/* ============================================
   OLIGNE B2B Marketplace — Design System
   Shared Design Tokens, Components & Utilities
   Theme: Maroon (#7A2D2D) + Gold (#C9A96E)
   ============================================ */

/* ============================================
   DESIGN TOKENS (CSS Custom Properties)
   ============================================ */
:root {
    /* Brand Colors */
    --color-primary: #7A2D2D;
    --color-primary-dark: #5C1E1E;
    --color-primary-light: #9B4B4B;
    --color-primary-50: #FDF2F2;
    --color-primary-100: #F9E2E2;
    --color-primary-200: #F0C5C5;
    --color-primary-rgb: 122, 45, 45;

    --color-accent: #C9A96E;
    --color-accent-dark: #A88A50;
    --color-accent-light: #E8D5A8;
    --color-accent-50: #FBF7EF;
    --color-accent-rgb: 201, 169, 110;

    /* Surfaces */
    --color-bg: #FAF8F5;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F7F5F2;
    --color-surface-secondary: #F5F0E8;
    --color-surface-warm: #FAF8F5;

    /* Text */
    --color-text: #1A1A1A;
    --color-text-secondary: #4A4A4A;
    --color-text-muted: #8A8A8A;
    --color-text-inverse: #FFFFFF;

    /* Borders */
    --color-border: #E5E5E5;
    --color-border-light: #F0F0F0;
    --color-border-focus: var(--color-primary);

    /* Status Colors */
    --color-success: #059669;
    --color-success-light: #D1FAE5;
    --color-success-dark: #047857;
    --color-warning: #D97706;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #B45309;
    --color-danger: #DC2626;
    --color-danger-light: #FEE2E2;
    --color-danger-dark: #B91C1C;
    --color-info: #2563EB;
    --color-info-light: #DBEAFE;
    --color-info-dark: #1D4ED8;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.875rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.03);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 8px 25px rgba(122,45,45,0.12);
    --shadow-dropdown: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-modal: 0 25px 50px rgba(0,0,0,0.2);

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
    --z-command-palette: 600;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --topbar-height: 64px;
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"] {
    --color-bg: #0F1117;
    --color-surface: #1A1D2E;
    --color-surface-hover: #242838;
    --color-surface-secondary: #1E2235;
    --color-surface-warm: #0F1117;

    --color-text: #E5E7EB;
    --color-text-secondary: #9CA3AF;
    --color-text-muted: #6B7280;
    --color-text-inverse: #1A1A1A;

    --color-border: #2D3348;
    --color-border-light: #242838;

    --color-primary-50: #2A1A1A;
    --color-primary-100: #3D2222;

    --color-success-light: #064E3B;
    --color-warning-light: #78350F;
    --color-danger-light: #7F1D1D;
    --color-info-light: #1E3A5F;

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.4);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-card-hover: 0 8px 25px rgba(0,0,0,0.3);
    --shadow-dropdown: 0 10px 40px rgba(0,0,0,0.4);
    --shadow-modal: 0 25px 50px rgba(0,0,0,0.5);
}

/* ============================================
   COMPONENT: STATUS BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    line-height: 1.4;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.badge-info    { background: var(--color-info-light); color: var(--color-info); }
.badge-primary { background: var(--color-primary-50); color: var(--color-primary); }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger  { background: var(--color-danger-light); color: var(--color-danger); }
.badge-muted   { background: var(--color-border-light); color: var(--color-text-muted); }

.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

/* ============================================
   COMPONENT: STAT CARDS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    transition: var(--transition-normal);
    transition-property: box-shadow, transform, border-color;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border);
    transform: translateY(-1px);
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon svg {
    width: 20px;
    height: 20px;
}

.stat-card-icon.primary   { background: var(--color-primary-50); color: var(--color-primary); }
.stat-card-icon.success   { background: var(--color-success-light); color: var(--color-success); }
.stat-card-icon.warning   { background: var(--color-warning-light); color: var(--color-warning); }
.stat-card-icon.danger    { background: var(--color-danger-light); color: var(--color-danger); }
.stat-card-icon.info      { background: var(--color-info-light); color: var(--color-info); }
.stat-card-icon.accent    { background: var(--color-accent-50); color: var(--color-accent-dark); }

.stat-card-body { flex: 1; min-width: 0; }
.stat-card-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: 2px;
}
.stat-card-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}
.stat-card-trend {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: var(--text-xs);
    font-weight: 600;
    margin-top: 4px;
}
.stat-card-trend.up   { color: var(--color-success); }
.stat-card-trend.down { color: var(--color-danger); }

/* ============================================
   COMPONENT: DATA TABLES
   ============================================ */
.data-table-wrapper {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-3);
    flex-wrap: wrap;
}

.data-table-title {
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: 600;
    color: var(--color-text);
}

