/* ===================================================================
   COURSES — refonte « Cours » (port web de l'app mobile)
   Tout en var(--…) pour rester dark-safe automatiquement.
   =================================================================== */

#cours-container { padding: 0; }
/* Écran pleine page : annule le centrage vertical hérité de .content-wrapper.active
   (sinon gros vide en haut). On aligne en haut, pleine largeur. */
#cours-container.content-wrapper.active {
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    min-height: auto;
}
/* Anti-flash : tant que la refonte « Cours » est active, l'ancienne home
   (#steps-container) ne doit JAMAIS s'afficher, même le temps que courses.js charge. */
html.cours-on #steps-container.content-wrapper.active { display: none !important; }
.cours-app {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 18px 16px 120px;
    position: relative;
}
@media (min-width: 768px) { .cours-app { padding: 28px 24px 120px; } }

/* ---------- Header ---------- */
.cours-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.cours-premium-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    border: none;
    border-radius: 14px;
    background: var(--aurora-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 0.86rem;
    box-shadow: var(--aurora-soft-shadow);
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
}
.cours-premium-btn.is-static { cursor: default; box-shadow: none; padding: 8px 12px; }
.cours-premium-btn:not(.is-static):hover { transform: translateY(-2px); }
.cours-premium-btn i { font-size: 1rem; }
.cours-header__spacer { flex: 1; }
.cours-icon-btn {
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    background: var(--soft-surface, #f1f3f9);
    color: var(--text-primary);
    font-size: 1.15rem;
    cursor: pointer;
    transition: background .18s ease, transform .18s ease;
}
.cours-icon-btn:hover { transform: translateY(-1px); background: var(--chip-bg); }

/* ---------- Search ---------- */
.cours-search { margin: 4px 0 8px; }
.cours-search input {
    width: 100%;
    border: none;
    border-radius: 16px;
    padding: 13px 16px;
    background: var(--soft-surface, #f1f3f9);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
}
.cours-search input::placeholder { color: var(--text-muted); }

/* ---------- Hero scan & import ---------- */
.cours-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    text-align: left;
    border: none;
    padding: 20px;
    margin: 8px 0 6px;
    border-radius: 28px;
    background: var(--aurora-gradient);
    color: #fff;
    box-shadow: var(--aurora-glow);
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
}
.cours-hero:hover { transform: translateY(-3px); }
.cours-hero__icon {
    width: 52px; height: 52px;
    flex: 0 0 auto;
    display: grid; place-items: center;
    border-radius: 16px;
    background: rgba(255,255,255,.22);
    font-size: 1.6rem;
}
.cours-hero__copy { flex: 1; min-width: 0; }
.cours-hero__title { font-weight: 700; font-size: 1.08rem; margin: 0; }
.cours-hero__sub { font-size: 0.84rem; opacity: .92; margin: 2px 0 0; }
.cours-hero__arrow { font-size: 1.5rem; opacity: .95; }

/* ---------- Shortcuts ---------- */
.cours-shortcuts { display: flex; gap: 10px; margin: 10px 0 2px; }
.cours-chip {
    flex: 1;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    padding: 12px 14px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--chip-accent, #06B6A1) 12%, transparent);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform .18s ease;
}
.cours-chip:hover { transform: translateY(-2px); }
.cours-chip i { color: var(--chip-accent, #06B6A1); font-size: 1.05rem; }
.cours-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Quota bar ---------- */
.cours-quota { margin: 12px 0 4px; }
.cours-quota__unlimited {
    display: flex; align-items: center; gap: 10px;
    padding: 15px 16px;
    border-radius: 18px;
    background: var(--aurora-gradient);
    color: #fff;
    font-weight: 700;
    box-shadow: var(--aurora-soft-shadow);
}
.cours-quota__card {
    display: flex; align-items: center; gap: 12px;
    padding: 13px 14px;
    border-radius: 18px;
    background: var(--card-bg);
    border: 1px solid color-mix(in srgb, var(--aurora-primary) 16%, transparent);
    box-shadow: var(--aurora-soft-shadow);
}
.cours-quota__icon {
    width: 40px; height: 40px;
    flex: 0 0 auto;
    display: grid; place-items: center;
    border-radius: 12px;
    background: var(--aurora-gradient);
    color: #fff;
    font-size: 1.2rem;
}
.cours-quota__meta { flex: 1; min-width: 0; }
.cours-quota__label { font-size: 0.8rem; color: var(--text-muted); }
.cours-quota__value { font-size: 1.35rem; font-weight: 800; color: var(--text-primary); line-height: 1.1; }
.cours-quota__reset { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; display: flex; align-items: center; gap: 4px; }
.cours-quota__btn {
    display: inline-flex; align-items: center; gap: 4px;
    border: none;
    padding: 9px 14px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--aurora-primary) 10%, transparent);
    color: var(--aurora-primary);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
}
.cours-quota__btn:hover { background: color-mix(in srgb, var(--aurora-primary) 18%, transparent); }

