/* ============================================
   MAIN CSS - Core Styles
   ============================================ */

/* ---------- Variables ---------- */
:root {
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary-950: #172554;
    
    --success: #10b981;
    --success-light: #d1fae5;
    --success-lighter: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fed7aa;
    --warning-lighter: #fffbeb;
    --error: #ef4444;
    --error-light: #fecaca;
    --error-lighter: #fef2f2;
    --info: #06b6d4;
    --info-light: #a5f3fc;
    --info-lighter: #ecfeff;
    
    --surface-0: #ffffff;
    --surface-50: #f8fafc;
    --surface-100: #f1f5f9;
    --surface-200: #e2e8f0;
    --surface-300: #cbd5e1;
    --surface-400: #94a3b8;
    --surface-500: #64748b;
    --surface-600: #475569;
    --surface-700: #334155;
    --surface-800: #1e293b;
    --surface-900: #0f172a;
    --surface-950: #020617;
    
    --text-primary: #111827;
    --text-secondary: #1f2937;
    --text-tertiary: #4b5563;
    --text-quaternary: #6b7280;
    --text-inverse: #ffffff;
    
    --border-primary: #e5e7eb;
    --border-secondary: #d1d5db;
    --border-tertiary: #9ca3af;
    
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-2xs: 0.75rem;
    
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    --space-0: 0;
    --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;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    --radius-sm: 0.125rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --card-hover-shadow: 0 18px 45px rgba(59, 130, 246, 0.14);
    --focus-ring: rgba(59, 130, 246, 0.18);
    --surface-frost: rgba(59, 130, 246, 0.06);
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    --btn-padding-sm: var(--space-2) var(--space-3);
    --btn-padding-md: var(--space-3) var(--space-4);
    --btn-padding-lg: var(--space-4) var(--space-6);
    --btn-radius: var(--radius-lg);
    
    --card-padding: var(--space-6);
    --card-radius: var(--radius-xl);
    --card-shadow: var(--shadow-sm);
    
    --nav-height: 64px;
}

/* Dark Theme */
body.dark-theme,
[data-theme="dark"] {
    --surface-0: #0f172a;
    --surface-50: #1e293b;
    --surface-100: #334155;
    --surface-200: #475569;
    --surface-300: #64748b;
    --surface-400: #94a3b8;
    --surface-500: #cbd5e1;
    --surface-600: #e2e8f0;
    --surface-700: #f1f5f9;
    --surface-800: #f8fafc;
    --surface-900: #ffffff;
    
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-tertiary: #cbd5e1;
    --text-quaternary: #94a3b8;
    --text-inverse: #0f172a;
    
    --border-primary: #334155;
    --border-secondary: #475569;
    --border-tertiary: #64748b;
    
    --primary-50: #1e3a8a;
    --primary-100: #1e40af;
    --primary-200: #1d4ed8;
    --primary-300: #2563eb;
    --primary-400: #3b82f6;
    --primary-500: #60a5fa;
    --primary-600: #93c5fd;
    --primary-700: #bfdbfe;
    --primary-800: #dbeafe;
    --primary-900: #eff6ff;
    
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--surface-0);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }
p { margin-bottom: var(--space-4); line-height: var(--leading-relaxed); }
a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--primary-700); }

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}
.main {
    min-height: calc(100vh - var(--nav-height));
    padding-top: var(--nav-height);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background-color: var(--surface-0);
    border-bottom: 1px solid var(--border-primary);
    z-index: var(--z-sticky);
    backdrop-filter: blur(8px);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    font-weight: var(--font-semibold);
    font-size: var(--text-lg);
}
.site-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}
.site-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
}
.nav-link:hover {
    background-color: var(--surface-100);
    color: var(--text-primary);
}
.nav-link.active {
    color: var(--primary-600);
    background-color: var(--primary-50);
}
/* Кнопка "Войти" - не менять цвет на белый при наведении */
.nav-link.btn-login:hover {
    color: var(--text-primary);
    background-color: var(--surface-100);
}
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 var(--space-1);
    background-color: var(--error);
    color: var(--text-inverse);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}
.nav-dropdown {
    position: relative;
}
.nav-user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}
.nav-user-menu:hover {
    background-color: var(--surface-100);
}
.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-primary);
}
.nav-dropdown-arrow {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}
.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--surface-0);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
}
.nav-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}
.dropdown-item:hover {
    background-color: var(--surface-100);
    color: var(--text-primary);
}
.dropdown-divider {
    height: 1px;
    background-color: var(--border-primary);
    margin: var(--space-1) 0;
}
.dropdown-item.logout-link {
    color: var(--error);
}
.dropdown-item.logout-link:hover {
    background-color: var(--error-light);
    color: var(--error);
}

