:root {
    --main-color: #d30d0d;
    --primary-color: #d30d0d;
    --secondary-color: #9c0a0a;
    --accent-color: #ff5252;
    --light-color: #f9f0f0;
    --dark-color: #3a0c0c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --text-color: #141622;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

#ee-detail-root > header,
#ee-consignes > header {
    background: var(--text-color);
    color: white;
    padding: 1.15rem 0;
    text-align: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    position: relative;
    border-radius: 12px;
    margin-bottom: 1.15rem;
    overflow: hidden;
}

.header-content {
    max-width: 40rem;
    margin: 0 auto;
    padding: 0 1rem;
}

#ee-detail-root > header h1,
#ee-consignes > header h1 {
    font-size: clamp(1.15rem, 2.4vw, 1.55rem);
    margin: 0 0 0.45rem;
    line-height: 1.25;
    font-weight: 750;
}

#ee-detail-root > header h1::after,
#ee-consignes > header h1::after {
    content: '';
    display: block;
    width: 2.4rem;
    height: 3px;
    margin: 0.55rem auto 0;
    border-radius: 999px;
    background: #d30d0d;
}

#ee-detail-root > header .subtitle,
#ee-consignes > header .subtitle {
    font-size: clamp(0.8rem, 1.6vw, 0.92rem);
    opacity: 0.88;
    line-height: 1.4;
    margin: 0;
}

@media (max-width: 600px) {
    #ee-detail-root > header,
    #ee-consignes > header {
        padding: 0.75rem 0;
        margin-bottom: 0.85rem;
        border-radius: 10px;
    }

    #ee-detail-root > header h1,
    #ee-consignes > header h1 {
        font-size: 1.05rem;
        margin-bottom: 0.3rem;
    }

    #ee-detail-root > header h1::after,
    #ee-consignes > header h1::after {
        width: 1.85rem;
        height: 2.5px;
        margin-top: 0.4rem;
    }

    #ee-detail-root > header .subtitle,
    #ee-consignes > header .subtitle {
        font-size: 0.78rem;
    }
}

/* Safety: keep site brand readable in global navbar */
.header .logo h1 {
    color: #141622 !important;
    font-weight: 800 !important;
}

.header .logo h1 span {
    font-weight: 800 !important;
}

.container {
    width: min(92%, 960px);
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem clamp(0.75rem, 3vw, 1.25rem);
    box-sizing: border-box;
}

.publication-panel {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 1.2rem;
    margin-bottom: 1.5rem;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.panel-head h2 {
    font-size: 1.1rem;
    color: var(--text-color);
}

.publication-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.publication-options label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--dark-color);
}

.publication-options select {
    border: 1px solid #d9dce3;
    border-radius: 9px;
    padding: 0.55rem 0.7rem;
    font-size: 0.95rem;
}

.pill-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pill {
    border: 1px solid #d7dbe7;
    border-radius: 999px;
    padding: 0.32rem 0.9rem;
    font-size: 0.85rem;
    color: #49556c;
    background: #f8f9fd;
}

.pill.active {
    color: #fff;
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.simulator-open-btn,
.simulate-btn,
.simulator-close-btn {
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
}

.simulator-open-btn,
.simulate-btn {
    background: var(--primary-color);
    color: #fff;
    padding: 0.55rem 1rem;
}

.simulator-close-btn {
    background: #edf0f7;
    color: #2f3950;
    padding: 0.5rem 0.95rem;
}

.combinaison {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.combinaison:hover {
    transform: translateY(-5px);
}

.combinaison-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.combinaison-header h2 {
    font-size: 0.98rem;
    margin: 0;
}

.combinaison-content {
    padding: 1.5rem;
    display: none;
}

.combinaison-content p,
.combinaison-content li,
.combinaison-content div,
.combinaison-content span {
    font-size: 0.98rem !important;
    line-height: 1.6 !important;
}

.ee-consigne-body p,
.ee-consigne-body li,
.ee-consigne-body div,
.ee-consigne-body span {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
}

