:root{--blue:#1d4f7c;--bg:#f4f6f9;--card:#fff;--line:#d9dee5;--txt:#1b2430;--mut:#5d6877;--warn:#fff4d6;--warnb:#e0b43c;--ok:#e3f4e6;--bad:#b3261e}
*{box-sizing:border-box}
body{margin:0;font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt)}
.top{background:var(--blue);color:#fff;padding:.6rem 1rem;position:sticky;top:0;z-index:5}
.top h1{margin:0;font-size:1.15rem}
nav{display:flex;gap:.25rem;overflow-x:auto;margin-top:.4rem}
nav button{background:transparent;color:#dbe8f5;border:0;padding:.45rem .75rem;border-radius:6px;font:inherit;cursor:pointer;white-space:nowrap}
nav button.on{background:#fff;color:var(--blue);font-weight:600}
main{max-width:980px;margin:0 auto;padding:1rem}
footer{max-width:980px;margin:1rem auto;padding:0 1rem 2rem;color:var(--mut);font-size:.82rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem;margin-bottom:1rem}
h2{margin:.2rem 0 .8rem;font-size:1.25rem} h3{margin:.2rem 0 .5rem;font-size:1.05rem}
label{display:block;font-size:.85rem;color:var(--mut);margin-bottom:.6rem}
input,select,textarea{width:100%;font:inherit;padding:.5rem;border:1px solid #b9c1cc;border-radius:6px;background:#fff;color:var(--txt);margin-top:.15rem}
textarea{min-height:70px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 .8rem}
button.btn,a.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:6px;padding:.55rem 1rem;font:inherit;cursor:pointer;text-decoration:none}
button.sec,a.sec{background:#e6ebf1;color:var(--txt)} button.del{background:#fff;color:var(--bad);border:1px solid var(--bad)}
.row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.muted{color:var(--mut)} .small{font-size:.85rem}
.err{color:var(--bad);margin:.5rem 0} .okmsg{color:#1e6b2e;margin:.5rem 0}
.act{border-top:1px solid var(--line);padding:.7rem 0}
.act:first-child{border-top:0}
.act .t{font-weight:600}
.tag{display:inline-block;background:#e6ebf1;border-radius:999px;padding:.05rem .6rem;font-size:.78rem;margin-right:.3rem}
.week{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.7rem .8rem;border:1px solid var(--line);border-radius:8px;margin-bottom:.5rem;background:#fff}
.week.low{background:var(--warn);border-color:var(--warnb)}
.week .n{font-size:1.4rem;font-weight:700}
.bar{height:10px;background:#e6ebf1;border-radius:6px;overflow:hidden}.bar>span{display:block;height:100%;background:var(--blue)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.7rem}
.stat{background:#eef3f8;border-radius:8px;padding:.7rem}.stat b{display:block;font-size:1.5rem}
.banner{background:var(--warn);border:1px solid var(--warnb);border-radius:8px;padding:.7rem;margin-bottom:1rem}
.due{background:var(--ok)}
table{width:100%;border-collapse:collapse}
.auth{max-width:380px;margin:2rem auto}
@media (max-width:600px){main{padding:.6rem}}
progress{width:100%;height:10px}