.data-table-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-base);
}

.data-table thead th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border-light);
    white-space: nowrap;
    user-select: none;
    background: var(--color-surface);
    position: sticky;
    top: 0;
}

.data-table thead th.sortable {
    cursor: pointer;
    transition: color var(--transition-fast);
}

.data-table thead th.sortable:hover {
    color: var(--color-primary);
}

.data-table tbody tr {
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:last-child {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--color-surface-hover);
}

.data-table tbody td {
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    vertical-align: middle;
}

.data-table .row-checkbox {
    width: 40px;
    text-align: center;
}

.data-table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--color-border-light);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Bulk Action Toolbar */
.bulk-toolbar {
    display: none;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary-50);
    border-bottom: 1px solid var(--color-primary-100);
    font-size: var(--text-sm);
    animation: slideDown 200ms ease;
}

.bulk-toolbar.active { display: flex; }

.bulk-toolbar .selected-count {
    font-weight: 600;
    color: var(--color-primary);
}

/* ============================================
   COMPONENT: FORM SYSTEM
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: var(--text-base);
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-input.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-error {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
}

.form-hint {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* File Dropzone */
.file-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-4);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--color-surface);
}

.file-dropzone:hover,
.file-dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
}

.file-dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    color: var(--color-text-muted);
}

/* ============================================
   COMPONENT: BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 9px 18px;
    font-size: var(--text-base);
    font-weight: 500;
    font-family: var(--font-body);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
    background: var(--color-primary);
    color: #FFF;
    border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-sm);
}

.btn-accent {
    background: var(--color-accent);
    color: #FFF;
}
.btn-accent:hover:not(:disabled) { background: var(--color-accent-dark); }

.btn-success { background: var(--color-success); color: #FFF; }
.btn-success:hover:not(:disabled) { background: var(--color-success-dark); }

.btn-danger { background: var(--color-danger); color: #FFF; }
.btn-danger:hover:not(:disabled) { background: var(--color-danger-dark); }

.btn-warning { background: var(--color-warning); color: #FFF; }
.btn-warning:hover:not(:disabled) { background: var(--color-warning-dark); }

.btn-outline {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}
.btn-outline:hover:not(:disabled) {
    background: var(--color-surface-hover);
    border-color: var(--color-text-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    padding: 8px 12px;
}
.btn-ghost:hover:not(:disabled) { background: var(--color-surface-hover); }

.btn-sm { padding: 5px 12px; font-size: var(--text-sm); }
.btn-lg { padding: 12px 24px; font-size: var(--text-md); }
.btn-icon { padding: 8px; width: 36px; height: 36px; }
.btn-icon.sm { width: 30px; height: 30px; padding: 6px; }

/* ============================================
   COMPONENT: MODAL SYSTEM
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    animation: fadeIn 200ms ease;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-modal);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    animation: scaleIn 250ms ease;
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.modal-body { padding: var(--space-6); }
.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
}

/* Slide-up modal (for mobile) */
@media (max-width: 640px) {
    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }
    .modal {
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 85vh;
        animation: slideUp 300ms ease;
    }
}

/* ============================================
   COMPONENT: TOAST SYSTEM
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 420px;
    width: 100%;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 300ms ease;
    position: relative;
}

.toast.success { border-left: 4px solid var(--color-success); }
.toast.warning { border-left: 4px solid var(--color-warning); }
.toast.error   { border-left: 4px solid var(--color-danger); }
.toast.info    { border-left: 4px solid var(--color-info); }

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast.success .toast-icon { color: var(--color-success); }
.toast.warning .toast-icon { color: var(--color-warning); }
.toast.error .toast-icon   { color: var(--color-danger); }
.toast.info .toast-icon    { color: var(--color-info); }

.toast-content { flex: 1; }
.toast-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}
.toast-message {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.toast-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}
.toast-close:hover { background: var(--color-surface-hover); }

/* ============================================
   COMPONENT: LOADING SKELETONS
   ============================================ */
.skeleton {
    background: linear-gradient(90deg,
        var(--color-border-light) 25%,
        var(--color-surface-hover) 50%,
        var(--color-border-light) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    width: 100%;
}
.skeleton-text:last-child { width: 60%; }

.skeleton-title {
    height: 20px;
    width: 50%;
    margin-bottom: 12px;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-md);
}

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

/* ============================================
   COMPONENT: EMPTY STATES
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-4);
    text-align: center;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-6);
    color: var(--color-text-muted);
    opacity: 0.4;
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.empty-state-message {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    max-width: 400px;
    margin-bottom: var(--space-6);
    line-height: 1.5;
}

/* ============================================
   COMPONENT: NOTIFICATION CENTER
   ============================================ */
.notification-bell {
    position: relative;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.notification-bell:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.notification-bell svg { width: 20px; height: 20px; }

