:root{--bg:#f5f7f8;--panel:#fff;--text:#14201b;--muted:#65716b;--green:#087f5b;--dark:#10251d;--red:#b42318;--line:#dfe5e2}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
header{background:var(--dark);color:white;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
header strong{font-size:20px}.layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}
nav{background:#173329;padding:22px 14px}nav a{display:block;color:#dce9e3;text-decoration:none;padding:11px 12px;border-radius:8px;margin:3px 0}nav a:hover{background:#24483b}
main{padding:28px;max-width:1400px;width:100%}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 2px 8px #0000000a}.stat{font-size:32px;font-weight:800;margin-top:8px}.muted{color:var(--muted)}
table{width:100%;border-collapse:collapse;background:white;border-radius:10px;overflow:hidden}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);font-size:14px}th{background:#edf3f0}
input,textarea,select{width:100%;padding:10px;border:1px solid #bdc9c3;border-radius:7px;margin:5px 0 12px}textarea{min-height:120px}
button,.button{background:var(--green);color:white;border:0;padding:10px 15px;border-radius:7px;text-decoration:none;cursor:pointer;display:inline-block}.danger{background:var(--red)}
.form-card{max-width:720px}.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e6f4ef;font-size:12px}
.login{max-width:440px;margin:12vh auto}.code{background:#101b17;color:#dff4e9;padding:14px;border-radius:8px;overflow:auto}
@media(max-width:800px){.layout{grid-template-columns:1fr}nav{display:flex;overflow:auto}nav a{white-space:nowrap}main{padding:16px}.row{grid-template-columns:1fr}}