:root{--bg:#fff;--fg:#1c1c1e;--muted:#666;--accent:#1d5fd1;--line:#d8d8de;--err:#b3261e}
@media (prefers-color-scheme:dark){:root{--bg:#16171a;--fg:#ececf0;--muted:#9a9aa5;--accent:#6ea0ff;--line:#34353b;--err:#ff8a80}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,sans-serif}
main{max-width:30rem;margin:0 auto;padding:2rem 16px}
h1{font-size:1.5rem;margin:0 0 1rem}
label{display:block;margin:1rem 0 .25rem;font-weight:600}
input[type=email],input[type=text]{width:100%;padding:.6rem;font:inherit;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}
button{margin-top:1rem;padding:.65rem 1.2rem;font:inherit;font-weight:600;border:0;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}
button:disabled{opacity:.6}
.msg{margin-top:1rem}.err{color:var(--err)}.muted{color:var(--muted)}
.nav{display:flex;gap:1rem;align-items:center;padding:.75rem 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.nav .brand{font-weight:700;color:var(--fg);text-decoration:none}.grow{flex:1}
a{color:var(--accent)}
button.link{background:none;color:var(--accent);padding:0;margin:0;font-weight:400;text-decoration:underline}
button.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}
button.danger{background:var(--err)}
main.wide{max-width:52rem}
.card{border:1px solid var(--line);border-radius:8px;padding:1rem;margin:1rem 0}
.card h2,.card h3{margin:0 0 .25rem}
.shift{display:flex;gap:.6rem;align-items:center;padding:.4rem 0;border-top:1px solid var(--line)}
.shift input{width:1.2rem;height:1.2rem}.shift.full{opacity:.55}
.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1 1 9rem}
textarea,select,input[type=date],input[type=time],input[type=number]{width:100%;padding:.6rem;font:inherit;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}
.person{border-left:3px solid var(--accent);padding-left:.75rem;margin:1rem 0}
.ok{color:#1a7f37}@media (prefers-color-scheme:dark){.ok{color:#56d364}}
.tag{font-size:.8rem;padding:.1rem .5rem;border:1px solid var(--line);border-radius:99px;color:var(--muted)}
details.fold{margin:.75rem 0;padding:.4rem .75rem;border:1px dashed var(--line);border-radius:6px}details.fold>summary{cursor:pointer;color:var(--muted)}details.fold[open]>summary{margin-bottom:.5rem}
.toast{position:fixed;top:1rem;left:50%;transform:translateX(-50%);z-index:50;background:var(--accent);color:#fff;padding:.6rem 1.1rem;border-radius:8px;font-weight:600;box-shadow:0 2px 10px rgba(0,0,0,.3);max-width:90vw}.toast.bad{background:var(--err)}