/* CSS Custom Properties для темизации */

:root {
  /* Светлая тема (обновленная) */
  --background: #fafafa;
  --background-secondary: #f5f5f7;
  --background-tertiary: #e8e8ed;
  --text: #1a1a1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --border: #d2d2d7;
  --border-light: #e8e8ed;
  --primary: #8b5cf6;
  --primary-hover: #7c3aed;
  --secondary: #6366f1;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --card-bg: #ffffff;
  --card-border: #d2d2d7;
  --input-bg: #ffffff;
  --input-border: #d2d2d7;
  --input-focus-border: #8b5cf6;
  --dropdown-bg: #ffffff;
  --dropdown-border: #d2d2d7;
  --modal-bg: #ffffff;
  --modal-backdrop: rgba(26, 26, 31, 0.5);
  --navbar-bg: #ffffff;
  --sidebar-bg: #f5f5f7;
  --shadow: rgba(26, 26, 31, 0.1);
  --shadow-lg: rgba(26, 26, 31, 0.12);
}

[data-theme="dark"] {
  /* Темная тема - Комфортная ночная палитра */
  --background: #1a1a23;
  --background-secondary: #22222f;
  --background-tertiary: #2a2a3a;
  --text: #e8e8f0;
  --text-secondary: #b8b8c8;
  --text-muted: #9090a0;
  --border: #3a3a4a;
  --border-light: #32323f;
  --primary: #7c3aed;
  --primary-hover: #8b5cf6;
  --secondary: #64748b;
  --success: #22c55e;
  --danger: #f87171;
  --warning: #fbbf24;
  --info: #38bdf8;
  --card-bg: #22222f;
  --card-border: #3a3a4a;
  --input-bg: #1a1a23;
  --input-border: #3a3a4a;
  --input-focus-border: #7c3aed;
  --dropdown-bg: #22222f;
  --dropdown-border: #3a3a4a;
  --modal-bg: #22222f;
  --modal-backdrop: rgba(26, 26, 35, 0.75);
  --navbar-bg: #22222f;
  --sidebar-bg: #1a1a23;
  --shadow: rgba(0, 0, 0, 0.2);
  --shadow-lg: rgba(0, 0, 0, 0.3);
  --accent-glow: rgba(124, 58, 237, 0.1);
  --warm-accent: #fbbf24;
  --cool-accent: #38bdf8;
}

/* Применение темы к основным элементам */
body {
  background-color: var(--background);
  color: var(--text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Bootstrap переопределения для темной темы */
.card {
  background-color: var(--card-bg);
  border-color: var(--card-border);
  color: var(--text);
}

.modal-content {
  background-color: var(--modal-bg);
  border-color: var(--card-border);
  color: var(--text);
}

.modal-header {
  border-bottom-color: var(--border);
}

.modal-footer {
  border-top-color: var(--border);
}

.form-control {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text);
}

.form-control:focus {
  background-color: var(--input-bg);
  border-color: var(--input-focus-border);
  color: var(--text);
  box-shadow: 0 0 0 0.25rem rgba(139, 92, 246, 0.25);
}

[data-theme="dark"] .form-control:focus {
  box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.25);
}

.form-select {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text);
}

.form-select:focus {
  background-color: var(--input-bg);
  border-color: var(--input-focus-border);
  color: var(--text);
}

.btn-outline-secondary {
  color: var(--text);
  border-color: var(--border);
}

.btn-outline-secondary:hover {
  background-color: var(--background-secondary);
  border-color: var(--border);
  color: var(--text);
}

.dropdown-menu {
  background-color: var(--dropdown-bg);
  border-color: var(--dropdown-border);
}

.dropdown-item {
  color: var(--text);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--background-secondary);
  color: var(--text);
}

.nav-tabs {
  border-bottom-color: var(--border);
}

.nav-tabs .nav-link {
  color: var(--text-secondary);
  border-color: transparent;
}

.nav-tabs .nav-link:hover {
  border-color: var(--border-light) var(--border-light) var(--border);
  color: var(--text);
}

.nav-tabs .nav-link.active {
  color: var(--text);
  background-color: var(--background);
  border-color: var(--border) var(--border) var(--background);
}

.list-group-item {
  background-color: var(--card-bg);
  border-color: var(--border);
  color: var(--text);
}

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

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

.border {
  border-color: var(--border) !important;
}

.border-top {
  border-top-color: var(--border) !important;
}

.border-bottom {
  border-bottom-color: var(--border) !important;
}

.border-start {
  border-left-color: var(--border) !important;
}

.border-end {
  border-right-color: var(--border) !important;
}

/* Специальные стили для темной темы */
[data-theme="dark"] .bg-light {
  background-color: var(--background-secondary) !important;
}

[data-theme="dark"] .bg-white {
  background-color: var(--card-bg) !important;
}

[data-theme="dark"] .text-dark {
  color: var(--text) !important;
}

/* Специальные стили для светлой темы */
[data-theme="light"] .btn-primary,
:root .btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

[data-theme="light"] .btn-primary:hover,
:root .btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

[data-theme="light"] .btn-outline-primary,
:root .btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

[data-theme="light"] .btn-outline-primary:hover,
:root .btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

