:root{--bg:#070b12;--p:#101824;--p2:#131e2d;--line:#24364f;--txt:#eef6ff;--mut:#8ea4bd;--blue:#20a7ff;--cyan:#00e5ff;--green:#39e58c}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top right,#102039,#070b12 35%);color:var(--txt);font-family:Segoe UI,Arial,sans-serif}.app{display:flex;min-height:100vh}.sidebar{width:245px;background:#09111c;border-right:1px solid var(--line);padding:22px 16px;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{font-weight:800;margin-bottom:20px}.brand span{display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--cyan);box-shadow:0 0 15px var(--cyan);margin-right:8px}nav a{display:block;color:#cbd9e8;text-decoration:none;padding:9px 12px;border-radius:8px}nav a:hover{background:#122136}nav b{display:block;font-size:10px;color:#5c7897;margin:17px 12px 5px;letter-spacing:1px}.content{margin-left:245px;padding:24px;width:calc(100% - 245px)}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.topbar h1{margin:0}.topbar small{color:var(--mut)}.topbar em{font-style:normal;color:var(--green);padding:8px 12px;background:#0d2218;border:1px solid #1c5a3a;border-radius:999px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{background:linear-gradient(180deg,var(--p2),var(--p));border:1px solid var(--line);border-radius:14px;padding:16px}.metric{font-size:28px;font-weight:800;margin-top:8px}.muted{color:var(--mut)}.section{margin-top:18px}table{width:100%;border-collapse:collapse;background:var(--p);border:1px solid var(--line)}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left}th{font-size:12px;color:#9bc5ed}input,select{width:100%;padding:11px;border-radius:9px;border:1px solid #28405e;background:#09131f;color:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn{border:0;border-radius:9px;padding:10px 14px;background:linear-gradient(90deg,var(--blue),var(--cyan));font-weight:800;cursor:pointer}.btn.secondary{background:#17263a;color:#e8f2ff;border:1px solid #2a4160}.btn.danger{background:#3b1521;color:#ffd1d8}.alert,.urlbox{margin-top:12px;padding:12px;border-radius:9px;background:#0b1724;border:1px solid #284c77}.urlbox{font-family:Consolas,monospace;word-break:break-all;color:#8fe9ff}
@media(max-width:900px){.sidebar{position:static;width:100%}.app{display:block}.content{margin:0;width:100%}.grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}}