:root { --bg:#f5f5f7; --card:#fff; --border:#e5e5ea; --text:#1a1a1a; --sub:#6e6e73;
  --accent:#34c759; --warn:#ff9500; --blue:#007aff; --danger:#ff3b30; --purple:#af52de; }
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, "PingFang SC", Helvetica, Arial, sans-serif; background:var(--bg); color:var(--text); font-size:14px; padding:30px 40px; }
h1 { font-size:22px; font-weight:700; } h2 { font-size:18px; font-weight:600; margin-bottom:14px; }
.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; }
.tabs { display:flex; gap:4px; background:#e9e9ee; padding:4px; border-radius:10px; }
.tab { padding:8px 16px; cursor:pointer; border-radius:7px; font-weight:500; font-size:14px; color:var(--sub); transition:.15s; }
.tab.active { background:#fff; color:var(--text); box-shadow:0 1px 2px rgba(0,0,0,0.08); }
.pages { display:none; } .pages.active { display:block; }
.card { background:var(--card); border-radius:14px; padding:20px; box-shadow:0 2px 8px rgba(0,0,0,0.04); margin-bottom:16px; }
.btn { padding:7px 14px; border:none; border-radius:8px; font-size:13px; cursor:pointer; font-weight:500; }
.btn-primary { background:var(--accent); color:white; }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text); }
.btn-danger { background:var(--danger); color:white; }
.btn-sm { padding:4px 10px; font-size:12px; }
table { width:100%; border-collapse:collapse; font-size:13px; }
th,td { text-align:left; padding:10px 12px; border-bottom:1px solid var(--border); }
th { background:#fafafa; font-weight:600; color:var(--sub); font-size:12px; text-transform:uppercase; }
tr:hover td { background:#fbfbfd; }
.badge { display:inline-block; font-size:11px; padding:2px 7px; border-radius:4px; background:#e9e9ee; color:var(--sub); }
.badge-cur { background:var(--accent); color:white; }
.badge-e { background:rgba(255,149,0,0.1); color:var(--warn); }
.badge-m { background:rgba(52,199,89,0.1); color:#1e7e34; }
.badge-u { background:rgba(142,142,147,0.15); color:var(--sub); }
.flex { display:flex; gap:10px; align-items:center; } .flex-between { display:flex; justify-content:space-between; align-items:center; }
input, select, textarea { border:1px solid var(--border); border-radius:8px; padding:7px 10px; font-size:13px; font-family:inherit; background:#fff; outline:none; width:100%; }
input:focus, select:focus, textarea:focus { border-color:var(--blue); }
.modal-mask { position:fixed; inset:0; background:rgba(0,0,0,0.45); z-index:100; display:none; align-items:center; justify-content:center; }
.modal-mask.show { display:flex; }
.modal { background:white; border-radius:14px; padding:24px; min-width:480px; max-width:720px; max-height:85vh; overflow:auto; box-shadow:0 24px 60px rgba(0,0,0,0.2); }
.modal h3 { margin-bottom:16px; font-size:18px; }
.form-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; } .form-grid.col3 { grid-template-columns:repeat(3,1fr); }
.form-grid label { font-size:12px; color:var(--sub); margin-bottom:3px; display:block; font-weight:600; }
.form-item { margin-bottom:10px; }
.nut-table-edit { width:100%; border-collapse:collapse; margin-top:12px; }
.nut-table-edit th, .nut-table-edit td { padding:6px 8px; border:1px solid var(--border); font-size:12px; }
.nut-table-edit input, .nut-table-edit select { padding:4px 6px; font-size:12px; }
.nut-group { margin-top:12px; padding:10px 12px; border-left:3px solid var(--accent); background:#fafafa; border-radius:4px; }
.nut-group.vit { border-left-color:var(--purple); }
.banner-warn { background:rgba(255,149,0,0.1); color:#8a5a00; padding:10px 14px; border-radius:8px; margin-bottom:14px; font-size:13px; }
.banner-info { background:rgba(0,122,255,0.08); color:#0056b3; padding:8px 12px; border-radius:8px; margin-bottom:12px; font-size:12px; }
.tag { display:inline-block; font-size:11px; padding:3px 8px; margin:2px 4px 2px 0; background:rgba(0,122,255,0.08); color:var(--blue); border-radius:10px; }
.toast { position:fixed; top:30px; left:50%; transform:translateX(-50%); background:#1a1a1a; color:white; padding:10px 20px; border-radius:10px; z-index:200; font-size:14px; opacity:0; transition:.2s; pointer-events:none; }
.toast.show { opacity:1; }
.sub-section { margin-bottom:18px; } .sub-title { font-size:14px; font-weight:600; margin-bottom:8px; color:var(--text); }
a.user-link { color:var(--blue); text-decoration:none; font-size:12px; }
.mat-tab { padding:5px 12px; font-size:12px; border:1px solid var(--border); border-radius:16px; background:#fff; color:var(--sub); cursor:pointer; transition:.15s; font-family:inherit; white-space:nowrap; }
.mat-tab:hover { border-color:var(--blue); color:var(--blue); }
.mat-tab.active { background:var(--blue); border-color:var(--blue); color:#fff; font-weight:600; }
.mat-page-btn { padding:5px 10px; font-size:12px; border:1px solid var(--border); border-radius:6px; background:#fff; color:var(--text); cursor:pointer; font-family:inherit; }
.mat-page-btn:hover:not(:disabled) { border-color:var(--blue); color:var(--blue); }
.mat-page-btn.active { background:var(--blue); border-color:var(--blue); color:#fff; }
.mat-page-btn:disabled { color:#c7c7cc; cursor:not-allowed; background:#f5f5f7; }