/* Кнопка мобильного меню (аватарка) - БАЗОВЫЕ СТИЛИ (для десктопа скрыта) */
.mobile-menu-btn {
    display: none; /* Скрыта на десктопе, показывается только на мобильных */
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
    overflow: hidden;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}
.mobile-menu-btn:hover {
    background-color: var(--surface-100);
}
.mobile-menu-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-primary);
    display: block;
}
.mobile-menu-burger-icon {
    font-size: 24px;
    color: var(--text-primary);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Header */
@media (max-width: 768px) {
    .header-container { padding: 0 var(--space-3); }
    .site-title { display: none; }
    .nav-link span { display: none; }
    .nav-link { padding: var(--space-2); font-size: 20px; }
    .nav-avatar { width: 28px; height: 28px; }
    
    /* Скрываем обычное меню на мобильных */
    .header-nav { display: none; }
    
    /* Показываем кнопку на мобильных */
    .mobile-menu-btn { display: flex; }
}
@media (max-width: 480px) {
    .nav-link { padding: var(--space-1) var(--space-2); font-size: 18px; }
    .site-logo { width: 28px; height: 28px; }
}

/* Мобильное меню */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}
.mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
}
.mobile-menu-content {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    max-width: 85vw;
    height: 100%;
    background-color: var(--surface-0);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    z-index: 99999;
}
.mobile-menu-overlay.show .mobile-menu-content {
    transform: translateX(0);
}
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-primary);
    background: var(--surface-50);
}
.mobile-menu-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}
.mobile-menu-avatar-large {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-primary);
}
.mobile-menu-header .site-title {
    display: block;
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}
.mobile-menu-close {
    background: none;
    border: none;
    font-size: var(--text-3xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-1);
    line-height: 1;
    transition: color var(--transition-fast);
}
.mobile-menu-close:hover {
    color: var(--text-primary);
}
.mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: var(--space-2) 0;
}
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    border-radius: 0;
}
.mobile-nav-link:hover {
    background-color: var(--surface-100);
    color: var(--text-primary);
}
.mobile-nav-link.logout-link {
    color: var(--error);
    margin-top: var(--space-2);
    border-top: 1px solid var(--border-primary);
}
.mobile-nav-link.logout-link:hover {
    background-color: var(--error-light);
    color: var(--error);
}

/* Custom Button Styles (уникальные) */
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-success,
.btn-warning,
.btn-outline,
.btn-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: var(--text-inverse);
}
.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-secondary {
    background: var(--surface-100);
    color: var(--text-primary);
    border-color: var(--border-primary);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--surface-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    color: white;
}
.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
}
.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    color: white;
}
.btn-warning:hover:not(:disabled) {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-600);
}
.btn-outline:hover:not(:disabled) {
    background: var(--primary-50);
    transform: translateY(-2px);
}
.btn-link {
    background: transparent;
    color: var(--primary-600);
    border-color: transparent;
}
.btn-link:hover:not(:disabled) {
    background: transparent;
    color: var(--primary-700);
    text-decoration: underline;
    transform: none;
    box-shadow: none;
}
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
}
.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
}
.btn-block {
    display: flex;
}
.btn-icon {
    padding: var(--space-2);
    border-radius: var(--radius-full);
}
.btn-icon.btn-sm { padding: var(--space-1); }
.btn-icon.btn-lg { padding: var(--space-3); }
.btn-group {
    display: inline-flex;
    gap: var(--space-1);
}
.btn-group .btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.btn-group .btn:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}
.btn-group .btn:not(:first-child):not(:last-child) { border-radius: 0; }
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
}
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-danger:disabled,
.btn-success:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-danger:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}
.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: var(--border-primary);
}
.btn-ghost:hover:not(:disabled) {
    background-color: var(--surface-100);
}

