/**
 * Deep Recall — styles applicatifs (complément Pi Theme)
 * Tokens : variables sémantiques pi_theme (--text-*, --bg-*, --pi-*)
 */

/* Formes géométriques — page d'accueil */
.dr-page-home {
  position: relative;
  isolation: isolate;
}

.dr-shapes {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.dr-page-home > *:not(.dr-shapes) {
  position: relative;
  z-index: 1;
}

.dr-shapes__square,
.dr-shapes__diamond,
.dr-shapes__triangle,
.dr-shapes__circle {
  position: absolute;
  display: block;
}

.dr-shapes__square {
  border-radius: var(--radius-md);
  opacity: 0.32;
}

.dr-shapes__square--a {
  width: min(28vw, 14rem);
  height: min(28vw, 14rem);
  top: 6%;
  right: -2%;
  background: linear-gradient(145deg, var(--pi-jaune-200), var(--pi-jaune-400));
  transform: rotate(12deg);
  animation: dr-tilt-a 18s ease-in-out infinite;
}

.dr-shapes__square--b {
  width: min(22vw, 11rem);
  height: min(22vw, 11rem);
  bottom: 14%;
  left: -4%;
  background: transparent;
  border: 3px solid var(--pi-violet-400);
  opacity: 0.4;
  transform: rotate(-16deg);
  animation: dr-tilt-b 22s ease-in-out infinite;
}

.dr-shapes__square--outline {
  width: min(14vw, 7rem);
  height: min(14vw, 7rem);
  top: 48%;
  right: 6%;
  background: transparent;
  border: 3px solid var(--pi-jaune-400);
  opacity: 0.42;
  transform: rotate(22deg);
  animation: dr-tilt-outline 20s ease-in-out infinite;
}

.dr-shapes__triangle {
  width: 0;
  height: 0;
  opacity: 0.38;
}

.dr-shapes__triangle--a {
  top: 36%;
  left: 10%;
  border-left: 3.25rem solid transparent;
  border-right: 3.25rem solid transparent;
  border-bottom: 5.5rem solid var(--pi-violet-300);
  animation: dr-float-tri 16s ease-in-out infinite;
}

.dr-shapes__triangle--b {
  bottom: 26%;
  right: 10%;
  border-left: 2.5rem solid transparent;
  border-right: 2.5rem solid transparent;
  border-bottom: 4.25rem solid var(--pi-jaune-400);
  animation: dr-float-tri-b 20s ease-in-out infinite reverse;
}

.dr-shapes__circle {
  width: min(14vw, 7rem);
  height: min(14vw, 7rem);
  top: 14%;
  left: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--pi-rose-100), var(--pi-violet-300));
  opacity: 0.3;
  animation: dr-float-circle 19s ease-in-out infinite;
}

.dr-shapes__diamond {
  width: min(10vw, 5rem);
  height: min(10vw, 5rem);
  top: 55%;
  right: 24%;
  background: linear-gradient(135deg, var(--pi-violet-300), var(--pi-jaune-300));
  opacity: 0.3;
  border-radius: var(--radius-sm);
  transform: rotate(45deg);
  animation: dr-float-diamond 19s ease-in-out infinite reverse;
}

@keyframes dr-tilt-a {
  0%, 100% { transform: rotate(12deg) translate(0, 0); }
  50% { transform: rotate(20deg) translate(-1rem, 1.25rem); }
}

@keyframes dr-tilt-b {
  0%, 100% { transform: rotate(-16deg) translate(0, 0); }
  50% { transform: rotate(-8deg) translate(1.5rem, -1rem); }
}

@keyframes dr-tilt-outline {
  0%, 100% { transform: rotate(22deg) translate(0, 0); }
  50% { transform: rotate(30deg) translate(-0.75rem, 0.5rem); }
}

@keyframes dr-float-tri {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(0.75rem, 1rem); }
}

@keyframes dr-float-tri-b {
  0%, 100% { transform: rotate(160deg) translate(0, 0); }
  50% { transform: rotate(160deg) translate(0.75rem, 1rem); }
}

@keyframes dr-float-circle {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(1rem, 0.75rem) scale(1.06); }
}

@keyframes dr-float-diamond {
  0%, 100% { transform: rotate(45deg) translate(0, 0); }
  50% { transform: rotate(45deg) translate(0.5rem, -0.75rem); }
}

@media (prefers-reduced-motion: reduce) {
  .dr-shapes__square,
  .dr-shapes__diamond,
  .dr-shapes__triangle,
  .dr-shapes__circle {
    animation: none;
  }
}

