/**
 * OUR Components CSS - Buttons, Cards, Forms, etc.
 * Based on the OUR Interactive Classroom (IC) design system.
 */

/* ============================================
 * BUTTONS
 * IC-style tactile buttons with sheen effects
 * ============================================ */

.our-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--our-spacing-2);
  padding: 0.25rem 1rem 0.25rem;
  min-width: 8rem;
  min-height: 2.25rem;
  font-family: var(--our-font-family);
  font-size: var(--our-font-size-sm);
  text-transform: uppercase;
  font-weight: 600;
  line-height: 1.5;
  vertical-align: bottom;
  text-align: center;
  text-decoration: none;
  color: var(--our-color-text);
  background-color: var(--our-color-gray-50);
  border-radius: var(--our-radius-md);
  border-width: var(--our-border-width);
  border-style: solid;
  border-color: rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.375) rgba(0, 0, 0, 0.125);
  cursor: pointer;
  box-shadow:
    inset 0 0.0625em 0.1em 0.125em var(--our-color-sheer-white-75),
    0 0 0 0 transparent;
  transition: none;
}

.our-btn:hover:not(:disabled) {
  color: var(--our-color-primary-dark);
  box-shadow:
    inset 0 0.0625em 0 0.125em #fff,
    0 0.125em 0.25em 0.125em rgba(0, 0, 0, 0.0625);
}

.our-btn:active:not(:disabled) {
  box-shadow:
    inset 0 0.0625em 0.1em 0.125em var(--our-color-sheer-white-75),
    0 0 0 0 transparent;
  border-color: rgba(0, 0, 0, 0.375) rgba(0, 0, 0, 0.375) rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.375);
}

.our-btn:focus-visible:not(:disabled) {
  box-shadow:
    inset 0 0.0625em 0 0.125em #fff,
    0 0.125em 0.25em 0.125em rgba(0, 0, 0, 0.0625),
    0 0 0 0.15em var(--our-color-bg),
    0 0 0 0.3em var(--our-color-primary-dark);
}

.our-btn:disabled {
  cursor: default;
  box-shadow: none;
  border-color: transparent;
  opacity: 0.65;
}

.our-btn:disabled:hover {
  color: var(--our-color-text);
}

/* Primary Button - IC "hot" style */
.our-btn--primary {
  font-weight: 700;
  background-color: var(--our-color-primary-dark);
  color: var(--our-color-text-inverse);
  border-color: rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.375) rgba(0, 0, 0, 0.125);
  box-shadow:
    inset 0 0.0625em 0.1em 0.125em transparent,
    0 0 0 0 transparent;
}

.our-btn--primary:hover:not(:disabled) {
  color: var(--our-color-text-inverse);
  box-shadow:
    inset 0 0.0625em 0 0.125em var(--our-color-primary),
    0 0.125em 0.25em 0.125em rgba(0, 0, 0, 0.0625);
}

/* Secondary Button */
.our-btn--secondary {
  font-weight: 700;
  background-color: var(--our-color-secondary);
  color: var(--our-color-text);
  border-color: rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.375) rgba(0, 0, 0, 0.125);
}

.our-btn--secondary:hover:not(:disabled) {
  color: var(--our-color-text);
  box-shadow:
    inset 0 0.0625em 0 0.125em var(--our-color-secondary-light),
    0 0.125em 0.25em 0.125em rgba(0, 0, 0, 0.0625);
}

/* Outline Button */
.our-btn--outline {
  background: transparent;
  color: var(--our-color-primary-dark);
  border-color: var(--our-color-primary-dark);
}

.our-btn--outline:hover:not(:disabled) {
  background: var(--our-color-primary-dark);
  color: var(--our-color-text-inverse);
}

/* Ghost Button */
.our-btn--ghost {
  background: transparent;
  color: var(--our-color-text);
  border-color: transparent;
  box-shadow: none;
}

