/* ==========================================================================
   Base : jetons de design (surchargés par la personnalisation admin),
   reset, typographie, composants partagés boutique + admin.
   ========================================================================== */
:root {
  --c-primary: #FF6B35;
  --c-primary-ink: #FFFFFF;
  --c-dark: #101318;
  --c-secondary: #20252D;
  --c-bg: #F3F5F7;
  --c-surface: #FFFFFF;
  --c-text: #101318;
  --c-muted: #5B6573;
  --c-border: #E2E6EB;
  --c-success: #12805C;
  --c-warning: #B25E09;
  --c-danger: #C62828;
  --c-sale: #E53935;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 19, 24, .06), 0 1px 3px rgba(16, 19, 24, .08);
  --shadow-md: 0 6px 20px rgba(16, 19, 24, .10);
  --shadow-lg: 0 18px 50px rgba(16, 19, 24, .18);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 68px;
  --bottom-nav-h: 0px;
  --container: 1240px;
  color-scheme: light;
}

/* Thème sombre activé depuis l'admin (appearance.theme = "dark") */
:root[data-theme="dark"] {
  --c-bg: #0C0F13;
  --c-surface: #161B22;
  --c-text: #F3F5F7;
  --c-muted: #9AA4B2;
  --c-border: #262D37;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.6rem); font-weight: 800; }
h2 { font-size: clamp(1.3rem, 1.1rem + 1vw, 1.75rem); font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--c-primary) 70%, transparent); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 16px; }
.muted { color: var(--c-muted); }
.icon { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon--fill { fill: currentColor; stroke: none; }

/* Boutons */
.btn {
  --btn-bg: var(--c-surface);
  --btn-fg: var(--c-text);
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 46px; padding: .65rem 1.2rem;
  border: 1px solid var(--c-border); border-radius: calc(var(--radius) - 2px);
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 650; font-size: .95rem; line-height: 1.1;
  transition: transform .15s var(--ease), box-shadow .2s var(--ease), background-color .2s, opacity .2s;
  user-select: none; -webkit-tap-highlight-color: transparent;
}
.btn:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.btn--primary { --btn-bg: var(--c-primary); --btn-fg: var(--c-primary-ink); border-color: transparent; }
.btn--primary:hover { --btn-bg: color-mix(in srgb, var(--c-primary) 88%, #000); }
.btn--dark { --btn-bg: var(--c-dark); --btn-fg: #fff; border-color: transparent; }
.btn--ghost { --btn-bg: transparent; border-color: transparent; }
.btn--ghost:hover { --btn-bg: color-mix(in srgb, var(--c-text) 6%, transparent); box-shadow: none; transform: none; }
.btn--whatsapp { --btn-bg: #25D366; --btn-fg: #0B2E17; border-color: transparent; }
.btn--block { width: 100%; }
.btn--lg { min-height: 54px; font-size: 1.05rem; padding-inline: 1.6rem; }
.btn--icon { min-height: 42px; width: 42px; padding: 0; }

/* Champs */
.field { display: grid; gap: .35rem; }
.field label { font-weight: 600; font-size: .9rem; }
.input, .select, .textarea {
  width: 100%; min-height: 46px; padding: .6rem .85rem;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary) 22%, transparent); }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .22rem .55rem; border-radius: 999px;
  font-size: .75rem; font-weight: 700; letter-spacing: .02em; text-transform: uppercase;
  background: var(--c-dark); color: #fff;
}
.badge--sale { background: var(--c-sale); }
.badge--primary { background: var(--c-primary); color: var(--c-primary-ink); }
.badge--soft { background: color-mix(in srgb, var(--c-text) 8%, transparent); color: var(--c-text); text-transform: none; letter-spacing: 0; font-weight: 600; }
.badge--ok { background: color-mix(in srgb, var(--c-success) 14%, transparent); color: var(--c-success); text-transform: none; letter-spacing: 0; }
.badge--warn { background: color-mix(in srgb, var(--c-warning) 14%, transparent); color: var(--c-warning); text-transform: none; letter-spacing: 0; }
.badge--off { background: color-mix(in srgb, var(--c-danger) 12%, transparent); color: var(--c-danger); text-transform: none; letter-spacing: 0; }

/* Squelettes de chargement */
.skeleton {
  background: linear-gradient(90deg, color-mix(in srgb, var(--c-text) 6%, transparent) 25%, color-mix(in srgb, var(--c-text) 11%, transparent) 37%, color-mix(in srgb, var(--c-text) 6%, transparent) 63%);
  background-size: 400% 100%; animation: shimmer 1.3s ease infinite; border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* États vides / erreurs */
.empty {
  display: grid; justify-items: center; gap: .6rem; text-align: center;
  padding: 3rem 1.2rem; border: 1px dashed var(--c-border); border-radius: var(--radius);
  background: var(--c-surface); color: var(--c-muted);
}
.empty .icon { width: 44px; height: 44px; color: var(--c-primary); }
.empty h3 { color: var(--c-text); margin: 0; }

/* Notifications */
.toasts { position: fixed; z-index: 100; left: 50%; transform: translateX(-50%); bottom: calc(var(--bottom-nav-h) + 16px); display: grid; gap: .5rem; width: min(92vw, 420px); pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: .6rem; padding: .8rem 1rem; border-radius: var(--radius-sm);
  background: var(--c-dark); color: #fff; box-shadow: var(--shadow-lg); font-weight: 550;
  animation: toast-in .25s var(--ease); pointer-events: auto;
}
.toast--error { background: var(--c-danger); }
.toast--success .icon { color: #4ADE80; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Squelettes utilisés dans le HTML statique (pas de style en ligne : CSP stricte) */
.sk-h1 { height: 36px; width: min(520px, 80%); }
.sk-line { height: 20px; width: min(380px, 60%); }
.sk-square { aspect-ratio: 1; }
.sk-block { height: 140px; }
.sk-stack { display: grid; gap: 12px; align-content: start; }