/* App-specific styles */

.app {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.loading-screen {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background);
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* Screen container */
.screen-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
.screen-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  z-index: 100;
}

.screen-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

/* Content area */
.screen-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}

/* Grid layouts */
.grid-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.grid-item {
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  min-height: 120px;
  display: flex;
  flex-direction: column;
}

.grid-item:hover,
.grid-item:focus {
  border-color: var(--focus-color);
  background: var(--surface-hover);
  transform: translateY(-2px);
  outline: none;
}

.grid-item.focused {
  border-color: var(--focus-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.3);
}

/* Buttons */
.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  background: var(--secondary-color);
  color: var(--text-primary);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.btn:focus {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-hover);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background: #5a6268;
}

.btn-icon {
  background: transparent;
  padding: var(--spacing-xs);
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
}

.btn-icon:hover,
.btn-icon:focus {
  background: var(--surface-hover);
}

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

.btn-danger:hover,
.btn-danger:focus {
  background: #c82333;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-state p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--surface);
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-body {
  padding: var(--spacing-lg);
}

/* Form styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 1rem;
  min-height: 44px;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--focus-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.3);
}

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}

/* Kill switch overlay */
.killswitch-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.killswitch-overlay.hidden {
  display: none;
}

.killswitch-content {
  text-align: center;
  padding: var(--spacing-xl);
  max-width: 600px;
}

.killswitch-content h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--error-color);
}

.killswitch-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .grid-list {
    grid-template-columns: 1fr;
  }

  .screen-title {
    font-size: 1.5rem;
  }
}

@media (min-width: 1920px) {
  .screen-title {
    font-size: 2.5rem;
  }

  .btn {
    font-size: 1.125rem;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}