.combinaison.active .combinaison-content {
    display: block;
}

/* ========== Consignes EE : mêmes cartes combinaison ========== */
#ee-consignes-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

#ee-consignes-container .combinaison {
    margin-bottom: 1rem;
}

#ee-consignes-container .combinaison:hover {
    transform: none;
}

#ee-consignes-container .combinaison-header {
    padding: 0.7rem 1rem;
}

#ee-consignes-container .combinaison-header h2 {
    font-size: 0.95rem;
    font-weight: 700;
}

#ee-consignes-container .ee-consigne-meta--in-body {
    display: block;
    margin: 0 0 0.75rem;
    padding: 0.45rem 0.7rem;
    border-radius: 8px;
    background: rgba(211, 13, 13, 0.08);
    border: 1px solid rgba(211, 13, 13, 0.18);
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.4;
    color: #7a1010;
}

#ee-consignes-container .combinaison-content {
    padding: 1rem 1.15rem;
}

#ee-consignes-container .ee-consigne-body h4 {
    margin: 0.85rem 0 0.4rem;
    color: var(--main-color, #d30d0d);
    font-size: 0.95rem !important;
    font-weight: 700;
}

#ee-consignes-container .ee-consigne-body h4:first-child {
    margin-top: 0;
}

#ee-consignes-container .ee-consigne-body p,
#ee-consignes-container .ee-consigne-body li {
    font-size: 0.92rem !important;
    line-height: 1.55 !important;
    color: #3a4150;
}

#ee-consignes-container .ee-consigne-body ul {
    margin: 0.25rem 0 0.5rem;
    padding-left: 1.15rem;
}

#ee-consignes-container .ee-consigne-body p {
    margin: 0 0 0.45rem;
}

.tcf-consigne-empty {
    color: #64748b;
    margin: 0;
    font-size: 0.92rem;
}

/* Consignes EO / CE / CO : mêmes cartes combinaison que EE */
#eo-consignes-container,
#ce-consignes-container,
#co-consignes-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}
#eo-consignes-container .combinaison,
#ce-consignes-container .combinaison,
#co-consignes-container .combinaison {
    margin-bottom: 1rem;
}
#eo-consignes-container .combinaison:hover,
#ce-consignes-container .combinaison:hover,
#co-consignes-container .combinaison:hover {
    transform: none;
}
#eo-consignes-container .combinaison-header,
#ce-consignes-container .combinaison-header,
#co-consignes-container .combinaison-header {
    padding: 0.7rem 1rem;
}
#eo-consignes-container .combinaison-header h2,
#ce-consignes-container .combinaison-header h2,
#co-consignes-container .combinaison-header h2 {
    font-size: 0.95rem;
    font-weight: 700;
}
#eo-consignes-container .ee-consigne-meta--in-body,
#ce-consignes-container .ee-consigne-meta--in-body,
#co-consignes-container .ee-consigne-meta--in-body {
    display: block;
    margin: 0 0 0.75rem;
    padding: 0.45rem 0.7rem;
    border-radius: 8px;
    background: rgba(211, 13, 13, 0.08);
    border: 1px solid rgba(211, 13, 13, 0.18);
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.4;
    color: #7a1010;
}
#eo-consignes-container .combinaison-content,
#ce-consignes-container .combinaison-content,
#co-consignes-container .combinaison-content {
    padding: 1rem 1.15rem;
}
#eo-consignes-container .ee-consigne-body h4,
#ce-consignes-container .ee-consigne-body h4,
#co-consignes-container .ee-consigne-body h4 {
    margin: 0.85rem 0 0.4rem;
    color: var(--main-color, #d30d0d);
    font-size: 0.95rem !important;
    font-weight: 700;
}
#eo-consignes-container .ee-consigne-body h4:first-child,
#ce-consignes-container .ee-consigne-body h4:first-child,
#co-consignes-container .ee-consigne-body h4:first-child {
    margin-top: 0;
}
#eo-consignes-container .ee-consigne-body p,
#eo-consignes-container .ee-consigne-body li,
#ce-consignes-container .ee-consigne-body p,
#ce-consignes-container .ee-consigne-body li,
#co-consignes-container .ee-consigne-body p,
#co-consignes-container .ee-consigne-body li {
    font-size: 0.92rem !important;
    line-height: 1.55 !important;
    color: #3a4150;
}
#eo-consignes-container .ee-consigne-body ul,
#ce-consignes-container .ee-consigne-body ul,
#co-consignes-container .ee-consigne-body ul {
    margin: 0.25rem 0 0.5rem;
    padding-left: 1.15rem;
}
#eo-consignes-container .ee-consigne-body p,
#ce-consignes-container .ee-consigne-body p,
#co-consignes-container .ee-consigne-body p {
    margin: 0 0 0.45rem;
}

