:root{--p:#4B0082;--g:#2E7D32;--bg:#f6f7fb;--line:#e2e4ea}*{box-sizing:border-box}body{margin:0;font-family:Arial,Tahoma,sans-serif;background:var(--bg);color:#202124}header{background:var(--p);color:white;padding:18px 28px;display:flex;gap:28px;align-items:center;justify-content:space-between}nav{display:flex;gap:12px;flex-wrap:wrap}a{color:var(--p)}header a{color:white;text-decoration:none}main{padding:26px;max-width:1500px;margin:auto}.flash{background:#fff2cc;padding:12px;margin-bottom:16px;border-radius:8px}.title{display:flex;justify-content:space-between;align-items:center}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:18px 0}.cards div{background:white;border:1px solid var(--line);border-radius:12px;padding:18px}.cards b{display:block;font-size:26px;margin-top:8px;color:var(--g)}table{width:100%;border-collapse:collapse;background:white;font-size:13px}th{background:var(--g);color:white}th,td{border:1px solid var(--line);padding:8px;text-align:right}input,select,button{padding:10px;border:1px solid #cfd3da;border-radius:7px;width:100%}button,.btn{background:var(--g);color:white;border:0;cursor:pointer;padding:10px 18px;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid label{display:flex;flex-direction:column;gap:6px}.wide{grid-column:1/-1}.login{max-width:420px;margin:80px auto;background:white;padding:28px;border-radius:14px}.login form{display:grid;gap:15px}@media(max-width:800px){.grid{grid-template-columns:1fr}header{display:block}nav{margin-top:12px}}