:root {
  --bg: #f4f6fb;
  --bg-grad: radial-gradient(1200px 600px at 10% -10%, #dfe7ff 0%, transparent 60%), radial-gradient(900px 500px at 110% 10%, #e9ddff 0%, transparent 55%);
  --card: rgba(255, 255, 255, .78);
  --card-solid: #fff;
  --border: rgba(20, 30, 60, .09);
  --text: #141a2b;
  --muted: #61697f;
  --accent: #5b6cff;
  --accent-2: #9b5bff;
  --input: #fff;
  --shadow: 0 1px 2px rgba(20, 30, 60, .06), 0 8px 24px rgba(20, 30, 60, .06);
  --green: #16a34a; --orange: #ea8a0c; --red: #e11d48; --black: #111318;
  --ok: #16a34a; --ko: #e11d48;
  --radius: 18px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0e14;
    --bg-grad: radial-gradient(1000px 600px at 0% -10%, rgba(91, 108, 255, .18) 0%, transparent 60%), radial-gradient(800px 500px at 110% 0%, rgba(155, 91, 255, .14) 0%, transparent 55%);
    --card: rgba(22, 27, 38, .72);
    --card-solid: #161b26;
    --border: rgba(255, 255, 255, .08);
    --text: #e8ebf3;
    --muted: #8d95aa;
    --input: #0f131c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .25);
    --green: #22c55e; --orange: #f59e0b; --red: #f43f5e; --black: #000;
    --ok: #4ade80; --ko: #fb7185;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100dvh; display: flex; flex-direction: column;
  font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text); background: var(--bg-grad), var(--bg); background-attachment: fixed;
  -webkit-tap-highlight-color: transparent;
}
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 1.6rem; margin: 0; letter-spacing: -.02em; }
h2 { font-size: 1.05rem; margin: 0 0 .8rem; letter-spacing: -.01em; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.err-text { color: var(--ko); }
b { font-weight: 700; }

/* ---------- barre du haut ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 1rem;
  padding: calc(.7rem + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) .7rem max(16px, env(safe-area-inset-left));
  backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px);
  background: color-mix(in srgb, var(--bg) 70%, transparent); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .55rem; color: var(--text); font-size: 1.15rem; letter-spacing: -.02em; }
.brand b, h1 b { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tabs { display: flex; gap: .25rem; margin: 0 auto; }
.tabs a { color: var(--muted); padding: .45rem .9rem; border-radius: 999px; font-weight: 500; transition: background .15s, color .15s; }
.tabs a:hover { color: var(--text); }
.tabs a[aria-current] { color: var(--text); background: var(--card); box-shadow: var(--shadow); }
.logout { margin-left: auto; }
.icon-btn { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--muted); cursor: pointer; }
.icon-btn:hover { color: var(--text); }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 1.4rem 16px 2rem; flex: 1; }
.footer { text-align: center; color: var(--muted); font-size: .78rem; padding: 1rem 16px calc(1rem + env(safe-area-inset-bottom)); }
.ver { font-variant-numeric: tabular-nums; padding: .1rem .5rem; border-radius: 999px; border: 1px solid var(--border); margin-left: .3rem; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.page-head p { margin: .2rem 0 0; }

/* ---------- cartes ---------- */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem;
  box-shadow: var(--shadow); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); margin-bottom: 1rem;
}
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.grid .card { margin: 0; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; align-items: start; }
.two-col .card { margin: 0; }
.two-col + .card { margin-top: 1rem; }

