/* ESP32 Industrial Control Dashboard - Optimized CSS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

/* CSS Custom Properties for Easy Configuration */
:root {
  /* Color Palette */
  --primary-bg: #0a0a0a;
  --secondary-bg: #1a1a1a;
  --panel-bg: #262626;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-error: #ef4444;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --border-color: #374151;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  /* Transitions */
  --transition: 0.2s ease-in-out;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header {
  background: var(--secondary-bg);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-md) 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.header-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
}

.header-icon {
  color: var(--accent-success);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.controller-picker {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.controller-picker label {
  white-space: nowrap;
}

.controller-picker select {
  min-width: 180px;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--panel-bg);
  color: var(--text-primary);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--accent-success);
}

.last-update {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.email-verify-banner {
  background: #9a3412;
  border-bottom: 1px solid #c2410c;
  color: #ffedd5;
  padding: 0.6rem 0;
  font-size: 0.875rem;
}

.email-verify-banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* Navigation */
.navigation {
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
}

.nav-tabs {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory; /* не обязательно, но удобно */
}

/* Каждая вкладка прилипаёт к началу скролла */
.nav-tab {
  flex-shrink: 0;
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  scroll-snap-align: start;
}


.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
  background: var(--accent-success);
  color: var(--primary-bg);
  font-weight: 600;
}
/* Корневой контейнер приложения */
#app {
  min-height: 100vh;
}

/* Чтобы контент не уезжал под футер */
.main-content {
  flex: 1;
  padding: var(--space-xl) 0;
  /* Дополнительный отступ под фиксированный футер */
  padding-bottom: 80px;
}

/* Футер: фиксирован внизу окна */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--space-md) 0;

  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;               /* ниже уведомлений, но поверх фона */
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Overview Tab */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.stat-icon {
  color: var(--accent-success);
}

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

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.stat-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Device Status */
.device-status-grid {
  margin-top: var(--space-xl);
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.device-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.device-item {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.device-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.device-name {
  font-weight: 500;
}

/* Controls Tab */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.valve-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition);
}

.valve-card:hover {
  border-color: var(--accent-success);
}

.valve-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.valve-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.valve-id {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--panel-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.valve-status {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

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

.valve-card.active .valve-icon {
  color: var(--accent-success);
}

.valve-state {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.state-text {
  font-weight: 600;
}

.valve-controls {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.valve-details {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

#controls .valve-details {
  display: none;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.detail-item span:first-child {
  color: var(--text-secondary);
}

.detail-item span:last-child {
  font-weight: 500;
}

/* Sensors Tab */
.sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.sensor-panel {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.panel-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.sensor-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.sensor-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.sensor-icon {
  color: var(--accent-success);
}

.sensor-info {
  flex: 1;
}

.sensor-name {
  display: block;
  font-weight: 600;
}

.sensor-id {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.sensor-reading {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.sensor-value {
  font-size: 2.5rem;
  font-weight: 700;
}

.sensor-unit {
  font-size: 1rem;
  color: var(--text-secondary);
}

.trend-indicator {
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: bold;
}

.trend-up { color: var(--accent-success); }
.trend-down { color: var(--accent-error); }
.trend-stable { color: var(--text-secondary); }

.sensor-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.sensor-controls-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.sensor-status-card {
  min-height: 150px;
  padding: var(--space-md);
}

.sensor-status-card .valve-header {
  margin-bottom: var(--space-sm);
}

.sensor-status {
  justify-content: left;
  min-height: 72px;
  margin-bottom: 0;
}

.sensor-state-display {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-sm);
  text-align: left;
}

.sensor-status-icon {
  color: var(--accent-success);
}

.sensor-status-card.sensor-alert .sensor-status-icon {
  color: var(--accent-error);
}

.sensor-status-card.sensor-normal .sensor-status-icon {
  color: var(--accent-success);
}

.sensor-state-text {
  font-size: var(--space-lg);
  line-height: 1.2;
}

/* Analytics Tab */
.analytics-grid {
  display: grid;
  gap: var(--space-xl);
}

.chart-container {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.chart-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.chart-controls {
  display: flex;
  gap: var(--space-xs);
}

.chart-btn {
  padding: var(--space-xs) var(--space-sm);
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.chart-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-success);
}

