/* ==========================================================================
   BAPP Framework Pages — Shared Design System
   Pure CSS · No Bootstrap · Ant Design + Tabler aligned
   Prefix: bf-
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens (Custom Properties)
   -------------------------------------------------------------------------- */
:root {
    /* Primary — inherits from React Ant Design when available */
    --bf-primary:       var(--auto-frontend-primary-color, #4062ed);
    --bf-primary-rgb:   64, 98, 237;
    --bf-primary-hover: color-mix(in srgb, var(--bf-primary) 85%, black);

    /* Semantic */
    --bf-success:       #16a34a;
    --bf-success-rgb:   22, 163, 74;
    --bf-warning:       #f59e0b;
    --bf-warning-rgb:   245, 158, 11;
    --bf-danger:        #ef4444;
    --bf-danger-rgb:    239, 68, 68;
    --bf-info:          #3b82f6;
    --bf-info-rgb:      59, 130, 246;

    /* Surfaces */
    --bf-bg-body:       #f5f7fb;
    --bf-bg-surface:    #ffffff;
    --bf-bg-surface-secondary: #f9fafb;
    --bf-bg-muted:      #f3f4f6;

    /* Text */
    --bf-text:          var(--auto-frontend-text-color, #1f2937);
    --bf-text-secondary:#6b7280;
    --bf-text-muted:    #94a3b8;

    /* Borders */
    --bf-border:        #e5e7eb;
    --bf-border-light:  #f1f5f9;

    /* Typography */
    --bf-font:          "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --bf-font-mono:     "SF Mono", Monaco, Consolas, "Liberation Mono", monospace;
    --bf-font-size:     0.875rem;     /* 14px */
    --bf-line-height:   1.4286;

    /* Spacing (4px grid) */
    --bf-space-1:  0.25rem;   /* 4px  */
    --bf-space-2:  0.5rem;    /* 8px  */
    --bf-space-3:  0.75rem;   /* 12px */
    --bf-space-4:  1rem;      /* 16px */
    --bf-space-5:  1.25rem;   /* 20px */
    --bf-space-6:  1.5rem;    /* 24px */
    --bf-space-8:  2rem;      /* 32px */

    /* Radius — Tabler scale */
    --bf-radius-sm:  4px;
    --bf-radius:     6px;
    --bf-radius-lg:  8px;
    --bf-radius-xl:  12px;
    --bf-radius-2xl: 16px;
    --bf-radius-pill: 999px;

    /* Shadows — Tabler inspired */
    --bf-shadow:         0 0 4px rgba(31, 41, 55, 0.04);
    --bf-shadow-sm:      0 1px 2px rgba(31, 41, 55, 0.06);
    --bf-shadow-md:      0 2px 8px rgba(31, 41, 55, 0.08);
    --bf-shadow-lg:      0 4px 16px rgba(31, 41, 55, 0.10);
    --bf-shadow-hover:   0 2px 16px rgba(31, 41, 55, 0.14);

    /* Transitions */
    --bf-transition:     0.15s ease-in-out;
}

/* --------------------------------------------------------------------------
   1b. Dark Mode Tokens
   -------------------------------------------------------------------------- */
.auto-frontend-dark {
    --bf-bg-body:       #111827;
    --bf-bg-surface:    #1e293b;
    --bf-bg-surface-secondary: #111827;
    --bf-bg-muted:      #1e293b;

    --bf-text:          #e5e7eb;
    --bf-text-secondary:#94a3b8;
    --bf-text-muted:    #64748b;

    --bf-border:        #334155;
    --bf-border-light:  #293548;

