/* ===================================================================
   KREAFINITY — Composants du design system v2
   -------------------------------------------------------------------
   Tous les sélecteurs sont préfixés .kf- : aucun conflit avec les
   styles historiques (style-modern.css) que les pages non encore
   refondues utilisent toujours. Les valeurs viennent de tokens.css.
   Démonstration de chaque composant : /styleguide.php
   =================================================================== */

/* ── Base des pages refondues (body.kf-v2) ─────────────────────── */
html { -webkit-text-size-adjust: 100%; }
/* L'attribut hidden doit toujours l'emporter, même sur un composant qui
   déclare son propre display (message d'erreur, bouton…). */
[hidden] { display: none !important; }

body.kf-v2 {   /* body. : doit battre body[data-theme="dark"] de dark-theme.css */
    background: var(--kf-bg);
    color: var(--kf-text);
    font-family: var(--kf-font-body);
    font-size: var(--kf-text-base);
    line-height: var(--kf-lh-body);
}
/* :where() garde ces règles de base à faible spécificité : elles battent les
   styles historiques (sélecteurs d'élément nus) sans écraser les composants. */
.kf-v2 :where(h1, h2, h3, h4) {
    font-family: var(--kf-font-display);
    color: var(--kf-text-strong);
    letter-spacing: -0.025em;
    line-height: var(--kf-lh-heading);
    font-weight: 700;
}
.kf-v2 :where(p) { color: inherit; font-size: inherit; line-height: inherit; }
.kf-v2 :where(img) { max-width: 100%; height: auto; display: block; }
.kf-v2 :where(a) { color: var(--kf-link); transition: color var(--kf-dur-fast) ease; }

.kf-h1 { font-size: var(--kf-h1); line-height: var(--kf-lh-tight); letter-spacing: -0.035em; font-weight: 800; }
.kf-h2 { font-size: var(--kf-h2); line-height: 1.1; letter-spacing: -0.03em; font-weight: 750; }
.kf-h3 { font-size: var(--kf-h3); line-height: 1.25; }
.kf-lead { font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem); line-height: 1.6; color: var(--kf-text-muted); }
.kf-muted { color: var(--kf-text-muted); }
.kf-eyebrow {
    display: inline-flex; align-items: center; gap: var(--kf-space-2);
    font-size: var(--kf-text-xs); font-weight: 650; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--kf-brand-text);
}
.kf-text-gradient {
    background: var(--kf-gradient-highlight);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}

/* ── Mise en page ──────────────────────────────────────────────── */
.kf-container {
    width: 100%;
    max-width: calc(var(--kf-container) + 2 * var(--kf-gutter));
    margin-inline: auto;
    padding-inline: var(--kf-gutter);
}
.kf-section { padding-block: var(--kf-section-y); position: relative; }
.kf-section--alt { background: var(--kf-bg-alt); }
.kf-section--tight { padding-block: clamp(2.5rem, 2rem + 2vw, 4rem); }
.kf-section__head { max-width: 720px; margin: 0 auto var(--kf-space-12); text-align: center; }
.kf-section__head .kf-lead { margin-top: var(--kf-space-4); }
.kf-section__head .kf-eyebrow { margin-bottom: var(--kf-space-3); }

.kf-grid { display: grid; gap: var(--kf-space-6); }
@media (min-width: 768px) {
    .kf-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kf-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.kf-stack > * + * { margin-top: var(--kf-space-4); }
.kf-cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--kf-space-3); }

