/* Explain: Styles for navigation, buttons, panels, orbs, chat, forms, and search components. */
/* --- Header / navigation --- */
.sa-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
    background: rgba(8, 3, 18, 0.78);
    border-bottom: 1px solid var(--border-color);
}

.sa-nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: .85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.sa-brand { display: flex; align-items: center; gap: .6rem; }

.sa-brand-mark {
    display: grid;
    place-items: center;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 50%;
    flex: 0 0 auto;
    background: radial-gradient(circle at 40% 30%, var(--primary-color), #2b0b52);
    color: var(--gold-color);
    box-shadow: 0 0 18px rgba(139, 92, 246, .6);
}

.sa-brand-text {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    letter-spacing: .06em;
    white-space: nowrap;
}

.sa-brand-text em { font-style: normal; color: var(--gold-color); }

.sa-nav-links {
    display: none;
    align-items: center;
    gap: 1.4rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sa-nav-links a { font-size: .93rem; color: var(--text-muted); transition: color .25s; }
.sa-nav-links a:hover { color: var(--gold-color); }

.sa-nav-actions { display: flex; align-items: center; gap: .75rem; }

.sa-menu-toggle {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
}

.sa-mobile-menu { display: none; flex-direction: column; padding: 0 1.25rem 1.25rem; }
.sa-mobile-menu.is-open { display: flex; }
.sa-mobile-menu a {
    padding: .8rem .6rem;
    border-radius: 10px;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

@media (min-width: 1120px) {
    .sa-nav-links { display: flex; }
    .sa-menu-toggle { display: none; }
    .sa-mobile-menu { display: none !important; }
}

/* --- Buttons --- */
.sa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .7rem 1.4rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: .93rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}

.sa-btn-gold {
    background: linear-gradient(135deg, #f3d99a, var(--gold-color) 45%, #b98a3a);
    color: #1a0e05;
    box-shadow: 0 8px 30px rgba(232, 196, 122, .28);
}
.sa-btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 38px rgba(232, 196, 122, .45); }

.sa-btn-violet {
    background: linear-gradient(135deg, var(--primary-color), #4c1d95);
    color: #fff;
    box-shadow: 0 8px 30px rgba(139, 92, 246, .35);
}
.sa-btn-violet:hover { transform: translateY(-2px); box-shadow: 0 12px 38px rgba(139, 92, 246, .55); }

.sa-btn-ghost { background: transparent; border-color: var(--border-color); color: var(--text-color); }
.sa-btn-ghost:hover { border-color: var(--gold-color); color: var(--gold-color); }
.sa-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* --- Panels --- */
.sa-panel {
    background: linear-gradient(160deg, rgba(27, 16, 51, .92), rgba(12, 6, 26, .92));
    border: 1px solid var(--border-color);
    border-radius: 22px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
}

.sa-panel-glow::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, rgba(139, 92, 246, .5), transparent 40%, rgba(232, 196, 122, .35));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* --- Orbs / chips / badges --- */
.sa-orb {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 16px;
    flex: 0 0 auto;
    background: radial-gradient(circle at 35% 30%, rgba(139, 92, 246, .9), rgba(43, 11, 82, .9));
    color: var(--gold-color);
    font-size: 1.15rem;
    box-shadow: 0 0 24px rgba(139, 92, 246, .4);
}

.sa-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .3rem .8rem;
    border-radius: 999px;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    background: rgba(139, 92, 246, .08);
}

.sa-badge {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .45rem .9rem;
    border-radius: 14px;
    background: rgba(232, 196, 122, .10);
    border: 1px solid rgba(232, 196, 122, .35);
    color: var(--gold-color);
    font-size: .82rem;
}

.sa-grad-text {
    background: linear-gradient(120deg, #fff, var(--secondary-color) 45%, var(--gold-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sa-price { font-family: var(--font-heading); font-size: 2rem; color: var(--gold-color); }

/* --- Portal --- */
.sa-portal {
    position: relative;
    width: min(72vw, 360px);
    aspect-ratio: 1;
    border-radius: 50%;
    margin: 0 auto;
    background: radial-gradient(circle at 50% 42%, rgba(196, 181, 253, .95), rgba(139, 92, 246, .75) 32%, rgba(46, 16, 88, .6) 58%, transparent 72%);
    box-shadow: 0 0 90px 24px rgba(139, 92, 246, .42), inset 0 0 70px rgba(232, 196, 122, .25);
    animation: sa-pulse 6s ease-in-out infinite;
}

.sa-portal::before,
.sa-portal::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(232, 196, 122, .35);
    inset: -16px;
    animation: sa-spin 20s linear infinite;
}

