:root {
    /* Dark theme palette */
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222636;
    --bg-hover: #2a2e3f;

    --text-primary: #e4e6ed;
    --text-secondary: #9ca0b0;
    --text-muted: #6b7084;

    --accent-primary: #4f8fff;
    --accent-success: #2dd4a0;
    --accent-warning: #f5a623;
    --accent-danger: #ef4444;

    --border-color: #2e3348;
    --border-radius: 12px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Touch target */
    --min-touch-target: 44px;

    /* Dashboard layout */
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --navbar-height: 56px;
    --sidebar-width: 260px;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl);
}

h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-sm);
}

/* Service status cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: border-color 0.2s ease;
}

.service-card.healthy {
    border-color: var(--accent-success);
}

.service-card.unhealthy {
    border-color: var(--accent-danger);
}

.service-card.checking {
    border-color: var(--accent-warning);
}

.service-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: var(--space-xs);
    vertical-align: middle;
}

.status-indicator.healthy {
    background-color: var(--accent-success);
    box-shadow: 0 0 8px var(--accent-success);
}

.status-indicator.unhealthy {
    background-color: var(--accent-danger);
    box-shadow: 0 0 8px var(--accent-danger);
}

.status-indicator.checking {
    background-color: var(--accent-warning);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-sm);
}

.error-text {
    color: var(--accent-danger);
    font-size: var(--font-size-xs);
    margin-top: var(--space-xs);
    word-break: break-word;
}

/* Overall status banner */
.overall-status {
    text-align: center;
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    margin-top: var(--space-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.overall-status.healthy {
    background: rgba(45, 212, 160, 0.1);
    color: var(--accent-success);
    border: 1px solid rgba(45, 212, 160, 0.3);
}

.overall-status.unhealthy {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.overall-status.checking {
    background: rgba(245, 166, 35, 0.1);
    color: var(--accent-warning);
    border: 1px solid rgba(245, 166, 35, 0.3);
}

.last-check {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    margin-top: var(--space-lg);
}

/* Responsive */
@media (max-width: 375px) {
    .container {
        padding: var(--space-md);
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .temp-display {
        font-size: var(--font-size-xl);
    }
}

/* ============================================================
   Auth Page Styles
   ============================================================ */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: var(--space-xl);
  width: 100%;
  max-width: 400px;
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.auth-logo h1 {
  font-size: var(--font-size-2xl);
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
}

.auth-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  text-align: center;
  color: var(--text-primary);
}

/* Form groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.form-group label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  height: var(--min-touch-target);
  outline: none;
  padding: 0 var(--space-md);
  transition: border-color 0.15s ease;
  width: 100%;
}

.form-group input:focus {
  border-color: var(--accent-primary);
}

.form-group input.input-error {
  border-color: var(--accent-danger);
}

/* Inline error messages */
.error-message {
  color: var(--accent-danger);
  font-size: var(--font-size-sm);
  min-height: 1.2em;
}

.error-message:empty {
  display: none;
}

.form-error {
  display: block;
  margin-bottom: var(--space-sm);
  text-align: center;
}

/* Buttons */
.btn {
  align-items: center;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  height: var(--min-touch-target);
  justify-content: center;
  margin-top: var(--space-sm);
  padding: 0 var(--space-lg);
  text-align: center;
  text-decoration: none;
  transition: opacity 0.15s ease;
  width: 100%;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

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

/* Auth switch link */
.auth-switch {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--space-lg);
  text-align: center;
}

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

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

/* Post-registration success */
.success-header {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.success-icon {
  background: var(--accent-success);
  border-radius: 50%;
  color: #fff;
  font-size: var(--font-size-xl);
  font-weight: bold;
  height: 48px;
  line-height: 48px;
  text-align: center;
  width: 48px;
}

.success-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.user-id-display {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
  padding: var(--space-md);
  text-align: center;
}

.user-id-hint {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-lg);
  text-align: center;
}

/* ============================================================
   Dashboard & Layout Styles
   ============================================================ */

/* Danger button */
.btn-danger {
  background: var(--accent-danger);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  opacity: 0.9;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
}

