/* =====================================================================
   Summit Training — Page de réservation (reserver.html)
   Styles isolés (préfixe .resa-) ; réutilise les variables de main.css.
   ===================================================================== */

.resa-page { background: var(--color-gray-50); }
.resa-main { padding-top: 72px; }               /* sous la navbar fixe */
.resa-container { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* ---- Hero ---- */
.resa-hero {
    background: linear-gradient(160deg, #0f172a 0%, #0b1220 60%, #081228 100%);
    color: #fff; padding: 56px 0 118px; position: relative; overflow: hidden;
}
.resa-hero::after {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(1100px 380px at 80% -10%, rgba(56, 189, 248, .18), transparent 60%);
    pointer-events: none;
}
.resa-hero .resa-container { position: relative; z-index: 1; }
.resa-eyebrow {
    display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; color: var(--color-cyan-400); margin-bottom: 14px;
}
.resa-title {
    font-family: var(--font-display); font-weight: 800; letter-spacing: -.02em; color: #fff;
    font-size: clamp(2.2rem, 1.5rem + 3vw, 3.4rem); line-height: 1.05; margin: 0;
}
.resa-title .accent-gradient {
    background: linear-gradient(135deg, var(--color-blue-600), var(--color-cyan-400));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.resa-lead { margin: 16px 0 0; font-size: clamp(1rem, .95rem + .3vw, 1.15rem); color: #cbd5e1; max-width: 540px; }
.resa-steps { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; color: #93c5fd; }
.resa-steps b { color: #fff; }

/* ---- Panneau planning ---- */
.resa-panel {
    background: #fff; border-radius: 16px; margin-top: -72px; position: relative; z-index: 2;
    box-shadow: 0 12px 32px rgba(15, 23, 42, .10), 0 4px 8px rgba(15, 23, 42, .05); overflow: hidden;
}
.resa-panel-head {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 22px 24px; border-bottom: 1px solid var(--color-gray-200);
}
.resa-panel-title { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; margin: 0; color: var(--color-gray-900); }
.resa-sub { font-size: 13px; color: var(--color-gray-400); margin-top: 2px; }
.resa-weeknav { display: flex; align-items: center; gap: 8px; }
.resa-weeknav button {
    width: 38px; height: 38px; border: 1px solid var(--color-gray-200); background: #fff;
    border-radius: 10px; cursor: pointer; font-size: 18px; color: var(--color-gray-600); transition: .18s;
}
.resa-weeknav button:hover { border-color: var(--color-blue-500); color: var(--color-blue-700); background: var(--color-gray-50); }
.resa-range { font-size: 13px; font-weight: 600; color: var(--color-gray-600); min-width: 150px; text-align: center; }

/* ---- Filtres ---- */
.resa-filters { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 24px 4px; }
.resa-periods { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.resa-periods > * { flex: 0 0 auto; }
.resa-chip {
    border: 1px solid var(--color-gray-200); background: #fff; color: var(--color-gray-600);
    border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 13px; font-weight: 600;
    cursor: pointer; transition: .15s; white-space: nowrap;
}
.resa-chip:hover { border-color: var(--color-blue-500); color: var(--color-blue-700); }
.resa-chip.on {
    background: linear-gradient(135deg, var(--color-blue-600), var(--color-cyan-400));
    color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(29, 78, 216, .22);
}

