/* Labo - feuille de style commune (hub + pages d'expériences) */

:root {
  --bg: #070a11;
  --bg-soft: #0d1220;
  --panel: #101827;
  --line: #1d2740;
  --fg: #e9eef8;
  --mut: #8b9ab5;
  --accent: #8b6cff;
  --radius: 14px;
  --shadow: 0 18px 40px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  min-height: 100vh;
  background:
    radial-gradient(1100px 700px at 12% -12%, rgba(139, 108, 255, .16), transparent 60%),
    radial-gradient(900px 600px at 92% 8%, rgba(47, 211, 196, .12), transparent 55%),
    var(--bg);
  color: var(--fg);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; }

/* ------------------------------------------------------------------ HUB */
.hub { max-width: 1240px; margin: 0 auto; padding: 40px 22px 60px; }

.hub-head { margin-bottom: 30px; }

.brand { display: flex; align-items: center; gap: 18px; margin-bottom: 26px; }

.brand-mark {
  width: 64px; height: 64px; flex: none;
  display: grid; place-items: center;
  font-size: 34px;
  border-radius: 18px;
  background: linear-gradient(140deg, #8b6cff, #2fd3c4);
  box-shadow: var(--shadow);
}

.brand h1 { font-size: 2.6rem; letter-spacing: -.02em; }
.tagline { color: var(--mut); font-size: 1.02rem; margin-top: 4px; }

.hub-tools { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

.search {
  flex: 1 1 280px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--fg);
  font-size: 1rem;
  font-family: inherit;
}
.search:focus { outline: none; border-color: var(--accent); }

.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }

.chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--mut);
  font: inherit;
  font-size: .92rem;
  cursor: pointer;
  transition: .18s;
}
.chip:hover { color: var(--fg); border-color: #33456d; }
.chip.on { color: #0a0e17; background: var(--fg); border-color: var(--fg); font-weight: 600; }

.count { color: var(--mut); font-size: .88rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--panel), #0b1120);
  transition: transform .18s, border-color .18s, box-shadow .18s;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--accent);
  opacity: .75;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow); }

.card-icon {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  font-size: 28px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
}

.card-cat { color: var(--accent); font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.card-title { font-size: 1.16rem; margin: 6px 0 8px; }
.card-desc { color: var(--mut); font-size: .92rem; line-height: 1.5; }
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }

.tag {
  font-size: .72rem;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  color: var(--mut);
}

.wip-flag {
  position: absolute; top: 14px; right: 14px;
  font-size: .68rem; padding: 3px 8px; border-radius: 999px;
  background: rgba(255, 176, 46, .18); color: #ffb02e;
}

.empty { color: var(--mut); padding: 30px 4px; }

.hub-foot { margin-top: 44px; color: var(--mut); font-size: .84rem; }
.hub-foot a { color: var(--accent); }

/* ---------------------------------------------------- PAGE D'EXPÉRIENCE */
body.exp-page { height: 100vh; overflow: hidden; }

.view { display: flex; flex-direction: column; height: 100vh; }

.view-head {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 12, 20, .72);
  backdrop-filter: blur(8px);
}

.back {
  padding: 7px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--mut);
  font-size: .88rem;
  white-space: nowrap;
  transition: .18s;
}
.back:hover { color: var(--fg); border-color: var(--accent); }

.view-title { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.view-title h2 { font-size: 1.16rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.badge {
  font-size: .7rem; padding: 4px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  white-space: nowrap;
}

.fps { color: var(--mut); font-size: .78rem; font-variant-numeric: tabular-nums; }

.view-body { flex: 1; display: grid; grid-template-columns: 1fr 330px; min-height: 0; }

.stage { position: relative; min-height: 0; background: #0a0e17; }
.stage-canvas { display: block; width: 100%; height: 100%; touch-action: none; }

.panel {
  border-left: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 20px;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 18px;
}

.panel-desc { color: var(--mut); font-size: .92rem; line-height: 1.55; }

.about { border: 1px solid var(--line); border-radius: 10px; background: rgba(255, 255, 255, .02); }
.about summary { cursor: pointer; padding: 10px 14px; font-size: .88rem; color: var(--accent); }
.about-body { padding: 0 14px 14px; color: var(--mut); font-size: .86rem; line-height: 1.6; }
.about-body b { color: var(--fg); }

.readout { display: grid; gap: 8px; }
.ro-item {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
}
.ro-k { color: var(--mut); font-size: .82rem; }
.ro-v { font-size: 1rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent); }

.ctrl-list { display: grid; gap: 15px; }
.ctrl-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; gap: 10px; }
.ctrl label { font-size: .85rem; color: var(--fg); }
.ctrl-val { font-size: .8rem; color: var(--accent); font-variant-numeric: tabular-nums; }
.ctrl-note { font-size: .8rem; color: var(--mut); line-height: 1.5; }

.ctrl input[type=range] {
  width: 100%; height: 4px; appearance: none;
  background: var(--line); border-radius: 4px; outline: none;
}
.ctrl input[type=range]::-webkit-slider-thumb {
  appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); cursor: pointer; border: 0;
}
.ctrl input[type=range]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); cursor: pointer; border: 0;
}

.ctrl select {
  width: 100%; padding: 9px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel); color: var(--fg);
  font: inherit; font-size: .88rem;
}

.ctrl-toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: .85rem; }
.ctrl-toggle input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 8px; }

.btn {
  padding: 10px 15px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #0a0e17;
  font: inherit; font-size: .86rem; font-weight: 600;
  cursor: pointer;
  transition: .18s;
}
.btn:hover { filter: brightness(1.12); }

.btn-ghost { background: transparent; border-color: var(--line); color: var(--mut); }
.btn-ghost:hover { color: var(--fg); border-color: var(--accent); filter: none; }

/* ----------------------------------------------------------- RESPONSIVE */
@media (max-width: 860px) {
  body.exp-page { overflow: auto; }
  .view { height: auto; min-height: 100vh; }
  .view-body { grid-template-columns: 1fr; }
  .stage { height: 62vh; }
  .panel { border-left: 0; border-top: 1px solid var(--line); }
  .brand h1 { font-size: 2rem; }
  .hub { padding: 26px 16px 40px; }
}