/* EO garde l’ancienne nav pills + cartes simples */
.tcf-consigne-nav.task-navigation {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 0.35rem 0 1.25rem;
    justify-content: center;
}
.tcf-consigne-nav .task-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid #e5e7eb;
    background: #fff;
    color: var(--text-color, #141622);
    border-radius: 999px;
    padding: 0.55rem 1rem;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.tcf-consigne-nav .task-btn:hover {
    border-color: rgba(211, 13, 13, 0.35);
    color: var(--main-color, #d30d0d);
    transform: translateY(-1px);
}
.tcf-consigne-nav .task-btn.active {
    background: var(--main-color, #d30d0d);
    border-color: var(--main-color, #d30d0d);
    color: #fff;
}
.tcf-consigne-card.task-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem 1.35rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-top: 5px solid var(--main-color, #d30d0d);
    position: relative;
    overflow: hidden;
}
.tcf-consigne-card h3 {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 0.35rem;
    font-size: 1.2rem;
    color: var(--text-color, #141622);
}
.tcf-consigne-card h3 i {
    color: var(--main-color, #d30d0d);
}
.tcf-consigne-meta {
    margin: 0 0 1rem;
    color: #64748b;
    font-size: 0.95rem !important;
    line-height: 1.45 !important;
    font-weight: 600;
}
.ee-consigne-body .consigne-section {
    background: #f8fafc;
    border: 1px solid #eef2f7;
    border-radius: 12px;
    padding: 1rem 1.1rem;
    margin: 0 0 0.9rem;
}
.ee-consigne-body .consigne-section:last-child {
    margin-bottom: 0;
}
.ee-consigne-body .consigne-section h3 {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0 0.65rem;
    font-size: 1.05rem !important;
    color: var(--text-color, #141622);
}
.ee-consigne-body .consigne-section h3 i {
    color: var(--main-color, #d30d0d);
}
.ee-consigne-body .consigne-section ul {
    margin: 0;
    padding-left: 1.15rem;
}
.ee-consigne-body .consigne-section li {
    margin: 0.35rem 0;
}

.tache {
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

/* Tâches d’une combinaison (expression écrite) : une carte sous l’autre */
.ee-task-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: stretch;
}

.ee-task-grid .tache {
    margin-bottom: 0;
    border-left: none;
    padding: 1rem;
    border: 1px solid #e6e8ef;
    border-top: 4px solid var(--primary-color);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 6px 16px rgba(20, 22, 34, 0.06);
}

/* En-tête carte : titre à gauche, détails à droite (pas de favori) */
#ee-combos-container .ee-tache__head {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0 0 0.75rem;
}

#ee-combos-container .ee-tache__title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    flex-shrink: 0;
}

#ee-combos-container .ee-tache__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.65rem;
    height: 1.65rem;
    border-radius: 8px;
    background: var(--primary-color, #d30d0d);
    color: #fff !important;
    font-size: 0.85rem !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    flex-shrink: 0;
}

#ee-combos-container .ee-tache__title h3 {
    margin: 0 !important;
    color: var(--primary-color, #d30d0d);
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    white-space: nowrap;
}

#ee-combos-container .ee-tache__meta {
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.28rem;
    margin: 0 !important;
    padding: 0;
    min-width: 0;
    flex: 1 1 auto;
    font-size: 0.78rem !important;
    font-weight: 600 !important;
    line-height: 1.25 !important;
    color: #64748b !important;
    text-align: right;
    white-space: nowrap;
}