.sa-portal::after {
    inset: -34px;
    border-style: dashed;
    border-color: rgba(196, 181, 253, .35);
    animation-duration: 34s;
    animation-direction: reverse;
}

@keyframes sa-spin { to { transform: rotate(360deg); } }
@keyframes sa-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }

/* --- Astral vision (image de ce que l'Oracle décrit) --- */
.sa-vision {
    position: relative;
    width: min(72vw, 340px);
    aspect-ratio: 1;
    border-radius: 50%;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid rgba(232, 196, 122, .45);
    background: radial-gradient(circle at 50% 45%, rgba(139, 92, 246, .35), rgba(6, 2, 15, .9) 70%);
    box-shadow: 0 0 80px 18px rgba(139, 92, 246, .42), inset 0 0 60px rgba(6, 2, 15, .55);
}

.sa-vision::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
    box-shadow: inset 0 0 60px rgba(232, 196, 122, .22);
}

.sa-vision-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1.2s ease, transform 6s ease;
    background: radial-gradient(circle at 50% 45%, rgba(139, 92, 246, .35), rgba(6, 2, 15, .9) 70%);
}

.sa-vision-layer.is-active {
    opacity: 1;
    transform: scale(1.12);
}

/* --- Chat --- */
.sa-chat { display: flex; flex-direction: column; gap: 1rem; }

.sa-msg {
    max-width: 85%;
    padding: .9rem 1.15rem;
    border-radius: 18px;
    font-size: .95rem;
    line-height: 1.6;
    white-space: pre-wrap;
    overflow-wrap: break-word;
    word-break: break-word;
}

.sa-msg-user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--primary-color), #4c1d95);
    color: #fff;
    border-bottom-right-radius: 6px;
}

.sa-msg-oracle {
    align-self: flex-start;
    background: rgba(27, 16, 51, .9);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-bottom-left-radius: 6px;
}

/* --- Forms --- */
.sa-field { display: flex; flex-direction: column; gap: .45rem; margin-bottom: 1rem; }
.sa-field label { font-size: .85rem; color: var(--text-muted); }

.sa-input, .sa-textarea, .sa-select {
    width: 100%;
    padding: .8rem 1rem;
    border-radius: 14px;
    background: rgba(10, 5, 22, .85);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: .95rem;
}

.sa-input:focus, .sa-textarea:focus, .sa-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, .25);
}

.sa-textarea { min-height: 150px; resize: vertical; }
.sa-input::placeholder, .sa-textarea::placeholder { color: rgba(169, 159, 196, .7); }

.sa-auth-msg { font-size: .9rem; margin-top: .75rem; min-height: 1.2rem; }
.sa-auth-msg.is-ok { color: #7ee2b8; }
.sa-auth-msg.is-err { color: #ff9a9a; }

.sa-code-wrap { display: none; }
.sa-code-wrap.is-open { display: flex; }

/* --- Modal --- */
.sa-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 90;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(3, 1, 8, .82);
    backdrop-filter: blur(6px);
}
.sa-modal.is-open { display: flex; }

/* --- Astral fullscreen stage --- */
.astral-stage {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 80;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    overflow-y: auto;
    background: radial-gradient(circle at 50% 30%, rgba(76, 29, 149, .85), rgba(6, 2, 15, .98) 70%);
    text-align: center;
}
.astral-stage.is-open { display: flex; }

.sa-progress {
    height: 4px;
    border-radius: 999px;
    background: rgba(160, 120, 255, 0.18);
    overflow: hidden;
    margin-top: 1.1rem;
}

.sa-progress-bar {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary-color), var(--gold-color));
    transition: width 1s linear;
}

/* --- Misc --- */
.sa-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-color), transparent); margin: 2rem 0; }
.sa-stat { text-align: center; }
.sa-stat b { display: block; font-family: var(--font-heading); font-size: 1.8rem; color: var(--gold-color); line-height: 1.2; }
.sa-stat span { font-size: .78rem; color: var(--text-muted); letter-spacing: .12em; text-transform: uppercase; }

/* ============================================================
   AMÉLIORATION PREMIUM — cosmique, interactions, navigation
   ============================================================ */

/* En-tête : état après défilement */
.sa-header { transition: background .4s var(--ease-soft), box-shadow .4s var(--ease-soft); }
.sa-header.is-scrolled {
    background: rgba(6, 2, 15, 0.92);
    box-shadow: 0 12px 40px rgba(6, 2, 15, 0.6);
}

/* Menu déroulant (survol + clic) */
.sa-nav-dropdown { position: relative; }

.sa-nav-dd-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .3rem 0;
    background: none;
    border: 0;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: .93rem;
    cursor: pointer;
    transition: color .25s;
}
.sa-nav-dd-btn:hover,
.sa-nav-dropdown.is-open .sa-nav-dd-btn { color: var(--gold-color); }