/* carte indexer : la couleur du ratio pilote le liseré, le badge et la courbe */
.ix { --c: var(--muted); position: relative; overflow: hidden; display: flex; flex-direction: column; gap: .9rem; }
.ix::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--c); }
.ix.green { --c: var(--green); } .ix.orange { --c: var(--orange); } .ix.red { --c: var(--red); } .ix.black { --c: var(--black); }
.ix.disabled { opacity: .55; }
.ix-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.ix-head h2 { margin: 0; font-size: 1.15rem; }
.ix-main { display: flex; align-items: center; gap: 1.1rem; }
.ratio-wrap { --size: 96px; position: relative; flex: none; width: var(--size); height: var(--size); }
/* couche d'éclairs : viewBox 150 pour un cercle de rayon 48 => 150/96 de la taille du badge */
.bolts { position: absolute; width: 156.25%; height: 156.25%; left: -28.125%; top: -28.125%; overflow: visible; pointer-events: none; color: var(--glow); }
.bolts .halo { stroke: currentColor; } .bolts .hot { stroke: #fff; }
.bolts path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.ratio-badge {
  --glow: var(--c); position: relative; width: 100%; height: 100%; border-radius: 50%; display: grid; place-content: center; text-align: center;
  background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--c) 28%, var(--card-solid)), var(--card-solid) 72%);
  border: 2px solid var(--c); animation: ratio-pulse 3s ease-in-out infinite;
}
.ix { --glow: var(--c); }
.ix.black { --glow: #a78bfa; }
.ix.black .ratio-badge { background: radial-gradient(circle at 50% 45%, #1a1530, #000 70%); color: #fff; border-color: #3a3f4b; }
.ratio-val { text-shadow: 0 0 8px var(--glow); }
@keyframes ratio-pulse {
  0%, 100% { box-shadow: 0 0 0 2px color-mix(in srgb, var(--glow) 15%, transparent), 0 0 14px color-mix(in srgb, var(--glow) 40%, transparent), inset 0 0 12px color-mix(in srgb, var(--glow) 30%, transparent); }
  50% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--glow) 10%, transparent), 0 0 26px color-mix(in srgb, var(--glow) 65%, transparent), inset 0 0 20px color-mix(in srgb, var(--glow) 50%, transparent); }
}
@media (prefers-reduced-motion: reduce) { .ratio-badge { animation: none; } .bolts { display: none; } }
.ratio-val { font-size: 1.7rem; font-weight: 800; line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.ratio-lbl { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; opacity: .7; margin-top: .25rem; }
.stats { margin: 0; display: grid; gap: .35rem; flex: 1; min-width: 0; }
.stats div { display: flex; justify-content: space-between; gap: .5rem; }
.stats dt { color: var(--muted); }
.stats dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.arrow { display: inline-block; width: 1.1em; font-weight: 800; }
.up-a { color: var(--green); } .down-a { color: var(--red); }
.spark { width: 100%; height: 36px; }
.spark polyline { fill: none; stroke: var(--c); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.ix.black .spark polyline { stroke: var(--muted); }
.ix-foot { display: flex; flex-wrap: wrap; gap: .4rem; }
.blocked { margin: 0; padding: .55rem .75rem; border-radius: 12px; font-weight: 600; color: var(--ko);
  background: color-mix(in srgb, var(--ko) 12%, transparent); border: 1px solid color-mix(in srgb, var(--ko) 30%, transparent); }

/* ---------- pastilles ---------- */
.pill { display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; font-weight: 600; padding: .25rem .65rem; border-radius: 999px; border: 1px solid var(--border); white-space: nowrap; }
.pill i, .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex: none; }
.pill.up { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.pill.up i { animation: pulse 2s ease-out infinite; }
.pill.down { color: var(--ko); background: color-mix(in srgb, var(--ko) 12%, transparent); }
.pill.wait { color: var(--muted); }
.dot.up { background: var(--ok); } .dot.down { background: var(--ko); } .dot.wait { background: var(--muted); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); } 100% { box-shadow: 0 0 0 7px transparent; } }
@media (prefers-reduced-motion: reduce) { .pill.up i { animation: none; } }

.chip { display: inline-flex; align-items: center; font-size: .75rem; font-weight: 600; padding: .2rem .6rem; border-radius: 999px; color: #fff; white-space: nowrap; }
.chip.green { background: var(--green); } .chip.orange { background: var(--orange); } .chip.red { background: var(--red); }
.chip.black { background: #000; border: 1px solid #3a3f4b; }
.chip.ghost { color: var(--muted); border: 1px solid var(--border); background: transparent; font-weight: 500; }
.legend { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; margin-top: .5rem; }

/* ---------- téléchargements ---------- */
.section-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .6rem; }
.section-head h2 { margin: 0; }
.dl-list { list-style: none; margin: 0 0 .8rem; padding: 0; }
.dl { padding: .75rem 0; border-bottom: 1px solid var(--border); }
.dl:last-child { border: 0; }
.dl-top { display: flex; justify-content: space-between; gap: .8rem; }
.dl-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.dl-size { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.dl-meta { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin-top: .3rem; }
.progress { height: 5px; background: var(--border); border-radius: 99px; margin-top: .45rem; overflow: hidden; }
.progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.skeleton { height: 54px; border-radius: 12px; margin-bottom: .6rem; background: linear-gradient(90deg, var(--border), transparent, var(--border)); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- formulaires ---------- */
.stack { display: flex; flex-direction: column; gap: .9rem; }
label { display: flex; flex-direction: column; gap: .35rem; font-weight: 500; font-size: .9rem; }
input:not([type=checkbox]), textarea, select {
  font: inherit; font-size: 16px; /* évite le zoom auto sur mobile */
  color: var(--text); background: var(--input); border: 1px solid var(--border); border-radius: 12px; padding: .7rem .85rem; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent); }
.otp { letter-spacing: .4em; text-align: center; font-size: 1.3rem !important; font-variant-numeric: tabular-nums; }
.hint { color: var(--muted); font-weight: 400; font-size: .78rem; }
details.advanced summary, details.secret summary, details.help summary { cursor: pointer; color: var(--muted); font-size: .88rem; }
details.advanced[open] { display: flex; flex-direction: column; gap: .9rem; }
.switch { flex-direction: row; align-items: center; gap: .7rem; cursor: pointer; }
.switch input { position: absolute; opacity: 0; }
.switch span { width: 44px; height: 26px; border-radius: 99px; background: var(--border); position: relative; transition: background .2s; }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .2s; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(18px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.row { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.row.tight { gap: .35rem; flex-wrap: nowrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-height: 44px; padding: .6rem 1.1rem;
  font: inherit; font-weight: 600; border-radius: 12px; border: 1px solid var(--border); background: var(--card-solid); color: var(--text);
  cursor: pointer; transition: transform .1s, box-shadow .15s, opacity .15s;
}
.btn:hover { box-shadow: var(--shadow); }
.btn:active { transform: scale(.97); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border: 0; box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--ko); background: transparent; }
.btn.small { min-height: 36px; padding: .35rem .7rem; font-size: .85rem; }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .6; pointer-events: none; }
.sticky-save { grid-column: 1 / -1; }
.sessions { margin-top: 1rem; }

