:root {
    --bg: #eef1f4;
    --bg-2: #f7f8fa;
    --card: #ffffff;
    --ink: #12181f;
    --muted: #5d6976;
    --line: #e3e8ee;
    --accent: #0f6e56;
    --accent-2: #0b5344;
    --accent-ink: #f4fffb;
    --copper: #9a5b2f;
    --danger: #9f2d2d;
    --low: #0f6e56;
    --low-bg: #e7f6f1;
    --moderate: #8a5a12;
    --moderate-bg: #fff4dc;
    --high: #9f2d2d;
    --high-bg: #fdecea;
    --suggestion: #f8f4ee;
    --suggestion-line: #eadcc8;
    --code: #12181f;
    --code-ink: #e8eef4;
    --shadow: 0 10px 30px rgba(18, 24, 31, 0.06);
    --sans: "Segoe UI", "Helvetica Neue", sans-serif;
    --mono: "Cascadia Mono", Consolas, ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    font: 17px/1.55 var(--sans);
    background:
        radial-gradient(900px 420px at 100% -10%, rgba(15, 110, 86, 0.08), transparent 60%),
        radial-gradient(700px 320px at -10% 0%, rgba(18, 24, 31, 0.05), transparent 55%),
        var(--bg);
}
a { color: var(--accent-2); }
a:hover { color: var(--accent); }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 0.6rem; font-weight: 720; }
h2 { font-size: 1.35rem; margin: 1.8rem 0 0.7rem; }
h3 { font-size: 1.05rem; margin: 1rem 0 0.4rem; }
p { margin: 0.55rem 0; }

.skip {
    position: absolute;
    left: 0.5rem;
    top: -3rem;
    background: var(--card);
    padding: 0.4rem 0.6rem;
    border-radius: 0.5rem;
}
.skip:focus { top: 0.5rem; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
.hp { position: absolute; left: -10000px; height: 0; overflow: hidden; }

.shell { width: min(72rem, calc(100% - 2rem)); margin-inline: auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid rgba(227, 232, 238, 0.9);
    backdrop-filter: blur(16px);
    padding: 0.85rem 0 0.95rem;
}
.bar { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center; justify-content: space-between; }
.logo {
    color: var(--ink);
    font-weight: 740;
    letter-spacing: -0.03em;
    text-decoration: none;
    display: inline-flex;
    gap: 0.55rem;
    align-items: center;
}
.mark {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 0.55rem;
    background: linear-gradient(160deg, #14866a, #0b5344);
    color: white;
    display: inline-grid;
    place-items: center;
    font-size: 0.72rem;
    box-shadow: 0 6px 14px rgba(11, 83, 68, 0.25);
}
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.nav a {
    text-decoration: none;
    color: var(--ink);
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
}
.nav a:hover { background: #e7f6f1; color: var(--accent-2); }
.search {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}
.search input {
    border-radius: 999px;
    background: #f4f7f8;
}
.search button { border-radius: 999px; }

main { padding: 1.25rem 0 3rem; }
main > .flash { width: min(46rem, calc(100% - 2rem)); margin: 0 auto 0.8rem; }
.site-footer {
    border-top: 1px solid var(--line);
    color: var(--muted);
    padding: 1.4rem 0 2rem;
}
.site-footer .shell { display: grid; gap: 0.35rem; }
.site-footer a { margin-right: 0.9rem; text-decoration: none; }

.wrap { width: min(46rem, calc(100% - 2rem)); margin: 0 auto; }
.narrow { max-width: 32rem; }
.hero { padding: 0.4rem 0 0.2rem; }
.eyebrow {
    margin: 0 0 0.45rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 720;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.lede { color: var(--muted); font-size: 1.08rem; max-width: 38rem; }
.hint, .muted, .kicker, .meta { color: var(--muted); }
.kicker { font-size: 0.86rem; margin-bottom: 0.25rem; letter-spacing: 0.01em; }
.optional { font-weight: 450; color: var(--muted); }

.flash, .stale-banner, .empty {
    border: 1px solid var(--line);
    background: var(--card);
    border-radius: 1rem;
    padding: 0.85rem 1rem;
    box-shadow: var(--shadow);
}
.flash-info { background: #eef6f3; }
.flash-success { background: var(--low-bg); }
.flash-error, .field-error { color: var(--danger); }
.stale-banner { background: var(--moderate-bg); color: var(--moderate); border-color: #efd7a4; }
.empty { background: rgba(255, 255, 255, 0.7); }

.post-card, .suggestion, .risk-panel, form.stack, .leader, .module-grid a {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 1.05rem;
    box-shadow: var(--shadow);
}
.post-card { padding: 1rem 1.05rem; margin: 0.85rem 0; }
.post-card h2 { margin: 0.1rem 0 0.45rem; font-size: 1.25rem; }
.post-card h2 a { color: var(--ink); text-decoration: none; }
.post-card h2 a:hover { color: var(--accent); }
.meta, .byline, .badge-row, .actions, .section-head, .vote-row form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.75rem;
    align-items: center;
}
.section-head { justify-content: space-between; }
.section-head h2 { margin: 0; }
.score { font-variant-numeric: tabular-nums; font-weight: 720; }