.chart-btn.active {
  background: var(--accent-success);
  color: var(--primary-bg);
  border-color: var(--accent-success);
}

.chart-wrapper {
  height: 300px;
  background: var(--primary-bg);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  position: relative;
}

#main-chart {
  width: 100%;
  height: 100%;
}

/* Status Indicators */
.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-success { background-color: var(--accent-success); }
.status-warning { background-color: var(--accent-warning); }
.status-error { background-color: var(--accent-error); }
.status-neutral { background-color: var(--text-secondary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

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

.btn-primary {
  background: var(--accent-success);
  color: var(--primary-bg);
  border-color: var(--accent-success);
}

.btn-primary:hover:not(:disabled) {
  background: #0d9668;
}

.btn-secondary {
  background: var(--panel-bg);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border-color);
}

.btn-success {
  background: var(--accent-success);
  color: var(--primary-bg);
  border-color: var(--accent-success);
}

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

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-sm {
  /*padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;*/
}

.toggle-switch {
position: relative;
display: inline-block;
width: 50px;
height: 24px;
}

.toggle-switch input {
opacity: 0;
width: 0;
height: 0;
}

.toggle-slider {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: #ccc;
border-radius: 24px;
transition: 0.3s;
}

.toggle-slider:before {
content: "";
position: absolute;
height: 20px;
width: 20px;
left: 2px;
bottom: 2px;
background: white;
border-radius: 50%;
transition: 0.3s;
 }

input:checked + .toggle-slider {
background: var(--accent-success);
}

input:checked + .toggle-slider:before {
transform: translateX(26px);
}

.status-message {
margin-top: 10px;
padding: 8px;
border-radius: 4px;
font-size: 14px;
}

.status-message.success {
background: rgba(0,255,0,0.1);
color: var(--accent-success);
}

.status-message.error {
background: rgba(255,0,0,0.1);
color: var(--accent-error);
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--space-md) 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.footer-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Events (Журнал событий) */
.events-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 12px 30px rgba(0,0,0,0.45);
}

.events-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.events-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.events-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.events-select {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0.45rem 0.6rem;
  font-size: 0.875rem;
}

.events-table-wrap {
  background: #0b0b0b;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}

.events-table {
  width: 100%;
  border-collapse: collapse;
}

.events-table thead th {
  text-align: left;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
  background: rgba(255,255,255,0.03);
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.events-table td {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.9rem;
  vertical-align: top;
}

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

.col-time { width: 170px; white-space: nowrap; color: var(--text-secondary); }

.event-row--error td { color: #ff6b6b; }
.event-row--warn  td { color: #fbbf24; } /* warning */
.event-row--ok    td { color: var(--text-primary); }

.events-table-wrap {
  max-height: 520px;        /* как на макете */
  overflow: auto;
}

/* Mobile layout */
.events-list { display: none; padding: var(--space-sm); }
.event-item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0.75rem 0.6rem;
}
.event-item:last-child { border-bottom: none; }
.event-meta {
  display: flex;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
}
.event-text { font-size: 0.95rem; }
.event-item--error .event-text { color: #ff6b6b; }
.event-item--warn  .event-text { color: #fbbf24; }

@media (max-width: 640px) {
  .events-card-header { flex-direction: column; align-items: stretch; }
  .events-actions { justify-content: space-between; }

  .events-table { display: none; }
  .events-list { display: block; }

  .events-table-wrap { max-height: calc(100vh - 260px); } /* чтобы влезало */
}

@media (max-width: 1024px) {
  .stats-grid,
  .controls-grid,
  .sensor-grid,
  .analytics-grid,
  .settings-grid {
    margin-left: var(--space-lg);
    margin-right: var(--space-lg);
  }
}
/* Responsive Design */
@media (max-width: 768px) {

  .container {
    padding: 0 var(--space-sm);
  }
  
  .header-content {
    flex-direction: column;
    text-align: center;
  }

  .nav-tabs {
    padding-left: var(--space-lg);  /* небольшой внутренний отступ */
  }



  .controls-grid {
    grid-template-columns: 1fr;
  }
  
  .sensor-grid {
    grid-template-columns: 1fr;
  }
  
  .valve-controls {
    flex-direction: column;
  }
  
  .valve-details {
    grid-template-columns: 1fr;
  }
  
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer {
    position: static;
  }