.sa-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    padding-top: 1rem;
    z-index: 60;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .28s var(--ease-soft), transform .28s var(--ease-soft), visibility .28s;
}
.sa-nav-dropdown:hover .sa-dropdown,
.sa-nav-dropdown.is-open .sa-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sa-dropdown-list {
    display: flex;
    flex-direction: column;
    min-width: 15rem;
    margin: 0;
    padding: .5rem;
    list-style: none;
    border-radius: 16px;
    background: rgba(12, 6, 26, 0.94);
    border: 1px solid var(--border-color);
    box-shadow: 0 24px 60px rgba(6, 2, 15, 0.7), 0 0 0 1px rgba(232, 196, 122, 0.06);
    backdrop-filter: blur(14px);
}
.sa-dropdown-list a {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .6rem .8rem;
    border-radius: 10px;
    font-size: .9rem;
    color: var(--text-color);
    transition: background .25s, color .25s, padding-left .25s;
}
.sa-dropdown-list a i { color: var(--gold-color); width: 1.1rem; text-align: center; }
.sa-dropdown-list a:hover {
    color: var(--gold-color);
    background: rgba(139, 92, 246, 0.12);
    padding-left: 1rem;
}

/* Menu mobile : libellés de catégorie */
.sa-menu-label {
    margin-top: .85rem;
    padding: .4rem .6rem;
    font-size: .7rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}
.sa-mobile-menu .sa-menu-sub { padding-left: 1.4rem; }

/* Panneaux : élévation et lueur au survol */
.sa-panel {
    transition: border-color .4s var(--ease-soft), box-shadow .4s var(--ease-soft), background .4s var(--ease-soft);
}
.sa-panel:hover {
    border-color: var(--border-gold);
    box-shadow: 0 22px 60px rgba(6, 2, 15, 0.65), 0 0 0 1px rgba(232, 196, 122, 0.10);
}

/* Boutons : éclat lumineux */
.sa-btn-shine { position: relative; overflow: hidden; }
.sa-btn-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 55%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
    transform: skewX(-20deg);
    animation: sa-shine 4s var(--ease-soft) infinite;
    pointer-events: none;
}
@keyframes sa-shine {
    0% { left: -120%; }
    55% { left: 150%; }
    100% { left: 150%; }
}

/* Portail du héros : orbes flottants */
.sa-portal-wrap { position: relative; display: grid; place-items: center; }
.sa-orbit {
    position: absolute;
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 16px;
    background: rgba(12, 6, 26, 0.92);
    border: 1px solid var(--border-color);
    color: var(--gold-color);
    box-shadow: var(--glow-violet);
    animation: sa-float 7s ease-in-out infinite;
}
.sa-orbit-1 { top: 4%; right: 8%; }
.sa-orbit-2 { bottom: 10%; left: 2%; animation-delay: .8s; }
.sa-orbit-3 { top: 44%; left: -3%; animation-delay: 1.6s; }
@keyframes sa-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

/* Révélation au défilement — le masquage n'est activé que si le JavaScript fonctionne */
.sa-js [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s ease, transform .8s var(--ease-soft);
}
.sa-js [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Bouton retour en haut */
.sa-totop {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 65;
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    background: rgba(12, 6, 26, 0.92);
    color: var(--gold-color);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    transition: opacity .3s, transform .3s, visibility .3s, box-shadow .3s;
    backdrop-filter: blur(10px);
}
.sa-totop.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.sa-totop:hover { box-shadow: var(--glow-gold); }

/* Rangée de filtres (Académie) */
.sa-filter-row { display: flex; flex-wrap: wrap; gap: .5rem; }

/* Suggestions cliquables (Oracle) */
.sa-suggest {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .45rem .9rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: rgba(139, 92, 246, 0.08);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: .82rem;
    cursor: pointer;
    transition: border-color .25s, color .25s, transform .25s;
}
.sa-suggest:hover { color: var(--gold-color); border-color: var(--gold-color); transform: translateY(-2px); }

/* --- Suivi de progression des parcours --- */
.sa-course-progress .sa-progress,
#resumeBox .sa-progress,
#saParcours .sa-progress { margin-top: 0; }

.sa-panel.is-complete {
    border-color: var(--border-gold);
    box-shadow: 0 0 0 1px rgba(232, 196, 122, 0.14), var(--glow-gold);
}

.sa-panel.is-flash {
    box-shadow: 0 0 0 2px var(--gold-color), var(--glow-gold);
}

/* --- Recherche (en-tête + page de résultats) --- */
.sa-search-form {
    position: relative;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem .9rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: rgba(10, 5, 22, 0.7);
}
.sa-search-desktop { display: none; }
@media (min-width: 1120px) { .sa-search-desktop { display: flex; } }
.sa-search-mobile { margin-top: .75rem; }