.our-btn--ghost:hover:not(:disabled) {
  background: var(--our-color-gray-50);
  box-shadow: none;
}

/* Danger Button */
.our-btn--danger {
  font-weight: 700;
  background: var(--our-color-danger);
  color: var(--our-color-text-inverse);
  border-color: rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.125) rgba(0, 0, 0, 0.375) rgba(0, 0, 0, 0.125);
}

.our-btn--danger:hover:not(:disabled) {
  background: var(--our-color-danger-dark);
  color: var(--our-color-text-inverse);
}

/* Button Sizes */
.our-btn--sm {
  padding: 0.125rem 1rem 0.25rem;
  font-size: var(--our-font-size-sm);
  min-width: 6rem;
}

.our-btn--lg {
  padding: 0.375rem 2.5rem 0.5rem;
  font-size: var(--our-font-size-lg);
}

/* Full Width */
.our-btn--block {
  display: flex;
  width: 100%;
}

/* Icon Button */
.our-btn--icon {
  padding: var(--our-spacing-2);
  min-width: unset;
}

.our-btn--icon svg {
  width: 20px;
  height: 20px;
}

/* ============================================
 * CARDS
 * IC panel style with shadow
 * ============================================ */

.our-card {
  background: var(--our-color-card, #ffffff);
  border-radius: var(--our-radius-md);
  box-shadow: var(--our-shadow-md);
  overflow: hidden;
}

.our-card--elevated {
  box-shadow: var(--our-shadow-lg);
}

.our-card--hoverable {
  transition: box-shadow var(--our-transition-fast);
}

.our-card--hoverable:hover {
  box-shadow: var(--our-shadow-lg);
}

.our-card__header {
  padding: var(--our-spacing-6);
}

.our-card__header--compact {
  padding-bottom: var(--our-spacing-2);
}

.our-card__header--row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.our-card__title {
  font-size: var(--our-font-size-2xl);
  font-family: var(--our-font-family-display);
  font-weight: var(--our-font-weight-bold);
  line-height: var(--our-line-height-tight);
  letter-spacing: -0.025em;
  margin: 0;
}

.our-card__subtitle {
  font-size: var(--our-font-size-sm);
  color: var(--our-color-text-secondary);
  margin: var(--our-spacing-1) 0 0 0;
}

.our-card__body {
  padding: var(--our-spacing-6);
  padding-top: 0;
}

.our-card__footer {
  padding: var(--our-spacing-4) var(--our-spacing-6);
  border-top: var(--our-border-width) solid var(--our-color-border);
  background: var(--our-color-bg-alt);
}

/* ============================================
 * FORM ELEMENTS
 * IC form styling
 * ============================================ */

.our-form-group {
  margin-bottom: var(--our-spacing-4);
}

.our-label {
  display: block;
  margin-bottom: var(--our-spacing-2);
  font-size: var(--our-font-size-sm);
  font-weight: var(--our-font-weight-semibold);
  color: var(--our-color-text);
}

.our-input,
.our-select,
.our-textarea {
  display: block;
  width: 100%;
  padding: var(--our-spacing-3) var(--our-spacing-4);
  font-family: var(--our-font-family);
  font-size: var(--our-font-size-base);
  font-weight: var(--our-font-weight-medium);
  line-height: var(--our-line-height-normal);
  color: var(--our-color-text);
  background: var(--our-color-bg);
  border: var(--our-border-width) solid var(--our-color-border);
  border-radius: var(--our-radius-md);
  transition:
    border-color var(--our-transition-fast),
    box-shadow var(--our-transition-fast);
}

.our-input:focus,
.our-select:focus,
.our-textarea:focus {
  outline: none;
  border-color: var(--our-color-primary-dark);
  box-shadow:
    0 0 0 0.15em var(--our-color-bg),
    0 0 0 0.3em var(--our-color-primary-dark);
}