/* ---- Jours & créneaux ---- */
.resa-days { padding: 8px 12px 20px; }
.resa-day { padding: 14px 12px; border-bottom: 1px solid var(--color-gray-100); }
.resa-day:last-child { border-bottom: 0; }
.resa-day-title {
    font-family: var(--font-display); font-weight: 700; font-size: 14px; text-transform: capitalize;
    color: var(--color-gray-900); margin: 8px 4px 12px; display: flex; align-items: baseline; gap: 8px;
}
.resa-day-title small { font-weight: 500; color: var(--color-gray-400); font-family: var(--font-body); text-transform: none; }
.resa-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.resa-slot {
    position: relative; text-align: left; border: 1px solid var(--color-gray-200); border-radius: 10px;
    padding: 12px 12px 12px 16px; background: #fff; cursor: pointer; transition: .16s; overflow: hidden;
}
.resa-slot::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--bar, #1d4ed8); }
.resa-slot:hover { border-color: var(--color-blue-500); box-shadow: 0 6px 18px rgba(29, 78, 216, .14); transform: translateY(-1px); }
.resa-slot .resa-t { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--color-gray-900); }
.resa-slot .resa-n { font-size: 13px; color: var(--color-gray-600); margin-top: 2px; }
.resa-slot .resa-m { font-size: 12px; color: var(--color-gray-400); margin-top: 8px; display: flex; align-items: center; gap: 6px; }
.resa-slot .resa-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; }
.resa-slot .resa-dot.low { background: #f59e0b; } .resa-slot .resa-dot.full { background: #ef4444; }
.resa-slot.isfull { opacity: .55; cursor: not-allowed; }
.resa-empty { padding: 40px; text-align: center; color: var(--color-gray-400); font-size: 14px; }
.resa-loading { padding: 48px; text-align: center; color: var(--color-gray-400); }
.resa-spin {
    display: block; width: 26px; height: 26px; border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-blue-600); border-radius: 50%; animation: resa-sp .8s linear infinite; margin: 0 auto 12px;
}
@keyframes resa-sp { to { transform: rotate(360deg); } }
.resa-foot { padding: 26px 0 56px; text-align: center; color: var(--color-gray-400); font-size: 13px; }

/* ---- Modale ---- */
.resa-overlay {
    position: fixed; inset: 0; background: rgba(8, 15, 32, .55); backdrop-filter: blur(3px);
    display: none; align-items: center; justify-content: center; padding: 20px; z-index: 1000;
}
.resa-overlay.on { display: flex; }
.resa-modal {
    background: #fff; border-radius: 16px; width: 100%; max-width: 440px;
    box-shadow: 0 24px 60px rgba(8, 15, 32, .4); overflow: hidden; animation: resa-pop .2s ease-out;
}
@keyframes resa-pop { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }
.resa-modal-head { background: linear-gradient(160deg, #0f172a 0%, #0b1220 60%, #081228 100%); color: #fff; padding: 20px 24px; }
.resa-k { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--color-cyan-400); font-weight: 700; }
.resa-modal-head h3 { font-family: var(--font-display); font-size: 1.3rem; margin: 6px 0 0; }
.resa-slotinfo { margin-top: 8px; font-size: 13px; color: #cbd5e1; }
.resa-modal-body { padding: 22px 24px; }
.resa-field { margin-bottom: 14px; }
.resa-field label { display: block; font-size: 13px; font-weight: 600; color: var(--color-gray-600); margin-bottom: 6px; }
.resa-field input {
    width: 100%; border: 1px solid var(--color-gray-200); border-radius: 10px; padding: 11px 13px;
    font: inherit; color: var(--color-gray-900); transition: .16s; background: var(--color-gray-50);
}
.resa-field input:focus { outline: none; border-color: var(--color-blue-500); background: #fff; box-shadow: 0 0 0 3px rgba(59, 130, 246, .15); }
.resa-req { color: #ef4444; }
.resa-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.resa-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.resa-code-input { letter-spacing: .4em; font-size: 20px; text-align: center; font-weight: 700; }
.resa-codeintro { font-size: 14px; color: var(--color-gray-600); margin: 0 0 14px; }
.resa-btn { width: 100%; margin-top: 4px; justify-content: center; }
.resa-btn-2l { flex-direction: column; line-height: 1.15; padding-top: 11px; padding-bottom: 11px; }
.resa-btn-sub { display: block; max-width: 100%; font-weight: 500; font-size: 11px; text-transform: none; letter-spacing: normal; white-space: normal; line-height: 1.25; opacity: .9; margin-top: 5px; }
.resa-ghost { display: block; width: 100%; border: 0; background: none; color: var(--color-gray-400); font: inherit; font-size: 13px; padding: 10px; cursor: pointer; }
.resa-ghost:hover { color: var(--color-gray-600); }
.resa-consent { font-size: 11px; color: var(--color-gray-400); margin: 10px 0 0; line-height: 1.4; }
.resa-hint { font-size: 12px; margin-top: 6px; min-height: 16px; transition: .15s; }
.resa-hint.ok { color: #16a34a; } .resa-hint.bad { color: #dc2626; } .resa-hint.checking { color: var(--color-gray-400); }
.resa-field input.valid { border-color: #86efac; background: #f0fdf4; }
.resa-field input.invalid { border-color: #fca5a5; background: #fef2f2; }
.resa-msg { display: none; padding: 11px 13px; border-radius: 10px; font-size: 13px; margin-bottom: 14px; }
.resa-msg.show { display: block; background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.resa-msg.info { display: block; background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }

/* ---- Succès ---- */
.resa-success { text-align: center; padding: 32px 24px; }
.resa-check {
    width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--color-blue-600), var(--color-cyan-400)); box-shadow: 0 16px 40px rgba(29, 78, 216, .28);
}
.resa-check svg { width: 32px; height: 32px; }
.resa-success h3 { font-family: var(--font-display); font-size: 1.4rem; margin: 0 0 8px; color: var(--color-gray-900); }
.resa-success p { color: var(--color-gray-600); font-size: 14px; margin: 0; }

/* ---- Mobile ---- */
@media (max-width: 640px) {
    .resa-hero { padding: 32px 0 92px; }
    .resa-lead { font-size: 1rem; }
    .resa-container { padding: 0 12px; }
    .resa-panel { margin-top: -60px; }
    .resa-panel-head { flex-direction: column; align-items: stretch; gap: 12px; padding: 16px; }
    .resa-panel-title { font-size: 1.2rem; }
    .resa-weeknav { justify-content: space-between; }
    .resa-range { flex: 1; }

    /* Barres de chips (périodes + activités) : tout visible, retour à la ligne (pas de scroll caché) */
    .resa-filters { padding: 12px 14px 4px; flex-wrap: wrap; gap: 7px; }
    .resa-periods { padding-bottom: 8px; border-bottom: 1px solid var(--color-gray-100); flex-wrap: nowrap; overflow-x: auto; }
    .resa-chip { padding: 7px 12px; font-size: 12.5px; }

    /* Créneaux : 2 colonnes + cartes compactes pour voir plus de séances */
    .resa-days { padding: 6px 10px 18px; }
    .resa-day { padding: 10px 6px; }
    .resa-day-title { margin: 4px 4px 10px; font-size: 13.5px; }
    .resa-slots { grid-template-columns: 1fr 1fr; gap: 8px; }
    .resa-slot { padding: 10px 10px 10px 14px; }
    .resa-slot .resa-t { font-size: 14px; }
    .resa-slot .resa-n { font-size: 12px; line-height: 1.25; }
    .resa-slot .resa-m { margin-top: 7px; font-size: 11.5px; }

    /* Modale en bottom-sheet */
    .resa-overlay { padding: 0; align-items: flex-end; }
    .resa-modal { max-width: 100%; border-radius: 20px 20px 0 0; animation: resa-slideup .25s ease-out; max-height: 92vh; overflow-y: auto; }
    @keyframes resa-slideup { from { transform: translateY(100%); } to { transform: none; } }
}
@media (max-width: 330px) { .resa-slots { grid-template-columns: 1fr; } }

/* La page réserver a un fond clair sous la navbar fixe → le menu blanc devenait
   illisible en haut de page. On force la navbar en style clair lisible (texte foncé)
   dès le chargement, sans dépendre du défilement. */
.resa-page .navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.05), var(--shadow-md);
}
.resa-page .nav-logo { color: var(--color-primary-dark); }
.resa-page .nav-logo-img { filter: none; }
.resa-page .nav-link { color: var(--color-gray-700); }
.resa-page .nav-link:hover { color: var(--color-blue-700); }
.resa-page .nav-toggle span { background: var(--color-gray-900); }
.resa-page .lang-btn { background: var(--color-gray-100); border-color: var(--color-border); color: var(--color-gray-800); }
.resa-page .lang-btn:hover { background: var(--color-blue-50); border-color: var(--color-blue-200); }