:root {
  --bg: #0f172a;
  --card: #1e293b;
  --card2: #243449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --good: #4ade80;
  --warn: #facc15;
  --bad: #f87171;
  --border: #334155;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px 6px;
}
header h1 { font-size: 24px; margin: 0; }

#terminal-nav { display: flex; gap: 8px; }
#terminal-nav a {
  padding: 8px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}
#terminal-nav a.active {
  background: var(--accent);
  color: #06243a;
  border-color: var(--accent);
}
#terminal-nav a:not(.active):hover { border-color: var(--accent); color: var(--text); }

#filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 12px 24px;
  align-items: flex-end;
}
.filter { display: flex; flex-direction: column; gap: 4px; }
.filter.push-right { margin-left: auto; }
.filter label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
select, input[type="date"], button {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 14px;
}
input[type="date"] {
  color-scheme: dark;   /* calendrier natif en thème sombre, icône visible */
  cursor: pointer;
  padding: 8px 12px;
  font-size: 15px;
}
input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  font-size: 18px;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }

.seg-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.seg {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--muted);
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
.seg.on { background: var(--accent); border-color: var(--accent); color: #06243a; font-weight: 700; }
.seg:not(.on):hover { color: var(--text); border-color: var(--accent); }
.hint-line { font-size: 11px; color: var(--muted); margin-top: 5px; }
.hint-line b { color: var(--accent); }

/* ---------- calendrier permanent ---------- */
#cal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  width: fit-content;
}
#cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
#cal-title { font-weight: 700; font-size: 14px; text-transform: capitalize; }
#cal-head button { padding: 2px 12px; border-radius: 8px; font-size: 16px; }
#cal-head button:disabled { opacity: .3; cursor: default; }
.cal-dow, .cal-week { display: grid; grid-template-columns: repeat(7, 36px); }
.cal-dow span {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  padding: 2px 0;
  text-transform: uppercase;
}
.cal-week { border-radius: 8px; cursor: pointer; }
.cal-week:hover { background: var(--card2); outline: 1px solid var(--accent); }
.cal-week.sel { background: var(--accent); }
.cal-week.sel .cal-day { color: #06243a; font-weight: 700; }
.cal-week.sel .cal-day.other { color: #06243a99; }
.cal-week.sel-light { background: #38bdf833; }
.cal-day { text-align: center; padding: 5px 0; font-size: 13px; }
.cal-day.other { color: #475569; }
.cal-day.today { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; font-weight: 700; }
.cal-week.sel .cal-day.today { color: #06243a; }

#quick-buttons { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }

#filters-machines { padding: 0 24px 6px; }
#f-machines { display: flex; flex-wrap: wrap; gap: 6px; }
.machine-chip {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.machine-chip.on {
  background: var(--c, var(--accent));
  color: #06243a;
  border-color: var(--c, var(--accent));
  font-weight: 600;
}

#kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 6px 24px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}
.kpi .label { font-size: 12px; color: var(--muted); }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.kpi.main .value { font-size: 44px; }
.kpi .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.kpi.good .value { color: var(--good); }
.kpi.warn .value { color: var(--warn); }
.kpi.bad .value { color: var(--bad); }
.kpi.accent .value { color: var(--accent); }

.charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 12px 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card h2 { font-size: 14px; margin: 0 0 12px; color: var(--muted); font-weight: 600; }
.card h2 .hint { font-weight: 400; font-size: 12px; }
.card canvas { max-height: 380px; }

footer { padding: 12px 24px 24px; color: var(--muted); font-size: 12px; }

#toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--card2);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 14px;
  display: none;
  max-width: 380px;
  z-index: 10;
}

/* ---------- page d'accueil ---------- */
.landing { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.landing-main { text-align: center; }
.landing-main h1 { font-size: 32px; margin: 0 0 6px; }
.landing-sub { color: var(--muted); margin: 0 0 36px; }
.landing-choices { display: flex; gap: 24px; justify-content: center; }
.landing-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 160px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 22px;
  font-weight: 700;
  transition: border-color .15s, transform .15s;
}
.landing-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.landing-icon { font-size: 36px; }

@media (max-width: 900px) {
  #kpis { grid-template-columns: 1fr; }
  .landing-choices { flex-direction: column; align-items: center; }
}