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

.navbar-logo {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--accent-primary);
  text-decoration: none;
  cursor: pointer;
}
.navbar-logo:hover {
  opacity: 0.8;
}

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

.lang-switch {
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  display: inline-flex;
  flex-shrink: 0;
  overflow: hidden;
}

.lang-switch button {
  background: transparent;
  border: 0;
  color: var(--text-primary);
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-weight: 700;
  min-height: 30px;
  min-width: 34px;
  padding: 0 var(--space-sm);
}

.lang-switch button:hover {
  background: var(--bg-hover);
}

.lang-switch button.active {
  background: var(--accent-primary);
  color: #fff;
}

.auth-logo .lang-switch,
.auth-card > .lang-switch {
  margin: var(--space-md) auto 0;
}

.lang-switch-floating {
  position: fixed;
  right: var(--space-md);
  top: var(--space-md);
  z-index: 400;
  background: var(--bg-secondary);
}

.user-id-badge {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  background: var(--bg-hover);
  padding: 2px 8px;
  border-radius: 6px;
}

#sidebar-toggle,
#logout-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: var(--min-touch-target);
  height: var(--min-touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
}

#sidebar-toggle:hover,
#logout-btn:hover {
  color: var(--text-primary);
}

.logout-text {
  display: none;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform 250ms ease-out;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: var(--min-touch-target);
  height: var(--min-touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-close:hover {
  color: var(--text-primary);
}

.sidebar-nav {
  list-style: none;
  padding: var(--space-md) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: var(--space-sm) var(--space-md);
  margin: 0 var(--space-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-base);
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border-left: 0 solid transparent;
  transition: background 150ms, transform 150ms, box-shadow 150ms, color 150ms;
}

.sidebar-nav a:hover {
  background: var(--bg-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  color: var(--accent-primary);
  background: var(--bg-hover);
  border-left: 3px solid var(--accent-primary);
}

.sidebar-nav a.disabled {
  color: var(--text-muted);
  pointer-events: none;
}

/* Sidebar backdrop (mobile overlay) */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  top: var(--navbar-height);
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
}

.sidebar-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Main content */
.main-content {
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.page-heading {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

/* Device grid */
.device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

/* Device card */
.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  box-shadow: var(--shadow);
  position: relative;
  cursor: pointer;
  transition: border-color 200ms;
}

.device-card:hover {
  border-color: rgba(79, 143, 255, 0.4);
}

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

.device-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.device-type {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* Online/offline dot on dashboard cards */
.card-online-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: auto;
  margin-right: var(--space-xs);
}

.card-online-dot.online {
  background: var(--accent-success);
  box-shadow: 0 0 6px var(--accent-success);
}

.card-online-dot.offline {
  background: var(--text-muted);
}

/* Error badge on dashboard cards */
.card-error-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--accent-danger);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 700;
  height: auto;
  padding: 2px 8px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: calc(100% - 1rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-error-badge[hidden],
.card-error-message[hidden] {
  display: none;
}

.card-error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 8px;
  color: var(--accent-danger);
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  word-break: break-word;
}

.card-menu-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: var(--min-touch-target);
  height: var(--min-touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-menu-btn:hover {
  color: var(--text-primary);
}

/* Card removal animation */
.device-card.removing {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  padding: 0;
  margin: 0;
  border: 0;
  transition: opacity 300ms ease-out, max-height 300ms ease-out, padding 300ms ease-out, margin 300ms ease-out;
}

/* Three-dot dropdown menu */
.card-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 160px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  z-index: 50;
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  transition: opacity 150ms, transform 150ms;
}

.card-menu.open {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.card-menu button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  height: var(--min-touch-target);
  padding: 0 var(--space-md);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-base);
  cursor: pointer;
}

.card-menu button:hover {
  background: var(--bg-hover);
}

.card-menu .menu-delete {
  color: var(--accent-danger);
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-xl) 0;
  text-align: center;
}

.empty-state svg {
  width: 80px;
  height: 80px;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.empty-state h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--text-muted);
  max-width: 360px;
  line-height: 1.6;
}

