/* ============================================================
   COMPONENT STYLES — SmartHome Dashboard
   Reusable UI components
   ============================================================ */

/* ── Glass Card ── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

.glass-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.glass-card--flat:hover {
  transform: none;
}

.glass-card--compact {
  padding: 12px 14px;
  border-radius: var(--radius-lg);
}

/* ── Toggle Switch ── */
.toggle {
  position: relative;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle__track {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toggle__track::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 2px;
  bottom: 2px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: all var(--transition-spring);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.toggle input:checked + .toggle__track {
  background: var(--accent-orange);
  border-color: transparent;
  box-shadow: var(--shadow-glow-orange);
}

.toggle input:checked + .toggle__track::before {
  transform: translateX(24px);
  background: white;
}

/* Green variant */
.toggle--green input:checked + .toggle__track {
  background: var(--accent-green);
  box-shadow: var(--shadow-glow-green);
}

/* Blue variant */
.toggle--blue input:checked + .toggle__track {
  background: var(--accent-blue);
  box-shadow: var(--shadow-glow-blue);
}

/* ── Slider / Range ── */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: background var(--transition-fast);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  border: 2px solid var(--accent-orange);
  transition: all var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 12px rgba(255, 107, 53, 0.4);
}

.slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  border: 2px solid var(--accent-orange);
}

.slider--blue::-webkit-slider-thumb {
  border-color: var(--accent-blue);
}
.slider--blue::-moz-range-thumb {
  border-color: var(--accent-blue);
}

.slider--yellow::-webkit-slider-thumb {
  border-color: var(--accent-yellow);
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  min-height: 40px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255,255,255,0.1);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--gradient-warm);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow-orange);
}

.btn--secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

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

.btn--icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.btn--icon:hover {
  background: var(--glass-bg-strong);
}

.btn--sm {
  min-height: 32px;
  padding: var(--space-2xs) var(--space-md);
  font-size: var(--font-size-xs);
}

.btn--lg {
  min-height: 48px;
  padding: var(--space-sm) var(--space-xl);
  font-size: var(--font-size-md);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.badge--active {
  background: var(--accent-green-glow);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.badge--warning {
  background: var(--accent-yellow-glow);
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
}

.badge--danger {
  background: var(--accent-red-glow);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.badge--info {
  background: var(--accent-blue-glow);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ── Stat Card ── */
.stat-card {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  flex-shrink: 0;
}

.stat-card__icon--warm {
  background: var(--accent-orange-glow);
  color: var(--accent-orange);
}

.stat-card__icon--cool {
  background: var(--accent-blue-glow);
  color: var(--accent-blue);
}

.stat-card__icon--green {
  background: var(--accent-green-glow);
  color: var(--accent-green);
}

.stat-card__icon--purple {
  background: var(--accent-purple-glow);
  color: var(--accent-purple);
}

.stat-card__value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  white-space: nowrap;
}

.stat-card__label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .stat-card {
    flex-direction: column;
    text-align: center;
    gap: 6px;
  }

  .stat-card__icon {
    width: 36px;
    height: 36px;
    margin: 0 auto;
  }

  .stat-card__icon svg {
    width: 18px;
    height: 18px;
  }

  .stat-card__value {
    font-size: var(--font-size-lg);
    line-height: 1.1;
  }

  .stat-card__label {
    font-size: 10px;
    margin-top: 1px;
  }

  .glass-card--compact {
    padding: 10px 6px;
  }
}

/* ── Device Icon ── */
.device-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.device-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--text-secondary);
  stroke-width: 1.8;
  fill: none;
  transition: all var(--transition-base);
}

.device-icon--active {
  background: var(--accent-orange-glow);
}

.device-icon--active svg {
  stroke: var(--accent-orange);
}

.device-icon--cool.device-icon--active {
  background: var(--accent-blue-glow);
}

.device-icon--cool.device-icon--active svg {
  stroke: var(--accent-blue);
}

.device-icon--light.device-icon--active {
  background: var(--accent-yellow-glow);
}

.device-icon--light.device-icon--active svg {
  stroke: var(--accent-yellow);
}

.device-icon--security.device-icon--active {
  background: var(--accent-green-glow);
}

.device-icon--security.device-icon--active svg {
  stroke: var(--accent-green);
}

/* ── Room Chip ── */
.room-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.room-chip:hover {
  background: var(--glass-bg-strong);
}

.room-chip--active {
  background: var(--accent-orange-glow);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* ── Section Header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.section-header__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.section-header__subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.empty-state__icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  opacity: 0.3;
}

.empty-state__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.empty-state__text {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  max-width: 300px;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--glass-border);
  border: none;
  margin: var(--space-lg) 0;
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: calc(var(--nav-height-mobile) + var(--space-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-xs);
  pointer-events: none;
}

.toast {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.4s var(--transition-spring) forwards;
  pointer-events: auto;
  white-space: nowrap;
}

.toast--success {
  border-color: var(--accent-green);
}

.toast--error {
  border-color: var(--accent-red);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.toast--exit {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
  }
}

/* ── Circular Gauge ── */
.circular-gauge {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.circular-gauge__svg {
  transform: rotate(-90deg);
}

.circular-gauge__bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
}

.circular-gauge__fill {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.circular-gauge__value {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.circular-gauge__number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.circular-gauge__unit {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

