/* Ma paire idéale : CSS sans dépendance, clair/sombre automatique, mobile d'abord. */

:root {
    color-scheme: light dark;
    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-2: #f0f2f6;
    --ink: #0f172a;
    --muted: #566074;
    --line: #dfe4ec;
    --accent: #d9400b;
    --accent-ink: #ffffff;
    --accent-soft: #fff0e8;
    --ok: #0e7a4b;
    --warn: #8a5200;
    --warn-bg: #fff5dc;
    --danger: #b42318;
    --danger-bg: #fdecea;
    --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 10px 28px rgba(15, 23, 42, .07);
    --radius: 16px;
    --gutter: 16px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1220;
        --surface: #121b2e;
        --surface-2: #19243b;
        --ink: #eef2f8;
        --muted: #9eaabf;
        --line: #26324c;
        --accent: #ff6a2c;
        --accent-ink: #1a0b03;
        --accent-soft: #2b1a12;
        --ok: #4ade98;
        --warn: #fbbf4a;
        --warn-bg: #2d2412;
        --danger: #ff8a7a;
        --danger-bg: #331a17;
        --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35);
    }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.25rem, 3vw, 1.6rem); font-weight: 750; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.skip {
    position: absolute; left: var(--gutter); top: -4rem; z-index: 10;
    background: var(--ink); color: var(--bg); padding: .5rem .9rem; border-radius: 8px;
}
.skip:focus { top: .5rem; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 720px; }
.center { text-align: center; }

/* En-tête */
.site-header { border-bottom: 1px solid var(--line); background: var(--surface); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: -.02em; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; font-size: .95rem; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

/* Héros */
.hero { padding: clamp(2rem, 6vw, 4rem) 0 clamp(4.5rem, 9vw, 6rem); background:
    radial-gradient(1200px 400px at 85% -10%, var(--accent-soft), transparent 60%), var(--bg); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--accent); margin-bottom: .8rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40rem; }

/* Formulaire */
.form-card {
    background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px);
    box-shadow: var(--shadow); padding: clamp(1.1rem, 4vw, 2rem); margin: -3.5rem 0 3rem; position: relative;
}
.field { margin: 0 0 1.5rem; padding: 0; border: 0; min-width: 0; }
.field > label, .field > legend { display: block; font-weight: 700; margin-bottom: .55rem; padding: 0; }
.hint { color: var(--muted); font-size: .88rem; margin: .35rem 0 0; }
.optional { color: var(--muted); font-weight: 500; }
.error { color: var(--danger); background: var(--danger-bg); border-radius: 8px; padding: .45rem .7rem; font-size: .92rem; margin: .5rem 0 0; }

.unit-input { display: flex; align-items: stretch; max-width: 14rem; }
.unit-input input { border-radius: 10px 0 0 10px; border-right: 0; flex: 1; min-width: 0; }
.unit-input span { display: grid; place-items: center; padding: 0 .9rem; background: var(--surface-2); border: 1px solid var(--line); border-radius: 0 10px 10px 0; color: var(--muted); font-weight: 600; }

input[type="number"], input[type="search"], select {
    width: 100%; font: inherit; color: var(--ink); background: var(--bg);
    border: 1px solid var(--line); border-radius: 10px; padding: .7rem .85rem; min-height: 48px;
}
input[type="number"]:focus-visible, input[type="search"]:focus-visible, select:focus-visible { border-color: var(--accent); }

.options { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); }
.opt { position: relative; display: block; cursor: pointer; }
.opt input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.opt-body {
    display: block; height: 100%; padding: .8rem .95rem; border: 1.5px solid var(--line); border-radius: 12px;
    background: var(--bg); transition: border-color .15s, background .15s, box-shadow .15s;
}
.opt-body strong { display: block; }
.opt-body small { display: block; color: var(--muted); font-size: .85rem; line-height: 1.35; margin-top: .15rem; }
.opt:hover .opt-body { border-color: var(--muted); }
.opt input:checked + .opt-body { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent) inset; }
.opt input:focus-visible + .opt-body { outline: 3px solid var(--accent); outline-offset: 2px; }

.advanced { border: 1px dashed var(--line); border-radius: 12px; padding: .2rem 1rem; margin-bottom: 1.5rem; }
.advanced summary { cursor: pointer; font-weight: 700; padding: .8rem 0; }
.advanced .grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); padding-bottom: 1rem; }
.check { display: flex; align-items: center; gap: .6rem; min-height: 48px; font-weight: 600; }
.check input { width: 1.2rem; height: 1.2rem; accent-color: var(--accent); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem; cursor: pointer;
    font: inherit; font-weight: 750; text-decoration: none; min-height: 52px; padding: .8rem 1.6rem;
    border-radius: 12px; border: 1.5px solid var(--accent); background: var(--accent); color: var(--accent-ink);
}
.btn:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-small { min-height: 40px; padding: .4rem .9rem; font-size: .9rem; border-radius: 10px; }
.btn-block { width: 100%; }
@media (min-width: 640px) { .btn-block { width: auto; } }

