/* =============================================================================
   Vaubus — Design system (couche par-dessus Bootstrap 5)
   Direction : « vérité des prix » immobiliers → confiance, données, sobriété.
   Palette « trust teal + professional blue » (via ui-ux-pro-max).
   Pairing : Fraunces (display serif, crédibilité immobilière) + Inter (UI/données).
   A11y : contraste AA+, focus visibles, prefers-reduced-motion respecté.
   ============================================================================= */

:root {
    /* — Couleurs de marque — */
    --vb-primary: #0F766E;       /* teal confiance */
    --vb-primary-600: #0B5C55;
    --vb-primary-050: #F0FDFA;
    --vb-accent: #0369A1;        /* bleu professionnel (CTA secondaire / liens data) */
    --vb-secondary: #14B8A6;

    /* — Neutres — */
    --vb-bg: #F7FAFA;
    --vb-surface: #FFFFFF;
    --vb-ink: #102A28;           /* texte principal (teal très foncé) */
    --vb-ink-soft: #4B5F5D;
    --vb-muted: #EBF1F1;
    --vb-border: #D7E3E2;

    /* — Sémantique verdict — */
    --vb-good: #0F766E;          /* cohérent / sous le marché */
    --vb-warn: #B45309;          /* à surveiller */
    --vb-bad: #B91C1C;           /* surévalué */

    /* — Élévation & rayons — */
    --vb-radius: 14px;
    --vb-radius-sm: 9px;
    --vb-shadow-sm: 0 1px 2px rgba(16, 42, 40, .06), 0 1px 3px rgba(16, 42, 40, .05);
    --vb-shadow: 0 6px 24px -8px rgba(16, 42, 40, .18);
    --vb-shadow-lg: 0 24px 60px -20px rgba(16, 42, 40, .32);

    /* — Typo — */
    --vb-font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --vb-font-display: "Fraunces", Georgia, "Times New Roman", serif;

    /* surcharges Bootstrap */
    --bs-primary: var(--vb-primary);
    --bs-body-color: var(--vb-ink);
    --bs-body-bg: var(--vb-bg);
    --bs-border-color: var(--vb-border);
    --bs-link-color: var(--vb-accent);
    --bs-link-hover-color: var(--vb-primary-600);
}

* { box-sizing: border-box; }

body {
    font-family: var(--vb-font-ui);
    color: var(--vb-ink);
    background:
        radial-gradient(1200px 480px at 100% -10%, rgba(20, 184, 166, .08), transparent 60%),
        radial-gradient(900px 420px at -10% 0%, rgba(3, 105, 161, .06), transparent 55%),
        var(--vb-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .vb-display {
    font-family: var(--vb-font-display);
    font-weight: 600;
    letter-spacing: -.01em;
    color: var(--vb-ink);
}
h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); line-height: 1.08; }
.vb-lede { font-size: 1.15rem; color: var(--vb-ink-soft); max-width: 60ch; }

/* — Navbar — */
.vb-nav {
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--vb-border);
}
.vb-brand {
    font-family: var(--vb-font-display);
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--vb-ink);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
}
.vb-brand .vb-dot {
    width: 11px; height: 11px; border-radius: 50%;
    background: linear-gradient(135deg, var(--vb-secondary), var(--vb-primary));
    box-shadow: 0 0 0 4px rgba(15, 118, 110, .12);
}

/* — Boutons — */
.btn-vb {
    --bs-btn-color: #fff;
    background: linear-gradient(180deg, var(--vb-primary), var(--vb-primary-600));
    color: #fff;
    border: 0;
    border-radius: var(--vb-radius-sm);
    padding: .62rem 1.15rem;
    font-weight: 600;
    box-shadow: var(--vb-shadow-sm);
    transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-vb:hover { color: #fff; filter: brightness(1.05); transform: translateY(-1px); box-shadow: var(--vb-shadow); }
.btn-vb:active { transform: translateY(0); }
.btn-vb-ghost {
    background: transparent;
    color: var(--vb-primary);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius-sm);
    padding: .6rem 1.05rem;
    font-weight: 600;
    transition: border-color .2s ease, background .2s ease;
}
.btn-vb-ghost:hover { background: var(--vb-primary-050); border-color: var(--vb-primary); color: var(--vb-primary-600); }