    --bf-shadow:        0 0 4px rgba(0, 0, 0, 0.12);
    --bf-shadow-sm:     0 1px 2px rgba(0, 0, 0, 0.16);
    --bf-shadow-md:     0 2px 8px rgba(0, 0, 0, 0.20);
    --bf-shadow-lg:     0 4px 16px rgba(0, 0, 0, 0.24);
    --bf-shadow-hover:  0 2px 16px rgba(0, 0, 0, 0.28);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
.bf-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--bf-space-5) var(--bf-space-4) var(--bf-space-8);
    font-family: var(--bf-font);
    font-size: var(--bf-font-size);
    line-height: var(--bf-line-height);
    color: var(--bf-text);
    -webkit-font-smoothing: antialiased;
}

.bf-page * { box-sizing: border-box; }

.bf-page a { color: var(--bf-primary); text-decoration: none; }
.bf-page a:hover { opacity: 0.85; }

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
.bf-h1 { font-size: 1.5rem;   font-weight: 600; line-height: 1.2; margin: 0 0 var(--bf-space-4); color: var(--bf-text); }
.bf-h2 { font-size: 1.25rem;  font-weight: 600; line-height: 1.2; margin: 0 0 var(--bf-space-3); color: var(--bf-text); }
.bf-h3 { font-size: 1rem;     font-weight: 600; line-height: 1.3; margin: 0 0 var(--bf-space-2); color: var(--bf-text); }
.bf-h4 { font-size: 0.875rem; font-weight: 600; line-height: 1.3; margin: 0 0 var(--bf-space-2); color: var(--bf-text); }

.bf-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bf-text-secondary);
}

.bf-text-muted { color: var(--bf-text-muted); }
.bf-text-sm    { font-size: 0.8125rem; }
.bf-text-xs    { font-size: 0.75rem; }

/* --------------------------------------------------------------------------
   4. Card
   -------------------------------------------------------------------------- */
.bf-card {
    background: var(--bf-bg-surface);
    border: 1px solid var(--bf-border);
    border-radius: var(--bf-radius);
    box-shadow: var(--bf-shadow);
    transition: border-color var(--bf-transition), box-shadow var(--bf-transition);
}

.bf-card:hover {
    border-color: color-mix(in srgb, var(--bf-primary) 30%, transparent);
    box-shadow: var(--bf-shadow-hover);
}

.bf-card-header {
    padding: var(--bf-space-4) var(--bf-space-5);
    border-bottom: 1px solid var(--bf-border);
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
}

.bf-card-header .bf-card-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.bf-card-body {
    padding: var(--bf-space-5);
}

.bf-card-footer {
    padding: var(--bf-space-4) var(--bf-space-5);
    border-top: 1px solid var(--bf-border);
}

/* Card without hover */
.bf-card-static { transition: none; }
.bf-card-static:hover { border-color: var(--bf-border); box-shadow: var(--bf-shadow); }

/* --------------------------------------------------------------------------
   5. Stat Cards (Tabler card-sm inspired)
   -------------------------------------------------------------------------- */
.bf-stats {
    display: grid;
    gap: var(--bf-space-3);
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin-bottom: var(--bf-space-6);
}

.bf-stat {
    background: var(--bf-bg-surface);
    border: 1px solid var(--bf-border);
    border-radius: var(--bf-radius);
    padding: var(--bf-space-4) var(--bf-space-5);
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
    box-shadow: var(--bf-shadow);
}

.bf-stat.bf-stat-highlight {
    background: linear-gradient(135deg, color-mix(in srgb, var(--bf-primary) 90%, black), var(--bf-primary));
    color: #fff;
    border-color: transparent;
}
.bf-stat.bf-stat-highlight .bf-stat-label { color: rgba(255, 255, 255, 0.85); }

.bf-stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--bf-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    color: #fff;
}

/* Stat icon semantic colors */
.bf-stat-icon-primary { background: var(--bf-primary); }
.bf-stat-icon-success { background: var(--bf-success); }
.bf-stat-icon-warning { background: var(--bf-warning); }
.bf-stat-icon-danger  { background: var(--bf-danger); }
.bf-stat-icon-info    { background: var(--bf-info); }
.bf-stat-icon-neutral { background: #6b7280; }
.bf-stat-icon-purple  { background: #a855f7; }

