:root{--bg:#0e1117;--panel:#121a28;--txt:#e6edf9;--muted:#9aa6bd;--ok:#22c55e;--bad:#ef4444;--warn:#facc15;--line:#233047;--accent:#cddcff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 20% -10%,#182238 0,transparent 60%),var(--bg);color:var(--txt);font-family:Inter,Manrope,Segoe UI,Arial,sans-serif}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#0f1624,#0c1320);border-right:1px solid var(--line);padding:20px;box-shadow:inset -1px 0 0 hsla(0,0%,100%,.02)}.sidebar h1{font-size:13px;letter-spacing:.12em;color:#d8e4ff;margin:0 0 14px}.nav a{display:block;padding:10px 12px;border-radius:10px;color:var(--muted);margin-bottom:4px}.nav a:hover{background:#172238;color:var(--txt)}.main{padding:24px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:14px;box-shadow:0 12px 28px rgba(0,0,0,.25)}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px}.kpi{font-size:28px;font-weight:700}.muted{color:var(--muted)}.btn{padding:9px 12px;border:none;border-radius:10px;cursor:pointer;font-weight:600}.ok{background:var(--ok)}.bad{background:var(--bad)}.warn{background:var(--warn);color:#111}table{width:100%;border-collapse:collapse}td,th{padding:8px;border-bottom:1px solid var(--line);text-align:left}input,select,textarea{width:100%;padding:10px;background:#0b1220;color:var(--txt);border:1px solid var(--line);border-radius:10px;outline:none}input:focus,select:focus,textarea:focus{border-color:#3c5379;box-shadow:0 0 0 2px rgba(90,120,170,.2)}body.login-only .shell{grid-template-columns:1fr}body.login-only .sidebar{display:none}body.login-only .main{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}