/* — Cartes & surfaces — */
.vb-card {
    background: var(--vb-surface);
    border: 1px solid var(--vb-border);
    border-radius: var(--vb-radius);
    box-shadow: var(--vb-shadow-sm);
}
.vb-card-pad { padding: 1.5rem; }
.vb-auth-card {
    max-width: 460px;
    margin-inline: auto;
    box-shadow: var(--vb-shadow-lg);
    border-radius: 18px;
    overflow: hidden;
}
.vb-auth-head {
    background: linear-gradient(135deg, var(--vb-primary), var(--vb-accent));
    color: #fff;
    padding: 1.6rem 1.75rem;
}
.vb-auth-head h1 { color: #fff; font-size: 1.6rem; margin: 0; }
.vb-auth-head p { color: rgba(255, 255, 255, .85); margin: .25rem 0 0; }

/* — Formulaires — */
.form-control, .form-select {
    border-radius: var(--vb-radius-sm);
    border-color: var(--vb-border);
    padding: .7rem .85rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--vb-primary);
    box-shadow: 0 0 0 .22rem rgba(15, 118, 110, .18);
}
.form-label { font-weight: 600; font-size: .9rem; color: var(--vb-ink-soft); }

/* — Badges de verdict — */
.vb-verdict {
    display: inline-flex; align-items: center; gap: .5rem;
    font-weight: 700; border-radius: 999px;
    padding: .35rem .85rem; font-size: .92rem;
}
.vb-verdict--good { background: rgba(15, 118, 110, .12); color: var(--vb-good); }
.vb-verdict--warn { background: rgba(180, 83, 9, .12); color: var(--vb-warn); }
.vb-verdict--bad  { background: rgba(185, 28, 28, .12); color: var(--vb-bad); }

/* — Tables back-office — */
.vb-table { background: var(--vb-surface); border-radius: var(--vb-radius); overflow: hidden; }
.vb-table th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--vb-ink-soft); }

/* — Statistiques / KPI — */
.vb-kpi { background: var(--vb-surface); border: 1px solid var(--vb-border); border-radius: var(--vb-radius); padding: 1.1rem 1.25rem; }
.vb-kpi .vb-kpi-val { font-family: var(--vb-font-display); font-size: 1.9rem; font-weight: 600; color: var(--vb-primary); }
.vb-kpi .vb-kpi-lbl { color: var(--vb-ink-soft); font-size: .85rem; }

/* — Sidebar back-office — */
.vb-sidebar { background: var(--vb-surface); border-right: 1px solid var(--vb-border); min-height: calc(100vh - 64px); }
.vb-sidebar a {
    display: flex; align-items: center; gap: .65rem;
    padding: .6rem .85rem; border-radius: var(--vb-radius-sm);
    color: var(--vb-ink-soft); text-decoration: none; font-weight: 500;
}
.vb-sidebar a:hover { background: var(--vb-muted); color: var(--vb-ink); }
.vb-sidebar a.active { background: var(--vb-primary-050); color: var(--vb-primary-600); }

/* — Mentions légales / avertissement (cf. §10) — */
.vb-legal { font-size: .82rem; color: var(--vb-ink-soft); }
.vb-footer { border-top: 1px solid var(--vb-border); background: rgba(255, 255, 255, .6); }

/* — Alerte inline (erreurs de formulaire) — */
.vb-alert { border-radius: var(--vb-radius-sm); padding: .7rem .9rem; font-size: .92rem; display: none; }
.vb-alert--err { background: rgba(185, 28, 28, .08); color: var(--vb-bad); border: 1px solid rgba(185, 28, 28, .2); }
.vb-alert--ok  { background: rgba(15, 118, 110, .08); color: var(--vb-good); border: 1px solid rgba(15, 118, 110, .2); }
.vb-alert.show { display: block; }

/* — Accessibilité mouvement — */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

a { text-underline-offset: .18em; }
:focus-visible { outline: 3px solid rgba(3, 105, 161, .5); outline-offset: 2px; border-radius: 4px; }