#ee-combos-container .ee-tache__meta span,
#ee-combos-container .ee-tache__meta i {
    font-size: inherit !important;
    line-height: inherit !important;
    color: inherit !important;
}

#ee-combos-container .ee-tache__dot {
    opacity: 0.7;
}

#ee-combos-container .ee-tache__time {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    white-space: nowrap;
}

#ee-combos-container .ee-tache__time i {
    font-size: 0.95em !important;
}

@media (max-width: 700px) {
    #ee-combos-container .ee-tache__head {
        gap: 0.4rem;
    }

    #ee-combos-container .ee-tache__num {
        width: 1.4rem;
        height: 1.4rem;
        font-size: 0.75rem !important;
        border-radius: 6px;
    }

    #ee-combos-container .ee-tache__title h3 {
        font-size: 1rem !important;
    }

    #ee-combos-container .ee-tache__meta {
        font-size: 0.62rem !important;
        gap: 0.18rem;
    }
}

@media (max-width: 420px) {
    #ee-combos-container .ee-tache__head {
        align-items: flex-start;
    }

    #ee-combos-container .ee-tache__title h3 {
        font-size: 0.92rem !important;
    }

    #ee-combos-container .ee-tache__meta {
        flex-wrap: wrap;
        white-space: normal;
        font-size: 0.58rem !important;
        gap: 0.12rem 0.18rem;
        justify-content: flex-end;
    }
}

.tache h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem !important;
}

.tache .enonce-label {
    display: block;
    color: var(--success-color);
    margin: 0 0 0.5rem 0;
    font-size: 1rem !important;
    font-weight: 700 !important;
    line-height: 1.3;
    letter-spacing: 0;
    text-transform: none;
    font-style: normal;
}

.correction {
    background-color: var(--light-color);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 0.5rem;
    position: relative;
}

.correction h4 {
    color: var(--success-color);
    margin-bottom: 0.5rem;
    font-size: 1rem !important;
}

.correction p,
.correction li {
    font-size: 0.95rem !important;
}

.simulator-section {
    display: none;
    margin-top: 0.5rem;
}

.simulator-section.open {
    display: block;
}

.simulator-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.09);
    padding: 1.2rem;
}

.simulator-chat-log {
    border: 1px solid #d7ddeb;
    border-radius: 10px;
    background: #f8f9fd;
    padding: 0.8rem;
    min-height: 160px;
    max-height: 320px;
    overflow: auto;
    margin-bottom: 0.8rem;
}

.sim-chat-msg {
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.6rem;
}

.sim-chat-msg.assistant {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.sim-chat-msg.user {
    background: #eaf8ee;
    border: 1px solid #cfead8;
}

.sim-task-picker {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
}

.sim-pro-config {
    margin-bottom: 0.8rem;
}

.sim-pro-shell {
    border: 1px solid #dbe3f7;
}

.sim-pro-topbar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.9rem;
}

.sim-pro-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.82rem;
    color: #2c3a56;
    background: #f2f5ff;
    border: 1px solid #dbe3ff;
    border-radius: 999px;
}

.sim-pro-title {
    color: var(--primary-color);
    font-size: 1.08rem;
    margin: 0 0 0.65rem 0;
}

.sim-pro-brief {
    border: 1px solid #d7ddeb;
    border-radius: 10px;
    background: #f8f9fd;
    padding: 0.9rem;
    margin-bottom: 0.8rem;
}

.sim-pro-brief h4 {
    color: var(--primary-color);
    margin-bottom: 0.4rem;
    font-size: 1.15rem;
}

.sim-pro-writing {
    border-top: 1px dashed #d9dfed;
    padding-top: 0.8rem;
}

.sim-progress {
    position: relative;
    width: 100%;
    height: 8px;
    background: #edf2ff;
    border: 1px solid #dbe3ff;
    border-radius: 999px;
    margin: 0.55rem 0 0.8rem;
    overflow: hidden;
}

