:root{--bg:#0b0b0f;--card:#13131a;--text:#ececf1;--muted:#9aa0a6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,sans-serif}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--card);padding:16px}.nav-link{display:block;padding:8px 12px;text-decoration:none;color:var(--muted);border-radius:8px}.nav-link.active,.nav-link:hover{background:#1d1d27;color:var(--text)}header.header{padding:16px 0}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-card{background:var(--card);padding:16px;border-radius:12px}.table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden}.table th,.table td{padding:10px 12px;border-bottom:1px solid #22222b}.btn{background:#2b63ff;color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}.auth-form{max-width:360px;margin:10vh auto;display:grid;gap:8px}.badge{padding:2px 8px;border-radius:999px;font-size:12px;background:#1d1d27}