.bf-stat-value {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.bf-stat-label {
    font-size: 0.78rem;
    color: var(--bf-text-secondary);
}

/* --------------------------------------------------------------------------
   6. Badges
   -------------------------------------------------------------------------- */
.bf-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--bf-radius-pill);
    line-height: 1.4;
    white-space: nowrap;
}

/* Semantic badge colors (soft) */
.bf-badge-primary   { background: rgba(var(--bf-primary-rgb), 0.10);  color: var(--bf-primary); }
.bf-badge-success   { background: rgba(var(--bf-success-rgb), 0.10);  color: var(--bf-success); }
.bf-badge-warning   { background: rgba(var(--bf-warning-rgb), 0.10);  color: var(--bf-warning); }
.bf-badge-danger    { background: rgba(var(--bf-danger-rgb),  0.10);  color: var(--bf-danger); }
.bf-badge-info      { background: rgba(var(--bf-info-rgb),    0.10);  color: var(--bf-info); }
.bf-badge-neutral   { background: rgba(107, 114, 128, 0.10);          color: #6b7280; }
.bf-badge-purple    { background: rgba(168, 85, 247, 0.10);           color: #a855f7; }

/* Solid badge */
.bf-badge-solid {
    background: var(--bf-primary);
    color: #fff;
}

/* Dot badge (small indicator) */
.bf-badge-dot {
    padding: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.bf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0.5rem 1rem;
    font-family: var(--bf-font);
    font-size: var(--bf-font-size);
    font-weight: 500;
    line-height: 1.25rem;
    border-radius: var(--bf-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--bf-transition), color var(--bf-transition), border-color var(--bf-transition), box-shadow var(--bf-transition), transform var(--bf-transition);
    box-shadow: var(--bf-shadow-sm);
}

.bf-btn:hover { transform: translateY(-1px); box-shadow: var(--bf-shadow-md); }
.bf-btn:active { transform: translateY(0); }
.bf-btn:disabled, .bf-btn.disabled { opacity: 0.4; pointer-events: none; }

/* Primary */
.bf-btn-primary, a.bf-btn-primary {
    background: var(--bf-primary);
    color: #fff;
    border-color: var(--bf-primary);
}
.bf-btn-primary:hover, a.bf-btn-primary:hover {
    background: var(--bf-primary-hover);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--bf-primary-rgb), 0.35);
}

/* Secondary / Outline */
.bf-btn-outline {
    background: var(--bf-bg-surface);
    color: var(--bf-text);
    border-color: var(--bf-border);
    box-shadow: none;
}
.bf-btn-outline:hover { border-color: var(--bf-primary); color: var(--bf-primary); }

/* Ghost */
.bf-btn-ghost {
    background: transparent;
    color: var(--bf-text-secondary);
    border-color: transparent;
    box-shadow: none;
}
.bf-btn-ghost:hover { background: var(--bf-bg-muted); color: var(--bf-text); }

/* Danger */
.bf-btn-danger {
    background: var(--bf-danger);
    color: #fff;
    border-color: var(--bf-danger);
}

/* Success */
.bf-btn-success {
    background: var(--bf-success);
    color: #fff;
    border-color: var(--bf-success);
}

/* Pill shape */
.bf-btn-pill { border-radius: var(--bf-radius-pill); }

/* Sizes */
.bf-btn-sm { padding: 0.3125rem 0.5rem; font-size: 0.75rem; border-radius: var(--bf-radius-sm); }
.bf-btn-lg { padding: 0.6875rem 1.5rem; font-size: 1rem; border-radius: var(--bf-radius-lg); }

/* Icon-only */
.bf-btn-icon {
    padding: 0.5rem;
    min-width: 36px;
    min-height: 36px;
}

