:root{color-scheme:light;--bg:#f4f7fb;--card:#ffffff;--text:#1f2937;--muted:#6b7280;--line:#d1d5db;--accent:#0f766e;--accent-2:#134e4a}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif;background:radial-gradient(circle at top right,#e0f2fe 0,#f4f7fb 35%,#eef2ff 100%);color:var(--text)}a{color:inherit;text-decoration:none}main{max-width:1100px;margin:0 auto;padding:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 6px 18px rgba(0,0,0,.05)}.grid{display:grid;grid-gap:14px;gap:14px}button{border:0;border-radius:10px;padding:10px 14px;background:var(--accent);color:white;cursor:pointer}button.secondary{background:#475569}button.danger{background:#b91c1c}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fff}label{display:grid;grid-gap:6px;gap:6px;font-weight:600}table{width:100%;border-collapse:collapse}td,th{text-align:left;border-bottom:1px solid var(--line);padding:8px;vertical-align:top}.muted,small{color:var(--muted)}.nav{background:#0f172a;color:#f8fafc;padding:10px 16px}.nav-inner{max-width:1100px;margin:0 auto;align-items:center;justify-content:space-between}.nav-inner,.nav-links{display:flex;gap:12px}.nav-links a{padding:6px 8px;border-radius:8px}.nav-links a:hover{background:rgba(255,255,255,.14)}@media (max-width:720px){.nav-inner{flex-direction:column;align-items:stretch}.nav-links{flex-wrap:wrap}}