.our-input:disabled,
.our-select:disabled,
.our-textarea:disabled {
  background: var(--our-color-bg-alt);
  cursor: not-allowed;
  opacity: 0.5;
}

.our-input--error,
.our-select--error,
.our-textarea--error {
  border-color: var(--our-color-danger);
}

.our-input--error:focus,
.our-select--error:focus,
.our-textarea--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.our-form-hint {
  margin-top: var(--our-spacing-1);
  font-size: var(--our-font-size-sm);
  font-style: italic;
  color: var(--our-color-text-secondary);
}

.our-form-error {
  margin-top: var(--our-spacing-1);
  font-size: var(--our-font-size-sm);
  color: var(--our-color-danger);
}

/* Checkbox and Radio */
.our-checkbox,
.our-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--our-spacing-3);
  cursor: pointer;
}

.our-checkbox input,
.our-radio input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--our-color-primary-dark);
  cursor: pointer;
}

.our-checkbox__label,
.our-radio__label {
  font-size: var(--our-font-size-sm);
  color: var(--our-color-text);
}

/* ============================================
 * ALERTS
 * ============================================ */

.our-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--our-spacing-3);
  padding: var(--our-spacing-4);
  border-radius: var(--our-radius-md);
  font-size: var(--our-font-size-sm);
}

.our-alert__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.our-alert--info {
  background: var(--our-color-info-light);
  color: var(--our-color-info-dark);
}

.our-alert--success {
  background: var(--our-color-success-light);
  color: var(--our-color-success-dark);
}

.our-alert--warning {
  background: var(--our-color-warning-light);
  color: var(--our-color-warning-dark);
}

.our-alert--error {
  background: var(--our-color-danger-light);
  color: var(--our-color-danger-dark);
}

/* ============================================
 * TOAST NOTIFICATIONS
 * ============================================ */

.our-toast-container {
  position: fixed;
  top: var(--our-spacing-4);
  right: var(--our-spacing-4);
  z-index: var(--our-z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--our-spacing-2);
  max-width: 400px;
}

.our-toast {
  display: flex;
  align-items: center;
  gap: var(--our-spacing-3);
  padding: var(--our-spacing-3) var(--our-spacing-4);
  background: var(--our-color-gray-800);
  color: var(--our-color-text-inverse);
  border-radius: var(--our-radius-md);
  box-shadow: var(--our-shadow-lg);
  animation: our-toast-slide-in 0.3s ease;
}

.our-toast--success {
  background: var(--our-color-success);
}

.our-toast--warning {
  background: var(--our-color-warning);
  color: var(--our-color-text);
}

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

.our-toast--fade-out {
  animation: our-toast-fade-out 0.3s ease forwards;
}

.our-toast__close {
  margin-left: auto;
  padding: var(--our-spacing-1);
  background: none;
  border: none;
  color: inherit;
  opacity: 0.7;
  cursor: pointer;
  font-size: var(--our-font-size-lg);
  line-height: 1;
}

.our-toast__close:hover {
  opacity: 1;
}

@keyframes our-toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes our-toast-fade-out {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============================================
 * BADGES
 * ============================================ */

.our-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--our-spacing-1) var(--our-spacing-2);
  font-size: var(--our-font-size-xs);
  font-weight: var(--our-font-weight-medium);
  border-radius: var(--our-radius-full);
}

.our-badge--primary {
  background: var(--our-color-primary-alpha);
  color: var(--our-color-primary-dark);
}

.our-badge--success {
  background: var(--our-color-success-light);
  color: var(--our-color-success-dark);
}

.our-badge--warning {
  background: var(--our-color-warning-light);
  color: var(--our-color-warning-dark);
}

.our-badge--danger {
  background: var(--our-color-danger-light);
  color: var(--our-color-danger-dark);
}

.our-badge--gray {
  background: var(--our-color-gray-100);
  color: var(--our-color-gray-700);
}

