/* Home Automation Hub Styles */

:root {
  --primary-color: #1976d2;
  --primary-dark: #1565c0;
  --secondary-color: #757575;
  --success-color: #4caf50;
  --danger-color: #f44336;
  --warning-color: #ff9800;
  --background: #f5f5f5;
  --card-background: #ffffff;
  --text-primary: #212121;
  --text-secondary: #757575;
  --border-color: #e0e0e0;
  --shadow: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-hover: 0 4px 8px rgba(0,0,0,0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--background);
  font-family: 'Roboto', sans-serif;
  color: var(--text-primary);
  overflow-x: hidden;
}

.hub-container {
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0;
  width: 100%;
}

/* Control Bar */
.control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: white;
  border-bottom: 1px solid var(--border-color);
}

.device-count {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Devices Grid */
.devices-grid {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
  position: relative;
}

.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state .material-icons {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  margin: 0.5rem 0;
  font-weight: 500;
}

.empty-state p {
  margin: 0.5rem 0;
}

/* Device Card */
.device-card {
  background: var(--card-background);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

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

.device-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--background);
  color: var(--primary-color);
}

.device-icon .material-icons {
  font-size: 2rem;
}

.device-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: background-color 0.2s;
}

.device-menu-btn:hover {
  background: var(--background);
}

.device-info {
  flex: 1;
}

.device-name {
  margin: 0 0 0.25rem 0;
  font-size: 1.25rem;
  font-weight: 500;
}

.device-type {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.device-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.control-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.control-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  min-width: 80px;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.3s;
  border-radius: 28px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary-color);
}

input:checked + .slider:before {
  transform: translateX(22px);
}

/* Brightness Slider */
.brightness-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  background: linear-gradient(to right, #000 0%, #fff 100%);
}

.brightness-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: var(--shadow);
}

.brightness-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow);
}

.brightness-slider:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.brightness-value {
  min-width: 45px;
  text-align: right;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Color Picker */
.color-picker {
  width: 60px;
  height: 36px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.color-picker:hover {
  border-color: var(--primary-color);
}

.color-picker:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Temperature Input & Mode Select */
.temp-input,
.mode-select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: 'Roboto', sans-serif;
  background: white;
  transition: border-color 0.2s;
}

.temp-input:focus,
.mode-select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.temp-input {
  width: 70px;
  text-align: center;
}

.mode-select {
  flex: 1;
}

/* Control Value Display */
.control-value {
  font-weight: 500;
  color: var(--text-primary);
}

/* Device State (for generic cards) */
.device-state {
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.device-state pre {
  margin: 0;
  padding: 0.5rem;
  background: var(--background);
  border-radius: 4px;
  font-size: 0.75rem;
  overflow-x: auto;
}

/* Buttons */
.md3-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-family: 'Roboto', sans-serif;
  cursor: pointer;
  transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
  font-weight: 500;
}

.md3-btn:active {
  transform: scale(0.98);
}

.md3-btn.primary {
  background-color: var(--primary-color);
  color: white;
}

.md3-btn.primary:hover {
  background-color: var(--primary-dark);
}

.md3-btn.secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

.md3-btn.secondary:hover {
  background-color: var(--background);
}

.md3-btn.danger {
  background-color: var(--danger-color);
  color: white;
}

.md3-btn.danger:hover {
  background-color: #d32f2f;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: white;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  animation: modalSlideIn 0.2s ease-out;
}

.modal-content.small {
  max-width: 400px;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 500;
}

.close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: background-color 0.2s;
}

.close-btn:hover {
  background: var(--background);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Form Groups */
.form-group {
  margin-bottom: 1.5rem;
}

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

.form-group input[type="text"],
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: 'Roboto', sans-serif;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group input[type="text"]:read-only {
  background-color: var(--background);
  color: var(--text-secondary);
}

.type-info {
  margin-top: 0.5rem;
  padding: 0.75rem;
  background-color: var(--background);
  border-radius: 6px;
  border-left: 3px solid var(--primary-color);
}

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

.warning-text {
  color: var(--danger-color);
  font-size: 0.9rem;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2000;
  transform: translateY(150%);
  transition: transform 0.3s ease-out;
}

.toast.show {
  transform: translateY(0);
}

.toast.success {
  border-left: 4px solid var(--success-color);
}

.toast.success .material-icons {
  color: var(--success-color);
}

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

.toast.error .material-icons {
  color: var(--danger-color);
}

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

.toast.warning .material-icons {
  color: var(--warning-color);
}

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

.toast.info .material-icons {
  color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hub-header {
    padding: 1.5rem 1rem;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .header-left h1 {
    font-size: 1.5rem;
  }
  
  .header-left .material-icons {
    font-size: 2rem;
  }
  
  .header-right {
    width: 100%;
    justify-content: flex-start;
  }

  .control-bar {
    padding: 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .devices-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1rem;
  }

  .modal-content {
    width: 95%;
    margin: 1rem;
  }

  .toast {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }
  
  .device-card {
    padding: 1.25rem;
  }
  
  .modal-header h2 {
    font-size: 1.25rem;
  }
  
  .modal-body,
  .modal-header,
  .modal-footer {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .hub-header {
    padding: 1rem 0.75rem;
  }
  
  .header-left {
    gap: 0.5rem;
  }
  
  .header-left h1 {
    font-size: 1.25rem;
  }
  
  .header-left .material-icons {
    font-size: 1.75rem;
  }
  
  .header-right {
    gap: 0.5rem;
  }
  
  .nav-link {
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .nav-link .material-icons {
    font-size: 1.25rem;
  }
  
  .nav-link span:not(.material-icons) {
    display: none;
  }
  
  .devices-grid {
    padding: 0.75rem;
    gap: 0.75rem;
  }
  
  .device-card {
    padding: 1rem;
  }
  
  .device-name {
    font-size: 1.1rem;
  }
  
  .device-type {
    font-size: 0.85rem;
  }
  
  .control-row {
    gap: 0.75rem;
  }
  
  .control-label {
    min-width: 70px;
    font-size: 0.85rem;
  }
  
  .brightness-value {
    min-width: 40px;
    font-size: 0.85rem;
  }
  
  .md3-btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.95rem;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .md3-btn {
    width: 100%;
    justify-content: center;
  }
  
  .empty-state {
    padding: 3rem 1rem;
  }
  
  .empty-state .material-icons {
    font-size: 3rem;
  }
}