/* ============================================================
   BetaReads — Material 3 Component Styles
   ============================================================ */

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--md-surface-container-low);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--elevation-1);
  transition: box-shadow var(--motion-duration-short) var(--motion-easing-standard),
              transform var(--motion-duration-short) var(--motion-easing-standard);
}

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

.card-elevated {
  background: var(--md-surface);
  box-shadow: var(--elevation-2);
}

.card-elevated:hover {
  box-shadow: var(--elevation-3);
}

.card-outlined {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  box-shadow: none;
}

.card-outlined:hover {
  background: var(--md-surface-container-low);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font: var(--text-label-large);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  min-height: 40px;
  text-decoration: none;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--motion-duration-short);
  border-radius: inherit;
}

.btn:hover::after {
  opacity: 0.08;
}

.btn:active::after {
  opacity: 0.12;
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* Filled */
.btn-filled {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

/* Filled Tonal */
.btn-tonal {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

/* Outlined */
.btn-outlined {
  background: transparent;
  color: var(--md-primary);
  border: 1px solid var(--md-outline);
}

/* Text */
.btn-text {
  background: transparent;
  color: var(--md-primary);
  padding: 10px 12px;
}

/* Icon button */
.btn-icon {
  padding: 8px;
  border-radius: var(--radius-full);
  min-height: 40px;
  min-width: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--md-on-surface-variant);
}

.btn-icon:hover {
  background: var(--md-surface-variant);
}

/* Button sizes */
.btn-sm {
  padding: 6px 16px;
  font: var(--text-label-medium);
  min-height: 32px;
}

.btn-lg {
  padding: 12px 32px;
  font: var(--text-title-medium);
  min-height: 48px;
}

/* ── FAB (Floating Action Button) ──────────────────────────── */
.fab {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  box-shadow: var(--elevation-3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all var(--motion-duration-medium) var(--motion-easing-standard);
  z-index: 50;
}

.fab:hover {
  box-shadow: var(--elevation-4);
  transform: scale(1.05);
}

.fab-extended {
  width: auto;
  padding: 0 var(--space-md) 0 var(--space-md);
  gap: var(--space-sm);
  border-radius: var(--radius-lg);
  font: var(--text-label-large);
}

.fab svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* ── Chips ─────────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font: var(--text-label-medium);
  border: 1px solid var(--md-outline-variant);
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: default;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  white-space: nowrap;
}

.chip-filled {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  border-color: transparent;
}

.chip-status-new {
  background: var(--md-success-container);
  color: var(--md-success);
  border-color: transparent;
}

.chip-status-edited {
  background: var(--md-warning-container);
  color: var(--md-warning);
  border-color: transparent;
}

.chip-status-deleted {
  background: var(--md-error-container);
  color: var(--md-error);
  border-color: transparent;
}

.chip-interactive {
  cursor: pointer;
}

.chip-interactive:hover {
  background: var(--md-surface-variant);
}

.chip-interactive.selected {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  border-color: transparent;
}

/* ── Form Inputs ───────────────────────────────────────────── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.input-group label {
  font: var(--text-label-large);
  color: var(--md-on-surface-variant);
}

.input-group .input-helper {
  font: var(--text-body-small);
  color: var(--md-on-surface-variant);
}

.input-group .input-error {
  font: var(--text-body-small);
  color: var(--md-error);
}

.input-field {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--md-outline);
  border-radius: var(--radius-sm);
  background: var(--md-surface);
  color: var(--md-on-surface);
  font: var(--text-body-large);
  transition: border-color var(--motion-duration-short) var(--motion-easing-standard),
              box-shadow var(--motion-duration-short) var(--motion-easing-standard);
}

.input-field:hover {
  border-color: var(--md-on-surface);
}

.input-field:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: 0 0 0 1px var(--md-primary);
}

.input-field::placeholder {
  color: var(--md-on-surface-variant);
  opacity: 0.6;
}

.input-field.error {
  border-color: var(--md-error);
  box-shadow: 0 0 0 1px var(--md-error);
}

textarea.input-field {
  resize: vertical;
  min-height: 100px;
}

/* Select */
select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2379747E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* ── Toggle Switch ─────────────────────────────────────────── */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font: var(--text-label-large);
  color: var(--md-on-surface);
}

.toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  width: 52px;
  height: 32px;
  background: var(--md-surface-variant);
  border: 2px solid var(--md-outline);
  border-radius: var(--radius-full);
  position: relative;
  transition: all var(--motion-duration-medium) var(--motion-easing-standard);
  flex-shrink: 0;
}

.toggle-thumb {
  width: 16px;
  height: 16px;
  background: var(--md-outline);
  border-radius: var(--radius-full);
  position: absolute;
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
  transition: all var(--motion-duration-medium) var(--motion-easing-standard);
}

.toggle input:checked + .toggle-track {
  background: var(--md-primary);
  border-color: var(--md-primary);
}

.toggle input:checked + .toggle-track .toggle-thumb {
  background: var(--md-on-primary);
  left: calc(100% - 22px);
  width: 24px;
  height: 24px;
}

.toggle input:focus-visible + .toggle-track {
  outline: 3px solid var(--md-primary);
  outline-offset: 2px;
}

/* ── Checkbox ──────────────────────────────────────────────── */
.checkbox {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  font: var(--text-body-medium);
  color: var(--md-on-surface);
}

.checkbox input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--md-outline);
  border-radius: var(--radius-xs);
  flex-shrink: 0;
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  position: relative;
  margin-top: 2px;
}

.checkbox input[type="checkbox"]:checked {
  background: var(--md-primary);
  border-color: var(--md-primary);
}

.checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--md-on-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ── Radio Buttons ─────────────────────────────────────────── */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font: var(--text-body-medium);
  color: var(--md-on-surface);
}

.radio input[type="radio"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--md-outline);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  position: relative;
}

.radio input[type="radio"]:checked {
  border-color: var(--md-primary);
}

.radio input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--md-primary);
  border-radius: var(--radius-full);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ── Slider ────────────────────────────────────────────────── */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font: var(--text-label-large);
  color: var(--md-on-surface-variant);
}

.slider-group .slider-value {
  font: var(--text-title-medium);
  color: var(--md-primary);
  min-width: 28px;
  text-align: right;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--md-surface-variant);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--md-primary);
  cursor: pointer;
  box-shadow: var(--elevation-1);
  transition: transform var(--motion-duration-short) var(--motion-easing-standard);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--md-primary);
  cursor: pointer;
}

/* ── Modal / Dialog ────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--md-scrim-heavy);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--motion-duration-medium) var(--motion-easing-standard),
              visibility var(--motion-duration-medium);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--md-surface-container-high);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  z-index: var(--z-modal);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: all var(--motion-duration-medium) var(--motion-easing-emphasized);
}

.modal.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

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

.modal-header h2 {
  font: var(--text-headline-small);
  color: var(--md-on-surface);
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
}

.modal-wide {
  max-width: 720px;
}

/* ── Snackbar ──────────────────────────────────────────────── */
.snackbar-container {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-snackbar);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  pointer-events: none;
}

.snackbar {
  background: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font: var(--text-body-medium);
  box-shadow: var(--elevation-3);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 320px;
  max-width: 560px;
  pointer-events: auto;
  animation: snackbarIn var(--motion-duration-medium) var(--motion-easing-decelerate) forwards;
}

.snackbar.closing {
  animation: snackbarOut var(--motion-duration-short) var(--motion-easing-accelerate) forwards;
}

.snackbar-action {
  color: var(--md-inverse-primary);
  font: var(--text-label-large);
  cursor: pointer;
  background: none;
  border: none;
  margin-left: auto;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

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

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

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--md-outline-variant);
  border: none;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--md-outline-variant);
}

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font: var(--text-label-small);
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.badge-secondary {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.badge-tertiary {
  background: var(--md-tertiary-container);
  color: var(--md-on-tertiary-container);
}

/* ── Tooltip ───────────────────────────────────────────────── */
.tooltip {
  position: absolute;
  background: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  font: var(--text-body-small);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
  z-index: var(--z-tooltip);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--motion-duration-short) var(--motion-easing-standard);
}

.tooltip.visible {
  opacity: 1;
}

/* ── Progress Bar ──────────────────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--md-surface-variant);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--md-primary);
  border-radius: var(--radius-full);
  transition: width var(--motion-duration-medium) var(--motion-easing-standard);
}

/* ── Spinner ───────────────────────────────────────────────── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--md-surface-variant);
  border-top-color: var(--md-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Sync Status Indicator ─────────────────────────────────── */
.sync-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font: var(--text-label-medium);
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.sync-dot.synced { background: var(--md-success); }
.sync-dot.syncing {
  background: var(--md-warning);
  animation: pulse 1.5s ease-in-out infinite;
}
.sync-dot.offline { background: var(--md-error); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