/* ---------- Section head ---------- */
.cours-section-title { font-weight: 800; font-size: 1.05rem; color: var(--text-primary); margin: 18px 2px 10px; }

/* ---------- Course grid ---------- */
.cours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(204px, 1fr));
    gap: 18px;
    margin-top: 8px;
}
/* Carte « tuile premium » Aurora */
.course-card {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid color-mix(in srgb, var(--card-accent, #5B5BF5) 16%, transparent);
    box-shadow:
        0 1px 0 rgba(255,255,255,.6) inset,
        0 10px 24px color-mix(in srgb, var(--card-accent, #5B5BF5) 14%, transparent);
    cursor: pointer;
    transition: transform .22s cubic-bezier(.16,1,.3,1), box-shadow .25s ease, border-color .25s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
}
.course-card:hover {
    transform: translateY(-7px);
    border-color: color-mix(in srgb, var(--card-accent, #5B5BF5) 38%, transparent);
    box-shadow:
        0 1px 0 rgba(255,255,255,.6) inset,
        0 26px 46px color-mix(in srgb, var(--card-accent, #5B5BF5) 30%, transparent);
}
.course-card:active { transform: translateY(-2px) scale(.985); }

.course-card__cover {
    position: relative;
    height: 92px;
    background: var(--card-gradient, var(--aurora-gradient));
    overflow: hidden;
    isolation: isolate;
}
/* voile lumineux + orbes décoratifs pour la profondeur */
.course-card__cover::before {
    content: "";
    position: absolute; inset: 0;
    background:
        radial-gradient(120% 80% at 15% 0%, rgba(255,255,255,.42), rgba(255,255,255,0) 55%),
        radial-gradient(90% 90% at 100% 120%, rgba(0,0,0,.18), rgba(0,0,0,0) 60%);
    z-index: 1;
}
.course-card__cover::after {
    content: "";
    position: absolute;
    width: 70px; height: 70px;
    right: -16px; top: -28px;
    border-radius: 50%;
    background: rgba(255,255,255,.22);
    box-shadow: -34px 56px 0 -14px rgba(255,255,255,.16);
}
.course-card:hover .course-card__cover { filter: saturate(1.08); }
.course-card__glyph {
    position: absolute;
    top: 12px; left: 12px;
    z-index: 2;
    width: 44px; height: 44px;
    display: grid; place-items: center;
    border-radius: 14px;
    background: rgba(255,255,255,.26);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    box-shadow: 0 0 0 1px rgba(255,255,255,.35) inset, 0 6px 14px rgba(0,0,0,.12);
    color: #fff;
    font-size: 1.3rem;
}
.course-card__menu {
    position: absolute;
    top: 9px; right: 9px;
    z-index: 2;
    width: 30px; height: 30px;
    display: grid; place-items: center;
    border: none;
    border-radius: 999px;
    background: rgba(255,255,255,.24);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: #fff;
    cursor: pointer;
    opacity: .9;
    transition: background .18s ease, opacity .18s ease;
}
.course-card__menu:hover { background: rgba(255,255,255,.42); opacity: 1; }