/* Poll Widget Styles (уникальные) */
.poll-widget {
    background: var(--surface-100);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    margin: var(--space-3) 0;
    border: 1px solid var(--border-primary);
    transition: all var(--transition-fast);
}
.poll-widget:hover { border-color: var(--border-secondary); }
.poll-widget-question {
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-primary);
}
.poll-widget-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.poll-widget-option {
    position: relative;
    padding: var(--space-3);
    background: var(--surface-0);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}
.poll-widget-option:hover {
    border-color: var(--primary-300);
    background: var(--surface-50);
}
.poll-widget-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}
.poll-widget-label:hover {
    background: var(--surface-100);
}
.poll-widget-label input {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-500);
    flex-shrink: 0;
}
.poll-widget-text { flex: 1; }
.poll-widget-results {
    position: relative;
    margin-top: var(--space-2);
    margin-left: calc(16px + var(--space-2));
    height: 32px;
    background: var(--surface-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.hidden {
    display: none;
}
.poll-widget-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    transition: width 0.3s ease;
    border-radius: var(--radius-md);
}
.poll-widget-stats {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-2);
    pointer-events: none;
}
.poll-widget-percentage {
    font-weight: var(--font-semibold);
    font-size: var(--text-xs);
    color: var(--text-primary);
}
.poll-widget-votes {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}
.poll-widget-checked {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    background: var(--success);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    z-index: 3;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}
.poll-widget-checked::before {
    content: "✓";
    font-weight: var(--font-bold);
}
.poll-widget-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-3);
    padding-top: var(--space-2);
    border-top: 1px solid var(--border-primary);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}
.poll-widget-total {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}
.poll-widget-vote-btn,
.poll-widget-cancel-btn {
    padding: var(--space-1) var(--space-3);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.poll-widget-vote-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.poll-widget-cancel-btn {
    background: linear-gradient(135deg, var(--surface-300) 0%, var(--surface-400) 100%);
    color: var(--text-primary);
}
.poll-widget-cancel-btn:hover {
    background: linear-gradient(135deg, var(--error-light) 0%, var(--error) 100%);
    color: white;
    transform: translateY(-1px);
}
.poll-widget-login {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}
.poll-widget-login a {
    color: var(--primary-500);
    text-decoration: none;
}
.poll-widget-login a:hover { text-decoration: underline; }
.poll-widget-option input:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Guest Notice */
.guest-notice {
    background: linear-gradient(135deg, var(--surface-0) 0%, var(--surface-50) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    margin: var(--space-4) 0;
}
.guest-notice-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
    opacity: 0.6;
}
.guest-notice p {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}
.guest-notice .guest-notice-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .guest-notice { padding: var(--space-6); }
    .guest-notice-icon { font-size: 48px; }
    .guest-notice .guest-notice-actions { flex-direction: column; }
    .guest-notice .guest-notice-actions .btn { width: 100%; justify-content: center; }
}

/* Forms */
.form-group { margin-bottom: var(--space-4); }
.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    color: var(--text-primary);
}
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    background-color: var(--surface-0);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-quaternary); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-error { color: var(--error); font-size: var(--text-xs); margin-top: var(--space-1); }
.form-help { color: var(--text-tertiary); font-size: var(--text-xs); margin-top: var(--space-1); }
.form-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-primary);
}

/* Cards */
.card {
    background-color: var(--surface-0);
    border: 1px solid var(--border-primary);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: var(--card-shadow);
    transition: all var(--transition-normal);
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--card-hover-shadow);
    transform: translateY(-2px);
    border-color: var(--primary-200);
}
.card-header { margin-bottom: var(--space-4); border-bottom: 1px solid var(--border-primary); padding-bottom: var(--space-3); }
.card-title { font-size: var(--text-xl); font-weight: var(--font-semibold); margin-bottom: var(--space-1); }
.card-subtitle { font-size: var(--text-sm); color: var(--text-tertiary); }

/* Alerts */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    display: flex;
    gap: var(--space-3);
}
.alert-success { background-color: var(--success-lighter); border: 1px solid var(--success); color: var(--success); }
.alert-warning { background-color: var(--warning-lighter); border: 1px solid var(--warning); color: var(--warning); }
.alert-error { background-color: var(--error-lighter); border: 1px solid var(--error); color: var(--error); }
.alert-info { background-color: var(--info-lighter); border: 1px solid var(--info); color: var(--info); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}
.badge-primary { background-color: var(--primary-100); color: var(--primary-700); }
.badge-success { background-color: var(--success-light); color: var(--success); }
.badge-warning { background-color: var(--warning-light); color: var(--warning); }
.badge-error { background-color: var(--error-light); color: var(--error); }