/* --------------------------------------------------------------------------
   8. Chips / Filter Pills
   -------------------------------------------------------------------------- */
.bf-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: var(--bf-space-4);
    align-items: center;
}

.bf-chips-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--bf-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding-right: var(--bf-space-2);
}

.bf-chip {
    border: 1px solid var(--bf-border);
    background: var(--bf-bg-surface);
    color: var(--bf-text);
    border-radius: var(--bf-radius-lg);
    padding: 4px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--bf-transition), color var(--bf-transition), border-color var(--bf-transition);
}

.bf-chip.active, .bf-chip.bf-chip-active {
    background: var(--bf-primary);
    color: #fff;
    border-color: transparent;
}

.bf-chip:hover:not(.active):not(.bf-chip-active) {
    border-color: var(--bf-primary);
    color: var(--bf-primary);
}

/* --------------------------------------------------------------------------
   9. Tabs (pill style)
   -------------------------------------------------------------------------- */
.bf-tabs {
    display: flex;
    gap: 4px;
    background: var(--bf-bg-surface);
    border-radius: var(--bf-radius-lg);
    padding: 4px;
    box-shadow: var(--bf-shadow);
}

.bf-tab {
    padding: 8px 18px;
    border-radius: var(--bf-radius);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--bf-text-secondary);
    text-decoration: none;
    transition: background var(--bf-transition), color var(--bf-transition), box-shadow var(--bf-transition);
    border: none;
    background: transparent;
}

.bf-tab.active, .bf-tab.bf-tab-active {
    background: var(--bf-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--bf-primary-rgb), 0.30);
}

.bf-tab:hover:not(.active):not(.bf-tab-active) {
    color: var(--bf-text);
    background: var(--bf-bg-muted);
}

/* --------------------------------------------------------------------------
   10. Toolbar (tabs + search + action)
   -------------------------------------------------------------------------- */
.bf-toolbar {
    display: flex;
    gap: var(--bf-space-3);
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: var(--bf-space-5);
}

/* --------------------------------------------------------------------------
   11. Search Input
   -------------------------------------------------------------------------- */
.bf-search {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.bf-search input {
    width: 100%;
    border: 1px solid var(--bf-border);
    border-radius: var(--bf-radius);
    padding: 8px 16px 8px 38px;
    font-family: var(--bf-font);
    font-size: var(--bf-font-size);
    background: var(--bf-bg-surface);
    color: var(--bf-text);
    transition: border-color var(--bf-transition), box-shadow var(--bf-transition);
    box-shadow: var(--bf-shadow-sm);
}

.bf-search input:focus {
    outline: none;
    border-color: var(--bf-primary);
    box-shadow: 0 0 0 3px rgba(var(--bf-primary-rgb), 0.12);
}

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

.bf-search i, .bf-search .bf-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--bf-text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   12. Form Controls
   -------------------------------------------------------------------------- */
.bf-input, .bf-select, .bf-textarea {
    width: 100%;
    border: 1px solid var(--bf-border);
    border-radius: var(--bf-radius);
    padding: 0.5rem 0.75rem;
    font-family: var(--bf-font);
    font-size: var(--bf-font-size);
    background: var(--bf-bg-surface);
    color: var(--bf-text);
    transition: border-color var(--bf-transition), box-shadow var(--bf-transition);
    box-shadow: 0 1px 1px rgba(31, 41, 55, 0.06);
}

.bf-input:focus, .bf-select:focus, .bf-textarea:focus {
    outline: none;
    border-color: var(--bf-primary);
    box-shadow: 0 0 0 3px rgba(var(--bf-primary-rgb), 0.12);
}

.bf-textarea { resize: vertical; min-height: 80px; }

.bf-form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--bf-text);
    margin-bottom: var(--bf-space-1);
}

.bf-form-group { margin-bottom: var(--bf-space-4); }

.bf-form-hint {
    font-size: 0.75rem;
    color: var(--bf-text-muted);
    margin-top: var(--bf-space-1);
}

