/*  ╔══════════════════════════════════════════════════════════════╗
    ║  VoiceBoard Portal — Luxury Theme System                    ║
    ║  2 режима (light/dark) × 2 палитры (premium/ocean) = 4 темы║
    ╚══════════════════════════════════════════════════════════════╝ */

/* ================================================================
   1. ШРИФТЫ
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ================================================================
   2. CSS CUSTOM PROPERTIES — Тема по умолчанию: Light + Premium
   ================================================================ */
:root {
    /* Шрифты */
    --vb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --vb-font-mono: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;

    /* Радиусы */
    --vb-radius-xs: 6px;
    --vb-radius-sm: 8px;
    --vb-radius: 12px;
    --vb-radius-lg: 16px;
    --vb-radius-full: 9999px;

    /* Transitions */
    --vb-transition-fast: 0.15s ease;
    --vb-transition: 0.2s ease;
    --vb-transition-slow: 0.3s ease;

    /* ─── Light Premium (по умолчанию) ─── */
    --vb-bg-page: #F5F5F7;
    --vb-bg-surface: #FFFFFF;
    --vb-bg-surface-hover: #F9FAFB;
    --vb-bg-sidebar: #FFFFFF;
    --vb-bg-navbar: #18181B;
    --vb-bg-input: #FFFFFF;
    --vb-border: rgba(0, 0, 0, 0.06);
    --vb-border-strong: rgba(0, 0, 0, 0.12);
    --vb-text-primary: #111827;
    --vb-text-secondary: #6B7280;
    --vb-text-tertiary: #9CA3AF;
    --vb-text-on-dark: #FFFFFF;
    --vb-accent: #6366F1;
    --vb-accent-hover: #4F46E5;
    --vb-accent-glow: rgba(99, 102, 241, 0.12);
    --vb-accent-soft: rgba(99, 102, 241, 0.06);
    --vb-accent-gradient: linear-gradient(135deg, #6366F1, #A78BFA);
    --vb-cta: #F97316;
    --vb-cta-hover: #EA580C;
    --vb-cta-glow: rgba(249, 115, 22, 0.15);
    --vb-success: #10B981;
    --vb-success-soft: rgba(16, 185, 129, 0.08);
    --vb-warning: #F59E0B;
    --vb-warning-soft: rgba(245, 158, 11, 0.08);
    --vb-danger: #EF4444;
    --vb-danger-soft: rgba(239, 68, 68, 0.08);
    --vb-info: #3B82F6;
    --vb-info-soft: rgba(59, 130, 246, 0.08);
    --vb-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
    --vb-card-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.04);
    --vb-navbar-text: rgba(255, 255, 255, 0.7);
    --vb-navbar-text-hover: #FFFFFF;
    --vb-sidebar-link: #374151;
}

/* ─── Dark Premium ─── */
[data-vb-mode="dark"] {
    --vb-bg-page: #09090B;
    --vb-bg-surface: #18181B;
    --vb-bg-surface-hover: #1F1F23;
    --vb-bg-sidebar: #111114;
    --vb-bg-navbar: #09090B;
    --vb-bg-input: #1F1F23;
    --vb-border: rgba(255, 255, 255, 0.06);
    --vb-border-strong: rgba(255, 255, 255, 0.12);
    --vb-text-primary: #FAFAFA;
    --vb-text-secondary: #A1A1AA;
    --vb-text-tertiary: #71717A;
    --vb-accent: #818CF8;
    --vb-accent-hover: #6366F1;
    --vb-accent-glow: rgba(129, 140, 248, 0.15);
    --vb-accent-soft: rgba(129, 140, 248, 0.08);
    --vb-accent-gradient: linear-gradient(135deg, #818CF8, #C4B5FD);
    --vb-success-soft: rgba(16, 185, 129, 0.12);
    --vb-warning-soft: rgba(245, 158, 11, 0.12);
    --vb-danger-soft: rgba(239, 68, 68, 0.12);
    --vb-info-soft: rgba(59, 130, 246, 0.12);
    --vb-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --vb-card-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.4);
    --vb-sidebar-link: #D4D4D8;
}

