:root { --bg:#0b1020; --card:#121a36; --text:#e7ecff; --muted:#9fb0ff; --acc:#6ea8fe; --danger:#ff6b6b; }
*{box-sizing:border-box} body{margin:0;font-family:system-ui,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;background:var(--bg);color:var(--text)}
header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #223}
header h1{margin:0;font-size:20px}
nav a{color:var(--muted);text-decoration:none;margin-left:14px}
main{padding:20px;max-width:1100px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px}
.card{background:var(--card);border:1px solid #243255;border-radius:12px;padding:16px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
h2{margin-top:0}
table{width:100%;border-collapse:collapse;margin-top:8px}
th,td{padding:10px;border-bottom:1px solid #223}
code{background:#0a1328;padding:3px 6px;border-radius:6px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
label{display:flex;flex-direction:column;font-size:14px;color:var(--muted);gap:6px}
input,select,button{padding:10px;border-radius:10px;border:1px solid #2b3a67;background:#0a1328;color:var(--text)}
.btn{background:var(--acc);color:#000;border:none;cursor:pointer}
.btn.danger{background:var(--danger)}
.flash{background:#0a1328;border:1px solid #2b3a67;border-radius:10px;padding:10px;margin-bottom:10px}
body.login{display:grid;place-items:center;height:100vh;background:linear-gradient(180deg,#0b1020,#0a0f20)}
.login .card{width:340px}
.error{background:#2b0a0a;color:#ffdcdc;border:1px solid #4b1a1a;padding:10px;border-radius:8px;margin-bottom:10px}