/* ══════════════════════════════════════════════════════════════
   Onboarding card carousel ("Découvrir Ingenio")
   Built on main.css design tokens — inherits light/dark theme.
   ══════════════════════════════════════════════════════════════ */

.onb-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5, 20px);
  background: rgba(8, 9, 13, .72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: onb-scrim-in .25s ease;
}

.onb-overlay[hidden] {
  display: none;
}

@keyframes onb-scrim-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.onb-modal {
  position: relative;
  width: min(960px, 100%);
  background: color-mix(in srgb, var(--bg-secondary) 92%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-primary) 18%, var(--border-color));
  border-radius: 28px;
  box-shadow:
    0 32px 80px rgba(0, 0, 0, .28),
    inset 0 1px 0 color-mix(in srgb, white 8%, transparent);
  padding: 32px 40px 28px;
  animation: onb-modal-in .4s cubic-bezier(.19, 1, .22, 1);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

@keyframes onb-modal-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.onb-modal::before {
  content: '';
  position: absolute;
  inset: -48px;
  z-index: -1;
  border-radius: 36px;
  background:
    radial-gradient(closest-side, rgba(var(--accent-rgb), .28), transparent),
    radial-gradient(closest-side, rgba(var(--gold-rgb), .18), transparent);
  background-position: 8% 6%, 94% 94%;
  background-size: 55% 55%, 48% 48%;
  background-repeat: no-repeat;
  filter: blur(36px);
  opacity: .9;
  pointer-events: none;
}

/* ── header ──────────────────────────────────────────────── */
.onb-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.onb-head-text {
  flex: 1;
  min-width: 0;
}

.onb-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 6px;
}

.onb-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 0;
}

.onb-close {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.onb-close svg {
  width: 16px;
  height: 16px;
}

.onb-close:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: color-mix(in srgb, var(--accent-primary) 35%, var(--border-color));
}

/* ── top progress bar ────────────────────────────────────── */
.onb-progress-bar {
  height: 3px;
  border-radius: 999px;
  background: var(--border-color);
  margin-bottom: 24px;
  overflow: hidden;
}

.onb-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--accent-gradient);
  transition: width .4s cubic-bezier(.19, 1, .22, 1);
}

/* ── carousel track ───────────────────────────────────────── */
.onb-track {
  position: relative;
  min-height: 380px;
  overflow: hidden;
}

.onb-card {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px;
  gap: 28px;
  border: 1px solid color-mix(in srgb, var(--accent-primary) 14%, var(--border-color));
  border-radius: 22px;
  background: var(--bg-primary);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .1);
}

.onb-card.onb-card-active {
  display: flex;
}

.onb-card.onb-slide-in-right {
  animation: onb-slide-in-right .38s cubic-bezier(.19, 1, .22, 1);
}

.onb-card.onb-slide-in-left {
  animation: onb-slide-in-left .38s cubic-bezier(.19, 1, .22, 1);
}

@keyframes onb-slide-in-right {
  from {
    opacity: 0;
    transform: translateX(28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes onb-slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (min-width: 780px) {
  .onb-card {
    flex-direction: row;
    align-items: center;
    text-align: left;
    justify-content: space-between;
    gap: 36px;
    padding: 28px 32px;
  }

  .onb-card-media {
    flex: 0 0 58%;
    max-width: 58%;
  }

  .onb-card-body {
    flex: 1 1 42%;
    align-items: flex-start;
    margin-top: 0;
  }

  .onb-card-title,
  .onb-card-desc {
    text-align: left;
  }
}

/* ── screenshot frame ─────────────────────────────────────── */
.onb-card-media {
  position: relative;
  width: 100%;
}

.onb-card-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, .15),
    inset 0 1px 0 color-mix(in srgb, white 6%, transparent);
}

.onb-card-chrome {
  display: flex;
  gap: 5px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--bg-tertiary) 80%, transparent);
  border-bottom: 1px solid var(--border-color);
}

.onb-chrome-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
}

.onb-chrome-dot:nth-child(1) { background: #ff5f57; }
.onb-chrome-dot:nth-child(2) { background: #febc2e; }
.onb-chrome-dot:nth-child(3) { background: #28c840; }

.onb-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.onb-card-media.onb-media-fallback .onb-card-frame {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(var(--accent-rgb), .12), transparent 70%),
    var(--bg-secondary);
}

.onb-card-media.onb-media-fallback .onb-card-img {
  display: none;
}

.onb-card-media-icon {
  display: none;
  font-size: 56px;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .35));
}

.onb-card-media.onb-media-fallback .onb-card-media-icon {
  display: block;
}

/* ── card body ────────────────────────────────────────────── */
.onb-card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.onb-card-step {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  margin-bottom: 14px;
}