.course-card__body { padding: 14px 15px 15px; flex: 1; display: flex; flex-direction: column; }
.course-card__title {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin: 0;
    min-height: 2.6em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.course-card__meta { display: flex; gap: 7px; margin-top: 12px; flex-wrap: wrap; }
.course-card__pill {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px 4px 8px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--card-accent, #5B5BF5) 13%, var(--card-bg));
    color: var(--text-primary);
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1;
}
.course-card__pill i { color: var(--card-accent, #5B5BF5); font-size: 0.82rem; }
.course-card__date {
    margin-top: auto;
    padding-top: 12px;
    display: flex; align-items: center; gap: 5px;
    font-size: 0.72rem;
    color: var(--text-muted);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.course-card__date::before {
    content: "";
    width: 5px; height: 5px; border-radius: 50%;
    background: color-mix(in srgb, var(--card-accent, #5B5BF5) 70%, transparent);
    flex: 0 0 auto;
}

/* ---------- Empty state ---------- */
.cours-empty {
    text-align: center;
    padding: 40px 24px 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.cours-empty__icon {
    width: 96px; height: 96px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--aurora-gradient);
    color: #fff;
    font-size: 2.6rem;
    box-shadow: var(--aurora-soft-shadow);
    margin-bottom: 22px;
}
.cours-empty__title { font-weight: 800; font-size: 1.3rem; color: var(--text-primary); margin: 0 0 8px; }
.cours-empty__body { font-size: 0.95rem; color: var(--text-muted); max-width: 420px; margin: 0 0 24px; }
.cours-empty__noresult { text-align: center; padding: 48px 24px 80px; color: var(--text-muted); }
.cours-empty__noresult i { font-size: 2.6rem; display: block; margin-bottom: 12px; }

/* ---------- Buttons ---------- */
.cours-btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border: none;
    padding: 14px 24px;
    border-radius: 18px;
    background: var(--aurora-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 0.98rem;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
    box-shadow: var(--aurora-soft-shadow);
}
.cours-btn-primary:hover { transform: translateY(-2px); }
.cours-btn-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%;
    border: 1.4px solid var(--border-color);
    padding: 13px 18px;
    border-radius: 18px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: border-color .18s ease, background .18s ease;
}
.cours-btn-outline:hover { border-color: var(--aurora-primary); background: color-mix(in srgb, var(--aurora-primary) 6%, transparent); }

/* ===================================================================
   WORKSPACE
   =================================================================== */
/* Même largeur/padding que la home (.cours-app) pour une largeur stable et cohérente. */
.cours-ws { width: 100%; max-width: 1180px; margin: 0 auto; padding: 18px 16px 120px; }
@media (min-width: 768px) { .cours-ws { padding: 28px 24px 120px; } }
.cours-ws__header { display: flex; align-items: center; gap: 10px; padding: 4px 0 8px; }
.cours-ws__back {
    width: 40px; height: 40px;
    display: grid; place-items: center;
    border: none; border-radius: 999px;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.2rem; cursor: pointer;
}
.cours-ws__back:hover { background: var(--soft-surface, #f1f3f9); }
.cours-ws__glyph {
    width: 36px; height: 36px;
    flex: 0 0 auto;
    display: grid; place-items: center;
    border-radius: 11px;
    background: var(--card-gradient, var(--aurora-gradient));
    color: #fff;
    font-size: 1.05rem;
}
.cours-ws__title {
    flex: 1; min-width: 0;
    font-weight: 800; font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cours-ws__menu {
    width: 40px; height: 40px;
    display: grid; place-items: center;
    border: none; border-radius: 999px;
    background: transparent; color: var(--text-primary);
    font-size: 1.2rem; cursor: pointer;
}
.cours-ws__menu:hover { background: var(--soft-surface, #f1f3f9); }