@media (max-width: 48rem) {
  .dr-shapes__triangle--a,
  .dr-shapes__diamond {
    display: none;
  }

  .dr-shapes__square--a,
  .dr-shapes__square--b {
    opacity: 0.24;
  }
}

/* Barre compte sous le header */
.dr-account-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2w);
  padding-block: var(--space-1w);
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-alt);
}

.dr-inline-form {
  display: inline;
  margin: 0;
}

.dr-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-2w);
  margin-bottom: var(--space-4w);
  padding-bottom: var(--space-2w);
  border-bottom: 1px solid var(--border-default);
}

.dr-page-header h1 {
  margin: 0;
  color: var(--text-title);
}

.dr-subtitle {
  margin: var(--space-1w) 0 0;
  color: var(--text-mention);
  font-size: var(--text-sm);
}

.dr-auth {
  max-width: 28rem;
  margin-inline: auto;
}

.dr-auth-footer {
  margin-top: var(--space-3w);
  text-align: center;
  color: var(--text-mention);
  font-size: var(--text-sm);
}

/* Pied de page : marque à gauche, crédit à droite */
.dr-footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2w) var(--space-4w);
}

.dr-footer-row .pi-footer__brand {
  margin-bottom: 0;
  align-items: center;
}

.dr-footer-row .pi-footer__brand-title {
  margin: 0;
  line-height: var(--leading-tight);
}

.dr-footer-row .pi-footer__brand-desc {
  margin: 0;
  line-height: var(--leading-tight);
}

/* En-tête : titre + tagline resserrés, alignés sur le carré logo */
.pi-header__brand {
  align-items: center;
}

.pi-header__service-title {
  margin: 0;
  line-height: 1.15;
}

.pi-header__service-tagline {
  margin: 0;
  line-height: 1.2;
}

.dr-footer-author {
  margin: 0;
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--pi-violet-300);
  text-align: right;
  white-space: nowrap;
}

/* Focus formulaires : un seul anneau (évite le double jaune + violet) */
.pi-input:focus-visible,
.pi-select:focus-visible,
.pi-textarea:focus-visible,
.pi-file:focus-visible {
  outline: 2px solid var(--border-action);
  outline-offset: 0;
  box-shadow: none;
  border-color: var(--border-action);
}

/* Stats */
.dr-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: var(--space-2w);
  margin-bottom: var(--space-4w);
}

.dr-stat {
  background: var(--bg-alt);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2w);
  text-align: center;
}

.dr-stat__value {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--text-title);
  line-height: var(--leading-tight);
}

.dr-stat__label {
  font-size: var(--text-sm);
  color: var(--text-mention);
  margin-top: var(--space-1v);
}

.dr-stat--due .dr-stat__value { color: var(--text-action); }
.dr-stat--learning .dr-stat__value { color: var(--pi-warning); }
.dr-stat--mastered .dr-stat__value { color: var(--pi-success); }
.dr-stat--failures .dr-stat__value { color: var(--pi-error); }
.dr-stat--new .dr-stat__value { color: var(--pi-rose-500); }

/* Deck meta chips */
.dr-deck-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1w);
  margin-top: var(--space-2w);
}

.dr-deck-stat {
  background: var(--bg-contrast);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.75rem;
  font-size: var(--text-sm);
}

.dr-deck-stat strong {
  color: var(--text-action);
}

/* Card list */
.dr-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dr-card-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2w);
  padding: var(--space-2w) 0;
  border-bottom: 1px solid var(--border-default);
}

.dr-card-item:last-child {
  border-bottom: none;
}

.dr-card-preview__front {
  font-weight: var(--weight-medium);
}

.dr-card-preview__back {
  color: var(--text-mention);
  font-size: var(--text-sm);
}

/* Filters (tabs-like) */
.dr-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: var(--space-3w);
  border-bottom: 2px solid var(--border-default);
}

.dr-filter {
  padding: 0.625rem 1rem;
  margin-bottom: -2px;
  border-bottom: 2px solid transparent;
  color: var(--text-mention);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.dr-filter:hover {
  color: var(--text-action);
  background: var(--bg-action-low);
  text-decoration: none;
}

.dr-filter.is-active {
  color: var(--text-action);
  border-bottom-color: var(--border-action);
  font-weight: var(--weight-bold);
}

/* Study / flashcards */
.dr-study {
  max-width: 40rem;
  margin-inline: auto;
  text-align: center;
}

.dr-study__progress {
  color: var(--text-mention);
  margin-bottom: var(--space-3w);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.dr-flashcard {
  background: var(--bg-alt);
  border: 2px solid var(--border-action);
  border-radius: var(--radius-lg);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4w);
  cursor: pointer;
  margin-bottom: var(--space-3w);
  user-select: none;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.dr-flashcard:hover {
  box-shadow: var(--shadow-md);
}

.dr-flashcard.flipped {
  border-color: var(--pi-info);
  background: var(--pi-info-bg);
}

.dr-flashcard__content {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  white-space: pre-wrap;
  color: var(--text-default);
}

.dr-flashcard__hint {
  color: var(--text-mention);
  font-size: var(--text-sm);
  margin-top: var(--space-2w);
}

.dr-ratings {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1w);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.dr-ratings.visible {
  opacity: 1;
  pointer-events: auto;
}

.dr-rating {
  padding: 0.75rem 0.5rem;
  border: 1px solid;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  cursor: pointer;
  background: var(--bg-alt);
  transition: background var(--transition-fast);
}

.dr-rating:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.dr-rating--again { color: var(--pi-error); border-color: var(--pi-error); }
.dr-rating--again:hover { background: var(--pi-error-bg); }
.dr-rating--hard { color: var(--pi-warning); border-color: var(--pi-warning); }
.dr-rating--hard:hover { background: var(--pi-warning-bg); }
.dr-rating--good { color: var(--pi-success); border-color: var(--pi-success); }
.dr-rating--good:hover { background: var(--pi-success-bg); }
.dr-rating--easy { color: var(--text-action); border-color: var(--border-action); }
.dr-rating--easy:hover { background: var(--bg-action-low); }

.dr-rating small {
  display: block;
  font-weight: var(--weight-regular);
  font-size: var(--text-xs);
  margin-top: var(--space-1v);
  opacity: 0.85;
}

.dr-study-done {
  text-align: center;
  padding: var(--space-6w);
}

.dr-study-done h2 {
  color: var(--pi-success);
}

/* Progress lists */
.dr-progress-section {
  margin-bottom: var(--space-5w);
}

.dr-progress-section h2 {
  display: flex;
  align-items: center;
  gap: var(--space-1w);
  padding-bottom: var(--space-1w);
  border-bottom: 1px solid var(--border-default);
}

.dr-progress-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dr-progress-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2w);
  padding: var(--space-2w);
  background: var(--bg-alt);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1w);
}

.dr-empty {
  text-align: center;
  padding: var(--space-6w);
  color: var(--text-mention);
}

.dr-code-sample {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--bg-contrast);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2w);
  margin-bottom: var(--space-3w);
  overflow-x: auto;
}

.dr-role-form {
  display: flex;
  align-items: center;
  gap: var(--space-1w);
  flex-wrap: wrap;
}

.dr-role-form select {
  width: auto;
  min-width: 10rem;
}

.dr-chart-container {
  position: relative;
  height: 22rem;
  width: 100%;
}

.dr-chart-subtitle {
  font-size: var(--text-sm);
  color: var(--text-mention);
  margin-bottom: var(--space-3w);
}

/* Badges métier (états SRS + ratings) */
.dr-badge-new {
  background: var(--pi-rose-100);
  color: var(--pi-rose-700);
}

.dr-badge-learning {
  background: var(--pi-warning-bg);
  color: var(--pi-warning);
}

.dr-badge-review {
  background: var(--pi-success-bg);
  color: var(--pi-success);
}

.dr-badge-failure {
  background: var(--pi-error-bg);
  color: var(--pi-error);
}

.dr-badge-rating-1 { background: var(--pi-error-bg); color: var(--pi-error); }
.dr-badge-rating-2 { background: var(--pi-warning-bg); color: var(--pi-warning); }
.dr-badge-rating-3 { background: var(--pi-success-bg); color: var(--pi-success); }
.dr-badge-rating-4 { background: var(--pi-info-bg); color: var(--pi-info); }

/* Autocomplete */
.autocomplete-wrapper {
  position: relative;
}

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--bg-alt);
  border: 1px solid var(--border-default);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 240px;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
}

.autocomplete-item {
  padding: 0.625rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item strong {
  color: var(--text-default);
  font-size: 0.9375rem;
}

.autocomplete-item span {
  color: var(--text-mention);
  font-size: 0.8125rem;
}

.autocomplete-item:hover,
.autocomplete-item.is-active {
  background: var(--bg-action-low);
}

.pi-hidden,
.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .dr-ratings {
    grid-template-columns: repeat(2, 1fr);
  }

  .dr-chart-container {
    height: 16rem;
  }
}