[data-theme="light"] .card:hover,
:root .card:hover {
  box-shadow: 0 0.5rem 1rem rgba(139, 92, 246, 0.08);
  transition: box-shadow 0.3s ease;
}

[data-theme="light"] .nav-tabs .nav-link:hover,
:root .nav-tabs .nav-link:hover {
  color: var(--primary);
}

[data-theme="light"] .nav-tabs .nav-link.active,
:root .nav-tabs .nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Дополнительные стили для фиолетовой темы */
[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, var(--primary), #9333ea);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #a855f7);
  border-color: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

[data-theme="dark"] .btn-secondary {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: #ffffff;
}

[data-theme="dark"] .btn-secondary:hover {
  background-color: #475569;
  border-color: #475569;
  color: #ffffff;
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.05);
}

[data-theme="dark"] .btn-outline-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

[data-theme="dark"] .navbar {
  background-color: var(--navbar-bg);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

[data-theme="dark"] .card {
  background: linear-gradient(145deg, var(--card-bg), #2a2a3a);
  border: 1px solid var(--card-border);
  border-radius: 12px;
}

[data-theme="dark"] .card:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .modal-content {
  background: var(--modal-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text);
  border-radius: 8px;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background-color: var(--input-bg);
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.25);
  outline: none;
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(124, 58, 237, 0.05));
  color: var(--text);
  border-radius: 6px;
}

[data-theme="dark"] .nav-tabs .nav-link:hover {
  color: var(--primary);
  border-bottom: 2px solid transparent;
}

[data-theme="dark"] .nav-tabs .nav-link.active {
  color: var(--primary);
  background: rgba(124, 58, 237, 0.1);
  border-bottom: 2px solid var(--primary);
  border-radius: 8px 8px 0 0;
}

[data-theme="dark"] .list-group-item:hover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(124, 58, 237, 0.02));
  border-radius: 8px;
}

/* Анимация переключения темы */
* {
  transition: 
    background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Кастомные утилитарные классы для темизации */
.theme-bg {
  background-color: var(--background);
}

.theme-bg-secondary {
  background-color: var(--background-secondary);
}

.theme-bg-tertiary {
  background-color: var(--background-tertiary);
}

.theme-text {
  color: var(--text);
}

.theme-text-secondary {
  color: var(--text-secondary);
}

.theme-text-muted {
  color: var(--text-muted);
}

.theme-border {
  border-color: var(--border);
}

.theme-shadow {
  box-shadow: 0 0.125rem 0.25rem var(--shadow);
}

.theme-shadow-lg {
  box-shadow: 0 1rem 3rem var(--shadow-lg);
}

/* Комфортные градиенты для темной темы */
[data-theme="dark"] .gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #9333ea 100%);
}

[data-theme="dark"] .gradient-card {
  background: linear-gradient(145deg, var(--card-bg) 0%, var(--background-tertiary) 100%);
  border: 1px solid rgba(124, 58, 237, 0.1);
}

/* Улучшенные тени для комфортного восприятия */
[data-theme="dark"] .enhanced-shadow {
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .enhanced-shadow-lg {
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.15),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Специальные классы для ночного режима */
[data-theme="dark"] .night-comfort {
  filter: brightness(0.95) contrast(1.05);
}

[data-theme="dark"] .text-emphasis {
  color: var(--text);
  font-weight: 500;
}

[data-theme="dark"] .soft-glow {
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.1);
}

/* Адаптивная яркость для различных элементов */
[data-theme="dark"] .bright-element {
  filter: brightness(1.1);
}

[data-theme="dark"] .dim-element {
  filter: brightness(0.9);
}

/* Гладкие переходы для всех элементов */
[data-theme="dark"] * {
  transition: 
    background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Комфортная прокрутка для темной темы */
[data-theme="dark"] ::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--background-secondary);
  border-radius: 6px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary), #9333ea);
  border-radius: 6px;
  border: 2px solid var(--background-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-hover), #a855f7);
}

/* Мягкие стили для фокуса */
[data-theme="dark"] :focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Приятные ссылки */
[data-theme="dark"] a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

[data-theme="dark"] a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Улучшенная типография для ночного чтения */
[data-theme="dark"] body {
  line-height: 1.6;
  letter-spacing: 0.01em;
}

[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4, 
[data-theme="dark"] h5, 
[data-theme="dark"] h6 {
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
}

/* Мягкие акценты для важных элементов */
[data-theme="dark"] .alert {
  border: none;
  border-radius: 12px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

[data-theme="dark"] .alert-info {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(56, 189, 248, 0.05));
  border-left: 4px solid var(--cool-accent);
  color: var(--text);
}

[data-theme="dark"] .alert-warning {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(251, 191, 36, 0.05));
  border-left: 4px solid var(--warm-accent);
  color: var(--text);
}

[data-theme="dark"] .alert-danger {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.1), rgba(248, 113, 113, 0.05));
  border-left: 4px solid var(--danger);
  color: var(--text);
}

[data-theme="dark"] .alert-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
  border-left: 4px solid var(--success);
  color: var(--text);
}

/* Комфортные тени и подсветки */
[data-theme="dark"] .btn:focus,
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}