/* ============================================
 * LOADING SPINNER
 * ============================================ */

.our-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--our-color-border);
  border-top-color: var(--our-color-primary);
  border-radius: var(--our-radius-full);
  animation: our-spin 0.8s linear infinite;
}

.our-spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.our-spinner--lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

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

/* ============================================
 * PROGRESS BAR
 * ============================================ */

.our-progress {
  width: 100%;
  height: 8px;
  background: var(--our-color-gray-100);
  border-radius: var(--our-radius-full);
  overflow: hidden;
}

.our-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--our-color-primary), var(--our-color-secondary));
  border-radius: var(--our-radius-full);
  transition: width var(--our-transition-slow);
}

/* ============================================
 * DIVIDER
 * ============================================ */

.our-divider {
  height: var(--our-border-width);
  background: var(--our-color-border);
  border: none;
  margin: var(--our-spacing-4) 0;
}

.our-divider--lg {
  margin: var(--our-spacing-8) 0;
}

/* ============================================
 * AVATAR
 * ============================================ */

.our-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--our-radius-full);
  background: var(--our-color-primary-alpha);
  color: var(--our-color-primary-dark);
  font-weight: var(--our-font-weight-semibold);
  overflow: hidden;
}

.our-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.our-avatar--sm {
  width: 32px;
  height: 32px;
  font-size: var(--our-font-size-sm);
}

.our-avatar--lg {
  width: 56px;
  height: 56px;
  font-size: var(--our-font-size-lg);
}

.our-avatar--xl {
  width: 80px;
  height: 80px;
  font-size: var(--our-font-size-2xl);
}

/* ============================================
 * EMPTY STATE
 * ============================================ */

.our-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--our-spacing-12);
}

.our-empty-state__icon {
  width: 64px;
  height: 64px;
  color: var(--our-color-gray-300);
  margin-bottom: var(--our-spacing-4);
}

.our-empty-state__title {
  font-size: var(--our-font-size-lg);
  font-family: var(--our-font-family-display);
  font-weight: var(--our-font-weight-bold);
  color: var(--our-color-text);
  margin: 0 0 var(--our-spacing-2) 0;
}

.our-empty-state__description {
  font-size: var(--our-font-size-sm);
  color: var(--our-color-text-secondary);
  margin: 0 0 var(--our-spacing-6) 0;
  max-width: 400px;
}

/* ============================================
 * TYPOGRAPHY UTILITIES
 * ============================================ */

.our-text-xs {
  font-size: var(--our-font-size-xs);
}
.our-text-sm {
  font-size: var(--our-font-size-sm);
}
.our-text-base {
  font-size: var(--our-font-size-base);
}
.our-text-lg {
  font-size: var(--our-font-size-lg);
}
.our-text-xl {
  font-size: var(--our-font-size-xl);
}
.our-text-2xl {
  font-size: var(--our-font-size-2xl);
}
.our-text-3xl {
  font-size: var(--our-font-size-3xl);
}

.our-font-normal {
  font-weight: var(--our-font-weight-normal);
}
.our-font-medium {
  font-weight: var(--our-font-weight-medium);
}
.our-font-semibold {
  font-weight: var(--our-font-weight-semibold);
}
.our-font-bold {
  font-weight: var(--our-font-weight-bold);
}

.our-text-primary {
  color: var(--our-color-primary-dark);
}
.our-text-secondary {
  color: var(--our-color-text-secondary);
}
.our-text-muted {
  color: var(--our-color-text-muted);
}
.our-text-success {
  color: var(--our-color-success);
}
.our-text-warning {
  color: var(--our-color-warning-dark);
}
.our-text-danger {
  color: var(--our-color-danger);
}

.our-text-center {
  text-align: center;
}
.our-text-left {
  text-align: left;
}
.our-text-right {
  text-align: right;
}

/* Display font utility */
.our-font-display {
  font-family: var(--our-font-family-display);
}