/* --------------------------------------------------------------------------
   13. Tables
   -------------------------------------------------------------------------- */
.bf-table {
    width: 100%;
    border-collapse: collapse;
}

.bf-table th {
    padding: 0.625rem 0.75rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bf-text-secondary);
    border-bottom: 2px solid var(--bf-border);
    background: transparent;
}

.bf-table td {
    padding: 0.625rem 0.75rem;
    font-size: var(--bf-font-size);
    color: var(--bf-text);
    border-bottom: 1px solid var(--bf-border-light);
    vertical-align: middle;
}

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

.bf-table tr:hover td { background: var(--bf-bg-surface-secondary); }

.bf-table-compact th,
.bf-table-compact td { padding: 0.375rem 0.625rem; }

/* --------------------------------------------------------------------------
   14. Pagination
   -------------------------------------------------------------------------- */
.bf-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: var(--bf-space-6);
    flex-wrap: wrap;
}

.bf-page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--bf-radius);
    border: 1px solid var(--bf-border);
    background: var(--bf-bg-surface);
    color: var(--bf-text);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--bf-transition), color var(--bf-transition), border-color var(--bf-transition);
}

.bf-page-btn:hover {
    border-color: var(--bf-primary);
    color: var(--bf-primary);
}

.bf-page-btn.active, .bf-page-btn.bf-page-active {
    background: var(--bf-primary);
    color: #fff;
    border-color: transparent;
}

.bf-page-btn.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.bf-page-info {
    font-size: 0.78rem;
    color: var(--bf-text-muted);
    padding: 0 var(--bf-space-2);
    user-select: none;
}

/* --------------------------------------------------------------------------
   15. Alerts / Response Blocks
   -------------------------------------------------------------------------- */
.bf-alert {
    padding: var(--bf-space-3) var(--bf-space-4);
    border-radius: var(--bf-radius-lg);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: var(--bf-space-4);
}

.bf-alert-info    { background: rgba(var(--bf-info-rgb), 0.06);    border-left: 3px solid var(--bf-info); }
.bf-alert-success { background: rgba(var(--bf-success-rgb), 0.06); border-left: 3px solid var(--bf-success); }
.bf-alert-warning { background: rgba(var(--bf-warning-rgb), 0.06); border-left: 3px solid var(--bf-warning); }
.bf-alert-danger  { background: rgba(var(--bf-danger-rgb), 0.06);  border-left: 3px solid var(--bf-danger); }

/* --------------------------------------------------------------------------
   16. Empty State
   -------------------------------------------------------------------------- */
.bf-empty {
    text-align: center;
    padding: var(--bf-space-8) var(--bf-space-4);
    color: var(--bf-text-muted);
}

.bf-empty i, .bf-empty .bf-empty-icon {
    font-size: 2.5rem;
    color: #cbd5e1;
    margin-bottom: var(--bf-space-3);
    display: block;
    width: 100%;
    text-align: center;
}

.auto-frontend-dark .bf-empty i,
.auto-frontend-dark .bf-empty .bf-empty-icon { color: #475569; }

.bf-empty p { margin: var(--bf-space-2) 0 0; }

/* --------------------------------------------------------------------------
   17. Avatars
   -------------------------------------------------------------------------- */
.bf-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    background: var(--bf-primary);
    color: #fff;
}

.bf-avatar-sm { width: 24px; height: 24px; font-size: 0.625rem; }
.bf-avatar-lg { width: 40px; height: 40px; font-size: 0.875rem; }
.bf-avatar-xl { width: 52px; height: 52px; font-size: 1.1rem; }

/* --------------------------------------------------------------------------
   18. Meta / Inline Info
   -------------------------------------------------------------------------- */
.bf-meta {
    display: flex;
    gap: var(--bf-space-4);
    font-size: 0.78rem;
    color: var(--bf-text-secondary);
    flex-wrap: wrap;
    align-items: center;
}