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}
@media (prefers-color-scheme: dark) {
    .modal-overlay {
        background-color: rgba(0, 0, 0, 0.7);
    }
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal-content {
    background-color: var(--surface-0);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-6);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: all var(--transition-normal);
}
.modal-overlay.show .modal-content { transform: translateY(0); }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-primary);
    padding-bottom: var(--space-3);
}
.modal-title { font-size: var(--text-xl); font-weight: var(--font-semibold); }
.modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--text-tertiary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}
.modal-close:hover { background-color: var(--surface-100); }
.modal-footer {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-primary);
}
#delete-modal .modal-content { max-width: 400px; text-align: center; }
#delete-modal .modal-header { justify-content: center; border-bottom: none; }
#delete-modal .modal-footer { justify-content: center; }
#delete-modal { z-index: 100000; }

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface-0);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.table th {
    background-color: var(--surface-50);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: var(--font-semibold);
    border-bottom: 1px solid var(--border-primary);
}
.table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-primary);
    color: var(--text-secondary);
}
.table tr:hover { background-color: var(--surface-50); }

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-12);
    color: var(--text-secondary);
}
.empty-icon { font-size: var(--text-5xl); margin-bottom: var(--space-4); opacity: 0.5; }
.empty-state p { margin: 0; }

/* Notifications Container (тост-уведомления) */
.notification-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 1080;
    max-width: 400px;
}
.notification {
    background-color: var(--surface-0);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-normal);
}
.notification-enter { transform: translateX(0); opacity: 1; }
.notification-exit { transform: translateX(100%); opacity: 0; }
.notification-icon { font-size: var(--text-xl); flex-shrink: 0; }
.notification-text { flex: 1; font-size: var(--text-sm); }
.notification-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--text-tertiary);
    cursor: pointer;
}
.notification-success { border-left: 4px solid var(--success); }
.notification-error { border-left: 4px solid var(--error); }
.notification-warning { border-left: 4px solid var(--warning); }

/* Dropdown уведомлений (список) */
.notification-dropdown {
    position: fixed;
    top: var(--nav-height);
    right: var(--space-4);
    width: 380px;
    max-height: 480px;
    background-color: var(--surface-0);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1050; /* выше шапки (1020) */
}
.notification-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-primary);
    background: var(--surface-0);
}
.notification-list {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-2);
}
.notification-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}
.notification-item:hover {
    background-color: var(--surface-50);
}
.notification-item.unread {
    background-color: var(--primary-50);
}
.notification-time {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}
.notification-empty {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-tertiary);
}

/* Кнопка уведомлений */
.nav-notification {
    position: relative;
}
.nav-notification-link {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    position: relative;
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
    color: var(--text-secondary);
}
.nav-notification-link:hover {
    background-color: var(--surface-100);
    color: var(--text-primary);
}
.nav-notification-link .nav-badge {
    position: absolute;
    top: -4px;
    right: -4px;
}

/* ============================================
   NOTIFICATIONS DROPDOWN - полная стилизация
   ============================================ */

/* Контейнер дропдауна */
.notification-dropdown {
    position: fixed;
    top: calc(var(--nav-height) + 10px);
    right: var(--space-4);
    width: 380px;
    max-width: calc(100vw - var(--space-6));
    background: var(--surface-0);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1050;
}

.notification-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Заголовок */
.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    background: var(--surface-50);
    border-bottom: 1px solid var(--border-primary);
}

.notification-header h3 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin: 0;
    color: var(--text-primary);
}

/* Кнопка "Прочитать все" */
.btn-mark-all-read {
    background: var(--surface-200);
    border: none;
    color: var(--text-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-mark-all-read:hover {
    background: var(--surface-300);
    transform: translateY(-1px);
}

.btn-mark-all-read:active {
    transform: translateY(0);
}

/* Список уведомлений */
.notification-list {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-2);
}

/* Карточка уведомления */
.notification-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: background var(--transition-fast);
    margin-bottom: var(--space-2);
}

.notification-item:last-child {
    margin-bottom: 0;
}

/* Непрочитанное уведомление */
.notification-item.unread {
    background: var(--primary-50);
    position: relative;
}

