:root { --bg:#f5f6f8; --card:#fff; --ink:#1c2430; --muted:#6b7785; --accent:#2557d6; --danger:#c0392b; --line:#e3e7ec; }
* { box-sizing:border-box; }
body { margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif; background:var(--bg); color:var(--ink); }
.hidden { display:none !important; }
.topbar { display:flex; justify-content:space-between; align-items:center; padding:14px 24px; background:#fff; border-bottom:1px solid var(--line); }
.topbar h1 { font-size:18px; margin:0; }
.user-box { display:flex; gap:12px; align-items:center; font-size:14px; color:var(--muted); }
.card-wrap { display:flex; justify-content:center; padding:60px 16px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:24px; width:100%; max-width:380px; display:flex; flex-direction:column; gap:14px; }
.card h2,.card h3 { margin:0 0 4px; }
label { display:flex; flex-direction:column; gap:6px; font-size:13px; color:var(--muted); }
input { padding:10px 12px; border:1px solid var(--line); border-radius:8px; font-size:14px; }
.btn-primary { background:var(--accent); color:#fff; border:0; padding:10px 16px; border-radius:8px; font-size:14px; cursor:pointer; }
.btn-secondary { background:#eef1f5; color:var(--ink); border:0; padding:8px 14px; border-radius:8px; cursor:pointer; }
.btn-link { background:none; border:0; color:var(--accent); cursor:pointer; font-size:13px; }
.btn-link.danger { color:var(--danger); }
.error { color:var(--danger); font-size:13px; min-height:16px; }
.muted { color:var(--muted); }
main#appView { padding:24px; max-width:960px; margin:0 auto; }
.tabs { display:flex; gap:8px; margin-bottom:20px; }
.tab { background:#fff; border:1px solid var(--line); padding:8px 16px; border-radius:8px; cursor:pointer; }
.tab.active { background:var(--accent); color:#fff; border-color:var(--accent); }
.panel-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; }
.run-controls { display:flex; gap:8px; }
.data-table { width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:12px; overflow:hidden; }
.data-table th,.data-table td { text-align:left; padding:12px 14px; border-bottom:1px solid var(--line); font-size:14px; }
.data-table th { background:#fafbfc; color:var(--muted); font-weight:600; }
.row-actions { display:flex; gap:12px; }
.modal { position:fixed; inset:0; background:rgba(20,28,40,.45); display:flex; align-items:center; justify-content:center; padding:16px; }
.modal-actions { display:flex; justify-content:flex-end; gap:10px; margin-top:8px; }