/* ─── Light Ocean ─── */
[data-vb-palette="ocean"] {
    --vb-accent: #0D9488;
    --vb-accent-hover: #14B8A6;
    --vb-accent-glow: rgba(13, 148, 136, 0.12);
    --vb-accent-soft: rgba(13, 148, 136, 0.06);
    --vb-accent-gradient: linear-gradient(135deg, #0D9488, #2DD4BF);
    --vb-cta: #F97316;
    --vb-cta-hover: #EA580C;
}

/* ─── Dark Ocean ─── */
[data-vb-mode="dark"][data-vb-palette="ocean"] {
    --vb-bg-page: #0A0E14;
    --vb-bg-surface: #121820;
    --vb-bg-surface-hover: #182030;
    --vb-bg-sidebar: #0C1018;
    --vb-bg-navbar: #080C12;
    --vb-bg-input: #182030;
    --vb-border: rgba(255, 255, 255, 0.06);
    --vb-border-strong: rgba(255, 255, 255, 0.12);
    --vb-text-primary: #F0FDFA;
    --vb-text-secondary: #94A3B8;
    --vb-text-tertiary: #64748B;
    --vb-accent: #14B8A6;
    --vb-accent-hover: #2DD4BF;
    --vb-accent-glow: rgba(20, 184, 166, 0.15);
    --vb-accent-soft: rgba(20, 184, 166, 0.08);
    --vb-accent-gradient: linear-gradient(135deg, #0D9488, #2DD4BF);
    --vb-sidebar-link: #CBD5E1;
}

/* ================================================================
   3. RESET & BASE
   ================================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    min-height: 100%;
    font-family: var(--vb-font);
    font-size: 14px;
    line-height: 1.5;
    background: var(--vb-bg-page);
    color: var(--vb-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

a {
    color: var(--vb-accent);
    text-decoration: none;
    transition: color var(--vb-transition-fast);
}

a:hover {
    color: var(--vb-accent-hover);
}

/* ================================================================
   4. NAVBAR
   ================================================================ */
.vb-navbar {
    height: 56px;
    background: var(--vb-bg-navbar);
    display: flex;
    align-items: center;
    padding: 0 24px;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1050;
    position: sticky;
    top: 0;
}

.vb-navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.02em;
}

.vb-navbar-brand:hover {
    color: #fff;
}

.vb-navbar-brand .brand-icon {
    font-size: 22px;
    background: var(--vb-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vb-navbar-center {
    flex: 1;
}

.vb-navbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Theme controls */
.vb-theme-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-right: 8px;
}

.vb-theme-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--vb-navbar-text);
    width: 34px;
    height: 34px;
    border-radius: var(--vb-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all var(--vb-transition);
    padding: 0;
}

.vb-theme-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--vb-navbar-text-hover);
}

.vb-theme-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--vb-navbar-text-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.vb-theme-separator {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 4px;
}

.vb-user-badge {
    color: var(--vb-navbar-text);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 8px;
}

.vb-logout-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--vb-navbar-text);
    padding: 6px 14px;
    border-radius: var(--vb-radius-sm);
    font-size: 13px;
    font-family: var(--vb-font);
    cursor: pointer;
    transition: all var(--vb-transition);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.vb-logout-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--vb-navbar-text-hover);
}

/* Mobile hamburger */
.vb-menu-btn {
    display: none;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--vb-navbar-text);
    width: 36px;
    height: 36px;
    border-radius: var(--vb-radius-sm);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-right: 8px;
    padding: 0;
}

/* ================================================================
   5. LAYOUT (sidebar + content)
   ================================================================ */
.vb-layout {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ================================================================
   6. SIDEBAR
   ================================================================ */
.vb-sidebar {
    width: 240px;
    min-width: 240px;
    background: var(--vb-bg-sidebar);
    border-right: 1px solid var(--vb-border);
    display: flex;
    flex-direction: column;
    padding: 16px 12px;
    overflow-y: auto;
    transition: transform var(--vb-transition-slow);
}

.vb-nav-group {
    margin-bottom: 4px;
}

.vb-nav-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vb-text-tertiary);
    padding: 10px 12px 6px;
    user-select: none;
}

.vb-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--vb-radius-sm);
    color: var(--vb-sidebar-link);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--vb-transition-fast);
    position: relative;
    margin-bottom: 2px;
}

