:root { --fg: #1f2937; --bg: #fff; --muted: #6b7280; --accent: #6d28d9; --mark: #fde68a; --line: #e5e7eb; --ok: #166534; --ko: #b91c1c; }
@media (prefers-color-scheme: dark) { :root { --fg: #e5e7eb; --bg: #111827; --muted: #9ca3af; --accent: #c4b5fd; --mark: #854d0e; --line: #374151; --ok: #86efac; --ko: #fca5a5; } }
* { box-sizing: border-box; }
body { margin: 0; font: 1.05rem/1.6 system-ui, sans-serif; color: var(--fg); background: var(--bg); }
header, main, footer { max-width: 46rem; margin: 0 auto; padding: 1rem; }
header { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
nav { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
a { color: var(--accent); }
.brand { font-weight: 700; text-decoration: none; }
footer { color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); }
button { font: inherit; min-height: 44px; padding: .4rem 1rem; border: 2px solid var(--accent); border-radius: .5rem; background: transparent; color: var(--fg); cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.choice { background: var(--accent); color: var(--bg); font-weight: 700; }
.danger { border-color: #b91c1c; }
input[type=email], textarea, select { font: inherit; width: 100%; padding: .5rem; margin: .25rem 0 .75rem; border: 1px solid var(--muted); border-radius: .4rem; background: var(--bg); color: var(--fg); }
.inline { display: inline; }
.item { border: 1px solid var(--line); border-radius: .75rem; padding: 1rem; margin-bottom: 1rem; }
.sentence { font-size: 1.25rem; }
.ctx { color: var(--muted); font-size: .95rem; }
mark { background: var(--mark); color: inherit; padding: 0 .15em; border-radius: .2em; font-weight: 700; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: .5rem; margin-bottom: 1rem; }
.secondary { margin-top: .5rem; display: flex; gap: .5rem; flex-wrap: wrap; }
.check { display: block; margin: .5rem 0; }
.hint { color: var(--muted); font-size: .9rem; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { border-bottom: 1px solid var(--line); padding: .35rem .5rem; text-align: left; vertical-align: top; }
.conflict { border-top: 1px solid var(--line); padding-top: .5rem; }
.warning { border-left: 4px solid #b91c1c; padding: .5rem 1rem; background: color-mix(in srgb, #b91c1c 10%, transparent); }
.ok { color: var(--ok); border-left: 4px solid var(--ok); padding-left: .75rem; }
.ko { color: var(--ko); border-left: 4px solid var(--ko); padding-left: .75rem; }
.choice small { font-weight: 400; font-size: .8rem; opacity: .9; }
.cue { text-decoration: underline wavy var(--accent); text-underline-offset: .25em; font-weight: 700; }