/* Для тёмной темы — немного другой оттенок */
body.dark-theme .notification-item.unread,
[data-theme="dark"] .notification-item.unread {
    background: rgba(59, 130, 246, 0.15);
}

/* Hover эффект */
.notification-item:hover {
    background: var(--surface-100);
}

/* Аватар */
.notification-avatar {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
}

.notification-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--border-primary);
    transition: border-color var(--transition-fast);
}

.notification-item:hover .notification-avatar img {
    border-color: var(--primary-500);
}

/* Текстовый блок */
.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.notification-item.unread .notification-title {
    font-weight: var(--font-bold);
    color: var(--primary-700);
}

body.dark-theme .notification-item.unread .notification-title,
[data-theme="dark"] .notification-item.unread .notification-title {
    color: var(--primary-400);
}

.notification-message {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: 4px;
    line-height: var(--leading-normal);
    word-wrap: break-word;
}

.notification-time {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Индикатор непрочитанного (точка) */
.notification-item.unread::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--primary-500);
    border-radius: 50%;
}

/* Пустое состояние */
.notification-empty {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* Стилизация скроллбара */
.notification-list::-webkit-scrollbar {
    width: 6px;
}

.notification-list::-webkit-scrollbar-track {
    background: var(--surface-100);
    border-radius: 10px;
}

.notification-list::-webkit-scrollbar-thumb {
    background: var(--surface-300);
    border-radius: 10px;
}

.notification-list::-webkit-scrollbar-thumb:hover {
    background: var(--surface-400);
}

/* Адаптив для маленьких экранов */
@media (max-width: 480px) {
    .notification-dropdown {
        width: calc(100vw - var(--space-4));
        right: var(--space-2);
        left: var(--space-2);
        top: calc(var(--nav-height) + 5px);
    }

    .notification-avatar {
        width: 36px;
        height: 36px;
    }

    .notification-item {
        padding: var(--space-3);
    }
}

/* Fullscreen Image Viewer */
.fullscreen-image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}
.fullscreen-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}
@media (prefers-color-scheme: dark) {
    .fullscreen-image-overlay {
        background: rgba(0, 0, 0, 0.95);
    }
}
.fullscreen-image-container {
    position: relative;
    z-index: 10001;
    width: 90%;
    height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fullscreen-image-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10002;
}
@media (prefers-color-scheme: dark) {
    .fullscreen-image-close {
        background: rgba(255, 255, 255, 0.2);
        color: white;
    }
}
.fullscreen-image-close:hover {
    background: rgba(59, 130, 246, 0.4);
    transform: scale(1.1);
}
@media (prefers-color-scheme: dark) {
    .fullscreen-image-close:hover {
        background: rgba(255, 255, 255, 0.3);
    }
}
.fullscreen-image-navigation {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10002;
    pointer-events: none;
}
.fullscreen-image-prev,
.fullscreen-image-next {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    pointer-events: auto;
}
@media (prefers-color-scheme: dark) {
    .fullscreen-image-prev,
    .fullscreen-image-next {
        background: rgba(255, 255, 255, 0.2);
        color: white;
    }
}
.fullscreen-image-prev:hover,
.fullscreen-image-next:hover {
    background: rgba(59, 130, 246, 0.4);
    transform: scale(1.1);
}
@media (prefers-color-scheme: dark) {
    .fullscreen-image-prev:hover,
    .fullscreen-image-next:hover {
        background: rgba(255, 255, 255, 0.3);
    }
}
.fullscreen-image-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
#fullscreen-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.fullscreen-image-info {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    white-space: nowrap;
    z-index: 10002;
}
@media (max-width: 768px) {
    .fullscreen-image-prev,
    .fullscreen-image-next {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    .fullscreen-image-close {
        width: 40px;
        height: 40px;
        font-size: 24px;
        top: 10px;
        right: 10px;
    }
    .fullscreen-image-info {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.d-flex { display: flex; }
.d-none { display: none; }
.d-block { display: block; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--surface-100); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 0 var(--space-3); }
    .main-container { padding: var(--space-4); }
    .card { padding: var(--space-4); }
    .notification-dropdown { width: calc(100vw - var(--space-6)); left: var(--space-3); right: var(--space-3); }
}
@media (max-width: 480px) {
    .container { padding: 0 var(--space-2); }
    .main-container { padding: var(--space-3); }
    .card { padding: var(--space-3); }
}