/* Modal overlay and box */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  width: calc(100% - 32px);
  max-width: 400px;
  transform: scale(0.95);
  transition: transform 200ms ease-out;
}

.modal-overlay.visible .modal {
  transform: scale(1);
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.modal-body {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.modal-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.modal-buttons {
  display: flex;
  gap: var(--space-sm);
}

.modal-buttons .btn {
  flex: 1;
  margin-top: 0;
}

/* ============================================================
   Page Header
   ============================================================ */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-header .page-heading {
  margin-bottom: 0;
}

/* ============================================================
   Category Filter
   ============================================================ */

.category-filter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.375rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  min-height: 36px;
}

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

.filter-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

/* ============================================================
   Preset Grid & Cards
   ============================================================ */

.preset-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.preset-details {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.preset-detail {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.preset-description {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-badge {
  display: inline-block;
  background: var(--bg-input);
  color: var(--text-secondary);
  padding: 0.125rem 0.5rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

/* ============================================================
   Form Row & Select/Textarea
   ============================================================ */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  appearance: none;
  -webkit-appearance: none;
}

select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  resize: vertical;
  font-family: inherit;
}

textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* ============================================================
   Device Page
   ============================================================ */

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

.back-link {
  color: var(--text-secondary);
  min-width: var(--min-touch-target);
  min-height: var(--min-touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.back-link:hover {
  color: var(--text-primary);
}

.device-page-name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.online-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.online-dot.online {
  background: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
}

.online-dot.offline {
  background: var(--text-muted);
}

.status-area {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  text-align: center;
}

.status-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.temp-display,
.timer-display {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  color: var(--text-primary);
}

.metric-pair {
  align-items: baseline;
  display: inline-grid;
  gap: var(--space-xs);
  grid-template-columns: auto auto;
}

.metric-pair .metric-label {
  align-self: center;
}

.metric-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1;
}

.current-temp {
  color: var(--accent-primary);
}

.metric-label,
.target-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 400;
}

.target-temp {
  color: var(--text-secondary);
  font-weight: 600;
}

.countdown {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.timer-total {
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.timer-state-label {
  font-size: var(--font-size-sm);
  color: var(--accent-warning);
  font-weight: 600;
  margin-top: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.controls-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.control-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  display: block;
}

.power-control-panel {
  align-items: stretch;
  display: grid;
  gap: var(--space-md);
  grid-template-columns: minmax(0, 1fr);
}

.power-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.process-status-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
}

.process-status-item {
  align-items: center;
  display: flex;
  gap: var(--space-sm);
  justify-content: space-between;
}

.process-status-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.process-status-value {
  border-radius: 6px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  min-width: 54px;
  padding: 2px 6px;
  text-align: center;
}

.process-status-value.ok {
  background: rgba(45, 212, 160, 0.14);
  color: var(--accent-success);
}

.process-status-value.not-ok {
  background: rgba(239, 68, 68, 0.12);
  color: var(--accent-danger);
}

.clock-target-icon {
  width: 1.6rem;
  height: 1.6rem;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.power-toggle {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
  cursor: pointer;
}

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

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-hover);
  border-radius: 34px;
  transition: background 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  left: 4px;
  bottom: 4px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: transform 0.3s, background 0.3s;
}

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

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

.power-state {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-secondary);
}

.power-state.on {
  color: var(--accent-success);
}

.preset-apply-row {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.preset-apply-row select {
  flex: 1;
}

.preset-apply-row .btn {
  flex-shrink: 0;
  width: auto;
  margin-top: 0;
}

.manual-input-form .form-row {
  margin-bottom: var(--space-sm);
}

.manual-input-form > .form-row:first-child {
  grid-template-columns: 1fr;
}

.manual-command-row .btn {
  margin-top: 0;
}

.form-group-btn {
  display: flex;
  align-items: flex-end;
}

.form-group-btn .btn {
  margin-top: 0;
}

.sent-feedback {
  color: var(--accent-success);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
  display: inline-block;
  animation: fadeOut 2s forwards 1s;
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

.status-card.flash {
  animation: statusFlash 0.6s ease;
}

@keyframes statusFlash {
  0% { border-color: var(--accent-primary); }
  100% { border-color: var(--border-color); }
}

