/* ============================================================
   FUITE — calculateur de coût annuel + schéma animé
   Autonome : chargé uniquement par business.html.
   Dépend de styles.css pour les tokens (--c-*, --space-*, --r-*).
   ============================================================ */

.fuite {
  --f-panel: rgba(255, 255, 255, 0.05);
  --f-stroke: rgba(255, 255, 255, 0.14);
  --f-muted: #9AA5C4;
  --f-leak: #F87171;
  --f-drop-dur: 1.8s;
}

.fuite__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: var(--space-7);
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .fuite__grid { grid-template-columns: 1fr; gap: var(--space-6); }
}

/* ---------- panneau de saisie ---------- */
.fuite__panel {
  background: var(--f-panel);
  border: 1px solid var(--f-stroke);
  border-radius: var(--r-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.fuite__legend {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0;
}
.fuite__field { display: flex; flex-direction: column; gap: var(--space-2); }
.fuite__field > label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-text-on-dark);
  line-height: 1.4;
}
.fuite__readout {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}

.fuite__field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}
.fuite__field input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 2px;
}
.fuite__field input[type="range"]::-moz-range-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 2px;
}
.fuite__field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -7.5px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 2px solid var(--c-ink);
  box-shadow: 0 0 0 1px var(--c-accent);
}
.fuite__field input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 2px solid var(--c-ink);
  box-shadow: 0 0 0 1px var(--c-accent);
}
.fuite__field input[type="range"]:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}
.fuite__hint { font-size: 0.8125rem; color: var(--f-muted); line-height: 1.5; }

/* ---------- schéma + résultats ---------- */
.fuite__stage { display: flex; flex-direction: column; gap: var(--space-5); }

.fuite__schema {
  background: var(--f-panel);
  border: 1px solid var(--f-stroke);
  border-radius: var(--r-md);
  padding: var(--space-5) var(--space-4) var(--space-4);
  overflow-x: auto;
}
.fuite__schema svg { display: block; width: 100%; min-width: 460px; height: auto; }

.f-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  fill: #9AA5C4;
}
.f-box { fill: none; stroke: #3A4874; stroke-width: 1; }
.f-box--out { stroke: var(--c-accent); }
.f-pipe { stroke: #3A4874; stroke-width: 2; fill: none; }
.f-drop { fill: var(--f-leak); }

@keyframes f-leak {
  0%   { transform: translateY(0); opacity: 0; }
  15%  { opacity: 1; }
  100% { transform: translateY(34px); opacity: 0; }
}
@keyframes f-flow {
  from { stroke-dashoffset: 44; }
  to   { stroke-dashoffset: 0; }
}
.fuite__schema .f-drop { animation: f-leak var(--f-drop-dur) ease-in infinite; }
.fuite__schema .f-drop--2 { animation-delay: calc(var(--f-drop-dur) / 3); }
.fuite__schema .f-drop--3 { animation-delay: calc(var(--f-drop-dur) / 3 * 2); }
.fuite__schema .f-dash {
  stroke-dasharray: 6 6;
  animation: f-flow 1.4s linear infinite;
}

/* état colmaté : les gouttes s'arrêtent, le bouchon apparaît */
.fuite.is-sealed .f-drop { animation: none; opacity: 0; }
.f-plug { opacity: 0; transition: opacity 0.5s ease-out; }
.fuite.is-sealed .f-plug { opacity: 1; }

/* ---------- chiffres ---------- */
.fuite__figures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 520px) { .fuite__figures { grid-template-columns: 1fr; } }

.fuite__fig {
  background: var(--f-panel);
  border: 1px solid var(--f-stroke);
  border-radius: var(--r-md);
  padding: var(--space-4);
}
.fuite__fig--gain { border-color: var(--c-accent); background: rgba(249, 115, 22, 0.1); }
.fuite__fig dt {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--f-muted);
  margin: 0 0 var(--space-2);
}
.fuite__fig dd {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 700;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  color: var(--f-leak);
}
.fuite__fig--gain dd { color: var(--c-accent); }
.fuite__fig small {
  display: block;
  margin-top: var(--space-2);
  font-size: 0.78125rem;
  font-weight: 400;
  color: var(--f-muted);
  line-height: 1.5;
}

.fuite__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}
.fuite__seal {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--c-text-on-dark);
  cursor: pointer;
  user-select: none;
}
.fuite__seal input { width: 1.05rem; height: 1.05rem; accent-color: var(--c-accent); cursor: pointer; }

.fuite__disclaimer {
  max-width: 1080px;
  margin: var(--space-6) auto 0;
  font-size: 0.8125rem;
  color: var(--f-muted);
  line-height: 1.6;
  text-align: center;
}
.fuite__disclaimer strong { color: var(--c-text-on-dark); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .fuite__schema .f-drop,
  .fuite__schema .f-dash { animation: none; }
  .fuite__schema .f-drop { opacity: 0.85; }
}