.vb-nav-link i {
    font-size: 18px;
    opacity: 0.7;
    transition: all var(--vb-transition-fast);
    width: 22px;
    text-align: center;
}

.vb-nav-link:hover {
    background: var(--vb-accent-soft);
    color: var(--vb-text-primary);
}

.vb-nav-link:hover i {
    opacity: 0.9;
}

.vb-nav-link.active {
    background: var(--vb-accent-glow);
    color: var(--vb-accent);
    font-weight: 600;
}

.vb-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--vb-accent);
    border-radius: 0 3px 3px 0;
}

.vb-nav-link.active i {
    opacity: 1;
    color: var(--vb-accent);
}

.vb-nav-divider {
    height: 1px;
    background: var(--vb-border);
    margin: 6px 12px;
}

.vb-sidebar-footer {
    margin-top: auto;
    padding: 14px 12px;
    border-top: 1px solid var(--vb-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.vb-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--vb-accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.vb-user-meta {
    overflow: hidden;
    min-width: 0;
}

.vb-user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--vb-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vb-user-email {
    font-size: 11px;
    color: var(--vb-text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================================================================
   7. CONTENT AREA
   ================================================================ */
.vb-content {
    flex: 1;
    overflow-y: auto;
    padding: 28px 32px;
    min-width: 0;
}

.vb-page-header {
    margin-bottom: 24px;
}

.vb-page-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--vb-text-primary);
    margin: 0;
}

.vb-page-subtitle {
    font-size: 14px;
    color: var(--vb-text-secondary);
    margin-top: 4px;
}

/* ================================================================
   8. STAT CARDS
   ================================================================ */
.vb-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.vb-stat-card {
    background: var(--vb-bg-surface);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius);
    padding: 20px;
    box-shadow: var(--vb-card-shadow);
    transition: all 0.25s ease;
    cursor: default;
}

.vb-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--vb-card-shadow-hover);
    border-color: var(--vb-border-strong);
}

.vb-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--vb-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 14px;
}

.vb-stat-icon.accent {
    background: var(--vb-accent-glow);
    color: var(--vb-accent);
}

.vb-stat-icon.success {
    background: var(--vb-success-soft);
    color: var(--vb-success);
}

.vb-stat-icon.warning {
    background: var(--vb-warning-soft);
    color: var(--vb-warning);
}

.vb-stat-icon.info {
    background: var(--vb-info-soft);
    color: var(--vb-info);
}

.vb-stat-icon.danger {
    background: var(--vb-danger-soft);
    color: var(--vb-danger);
}

.vb-stat-icon.cta {
    background: var(--vb-cta-glow);
    color: var(--vb-cta);
}

.vb-stat-label {
    font-size: 13px;
    color: var(--vb-text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}

.vb-stat-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    color: var(--vb-text-primary);
}

/* ================================================================
   9. CARDS
   ================================================================ */
.vb-card {
    background: var(--vb-bg-surface);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius);
    box-shadow: var(--vb-card-shadow);
    overflow: hidden;
    margin-bottom: 20px;
}

.vb-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--vb-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.vb-card-title {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--vb-text-primary);
    margin: 0;
}

.vb-card-title i {
    color: var(--vb-text-tertiary);
    font-size: 16px;
}

.vb-card-body {
    padding: 0;
}

.vb-card-body.padded {
    padding: 20px;
}

/* ================================================================
   10. TABLES
   ================================================================ */
.vb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.vb-table thead th {
    padding: 12px 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vb-text-tertiary);
    border-bottom: 1px solid var(--vb-border);
    text-align: left;
    white-space: nowrap;
}

.vb-table tbody tr {
    transition: background var(--vb-transition-fast);
}

.vb-table tbody tr:hover {
    background: var(--vb-bg-surface-hover);
}

.vb-table tbody td {
    padding: 12px 20px;
    border-bottom: 1px solid var(--vb-border);
    color: var(--vb-text-primary);
    vertical-align: middle;
}

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

.vb-table .mono {
    font-family: var(--vb-font-mono);
    font-size: 12px;
    color: var(--vb-text-secondary);
}

/* ================================================================
   11. BADGES
   ================================================================ */
.vb-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--vb-radius-full);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.vb-badge.accent {
    background: var(--vb-accent-glow);
    color: var(--vb-accent);
}

