/* FiveFuel — styles applicatifs, par-dessus command-center.css (charte FIVE SARL). */

* { box-sizing: border-box; }

/* ---------- Login ---------- */
.login-overlay {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center; padding: 24px;
  background: rgba(4, 16, 36, .72); backdrop-filter: blur(6px);
}
.login-card { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px; }
.login-title { font-size: 2rem; margin: 0; }
.login-title span { color: var(--gold); }
.login-sub { margin: 0 0 6px; color: var(--text-muted); font-size: .85rem; }
.fld { display: flex; flex-direction: column; gap: 6px; font-size: .72rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.fld input {
  font-family: var(--font-mono); font-size: .95rem; color: var(--text);
  background: var(--bg-deep); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 11px 12px; outline: none;
}
.fld input:focus { border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.btn-primary {
  margin-top: 4px; padding: 12px; cursor: pointer;
  font-family: var(--font-display); letter-spacing: .06em; text-transform: uppercase;
  color: #041d3d; background: linear-gradient(90deg, var(--cyan), var(--gold));
  border: 0; border-radius: var(--radius-md); box-shadow: var(--glow-cyan);
}
.login-err { color: var(--danger); font-size: .8rem; margin: 4px 0 0; }

/* ---------- Topbar ---------- */
.topbar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border-soft);
}
.brand { font-size: 1.3rem; letter-spacing: .08em; }
.brand span { color: var(--gold); }
.topbar-meta { display: flex; align-items: center; gap: 10px; }
.badge {
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px;
}
.btn-ghost {
  cursor: pointer; color: var(--text); background: transparent;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 7px 12px; font-size: .8rem;
}
.btn-ghost:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); }

/* ---------- Layout ---------- */
.layout {
  position: relative; z-index: 1;
  max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px;
  display: flex; flex-direction: column; gap: var(--space-5);
}
.block { display: flex; flex-direction: column; gap: 16px; }
.block-title {
  margin: 0; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-muted);
}
.grid-2 { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 900px) { .grid-2 { grid-template-columns: 1.2fr .8fr; } }

/* ---------- Bandeau KPI ---------- */
.kpi-band { display: grid; gap: var(--space-4); grid-template-columns: repeat(2, 1fr); }
@media (min-width: 720px) { .kpi-band { grid-template-columns: repeat(4, 1fr); } }
.kpi {
  position: relative; z-index: 1;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 16px 18px; display: flex; flex-direction: column; gap: 6px;
}
.kpi.alert { box-shadow: var(--glow-red); border-color: rgba(206,17,38,.4); }
.kpi__label { font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); }
.kpi__value { font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 2rem; line-height: 1; color: var(--text); }
.kpi__value small { font-size: .9rem; color: var(--gold); margin-left: 4px; }

/* ---------- Cuves 3D ---------- */
.tanks { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 680px) { .tanks { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); } }

.tank-card { display: flex; flex-direction: column; gap: 10px; }
.tank-head { display: flex; justify-content: space-between; align-items: baseline; }
.tank-code { font-family: var(--font-display); letter-spacing: .05em; }
.tank-type { font-size: .66rem; text-transform: uppercase; letter-spacing: .12em;
  padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-muted); }
.tank-type.gasoil  { color: var(--gold); border-color: rgba(247,212,23,.4); }
.tank-type.essence { color: #54d6ff; border-color: rgba(84,214,255,.4); }

/* Cuve horizontale « 3D holographique » */
.tank {
  --pct: 0%;
  position: relative; height: 132px; border-radius: 66px / 50%;
  border: 1px solid var(--border);
  background:
    radial-gradient(120% 80% at 30% 18%, rgba(255,255,255,.10), transparent 55%),
    linear-gradient(180deg, var(--bg-deep-2), var(--bg-deep));
  box-shadow: var(--glow-cyan), inset 0 -10px 30px rgba(0,0,0,.5);
  overflow: hidden;
}
/* Liquide */
.tank__liquid {
  position: absolute; left: 0; right: 0; bottom: 0; height: var(--pct);
  background: linear-gradient(180deg, rgba(0,102,204,.85), rgba(0,72,150,.95));
  box-shadow: 0 0 24px rgba(0,140,255,.5);
  transition: height 1.4s cubic-bezier(.4,0,.2,1);
}
.tank.gasoil .tank__liquid { background: linear-gradient(180deg, rgba(247,212,23,.7), rgba(180,140,0,.9)); }
.tank.low .tank__liquid { background: linear-gradient(180deg, rgba(206,17,38,.85), rgba(140,8,24,.95)); box-shadow: 0 0 24px rgba(206,17,38,.5); }
/* Vagues animées en surface du liquide */
.tank__liquid::before, .tank__liquid::after {
  content: ""; position: absolute; top: -8px; left: -50%; width: 200%; height: 16px;
  background: radial-gradient(closest-side, rgba(255,255,255,.25), transparent 70%);
  opacity: .5;
}
.tank__liquid::before { animation: wave 5s linear infinite; }
.tank__liquid::after  { animation: wave 7s linear infinite reverse; opacity: .3; }
@keyframes wave { from { transform: translateX(0); } to { transform: translateX(60px); } }
/* Valeur centrale */
.tank__read {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  text-shadow: 0 1px 6px rgba(0,0,0,.7);
}
.tank__pct { font-family: var(--font-mono); font-size: 1.7rem; color: var(--text); }
.tank__lit { font-size: .72rem; color: var(--text-muted); }
@media (prefers-reduced-motion: reduce) {
  .tank__liquid { transition: none; }
  .tank__liquid::before, .tank__liquid::after { animation: none; }
}

/* ---------- Carte ---------- */
.map { height: 380px; border-radius: var(--radius-md); border: 1px solid var(--border); overflow: hidden; }
.leaflet-container { background: #07203f; }

/* ---------- Liste alertes ---------- */
.alert-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px;
  max-height: 380px; overflow-y: auto; }
.alert-item {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--bg-deep); border: 1px solid var(--border-soft);
  border-left-width: 4px; border-radius: var(--radius-md); padding: 10px 12px;
}
.alert-item.critique { border-left-color: var(--danger); }
.alert-item.moderee  { border-left-color: var(--gold); }
.alert-item.legere   { border-left-color: var(--cyan); }
.alert-regle { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--text-muted); }
.alert-detail { font-size: .85rem; color: var(--text); }
.alert-sev { margin-left: auto; font-size: .62rem; text-transform: uppercase; letter-spacing: .1em;
  padding: 2px 8px; border-radius: 999px; align-self: center; }
.alert-sev.critique { color: var(--danger); border: 1px solid rgba(206,17,38,.5); }
.alert-sev.moderee  { color: var(--gold);   border: 1px solid rgba(247,212,23,.5); }
.alert-sev.legere   { color: #54d6ff;       border: 1px solid rgba(84,214,255,.5); }

.empty { color: var(--text-muted); font-size: .85rem; padding: 16px; text-align: center; }

/* ---------- Footer ---------- */
.ftr { position: relative; z-index: 1; text-align: center; color: var(--text-muted);
  font-size: .72rem; padding: 20px; }
.ftr span { font-family: var(--font-mono); }