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

.empty-state-icon {
  font-size: 64px;
  opacity: 0.6;
}

.empty-state h3 {
  font: var(--text-headline-small);
  color: var(--md-on-surface);
}

.empty-state p {
  font: var(--text-body-large);
  color: var(--md-on-surface-variant);
  max-width: 400px;
}

/* ── Tabs ──────────────────────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--md-outline-variant);
  overflow-x: auto;
}

.tab {
  padding: 12px 24px;
  font: var(--text-label-large);
  color: var(--md-on-surface-variant);
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color var(--motion-duration-short) var(--motion-easing-standard);
}

.tab:hover {
  color: var(--md-on-surface);
  background: var(--md-surface-variant);
}

.tab.active {
  color: var(--md-primary);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--md-primary);
  border-radius: var(--radius-full) var(--radius-full) 0 0;
}

/* ── Table ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font: var(--text-body-medium);
}

.data-table thead {
  background: var(--md-surface-container);
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font: var(--text-title-small);
  color: var(--md-on-surface-variant);
  border-bottom: 1px solid var(--md-outline-variant);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-surface-variant);
  color: var(--md-on-surface);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table tbody tr:hover {
  background: var(--md-surface-container-low);
}

/* ── Code Block (for Apps Script display) ──────────────────── */
.code-block {
  background: var(--md-surface-container-highest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--md-on-surface);
  max-height: 400px;
  overflow-y: auto;
}

/* ── Star Rating ───────────────────────────────────────────── */
.star-rating {
  display: flex;
  gap: var(--space-xs);
  font-size: 32px;
}

.star-rating .star {
  cursor: pointer;
  color: var(--md-outline-variant);
  transition: color var(--motion-duration-short) var(--motion-easing-standard),
              transform var(--motion-duration-short) var(--motion-easing-standard);
}

.star-rating .star:hover,
.star-rating .star.active {
  color: var(--md-warning);
  transform: scale(1.15);
}

/* ── Emoji Picker ──────────────────────────────────────────── */
.emoji-picker {
  display: flex;
  gap: var(--space-sm);
}

.emoji-picker .emoji-option {
  font-size: 32px;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  border: 2px solid transparent;
  background: transparent;
}

.emoji-picker .emoji-option:hover {
  background: var(--md-surface-variant);
  transform: scale(1.15);
}

.emoji-picker .emoji-option.selected {
  border-color: var(--md-primary);
  background: var(--md-primary-container);
}

/* ── Stepper (for wizard) ──────────────────────────────────── */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

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

.stepper-circle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font: var(--text-label-large);
  background: var(--md-surface-variant);
  color: var(--md-on-surface-variant);
  transition: all var(--motion-duration-medium) var(--motion-easing-standard);
  flex-shrink: 0;
}

.stepper-step.active .stepper-circle {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.stepper-step.completed .stepper-circle {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.stepper-label {
  font: var(--text-label-large);
  color: var(--md-on-surface-variant);
}

.stepper-step.active .stepper-label {
  color: var(--md-on-surface);
}

.stepper-line {
  flex: 1;
  height: 2px;
  background: var(--md-outline-variant);
  min-width: 24px;
}

.stepper-step.completed + .stepper-line {
  background: var(--md-primary);
}

/* ── Info Box ──────────────────────────────────────────────── */
.info-box {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font: var(--text-body-medium);
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.info-box-icon {
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1;
}

.warning-box {
  background: var(--md-warning-container);
  color: var(--md-on-surface);
}

/* ── Password Field ────────────────────────────────────────── */
.password-field {
  position: relative;
}

.password-field .input-field {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-full);
}

.password-toggle:hover {
  background: var(--md-surface-variant);
}

/* ── Copy Button ───────────────────────────────────────────── */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  font: var(--text-label-medium);
  color: var(--md-primary);
  background: var(--md-primary-container);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
}

.copy-btn:hover {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.copy-btn.copied {
  background: var(--md-success-container);
  color: var(--md-success);
}

/* ── Lockout Countdown ─────────────────────────────────────── */
.lockout-bar {
  background: var(--md-error-container);
  color: var(--md-on-error-container);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  font: var(--text-body-medium);
}

.lockout-bar .countdown {
  font: var(--text-title-large);
  color: var(--md-error);
}