/* ============ HEADER ============ */
#header {
    background: linear-gradient(135deg, #db9b38 0%, #c8891f 100%);
    color: #fff; padding: 10px 20px;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 4px 20px rgba(219,155,56,0.35);
    position: relative; z-index: 100; overflow: visible;
}
#header-logo { display:flex; align-items:center; gap:10px; position:relative; z-index:1; }
#header-logo-badge {
    width:44px; height:44px; border-radius:50%;
    background:#fff;
    display:flex; align-items:center; justify-content:center;
    flex-shrink:0;
    box-shadow:0 1px 4px rgba(0,0,0,0.18);
    overflow:hidden;
}
#header-logo img, #header-logo-badge img { height:32px; width:auto; flex-shrink:0; opacity:0.95; }
#header h1 { font-size:17px; font-weight:700; letter-spacing:0.5px; margin:0; color:#fff; }
#header h1 span { font-size:11px; font-weight:400; opacity:0.8; display:block; color:#fff; }

/* ============ BLOC UTILISATEUR HEADER ============ */
#header-right {
    display:-webkit-box; display:-ms-flexbox; display:flex;
    -webkit-box-align:center; -ms-flex-align:center; align-items:center;
    gap:10px; flex-shrink:0;
}
#user-bloc {
    display:-webkit-box; display:-ms-flexbox; display:flex;
    -webkit-box-align:center; -ms-flex-align:center; align-items:center;
    gap:8px;
}
.btn-header {
    background:rgba(0,0,0,0.18); color:#000; border:none;
    padding:8px 14px; border-radius:8px; cursor:pointer;
    font-size:13px; font-weight:600;
    -webkit-transition:background 0.2s; transition:background 0.2s;
    text-decoration:none;
    display:-webkit-inline-box; display:-ms-inline-flexbox; display:inline-flex;
    -webkit-box-align:center; -ms-flex-align:center; align-items:center;
    gap:5px; white-space:nowrap;
}
.btn-header:hover { background:rgba(0,0,0,0.32); text-decoration:none; color:#000; }
.btn-header.connexion { background:#10b981; color:#fff; }
.btn-header.connexion:hover { background:#059669; color:#fff; }
.btn-header.deconnexion { background:rgba(239,68,68,0.18); color:#7f1d1d; }
.btn-header.deconnexion:hover { background:rgba(239,68,68,0.35); }
.header-sep { width:1px; height:28px; background:rgba(0,0,0,0.2); flex-shrink:0; }
@media (max-width:600px) {
    #user-info { display:none; }
    .btn-header span.btn-txt { display:none; }
}

/* ============ ZONE CENTRALE ============ */
#page-center {
    -webkit-box-flex:1; -ms-flex:1; flex:1;
    display:-webkit-box; display:-ms-flexbox; display:flex;
    -webkit-box-align:center; -ms-flex-align:center; align-items:center;
    -webkit-box-pack:center; -ms-flex-pack:center; justify-content:center;
    padding:30px 16px 50px; /* 50px = hauteur footer fixe */
}
#page-center.premium-mode {
    -webkit-box-align:start; -ms-flex-align:start; align-items:flex-start;
    padding:0;
}

/* ============ CARTE AUTH ============ */
.auth-card {
    background:#fff;
    -webkit-border-radius:12px; -moz-border-radius:12px; border-radius:12px;
    -webkit-box-shadow:0 4px 20px rgba(0,0,0,0.10); box-shadow:0 4px 20px rgba(0,0,0,0.10);
    border:1px solid #e2e8f0;
    width:100%; max-width:480px;
    padding:32px 36px;
}
.auth-card h2 {
    font-size:20px; font-weight:700; color:#1e293b;
    margin-bottom:6px;
}
.auth-card .auth-subtitle {
    font-size:13px; color:#64748b; margin-bottom:22px;
}

/* ============ MESSAGES ============ */
.msg-ok {
    background:#d1fae5; border-left:4px solid #10b981; color:#065f46;
    padding:10px 14px; border-radius:4px; font-size:13px; margin-bottom:18px;
}
.msg-err {
    background:#fee2e2; border-left:4px solid #ef4444; color:#991b1b;
    padding:10px 14px; border-radius:4px; font-size:13px; margin-bottom:18px;
}
.msg-err ul { margin:4px 0 0 16px; }
.msg-err ul li { margin-bottom:2px; }

