/* ─────────────────────────────────────────────────────────────────
   Indygo Configurateur — Design System v2
   Fidèle aux maquettes indygo-pool.com
   Typo : DM Sans (Google Fonts, chargée en @import)
───────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&display=swap');

/* ── Variables ─────────────────────────────────────────────────── */
:root {
    --c-dark:       #0F1923;
    --c-dark-2:     #1A2A3A;
    --c-dark-3:     #243447;
    --c-accent:     #7B6FE8;     /* violet badge Indygo */
    --c-blue:       #2980B9;     /* bleu secondaire */
    --c-white:      #FFFFFF;
    --c-bg:         #F7F8FA;
    --c-bg-card:    #FFFFFF;
    --c-border:     #E8ECF0;
    --c-text:       #0F1923;
    --c-text-muted: #7A8A99;
    --c-success:    #22C55E;
    --c-warn:       #F59E0B;

    --radius-sm:    8px;
    --radius-md:    14px;
    --radius-lg:    20px;
    --radius-pill:  100px;

    --shadow-sm:    0 1px 3px rgba(15,25,35,0.06), 0 1px 2px rgba(15,25,35,0.04);
    --shadow-md:    0 4px 16px rgba(15,25,35,0.08), 0 2px 6px rgba(15,25,35,0.04);
    --shadow-lg:    0 12px 40px rgba(15,25,35,0.12);

    --font:         'DM Sans', -apple-system, sans-serif;
    --transition:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ──────────────────────────────────────────────── */
.indygo-config-wrap *,
.indygo-config-wrap *::before,
.indygo-config-wrap *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.indygo-config-wrap {
    font-family: var(--font);
    color: var(--c-text);
    max-width: 860px;
    margin: 0 auto;
    padding: 0 0 60px;
}

/* ── Hero header du configurateur ──────────────────────────────── */
.indygo-config-hero {
    background: var(--c-dark);
    border-radius: var(--radius-lg);
    padding: 48px 40px 36px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.indygo-config-hero::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(123,111,232,0.18) 0%, transparent 70%);
    pointer-events: none;
}

.indygo-config-hero .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(123,111,232,0.18);
    color: #A89FF0;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}

.indygo-config-hero h1 {
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 800;
    color: var(--c-white);
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.indygo-config-hero p {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    font-weight: 400;
    margin-bottom: 0;
}

/* ── Barre de progression ───────────────────────────────────────── */
.indygo-progress-wrap {
    padding: 0 40px;
    margin-bottom: 32px;
}

.indygo-progress {
    height: 3px;
    background: var(--c-border);
    border-radius: 2px;
    margin-bottom: 10px;
    overflow: hidden;
}

.indygo-progress-bar {
    height: 100%;
    background: var(--c-dark);
    border-radius: 2px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.indygo-progress-labels {
    display: flex;
    justify-content: space-between;
}

.indygo-progress-labels span {
    font-size: 10px;
    font-weight: 500;
    color: var(--c-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.indygo-progress-labels span.active {
    color: var(--c-dark);
    font-weight: 700;
}

/* ── Étapes ─────────────────────────────────────────────────────── */
.indygo-step {
    display: none;
    padding: 0 40px;
    animation: fadeSlide 0.3s ease forwards;
}

.indygo-step.active { display: block; }

@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.indygo-step-header {
    margin-bottom: 28px;
}

.indygo-step-header .step-num {
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.indygo-step-header h2 {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 800;
    color: var(--c-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.indygo-step-header p {
    font-size: 13px;
    color: var(--c-text-muted);
    margin-top: 6px;
    font-weight: 400;
}

/* ── Cartes de choix unique (radio) ─────────────────────────────── */
.indygo-choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 36px;
}

.indygo-choice-card {
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    cursor: pointer;
    background: var(--c-bg-card);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.indygo-choice-card input[type="radio"] { display: none; }