/* ── Boutons ───────────────────────────────────────────────────── */
.kf-btn {
    --kf-btn-bg: var(--kf-surface);
    --kf-btn-fg: var(--kf-text-strong);
    --kf-btn-border: var(--kf-border-strong);
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    min-height: 48px; padding: 0.75rem 1.375rem;
    font: 600 var(--kf-text-base)/1.2 var(--kf-font-body);
    letter-spacing: -0.005em; text-decoration: none; white-space: nowrap;
    color: var(--kf-btn-fg) !important;
    background: var(--kf-btn-bg);
    border: 1.5px solid var(--kf-btn-border);
    border-radius: var(--kf-radius-pill);
    cursor: pointer;
    transition: background-color var(--kf-dur) var(--kf-ease), border-color var(--kf-dur) var(--kf-ease),
                box-shadow var(--kf-dur) var(--kf-ease), transform var(--kf-dur-fast) var(--kf-ease);
}
.kf-btn:hover { transform: translateY(-1px); }
.kf-btn:active { transform: translateY(0); }
.kf-btn i { font-size: 1.15em; line-height: 1; }
.kf-btn--primary {
    --kf-btn-bg: var(--kf-action); --kf-btn-fg: var(--kf-on-action); --kf-btn-border: var(--kf-action);
    box-shadow: var(--kf-shadow-action);
}
.kf-btn--primary:hover { --kf-btn-bg: var(--kf-action-hover); --kf-btn-border: var(--kf-action-hover); box-shadow: 0 10px 24px rgba(207, 59, 22, 0.34); }
.kf-btn--brand { --kf-btn-bg: var(--kf-brand); --kf-btn-fg: #fff; --kf-btn-border: var(--kf-brand); }
.kf-btn--brand:hover { --kf-btn-bg: var(--kf-brand-hover); --kf-btn-border: var(--kf-brand-hover); }
.kf-btn--secondary:hover { --kf-btn-border: var(--kf-brand); --kf-btn-fg: var(--kf-brand-text); }
.kf-btn--ghost { --kf-btn-bg: transparent; --kf-btn-border: transparent; --kf-btn-fg: var(--kf-text-strong); }
.kf-btn--ghost:hover { --kf-btn-bg: var(--kf-brand-soft); --kf-btn-fg: var(--kf-brand-text); }
/* Variantes pour fond sombre (hero, bandeaux) */
.kf-btn--on-dark { --kf-btn-bg: rgba(255, 255, 255, 0.06); --kf-btn-fg: #fff; --kf-btn-border: rgba(255, 255, 255, 0.28); }
.kf-btn--on-dark:hover { --kf-btn-bg: rgba(255, 255, 255, 0.12); --kf-btn-border: rgba(255, 255, 255, 0.5); }
.kf-btn--whatsapp { --kf-btn-bg: var(--kf-whatsapp-strong); --kf-btn-fg: #fff; --kf-btn-border: var(--kf-whatsapp-strong); }
.kf-btn--whatsapp:hover { --kf-btn-bg: #0F7A3B; --kf-btn-border: #0F7A3B; }
.kf-btn--sm { min-height: 40px; padding: 0.5rem 1rem; font-size: var(--kf-text-sm); }
.kf-btn--lg { min-height: 56px; padding: 0.95rem 1.75rem; font-size: var(--kf-text-md); }
.kf-btn--block { width: 100%; }
.kf-btn[disabled], .kf-btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
.kf-btn[aria-busy="true"] { pointer-events: none; }
.kf-btn[aria-busy="true"]::after {
    content: ''; width: 1em; height: 1em; border-radius: 50%;
    border: 2px solid currentColor; border-right-color: transparent;
    animation: kf-spin 0.7s linear infinite;
}
@keyframes kf-spin { to { transform: rotate(360deg); } }

.kf-link-arrow {
    display: inline-flex; align-items: center; gap: 0.35rem;
    font-weight: 600; text-decoration: none; color: var(--kf-link);
}
.kf-link-arrow i { transition: transform var(--kf-dur) var(--kf-ease); }
.kf-link-arrow:hover i { transform: translateX(3px); }

/* ── Badges ────────────────────────────────────────────────────── */
.kf-badge {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.3rem 0.7rem; border-radius: var(--kf-radius-pill);
    font-size: var(--kf-text-xs); font-weight: 600; line-height: 1.2;
    background: var(--kf-surface-2); color: var(--kf-text); border: 1px solid var(--kf-border);
}
.kf-badge--brand   { background: var(--kf-brand-soft); color: var(--kf-brand-text); border-color: transparent; }
.kf-badge--action  { background: var(--kf-coral-50); color: var(--kf-coral-700); border-color: transparent; }
/* Vert plus foncé que --kf-success : sur fond teinté, #11845B tombait à 4,2:1 */
.kf-badge--success { background: var(--kf-success-bg); color: #0E7552; border-color: transparent; }
.kf-badge--warning { background: var(--kf-warning-bg); color: var(--kf-warning); border-color: transparent; }
.kf-badge--danger  { background: var(--kf-danger-bg); color: var(--kf-danger); border-color: transparent; }
.kf-badge--on-dark { background: rgba(255, 255, 255, 0.08); color: #E9E6F5; border-color: rgba(255, 255, 255, 0.16); }
[data-theme="dark"] .kf-badge--action { background: rgba(229, 83, 44, 0.16); color: #FFB59E; }
[data-theme="dark"] .kf-badge--success { color: #5FD3A6; }
[data-theme="dark"] .kf-badge--warning { color: #F4BE63; }
[data-theme="dark"] .kf-badge--danger { color: #FF9C93; }