  .main-content {
    flex: 1 0 auto;
    padding: var(--space-md) 0;   /* можно уменьшить отступ снизу */
  }

}

@media (max-width: 480px) {
  .main-content {
    padding: var(--space-md) 0;
  }
  
  .sensor-reading {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .sensor-value {
    font-size: 2rem;
  }
  /* Кнопки поменьше и во всю ширину, где нужно */
  .btn {
    width: 100%;
    justify-content: center;
  }

  .valve-controls {
    align-items: stretch;
  }
  /* Карточки настроек — общий вид */
  #settings .stat-card.settings-block {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
  }

  /* Заголовок блока крупнее и по центру */
  #settings .settings-block .section-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    text-align: center;
  }

  /* Любая строка деталей — подпись сверху, значение крупным под ней */
  #settings .settings-block .detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border-color);
  }

  #settings .settings-block .detail-item:first-of-type {
    border-top: none;
  }



  #settings .settings-block .detail-item span:last-child {
    font-size: 1.4rem;
    font-weight: 700;
  }

  #settings .settings-block .detail-item.ctrl-uptime-row span:nth-child(2),
  #settings .settings-block .detail-item.wifi-ssid-row span:nth-child(2) {
    font-size: 1.4rem;
    font-weight: 700;
  }

  /* Общая зона действий внизу блока */
  #settings .settings-actions {
    margin-top: var(--space-lg);
    display: flex;
    justify-content: center;
  }

  #settings .settings-actions .btn,
  #settings .settings-block .detail-item .btn {
    display: block;
    width: 80%;
    max-width: 320px;
    margin: 0 auto;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

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

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.btn:focus-visible,
.nav-tab:focus-visible {
  outline: 2px solid var(--accent-success);
  outline-offset: 2px;
}

/* Auth / Login Page */

.auth-page {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background:  #0a0a0a;
}

.auth-card-wrapper {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.auth-card {
  background: var(--secondary-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  padding: var(--space-xl);
}

.auth-header {
  margin-bottom: var(--space-lg);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.auth-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-tabs {
  display: flex;
  gap: var(--space-xs);
  margin: var(--space-lg) 0;
  background: var(--panel-bg);
  padding: var(--space-xs);
  border-radius: var(--radius-md);
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.auth-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.auth-tab.active {
  background: var(--accent-success);
  color: var(--primary-bg);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.auth-form.hidden {
  display: none;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.auth-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-input {
  background: var(--panel-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 0.6rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.auth-input:focus {
  border-color: var(--accent-success);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.3);
  background: #111827;
}

.auth-password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-password-wrap .auth-input {
  width: 100%;
  padding-right: 2.75rem;
}

.auth-password-toggle {
  position: absolute;
  right: 0.65rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.auth-password-toggle:hover,
.auth-password-toggle.active {
  color: var(--accent-success);
  background: rgba(16, 185, 129, 0.12);
}

.auth-password-toggle .icon-eye-open {
  display: none;
}

.auth-password-toggle.active .icon-eye-open {
  display: block;
}

.auth-password-toggle.active .icon-eye-closed {
  display: none;
}

.auth-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  margin-top: -0.25rem;
}

.auth-link {
  color: var(--accent-success);
  text-decoration: none;
  font-size: 0.8rem;
}

.auth-link:hover {
  text-decoration: underline;
}

.auth-password-strength {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.auth-password-strength span {
  font-weight: 500;
  color: var(--accent-warning);
}

.auth-device-id {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.auth-device-id span {
  color: var(--accent-success);
}

.auth-error {
  min-height: 18px;
  font-size: 0.85rem;
  color: var(--accent-error);
  text-align: center;
}

.auth-actions {
  margin-top: var(--space-sm);
  display: flex;
  justify-content: center;   /* центр по горизонтали */
}

.auth-footer-text {
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
}

.auth-footer-text a {
  color: var(--accent-success);
  text-decoration: none;
}

.auth-footer-text a:hover {
  text-decoration: underline;
}

/* Футер под карточкой */

.auth-info {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
}

.auth-modal-card {
  max-width: 460px;
  width: min(460px, calc(100vw - 2 * var(--space-lg)));
  margin: 50vh auto 0;
  transform: translateY(-50%);
  box-sizing: border-box;
}