/* ---------- Segmented control ---------- */
.aurora-segmented {
    display: flex;
    gap: 4px;
    padding: 4px;
    margin: 6px 0 14px;
    border-radius: 16px;
    background: var(--chip-bg, #eef0ff);
}
.aurora-segmented__btn {
    flex: 1;
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    border: none;
    padding: 9px 8px;
    border-radius: 12px;
    background: transparent;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
}
.aurora-segmented__btn i { font-size: 1rem; }
.aurora-segmented__btn.is-active {
    background: var(--card-bg);
    color: var(--seg-accent, var(--aurora-primary));
    font-weight: 700;
    box-shadow: 0 6px 14px color-mix(in srgb, var(--seg-accent, var(--aurora-primary)) 18%, transparent);
}
.aurora-segmented__badge {
    min-width: 18px; height: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0 5px;
    border-radius: 9px;
    font-size: 0.66rem; font-weight: 700;
    background: color-mix(in srgb, var(--text-muted) 18%, transparent);
    color: var(--text-muted);
}
.aurora-segmented__btn.is-active .aurora-segmented__badge {
    background: var(--seg-accent, var(--aurora-primary));
    color: #fff;
}

/* ---------- Sources tab ---------- */
.cours-sources { display: flex; flex-direction: column; gap: 10px; }
.source-tile {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px;
    border-radius: 18px;
    background: var(--card-bg);
    border: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
}
.source-tile__icon { font-size: 1.3rem; color: var(--aurora-primary); flex: 0 0 auto; }
.source-tile.is-disabled .source-tile__icon { color: var(--text-muted); }
.source-tile__body { flex: 1; min-width: 0; cursor: pointer; }
.source-tile__title { font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-tile__meta { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.source-tile__delete {
    border: none; background: transparent;
    color: var(--text-muted); font-size: 1.2rem; cursor: pointer;
    padding: 4px;
}
.source-tile__delete:hover { color: var(--aurora-secondary, #FF7A59); }
.cours-sources__empty { text-align: center; color: var(--text-muted); padding: 28px 16px; white-space: pre-line; }

/* Switch */
.cours-switch { position: relative; display: inline-block; width: 44px; height: 26px; flex: 0 0 auto; }
.cours-switch input { opacity: 0; width: 0; height: 0; }
.cours-switch__slider {
    position: absolute; inset: 0;
    border-radius: 999px;
    background: var(--surface-muted, #e7eaf3);
    transition: background .2s ease;
    cursor: pointer;
}
.cours-switch__slider::before {
    content: "";
    position: absolute;
    height: 20px; width: 20px;
    left: 3px; top: 3px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,.2);
    transition: transform .2s ease;
}
.cours-switch input:checked + .cours-switch__slider { background: var(--aurora-primary); }
.cours-switch input:checked + .cours-switch__slider::before { transform: translateX(18px); }

/* ---------- Tutor tab ---------- */
.cours-chat { display: flex; flex-direction: column; height: min(64vh, 560px); }
.cours-chat__messages { flex: 1; overflow-y: auto; padding: 8px 2px 12px; display: flex; flex-direction: column; gap: 4px; }
.cours-chat__empty { margin: auto; text-align: center; color: var(--text-muted); padding: 24px; max-width: 360px; }
.cours-chat__row { display: flex; margin: 4px 0; }
.cours-chat__row.is-user { justify-content: flex-end; }
.cours-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.93rem;
    line-height: 1.45;
    word-wrap: break-word;
}
.cours-bubble.is-bot { background: var(--soft-surface, #f1f3f9); color: var(--text-primary); border-bottom-left-radius: 5px; }
.cours-bubble.is-user { background: var(--aurora-primary); color: #fff; border-bottom-right-radius: 5px; }
.cours-bubble p { margin: 0 0 6px; }
.cours-bubble p:last-child { margin-bottom: 0; }
.cours-bubble ul, .cours-bubble ol { margin: 4px 0; padding-left: 20px; }
.cours-bubble strong { font-weight: 700; }
.cours-bubble code { background: color-mix(in srgb, var(--text-muted) 18%, transparent); padding: 1px 5px; border-radius: 5px; font-size: 0.85em; }
.cours-chat__typing { display: inline-flex; gap: 4px; padding: 12px 14px; }
.cours-chat__typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--text-muted); animation: coursTyping 1.2s infinite; }
.cours-chat__typing span:nth-child(2) { animation-delay: .2s; }
.cours-chat__typing span:nth-child(3) { animation-delay: .4s; }
@keyframes coursTyping { 0%,60%,100% { opacity: .35; transform: scale(.8); } 30% { opacity: 1; transform: scale(1); } }
.cours-chat__input { display: flex; gap: 8px; padding-top: 10px; align-items: flex-end; }
.cours-chat__input textarea {
    flex: 1;
    border: none; resize: none;
    border-radius: 18px;
    padding: 12px 16px;
    background: var(--soft-surface, #f1f3f9);
    color: var(--text-primary);
    font-size: 0.93rem;
    max-height: 120px;
    outline: none;
}
.cours-chat__send {
    width: 46px; height: 46px;
    flex: 0 0 auto;
    border: none; border-radius: 14px;
    background: var(--aurora-primary);
    color: #fff; font-size: 1.2rem; cursor: pointer;
    display: grid; place-items: center;
}
.cours-chat__send:disabled { opacity: .55; cursor: default; }

