/* =====================================================================
   Sujets de concours (espace élève) — /eleve/concours/sujets
   Charte du module concours : orange #ff5500 (action), vert #22C55E (corrigé),
   turquoise #06B6D4 (repères), ambre (premium). Rayons 12 / 20 px, ombres douces.
   La bannière n'est pas concernée (styles : student-concours-index.css).
   ===================================================================== */

.cs-page {
    --cs-orange: var(--concours-orange, #ff5500);
    --cs-orange-dark: #ff5500;
    --cs-orange-soft: rgba(255, 85, 0, 0.10);
    --cs-turquoise: var(--concours-blue, #06B6D4);
    --cs-turquoise-soft: rgba(6, 182, 212, 0.12);
    --cs-green-soft: rgba(34, 197, 94, 0.14);
    --cs-amber: #ff5500;
    --cs-ink: #0f172a;
    --cs-muted: #64748b;
    --cs-line: #e2e8f0;
    --cs-surface: #ffffff;
    --cs-radius: 14px;
    --cs-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
    --cs-shadow-hover: 0 14px 34px rgba(15, 23, 42, 0.13);

    background: #f8fafc;
    padding: 2rem 0 4.5rem;
    color: var(--cs-ink);
}

/* ───────── Barre de filtres ───────── */
.cs-filters {
    background: var(--cs-surface);
    border: 1px solid var(--cs-line);
    border-radius: var(--concours-radius-lg, 20px);
    box-shadow: var(--cs-shadow);
    padding: 1.25rem 1.5rem 1.4rem;
}

.cs-filters__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.cs-filters__title {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--cs-ink);
}

.cs-filters__title i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 10px;
    background: var(--cs-orange-soft);
    color: var(--cs-orange);
}

.cs-label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--cs-muted);
}

.cs-select {
    min-height: 2.65rem;
    border: 1px solid var(--cs-line);
    border-radius: 10px;
    background-color: #fff;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--cs-ink);
    box-shadow: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cs-select:hover { border-color: #cbd5e1; }

.cs-select:focus {
    border-color: var(--cs-orange);
    box-shadow: 0 0 0 3px var(--cs-orange-soft);
}

.cs-select--sort { width: auto; min-width: 12.5rem; }

/* Interrupteur « Avec corrigé » */
.cs-switch {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 2.65rem;
    padding-left: 0;
    margin-bottom: 0;
}

.cs-switch .form-check-input {
    float: none;
    width: 2.6rem;
    height: 1.4rem;
    margin: 0;
    cursor: pointer;
    border-color: #cbd5e1;
}

.cs-switch .form-check-input:checked {
    background-color: var(--concours-green, #22C55E);
    border-color: var(--concours-green, #22C55E);
}

.cs-switch .form-check-input:focus {
    box-shadow: 0 0 0 3px var(--cs-green-soft);
}

.cs-switch .form-check-label {
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

/* ───────── Pastilles des filtres actifs ───────── */
.cs-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.cs-chips__label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--cs-muted);
    margin-right: 0.25rem;
}

.cs-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.28rem 0.35rem 0.28rem 0.85rem;
    border-radius: 999px;
    background: var(--cs-orange-soft);
    border: 1px solid rgba(255, 85, 0, 0.28);
    color: #ff5500;
    font-size: 0.82rem;
    font-weight: 500;
}

.cs-chip strong { font-weight: 700; color: #7c2d12; }

.cs-chip a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    background: rgba(255, 85, 0, 0.18);
    color: #ff5500;
    font-size: 0.62rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.cs-chip a:hover { background: var(--cs-orange); color: #fff; }

.cs-chips__clear {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: 0.25rem;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--cs-muted);
    text-decoration: none;
}

.cs-chips__clear:hover { color: var(--cs-orange-dark); text-decoration: underline; }

/* ───────── En-tête d'un bloc : titre, tri, grille / liste ───────── */
.cs-section { margin-top: 2.25rem; }

.cs-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem 1.25rem;
    margin-bottom: 1.25rem;
}

.cs-toolbar__title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.cs-toolbar__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 12px;
    background: #ff5500;
    color: #fff;
    font-size: 1.15rem;
    box-shadow: 0 6px 14px rgba(255, 85, 0, 0.28);
}

.cs-toolbar__icon--shared {
    background: linear-gradient(135deg, #06B6D4, #0EA5E9);
    box-shadow: 0 6px 14px rgba(6, 182, 212, 0.28);
}

