*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;background:#f6f7f9;color:#222}
a{color:#0b5cd6;text-decoration:none}a.btn{display:inline-block;padding:.5rem .75rem;border:1px solid #ccd;border-radius:6px;background:#fff}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:.5rem 1rem;background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:10}
.topbar .brand a{font-weight:700}
.container{max-width:1100px;margin:1rem auto;padding:0 1rem}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:1rem;margin-bottom:1rem;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
label{display:block;margin:.5rem 0 .25rem;font-weight:600}
input,select,textarea{width:100%;padding:.6rem;border:1px solid #cfd4d9;border-radius:8px;background:#fbfbfc}
button{padding:.6rem .9rem;border:1px solid #cfd4d9;border-radius:8px;background:#0b5cd6;color:#fff;font-weight:600;cursor:pointer}
button:hover{opacity:.95}.btn.danger{border-color:#f3b1b1;color:#a00}
.flash{background:#ecf3ff;border:1px solid #cfe0ff;padding:.5rem 1rem;border-radius:8px;margin-bottom:1rem}
.error{background:#ffecec;border:1px solid #ffcece;color:#900;padding:.5rem 1rem;border-radius:8px;margin-top:1rem}
.muted{color:#666}
.calendar{width:100%;border-collapse:collapse}
.calendar th,.calendar td{border:1px solid #e5e7eb;vertical-align:top;padding:.25rem;min-height:80px}
.calendar.big td{min-height:110px}
.calendar .daynum{font-weight:700;font-size:.9rem;margin-bottom:.25rem}
.calendar .ev{background:#f0f7ff;border:1px dashed #d0e2ff;border-radius:6px;padding:.1rem .25rem;margin-bottom:.2rem;font-size:.85rem}
.calendar .empty{background:#fafbfc}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid #eee;padding:.5rem;text-align:left}
.table .num{text-align:right}
.footer{padding:2rem 1rem;text-align:center;color:#777}
.nav{display:flex;gap:.5rem;align-items:center;margin-bottom:.5rem}