.onb-card-icon-chip {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: color-mix(in srgb, var(--accent-primary) 14%, var(--bg-secondary));
  border: 1px solid color-mix(in srgb, var(--accent-primary) 22%, var(--border-color));
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), .12);
  margin-bottom: 14px;
}

.onb-card-title {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 12px;
}

.onb-card-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 36ch;
  margin: 0;
}

/* Per-feature accent tints on the icon chip */
.onb-card[data-code="archive"] .onb-card-icon-chip { background: color-mix(in srgb, var(--accent-primary) 16%, transparent); }
.onb-card[data-code="mastery"] .onb-card-icon-chip { background: color-mix(in srgb, #DCAE57 16%, transparent); border-color: color-mix(in srgb, #DCAE57 30%, var(--border-color)); }
.onb-card[data-code="clinical"] .onb-card-icon-chip { background: color-mix(in srgb, #9B87E8 16%, transparent); border-color: color-mix(in srgb, #9B87E8 30%, var(--border-color)); }
.onb-card[data-code="hospital"] .onb-card-icon-chip { background: color-mix(in srgb, #6BA3D6 16%, transparent); border-color: color-mix(in srgb, #6BA3D6 30%, var(--border-color)); }

/* ── controls ─────────────────────────────────────────────── */
.onb-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
}

.onb-arrow {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.onb-arrow svg {
  width: 18px;
  height: 18px;
}

.onb-arrow:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent-primary) 12%, var(--bg-tertiary));
  border-color: color-mix(in srgb, var(--accent-primary) 40%, var(--border-color));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), .15);
}

.onb-arrow:active:not(:disabled) {
  transform: translateY(0);
}

.onb-arrow:disabled {
  opacity: .3;
  cursor: default;
}

.onb-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 1;
  max-width: 320px;
}

.onb-dots {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: center;
}

.onb-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-color);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, width .25s ease;
}

.onb-dot-filled {
  background: color-mix(in srgb, var(--accent-primary) 55%, var(--border-color));
}

.onb-dot-active {
  background: var(--accent-primary);
  width: 18px;
  border-radius: 4px;
  transform: scale(1.05);
}

.onb-step-count {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: .04em;
}

/* ── footer actions ───────────────────────────────────────── */
.onb-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
}

.onb-skip {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 999px;
  transition: background .15s ease, color .15s ease;
}

.onb-skip:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.onb-next-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}

.onb-next-label svg {
  width: 14px;
  height: 14px;
}

.onb-next-label:hover {
  background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-tertiary));
  border-color: color-mix(in srgb, var(--accent-primary) 35%, var(--border-color));
  transform: translateY(-1px);
}

.onb-next-label[hidden] {
  display: none;
}

.onb-finish {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--accent-gradient);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14.5px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(var(--accent-rgb), .35);
  transition: transform .15s ease, box-shadow .15s ease;
}

.onb-finish svg {
  width: 16px;
  height: 16px;
}

.onb-finish:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(var(--accent-rgb), .45);
}

.onb-finish[hidden] {
  display: none;
}

/* ── keyboard focus ───────────────────────────────────────── */
.onb-arrow:focus-visible,
.onb-dot:focus-visible,
.onb-skip:focus-visible,
.onb-finish:focus-visible,
.onb-next-label:focus-visible,
.onb-close:focus-visible,
.onb-help-btn:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 2px;
}

/* ── Help icon in navbar ──────────────────────────────────── */
.onb-help-btn {
  background: var(--accent-gradient);
  border: 1px solid transparent;
  color: #fff;
  width: 36px;
  height: 40px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px rgba(var(--accent-rgb), .22);
  transition: transform .2s ease, box-shadow .2s ease;
}

.onb-help-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(var(--accent-rgb), .28);
}

@media (prefers-reduced-motion: reduce) {
  .onb-overlay,
  .onb-modal,
  .onb-card.onb-slide-in-right,
  .onb-card.onb-slide-in-left,
  .onb-progress-fill {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 680px) {
  .onb-modal {
    padding: 20px 18px 18px;
    width: calc(100% - 16px);
    border-radius: 22px;
  }

  .onb-modal::before {
    inset: -20px;
    filter: blur(22px);
  }

  .onb-title {
    font-size: 18px;
  }

  .onb-track {
    min-height: 0;
  }

  .onb-card {
    padding: 18px;
    gap: 20px;
  }

  .onb-card-title {
    font-size: 20px;
  }

  .onb-card-desc {
    font-size: 14px;
  }

  .onb-controls {
    gap: 8px;
    margin-top: 16px;
  }

  .onb-dots {
    max-width: 180px;
  }

  .onb-footer {
    flex-wrap: wrap;
    justify-content: center;
  }

  .onb-skip {
    order: 2;
    width: 100%;
    text-align: center;
  }

  .onb-next-label,
  .onb-finish {
    flex: 1;
    justify-content: center;
  }
}