.cs-count {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.1rem 0.6rem;
    border-radius: 999px;
    background: var(--cs-turquoise-soft);
    color: #0e7490;
    font-size: 0.8rem;
    font-weight: 800;
    vertical-align: middle;
}

.cs-toolbar__hint {
    margin: 0;
    font-size: 0.9rem;
    color: var(--cs-muted);
}

.cs-toolbar__tools {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

/* Bascule grille / liste */
.cs-seg {
    display: inline-flex;
    padding: 4px;
    gap: 4px;
    background: #fff;
    border: 1px solid var(--cs-line);
    border-radius: 12px;
}

.cs-seg__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.42rem 0.85rem;
    border-radius: 9px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cs-muted);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.cs-seg__btn:hover { color: var(--cs-ink); background: #f1f5f9; }

.cs-seg__btn.is-active,
.cs-seg__btn.is-active:hover {
    background: var(--cs-orange);
    color: #fff;
    box-shadow: 0 4px 10px rgba(255, 85, 0, 0.3);
}

/* ───────── Bouton d'action ───────── */
.cs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border: 0;
    border-radius: 10px;
    background: var(--cs-orange);
    color: #fff;
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cs-btn:hover {
    background: var(--cs-orange-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(255, 85, 0, 0.3);
}

.cs-btn--sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }

/* ───────── Étiquettes ───────── */
.cs-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.cs-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.35;
}

.cs-tag--subject { background: var(--cs-turquoise-soft); color: #0e7490; }
.cs-tag--origin { background: var(--cs-orange-soft); color: #ff5500; }
.cs-tag--ok { background: var(--cs-green-soft); color: #15803d; }
.cs-tag--premium { background: rgba(255, 85, 0, 0.16); color: #ff5500; }

.cs-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cs-muted);
}

.cs-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.38;
    color: var(--cs-ink);
}

.cs-title a { color: inherit; text-decoration: none; }
.cs-title a:hover { color: var(--cs-orange-dark); }

/* ───────── Grille : 4 cartes par ligne (col-lg-3) ───────── */
.cs-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background: var(--cs-surface);
    border: 1px solid var(--cs-line);
    border-radius: var(--cs-radius);
    box-shadow: var(--cs-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.cs-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 85, 0, 0.35);
    box-shadow: var(--cs-shadow-hover);
}

.cs-cover {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 124px;
    overflow: hidden;
    background: #ff5500;
}

.cs-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cs-cover__icon {
    position: relative;
    font-size: 3.1rem;
    color: rgba(255, 255, 255, 0.62);
    filter: drop-shadow(0 4px 10px rgba(124, 45, 18, 0.25));
}

.cs-year {
    position: absolute;
    left: 0.8rem;
    top: 0.8rem;
    z-index: 1;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: #fff;
    color: var(--cs-ink);
    font-size: 0.78rem;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.18);
}

.cs-lock {
    position: absolute;
    right: 0.8rem;
    top: 0.8rem;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.82);
    color: #fcd34d;
    font-size: 0.72rem;
    font-weight: 800;
}

.cs-body {
    flex: 1;
    padding: 1rem 1.1rem 0.6rem;
}

.cs-card .cs-title {
    margin-top: 0.65rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.76em;
}

.cs-foot {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1.1rem 1rem;
    border-top: 1px solid #f1f5f9;
}

.cs-foot .cs-btn { margin-left: auto; }

/* ───────── Liste : une ligne par sujet ───────── */
.cs-list { display: flex; flex-direction: column; gap: 0.8rem; }

.cs-row {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    padding: 0.95rem 1.2rem;
    background: var(--cs-surface);
    border: 1px solid var(--cs-line);
    border-radius: var(--cs-radius);
    box-shadow: var(--cs-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.cs-row:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 85, 0, 0.35);
    box-shadow: var(--cs-shadow-hover);
}

.cs-row__year {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4.1rem;
    height: 4.1rem;
    border-radius: 14px;
    background: #ff5500;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 6px 14px rgba(255, 85, 0, 0.25);
}

.cs-row__main { flex: 1; min-width: 0; }
.cs-row__main .cs-tags { margin-top: 0.5rem; }

.cs-desc {
    margin: 0.55rem 0 0;
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--cs-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cs-row__side {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

/* ───────── Pagination ───────── */
.cs-pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.cs-pagination .pagination { margin-bottom: 0; gap: 0.25rem; }

/* « Affichage de 16 à 30 sur 103 résultats » : aligné sur les boutons, un peu à l'écart */
.cs-pagination nav > .d-sm-flex { gap: 1.25rem; }
.cs-pagination nav p { margin: 0; }