.indygo-choice-card:hover {
    border-color: var(--c-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.indygo-choice-card:has(input:checked) {
    border-color: var(--c-dark);
    background: var(--c-dark);
    box-shadow: var(--shadow-md);
}

.indygo-choice-card:has(input:checked) .card-label,
.indygo-choice-card:has(input:checked) .card-sub {
    color: var(--c-white);
}

.indygo-choice-card:has(input:checked) .card-icon-wrap {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.15);
}

.indygo-choice-card:has(input:checked)::after {
    content: '✓';
    position: absolute;
    top: 14px; right: 16px;
    width: 22px; height: 22px;
    background: var(--c-white);
    color: var(--c-dark);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 22px;
    text-align: center;
}

.card-icon-wrap {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    background: var(--c-bg);
    border: 1.5px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 4px;
    transition: background var(--transition), border-color var(--transition);
}

.card-label {
    font-size: 15px;
    font-weight: 700;
    color: var(--c-dark);
    letter-spacing: -0.01em;
    transition: color var(--transition);
}

.card-sub {
    font-size: 12px;
    color: var(--c-text-muted);
    font-weight: 400;
    line-height: 1.4;
    transition: color var(--transition);
}

/* ── Cases à cocher besoins ─────────────────────────────────────── */
.indygo-besoins-section {
    margin-bottom: 28px;
}

.indygo-besoins-section h3 {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.indygo-besoins-section h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--c-border);
}

.indygo-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.indygo-check-card {
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-pill);
    padding: 8px 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--c-text);
    background: var(--c-bg-card);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    user-select: none;
}

.indygo-check-card input[type="checkbox"] { display: none; }

.indygo-check-card:hover {
    border-color: var(--c-dark);
    background: var(--c-bg);
}

.indygo-check-card:has(input:checked) {
    background: var(--c-dark);
    border-color: var(--c-dark);
    color: var(--c-white);
    box-shadow: var(--shadow-md);
}

.indygo-check-card:has(input:checked) .check-icon {
    filter: none;
}

.check-icon { font-size: 14px; }

/* ── Champs formulaire ───────────────────────────────────────────── */
.indygo-fields {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.indygo-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.indygo-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.indygo-field label {
    font-size: 12px;
    font-weight: 600;
    color: var(--c-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.indygo-field input {
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 14px;
    font-family: var(--font);
    font-weight: 500;
    color: var(--c-dark);
    background: var(--c-bg-card);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.indygo-field input::placeholder { color: #BBC5CE; font-weight: 400; }

.indygo-field input:focus {
    border-color: var(--c-dark);
    box-shadow: 0 0 0 3px rgba(15,25,35,0.06);
}

.indygo-pro-fields {
    background: var(--c-bg);
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

.indygo-pro-fields h3 {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-text-muted);
    margin-bottom: 16px;
}

/* ── Navigation ──────────────────────────────────────────────────── */
.indygo-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
    gap: 12px;
}

/* Bouton principal — pill sombre comme sur le site */
.btn-next {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--c-dark);
    color: var(--c-white);
    border: none;
    border-radius: var(--radius-pill);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    margin-left: auto;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn-next:hover {
    background: var(--c-dark-3);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Bouton retour — discret */
.btn-prev {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    color: var(--c-text-muted);
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-pill);
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-prev:hover {
    border-color: var(--c-dark);
    color: var(--c-dark);
    background: var(--c-bg);
}

/* ── Opt-in RGPD ──────────────────────────────────────────────────── */
.indygo-rgpd {
    margin: 20px 0 4px;
    padding: 14px 16px;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
}
.indygo-rgpd-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--c-text-muted);
    cursor: pointer;
}
.indygo-rgpd-label input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.indygo-rgpd-label a {
    color: var(--c-dark);
    text-decoration: underline;
}

/* Recommencer */
#btn-recommencer {
    background: transparent;
    color: var(--c-text-muted);
    border: none;
    font-size: 12px;
    font-family: var(--font);
    font-weight: 500;
    cursor: pointer;
    padding: 8px;
    transition: color var(--transition);
}
#btn-recommencer:hover { color: var(--c-dark); }

