:root{--navy:#1a2f4b;--blue:#3f8dde;--gold:#ffb43e;--line:#d9e2ec;--bg:#f3f6fa;--ink:#1c2b3d}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px "Segoe UI",Arial,sans-serif}
header{display:flex;align-items:center;justify-content:space-between;padding:17px 28px;background:var(--navy);color:#fff}
header strong{display:block;font-size:20px}header span{display:block;color:#cfe2f5;font-size:12px}header a{color:#fff}
main{max-width:1400px;margin:24px auto;padding:0 20px}.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.summary div,.panel,.generated{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 22px rgba(20,40,70,.06)}
.summary div{padding:18px}.summary b{display:block;font-size:26px;color:var(--blue)}.summary span{color:#6f7f91}
.panel,.generated{padding:20px;margin-bottom:18px}h1,h2{margin-top:0}h2{font-size:17px}
.generate-grid{display:grid;grid-template-columns:110px 1fr 1fr 1fr auto;gap:12px;align-items:end}label{display:grid;gap:6px;font-weight:600}
input,textarea{width:100%;padding:10px;border:1px solid #bfcbd8;border-radius:8px;font:inherit}textarea{font-family:Consolas,monospace}
button{padding:10px 15px;border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}
button.secondary{background:#e9f2fb;color:#245f99}button.danger{background:#b83a3a}.alert{padding:13px 16px;border-radius:10px;margin:0 0 18px}
.alert.success{background:#e8f8ef;color:#146b3e}.alert.error{background:#fff0f0;color:#9a2929}.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{padding:11px 9px;border-bottom:1px solid #e6ebf1;text-align:left}
th{color:#68798c;font-size:12px;text-transform:uppercase}.status{display:inline-block;padding:4px 8px;border-radius:99px;background:#edf1f5}
.status.active{background:#e4f7ed;color:#147344}.status.available{background:#e8f3ff;color:#286eaf}.status.disabled{background:#fdeaea;color:#a52d2d}
.actions{display:flex;gap:6px}.actions button{padding:7px 9px}.mono{font-family:Consolas,monospace}.notes-cell{min-width:180px;max-width:320px;white-space:normal;overflow-wrap:anywhere}
.login-page{display:grid;min-height:100vh;place-items:center}.login-card{width:min(420px,92vw);padding:32px;background:#fff;border-radius:18px;box-shadow:0 18px 60px rgba(12,30,55,.16)}
.login-card form{display:grid;gap:15px}.brand{display:grid;place-items:center;width:58px;height:58px;margin-bottom:18px;border-radius:15px;background:var(--navy);color:#fff;font-size:24px;font-weight:800}
@media(max-width:900px){.summary{grid-template-columns:repeat(2,1fr)}.generate-grid{grid-template-columns:1fr 1fr}.generate-grid button{grid-column:1/-1}}