.auth-footer {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Сетка для страницы настроек */
/* Вкладка настроек — одна колонка по вертикали */
#settings .settings-grid {
  display: flex;
  flex-direction: column;
  align-items: center;              /* центрируем по горизонтали */
  gap: var(--space-xl);             /* расстояние между блоками */

}

/* Ограничиваем ширину самих блоков */
#settings .stat-card {
  width: 100%;
  max-width: 1000px;                /* в пределах 800–1200px */
}
/* Строки настроек: 3 колонки — лейбл / значение / кнопка */
/* Строки настроек: три фиксированные колонки */
.settings-block .detail-item {
  display: grid;
  grid-template-columns: 180px 1fr 140px; /* лейбл / значение / кнопка */
  align-items: center;
  column-gap: var(--space-md);
  padding: 2px 0;
}

/* Лейбл слева */
.settings-block .detail-item span:first-child {
  text-align: left;
}

/* Значение или прочерк строго по центру своей колонки */
.settings-block .detail-item span:nth-child(2) {
  text-align: center;
}

/* Третий столбец (кнопка или пусто) прижимается вправо */
.settings-block .detail-item button,
.settings-block .detail-item span:nth-child(3) {
  justify-self: end;
}
.detail-item.ctrl-uptime-row span:nth-child(2),
.detail-item.wifi-ssid-row span:nth-child(2) {
  font-size: var(--space-lg);
}
/* Значение/прочерк по центру строки */
.settings-block .detail-item span:last-child {
  font-size: var(--space-lg);
  flex: 1 1 auto;
  text-align: center;
}

/* Область с кнопками — внизу блока, кнопка справа */
.settings-actions {
  margin-top: var(--space-md);
  display: flex;
  justify-content: flex-end;
}

#alerts-card{
    min-height: 201px;
}

.alarm-bar{
  background: var(--accent-error);
  color: #fff;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 950;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.alarm-bar .btn{
  width: auto; /* чтобы на десктопе не растягивалась на 100% */
}


.modal { position: fixed; inset: 0; z-index: 1200; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal-card {
  position: relative;
  max-width: 520px;
  margin: 10vh auto;
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.modal-card.auth-modal-card {
  width: min(460px, calc(100vw - 2 * var(--space-lg)));
  max-width: 460px;
  margin: 50vh auto 0;
  transform: translateY(-50%);
  box-sizing: border-box;
}
.modal-actions { display:flex; gap: var(--space-sm); justify-content: flex-end; margin-top: var(--space-md); }
.modal-hint { margin-top: var(--space-sm); color: var(--accent-warning); font-size: 0.9rem; }

.password-value-mask {
  letter-spacing: 0.12em;
}

.password-modal-card {
  max-width: 460px;
}

.password-modal-fields {
  display: grid;
  gap: var(--space-sm);
}

.password-modal-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.password-modal-input {
  width: 100%;
  background: var(--panel-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 0.6rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.password-modal-input:focus {
  border-color: var(--accent-success);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.3);
  background: #111827;
}

.wifi-modal-card {
  max-width: 460px;
  margin: 50vh auto 0;
  transform: translateY(-50%);
}

.wifi-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.wifi-modal-close {
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--panel-bg);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.wifi-modal-close:hover {
  color: var(--text-primary);
  background: var(--border-color);
}

.wifi-modal-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.wifi-modal-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.wifi-networks-list {
  display: grid;
  gap: var(--space-sm);
  max-height: 220px;
  overflow-y: auto;
  margin-bottom: var(--space-md);
}

.wifi-network-item,
.wifi-empty-state {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--panel-bg);
  color: var(--text-primary);
  padding: 0.75rem;
}

.wifi-network-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  text-align: left;
}

.wifi-network-item:hover,
.wifi-network-item.active {
  border-color: var(--accent-success);
}

.wifi-network-meta {
  color: var(--text-secondary);
  font-size: 0.8rem;
  white-space: nowrap;
}

.wifi-empty-state {
  color: var(--text-secondary);
  text-align: center;
}

.wifi-password-block {
  display: grid;
  gap: var(--space-xs);
}


/* Mobile tweaks for auth */

@media (max-width: 480px) {
    .fade-in{
        width: 90%;
        margin: 0 auto;
        padding-left: clamp(12px, 4vw, 24px);
        padding-right: clamp(12px, 4vw, 24px);
        box-sizing: border-box;
    }
}