/* ── Section résultats ───────────────────────────────────────────── */
.indygo-recap-besoins {
    background: var(--c-bg);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 24px;
    border: 1.5px solid var(--c-border);
    font-size: 13px;
    color: var(--c-text-muted);
    line-height: 1.6;
}

/* Tableau produits */
.indygo-produits-table-wrap {
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.indygo-produits-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.indygo-produits-table thead tr {
    background: var(--c-dark);
}

.indygo-produits-table th {
    color: rgba(255,255,255,0.7);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 12px 16px;
    text-align: left;
}

.indygo-produits-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--c-border);
    vertical-align: middle;
    color: var(--c-text);
    font-weight: 400;
}

.indygo-produits-table tr:last-child td { border-bottom: none; }
.indygo-produits-table tr:nth-child(even) td { background: var(--c-bg); }

.indygo-produits-table td:first-child {
    font-weight: 700;
    font-size: 12px;
    color: var(--c-dark);
}

.badge-obligatoire {
    display: inline-block;
    background: rgba(123,111,232,0.1);
    color: var(--c-accent);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: var(--radius-pill);
    margin-left: 6px;
    vertical-align: middle;
}

/* ── Actions finales ─────────────────────────────────────────────── */
.indygo-actions {
    background: var(--c-bg);
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 8px;
}

.indygo-actions h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.indygo-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Boutons d'action — style pill Indygo */
.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    padding: 11px 20px;
    text-decoration: none;
    transition: all var(--transition);
    border: 1.5px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--c-dark);
    color: var(--c-white);
    border-color: var(--c-dark);
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    background: var(--c-dark-3);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    color: var(--c-white);
}

.btn-secondary {
    background: var(--c-white);
    color: var(--c-dark);
    border-color: var(--c-border);
    box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
    border-color: var(--c-dark);
    background: var(--c-bg);
}

.btn-outline {
    background: transparent;
    color: var(--c-text-muted);
    border-color: var(--c-border);
}
.btn-outline:hover {
    color: var(--c-dark);
    border-color: var(--c-dark);
    background: var(--c-bg);
}

/* ── Sous-formulaire pisciniste ──────────────────────────────────── */
.indygo-sub-form {
    margin-top: 16px;
    padding: 20px;
    background: var(--c-white);
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
}

.indygo-sub-form h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 14px;
}

/* ── Alertes ─────────────────────────────────────────────────────── */
.indygo-alertes {
    background: #FFFBEB;
    border: 1.5px solid #FDE68A;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 12px;
    color: #92400E;
    margin-bottom: 16px;
    line-height: 1.6;
}
.indygo-alertes p { margin: 2px 0; }

/* ── Confirmation ────────────────────────────────────────────────── */
.indygo-confirm {
    margin-top: 14px;
    padding: 12px 18px;
    background: #F0FDF4;
    border: 1.5px solid #BBF7D0;
    border-radius: var(--radius-md);
    color: #166534;
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Loading ─────────────────────────────────────────────────────── */
#indygo-loading {
    text-align: center;
    padding: 48px 20px;
    color: var(--c-text-muted);
    font-size: 14px;
}

.indygo-spinner {
    display: inline-block;
    width: 28px; height: 28px;
    border: 2.5px solid var(--c-border);
    border-top-color: var(--c-dark);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .indygo-config-hero { padding: 32px 24px 28px; border-radius: var(--radius-md); }
    .indygo-progress-wrap,
    .indygo-step { padding: 0 20px; }
    .indygo-choices { grid-template-columns: 1fr; }
    .indygo-field-row { grid-template-columns: 1fr; }
    .indygo-action-buttons { flex-direction: column; }
    .btn-action { width: 100%; justify-content: center; }
    .indygo-progress-labels span:not(.active) { display: none; }
}