.bf-meta i { margin-right: 4px; }

.bf-meta a {
    color: var(--bf-text-secondary);
    text-decoration: none;
    transition: color var(--bf-transition);
}
.bf-meta a:hover { color: var(--bf-primary); }

/* --------------------------------------------------------------------------
   19. Vote Component
   -------------------------------------------------------------------------- */
.bf-vote {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-width: 48px;
}

.bf-vote-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    font-size: 1.1rem;
    color: var(--bf-text-muted);
    transition: color var(--bf-transition), transform 0.1s;
    border-radius: var(--bf-radius);
}
.bf-vote-btn:hover { color: var(--bf-primary); transform: scale(1.2); }
.bf-vote-btn.voted-up  { color: var(--bf-success); }
.bf-vote-btn.voted-down { color: var(--bf-danger); }

.bf-vote-count {
    font-size: 1rem;
    font-weight: 700;
    color: var(--bf-text);
}

/* --------------------------------------------------------------------------
   20. Grid utilities
   -------------------------------------------------------------------------- */
.bf-grid      { display: grid; gap: var(--bf-space-3); }
.bf-grid-2    { grid-template-columns: repeat(2, 1fr); }
.bf-grid-3    { grid-template-columns: repeat(3, 1fr); }
.bf-grid-4    { grid-template-columns: repeat(4, 1fr); }
.bf-grid-auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.bf-flex      { display: flex; }
.bf-flex-wrap { flex-wrap: wrap; }
.bf-gap-2     { gap: var(--bf-space-2); }
.bf-gap-3     { gap: var(--bf-space-3); }
.bf-gap-4     { gap: var(--bf-space-4); }
.bf-items-center   { align-items: center; }
.bf-justify-between { justify-content: space-between; }

/* --------------------------------------------------------------------------
   21. Spacing utilities
   -------------------------------------------------------------------------- */
.bf-mb-0 { margin-bottom: 0; }
.bf-mb-2 { margin-bottom: var(--bf-space-2); }
.bf-mb-3 { margin-bottom: var(--bf-space-3); }
.bf-mb-4 { margin-bottom: var(--bf-space-4); }
.bf-mb-6 { margin-bottom: var(--bf-space-6); }
.bf-mt-4 { margin-top: var(--bf-space-4); }
.bf-mt-6 { margin-top: var(--bf-space-6); }

/* --------------------------------------------------------------------------
   22. Key-Value List (stat rows inside cards)
   -------------------------------------------------------------------------- */
.bf-kv-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--bf-space-2) 0;
    border-bottom: 1px solid var(--bf-border-light);
}
.bf-kv-row:last-child { border-bottom: none; }
.bf-kv-label { font-size: 0.85rem; color: var(--bf-text-secondary); }
.bf-kv-value { font-size: 0.95rem; font-weight: 600; color: var(--bf-text); }

/* --------------------------------------------------------------------------
   23. Modal
   -------------------------------------------------------------------------- */
.bf-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}
.bf-modal-backdrop.open { opacity: 1; visibility: visible; }

.bf-modal {
    background: var(--bf-bg-surface);
    border-radius: var(--bf-radius-lg);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 520px;
    max-height: calc(100vh - 3rem);
    display: flex;
    flex-direction: column;
    transform: translateY(12px) scale(0.98);
    transition: transform 0.2s;
    overflow: hidden;
}
.bf-modal-backdrop.open .bf-modal { transform: translateY(0) scale(1); }

/* Sizes */
.bf-modal-sm { max-width: 380px; }
.bf-modal-lg { max-width: 720px; }
.bf-modal-full { max-width: calc(100vw - 2rem); }

.bf-modal-header {
    padding: var(--bf-space-4) var(--bf-space-5);
    border-bottom: 1px solid var(--bf-border);
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
    flex-shrink: 0;
}

.bf-modal-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
    color: var(--bf-text);
}

