/* ================================================================
   biomultimedia.pro — Système de design partagé
   Inclure APRÈS Bootstrap ou autre framework local.
   Ne modifie que les éléments explicitement listés.
   ================================================================ */

/* ─────────────────────────────────────────────────
   1. VARIABLES (tokens de design)
───────────────────────────────────────────────── */
:root {
  /* Couleurs primaires */
  --bm-primary:       #2563eb;
  --bm-primary-dark:  #1d4ed8;
  --bm-primary-light: #dbeafe;

  /* Couleurs sémantiques */
  --bm-success:       #16a34a;
  --bm-success-light: #dcfce7;
  --bm-warning:       #d97706;
  --bm-warning-light: #fef3c7;
  --bm-danger:        #dc2626;
  --bm-danger-light:  #fee2e2;

  /* Surfaces */
  --bm-bg:       #f0f2f5;
  --bm-surface:  #ffffff;
  --bm-surface2: #f8f9fb;
  --bm-border:   #e4e7ed;

  /* Texte */
  --bm-text:     #111827;
  --bm-text2:    #6b7280;
  --bm-text-inv: #ffffff;

  /* Typographie */
  --bm-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --bm-font-mono: 'Consolas', 'Courier New', monospace;

  /* Espacements */
  --bm-radius:  10px;
  --bm-radius-l: 16px;
  --bm-gap:     1.25rem;

  /* Ombres */
  --bm-shadow:   0 1px 3px rgba(0,0,0,.07), 0 4px 12px rgba(0,0,0,.06);
  --bm-shadow-h: 0 4px 10px rgba(0,0,0,.1), 0 12px 24px rgba(0,0,0,.09);

  /* Topnav */
  --bm-nav-h: 52px;
  --bm-nav-bg: var(--bm-primary);
}

/* Mode sombre */
[data-theme="dark"] {
  --bm-bg:       #0f172a;
  --bm-surface:  #1e293b;
  --bm-surface2: #273549;
  --bm-border:   #334155;
  --bm-text:     #f1f5f9;
  --bm-text2:    #94a3b8;
  --bm-primary-light: #1e3a6e;
  --bm-success-light: #14532d;
  --bm-warning-light: #78350f;
  --bm-danger-light:  #7f1d1d;
}

/* ─────────────────────────────────────────────────
   2. RESET MINIMAL (n'écrase pas les resets existants)
───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--bm-font);
  background-color: var(--bm-bg);
  color: var(--bm-text);
  -webkit-font-smoothing: antialiased;
}

/* Ajustement du padding-top quand la topnav est active */
body.bm-has-nav {
  padding-top: var(--bm-nav-h);
}

/* ─────────────────────────────────────────────────
   3. TOPNAV (injectée via topnav.js ou topnav.php)
───────────────────────────────────────────────── */
#bm-topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--bm-nav-h);
  background: var(--bm-nav-bg);
  color: var(--bm-text-inv);
  display: flex;
  align-items: center;
  padding: 0 clamp(12px, 3vw, 32px);
  gap: 12px;
  z-index: 9999;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
  font-family: var(--bm-font);
}

#bm-topnav .bm-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,.15);
  transition: background .2s;
  flex-shrink: 0;
}
#bm-topnav .bm-nav-back:hover { background: rgba(255,255,255,.28); color: #fff; }

#bm-topnav .bm-nav-sep {
  width: 1px;
  height: 22px;
  background: rgba(255,255,255,.25);
  flex-shrink: 0;
}

#bm-topnav .bm-nav-title {
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

#bm-topnav .bm-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

#bm-topnav .bm-nav-btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: none;
  background: rgba(255,255,255,.18);
  color: #fff;
  cursor: pointer;
  transition: background .2s;
}
#bm-topnav .bm-nav-btn:hover { background: rgba(255,255,255,.3); }

/* ─────────────────────────────────────────────────
   4. COMPOSANTS COMMUNS
───────────────────────────────────────────────── */

/* Boutons */
.bm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--bm-radius);
  border: none;
  font-size: .88rem;
  font-weight: 700;
  font-family: var(--bm-font);
  cursor: pointer;
  transition: filter .2s, transform .1s;
  text-decoration: none;
}
.bm-btn:active { transform: translateY(1px); }
.bm-btn-primary   { background: var(--bm-primary);  color: #fff; }
.bm-btn-success   { background: var(--bm-success);  color: #fff; }
.bm-btn-danger    { background: var(--bm-danger);   color: #fff; }
.bm-btn-secondary { background: var(--bm-surface2); color: var(--bm-text); border: 1px solid var(--bm-border); }
.bm-btn:hover     { filter: brightness(1.1); }

/* Cartes */
.bm-card {
  background: var(--bm-surface);
  border-radius: var(--bm-radius-l);
  border: 1px solid var(--bm-border);
  box-shadow: var(--bm-shadow);
  padding: clamp(16px, 3vw, 24px);
}

/* Inputs */
.bm-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--bm-border);
  border-radius: var(--bm-radius);
  background: var(--bm-surface);
  color: var(--bm-text);
  font-size: .9rem;
  font-family: var(--bm-font);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.bm-input:focus {
  border-color: var(--bm-primary);
  box-shadow: 0 0 0 3px var(--bm-primary-light);
}

/* Badges */
.bm-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.bm-badge-blue    { background: var(--bm-primary-light); color: var(--bm-primary-dark); }
.bm-badge-green   { background: var(--bm-success-light); color: var(--bm-success); }
.bm-badge-orange  { background: var(--bm-warning-light); color: var(--bm-warning); }
.bm-badge-red     { background: var(--bm-danger-light);  color: var(--bm-danger); }

/* Alertes */
.bm-alert {
  padding: 12px 16px;
  border-radius: var(--bm-radius);
  border-left: 4px solid currentColor;
  font-size: .88rem;
}
.bm-alert-success { background: var(--bm-success-light); color: var(--bm-success); }
.bm-alert-warning { background: var(--bm-warning-light); color: var(--bm-warning); }
.bm-alert-danger  { background: var(--bm-danger-light);  color: var(--bm-danger); }
.bm-alert-info    { background: var(--bm-primary-light); color: var(--bm-primary-dark); }

/* Tableaux */
.bm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}
.bm-table th {
  background: var(--bm-surface2);
  color: var(--bm-text2);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 2px solid var(--bm-border);
  white-space: nowrap;
}
.bm-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--bm-border);
}
.bm-table tbody tr:hover { background: var(--bm-surface2); }

/* Labels de formulaire */
.bm-label {
  display: block;
  font-size: .82rem;
  font-weight: 700;
  color: var(--bm-text2);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ─────────────────────────────────────────────────
   5. UTILITAIRES
───────────────────────────────────────────────── */
.bm-text-muted  { color: var(--bm-text2); }
.bm-text-primary{ color: var(--bm-primary); }
.bm-mt-auto     { margin-top: auto; }
.bm-gap-sm      { gap: .5rem; }
.bm-flex        { display: flex; align-items: center; gap: var(--bm-gap); }
.bm-grid-auto   { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: var(--bm-gap); }

/* ─────────────────────────────────────────────────
   6. MOTION & ACCESSIBILITÉ
───────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

:focus-visible { outline: 2px solid var(--bm-primary); outline-offset: 2px; }