:root { --bg:#0b0e12; --card:#141a21; --muted:#8da0b3; --text:#e9eef4; --acc:#4ea1ff; --border:#233142; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}
.btn{background:var(--card);color:var(--text);padding:8px 12px;border-radius:8px;text-decoration:none;border:1px solid var(--border)}
.btn:hover{border-color:var(--acc)}
main{padding:20px;max-width:1100px;margin:0 auto}
h1{margin:0 0 8px;font-size:22px}
.muted{color:var(--muted);font-size:14px}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:10px;background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{border-bottom:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}
thead th{background:#0f141a;position:sticky;top:0;z-index:1}
.cell{padding:8px;border:1px dashed transparent;border-radius:6px;min-height:36px}
.cell.readonly{background:rgba(255,255,255,.02);color:var(--muted)}
.cell.editable{background:rgba(78,161,255,.08);border-color:rgba(78,161,255,.35);outline:none}
.cell.editable:focus{border-color:var(--acc);box-shadow:0 0 0 2px rgba(78,161,255,.2) inset}
.legend{margin-top:12px;display:flex;gap:20px;align-items:center;font-size:14px;color:var(--muted)}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}
.dot.can-edit{background:var(--acc)}
.dot.cannot-edit{background:#4a4f57}
body.auth{display:grid;place-items:center;min-height:100dvh;padding:20px}
.card{width:100%;max-width:360px;background:var(--card);padding:20px;border-radius:12px;border:1px solid var(--border)}
.card h1{margin:0 0 16px}
.card label{display:block;margin-bottom:10px;font-size:14px;color:var(--muted)}
.card input{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);background:#0f141a;color:var(--text);margin-top:6px}
.card .alert{background:#2b1e1e;color:#ffb7b7;border:1px solid #5c2a2a;padding:8px 10px;border-radius:8px;margin-bottom:10px}
.card button{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0f141a;color:var(--text);cursor:pointer}
.card button:hover{border-color:var(--acc)}