        font-size: 0.9rem;
    }
    .ab-main {
        padding: 1rem 1rem 2rem;
    }
    .ab-filter-row {
        flex-direction: column;
    }
    .ab-filter-group select {
        width: 100%;
    }
    .ab-filter-actions {
        width: 100%;
    }
    .ab-btn {
        flex: 1;
        text-align: center;
    }
    .ab-chart-body {
        height: 280px;
    }
}
@media (max-width: 480px) {
    .ab-kpi-value {
        font-size: 1.5rem;
    }
    .ab-chart-section {
        padding: 1rem;
    }
    .ab-legend-name {
        font-size: 0.75rem;
    }
}