/* =============================================================================
   Analyse (champ unique URL/texte + animation d'aspiration + résultat)
   ============================================================================= */
.vb-analyze-card { max-width: 760px; margin-inline: auto; box-shadow: var(--vb-shadow-lg); border-radius: 20px; }
.vb-analyze-field {
    width: 100%; min-height: 130px; resize: vertical;
    border: 1px solid var(--vb-border); border-radius: var(--vb-radius);
    padding: 1rem 1.1rem; font-size: 1.02rem; line-height: 1.5;
    background: #fff; transition: border-color .2s, box-shadow .2s;
}
.vb-analyze-field:focus { outline: none; border-color: var(--vb-primary); box-shadow: 0 0 0 .22rem rgba(15, 118, 110, .16); }

/* Animation d'aspiration pendant l'analyse */
.vb-scan { position: relative; overflow: hidden; }
.vb-scan::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent, rgba(20, 184, 166, .18), transparent);
    transform: translateY(-100%);
    animation: vb-suck 1.1s ease-in-out infinite;
}
@keyframes vb-suck { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }
.vb-analyzing-dots::after { content: ""; animation: vb-dots 1.4s steps(4, end) infinite; }
@keyframes vb-dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

/* Carte résultat / verdict */
.vb-result { border-radius: 20px; overflow: hidden; box-shadow: var(--vb-shadow-lg); }
.vb-result-head { padding: 1.6rem 1.75rem; color: #fff; }
.vb-result-head.v-good { background: linear-gradient(135deg, #0F766E, #14B8A6); }
.vb-result-head.v-bad  { background: linear-gradient(135deg, #B91C1C, #DC2626); }
.vb-result-head.v-warn { background: linear-gradient(135deg, #B45309, #D97706); }
.vb-result-verdict { font-family: var(--vb-font-display); font-size: 1.9rem; font-weight: 600; line-height: 1.1; }
.vb-result-gap { font-size: 1.05rem; opacity: .95; }

/* Indice Vaubus (note 1..5) */
.vb-result-head-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.vb-index { display: flex; align-items: center; gap: .65rem; background: rgba(255, 255, 255, .14); border-radius: 14px; padding: .5rem .8rem; }
.vb-index-num { font-family: var(--vb-font-display); font-size: 2.3rem; font-weight: 600; line-height: 1; }
.vb-index-num small { font-size: .95rem; opacity: .8; font-weight: 400; }
.vb-index-dots { display: flex; gap: 4px; margin-bottom: .25rem; }
.vb-index-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .35); }
.vb-index-dot.on { background: #fff; }
.vb-index-label { font-size: .82rem; opacity: .95; }
/* variante claire (sur fond blanc, ex. tableau dashboard) */
.vb-index-inline { display: inline-flex; align-items: center; gap: .3rem; font-weight: 700; color: var(--vb-primary); }
.vb-index-inline .d { width: 8px; height: 8px; border-radius: 50%; background: var(--vb-border); }
.vb-index-inline .d.on { background: var(--vb-primary); }

/* Jauge de positionnement du prix (p25 — médiane — p75 + marqueur demandé) */
.vb-gauge { position: relative; height: 12px; border-radius: 999px;
    background: linear-gradient(90deg, #14B8A6, #F0FDFA 50%, #DC2626); margin: 2.4rem 0 1rem; }
.vb-gauge-marker { position: absolute; top: -8px; width: 3px; height: 28px; background: var(--vb-ink); border-radius: 2px; transform: translateX(-50%); }
.vb-gauge-marker::after { content: attr(data-label); position: absolute; top: -1.4rem; left: 50%; transform: translateX(-50%);
    font-size: .72rem; font-weight: 700; white-space: nowrap; color: var(--vb-ink); }
.vb-stat { text-align: center; padding: .5rem; }
.vb-stat .v { font-family: var(--vb-font-display); font-size: 1.4rem; font-weight: 600; color: var(--vb-ink); }
.vb-stat .l { font-size: .78rem; color: var(--vb-ink-soft); text-transform: uppercase; letter-spacing: .03em; }

/* Distribution DPE (mini barres A→G) */
.vb-dpe { display: flex; gap: 3px; align-items: flex-end; height: 54px; }
.vb-dpe-bar { flex: 1; border-radius: 3px 3px 0 0; min-height: 3px; }
.vb-dpe-A{background:#319834}.vb-dpe-B{background:#33a357}.vb-dpe-C{background:#7fb435}
.vb-dpe-D{background:#f2e205}.vb-dpe-E{background:#f0a30a}.vb-dpe-F{background:#e8730c}.vb-dpe-G{background:#d0021b}