/* Sections d'accueil */
.steps { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); margin: 0 0 3rem; padding: 0; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 800; margin-bottom: .6rem; }
.steps strong { display: block; margin-bottom: .2rem; }
.steps span { color: var(--muted); font-size: .95rem; }

/* Résultats */
.results-head { padding: 2rem 0 1rem; }
.chips { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; padding: 0; margin: 0 0 1rem; }
.chips li { background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: .25rem .8rem; font-size: .9rem; font-weight: 600; }
.note { background: var(--warn-bg); color: var(--warn); border-radius: 12px; padding: .8rem 1rem; margin: 0 0 1.2rem; font-size: .95rem; }
.empty { background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); padding: 2rem; text-align: center; }

.cards { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; gap: 1rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.shoe { display: grid; gap: 1rem 1.2rem; padding: 1.2rem; grid-template-columns: auto 1fr; grid-template-areas: "rank score" "main main"; align-items: center; }
.shoe-rank { grid-area: rank; font-size: 2.6rem; font-weight: 800; letter-spacing: -.04em; color: var(--accent); line-height: 1; }
.shoe-main { grid-area: main; min-width: 0; }
.shoe-main h2 { margin-bottom: .5rem; overflow-wrap: anywhere; }
@media (min-width: 720px) {
    .shoe { grid-template-columns: 4rem 1fr auto; grid-template-areas: "rank main score"; align-items: start; padding: 1.4rem 1.6rem; }
    .shoe-rank { font-size: 3.4rem; }
}

.score {
    --p: 0; grid-area: score; justify-self: end; position: relative; width: 5.2rem; height: 5.2rem; border-radius: 50%;
    display: grid; place-content: center; text-align: center;
    background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--line) 0);
}
.score::before { content: ""; position: absolute; inset: .45rem; border-radius: 50%; background: var(--surface); }
.score span, .score small { position: relative; line-height: 1; }
.score span { font-size: 1.6rem; font-weight: 800; }
.score small { color: var(--muted); font-size: .72rem; margin-top: .15rem; }

.badges { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 .8rem; }
.badge { background: var(--surface-2); border-radius: 8px; padding: .15rem .55rem; font-size: .8rem; font-weight: 650; }
.badge-quiet { color: var(--muted); font-weight: 500; }

.reasons { list-style: none; padding: 0; margin: 0 0 .8rem; display: grid; gap: .3rem; }
.reasons li { padding-left: 1.5rem; position: relative; }
.reasons li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.caution { color: var(--warn); background: var(--warn-bg); border-radius: 8px; padding: .4rem .7rem; font-size: .92rem; margin: 0 0 .5rem; }

.specs { display: grid; gap: .6rem 1rem; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); margin: 1rem 0; padding: .9rem 1rem; background: var(--surface-2); border-radius: 12px; }
.specs div { min-width: 0; }
.specs dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 650; }
.specs dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }

.why { margin: 0 0 .8rem; }
.why summary { cursor: pointer; color: var(--muted); font-size: .92rem; font-weight: 600; }
.bars { list-style: none; padding: 0; margin: .7rem 0 0; display: grid; gap: .5rem; }
.bars li { display: grid; grid-template-columns: minmax(7rem, 11rem) 1fr 3rem; gap: .7rem; align-items: center; font-size: .9rem; }
.bar { height: .55rem; border-radius: 999px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.bars b { text-align: right; font-variant-numeric: tabular-nums; }

.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 0 0 3rem; }
.link { font-weight: 650; font-size: .95rem; }

/* Pages de texte */
.prose { padding: 2.5rem 0 3rem; }
.prose h2 { margin-top: 2rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }

/* Administration */
.tiles { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); margin: 0 0 1.5rem; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.tile b { display: block; font-size: 2rem; letter-spacing: -.03em; line-height: 1.1; }
.tile span { color: var(--muted); font-size: .88rem; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem; margin: 0 0 1.5rem; }
.flash { border-radius: 12px; padding: .8rem 1rem; margin: 1rem 0; font-weight: 600; }
.flash-success { background: color-mix(in srgb, var(--ok) 14%, var(--surface)); color: var(--ok); }
.flash-error { background: var(--danger-bg); color: var(--danger); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin: 0 0 1rem; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; align-items: end; }
.filters > * { flex: 1 1 12rem; }
.filters .btn { flex: 0 0 auto; }
.inline-form { display: inline; }
.tag { display: inline-block; border-radius: 6px; padding: .1rem .5rem; font-size: .78rem; font-weight: 700; background: var(--surface-2); }
.tag-off { background: var(--warn-bg); color: var(--warn); }
.pager { display: flex; gap: .6rem; align-items: center; margin: 0 0 2rem; }

/* Pied de page */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: .88rem; padding: 1.5rem 0 2rem; margin-top: 2rem; }
.site-footer p { margin: 0 0 .5rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

@media print {
    .site-header, .site-footer, .actions, .form-card { display: none; }
    body { background: #fff; color: #000; }
    .card { box-shadow: none; break-inside: avoid; }
}