/* ============================================================
   21. VENDOR CARD GRID
   Responsive card layout for the Vendors page.
   ============================================================ */

.vendor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-5);
}

.vendor-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-5);
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
}

.vendor-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.08);
}

.vendor-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.vendor-card-name {
    font-size: var(--text-md);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    line-height: 1.3;
}

.vendor-card-contact {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
}

.vendor-card-actions {
    display: flex;
    gap: var(--space-1);
    flex-shrink: 0;
}

.vendor-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-divider);
}

.vendor-stat {
    text-align: center;
}

.vendor-stat-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 500;
}

.vendor-stat-value {
    display: block;
    font-size: var(--text-md);
    font-weight: 700;
    color: var(--color-text);
}

/* Vendor stat value color variants */
.vendor-stat-value.text-success { color: var(--color-success); }
.vendor-stat-value.text-danger  { color: var(--color-danger); }
.vendor-stat-value.text-warning { color: var(--color-warning); }


/* ============================================================
   22. FILTER BAR
   Inline filter controls used across Products, Sales Recap,
   and Reports pages.
   ============================================================ */

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: flex-end;
    margin-bottom: var(--space-5);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 160px;
}

.filter-group label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.filter-group .form-input,
.filter-group .form-select {
    height: 38px;
    font-size: var(--text-sm);
}

.filter-group-grow {
    flex: 1;
    min-width: 200px;
}


/* ============================================================
   23. TAB NAVIGATION
   Horizontal tab bar used in Reports and POS pages.
   ============================================================ */

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-5);
    gap: var(--space-1);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-text);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}


/* ============================================================
   24. METRIC CARDS (SMALL)
   Compact metric display used in Dashboard, Sales Recap,
   and Reports for summary numbers.
   ============================================================ */

.metric-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4) var(--space-5);
}

.metric-card-label,
.metric-label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-1);
}

.metric-card-value,
.metric-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.metric-card-value.text-success,
.metric-value.text-success { color: var(--color-success); }
.metric-card-value.text-danger,
.metric-value.text-danger  { color: var(--color-danger); }

.metric-card-sub {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
}


/* ============================================================
   25. REVENUE BAR CHART
   Dashboard gross revenue chart with period filters.
   ============================================================ */

.chart-filter-row {
    display: flex;
    gap: 4px;
}

.chart-filter-btn {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    transition: all var(--transition);
}

.chart-filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.chart-filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.chart-container {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 220px;
    padding-top: var(--space-6);
    padding-bottom: var(--space-1);
}

.chart-bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.chart-bar-wrapper {
    height: 180px;
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.chart-bar {
    width: 70%;
    max-width: 48px;
    background: var(--color-primary);
    border-radius: 6px 6px 0 0;
    position: relative;
    transition: height 0.4s ease;
    min-height: 4px;
}

.chart-bar:hover {
    background: var(--color-primary-hover);
}

.chart-bar.chart-bar-empty {
    background: var(--color-border);
}

.chart-bar-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    white-space: nowrap;
    color: var(--color-text-secondary);
    font-weight: 600;
}

.chart-bar-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.chart-bar-sub {
    font-size: 10px;
    color: var(--color-text-muted);
    text-align: center;
}

.chart-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}