.notification-count {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 10px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    color: #FFF;
    background: var(--color-danger);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-surface);
    animation: pulse 2s infinite;
}

.notification-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 380px;
    max-height: 480px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-dropdown);
    z-index: var(--z-dropdown);
    overflow: hidden;
    display: none;
}

.notification-dropdown.show { display: block; animation: scaleIn 200ms ease; }

.notification-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.notification-dropdown-header h3 {
    font-size: var(--text-md);
    font-weight: 600;
}

.notification-list {
    overflow-y: auto;
    max-height: 360px;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.notification-item:hover { background: var(--color-surface-hover); }
.notification-item.unread { background: var(--color-primary-50); }
.notification-item.unread:hover { background: var(--color-primary-100); }

.notification-item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--color-surface-hover);
    color: var(--color-text-muted);
}

.notification-item-content { flex: 1; min-width: 0; }
.notification-item-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.4;
}
.notification-item-message {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.notification-item-time {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ============================================
   COMPONENT: COMMAND PALETTE
   ============================================ */
.command-palette-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    z-index: var(--z-command-palette);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
}

.command-palette-overlay.active { display: flex; }

.command-palette {
    width: 100%;
    max-width: 560px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-modal);
    overflow: hidden;
    animation: scaleIn 150ms ease;
}

.command-palette-input-wrapper {
    display: flex;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-3);
}

.command-palette-input-wrapper svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.command-palette-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: var(--text-md);
    font-family: var(--font-body);
    color: var(--color-text);
    background: transparent;
}

.command-palette-input::placeholder { color: var(--color-text-muted); }

.command-palette-results {
    max-height: 320px;
    overflow-y: auto;
    padding: var(--space-2);
}

.command-palette-group-label {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.command-palette-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.command-palette-item:hover,
.command-palette-item.active {
    background: var(--color-surface-hover);
}

.command-palette-item svg { width: 16px; height: 16px; color: var(--color-text-muted); flex-shrink: 0; }
.command-palette-item-label { flex: 1; font-size: var(--text-base); color: var(--color-text); }
.command-palette-item-shortcut {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    background: var(--color-surface-hover);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
}

.command-palette-footer {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border-light);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.command-palette-footer kbd {
    padding: 1px 5px;
    background: var(--color-surface-hover);
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 11px;
}

/* ============================================
   COMPONENT: THEME TOGGLE
   ============================================ */
.theme-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.theme-toggle svg { width: 18px; height: 18px; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

/* ============================================
   COMPONENT: SEARCH INPUT
   ============================================ */
.search-input-wrapper,
.co-search-group,
.clean-search,
.search-box-wrapper {
    position: relative !important;
    display: inline-flex !important;
    align-items: center !important;
}

.search-input-wrapper svg,
.co-search-group svg,
.clean-search svg,
.search-box-wrapper svg {
    position: absolute !important;
    left: 14px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 16px !important;
    height: 16px !important;
    color: var(--color-text-muted) !important;
    pointer-events: none !important;
    z-index: 10 !important;
}

.search-input-wrapper input,
.search-input-wrapper .form-input,
.co-search-group input,
.co-search-input,
.clean-search input,
.clean-search-input,
.search-box-wrapper input {
    padding-left: 42px !important;
}

.search-input-wrapper .shortcut-hint {
    position: absolute;
    right: 10px;
    padding: 2px 8px;
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    background: var(--color-surface-hover);
    border-radius: var(--radius-xs);
    border: 1px solid var(--color-border);
    pointer-events: none;
}

/* ============================================
   COMPONENT: AVATAR
   ============================================ */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border-light);
    flex-shrink: 0;
}
.avatar-sm { width: 28px; height: 28px; }
.avatar-lg { width: 48px; height: 48px; }
.avatar-xl { width: 64px; height: 64px; }

.avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-50);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-sm);
}

/* ============================================
   LAYOUT: DASHBOARD
   ============================================ */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
    background: var(--color-bg);
}

.dashboard-sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border-light);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: var(--z-sticky);
    transition: width var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.dashboard-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard-topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.dashboard-main {
    flex: 1;
    padding: var(--space-6);
}

/* Sidebar nav */
.sidebar-nav { padding: var(--space-2); flex: 1; }
.sidebar-section { margin-bottom: var(--space-2); }
.sidebar-section-title {
    padding: var(--space-2) var(--space-3);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
}

.sidebar-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.sidebar-link.active {
    background: var(--color-primary-50);
    color: var(--color-primary);
    font-weight: 500;
}

.sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-link .badge {
    margin-left: auto;
    font-size: 11px;
    padding: 1px 7px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    text-decoration: none;
}

.sidebar-brand-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.sidebar-brand-name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary);
}

