:root{--bg:#f4f5f7;--fg:#1c2330;--card:#fff;--muted:#6b7280;--accent:#2563eb;--border:#d9dde3;--danger:#c62828}
:root[data-theme=dark]{--bg:#12161c;--fg:#e6e9ef;--card:#1c222b;--muted:#9aa4b2;--accent:#5b9bff;--border:#2d3542;--danger:#ef5350}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,Segoe UI,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--accent)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:.6rem 1.2rem;background:var(--card);border-bottom:1px solid var(--border)}
.topbar nav{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
main{padding:1.2rem}
.card,.column,.card-item{background:var(--card);border:1px solid var(--border);border-radius:8px}
.card{padding:1.2rem;margin-bottom:1rem;max-width:900px}
.card.narrow{max-width:420px;margin:4rem auto}
label{display:block;margin:.6rem 0;font-weight:600}
input,textarea,select{width:100%;padding:.5rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--fg);font:inherit;margin-top:.25rem}
.row{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1 1 200px}
.btn{display:inline-block;padding:.5rem 1rem;border:0;border-radius:6px;background:var(--accent);color:#fff;font:inherit;cursor:pointer;text-decoration:none;margin-top:.5rem}
.btn.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn.danger{background:var(--danger)}
button.link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0}
button.link.danger{color:var(--danger)}
form.inline{display:inline}
.board{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1rem;align-items:start}
.column{padding:.8rem;background:var(--bg)}
.column h2{font-size:1rem;margin:0 0 .6rem}
.count{color:var(--muted);font-weight:400}
.card-item{padding:.7rem;margin-bottom:.6rem}
.card-item .title{font-weight:600;text-decoration:none}
.meta{color:var(--muted);font-size:.85rem}
.flash{padding:.7rem 1rem;border-radius:6px;margin-bottom:1rem;border:1px solid var(--border);background:var(--card)}
.flash.error{border-color:var(--danger)}.flash.success{border-color:#2e7d32}
.banner-red{background:var(--danger);color:#fff;padding:.5rem 1.2rem;text-align:center}.banner-red a{color:#fff}
.tasks{list-style:none;padding:0}.tasks li{display:flex;gap:.6rem;align-items:center;padding:.3rem 0}.tasks li.done span{text-decoration:line-through;color:var(--muted)}
.facts{display:grid;grid-template-columns:max-content 1fr;gap:.3rem 1rem}.facts dt{font-weight:600}.facts dd{margin:0}
body.wall main{padding:1.5rem}body.wall .card-item .title{font-size:1.15rem}body.wall .column h2{font-size:1.3rem}
@media(max-width:1000px){.board{grid-template-columns:1fr}}