:root{--bg:#f3f4f8;--ink:#16192b;--muted:#5c6277;--line:#dcdfe9;--card:#fff;--accent:#f5b82e;--side:#14213d;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.shell{display:flex;min-height:100vh}
aside{width:210px;background:var(--side);color:#fff;padding:18px 14px;flex:none}
aside .logo{font-weight:800;color:var(--accent);margin-bottom:14px}
aside nav{display:flex;flex-direction:column;gap:2px}
aside a,aside .link{color:#dfe5f5;text-decoration:none;padding:7px 10px;border-radius:8px;text-align:left;background:none;border:0;font:inherit;cursor:pointer;width:100%}
aside a:hover,aside .link:hover{background:rgba(255,255,255,.1)}
main{flex:1;padding:24px;max-width:980px}
h1{margin:0 0 16px;font-size:1.5rem}
h2{font-size:1.1rem;margin:1.6em 0 .5em}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;display:grid;gap:14px;margin-bottom:18px}
.narrow{max-width:420px}
label{display:grid;gap:5px;font-weight:600}
label small{font-weight:400;color:var(--muted)}
label.inline{display:flex;gap:8px;align-items:center;font-weight:500}
input,textarea,select{font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);width:100%}
input[type=checkbox]{width:auto}
textarea.mono,code{font-family:ui-monospace,Consolas,monospace;font-size:13px}
.row{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
button.primary,a.primary{display:inline-block;background:var(--side);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;justify-self:start}
button.warn{background:#b3261e;color:#fff;border:0;border-radius:8px;padding:9px 16px;font:inherit;font-weight:700;cursor:pointer}
button.link{background:none;border:0;color:#2851c7;cursor:pointer;font:inherit;padding:0}
form.danger{display:flex;gap:14px;align-items:center;flex-wrap:wrap;border:1px solid #f0c4c1;background:#fff6f5;border-radius:12px;padding:12px 16px}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#eceef6;font-size:13px}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.flash.ok{background:#e8f6ee;border-color:#a8dcc0}
.flash.err{background:#fdecea;border-color:#f0b4af}
.stats{display:flex;gap:14px}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 22px}
.stats b{display:block;font-size:1.8rem}
.stats span,.muted{color:var(--muted)}
.todo{padding-left:18px}
@media (max-width:720px){.shell{flex-direction:column}aside{width:auto}aside nav{flex-direction:row;flex-wrap:wrap}}