/* Mobile sidebar */
@media (max-width: 1024px) {
    .dashboard-sidebar {
        transform: translateX(-100%);
    }
    .dashboard-sidebar.open { transform: translateX(0); }
    .dashboard-content { margin-left: 0; }
}

/* ============================================
   LAYOUT: GRID UTILITIES
   ============================================ */
.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   COMPONENT: CARD
   ============================================ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}
.card-title { font-family: var(--font-body); font-size: var(--text-md); font-weight: 600; color: var(--color-text); }
.card-body { padding: var(--space-5); }

/* ============================================
   PAGE HEADER & TYPOGRAPHY HIERARCHY
   ============================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-title {
    font-family: var(--font-body);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 4px;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ============================================
   COMPONENT: TABS
   ============================================ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border-light);
    gap: 0;
    overflow-x: auto;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}
.tabs::-webkit-scrollbar {
    display: none;  /* Chrome, Safari and Opera */
}

.tab-item {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-muted);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.tab-item:hover { color: var(--color-text); }
.tab-item.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* ============================================
   COMPONENT: PROGRESS BAR
   ============================================ */
.progress {
    height: 8px;
    background: var(--color-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transition: width var(--transition-slow);
}
.progress-bar.success { background: var(--color-success); }
.progress-bar.warning { background: var(--color-warning); }
.progress-bar.danger { background: var(--color-danger); }

/* ============================================
   COMPONENT: TIMELINE
   ============================================ */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border-light);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-5);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -22px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
    border: 2px solid var(--color-surface);
    z-index: 1;
}

.timeline-item.active .timeline-dot { background: var(--color-primary); }
.timeline-item.success .timeline-dot { background: var(--color-success); }

.timeline-content {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.timeline-time {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ============================================
   COMPONENT: DROPDOWN
   ============================================ */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-dropdown);
    z-index: var(--z-dropdown);
    padding: var(--space-1);
    display: none;
    animation: scaleIn 150ms ease;
}
.dropdown-menu.show { display: block; }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    transition: background var(--transition-fast);
}
.dropdown-item:hover { background: var(--color-surface-hover); color: var(--color-text); }
.dropdown-item svg { width: 16px; height: 16px; }
.dropdown-divider { height: 1px; background: var(--color-border-light); margin: var(--space-1) 0; }

/* ============================================
   COMPONENT: PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-link:hover { background: var(--color-surface-hover); border-color: var(--color-text-muted); }
.page-link.active {
    background: var(--color-primary);
    color: #FFF;
    border-color: var(--color-primary);
}
.page-link.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border-light);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-4);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -21px;
    top: 3px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-surface);
    box-shadow: 0 0 0 2px var(--color-border-light);
}

.timeline-content {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.timeline-time {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ============================================
   RFQ UID BADGE
   ============================================ */
.rfq-uid {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-primary);
    background: var(--color-primary-50);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    white-space: nowrap;
}

/* ============================================
   GRID UTILITIES
   ============================================ */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

@media (max-width: 1024px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; } }

/* ============================================
   PROGRESS BAR VARIANTS
   ============================================ */
.progress-bar.success { background: var(--color-success); }
.progress-bar.warning { background: var(--color-warning); }
.progress-bar.danger { background: var(--color-danger); }

/* ============================================
   NOTIFICATION ITEMS (Full Page)
   ============================================ */
.notification-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition-fast);
    text-decoration: none;
}

.notification-item:hover { background: var(--color-surface-hover); }
.notification-item.unread { background: var(--color-primary-50); }
.notification-item.unread:hover { background: var(--color-primary-100); }

.notification-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-surface-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.notification-item-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.notification-item.unread .notification-item-title { font-weight: 600; }

.notification-item-message {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.notification-item-time {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ============================================
   DROPDOWN MENU (user dropdowns)
   ============================================ */
.dropdown { position: relative; }

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
    padding: 4px 0;
    min-width: 180px;
}

.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover { background: var(--color-surface-hover); color: var(--color-text); }
.dropdown-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.6; }
.dropdown-divider { height: 1px; background: var(--color-border-light); margin: 4px 0; }


/* ============================================
   AVATAR
   ============================================ */
.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 600;
    overflow: hidden;
}

.avatar-sm { width: 32px; height: 32px; font-size: 13px; }
.avatar-md { width: 40px; height: 40px; font-size: 16px; }
.avatar-lg { width: 48px; height: 48px; font-size: 18px; }
.avatar-xl { width: 64px; height: 64px; font-size: 24px; }

.avatar-placeholder {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .dashboard-sidebar,
    .dashboard-topbar,
    .toast-container,
    .command-palette-overlay,
    .notification-dropdown,
    .btn,
    .no-print { display: none !important; }

    .dashboard-content { margin-left: 0 !important; }
    .dashboard-main { padding: 0 !important; }

    body {
        background: #FFF !important;
        color: #000 !important;
    }
}