/* ============ FORMULAIRE ============ */
.form-group { margin-bottom:14px; }
.form-group label {
    display:block; font-size:12px; font-weight:700; color:#475569; margin-bottom:4px;
}
.form-group label .req { color:#ef4444; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select {
    width:100%; border:1px solid #cbd5e1; padding:9px 12px;
    font-size:13px; font-family:inherit; color:#1e293b; background:#fff; outline:none;
    -webkit-border-radius:6px; -moz-border-radius:6px; border-radius:6px;
    -webkit-box-sizing:border-box; -moz-box-sizing:border-box; box-sizing:border-box;
    -webkit-transition:border-color 0.2s; transition:border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus { border-color:#3b82f6; }
.form-group input::-webkit-input-placeholder { color:#b3bccb; font-style:italic; font-weight:400; }
.form-group input::-moz-placeholder { color:#b3bccb; font-style:italic; font-weight:400; opacity:1; }
.form-group input:-ms-input-placeholder { color:#b3bccb; font-style:italic; font-weight:400; }
.form-group input::placeholder { color:#b3bccb; font-style:italic; font-weight:400; }
.form-hint { font-size:11px; color:#94a3b8; margin-top:3px; }
.form-row {
    display:-webkit-box; display:-ms-flexbox; display:flex; gap:10px;
}
.form-row .form-group { -webkit-box-flex:1; -ms-flex:1; flex:1; }

/* Champ niveau scolaire masqué si rôle = prof */
#groupe-niveau { /* affiché par défaut */ }

/* ============ BOUTON SUBMIT ============ */
.btn-submit {
    width:100%; padding:11px; font-size:15px; font-weight:700;
    background:#db9b38; color:#fff; border:none; cursor:pointer;
    -webkit-border-radius:8px; -moz-border-radius:8px; border-radius:8px;
    -webkit-transition:background 0.2s; transition:background 0.2s;
    margin-top:4px;
}
.btn-submit:hover { background:#b87d2a; }

/* ============ LIEN BAS DE CARTE ============ */
.auth-switch {
    text-align:center; margin-top:18px; font-size:13px; color:#64748b;
}

/* ============ SÉPARATEUR RÔLE ============ */
.role-toggle {
    display:-webkit-box; display:-ms-flexbox; display:flex;
    gap:0; margin-bottom:14px;
    border:1px solid #cbd5e1;
    -webkit-border-radius:8px; -moz-border-radius:8px; border-radius:8px;
    overflow:hidden;
}
.role-toggle label {
    -webkit-box-flex:1; -ms-flex:1; flex:1;
    text-align:center; padding:9px 6px; font-size:13px; font-weight:600;
    cursor:pointer; color:#64748b; background:#f8fafc;
    -webkit-transition:all 0.15s; transition:all 0.15s;
    border:none;
}
.role-toggle input[type="radio"] { display:none; }
.role-toggle input[type="radio"]:checked + label {
    background:#db9b38; color:#fff;
}
.role-toggle label:first-of-type { /* rien */ }

/* ============ TOGGLE NEWSLETTER ============ */
.nl-toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 28px;
    flex-shrink: 0;
    cursor: pointer;
}
.nl-toggle input { opacity: 0; width: 0; height: 0; }
.nl-toggle-slider {
    position: absolute;
    inset: 0;
    background: #cbd5e1;
    border-radius: 28px;
    transition: background .2s;
}
.nl-toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform .2s;
    box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.nl-toggle input:checked + .nl-toggle-slider { background: #db9b38; }
.nl-toggle input:checked + .nl-toggle-slider::before { transform: translateX(20px); }

/* ============ FOOTER ============ */
#footer {
    position:fixed; bottom:0; left:0; right:0;
    text-align:center; padding:10px; font-size:12px; color:#94a3b8;
    border-top:1px solid #e2e8f0; background:#fff;
    z-index:50;
}