.bf-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--bf-space-1);
    font-size: 1.1rem;
    color: var(--bf-text-muted);
    border-radius: var(--bf-radius);
    transition: background var(--bf-transition), color var(--bf-transition);
    line-height: 1;
}
.bf-modal-close:hover { background: var(--bf-bg-muted); color: var(--bf-text); }

.bf-modal-body {
    padding: var(--bf-space-5);
    overflow-y: auto;
    flex: 1;
}

.bf-modal-footer {
    padding: var(--bf-space-4) var(--bf-space-5);
    border-top: 1px solid var(--bf-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--bf-space-2);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   24. Drawer (slide-in panel)
   -------------------------------------------------------------------------- */
.bf-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}
.bf-drawer-backdrop.open { opacity: 1; visibility: visible; }

.bf-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 420px;
    max-width: calc(100vw - 2rem);
    background: var(--bf-bg-surface);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.bf-drawer-backdrop.open .bf-drawer { transform: translateX(0); }

/* Sizes */
.bf-drawer-sm { width: 320px; }
.bf-drawer-lg { width: 560px; }

.bf-drawer-header {
    padding: var(--bf-space-4) var(--bf-space-5);
    border-bottom: 1px solid var(--bf-border);
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
    flex-shrink: 0;
}

.bf-drawer-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
    color: var(--bf-text);
}

.bf-drawer-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--bf-space-1);
    font-size: 1.1rem;
    color: var(--bf-text-muted);
    border-radius: var(--bf-radius);
    transition: background var(--bf-transition), color var(--bf-transition);
    line-height: 1;
}
.bf-drawer-close:hover { background: var(--bf-bg-muted); color: var(--bf-text); }

.bf-drawer-body {
    padding: var(--bf-space-5);
    overflow-y: auto;
    flex: 1;
}

.bf-drawer-footer {
    padding: var(--bf-space-4) var(--bf-space-5);
    border-top: 1px solid var(--bf-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--bf-space-2);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   25. Private / Small Info badges
   -------------------------------------------------------------------------- */
.bf-info-badge {
    font-size: 0.72rem;
    color: var(--bf-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* --------------------------------------------------------------------------
   26. Segmented Control
   -------------------------------------------------------------------------- */
.bf-segmented {
    display: inline-flex;
    background: var(--bf-bg-muted);
    border-radius: var(--bf-radius-lg);
    padding: 3px;
    gap: 2px;
}

.bf-segmented-item {
    padding: 6px 16px;
    border-radius: var(--bf-radius);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--bf-text-secondary);
    cursor: pointer;
    text-decoration: none;
    border: none;
    background: transparent;
    transition: background var(--bf-transition), color var(--bf-transition), box-shadow var(--bf-transition);
    white-space: nowrap;
    font-family: var(--bf-font);
    line-height: 1.4;
}

.bf-segmented-item.active, .bf-segmented-item.bf-segmented-active {
    background: var(--bf-bg-surface);
    color: var(--bf-text);
    box-shadow: var(--bf-shadow-sm);
}

.bf-segmented-item:hover:not(.active):not(.bf-segmented-active) {
    color: var(--bf-text);
}

/* Size variants */
.bf-segmented-sm .bf-segmented-item { padding: 4px 12px; font-size: 0.75rem; }
.bf-segmented-lg .bf-segmented-item { padding: 8px 20px; font-size: 0.875rem; }

/* --------------------------------------------------------------------------
   27. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .bf-page { padding: var(--bf-space-4) var(--bf-space-3) var(--bf-space-6); }

    .bf-stats { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

    .bf-toolbar { flex-direction: column; align-items: stretch; }
    .bf-tabs { overflow-x: auto; flex-shrink: 0; }

    .bf-grid-2, .bf-grid-3, .bf-grid-4 { grid-template-columns: 1fr; }

    .bf-vote { flex-direction: row; gap: var(--bf-space-2); }
}