/* === Цветовая палитра === */
:root {
  /* Основные цвета */
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1419;
  --bg-tertiary: #151b24;
  
  /* Карточки и поверхности */
  --surface: rgba(20, 25, 35, 0.6);
  --surface-hover: rgba(25, 30, 40, 0.8);
  --surface-elevated: rgba(30, 35, 45, 0.7);
  
  /* Границы */
  --border: rgba(148, 163, 184, 0.12);
  --border-hover: rgba(148, 163, 184, 0.2);
  --border-focus: rgba(99, 102, 241, 0.4);
  
  /* Текст */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-disabled: #64748b;
  
  /* Акценты */
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-info: #3b82f6;
  
  /* Платформы */
  --whatsapp: #25d366;
  --telegram: #0088cc;
  
  /* Тени */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  
  /* Радиусы */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  
  /* Переходы */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Базовые стили === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  color: var(--text-primary);
  background: var(--bg-primary);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.25), transparent),
    radial-gradient(ellipse 60% 50% at 50% 120%, rgba(16, 185, 129, 0.2), transparent);
  position: relative;
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}


/* === Типографика === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.125rem; }

/* === Хедер === */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.app-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-header-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.app-header-home {
  text-decoration: none;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition-base);
}

.app-header-home:hover,
.app-header-home:focus {
  color: var(--accent);
}

.app-header-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* === Кнопки и ссылки === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: 0 4px 8px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--accent-success);
  color: white;
}

.btn-success:hover {
  background: #059669;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--accent-danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.btn-warning {
  background: var(--accent-warning);
  color: white;
}

.btn-warning:hover {
  background: #d97706;
  transform: translateY(-1px);
}

.btn-info {
  background: #06b6d4;
  color: white;
}

.btn-info:hover {
  background: #0891b2;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

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

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* === Карточки === */
.card {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* === Формы === */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* === Таблицы === */
.table-container {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.table thead {
  background: var(--surface);
}

.table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

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

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

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

/* === Бейджи и статусы === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-info);
}

/* === Утилиты === */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.container-compact {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem;
}

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

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

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

/* === Анимации === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* === Toast уведомления === */
.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: var(--surface-elevated);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.875rem 1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  animation: fadeIn var(--transition-base) ease-out;
  max-width: 400px;
}

/* === Скроллбар === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === Утилитные классы (замена Tailwind) === */

/* Grid */
.grid {
  display: grid;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

/* Flexbox */
.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.flex-wrap {
  flex-wrap: wrap;
}

.inline-flex {
  display: inline-flex;
}

/* Spacing */
.px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

/* Typography */
.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-slate-200 {
  color: #e2e8f0;
}

.text-slate-400 {
  color: #94a3b8;
}

.text-slate-600 {
  color: #475569;
}

.text-red-400 {
  color: #f87171;
}

.text-blue-400 {
  color: #60a5fa;
}

.text-blue-300 {
  color: #93c5fd;
}

.text-green-400 {
  color: #4ade80;
}

.uppercase {
  text-transform: uppercase;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

/* Borders */
.border-b {
  border-bottom: 1px solid var(--border);
}

.border-slate-700 {
  border-color: #334155;
}

.rounded {
  border-radius: var(--radius-md);
}

/* Other */
.min-w-full {
  min-width: 100%;
}

.overflow-x-auto {
  overflow-x: auto;
}

.cursor-pointer {
  cursor: pointer;
}

.nowrap {
  white-space: nowrap;
}

/* === Адаптивность === */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  .app-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .app-header-nav {
    width: 100%;
    flex-wrap: wrap;
  }
}