/* ---------- Quiz tab ---------- */
.cours-quiz-head__title { font-weight: 700; font-size: 1rem; color: var(--text-primary); margin: 4px 0 2px; }
.cours-quiz-head__sub { font-size: 0.84rem; color: var(--text-muted); margin: 0 0 14px; }
.cours-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
@media (max-width: 520px) { .cours-mode-grid { grid-template-columns: repeat(2, 1fr); } }
.cours-mode-tile {
    border: 1px solid color-mix(in srgb, var(--mode-accent, #5B5BF5) 22%, transparent);
    border-radius: 18px;
    padding: 16px;
    background: color-mix(in srgb, var(--mode-accent, #5B5BF5) 8%, var(--card-bg));
    cursor: pointer;
    transition: transform .16s ease, box-shadow .2s ease;
    text-align: left;
    display: flex; flex-direction: column; gap: 5px;
    min-height: 116px;
}
.cours-mode-tile:hover { transform: translateY(-3px); box-shadow: 0 16px 30px color-mix(in srgb, var(--mode-accent, #5B5BF5) 24%, transparent); }
.cours-mode-tile__icon {
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border-radius: 13px;
    background: color-mix(in srgb, var(--mode-accent, #5B5BF5) 16%, transparent);
    color: var(--mode-accent, #5B5BF5);
    font-size: 1.3rem;
    margin-bottom: 5px;
}
.cours-mode-tile__title { font-weight: 700; font-size: 1rem; color: var(--text-primary); line-height: 1.2; letter-spacing: -0.01em; }
.cours-mode-tile__sub { font-size: 0.82rem; color: var(--text-muted); line-height: 1.3; }
.cours-quiz-list { margin-top: 22px; }
.cours-quiz-tile {
    position: relative;
    display: flex; align-items: center; gap: 12px;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 16px;
    background: var(--card-bg);
    border: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    cursor: pointer;
    transition: transform .14s ease;
}
.cours-quiz-tile:hover { transform: translateY(-2px); }
.cours-quiz-tile__icon {
    width: 42px; height: 42px;
    flex: 0 0 auto;
    display: grid; place-items: center;
    border-radius: 12px;
    background: color-mix(in srgb, var(--q-accent, #5B5BF5) 14%, transparent);
    color: var(--q-accent, #5B5BF5);
    font-size: 1.2rem;
}
.cours-quiz-tile__body { flex: 1; min-width: 0; }
.cours-quiz-tile__title { font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cours-quiz-tile__meta { font-size: 0.8rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cours-quiz-tile__date { font-size: 0.72rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; margin-top: 3px; }
.cours-quiz-tile__del {
    border: none; background: transparent;
    color: var(--text-muted); font-size: 1.1rem; cursor: pointer; padding: 4px;
}
.cours-quiz-tile__del:hover { color: var(--aurora-secondary, #FF7A59); }

/* ===================================================================
   DIALOGS / SHEETS (overlays maison, dark-safe)
   =================================================================== */
.cours-overlay {
    position: fixed; inset: 0;
    z-index: 2000;
    display: flex;
    background: rgba(8,10,25,.5);
    backdrop-filter: blur(2px);
    animation: coursFade .2s ease;
}
@keyframes coursFade { from { opacity: 0; } to { opacity: 1; } }
.cours-overlay.is-bottom { align-items: flex-end; }
.cours-overlay.is-center { align-items: center; justify-content: center; padding: 20px; }

