:root{--bg:#fbfaf7;--fg:#1d2327;--muted:#5f6b73;--line:#e3e0d8;--card:#fff;--brand:#1f5c4a;--brand-fg:#fff;--warn:#fff4d6;--err:#fde4e1;--ok:#e1f4e8;--danger:#b3261e}
@media (prefers-color-scheme:dark){:root{--bg:#14181a;--fg:#e8ebec;--muted:#9aa5ab;--line:#2c3438;--card:#1b2124;--brand:#4fb391;--brand-fg:#06201a;--warn:#3a3217;--err:#3d1f1c;--ok:#16352a;--danger:#ff8a80}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
a{color:var(--brand)}
.top{border-bottom:1px solid var(--line);background:var(--card)}
.bar{display:flex;justify-content:space-between;align-items:center;min-height:56px;gap:12px;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--fg);font-size:1.1rem}
nav{display:flex;gap:16px;align-items:center}
nav a{text-decoration:none}
h1{font-size:1.7rem;line-height:1.25;margin:1.4rem 0 .6rem}
h2{font-size:1.2rem;margin:1.8rem 0 .6rem}
h3{font-size:1.02rem;margin:0}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.hero{padding:2rem 0 1rem}
.muted{color:var(--muted);font-weight:400}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:1.5rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.card h3{margin-bottom:.3rem}
.btn{display:inline-block;background:var(--brand);color:var(--brand-fg);border:1px solid var(--brand);border-radius:8px;padding:9px 16px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn.small{padding:5px 12px}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
button.link{background:none;border:0;padding:0;color:var(--brand);font:inherit;text-decoration:underline;cursor:pointer}
form.inline{display:inline}
.narrow{max-width:460px}
.narrow.wide{max-width:640px}
.stack{display:flex;flex-direction:column;gap:14px}
label{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:.95rem}
label.check{flex-direction:row;gap:8px;align-items:flex-start;font-weight:400}
input,select{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg);width:100%}
input[type=checkbox]{width:auto;margin-top:5px}
fieldset{border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:12px}
legend{font-weight:700;padding:0 6px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row{display:flex;gap:12px;align-items:center;margin:1rem 0;flex-wrap:wrap}
.row.between{justify-content:space-between}
.flash{border-radius:8px;padding:10px 14px;margin:1rem 0;background:var(--ok)}
.flash.err{background:var(--err)}.flash.warn{background:var(--warn)}
.flash ul{margin:0;padding-left:1.1rem}
.event{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--line);border-radius:10px;padding:12px 16px;margin:12px 0}
.event.problem{border-left-color:var(--danger)}.event.deadline{border-left-color:var(--brand)}
.event header{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.event p{margin:.5rem 0}
.where{font-size:.9rem}
.meta{display:flex;gap:6px 16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.steps{margin:.4rem 0;padding-left:1.2rem}
.tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;font-weight:700;padding:2px 8px;border-radius:99px;background:var(--line)}
.tag.problem{background:var(--err);color:var(--danger)}.tag.deadline{background:var(--ok)}
.pill{font-size:.75rem;border:1px solid var(--line);border-radius:99px;padding:1px 8px}
.list{list-style:none;padding:0}
.list li{padding:10px 0;border-bottom:1px solid var(--line)}
details.danger{margin:2rem 0;border:1px solid var(--line);border-radius:10px;padding:10px 14px}
details.danger summary{cursor:pointer;color:var(--danger);font-weight:600}
.empty{text-align:center;padding:2rem}
.foot{color:var(--muted);font-size:.82rem;padding:2rem 16px 3rem}
.prose h2{margin-top:1.4rem}
@media (max-width:520px){.two{grid-template-columns:1fr}}