.sim-progress__bar {
    display: block;
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, #22c55e 0%, #f59e0b 70%, #ef4444 100%);
    transition: width 0.6s linear;
}

/* ---- Simulator V2 (professional redesign) ---- */
.sim-pro-shell-v2 {
    border: 1px solid #dbe2f3;
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafe 100%);
    box-shadow: 0 14px 34px rgba(20, 22, 34, 0.08);
    padding: 1rem;
}

.sim-v2-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    border-bottom: 1px solid #e5eaf7;
    padding-bottom: 0.8rem;
    margin-bottom: 0.9rem;
}

.sim-v2-title {
    margin: 0;
    color: #1f2a44;
    font-size: 1.15rem;
    font-weight: 800;
}

.sim-v2-sub {
    margin: 0.25rem 0 0;
    color: #5c6782;
    font-size: 0.92rem;
}

.sim-v2-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: flex-start;
}

.sim-v2-badges span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #7f1d1d;
    border-radius: 999px;
    padding: 0.3rem 0.6rem;
    font-size: 0.78rem;
    font-weight: 600;
}

.sim-v2-panel {
    background: #fff;
    border: 1px solid #e4e9f6;
    border-radius: 12px;
    padding: 0.9rem;
    margin-bottom: 0.9rem;
}

.sim-v2-step {
    margin: 0 0 0.6rem;
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 800;
}

.sim-v2-grid {
    display: grid;
    grid-template-columns: minmax(180px, 240px);
    gap: 0.75rem;
    margin-bottom: 0.7rem;
}

.sim-v2-field label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 700;
    color: #34415e;
}

.sim-v2-task {
    border: 1px solid #d6ddf2;
    background: #fff;
    color: #223154;
    border-radius: 10px;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    font-weight: 700;
}

.sim-v2-task:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.sim-v2-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.sim-v2-textarea {
    min-height: 220px;
    font-size: 1rem;
    line-height: 1.6;
    border: 1px solid #d8deee;
    border-radius: 12px;
}

.sim-v2-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 0.7rem;
}


#sim-mode {
    border: 1px solid #d7ddeb;
    border-radius: 10px;
    padding: 0.45rem 0.6rem;
}

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

#simulatorForm label {
    display: block;
    margin: 0.6rem 0 0.3rem;
    font-weight: 600;
    color: #2b3550;
}

#simulatorForm select,
#simulatorForm textarea {
    width: 100%;
    border: 1px solid #d7ddeb;
    border-radius: 10px;
    padding: 0.7rem;
    font-size: 0.95rem;
    resize: vertical;
}

.simulator-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.word-counter {
    color: #5d6474;
    font-size: 0.88rem;
}

.simulator-result {
    margin-top: 1rem;
    border-radius: 10px;
    background: #f8f9fd;
    border: 1px solid #dce2f3;
    padding: 0.9rem;
    display: none;
}

.simulator-result.visible {
    display: block;
}

.document {
    background-color: #f9f9f9;
    border-left: 3px solid var(--dark-color);
    padding: 1rem;
    margin: 1rem 0;
    font-style: normal;
}

.document p {
    font-size: 0.95rem !important;
}

.document h4 {
    color: var(--success-color) !important;
    margin-bottom: 0.5rem;
    font-size: 1rem !important;
    font-weight: 700 !important;
    letter-spacing: 0;
    text-transform: none;
    font-style: normal;
}

.icon {
    transition: transform 0.3s ease;
}

.combinaison.active .icon {
    transform: rotate(180deg);
}

.search-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.search-box {
    width: 100%;
    max-width: 500px;
    padding: 0.8rem 1.2rem;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-box:focus {
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: white;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

footer {
    background-color: var(--text-color);
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .container {
        width: 95%;
    }

    h1 {
        font-size: 2rem;
    }

    .combinaison-header h2 {
        font-size: 0.92rem;
    }

    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 100%;
        text-align: center;
    }

    .publication-options {
        grid-template-columns: 1fr;
    }

    .simulator-header,
    .simulator-meta,
    .panel-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .sim-pro-topbar {
        gap: 0.35rem;
    }

}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
}