.cours-sheet {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 28px 28px 0 0;
    padding: 18px 20px 28px;
    box-shadow: 0 -10px 40px rgba(0,0,0,.25);
    animation: coursSlideUp .26s cubic-bezier(.16,1,.3,1);
    max-height: 86vh; overflow-y: auto;
}
@keyframes coursSlideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.cours-sheet__handle { width: 40px; height: 4px; border-radius: 2px; background: var(--border-color); margin: 0 auto 16px; }
.cours-sheet__title { font-weight: 700; font-size: 1.15rem; color: var(--text-primary); margin: 0 0 16px; }

.cours-dialog {
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 24px 60px rgba(0,0,0,.3);
    animation: coursPop .22s cubic-bezier(.16,1,.3,1);
}
@keyframes coursPop { from { transform: scale(.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.cours-dialog__icon {
    width: 56px; height: 56px;
    margin: 0 auto 14px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--aurora-gradient);
    color: #fff; font-size: 1.6rem;
}
.cours-dialog__title { font-weight: 700; font-size: 1.15rem; color: var(--text-primary); margin: 0 0 8px; }
.cours-dialog.is-centered .cours-dialog__title,
.cours-dialog.is-centered .cours-dialog__body { text-align: center; }
.cours-dialog__body { font-size: 0.93rem; color: var(--text-secondary); margin: 0 0 18px; }
.cours-dialog__input {
    width: 100%;
    border: none;
    border-radius: 14px;
    padding: 13px 16px;
    background: var(--soft-surface, #f1f3f9);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    margin-bottom: 18px;
}
.cours-dialog__input:focus { box-shadow: inset 0 0 0 1.6px var(--aurora-primary); }
.cours-dialog__actions { display: flex; gap: 10px; justify-content: flex-end; }
.cours-dialog.is-centered .cours-dialog__actions { justify-content: center; }
.cours-dlg-btn {
    border: none;
    padding: 11px 20px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
}
.cours-dlg-btn.is-text { background: transparent; color: var(--aurora-primary); }
.cours-dlg-btn.is-filled { background: var(--aurora-primary); color: #fff; }
.cours-dlg-btn.is-danger { background: var(--aurora-secondary, #FF7A59); color: #fff; }
.cours-dlg-btn.is-text:hover { background: color-mix(in srgb, var(--aurora-primary) 8%, transparent); }

/* Menu list (bottom sheet actions) */
.cours-menu-item {
    display: flex; align-items: center; gap: 14px;
    width: 100%;
    border: none; background: transparent;
    padding: 14px 8px;
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.98rem; font-weight: 500;
    cursor: pointer;
    text-align: left;
}
.cours-menu-item:hover { background: var(--soft-surface, #f1f3f9); }
.cours-menu-item i { font-size: 1.2rem; color: var(--text-secondary); }
.cours-menu-item.is-danger, .cours-menu-item.is-danger i { color: var(--aurora-secondary, #FF7A59); }

/* Color picker */
.cours-color-grid { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cours-swatch {
    width: 54px; height: 54px;
    border: 3px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    display: grid; place-items: center;
    color: #fff; font-size: 1.3rem;
    box-shadow: 0 4px 10px rgba(0,0,0,.18);
    transition: transform .15s ease;
}
.cours-swatch:hover { transform: scale(1.08); }
.cours-swatch.is-active { border-color: var(--text-primary); }

/* Source type picker */
.cours-source-pick { display: flex; flex-direction: column; gap: 10px; }
.cours-source-pick__item {
    display: flex; align-items: center; gap: 14px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 14px;
    background: var(--card-bg);
    cursor: pointer;
    text-align: left;
    transition: border-color .16s ease, transform .16s ease;
}
.cours-source-pick__item:hover { border-color: var(--aurora-primary); transform: translateY(-2px); }
.cours-source-pick__icon {
    width: 44px; height: 44px;
    flex: 0 0 auto;
    display: grid; place-items: center;
    border-radius: 12px;
    background: color-mix(in srgb, var(--sp-accent, #5B5BF5) 14%, transparent);
    color: var(--sp-accent, #5B5BF5);
    font-size: 1.3rem;
}
.cours-source-pick__title { font-weight: 600; color: var(--text-primary); }
.cours-source-pick__sub { font-size: 0.82rem; color: var(--text-muted); }