/* ============================================
 * DATA TABLE
 * ============================================ */

.our-data-table-border {
  border: var(--our-border-width) solid var(--our-color-border);
  border-radius: var(--our-radius-md);
  overflow: hidden;
}

.our-data-table-scroll {
  overflow-x: auto;
}

.our-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--our-font-size-sm);
}

.our-data-table th {
  text-align: left;
  padding: 0 var(--our-spacing-4);
  height: 3rem;
  vertical-align: middle;
  font-size: var(--our-font-size-sm);
  font-weight: var(--our-font-weight-semibold);
  color: var(--our-color-text-secondary);
  border-bottom: var(--our-border-width) solid var(--our-color-border);
  white-space: nowrap;
}

.our-data-table th.our-data-table__th--actions {
  width: 140px;
}

.our-data-table td {
  padding: var(--our-spacing-4);
  vertical-align: middle;
  white-space: nowrap;
  color: var(--our-color-text-secondary);
}

.our-data-table td.our-data-table__td--wrap {
  white-space: normal;
}

.our-data-table tbody tr {
  border-bottom: var(--our-border-width) solid var(--our-color-border);
  transition: background-color var(--our-transition-fast);
}

.our-data-table tbody tr:hover {
  background-color: var(--our-color-highlight-tint1);
}

.our-data-table tbody tr:last-child {
  border-bottom: none;
}

.our-data-table__link {
  font-weight: var(--our-font-weight-semibold);
  color: var(--our-color-primary-dark);
  text-decoration: none;
  display: block;
}

.our-data-table__link:hover {
  text-decoration: underline;
  text-decoration-color: var(--our-color-secondary);
  text-decoration-thickness: 0.1875em;
  text-underline-offset: 0.3em;
}

.our-data-table__sublabel {
  display: block;
  margin-top: 2px;
  font-size: var(--our-font-size-xs);
  color: var(--our-color-text-secondary);
}

/* ============================================
 * ACTION BUTTONS
 * ============================================ */

.our-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: none;
  color: var(--our-color-text-secondary);
  cursor: pointer;
  border-radius: var(--our-radius-md);
  transition:
    color var(--our-transition-fast),
    background-color var(--our-transition-fast);
  text-decoration: none;
}

.our-action-btn:hover {
  background-color: var(--our-color-gray-100);
  color: var(--our-color-text);
}

.our-action-btn--primary svg {
  color: var(--our-color-primary-dark);
}

.our-action-btn--primary:hover svg {
  color: var(--our-color-primary);
}

.our-action-btn-group {
  display: flex;
  align-items: center;
  gap: var(--our-spacing-2);
  justify-content: flex-end;
}

.our-action-menu {
  position: relative;
}

.our-action-menu__dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 20;
  min-width: 10rem;
  padding: 0.25rem 0;
  background: var(--our-color-white, #fff);
  border: 1px solid var(--our-color-gray-200);
  border-radius: var(--our-radius-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.our-action-menu__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: none;
  background: none;
  font-size: var(--our-font-size-sm, 0.875rem);
  cursor: pointer;
  color: var(--our-color-text);
}

.our-action-menu__item:hover {
  background-color: var(--our-color-gray-100);
}

.our-action-menu__item--danger {
  color: var(--our-color-destructive, #dc2626);
}

.our-action-menu__item--danger:hover {
  background-color: rgba(220, 38, 38, 0.08);
}

/* ============================================
 * SECTION HEADINGS
 * ============================================ */

.our-section-title {
  font-size: var(--our-font-size-xl);
  font-family: var(--our-font-family-display);
  font-weight: var(--our-font-weight-bold);
  color: var(--our-color-text);
  margin: 0 0 var(--our-spacing-6) 0;
}

/* ============================================
 * INLINE ICONS
 * ============================================ */

.our-icon-inline {
  display: inline;
  vertical-align: middle;
  width: 16px;
  height: 16px;
}

.our-icon-inline--primary {
  color: var(--our-color-primary-dark);
}