.vb-badge.success {
    background: var(--vb-success-soft);
    color: var(--vb-success);
}

.vb-badge.warning {
    background: var(--vb-warning-soft);
    color: var(--vb-warning);
}

.vb-badge.danger {
    background: var(--vb-danger-soft);
    color: var(--vb-danger);
}

.vb-badge.info {
    background: var(--vb-info-soft);
    color: var(--vb-info);
}

.vb-badge.neutral {
    background: var(--vb-border);
    color: var(--vb-text-secondary);
}

/* License type badge (gradient) */
.vb-badge-type {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: var(--vb-radius-xs);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #FFFFFF;
}

.vb-badge-type.trial {
    background: var(--vb-text-tertiary);
}

.vb-badge-type.pro {
    background: var(--vb-accent-gradient);
}

.vb-badge-type.ultra {
    background: linear-gradient(135deg, #F59E0B, #F97316);
}

/* ================================================================
   12. BUTTONS
   ================================================================ */
.vb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--vb-radius-sm);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--vb-font);
    cursor: pointer;
    transition: all var(--vb-transition);
    text-decoration: none;
    border: none;
    white-space: nowrap;
    line-height: 1.4;
}

.vb-btn:hover {
    text-decoration: none;
}

.vb-btn-primary {
    background: var(--vb-accent);
    color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.vb-btn-primary:hover {
    background: var(--vb-accent-hover);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.vb-btn-cta {
    background: var(--vb-cta);
    color: #fff;
    box-shadow: 0 2px 8px var(--vb-cta-glow);
}

.vb-btn-cta:hover {
    background: var(--vb-cta-hover);
    color: #fff;
    box-shadow: 0 4px 16px var(--vb-cta-glow);
    transform: translateY(-1px);
}

.vb-btn-outline {
    background: transparent;
    color: var(--vb-accent);
    border: 1px solid var(--vb-border-strong);
}

.vb-btn-outline:hover {
    background: var(--vb-accent-soft);
    color: var(--vb-accent);
    border-color: var(--vb-accent);
}

.vb-btn-danger {
    background: var(--vb-danger);
    color: #fff;
}

.vb-btn-danger:hover {
    background: #DC2626;
    color: #fff;
    transform: translateY(-1px);
}

.vb-btn-ghost {
    background: transparent;
    color: var(--vb-text-secondary);
    padding: 6px 10px;
}

.vb-btn-ghost:hover {
    background: var(--vb-bg-surface-hover);
    color: var(--vb-text-primary);
}

.vb-btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.vb-btn-lg {
    padding: 10px 20px;
    font-size: 15px;
}

/* ================================================================
   13. FORMS
   ================================================================ */
.vb-form-group {
    margin-bottom: 16px;
}

.vb-form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--vb-text-primary);
    margin-bottom: 6px;
}

.vb-form-hint {
    font-size: 12px;
    color: var(--vb-text-tertiary);
    margin-top: 4px;
}

.vb-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--vb-border-strong);
    border-radius: var(--vb-radius);
    background: var(--vb-bg-input);
    color: var(--vb-text-primary);
    font-size: 14px;
    font-family: var(--vb-font);
    transition: all var(--vb-transition);
    outline: none;
}

.vb-input::placeholder {
    color: var(--vb-text-tertiary);
}

.vb-input:focus {
    border-color: var(--vb-accent);
    box-shadow: 0 0 0 3px var(--vb-accent-glow);
}

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

.vb-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 36px;
}

/* Custom toggle switch */
.vb-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: 14px;
    color: var(--vb-text-primary);
}

.vb-switch input {
    display: none;
}

.vb-switch-track {
    width: 44px;
    height: 24px;
    background: var(--vb-border-strong);
    border-radius: var(--vb-radius-full);
    position: relative;
    transition: background var(--vb-transition);
    flex-shrink: 0;
}

.vb-switch-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--vb-transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.vb-switch input:checked+.vb-switch-track {
    background: var(--vb-accent);
}

.vb-switch input:checked+.vb-switch-track::after {
    transform: translateX(20px);
}

/* ================================================================
   14. DEVICE CARDS
   ================================================================ */
.vb-devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    padding: 20px;
}

.vb-device-card {
    background: var(--vb-bg-surface-hover);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius);
    padding: 18px;
    transition: all var(--vb-transition);
}