.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + var(--space-md));
  right: var(--space-md);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 180px;
  width: min(180px, calc(100% - 2 * var(--space-md)));
}

.toast-alert {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-alert.error {
  border-left: 4px solid var(--accent-danger);
}

.toast-alert.warning {
  border-left: 4px solid var(--accent-warning);
}

.toast-alert.info {
  border-left: 4px solid var(--accent-primary);
}

.toast-alert .toast-message {
  flex: 1;
  min-width: 0;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.toast-alert .toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  min-width: var(--min-touch-target);
  min-height: var(--min-touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-alert.removing {
  animation: slideOut 0.3s ease forwards;
}

@keyframes slideOut {
  to { transform: translateX(100%); opacity: 0; }
}

/* ============================================================
   Responsive Breakpoints — Dashboard
   ============================================================ */

@media (min-width: 768px) {
  .main-content {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
  }

  .device-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

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

  .logout-text {
    display: inline;
  }

  .status-area {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1280px) {
  .sidebar {
    transform: translateX(0);
    z-index: 50;
  }

  .sidebar-close {
    display: none;
  }

  #sidebar-toggle {
    display: none;
  }

  .main-content {
    margin-left: var(--sidebar-width);
  }

  .device-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .preset-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   Skeleton Shimmer Loaders
   ============================================================ */

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.skeleton {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
  animation: shimmer 1.5s infinite;
}

.skeleton-card {
  height: 120px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--space-lg);
}

.skeleton-text {
  height: 14px;
  width: 60%;
  margin-bottom: var(--space-sm);
  background: var(--bg-hover);
  border-radius: 4px;
}

.skeleton-text.short {
  width: 40%;
}

.skeleton-block {
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

#skeleton-cards {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

#device-skeleton {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  #skeleton-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

@media (min-width: 1280px) {
  #skeleton-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   WebSocket Connection Status Dot
   ============================================================ */

.ws-status-dot {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: var(--space-sm);
  transition: background 300ms;
}

.ws-status-dot.connected {
  background: var(--accent-success);
}

.ws-status-dot.reconnecting {
  background: var(--accent-warning);
  animation: pulse 1.5s ease-in-out infinite;
}

.ws-status-dot.disconnected {
  background: var(--accent-danger);
}

/* ============================================================
   Onboarding Wizard
   ============================================================ */

.wizard-step {
  display: none;
}

.wizard-step.active {
  display: block;
}

.wizard-user-id {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--accent-primary);
  text-align: center;
  padding: var(--space-lg) 0;
  letter-spacing: 0.15em;
  font-family: monospace;
}

.wizard-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  min-height: var(--min-touch-target);
  margin: 0 auto;
}

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

.wizard-instructions {
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
  padding: var(--space-md) 0;
}

.wizard-wait {
  text-align: center;
  padding: var(--space-xl) 0;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.wizard-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-md);
}

.wizard-hint {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
}

.wizard-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.wizard-actions .btn {
  flex: 1;
}

.wizard-step-indicator {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.wizard-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
}

.wizard-dot.active {
  background: var(--accent-primary);
}

/* ============================================================
   New Device Card Highlight
   ============================================================ */

@keyframes card-glow {
  0% { box-shadow: 0 0 0 2px var(--accent-primary), 0 0 16px rgba(79, 143, 255, 0.4); }
  100% { box-shadow: var(--shadow); }
}

.device-card.new-highlight {
  animation: card-glow 2s ease-out;
}

/* ============================================================
   Controls Disabled State
   ============================================================ */

.controls-section.ws-disconnected {
  opacity: 0.5;
  pointer-events: none;
}

.controls-disabled-notice {
  text-align: center;
  color: var(--accent-warning);
  font-size: var(--font-size-sm);
  padding: var(--space-sm);
  margin-bottom: var(--space-md);
  display: none;
}

.controls-section.ws-disconnected ~ .controls-disabled-notice {
  display: block;
}

.low-water-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  background: color-mix(in srgb, var(--accent-warning) 18%, transparent);
  color: var(--accent-warning);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.low-water-label[hidden] {
  display: none;
}