.sa-search-form > i { color: var(--text-muted); font-size: .85rem; }
.sa-search-input {
    width: 100%;
    min-width: 120px;
    max-width: 150px;
    border: 0;
    background: transparent;
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: .9rem;
    outline: none;
}
.sa-search-input::placeholder { color: var(--text-muted); }
.sa-search-mobile .sa-search-input { max-width: none; }

.sa-suggest-box {
    position: absolute;
    top: calc(100% + .6rem);
    right: 0;
    width: min(92vw, 22rem);
    max-height: 22rem;
    overflow-y: auto;
    padding: .4rem;
    border-radius: 16px;
    background: rgba(12, 6, 26, 0.97);
    border: 1px solid var(--border-color);
    box-shadow: 0 24px 60px rgba(6, 2, 15, 0.7);
    backdrop-filter: blur(14px);
    display: none;
    z-index: 60;
}
.sa-suggest-box.is-open { display: block; }
.sa-suggest-item {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    padding: .55rem .7rem;
    border-radius: 10px;
    color: var(--text-color);
    transition: background .2s, color .2s;
}
.sa-suggest-item:hover { background: rgba(139, 92, 246, 0.14); color: var(--gold-color); }
.sa-suggest-title { font-size: .9rem; }
.sa-suggest-meta { font-size: .72rem; color: var(--text-muted); }
.sa-suggest-all {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-top: .3rem;
    padding: .55rem .7rem;
    border-radius: 10px;
    border-top: 1px solid var(--border-color);
    color: var(--gold-color);
    font-size: .85rem;
}
.sa-suggest-all:hover { background: rgba(232, 196, 122, 0.12); }
.sa-suggest-empty { padding: .6rem .7rem; font-size: .85rem; color: var(--text-muted); }

.sa-results-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem;
    padding: .4rem .5rem .4rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: rgba(10, 5, 22, 0.7);
    max-width: 46rem;
}
.sa-results-form > i { color: var(--text-muted); }
.sa-results-form .sa-input {
    flex: 1 1 12rem;
    border: 0;
    background: transparent;
    padding: .5rem .2rem;
    box-shadow: none;
}
.sa-results-form .sa-input:focus { box-shadow: none; border: 0; }

.sa-result-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 800px) { .sa-result-grid { grid-template-columns: repeat(2, 1fr); } }

.sa-result-card {
    display: flex;
    flex-direction: column;
    gap: .55rem;
    padding: 1.35rem;
    border-radius: 18px;
    background: linear-gradient(160deg, rgba(27, 16, 51, 0.92), rgba(12, 6, 26, 0.92));
    border: 1px solid var(--border-color);
    transition: border-color .3s var(--ease-soft), box-shadow .3s var(--ease-soft), transform .3s var(--ease-soft);
}
.sa-result-card:hover {
    border-color: var(--border-gold);
    box-shadow: 0 22px 60px rgba(6, 2, 15, 0.6);
    transform: translateY(-3px);
}
.sa-result-title { font-family: var(--font-heading); font-size: 1.1rem; }
.sa-result-snippet {
    font-size: .9rem;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sa-result-open {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: var(--gold-color);
    font-size: .88rem;
    transition: gap .25s;
}
.sa-result-open:hover { gap: .75rem; }

/* --- Lettre cosmique (newsletter) --- */
.sa-newsletter-form {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    align-items: center;
    padding: .5rem;
    border-radius: 999px;
    border: 1px solid var(--border-gold);
    background: rgba(10, 5, 22, 0.82);
}
.sa-newsletter-form > i { color: var(--gold-color); margin-left: .6rem; }
.sa-newsletter-form .sa-input {
    flex: 1 1 12rem;
    min-width: 0;
    border: 0;
    background: transparent;
    padding: .6rem .3rem;
    box-shadow: none;
}
.sa-newsletter-form .sa-input:focus { box-shadow: none; border: 0; }
.sa-newsletter-form .sa-btn { flex: 0 0 auto; }

@media (max-width: 560px) {
    .sa-newsletter-form { border-radius: 20px; padding: .9rem; }
    .sa-newsletter-form .sa-btn { width: 100%; }
}

.sa-newsletter-msg { min-height: 1.2rem; margin-top: .7rem; font-size: .88rem; }
.sa-newsletter-msg.is-ok { color: #7ee2b8; }
.sa-newsletter-msg.is-err { color: #ff9a9a; }
.sa-newsletter-note { font-size: .8rem; color: var(--text-muted); margin-top: .5rem; }
.sa-newsletter-note i { color: var(--gold-color); }