/* ==========================================================   Flamme Manager – Dashboard CSS (v1)
   Structure légère, responsive et accessible
   - Palette neutre + accent
   - Grilles pour KPIs, charts, colonnes focus
   - Styles tables lisibles
   - Dark mode via prefers-color-scheme
   ========================================================== */

/* ---- Reset / base ---- */
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: #1f2937; /* gray-800 */
  background: #f7fafc; /* gray-50 */
  line-height: 1.5;
}

:root {
  --bg: #f7fafc;           /* gris très clair */
  --card: #ffffff;         /* fond cartes */
  --text: #111827;         /* gris-900 */
  --muted: #6b7280;        /* gris-500 */
  --border: #e5e7eb;       /* gris-200 */
  --accent: #ea580c;       /* orange-600 */
  --accent-weak: #ffedd5;  /* orange-100 */
  --positive: #16a34a;     /* green-600 */
  --warning: #f59e0b;      /* amber-500 */
  --danger: #dc2626;       /* red-600 */
  --link: #2563eb;         /* blue-600 */
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --card: #0f172a;    /* slate-900 */
    --text: #e5e7eb;    /* gris-200 */
    --muted: #94a3b8;   /* slate-400 */
    --border: #1f2937;  /* slate-800 */
    --accent: #fb923c;  /* orange-400 */
    --accent-weak: #3b2415; /* brun atténué */
    --link: #93c5fd;    /* blue-300 */
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.35);
  }
  body { background: var(--bg); color: var(--text); }
}

/* ---- Layout global ---- */
header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
header h1 {
  margin: 0;
  padding: 1rem 1.25rem 0.5rem;
  font-size: 1.25rem;
}
header nav ul {
  display: flex;
  gap: .75rem;
  list-style: none;
  margin: 0;
  padding: .5rem 1rem 1rem;
  flex-wrap: wrap;
}
header nav a, header nav strong {
  display: inline-block;
  padding: .4rem .7rem;
  border-radius: .5rem;
  text-decoration: none;
  color: var(--text);
  border: 1px solid transparent;
}
header nav a:hover { background: var(--accent-weak); border-color: var(--border); }
header nav strong { background: var(--accent-weak); border-color: var(--accent-weak); }

main#dashboard {
  max-width: 1200px;
  margin: 1rem auto;
  padding: 0 1rem 2rem;
}

footer {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 1rem;
  text-align: center;
  color: var(--muted);
}

/* ---- Cartes / sections ---- */
section > h2, section > h3 { margin: 1rem 0 .5rem; }
.kpi-grid, .charts-grid, .focus-grid { gap: 1rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: .75rem;
  box-shadow: var(--shadow);
}

/* ---- KPIs ---- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: 1rem;
  box-shadow: var(--shadow);
}
.kpi h3 {
  margin: 0 0 .25rem;
  font-size: .95rem;
  color: var(--muted);
  font-weight: 600;
}
.kpi-value { font-size: 1.6rem; font-weight: 700; margin: .25rem 0; }
.kpi-sub { margin: 0; color: var(--muted); font-size: .9rem; }

/* Badges rapides (optionnel) */
.badge { display:inline-block; padding:.15rem .5rem; font-size:.75rem; border-radius:.5rem; }
.badge.ok { background: rgba(22,163,74,.12); color: var(--positive); border: 1px solid rgba(22,163,74,.25); }
.badge.warn { background: rgba(245,158,11,.12); color: var(--warning); border: 1px solid rgba(245,158,11,.25); }
.badge.danger { background: rgba(220,38,38,.12); color: var(--danger); border: 1px solid rgba(220,38,38,.25); }

/* ---- Grilles charts ---- */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.chart-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: .75rem;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
}
.chart-table th, .chart-table td { padding: .6rem .75rem; text-align: left; }
.chart-table thead { background: #f3f4f6; }
@media (prefers-color-scheme: dark) {
  .chart-table thead { background: #111827; }
}

/* ---- Listes focus ---- */
.focus-grid {
  display: grid;
  grid-template-columns: 1fr; /* lisibilité: on empile les cartes */
  gap: 1.25rem;               /* un peu plus d'air entre les blocs */
  align-items: start;
}
.list-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: .75rem;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
}
.list-table thead { background: #f3f4f6; }
@media (prefers-color-scheme: dark) {
  .list-table thead { background: #111827; }
}
.list-table th, .list-table td { padding: .55rem .7rem; font-size: .95rem; }
.list-table tbody tr + tr { border-top: 1px solid var(--border); }
.list-table tbody tr:hover { background: rgba(0,0,0,.03); }
@media (prefers-color-scheme: dark) {
  .list-table tbody tr:hover { background: rgba(255,255,255,.02); }
}

/* ---- Liens ---- */
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Utilitaires ---- */
.hidden { display: none !important; }
.muted { color: var(--muted); }
.center { text-align: center; }
.right { text-align: right; }

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  header nav ul { gap: .4rem; }
}

/* ---- Accents visuels pour valeurs ---- */
.kpi .pos { color: var(--positive); }
.kpi .warn { color: var(--warning); }
.kpi .neg { color: var(--danger); }

/* ---- Petites améliorations d'accessibilité ---- */
:focus-visible { outline: 2px dashed var(--accent); outline-offset: 2px; }

/* ---- Impression (optionnel) ---- */
@media print {
  header nav, footer { display: none; }
  main#dashboard { padding: 0; }
  body { background: white; }
  .kpi, .chart-table, .list-table { box-shadow: none; }
}

.focus-grid > section {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: .75rem;
  box-shadow: var(--shadow);
  padding: 1rem;
  position: relative;
  overflow: auto;
}

.focus-grid > section h3 {
  margin: 0 0 .75rem;
  min-height: 2rem;        /* force une hauteur de titre constante */
  display: flex;
  align-items: center;
}

/* Les tables internes n'ajoutent pas une seconde carte */
.focus-grid .list-table {
  border: none;
  box-shadow: none;
  background: transparent;
  margin: 0; /* évite les débordements visuels */
}
/* Ajustement padding dans la zone focus */
.focus-grid > section .list-table {
  border-radius: .5rem;
  background: var(--card);
  margin-top: .25rem;   /* espace sous le titre */
}
.focus-grid > section {
  padding: 1rem .75rem 1rem;  /* resserrer le padding latéral */
}