/* ── Cartes ────────────────────────────────────────────────────── */
.kf-card {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-xl);
    padding: clamp(1.25rem, 1rem + 1vw, 2rem);
    box-shadow: var(--kf-shadow-xs);
}
.kf-card--interactive { transition: transform var(--kf-dur) var(--kf-ease), box-shadow var(--kf-dur) var(--kf-ease), border-color var(--kf-dur) var(--kf-ease); }
.kf-card--interactive:hover { transform: translateY(-3px); box-shadow: var(--kf-shadow-md); border-color: var(--kf-violet-200); }
[data-theme="dark"] .kf-card--interactive:hover { border-color: var(--kf-violet-700); }
.kf-card--featured { border: 2px solid var(--kf-brand); box-shadow: var(--kf-shadow-lg); }
.kf-card__icon {
    width: 48px; height: 48px; border-radius: var(--kf-radius-md);
    display: grid; place-items: center; font-size: 1.4rem;
    background: var(--kf-brand-soft); color: var(--kf-brand-text);
}

/* ── Champs de formulaire ──────────────────────────────────────── */
.kf-field { display: grid; gap: 0.4rem; }
.kf-label { font-weight: 600; font-size: var(--kf-text-sm); color: var(--kf-text-strong); }
.kf-label .kf-optional { font-weight: 400; color: var(--kf-text-muted); }
.kf-hint { font-size: var(--kf-text-xs); color: var(--kf-text-muted); }
.kf-error { font-size: var(--kf-text-xs); color: var(--kf-danger); font-weight: 600; display: flex; gap: 0.3rem; align-items: center; }
.kf-input, .kf-select, .kf-textarea {
    width: 100%; min-height: 48px; padding: 0.7rem 0.95rem;
    font: 400 var(--kf-text-base)/1.4 var(--kf-font-body);   /* 16 px : pas de zoom auto sur iOS */
    color: var(--kf-text-strong);
    background: var(--kf-surface);
    border: 1.5px solid var(--kf-border-strong);
    border-radius: var(--kf-radius-md);
    transition: border-color var(--kf-dur-fast) ease, box-shadow var(--kf-dur-fast) ease;
}
.kf-textarea { min-height: 120px; resize: vertical; }
.kf-input::placeholder, .kf-textarea::placeholder { color: var(--kf-ink-400); }
.kf-input:hover, .kf-select:hover, .kf-textarea:hover { border-color: var(--kf-ink-500); }
.kf-input:focus, .kf-select:focus, .kf-textarea:focus {
    outline: none; border-color: var(--kf-brand);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--kf-brand) 18%, transparent);
}
.kf-input[aria-invalid="true"], .kf-select[aria-invalid="true"], .kf-textarea[aria-invalid="true"] { border-color: var(--kf-danger); }
.kf-select {
    appearance: none; padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23625C77' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0.9rem center;
}
.kf-check { display: flex; gap: 0.65rem; align-items: flex-start; font-size: var(--kf-text-sm); cursor: pointer; }
.kf-check input { width: 20px; height: 20px; margin-top: 0.1rem; accent-color: var(--kf-brand); flex-shrink: 0; }

/* Deux champs côte à côte sur grand écran */
.kf-row-2 { display: grid; gap: 1.1rem; }
@media (min-width: 640px) { .kf-row-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* Champ piège anti-robots : hors écran, jamais focalisable */
.kf-hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
/* Message d'alerte (erreur globale d'un formulaire) */
.kf-alert { padding: 0.9rem 1.1rem; border-radius: var(--kf-radius-md); background: var(--kf-danger-bg); border-left: 4px solid var(--kf-danger); color: var(--kf-text-strong); font-size: var(--kf-text-sm); }
.kf-alert--success { background: var(--kf-success-bg); border-left-color: var(--kf-success); }
.kf-alert--info { background: var(--kf-info-bg); border-left-color: var(--kf-info); }

/* Grandes cartes de choix (tunnel) : un input radio/checkbox caché visuellement */
.kf-choice { position: relative; display: block; cursor: pointer; }
.kf-choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.kf-choice__box {
    display: flex; align-items: center; gap: 0.9rem; min-height: 64px;
    padding: 1rem 1.1rem; border-radius: var(--kf-radius-lg);
    border: 1.5px solid var(--kf-border-strong); background: var(--kf-surface);
    transition: border-color var(--kf-dur-fast) ease, background-color var(--kf-dur-fast) ease, box-shadow var(--kf-dur-fast) ease;
}
.kf-choice__box i { font-size: 1.5rem; color: var(--kf-brand-text); }
.kf-choice:hover .kf-choice__box { border-color: var(--kf-brand); }
.kf-choice input:checked + .kf-choice__box { border-color: var(--kf-brand); background: var(--kf-brand-soft); box-shadow: inset 0 0 0 1px var(--kf-brand); }
.kf-choice input:focus-visible + .kf-choice__box { outline: 3px solid var(--kf-focus); outline-offset: 2px; }