.vb-device-card:hover {
    border-color: var(--vb-border-strong);
    box-shadow: var(--vb-card-shadow);
}

.vb-device-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.vb-device-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--vb-accent-glow);
    color: var(--vb-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.vb-device-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--vb-text-primary);
}

.vb-device-os {
    font-size: 12px;
    color: var(--vb-text-tertiary);
}

.vb-device-meta {
    font-size: 12px;
    color: var(--vb-text-tertiary);
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vb-device-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.vb-device-footer {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--vb-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vb-hw-id {
    font-family: var(--vb-font-mono);
    font-size: 11px;
    color: var(--vb-text-tertiary);
}

.vb-device-bind-form {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--vb-border);
}

.vb-btn-success {
    background: var(--vb-success);
    color: #fff;
}

.vb-btn-success:hover {
    filter: brightness(1.1);
    color: #fff;
    transform: translateY(-1px);
}

/* ================================================================
   15. EMPTY STATE
   ================================================================ */
.vb-empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--vb-text-tertiary);
}

.vb-empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
    display: block;
}

.vb-empty-state p {
    font-size: 14px;
    margin: 0 0 16px;
}

/* ================================================================
   16. ALERTS / FLASH MESSAGES
   ================================================================ */
.vb-alert {
    padding: 12px 16px;
    border-radius: var(--vb-radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid;
    animation: fadeInUp 0.3s ease;
}

.vb-alert-success {
    background: var(--vb-success-soft);
    border-color: var(--vb-success);
    color: var(--vb-success);
}

.vb-alert-warning {
    background: var(--vb-warning-soft);
    border-color: var(--vb-warning);
    color: var(--vb-warning);
}

.vb-alert-danger {
    background: var(--vb-danger-soft);
    border-color: var(--vb-danger);
    color: var(--vb-danger);
}

.vb-alert-info {
    background: var(--vb-info-soft);
    border-color: var(--vb-info);
    color: var(--vb-info);
}

/* ================================================================
   17. MODAL (для удаления аккаунта и т.п.)
   ================================================================ */
.vb-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.vb-modal-backdrop.show {
    display: flex;
}

.vb-modal {
    background: var(--vb-bg-surface);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 480px;
    width: 90%;
    animation: fadeInUp 0.3s ease;
}

.vb-modal-header {
    padding: 20px 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vb-modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--vb-text-primary);
}

.vb-modal-close {
    background: none;
    border: none;
    color: var(--vb-text-tertiary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: color var(--vb-transition-fast);
}

.vb-modal-close:hover {
    color: var(--vb-text-primary);
}

.vb-modal-body {
    padding: 16px 24px;
}

.vb-modal-footer {
    padding: 0 24px 20px;
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ================================================================
   18. FOOTER
   ================================================================ */
.vb-footer {
    padding: 14px 32px;
    text-align: center;
    font-size: 12px;
    color: var(--vb-text-tertiary);
    border-top: 1px solid var(--vb-border);
    background: var(--vb-bg-surface);
    flex-shrink: 0;
}

.vb-footer a {
    color: var(--vb-text-tertiary);
    text-decoration: none;
    transition: color var(--vb-transition-fast);
}

.vb-footer a:hover {
    color: var(--vb-accent);
}

.vb-footer-sep {
    margin: 0 8px;
}

/* ================================================================
   19. ANIMATIONS
   ================================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* Staggered card entrance */
.vb-animate-in {
    animation: fadeInUp 0.35s ease both;
}

.vb-animate-in:nth-child(1) {
    animation-delay: 0s;
}

.vb-animate-in:nth-child(2) {
    animation-delay: 0.05s;
}

.vb-animate-in:nth-child(3) {
    animation-delay: 0.10s;
}

.vb-animate-in:nth-child(4) {
    animation-delay: 0.15s;
}

.vb-animate-in:nth-child(5) {
    animation-delay: 0.20s;
}

.vb-animate-in:nth-child(6) {
    animation-delay: 0.25s;
}

/* ================================================================
   20. UTILITIES
   ================================================================ */
.text-accent {
    color: var(--vb-accent) !important;
}