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.15rem 0.6rem;
    background: #eef2f5;
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 650;
}
.badge.founding { background: #f6e7d4; color: var(--copper); }
.badge.stale { background: var(--moderate-bg); color: var(--moderate); }
.badge.risk-low, .risk-low { background: var(--low-bg); color: var(--low); }
.badge.risk-moderate, .risk-moderate { background: var(--moderate-bg); color: var(--moderate); }
.badge.risk-high, .risk-high { background: var(--high-bg); color: var(--high); }
.risk-panel { padding: 1rem 1.05rem; margin: 1rem 0; }
.suggestion { padding: 1rem; margin: 0.85rem 0; background: var(--suggestion); border-color: var(--suggestion-line); }
.suggestion-accepted { background: var(--low-bg); border-color: #b7d8c6; }
.suggestion-rejected { background: #f6f7f8; }

.coding, textarea.mono, .mono { font-family: var(--mono); font-size: 0.92rem; }
.coding {
    background: var(--code);
    color: var(--code-ink);
    padding: 1rem;
    border-radius: 1rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0.45rem 0 0;
}

button, .btn, .btn-secondary, .btn-danger, .btn-ghost {
    font: inherit;
    border-radius: 999px;
    border: 1px solid transparent;
    padding: 0.7rem 1.05rem;
    min-height: 44px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
button, .btn {
    background: linear-gradient(180deg, #14906f, #0d6a54);
    color: var(--accent-ink);
    box-shadow: 0 8px 16px rgba(13, 106, 84, 0.18);
}
.btn-secondary, button.btn-secondary {
    background: white;
    color: var(--ink);
    border-color: var(--line);
    box-shadow: none;
}
.btn-danger, button.btn-danger { background: var(--danger); color: white; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--muted); padding-left: 0; padding-right: 0; min-height: 0; box-shadow: none; }
button.is-on { outline: 2px solid var(--accent); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.actions { margin: 0.8rem 0 1rem; }

form.stack, .filters { display: grid; gap: 0.8rem; margin: 1rem 0; }
form.stack { padding: 1.1rem; }
label { display: grid; gap: 0.35rem; font-weight: 680; }
label.check { grid-template-columns: auto 1fr; align-items: start; font-weight: 450; gap: 0.65rem; }
input, select, textarea {
    width: 100%;
    font: inherit;
    color: var(--ink);
    background: white;
    border: 1px solid #d5dde5;
    border-radius: 0.8rem;
    padding: 0.7rem 0.8rem;
    min-height: 46px;
}
textarea { min-height: 6.5rem; resize: vertical; }
.filters { grid-template-columns: 1fr; padding: 0; background: transparent; border: 0; box-shadow: none; }

.module-grid { list-style: none; padding: 0; display: grid; gap: 0.75rem; }
.module-grid a {
    display: grid;
    gap: 0.15rem;
    padding: 0.95rem 1rem;
    text-decoration: none;
    color: inherit;
}
.module-grid a:hover { border-color: #b7d8c6; }
.vehicle-list, .plain, .leader { list-style: none; padding: 0; }
.vehicle-list li, .plain li, .leader li {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    align-items: baseline;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
}
.leader { padding: 0.2rem 1rem; }
.tabs { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0.9rem 0; }
.tabs a {
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    background: white;
    border: 1px solid var(--line);
    color: var(--ink);
}
.tabs a.is-on { background: var(--ink); color: white; border-color: var(--ink); }
.pager { display: flex; gap: 0.8rem; align-items: center; margin: 1rem 0; }
.danger-zone { border-top: 1px solid var(--line); margin-top: 2rem; }
.prose p { max-width: 40rem; }
.print-only { display: none; }
.brand-accordion { display: grid; gap: 0.65rem; margin-top: 0.4rem; }
.brand {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 1.05rem;
    box-shadow: var(--shadow);
}
.brand > summary {
    list-style: none;
    cursor: pointer;
    min-height: 3.4rem;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-weight: 720;
}
.brand > summary::-webkit-details-marker { display: none; }
.brand > summary::after {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    margin-left: 0.4rem;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
    transform: rotate(45deg) translateY(-2px);
    flex: none;
}
.brand[open] > summary::after { transform: rotate(225deg) translateY(-1px); }
.brand-name { color: var(--ink); }
.brand-meta { font-weight: 450; font-size: 0.86rem; margin-left: auto; }
.model-grid {
    list-style: none;
    margin: 0;
    padding: 0 0.75rem 0.85rem;
    display: grid;
    gap: 0.5rem;
}
.model-grid a {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.6rem;
    align-items: baseline;
    text-decoration: none;
    color: inherit;
    background: var(--bg-2);
    border-radius: 0.8rem;
    padding: 0.7rem 0.8rem;
    min-height: 44px;
}
.model-grid a:hover { background: #e7f6f1; }
.model-name { font-weight: 650; color: var(--accent-2); }

@media (min-width: 720px) {
    .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; }
    .module-grid { grid-template-columns: 1fr 1fr; }
    .model-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
    .bar { flex-wrap: nowrap; }
}

@media print {
    .no-print, .site-header, .site-footer, .skip { display: none !important; }
    body { background: white; }
    .coding { background: white; color: black; border: 1px solid #ccc; }
    .print-only { display: block; }
    a { color: black; text-decoration: none; }
}