/* ── Onglets ───────────────────────────────────────────────────── */
.kf-tabs [role="tablist"] {
    display: inline-flex; gap: 0.25rem; padding: 0.3rem;
    background: var(--kf-surface-2); border: 1px solid var(--kf-border); border-radius: var(--kf-radius-pill);
    max-width: 100%; overflow-x: auto;
}
.kf-tab {
    border: 0; background: transparent; cursor: pointer; white-space: nowrap;
    font: 600 var(--kf-text-sm)/1 var(--kf-font-body); color: var(--kf-text-muted);
    padding: 0.7rem 1rem; min-height: 40px; border-radius: var(--kf-radius-pill);
    transition: background-color var(--kf-dur) var(--kf-ease), color var(--kf-dur) var(--kf-ease);
}
.kf-tab[aria-selected="true"] { background: var(--kf-surface); color: var(--kf-text-strong); box-shadow: var(--kf-shadow-sm); }
.kf-tabpanel { padding-top: var(--kf-space-6); }
.kf-tabpanel[hidden] { display: none; }

/* ── Modale (élément <dialog> natif) ───────────────────────────── */
.kf-modal {
    width: min(560px, calc(100vw - 2rem)); max-height: calc(100dvh - 2rem);
    padding: 0; border: 0; border-radius: var(--kf-radius-xl);
    background: var(--kf-surface); color: var(--kf-text); box-shadow: var(--kf-shadow-lg);
}
.kf-modal::backdrop { background: rgba(15, 11, 33, 0.55); backdrop-filter: blur(3px); }
.kf-modal[open] { animation: kf-pop var(--kf-dur-slow) var(--kf-ease); }
.kf-modal__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.5rem 0; }
.kf-modal__body { padding: 1rem 1.5rem 1.5rem; }
.kf-modal__foot { display: flex; justify-content: flex-end; gap: 0.75rem; padding: 0 1.5rem 1.5rem; flex-wrap: wrap; }
.kf-icon-btn {
    width: 44px; height: 44px; display: inline-grid; place-items: center;
    border: 0; border-radius: var(--kf-radius-pill); background: transparent; color: var(--kf-text-strong);
    font-size: 1.3rem; cursor: pointer; transition: background-color var(--kf-dur-fast) ease;
}
.kf-icon-btn:hover { background: var(--kf-surface-2); }
@keyframes kf-pop { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }

/* ── Toasts ────────────────────────────────────────────────────── */
.kf-toasts {
    position: fixed; z-index: 1200; left: 50%; bottom: 1rem; transform: translateX(-50%);
    display: grid; gap: 0.5rem; width: min(420px, calc(100vw - 2rem)); pointer-events: none;
}
.kf-toast {
    pointer-events: auto; display: flex; gap: 0.75rem; align-items: flex-start;
    padding: 0.9rem 1rem; border-radius: var(--kf-radius-lg);
    background: var(--kf-ink-900); color: #F4F2FA; box-shadow: var(--kf-shadow-lg);
    font-size: var(--kf-text-sm); animation: kf-pop var(--kf-dur-slow) var(--kf-ease);
}
.kf-toast i { font-size: 1.2rem; line-height: 1.2; }
.kf-toast--success i { color: #5FD3A6; }
.kf-toast--error i { color: #FF9C93; }
.kf-toast.is-leaving { opacity: 0; transform: translateY(6px); transition: all var(--kf-dur) ease; }

/* ── Tableaux ──────────────────────────────────────────────────── */
.kf-table-wrap { overflow-x: auto; border: 1px solid var(--kf-border); border-radius: var(--kf-radius-lg); background: var(--kf-surface); }
.kf-table { width: 100%; border-collapse: collapse; font-size: var(--kf-text-sm); }
.kf-table th, .kf-table td { padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--kf-border); vertical-align: middle; }
.kf-table thead th { font-size: var(--kf-text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--kf-text-muted); background: var(--kf-surface-2); font-weight: 650; }
.kf-table tbody tr:last-child td { border-bottom: 0; }
.kf-table tbody tr:hover td { background: color-mix(in srgb, var(--kf-brand) 4%, transparent); }
/* Sur mobile, chaque ligne devient une carte (les cellules portent data-label) */
@media (max-width: 640px) {
    .kf-table--stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
    .kf-table--stack tr { display: block; border-bottom: 1px solid var(--kf-border); padding: 0.5rem 0; }
    .kf-table--stack td { display: flex; justify-content: space-between; gap: 1rem; border: 0; padding: 0.45rem 1rem; }
    .kf-table--stack td::before { content: attr(data-label); font-weight: 600; color: var(--kf-text-muted); }
}