/* Question count tiles */
.cours-count-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cours-count-tile {
    position: relative;
    width: 92px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 14px 12px;
    background: var(--card-bg);
    cursor: pointer;
    text-align: center;
    transition: border-color .16s ease, transform .16s ease;
}
.cours-count-tile:hover { border-color: var(--aurora-primary); transform: translateY(-2px); }
.cours-count-tile__num { font-weight: 700; font-size: 1.25rem; color: var(--text-primary); }
.cours-count-tile__label { font-size: 0.78rem; color: var(--text-muted); }
.cours-count-tile__crown { position: absolute; top: 6px; right: 8px; color: #F59E0B; font-size: 0.9rem; }

/* Paste text / youtube input */
.cours-field-label { font-weight: 600; color: var(--text-primary); margin: 0 0 8px; }
.cours-textarea {
    width: 100%;
    min-height: 160px;
    border: none;
    border-radius: 14px;
    padding: 14px 16px;
    background: var(--soft-surface, #f1f3f9);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    resize: vertical;
    margin-bottom: 16px;
}
.cours-textarea:focus { box-shadow: inset 0 0 0 1.6px var(--aurora-primary); }

/* Instructions de génération (onglet Quiz du cours) */
.cours-quiz-instr { margin: 0 0 16px; }
.cours-quiz-instr.is-active { border-color: var(--aurora-primary); color: var(--aurora-primary); }
.cours-instr-intro { display: flex; gap: 12px; align-items: flex-start; margin: 2px 0 16px; }
.cours-instr-intro__icon {
    width: 42px; height: 42px; flex: 0 0 42px;
    display: grid; place-items: center;
    border-radius: 12px;
    background: var(--aurora-gradient);
    color: #fff; font-size: 1.05rem;
}
.cours-instr-intro__title { font-weight: 700; color: var(--text-primary); font-size: 1rem; }
.cours-instr-intro__sub { font-size: 0.85rem; color: var(--text-secondary); margin-top: 2px; line-height: 1.4; }
.cours-instr-suggest-label { font-weight: 600; font-size: 0.85rem; color: var(--text-secondary); margin: 4px 0 10px; }
.cours-instr-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.cours-instr-chip {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.cours-instr-chip:hover { border-color: var(--aurora-primary); background: color-mix(in srgb, var(--aurora-primary) 8%, transparent); transform: translateY(-1px); }

/* Generation dialog */
.cours-gen { text-align: center; }
.cours-gen__ring {
    width: 86px; height: 86px;
    margin: 0 auto 18px;
    position: relative;
}
.cours-gen__ring svg { transform: rotate(-90deg); }
.cours-gen__ring-track { stroke: var(--soft-surface, #e7eaf3); }
.cours-gen__ring-fill { stroke: var(--aurora-primary); transition: stroke-dashoffset .4s ease; }
.cours-gen__pct { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; color: var(--text-primary); }
.cours-gen__title { font-weight: 700; font-size: 1rem; color: var(--text-primary); margin: 0 0 6px; }
.cours-gen__sub { font-size: 0.84rem; color: var(--text-muted); margin: 0; }

/* Loader (extraction) */
.cours-mini-loader { display: inline-block; width: 22px; height: 22px; border: 3px solid color-mix(in srgb, var(--aurora-primary) 25%, transparent); border-top-color: var(--aurora-primary); border-radius: 50%; animation: coursSpin .8s linear infinite; }
@keyframes coursSpin { to { transform: rotate(360deg); } }

/* Entrance animation for cards */
.cours-anim-in { animation: coursCardIn .42s cubic-bezier(.16,1,.3,1) backwards; }
@keyframes coursCardIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }