/* ============================================================
   MK-SUN — DESIGN SYSTEM DASHBOARDS  (mks-theme.css)
   Source de vérité graphique unique. Tout dashboard HTML doit
   importer ce fichier et n'utiliser QUE ces variables.
   Jamais de couleur en dur dans les pages.
   ------------------------------------------------------------
   Import dans une page :
   <link rel="stylesheet" href="mks-theme.css">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
   ============================================================ */

:root {
  /* — Marque — */
  --mks-indigo:        #130090;  /* primaire (logo) */
  --mks-indigo-700:    #1a0fb0;
  --mks-indigo-600:    #2a1fd0;
  --mks-indigo-50:     #eeecff;  /* fonds doux */
  --mks-orange:        #ff6e00;  /* accent / CTA */
  --mks-orange-600:    #e85f00;
  --mks-orange-50:     #fff1e5;

  /* — Sémantique — */
  --mks-success:       #16a34a;
  --mks-success-bg:    #dcfce7;
  --mks-danger:        #dc2626;
  --mks-danger-bg:     #fee2e2;
  --mks-warning:       #d97706;
  --mks-warning-bg:    #fef3c7;
  --mks-info:          var(--mks-indigo-600);

  /* — Neutres — */
  --mks-ink:           #0f1024;  /* texte principal */
  --mks-muted:         #5b5d72;  /* texte secondaire */
  --mks-line:          #e7e7ef;  /* bordures */
  --mks-bg:            #f6f6fb;  /* fond de page */
  --mks-surface:       #ffffff;  /* cartes */
  --mks-surface-2:     #fafaff;

  /* — Typo — */
  --mks-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* — Rayons / ombres / espacements — */
  --mks-radius:        16px;
  --mks-radius-sm:     10px;
  --mks-shadow:        0 1px 2px rgba(15,16,36,.04), 0 8px 24px rgba(15,16,36,.06);
  --mks-shadow-hover:  0 2px 4px rgba(15,16,36,.06), 0 16px 40px rgba(15,16,36,.10);
  --mks-gap:           20px;

  /* — Palette graphiques (Chart.js) — */
  --mks-c1: #130090;  --mks-c2: #ff6e00;  --mks-c3: #2a1fd0;
  --mks-c4: #16a34a;  --mks-c5: #00b4d8;  --mks-c6: #f4a300;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--mks-font);
  color: var(--mks-ink);
  background: var(--mks-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
h1, h2, h3 { margin: 0 0 .2em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }
a { color: var(--mks-indigo-600); }

/* ===== Layout ===== */
.mks-page { width: 100%; max-width: none; margin: 0; padding: 28px 40px 64px; }
@media (max-width: 700px) { .mks-page { padding: 20px 16px 48px; } }
.mks-grid { display: grid; gap: var(--mks-gap); }
.mks-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.mks-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.mks-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.mks-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.mks-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.mks-grid.span-2 > .span { grid-column: span 2; }
/* Lignes "dashboard" qui mixent largeurs : utiliser style inline grid-template-columns */
@media (max-width: 1200px) { .mks-grid.cols-5, .mks-grid.cols-6 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 880px) {
  .mks-grid.cols-2, .mks-grid.cols-3, .mks-grid.cols-4,
  .mks-grid.cols-5, .mks-grid.cols-6 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) { .mks-grid { grid-template-columns: 1fr !important; } }

/* ===== Header ===== */
.mks-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 28px;
}
.mks-brand { display: flex; align-items: center; gap: 14px; }
.mks-brand .logo-wrap { position: relative; display: inline-flex; align-items: flex-end; }
.mks-brand .logo-wrap img { height: 34px; width: auto; display: block; }
.mks-brand .logo-wrap .ia {
  font-weight: 800; font-size: .72rem; line-height: 1; letter-spacing: .02em;
  color: #fff; background: var(--mks-orange);
  padding: 3px 6px; border-radius: 6px; margin-left: 7px; align-self: center;
  box-shadow: 0 2px 6px rgba(255,110,0,.35);
}
.mks-brand .sub { color: var(--mks-muted); font-size: .8rem; margin-left: 14px; padding-left: 14px; border-left: 1px solid var(--mks-line); }
.mks-date { color: var(--mks-muted); font-size: .85rem; }

/* ===== Bouton + panneau d'explication IA ===== */
.mks-explain-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit; font-size: .8rem; font-weight: 600; cursor: pointer;
  color: var(--mks-indigo); background: var(--mks-indigo-50);
  border: 1px solid transparent; padding: 6px 12px; border-radius: 999px;
  transition: background .15s ease, color .15s ease;
}
.mks-explain-btn:hover { background: var(--mks-indigo); color: #fff; }
.mks-explain-btn:disabled { opacity: .6; cursor: progress; }
.mks-explain-panel {
  margin-top: 14px; padding: 14px 16px; border-radius: var(--mks-radius-sm);
  background: var(--mks-surface-2); border: 1px solid var(--mks-line);
  font-size: .9rem; color: var(--mks-ink); line-height: 1.55;
  display: none; animation: mks-fade .25s ease;
}
.mks-explain-panel.show { display: block; }
.mks-explain-panel .head { display: flex; align-items: center; gap: 7px; font-weight: 700; color: var(--mks-indigo); margin-bottom: 6px; font-size: .82rem; }
.mks-explain-panel.loading { color: var(--mks-muted); font-style: italic; }
@keyframes mks-fade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ===== Toolbar / filtre période ===== */
.mks-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: var(--mks-gap); flex-wrap: wrap; }
.mks-segment { display: inline-flex; background: var(--mks-surface); border: 1px solid var(--mks-line); border-radius: 999px; padding: 4px; box-shadow: var(--mks-shadow); }
.mks-segment button {
  font-family: inherit; font-size: .85rem; font-weight: 600; cursor: pointer;
  color: var(--mks-muted); background: transparent; border: none;
  padding: 7px 16px; border-radius: 999px; transition: all .15s ease;
}
.mks-segment button:hover { color: var(--mks-ink); }
.mks-segment button.active { color: #fff; background: var(--mks-indigo); }
.mks-daterange { display: none; align-items: center; gap: 8px; background: var(--mks-surface); border: 1px solid var(--mks-line); border-radius: 999px; padding: 5px 8px 5px 14px; box-shadow: var(--mks-shadow); }
.mks-daterange.show { display: inline-flex; }
.mks-daterange label { font-size: .8rem; font-weight: 600; color: var(--mks-muted); }
.mks-daterange input[type=date] { font-family: inherit; font-size: .85rem; color: var(--mks-ink); border: 1px solid var(--mks-line); border-radius: 8px; padding: 5px 8px; background: var(--mks-surface-2); }
.mks-daterange button { font-family: inherit; font-size: .82rem; font-weight: 700; cursor: pointer; color: #fff; background: var(--mks-orange); border: none; padding: 7px 14px; border-radius: 999px; }
.mks-daterange button:hover { background: var(--mks-orange-600); }

/* ===== Card ===== */
.mks-card {
  background: var(--mks-surface);
  border: 1px solid var(--mks-line);
  border-radius: var(--mks-radius);
  box-shadow: var(--mks-shadow);
  padding: 22px;
  transition: box-shadow .18s ease, transform .18s ease;
}
.mks-card:hover { box-shadow: var(--mks-shadow-hover); }
.mks-card .card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.mks-card .card-head h2, .mks-card .card-head h3 { margin: 0; }

/* ===== KPI ===== */
.mks-kpi { position: relative; overflow: hidden; }
.mks-kpi::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 4px;
  background: var(--mks-orange);
}
.mks-kpi .label { color: var(--mks-muted); font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.mks-kpi .value { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; margin-top: 6px; }
.mks-kpi .trend { display: inline-flex; align-items: center; gap: 4px; font-size: .82rem; font-weight: 600; margin-top: 8px; padding: 2px 8px; border-radius: 999px; }
.mks-kpi .trend.up   { color: var(--mks-success); background: var(--mks-success-bg); }
.mks-kpi .trend.down { color: var(--mks-danger);  background: var(--mks-danger-bg); }
.mks-kpi .trend.flat { color: var(--mks-muted);   background: var(--mks-bg); }

/* ===== Badges ===== */
.mks-badge { display: inline-flex; align-items: center; gap: 5px; font-size: .75rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.mks-badge.success { color: var(--mks-success); background: var(--mks-success-bg); }
.mks-badge.danger  { color: var(--mks-danger);  background: var(--mks-danger-bg); }
.mks-badge.warning { color: var(--mks-warning); background: var(--mks-warning-bg); }
.mks-badge.brand   { color: var(--mks-indigo);  background: var(--mks-indigo-50); }
.mks-badge.accent  { color: var(--mks-orange-600); background: var(--mks-orange-50); }

/* ===== Tables ===== */
.mks-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.mks-table thead th {
  text-align: left; color: var(--mks-muted); font-weight: 600; font-size: .78rem;
  text-transform: uppercase; letter-spacing: .04em;
  padding: 10px 14px; border-bottom: 1px solid var(--mks-line);
}
.mks-table tbody td { padding: 12px 14px; border-bottom: 1px solid var(--mks-line); }
.mks-table tbody tr:last-child td { border-bottom: none; }
.mks-table tbody tr:hover { background: var(--mks-surface-2); }
.mks-table .num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

/* ===== Divers ===== */
.mks-muted { color: var(--mks-muted); }
.mks-footer { margin-top: 40px; color: var(--mks-muted); font-size: .8rem; text-align: center; }
.mks-pill-orange { background: var(--mks-orange); color: #fff; border: none; padding: 10px 18px; border-radius: 999px; font-weight: 700; font-family: inherit; cursor: pointer; }
.mks-pill-orange:hover { background: var(--mks-orange-600); }