/* ── État vide ─────────────────────────────────────────────────── */
.kf-empty { text-align: center; padding: clamp(2rem, 1.5rem + 3vw, 3.5rem) 1.5rem; border: 1.5px dashed var(--kf-border); border-radius: var(--kf-radius-xl); background: var(--kf-surface); }
.kf-empty__icon { width: 64px; height: 64px; margin: 0 auto 1rem; border-radius: 50%; display: grid; place-items: center; font-size: 1.8rem; background: var(--kf-brand-soft); color: var(--kf-brand-text); }
.kf-empty h3 { font-size: var(--kf-text-xl); margin-bottom: 0.4rem; }
.kf-empty p { color: var(--kf-text-muted); max-width: 42ch; margin: 0 auto 1.25rem; }

/* ── Squelettes de chargement ──────────────────────────────────── */
.kf-skeleton {
    display: block; border-radius: var(--kf-radius-sm); min-height: 1em;
    background: linear-gradient(90deg, var(--kf-surface-2) 0%, var(--kf-border) 50%, var(--kf-surface-2) 100%);
    background-size: 200% 100%; animation: kf-shimmer 1.4s ease-in-out infinite;
}
.kf-skeleton--text { height: 0.9em; margin: 0.45em 0; }
.kf-skeleton--title { height: 1.6em; width: 60%; }
.kf-skeleton--avatar { width: 48px; height: 48px; border-radius: 50%; }
@keyframes kf-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ── FAQ / accordéon (<details> natif : fonctionne sans JS) ────── */
.kf-faq { border-bottom: 1px solid var(--kf-border); }
.kf-faq summary {
    list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1.25rem 0; font: 650 var(--kf-text-md)/1.35 var(--kf-font-body); color: var(--kf-text-strong);
}
.kf-faq summary::-webkit-details-marker { display: none; }
.kf-faq summary::after {
    content: '+'; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
    display: grid; place-items: center; font-size: 1.3rem; font-weight: 400;
    background: var(--kf-surface-2); color: var(--kf-brand-text);
    transition: transform var(--kf-dur) var(--kf-ease);
}
.kf-faq[open] summary::after { transform: rotate(45deg); }
.kf-faq__body { padding: 0 2.75rem 1.25rem 0; color: var(--kf-text-muted); }
.kf-faq__body p + p { margin-top: 0.6rem; }

/* ── Emplacement à compléter (visible en local / pour l'admin seulement) ── */
.kf-placeholder {
    display: flex; align-items: center; gap: 0.6rem; padding: 0.85rem 1rem;
    border: 2px dashed #E5A100; border-radius: var(--kf-radius-md);
    background: repeating-linear-gradient(45deg, rgba(229, 161, 0, 0.08) 0 10px, transparent 10px 20px);
    color: #7A4F00; font: 600 var(--kf-text-sm)/1.4 var(--kf-font-body);
}
[data-theme="dark"] .kf-placeholder { color: #F4BE63; }

/* ── Apparition au défilement ──────────────────────────────────────
   Le contenu n'est masqué que si le JS est actif (classe kf-js posée
   sur <html>) ET que l'utilisateur accepte les animations. Sans JS,
   tout est visible d'emblée. Jamais sur un contenu critique (prix,
   tableau, formulaire). */
@media (prefers-reduced-motion: no-preference) {
    .kf-js [data-reveal]:not(.is-in) { opacity: 0; transform: translateY(14px); }
    .kf-js [data-reveal] {
        transition: opacity 600ms var(--kf-ease), transform 600ms var(--kf-ease);
        transition-delay: var(--kf-delay, 0ms);
    }
}

/* ── Accessibilité ─────────────────────────────────────────────── */
.kf-sr-only {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.kf-skip {
    position: fixed; left: 1rem; top: -100px; z-index: 2000;
    padding: 0.75rem 1rem; border-radius: var(--kf-radius-md);
    background: var(--kf-ink-950); color: #fff !important; font-weight: 600; text-decoration: none;
}
.kf-skip:focus { top: 1rem; }
.kf-v2 :focus-visible, .kf-header :focus-visible, .kf-footer :focus-visible {
    outline: 3px solid var(--kf-focus); outline-offset: 3px; border-radius: 6px;
}