:root {
  --bg: #0b0d17;
  --surface: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f1f3fb;
  --muted: #8b90a8;
  --track: rgba(255, 255, 255, 0.07);
  --down-1: #7c3aed;
  --down-2: #22d3ee;
  --up-1: #ec4899;
  --up-2: #f59e0b;
  --glow-a: rgba(124, 58, 237, 0.35);
  --glow-b: rgba(34, 211, 238, 0.22);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5fb;
    --surface: rgba(255, 255, 255, 0.75);
    --border: rgba(20, 24, 50, 0.08);
    --text: #12152a;
    --muted: #646a85;
    --track: rgba(20, 24, 50, 0.08);
    --glow-a: rgba(124, 58, 237, 0.18);
    --glow-b: rgba(34, 211, 238, 0.16);
  }
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.glow {
  position: fixed;
  inset: -20% -10% auto;
  height: 80vh;
  background:
    radial-gradient(40% 50% at 30% 40%, var(--glow-a), transparent 70%),
    radial-gradient(40% 50% at 70% 30%, var(--glow-b), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}
/* Zone de déplacement de la fenêtre dans l'app de bureau. */
.titlebar { position: fixed; inset: 0 0 auto; height: 36px; -webkit-app-region: drag; z-index: 5; }
.desktop .app { padding-top: 44px; }

.app {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; letter-spacing: -0.3px; }
.server {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  backdrop-filter: blur(12px);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 8px #22c55e; }

/* Jauge */
.stage { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.gauge-wrap { position: relative; width: min(100%, 380px); aspect-ratio: 1; }
.gauge { width: 100%; height: 100%; display: block; overflow: visible; }
.gauge path { fill: none; stroke-width: 18; stroke-linecap: round; }
.gauge .track { stroke: var(--track); }
.gauge .fill {
  stroke: url(#gDown);
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  opacity: 0; /* sinon l'extrémité arrondie laisse un point à 0 */
  transition: stroke-dashoffset 0.25s ease-out;
  filter: drop-shadow(0 0 10px rgba(124, 58, 237, 0.55));
}
.gauge.up .fill { stroke: url(#gUp); filter: drop-shadow(0 0 10px rgba(236, 72, 153, 0.55)); }
.ticks text { fill: var(--muted); font-size: 11px; text-anchor: middle; dominant-baseline: middle; font-variant-numeric: tabular-nums; }

.go {
  position: absolute;
  top: 50%; left: 50%;
  width: 40%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  color: #fff;
  font: inherit;
  font-size: clamp(32px, 9vw, 44px);
  font-weight: 800;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--down-1), var(--down-2));
  box-shadow: 0 0 0 10px rgba(124, 58, 237, 0.12), 0 20px 50px -10px rgba(124, 58, 237, 0.7);
  transition: transform 0.2s, box-shadow 0.2s;
  -webkit-app-region: no-drag;
}
.go::before {
  content: "";
  position: absolute; inset: -10px;
  border-radius: 50%;
  border: 2px solid rgba(34, 211, 238, 0.5);
  animation: pulse 2.2s ease-out infinite;
}
.go:hover { transform: translate(-50%, -50%) scale(1.05); }
.go:active { transform: translate(-50%, -50%) scale(0.97); }
@keyframes pulse { from { opacity: 0.9; transform: scale(1); } to { opacity: 0; transform: scale(1.25); } }

.readout {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none;
}
.readout[hidden] { display: none; }
.readout .phase { color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; }
.readout .value { font-size: clamp(48px, 15vw, 72px); font-weight: 800; letter-spacing: -2px; font-variant-numeric: tabular-nums; line-height: 1.1; }
.readout .unit { color: var(--muted); font-size: 15px; }

.spark { width: min(100%, 420px); height: 70px; }
.again {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-app-region: no-drag;
}
.again:hover { border-color: var(--down-2); }
.again[hidden] { display: none; }

/* Résultats */
.results { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.results .card { grid-column: span 2; min-width: 0; }
.results .card.big { grid-column: span 3; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px 16px;
  backdrop-filter: blur(12px);
}
.card header { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.card p { margin: 6px 0 0; }
.card b { font-size: 26px; font-weight: 750; font-variant-numeric: tabular-nums; letter-spacing: -0.5px; }
.card small { color: var(--muted); font-size: 12px; }
.card i {
  font-style: normal; font-weight: 700;
  width: 22px; height: 22px; border-radius: 7px;
  display: inline-grid; place-items: center; color: #fff; font-size: 13px;
}
.card.down i { background: linear-gradient(135deg, var(--down-1), var(--down-2)); }
.card.up i { background: linear-gradient(135deg, var(--up-1), var(--up-2)); }
.card.big b { font-size: 34px; }
.card small { overflow-wrap: anywhere; }

/* Historique */
.history h2 { font-size: 15px; margin: 0 0 10px; color: var(--muted); font-weight: 600; }
.history ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.history li {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 8px;
  align-items: center;
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.history li.empty { display: block; color: var(--muted); }
.history time { color: var(--muted); font-size: 13px; }
.history .d { color: var(--down-2); }
.history .u { color: var(--up-1); }
@media (max-width: 520px) {
  .history li { grid-template-columns: repeat(3, 1fr); }
  .history time { grid-column: 1 / -1; }
}

footer { text-align: center; color: var(--muted); font-size: 12px; }

/* Information RGPD et réglages de l'historique */
a { color: var(--down-2); }
.notice { margin: 4px 0 0; max-width: 420px; text-align: center; color: var(--muted); font-size: 12px; line-height: 1.5; }
.history-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.history-head h2 { margin: 0; margin-right: auto; }
.switch { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.slider {
  position: relative;
  width: 36px; height: 20px;
  border-radius: 999px;
  background: var(--track);
  border: 1px solid var(--border);
  transition: background 0.2s;
}
.slider::after {
  content: "";
  position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--text);
  transition: transform 0.2s;
}
.switch input:checked + .slider { background: linear-gradient(135deg, var(--down-1), var(--down-2)); }
.switch input:checked + .slider::after { transform: translateX(16px); background: #fff; }
.switch input:focus-visible + .slider { outline: 2px solid var(--down-2); outline-offset: 2px; }
.link { border: 0; background: none; color: var(--down-2); font: inherit; font-size: 13px; cursor: pointer; padding: 0; }
.link[hidden] { display: none; }
footer { line-height: 1.6; }

/* Page Confidentialité */
.doc { display: block; max-width: 760px; }
.doc .back { margin-bottom: 16px; }
@media (max-width: 560px) { .doc table { display: block; overflow-x: auto; } }
.doc h1 { font-size: 28px; letter-spacing: -0.5px; margin: 8px 0 0; }
.doc h2 { font-size: 18px; margin: 28px 0 8px; }
.doc p, .doc li { color: var(--text); line-height: 1.65; font-size: 15px; }
.doc .muted { color: var(--muted); }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; }
.doc th, .doc td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.doc th { color: var(--muted); font-weight: 600; }
.back { display: inline-flex; gap: 6px; text-decoration: none; font-weight: 600; }
.readout .phase { max-width: 70%; text-align: center; }