.text-success {
    color: var(--vb-success) !important;
}

.text-warning {
    color: var(--vb-warning) !important;
}

.text-danger {
    color: var(--vb-danger) !important;
}

.text-muted {
    color: var(--vb-text-tertiary) !important;
}

.text-secondary {
    color: var(--vb-text-secondary) !important;
}

.font-mono {
    font-family: var(--vb-font-mono);
}

.tabular-nums {
    font-variant-numeric: tabular-nums;
}

.gap-sm {
    gap: 8px;
}

.gap-md {
    gap: 16px;
}

/* Copy button animation */
.vb-copy-btn .bi-check-lg {
    display: none;
}

.vb-copy-btn.copied .bi-clipboard {
    display: none;
}

.vb-copy-btn.copied .bi-check-lg {
    display: inline;
    color: var(--vb-success);
}

/* Scrollbar */
.vb-content::-webkit-scrollbar {
    width: 6px;
}

.vb-content::-webkit-scrollbar-track {
    background: transparent;
}

.vb-content::-webkit-scrollbar-thumb {
    background: var(--vb-border-strong);
    border-radius: 3px;
}

.vb-content::-webkit-scrollbar-thumb:hover {
    background: var(--vb-text-tertiary);
}

/* ================================================================
   21. LOGIN PAGE
   ================================================================ */
.vb-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vb-bg-page);
    position: relative;
    overflow: hidden;
}

.vb-login-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.vb-login-bg::before,
.vb-login-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
}

.vb-login-bg::before {
    width: 500px;
    height: 500px;
    background: var(--vb-accent);
    top: -15%;
    left: -10%;
}

.vb-login-bg::after {
    width: 400px;
    height: 400px;
    background: var(--vb-cta);
    bottom: -10%;
    right: -5%;
}

.vb-login-card {
    position: relative;
    z-index: 1;
    background: var(--vb-bg-surface);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    text-align: center;
}

[data-vb-mode="dark"] .vb-login-card {
    background: rgba(24, 24, 27, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.vb-login-logo {
    font-size: 42px;
    margin-bottom: 8px;
    background: var(--vb-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vb-login-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.vb-login-subtitle {
    font-size: 14px;
    color: var(--vb-text-secondary);
    margin-bottom: 28px;
}

.vb-yandex-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--vb-radius);
    background: #FC3F1D;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--vb-font);
    cursor: pointer;
    transition: all var(--vb-transition);
    box-shadow: 0 2px 8px rgba(252, 63, 29, 0.3);
}

.vb-yandex-btn:hover {
    background: #E53509;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(252, 63, 29, 0.4);
}

.vb-login-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    color: var(--vb-text-tertiary);
    font-size: 12px;
}

.vb-login-divider::before,
.vb-login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--vb-border);
}

.vb-login-footer {
    margin-top: 24px;
    font-size: 12px;
    color: var(--vb-text-tertiary);
}

.vb-login-footer a {
    color: var(--vb-text-tertiary);
    text-decoration: underline;
}

.vb-login-footer a:hover {
    color: var(--vb-accent);
}

/* ================================================================
   22. ACCORDION (для FAQ / истории обращений)
   ================================================================ */
.vb-accordion-item {
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius-sm);
    margin-bottom: 8px;
    overflow: hidden;
}

.vb-accordion-btn {
    width: 100%;
    padding: 14px 16px;
    background: var(--vb-bg-surface);
    border: none;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--vb-font);
    color: var(--vb-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--vb-transition-fast);
}

.vb-accordion-btn:hover {
    background: var(--vb-bg-surface-hover);
}

.vb-accordion-btn i {
    transition: transform var(--vb-transition);
    color: var(--vb-text-tertiary);
}

.vb-accordion-btn[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.vb-accordion-body {
    padding: 0 16px 14px;
    font-size: 14px;
    color: var(--vb-text-secondary);
}

/* ================================================================
   23. PAGINATION
   ================================================================ */
.vb-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
    padding: 16px 0;
}

.vb-page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--vb-radius-sm);
    border: 1px solid var(--vb-border);
    background: var(--vb-bg-surface);
    color: var(--vb-text-secondary);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--vb-transition-fast);
}

.vb-page-link:hover {
    border-color: var(--vb-accent);
    color: var(--vb-accent);
    background: var(--vb-accent-soft);
}