/* ── Mode Selector ── */
.mode-selector {
  display: flex;
  gap: var(--space-xs);
  background: var(--glass-bg);
  border-radius: var(--radius-full);
  padding: 4px;
  border: 1px solid var(--glass-border);
}

.mode-selector__option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.mode-selector__option--active {
  background: var(--accent-orange);
  color: white;
  box-shadow: var(--shadow-sm);
}

.mode-selector__option--active.mode-selector__option--cool {
  background: var(--accent-blue-deep);
}

.mode-selector__option--active.mode-selector__option--heat {
  background: var(--accent-orange);
}

.mode-selector__option--active.mode-selector__option--auto {
  background: var(--accent-blue);
}

.mode-selector__option--active.mode-selector__option--eco {
  background: var(--accent-green);
}

.mode-selector__option svg {
  width: 16px;
  height: 16px;
}

/* ── Skeleton Loading ── */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Pulse Dot ── */
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.pulse-dot--active {
  background: var(--accent-green);
}

.pulse-dot--active::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--accent-green);
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.5); opacity: 0; }
}

.pulse-dot--inactive {
  background: var(--text-tertiary);
}

.pulse-dot--alert {
  background: var(--accent-red);
}

.pulse-dot--alert::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--accent-red);
  animation: pulse-ring 1.5s ease-in-out infinite;
}

/* ── Modal Dialog ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-md);
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  width: 100%;
  max-width: 440px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  position: relative;
}

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

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.modal-close {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.16);
  color: white;
}

.form-group {
  margin-bottom: var(--space-md);
  text-align: left;
}

.form-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-orange);
  background: rgba(255, 255, 255, 0.08);
}

/* ── Thermostat Preset Chips & Controls ── */
.preset-chips-row {
  display: flex;
  gap: var(--space-xs);
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--space-md) auto;
  max-width: 460px;
}

.preset-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
  user-select: none;
}

.preset-chip:hover {
  background: var(--glass-bg-strong);
  border-color: rgba(255, 107, 53, 0.4);
  transform: translateY(-1px);
}

.preset-chip--active {
  background: rgba(255, 107, 53, 0.22);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.3);
  font-weight: var(--font-weight-semibold);
}

.flame-pulse {
  display: inline-block;
  animation: flamePulse 1.2s ease-in-out infinite alternate;
}

@keyframes flamePulse {
  0% { transform: scale(1); filter: drop-shadow(0 0 2px rgba(255, 107, 53, 0.4)); }
  100% { transform: scale(1.18); filter: drop-shadow(0 0 8px rgba(255, 107, 53, 0.85)); }
}

/* ── Security Alarm & Keypad ── */
.alarm-hero {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.alarm-hero--disarmed {
  background: radial-gradient(circle at 50% 30%, rgba(102, 187, 106, 0.12) 0%, rgba(10, 14, 23, 0.6) 70%);
  border: 1px solid rgba(102, 187, 106, 0.25);
}

.alarm-hero--home {
  background: radial-gradient(circle at 50% 30%, rgba(255, 167, 38, 0.15) 0%, rgba(10, 14, 23, 0.6) 70%);
  border: 1px solid rgba(255, 167, 38, 0.3);
}

.alarm-hero--away {
  background: radial-gradient(circle at 50% 30%, rgba(239, 83, 80, 0.16) 0%, rgba(10, 14, 23, 0.6) 70%);
  border: 1px solid rgba(239, 83, 80, 0.35);
}

.alarm-hero--triggered {
  background: radial-gradient(circle at 50% 30%, rgba(255, 23, 68, 0.3) 0%, rgba(30, 0, 0, 0.8) 70%);
  border: 2px solid var(--accent-red);
  animation: alarmFlash 1s infinite alternate;
}

@keyframes alarmFlash {
  0% { box-shadow: 0 0 20px rgba(255, 23, 68, 0.4); }
  100% { box-shadow: 0 0 45px rgba(255, 23, 68, 0.85); }
}

.alarm-hero__icon-circle {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.alarm-hero__icon-circle svg {
  width: 38px;
  height: 38px;
}

.alarm-hero__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
}

.alarm-hero__subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* Keypad PIN Modal */
.pin-display {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  transition: all 0.2s ease;
}

.pin-dot--filled {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.6);
  transform: scale(1.15);
}

.keypad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 280px;
  margin: 0 auto;
}

.keypad-btn {
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  font-size: 1.4rem;
  font-weight: var(--font-weight-semibold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.keypad-btn:active {
  background: rgba(255, 107, 53, 0.3);
  border-color: var(--accent-orange);
  transform: scale(0.92);
}

.keypad-btn--action {
  font-size: 0.95rem;
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}

.keypad-btn--action:active {
  background: rgba(255, 255, 255, 0.08);
}

.keypad-shake {
  animation: keypadShake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes keypadShake {
  10%, 90% { transform: translate3d(-3px, 0, 0); }
  20%, 80% { transform: translate3d(5px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
  40%, 60% { transform: translate3d(6px, 0, 0); }
}

.sos-badge {
  background: rgba(255, 23, 68, 0.18);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sos-badge:hover {
  background: rgba(255, 23, 68, 0.35);
  box-shadow: 0 0 14px rgba(255, 23, 68, 0.4);
}