/* Основные переменные и темы */
:root {
  /* Темная тема (по умолчанию) */
  --bg-primary: #0a0f1d;
  --bg-secondary: #121829;
  --bg-glass: rgba(20, 26, 46, 0.65);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-rgb: 99, 102, 241;
  
  --success: #10b981;
  --success-hover: #059669;
  --danger: #f43f5e;
  --danger-hover: #e11d48;
  --danger-outline: rgba(244, 63, 94, 0.2);
  --warning: #f59e0b;
  
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  --glass-blur: blur(12px);
  --input-bg: rgba(8, 12, 24, 0.8);
  --console-bg: #050811;
  --console-border: #1e293b;
  --console-text: #38bdf8;
  
  --transition-speed: 0.3s;
}

body.light-theme {
  /* Светлая тема */
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.75);
  --border-glass: rgba(148, 163, 184, 0.18);
  --border-hover: rgba(79, 70, 229, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-rgb: 79, 70, 229;
  
  --success: #10b981;
  --success-hover: #059669;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-outline: rgba(239, 68, 68, 0.15);
  --warning: #d97706;
  
  --card-shadow: 0 8px 32px 0 rgba(148, 163, 184, 0.15);
  --glass-blur: blur(16px);
  --input-bg: #f8fafc;
  --console-bg: #0f172a;
  --console-border: #cbd5e1;
  --console-text: #38bdf8;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  overflow-x: hidden;
}

/* Скроллбар */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-glass);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}

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

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

.btn-danger-outline {
  background-color: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger-outline:hover {
  background-color: var(--danger-outline);
}

.btn-icon {
  background-color: var(--bg-glass);
  border: 1px solid var(--border-glass);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-primary);
  padding: 0;
}
.btn-icon:hover {
  background-color: var(--border-glass);
}

.btn-block {
  width: 100%;
}

/* Стили Glassmorphism */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
  transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

/* Экраны */
.screen {
  display: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  flex: 1;
}
.screen.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
}

/* Экран логина */
#auth-screen {
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 40px;
  margin: 20px;
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.logo-text {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.05rem;
  background: linear-gradient(135deg, #a5b4fc, var(--accent), #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}

body.light-theme .logo-text {
  background: linear-gradient(135deg, var(--accent), #4338ca);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-sub {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 6px;
  font-weight: 500;
}

/* Поля ввода */
.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: flex;
  gap: 16px;
}
.form-row .form-group {
  flex: 1;
}
.form-row .flex-2 {
  flex: 2;
}
.form-row .flex-1 {
  flex: 1;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  background-color: var(--input-bg);
  color: var(--text-primary);
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.error-text {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
}
.hidden {
  display: none !important;
}

/* Дашборд шапка */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 40px;
  border-bottom: 1px solid var(--border-glass);
  background-color: rgba(var(--bg-primary), 0.5);
  backdrop-filter: var(--glass-blur);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo .logo-text {
  font-size: 1.6rem;
}

.badge {
  background-color: var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--border-glass);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Контентная часть */
.dashboard-container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 40px;
}

/* Сводная инфа */
.dashboard-summary {
  display: flex;
  gap: 24px;
  margin-bottom: 30px;
}

.summary-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
  flex: 1;
}

.summary-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.summary-value {
  font-size: 1.8rem;
  font-weight: 700;
}

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

/* Сетка карточек */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 24px;
}

/* Карточка подключения */
.tunnel-card {
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tunnel-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

body.light-theme .tunnel-card:hover {
  box-shadow: 0 12px 40px 0 rgba(148, 163, 184, 0.25);
}

/* Шапка карточки */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.card-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-name {
  font-size: 1.2rem;
  font-weight: 700;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-wg-ip {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Статус шлюза */
.status-indicator-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(0, 0, 0, 0.25);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-glass);
}
body.light-theme .status-indicator-group {
  background-color: rgba(0, 0, 0, 0.04);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.status-dot.connected {
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulse-green 2s infinite;
}

.status-dot.disconnected {
  background-color: var(--text-muted);
}

.status-dot.connecting {
  background-color: var(--warning);
  box-shadow: 0 0 10px var(--warning);
  animation: pulse-orange 1.5s infinite;
}

.status-dot.error {
  background-color: var(--danger);
  box-shadow: 0 0 10px var(--danger);
}

.status-text {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Инфо блок PPTP */
.pptp-info-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background-color: rgba(0, 0, 0, 0.15);
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  font-size: 0.85rem;
}
body.light-theme .pptp-info-block {
  background-color: rgba(0, 0, 0, 0.02);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.info-value {
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Кнопки действий (Сетка) */
.card-actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-sm {
  padding: 8px 12px;
  font-size: 0.8rem;
  border-radius: 8px;
}

/* Кнопка включения/выключения */
.btn-toggle-connection.connected {
  background-color: var(--danger);
  color: #ffffff;
}
.btn-toggle-connection.connected:hover {
  background-color: var(--danger-hover);
}

.btn-toggle-connection.disconnected {
  background-color: var(--success);
  color: #ffffff;
}
.btn-toggle-connection.disconnected:hover {
  background-color: var(--success-hover);
}

/* Секция консоли логов */
.console-wrapper {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.console-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.btn-console-refresh {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-console-refresh:hover {
  text-decoration: underline;
}

.console-box {
  background-color: var(--console-bg);
  border: 1px solid var(--console-border);
  border-radius: 8px;
  height: 80px;
  padding: 8px 12px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.75rem;
  color: var(--console-text);
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Модальные окна */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 8, 17, 0.6);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 580px;
  margin: 20px;
  padding: 30px;
  animation: slide-up 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 101;
}

.config-modal-content {
  max-width: 650px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}
.btn-close:hover {
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

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

.action-buttons-group {
  display: flex;
  gap: 8px;
}

/* Блок конфига WireGuard */
.wg-info-alert {
  background-color: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.config-view-container {
  background-color: var(--console-bg);
  border: 1px solid var(--console-border);
  border-radius: 12px;
  padding: 16px;
  height: 250px;
  overflow-y: auto;
}

.config-view-container pre {
  margin: 0;
}

.config-view-container code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  color: var(--console-text);
}

.wg-ip-badge {
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

/* Пустые состояния */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-glass);
  border: 1px dashed var(--border-glass);
  border-radius: 24px;
  margin-top: 40px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.empty-state h3 {
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Анимации */
@keyframes pulse-green {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes pulse-orange {
  0% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  }
}

@keyframes slide-up {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Адаптивность */
@media (max-width: 900px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .main-header {
    padding: 16px 20px;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .header-controls {
    width: 100%;
    justify-content: space-between;
  }
  .dashboard-container {
    padding: 20px;
  }
  .dashboard-summary {
    flex-direction: column;
    gap: 12px;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
}