/* ---------- liste indexers ---------- */
.ix-list { list-style: none; margin: 0; padding: 0; }
.ix-list li { display: flex; align-items: center; gap: .8rem; padding: .8rem 0; border-bottom: 1px solid var(--border); }
.ix-list li:last-child { border: 0; }
.ix-li-main { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.ix-li-main .muted { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.test-result.ok { color: var(--ok); } .test-result.err { color: var(--ko); }
.suggest-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .7rem; }
.suggest { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; padding: .9rem; border-radius: 14px; border: 1px dashed var(--border); color: var(--text); transition: border-color .15s, background .15s; }
.suggest:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.suggest .muted { flex-basis: 100%; }

/* ---------- dialogue « modifications non enregistrées » ---------- */
.modal { width: min(92vw, 500px); padding: 1.4rem; border-radius: 20px; border: 1px solid var(--border); background: var(--card-solid); color: var(--text); box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(5, 8, 14, .55); backdrop-filter: blur(4px); }
.modal[open] { animation: drop .2s ease-out; }
.modal h2 { margin-bottom: .4rem; }
.modal p { margin: 0 0 1.2rem; }
.modal-actions { justify-content: flex-end; flex-wrap: nowrap; }
@media (max-width: 480px) { .modal-actions { flex-direction: column-reverse; align-items: stretch; } }

/* ---------- toast ---------- */
.toast { padding: .8rem 1rem; border-radius: 14px; margin-bottom: 1rem; font-weight: 500; animation: drop .25s ease-out; }
.toast.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.toast.err { background: color-mix(in srgb, var(--ko) 14%, transparent); color: var(--ko); border: 1px solid color-mix(in srgb, var(--ko) 30%, transparent); }
@keyframes drop { from { opacity: 0; transform: translateY(-6px); } }

.empty { text-align: center; padding: 2.5rem 1.2rem; }

/* ---------- pages d'authentification ---------- */
body.auth .wrap { display: grid; place-items: center; }
.auth-card { width: 100%; max-width: 400px; text-align: center; background: var(--card); border: 1px solid var(--border); border-radius: 24px; padding: 2rem 1.5rem; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.auth-card form { text-align: left; margin-top: 1.2rem; }
.auth-logo { margin-bottom: .6rem; }
.qr { background: #fff; border-radius: 16px; padding: .6rem; width: 220px; margin: 1rem auto .5rem; }
.qr svg { display: block; width: 100%; height: auto; }
.secret code { display: block; word-break: break-all; margin-top: .4rem; font-size: .85rem; }
.steps { display: flex; justify-content: center; gap: .5rem; list-style: none; padding: 0; margin: .8rem 0; counter-reset: s; }
.steps li { counter-increment: s; color: var(--muted); font-size: .85rem; display: flex; align-items: center; gap: .35rem; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--border); font-size: .75rem; }
.steps li.current { color: var(--text); font-weight: 600; }
.steps li.current::before { background: var(--accent); color: #fff; border-color: transparent; }
.steps li.done::before { content: "✓"; background: var(--ok); color: #fff; border-color: transparent; }

/* ---------- mobile ---------- */
.bottomnav { display: none; }
@media (max-width: 720px) {
  .tabs { display: none; }
  h1 { font-size: 1.35rem; }
  .bottomnav {
    display: flex; position: sticky; bottom: 0; z-index: 10; justify-content: space-around;
    padding: .4rem 8px calc(.4rem + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-top: 1px solid var(--border);
  }
  .bottomnav a { display: flex; flex-direction: column; align-items: center; gap: .15rem; min-width: 72px; padding: .35rem; font-size: .72rem; font-weight: 600; color: var(--muted); border-radius: 12px; }
  .bottomnav svg { width: 24px; height: 24px; }
  .bottomnav a[aria-current] { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
  .footer { padding-bottom: 1rem; }
  .grid, .two-col { grid-template-columns: 1fr; }
  .ratio-wrap { --size: 84px; }
  .ratio-val { font-size: 1.45rem; }
  .sticky-save { position: sticky; bottom: calc(76px + env(safe-area-inset-bottom)); }
  .ix-list li { flex-wrap: wrap; }
  .ix-list .row.tight { width: 100%; justify-content: flex-end; }
}

details.help ol { margin: .5rem 0; padding-left: 1.2rem; display: grid; gap: .3rem; }
[hidden] { display: none !important; }