.cs-pagination .page-link {
    border: 1px solid var(--cs-line);
    border-radius: 10px !important;
    color: var(--cs-ink);
    font-weight: 600;
    min-width: 2.5rem;
    text-align: center;
}

.cs-pagination .page-link:hover { background: var(--cs-orange-soft); color: var(--cs-orange-dark); }

.cs-pagination .page-item.active .page-link {
    background: var(--cs-orange);
    border-color: var(--cs-orange);
    color: #fff;
}

/* ───────── États vides ───────── */
.cs-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--cs-surface);
    border: 1px dashed #cbd5e1;
    border-radius: var(--concours-radius-lg, 20px);
}

.cs-empty__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    border-radius: 50%;
    background: var(--cs-orange-soft);
    color: var(--cs-orange);
    font-size: 1.7rem;
}

.cs-empty h3 { margin: 0 0 0.4rem; font-size: 1.15rem; font-weight: 800; }
.cs-empty p { margin: 0 auto 1.25rem; max-width: 30rem; color: var(--cs-muted); }

/* ───────── Écrans moyens et mobiles ───────── */
@media (max-width: 767.98px) {
    .cs-filters { padding: 1rem 1rem 1.15rem; }
    .cs-toolbar__tools { width: 100%; }
    .cs-select--sort { flex: 1; min-width: 0; }
    .cs-row { flex-wrap: wrap; gap: 0.85rem; }
    .cs-row__year { width: 3.4rem; height: 3.4rem; font-size: 0.95rem; }
    .cs-row__main { flex-basis: calc(100% - 4.5rem); }
    .cs-row__side { width: 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
    .cs-card, .cs-row, .cs-btn { transition: none; }
    .cs-card:hover, .cs-row:hover, .cs-btn:hover { transform: none; }
}


/* ───────── Accueil de l'élève concours : mêmes cartes, trois lignes ───────── */
.cs-home-row + .cs-home-row { margin-top: 2.75rem; }

.cs-cover--quiz { background: linear-gradient(135deg, #06B6D4 0%, #0EA5E9 58%, #38BDF8 100%); }

/* Couverture de livre : plus haute, l'image remplit le cadre (logo de la librairie centré par défaut) */
.cs-cover--book { height: 215px; background: #1e40af; }
.cs-cover--book img { object-position: center 45%; }

.cs-flag {
    position: absolute;
    left: 0.8rem;
    top: 0.8rem;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: #fff;
    color: #ff5500;
    font-size: 0.74rem;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.18);
}

.cs-flag i { color: var(--cs-amber); }

.cs-price {
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--cs-orange-dark);
}

.cs-toolbar__icon--book {
    background: linear-gradient(135deg, #22C55E, #16A34A);
    box-shadow: 0 6px 14px rgba(34, 197, 94, 0.28);
}

.cs-more {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1.05rem;
    border: 1px solid rgba(255, 85, 0, 0.4);
    border-radius: 999px;
    background: #fff;
    color: var(--cs-orange-dark);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

.cs-more:hover {
    background: var(--cs-orange);
    color: #fff;
    transform: translateX(2px);
}

/* ───────── Grille de sujets : 5 par ligne sur grand écran ───────── */
.cs-grid5 {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
}

@media (min-width: 576px) { .cs-grid5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 768px) { .cs-grid5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 992px) { .cs-grid5 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .cs-grid5 { grid-template-columns: repeat(5, minmax(0, 1fr)); } }

.cs-grid5 .cs-card { height: 100%; }

/* Forme du sujet sur la carte : contenu rédigé ou document */
.cs-form {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    color: var(--cs-muted);
}

.cs-tag--new { background: rgba(213, 81, 129, 0.12); color: #a32d5c; }

/* ───────── Carte de sujet : type sur la couverture, origine au-dessus du titre, bouton pleine largeur ───────── */
.cs-kind {
    position: absolute;
    left: 0.8rem;
    bottom: 0.7rem;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: #ff5500;
    font-size: 0.7rem;
    font-weight: 800;
}

.cs-origin {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 0.25rem;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--cs-orange-dark);
}

.cs-card .cs-body {
    padding: 0.9rem 1rem 0.55rem;
}

.cs-card .cs-title {
    margin: 0 0 0.6rem;
    font-size: 0.96rem;
}

.cs-card .cs-foot {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.7rem 1rem 0.9rem;
}

.cs-card .cs-foot .cs-btn {
    flex: 1 0 100%;
    margin-left: 0;
}