/**
 * EduSaas — Styles LMS
 * Catalogue, programme, leçon, steps, milestones
 */

/* ═══════════════════════════════════════
   CATALOGUE
   ═══════════════════════════════════════ */

.catalog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .catalog__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.program-card {
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

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

.program-card__thumb {
  height: 140px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.6);
}

.program-card__body {
  padding: var(--space-md);
}

.program-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.program-card__meta {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.program-card__badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background: rgba(108, 92, 231, 0.1);
  color: var(--color-primary);
}

.program-card__badge--enrolled {
  background: rgba(0, 184, 148, 0.1);
  color: var(--color-success);
}

.program-card__badge--public {
  background: rgba(108, 92, 231, 0.08);
  color: var(--color-primary);
}

.program-card__cta {
  margin-top: var(--space-sm);
}

.program-card__login-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.program-card__login-link:hover {
  text-decoration: underline;
}

/* ═══════════════════════════════════════
   INVITATION
   ═══════════════════════════════════════ */

.invitation-card {
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-md);
}

.invitation-card__icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.invitation-card__icon--success {
  color: var(--color-success);
}

.invitation-card__icon--error {
  color: var(--color-warning);
}

.invitation-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.invitation-card__subtitle {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.invitation-card__program {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-align: left;
  background: var(--bg-base);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.invitation-card__program-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.invitation-card__program-info {
  flex: 1;
  min-width: 0;
}

.invitation-card__program-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-md);
  margin-bottom: 2px;
}

.invitation-card__program-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.invitation-card__message {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.invitation-card__message-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.invitation-card__blockquote {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-sm) var(--space-md);
  font-style: italic;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  background: var(--bg-base);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.invitation-card__actions {
  margin-top: var(--space-lg);
}

.invitation-card__login-hint {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

/* ═══════════════════════════════════════
   VUE PROGRAMME
   ═══════════════════════════════════════ */

.program-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-lg);
}

.program-header__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.program-header__creator {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.program-header__progress {
  margin-top: var(--space-md);
}

.program-header__progress .progress {
  background: rgba(255, 255, 255, 0.2);
}

.program-header__progress .progress__bar {
  background: var(--color-accent-light);
}

.program-header__stats {
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* ── Milestones timeline ── */
.milestones-bar {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.milestones-bar::-webkit-scrollbar { display: none; }

.milestone-chip {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-surface);
  border-radius: 99px;
  font-size: var(--font-size-sm);
  border: 2px solid var(--border-color);
  white-space: nowrap;
}

.milestone-chip--unlocked {
  border-color: var(--color-success);
  background: rgba(0, 184, 148, 0.1);
}

.milestone-chip--locked {
  opacity: 0.5;
}

.milestone-chip__icon {
  font-size: 1.1rem;
}

/* ── Modules / Leçons ── */
.module-section {
  margin-bottom: var(--space-md);
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
}

.module-section__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  padding-bottom: var(--space-sm);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.module-section__number {
  width: 28px;
  height: 28px;
  border-radius: var(--border-radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.module-section__number--done {
  background: var(--color-success);
}

.module-section__number--pending {
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-muted);
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-surface-raised);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-xs);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.lesson-item:hover {
  filter: brightness(1.1);
}

.lesson-item__status {
  width: 28px;
  height: 28px;
  border-radius: var(--border-radius-full);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

.lesson-item__status--done {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.lesson-item__status--partial {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.lesson-item__status--pending {
  color: var(--text-muted);
}

.lesson-item__info {
  flex: 1;
  min-width: 0;
}

.lesson-item__title {
  font-weight: var(--font-weight-medium);
  margin-bottom: 2px;
}

.lesson-item__meta {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.lesson-item__arrow {
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ── EVO-17 : Drip content (module verrouillé) ── */
.module-section--locked {
  opacity: 0.6;
}

.module-section--locked .module-section__number {
  background: var(--text-muted);
}

.module-section__lock {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--bg-surface);
  border-radius: var(--border-radius-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.module-section__lock i {
  font-size: var(--font-size-md);
}

/* Drip fields dans l'éditeur créateur */
.creator-module__drip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
}

.creator-module__drip .form__label--inline {
  margin: 0;
  white-space: nowrap;
}

/* ═══════════════════════════════════════
   VUE LEÇON / STEPS
   ═══════════════════════════════════════ */

.lesson-header {
  margin-bottom: var(--space-lg);
}

.lesson-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  text-decoration: none;
}

.lesson-header__back:hover { color: var(--color-primary); }

.lesson-header__nav {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ── Steps ── */
.step {
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  border: 2px solid var(--border-color);
  transition: border-color var(--transition-fast);
}

.step--active {
  border-color: var(--color-primary);
}

.step--completed {
  border-color: var(--color-success);
  opacity: 0.85;
}

.step--pending {
  border-color: var(--color-warning);
}

.step__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.step__number {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-full);
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.step--completed .step__number {
  background: var(--color-success);
  color: white;
}

.step__type {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-semibold);
}

.step__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  flex: 1;
}

.step__body {
  margin-bottom: var(--space-md);
}

.step__content {
  line-height: 1.7;
  color: var(--text-secondary);
}

.step__content h3 { color: var(--text-primary); margin-bottom: var(--space-sm); }
.step__content ol, .step__content ul { padding-left: var(--space-lg); margin-bottom: var(--space-sm); }
.step__content li { margin-bottom: var(--space-xs); }

/* ── Step vidéo ── */
.step__video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: #000;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.step__video iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── Step quiz ── */
.quiz__question {
  margin-bottom: var(--space-lg);
}

.quiz__question-text {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.quiz__choices {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.quiz__choice {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.quiz__choice:hover { border-color: var(--color-primary); }
.quiz__choice--selected { border-color: var(--color-primary); background: rgba(108, 92, 231, 0.08); }
.quiz__choice--correct { border-color: var(--color-success); background: rgba(0, 184, 148, 0.08); }
.quiz__choice--wrong { border-color: var(--color-error); background: rgba(225, 112, 85, 0.08); }

.quiz__radio {
  width: 18px;
  height: 18px;
  border-radius: var(--border-radius-full);
  border: 2px solid var(--border-color);
  flex-shrink: 0;
}

.quiz__choice--selected .quiz__radio {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

/* ── Step action ── */
.step__textarea {
  width: 100%;
  min-height: 100px;
  padding: var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-base);
  color: var(--text-primary);
  resize: vertical;
}

.step__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ── Step checklist ── */
.checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.checklist__checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  font-size: 14px;
  color: transparent;
}

.checklist__item--checked .checklist__checkbox {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.checklist__label {
  font-size: var(--font-size-sm);
}

.checklist__item--checked .checklist__label {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* ── Step validation ── */
.step__actions {
  display: flex;
  gap: var(--space-sm);
}

.step__done-badge {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-success);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.step__pending-badge {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-warning-dark);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════════
   MILESTONE CELEBRATION
   ═══════════════════════════════════════ */

.milestone-celebration {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  animation: fadeIn var(--transition-normal) ease;
}

.milestone-celebration__card {
  background: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  max-width: 320px;
  width: 90%;
  animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.milestone-celebration__icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  animation: bounce 0.6s ease 0.3s both;
}

.milestone-celebration__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.milestone-celebration__desc {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xl);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-20px); }
  60% { transform: translateY(-10px); }
}

/* ═══════════════════════════════════════
   DASHBOARD APPRENANT
   ═══════════════════════════════════════ */

.dashboard__section-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.continue-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.continue-card:hover { transform: translateY(-2px); }

.continue-card__label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
  margin-bottom: var(--space-xs);
}

.continue-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.continue-card__step {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.continue-card__progress {
  margin-top: var(--space-md);
}

.continue-card__progress .progress {
  background: rgba(255, 255, 255, 0.2);
}

.continue-card__progress .progress__bar {
  background: var(--color-accent-light);
}

.milestone-recent {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.milestone-recent__icon {
  font-size: 1.5rem;
}

.milestone-recent__info {
  flex: 1;
}

.milestone-recent__title {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.milestone-recent__program {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════
   PROGRAM COMPLETE
   ═══════════════════════════════════════ */

.program-complete {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--bg-base);
}

.program-complete__inner {
  max-width: 640px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.program-complete__trophy {
  font-size: 4rem;
  color: var(--color-warning);
  animation: trophy-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes trophy-pop {
  from { transform: scale(0) rotate(-20deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg);  opacity: 1; }
}

.program-complete__title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
}

.program-complete__name {
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin: 0;
}

.program-complete__subtitle {
  color: var(--text-muted);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Diplôme */
.program-complete__diploma {
  width: 100%;
  margin: var(--space-md) 0;
}

.diploma__border {
  border: 4px double var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--bg-surface);
  position: relative;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08), inset 0 0 0 6px var(--bg-surface), inset 0 0 0 8px var(--color-primary)22;
}

.diploma__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.diploma__logo {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.diploma__issued {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0;
}

.diploma__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.diploma__recipient-label,
.diploma__program-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0;
}

.diploma__recipient {
  font-size: 1.6rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
  font-style: italic;
}

.diploma__program {
  font-size: 1.1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin: 0;
}

.diploma__date {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

.diploma__footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-lg);
}

.diploma__seal {
  font-size: 2.5rem;
  color: var(--color-warning);
}

.program-complete__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

@media print {
  .program-complete__trophy,
  .program-complete__title,
  .program-complete__name,
  .program-complete__subtitle,
  .program-complete__actions,
  #confetti-canvas { display: none !important; }
  .program-complete { padding: 0; background: white; }
  .diploma__border { box-shadow: none; border: 3px double #6c5ce7; }
}