/* ============================================================================
   KAÏSA — assets/css/kaisa.css
   Design system central : couleurs, typographie, composants réutilisables.
   Polices système uniquement (le logiciel doit fonctionner sans connexion
   internet permanente, donc pas de dépendance à une police distante).
   ============================================================================ */

:root {
  /* --- Couleurs de marque --- */
  --k-black:        #1A1A1A;
  --k-black-soft:   #262626;
  --k-orange:       #F5820D;
  --k-orange-dark:  #C96A0A;
  --k-orange-light: #FDECD8;
  --k-white:        #FFFFFF;

  /* --- Neutres UI --- */
  --k-bg:           #F5F6F8;
  --k-surface:      #FFFFFF;
  --k-border:       #E4E4E8;
  --k-text:         #1A1A1A;
  --k-text-muted:   #6B6B70;
  --k-text-faint:   #9A9AA0;

  /* --- États --- */
  --k-success:      #1F8B4C;
  --k-success-bg:   #E7F6ED;
  --k-danger:       #D64545;
  --k-danger-bg:    #FBEAEA;
  --k-warning:      #C98A0A;
  --k-warning-bg:   #FDF3E0;

  /* --- Typo --- */
  --k-font-display: Georgia, 'Times New Roman', 'DejaVu Serif', serif;
  --k-font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;

  /* --- Ombres & rayons --- */
  --k-radius-sm: 8px;
  --k-radius: 14px;
  --k-radius-lg: 22px;
  --k-shadow-sm: 0 1px 3px rgba(20,20,20,0.06);
  --k-shadow: 0 8px 24px rgba(20,20,20,0.08);
  --k-shadow-lg: 0 24px 60px rgba(20,20,20,0.18);
}

/* =========================================================================
   THÈME SOMBRE — activé via <html data-theme="sombre">
   Seuls les neutres (fond/texte/bordures/surfaces) changent : le noir et
   l'orange de marque restent identiques pour préserver l'identité Kaïsa.
   ========================================================================= */
html[data-theme="sombre"] {
  --k-bg:           #121214;
  --k-surface:      #1C1C1F;
  --k-border:       #2E2E33;
  --k-text:         #F2F2F3;
  --k-text-muted:   #A7A7AD;
  --k-text-faint:   #77777D;
  --k-orange-light: #3A2A18;
  --k-success-bg:   #163625;
  --k-danger-bg:    #3A2020;
  --k-warning-bg:   #3A2E14;
  --k-shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --k-shadow: 0 8px 24px rgba(0,0,0,0.35);
  --k-shadow-lg: 0 24px 60px rgba(0,0,0,0.5);
}
html[data-theme="sombre"] body { background: var(--k-bg); }
html[data-theme="sombre"] ::-webkit-scrollbar-thumb { background: #3A3A40; }
html[data-theme="sombre"] ::-webkit-scrollbar-thumb:hover { background: #4A4A52; }

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: var(--k-font-body);
  color: var(--k-text);
  background: var(--k-bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--k-font-display); margin: 0; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* Focus clavier visible partout (accessibilité) */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--k-orange);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------------------
   Logo mark (le "K" — réutilisé partout : login, sidebar, splash)
--------------------------------------------------------------------- */
.k-logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 22%;
  flex-shrink: 0;
}
.k-logo-mark svg { display: block; }

/* ---------------------------------------------------------------------
   Boutons
--------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px;
  border-radius: var(--k-radius-sm);
  border: 1px solid transparent;
  font-size: 15px; font-weight: 600;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--k-orange); color: var(--k-black);
  box-shadow: 0 4px 14px rgba(245,130,13,0.35);
}
.btn-primary:hover { background: var(--k-orange-dark); }
.btn-dark { background: var(--k-black); color: var(--k-white); }
.btn-dark:hover { background: var(--k-black-soft); }
.btn-ghost { background: transparent; color: var(--k-text); border-color: var(--k-border); }
.btn-ghost:hover { border-color: var(--k-text-faint); background: var(--k-bg); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------------------------------------------------------------------
   Champs de formulaire
--------------------------------------------------------------------- */
.field { margin-bottom: 20px; text-align: left; }
.field label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--k-text-muted); margin-bottom: 7px;
  text-transform: uppercase; letter-spacing: .04em;
}
.field input, .field select {
  width: 100%; padding: 13px 15px;
  border: 1.5px solid var(--k-border); border-radius: var(--k-radius-sm);
  font-size: 15px; color: var(--k-text); background: var(--k-white);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus {
  border-color: var(--k-orange); outline: none;
  box-shadow: 0 0 0 4px var(--k-orange-light);
}
.field .hint { font-size: 12.5px; color: var(--k-text-faint); margin-top: 6px; }
.field .erreur-msg { font-size: 12.5px; color: var(--k-danger); margin-top: 6px; display: none; }

/* ---------------------------------------------------------------------
   Cartes / conteneurs
--------------------------------------------------------------------- */
.card {
  background: var(--k-surface); border: 1px solid var(--k-border);
  border-radius: var(--k-radius); box-shadow: var(--k-shadow-sm);
}

/* ---------------------------------------------------------------------
   Alertes / bandeaux de message
--------------------------------------------------------------------- */
.alert { padding: 13px 16px; border-radius: var(--k-radius-sm); font-size: 14px; display: flex; align-items: center; gap: 10px; }
.alert-danger { background: var(--k-danger-bg); color: var(--k-danger); }
.alert-success { background: var(--k-success-bg); color: var(--k-success); }
.alert-warning { background: var(--k-warning-bg); color: var(--k-warning); }

/* ---------------------------------------------------------------------
   Badges de statut (pastilles)
--------------------------------------------------------------------- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge-success { background: var(--k-success-bg); color: var(--k-success); }
.badge-danger  { background: var(--k-danger-bg); color: var(--k-danger); }
.badge-warning { background: var(--k-warning-bg); color: var(--k-warning); }
.badge-neutral { background: var(--k-bg); color: var(--k-text-muted); }

/* ---------------------------------------------------------------------
   Scrollbar discrète
--------------------------------------------------------------------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #D5D5DA; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #B8B8BE; }
