:root{--bg:#faf8ff;--card:#fff;--ink:#2b2540;--muted:#6b6483;--line:#e4def0;--brand:#7b5cb8;--brand-d:#5f4399;--tint:#efe9fb;--accent:#8fcfa8;--warn:#c0392b;--ok:#2e7d4f}
@media(prefers-color-scheme:dark){:root{--bg:#171320;--card:#211b30;--ink:#ece8f6;--muted:#a79fc0;--line:#35294d;--brand:#a98ae6;--brand-d:#c2a8f5;--tint:#2b2142;--accent:#4f9b6d}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}
h1,h2,h3{line-height:1.2;margin:.2em 0 .5em}a{color:var(--brand-d)}
header.top{background:var(--brand);color:#fff;padding:.8rem 1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
header.top h1{margin:0;font-size:1.3rem}header.top nav{display:flex;gap:.25rem;flex-wrap:wrap;flex:1}
header.top button{background:transparent;color:#fff;border:0;padding:.5rem .8rem;border-radius:8px;cursor:pointer;font:inherit}
header.top button.on,header.top button:hover{background:rgba(255,255,255,.2)}
main{max-width:980px;margin:0 auto;padding:1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem;margin-bottom:1rem}
.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.grow{flex:1}.right{margin-left:auto}
.muted{color:var(--muted);font-size:.9rem}.r{text-align:right}
/* buttons: one system everywhere. Filled = the main action, outlined (.sec) = everything else, red outline = delete */
button.btn,a.btn,button.danger{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:44px;padding:.5rem 1.15rem;border-radius:10px;border:2px solid var(--brand);background:var(--brand);color:#fff;font:inherit;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,transform .05s}
button.btn:hover,a.btn:hover{background:var(--brand-d);border-color:var(--brand-d)}
button.btn:active,a.btn:active,button.danger:active{transform:translateY(1px)}
button.btn.sec,a.btn.sec,button.sec,a.sec{background:transparent;color:var(--brand-d);border-color:var(--brand)}
button.btn.sec:hover,a.btn.sec:hover,button.sec:hover,a.sec:hover{background:var(--tint);color:var(--brand-d);border-color:var(--brand)}
button.danger{background:transparent;color:var(--warn);border-color:var(--warn)}
button.danger:hover{background:color-mix(in srgb,var(--warn) 10%,transparent)}
button.btn.sm,a.btn.sm,button.sm,a.sm{min-height:36px;padding:.25rem .85rem;font-size:.9rem}
button[disabled]{opacity:.5;cursor:not-allowed}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
label{display:block;font-size:.85rem;color:var(--muted);margin:.6rem 0 .2rem}
input,select,textarea{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--bg);color:var(--ink)}
textarea{min-height:80px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 .8rem}
table{width:100%;border-collapse:collapse}th,td{padding:.55rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:.8rem;color:var(--muted);text-transform:uppercase}
.pill{display:inline-block;padding:.1rem .55rem;border-radius:99px;font-size:.78rem;background:var(--line)}
.pill.ok{background:var(--accent);color:#10301c}.pill.warn{background:#f6d9a8;color:#5a3a00}
.tasks{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.4rem}
.tasks label{display:flex;gap:.5rem;align-items:center;margin:0;padding:.6rem .75rem;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:1rem;cursor:pointer;background:var(--card);min-height:44px}
.tasks label:has(input:checked){border-color:var(--brand);background:color-mix(in srgb,var(--brand) 12%,var(--card))}
.tasks input{width:auto}
.toast{position:fixed;bottom:1rem;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:.6rem 1rem;border-radius:8px;z-index:9}
dialog{border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);max-width:640px;width:calc(100% - 2rem);padding:1.2rem}
dialog::backdrop{background:rgba(0,0,0,.4)}
.err{color:var(--warn)}.msgbox{white-space:pre-wrap;background:var(--bg);border:1px dashed var(--line);padding:.7rem;border-radius:8px}
@media(max-width:600px){th.hide,td.hide{display:none}header.top{gap:.5rem}header.top h1{flex:1 0 55%}header.top nav{order:5;flex:1 0 100%}
  main{padding:.85rem}.card{padding:.95rem}dialog{padding:1rem}
  input,select,textarea{font-size:16px}
  .tasks{grid-template-columns:1fr}
  form .row>button.btn:not(.sm),form .row>a.btn:not(.sm){flex:1 1 auto}}