.vb-page-link.active {
    background: var(--vb-accent);
    color: #fff;
    border-color: var(--vb-accent);
}

.vb-page-link.disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ================================================================
   24. DANGER ZONE (настройки — удаление аккаунта)
   ================================================================ */
.vb-danger-zone {
    border: 1px solid var(--vb-danger);
    border-radius: var(--vb-radius);
    padding: 20px;
    background: var(--vb-danger-soft);
}

.vb-danger-zone-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--vb-danger);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.vb-danger-zone p {
    font-size: 13px;
    color: var(--vb-text-secondary);
    margin-bottom: 12px;
}

/* ================================================================
   25. REFERRAL COPY BOX
   ================================================================ */
.vb-referral-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--vb-bg-surface-hover);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius);
    padding: 12px 16px;
}

.vb-referral-box input {
    flex: 1;
    background: none;
    border: none;
    font-family: var(--vb-font-mono);
    font-size: 14px;
    color: var(--vb-accent);
    outline: none;
    min-width: 0;
}

/* ================================================================
   26. CHART CONTAINER
   ================================================================ */
.vb-chart-container {
    position: relative;
    padding: 20px;
}

.vb-chart-container canvas {
    max-height: 320px;
}

/* ================================================================
   27. RESPONSIVE (< 992px : sidebar collapses; < 768px : single col)
   ================================================================ */
@media (max-width: 991.98px) {
    .vb-sidebar {
        position: fixed;
        top: 56px;
        left: 0;
        bottom: 0;
        z-index: 1040;
        transform: translateX(-100%);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
    }

    .vb-sidebar.open {
        transform: translateX(0);
    }

    .vb-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        top: 56px;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1039;
    }

    .vb-sidebar-overlay.show {
        display: block;
    }

    .vb-menu-btn {
        display: flex;
    }
}

@media (max-width: 767.98px) {
    .vb-content {
        padding: 20px 16px;
    }

    .vb-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .vb-stat-value {
        font-size: 22px;
    }

    .vb-stat-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
        margin-bottom: 10px;
    }

    .vb-devices-grid {
        grid-template-columns: 1fr;
        padding: 12px;
    }

    .vb-page-title {
        font-size: 20px;
    }

    .vb-table {
        font-size: 13px;
    }

    .vb-table thead th,
    .vb-table tbody td {
        padding: 10px 12px;
    }

    .vb-card-header {
        padding: 12px 16px;
    }

    .vb-user-badge {
        display: none;
    }

    .vb-theme-controls {
        margin-right: 4px;
    }

    .vb-login-card {
        margin: 16px;
        padding: 28px 24px;
    }
}

@media (max-width: 575.98px) {
    .vb-stats-grid {
        grid-template-columns: 1fr;
    }

    .vb-navbar {
        padding: 0 12px;
    }

    .vb-theme-separator {
        display: none;
    }
}

/* ═══ 28. Cookie Consent Banner ═══ */
.vb-cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--vb-bg-surface);
    border-top: 1px solid var(--vb-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    animation: vbSlideUp 0.4s ease-out;
}

.vb-cookie-text {
    flex: 1;
    font-size: 13px;
    color: var(--vb-text-muted);
    line-height: 1.5;
}

.vb-cookie-text i {
    color: var(--vb-accent);
    margin-right: 6px;
}

.vb-cookie-text a {
    color: var(--vb-accent);
    text-decoration: underline;
}

.vb-cookie-banner .vb-btn {
    white-space: nowrap;
    flex-shrink: 0;
}

@keyframes vbSlideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 575.98px) {
    .vb-cookie-banner {
        flex-direction: column;
        text-align: center;
        padding: 14px 16px;
        gap: 12px;
    }
}

/* ================================================================
   29. ERROR REPORT COLLAPSIBLE (feedback.html)
   ================================================================ */
.er-collapsible {
    list-style: none;
}

.er-summary {
    cursor: pointer;
    user-select: none;
    list-style: none;
}

.er-summary::-webkit-details-marker,
.er-summary::marker {
    display: none;
    content: '';
}

.er-chevron {
    font-size: 14px;
    color: var(--vb-text-tertiary);
    transition: transform var(--vb-transition);
}

.er-collapsible[open]>.er-summary .er-chevron {
    transform: rotate(180deg);
}