*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg:#f4f6fb;
  --bg-elev:#ffffff;
  --bg-card:#ffffff;
  --border:#e3e7ef;
  --border-strong:#d4dbe8;
  --text:#0d1530;
  --text-dim:#5a6478;
  --text-muted:#94a0b5;
  --accent:#001fd0;
  --accent-hover:#1733d9;
  --accent-soft:rgba(0,31,208,0.08);
  --accent-softer:rgba(0,31,208,0.04);
  --green:#0a9a5b;
  --green-soft:rgba(10,154,91,0.10);
  --red:#dc2626;
  --red-soft:rgba(220,38,38,0.10);
  --yellow:#b45309;
  --yellow-soft:rgba(180,83,9,0.10);
  --shadow-sm:0 1px 2px rgba(13,21,48,0.04);
  --shadow:0 4px 14px rgba(13,21,48,0.06);
  --shadow-lg:0 12px 32px rgba(13,21,48,0.10);
}
html,body { background:var(--bg); color:var(--text); font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif; min-height:100vh; -webkit-font-smoothing:antialiased; }
a { color:var(--accent); text-decoration:none; }
a:hover { color:var(--accent-hover); }

/* Layout */
.app-shell { display:flex; min-height:100vh; }
.sidebar { width:230px; background:var(--bg-elev); border-right:1px solid var(--border); padding:24px 14px; display:flex; flex-direction:column; gap:4px; }
.sidebar .brand { font-size:18px; font-weight:800; margin-bottom:24px; padding:0 10px; color:var(--text); }
.sidebar .brand span.tag { font-size:9px; letter-spacing:1.6px; color:var(--accent); display:block; margin-top:3px; font-weight:700; }
.sidebar .nav-item { display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px; color:var(--text-dim); font-size:14px; font-weight:500; transition:.15s; }
.sidebar .nav-item:hover { background:var(--accent-softer); color:var(--text); }
.sidebar .nav-item.active { background:var(--accent-soft); color:var(--accent); font-weight:600; }
.sidebar .spacer { flex:1; }
.sidebar .footer-info { padding:14px 10px; font-size:11px; color:var(--text-muted); border-top:1px solid var(--border); }
.sidebar .footer-info a { color:var(--text-muted); }
.sidebar .footer-info a:hover { color:var(--accent); }

.main { flex:1; padding:32px 40px; max-width:1200px; }
.page-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:28px; }
.page-title { font-size:24px; font-weight:800; color:var(--text); }
.page-sub { font-size:13px; color:var(--text-dim); margin-top:4px; }

/* Cards */
.card { background:var(--bg-card); border:1px solid var(--border); border-radius:12px; padding:24px; margin-bottom:18px; box-shadow:var(--shadow-sm); }
.card-title { font-size:14px; font-weight:700; margin-bottom:16px; color:var(--text); }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }

/* Forms */
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:1px; color:var(--text-dim); margin-bottom:6px; }
.form-group input[type=text], .form-group input[type=password], .form-group input[type=email], .form-group input[type=url], .form-group input[type=number], .form-group select, .form-group textarea {
  width:100%; height:42px; background:#fff; border:1px solid var(--border-strong); border-radius:8px; padding:0 12px; color:var(--text); font-family:inherit; font-size:14px; outline:none; transition:.15s;
}
.form-group textarea { height:auto; min-height:80px; padding:12px; resize:vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.form-group .hint { font-size:12px; color:var(--text-muted); margin-top:5px; }

.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; height:42px; padding:0 18px; border-radius:8px; font-family:inherit; font-size:14px; font-weight:600; border:1px solid transparent; cursor:pointer; transition:.15s; white-space:nowrap; }
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-hover); }
.btn-secondary { background:#fff; color:var(--text-dim); border-color:var(--border-strong); }
.btn-secondary:hover { color:var(--text); border-color:var(--accent); }
.btn-danger { background:#fff; color:var(--red); border-color:rgba(220,38,38,0.3); }
.btn-danger:hover { background:var(--red-soft); }
.btn-sm { height:32px; padding:0 12px; font-size:13px; }
.btn:disabled { opacity:.5; cursor:not-allowed; }

/* Login */
.login-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px; background:linear-gradient(135deg,#f4f6fb 0%,#ebeefc 100%); }
.login-card { background:#fff; border:1px solid var(--border); border-radius:14px; padding:36px; width:100%; max-width:420px; box-shadow:var(--shadow-lg); }
.login-card h1 { font-size:22px; font-weight:800; color:var(--accent); margin-bottom:6px; }
.login-card .sub { font-size:13px; color:var(--text-dim); margin-bottom:24px; }
.login-card .alert { background:var(--red-soft); border:1px solid rgba(220,38,38,0.25); color:var(--red); padding:10px 12px; border-radius:8px; font-size:13px; margin-bottom:14px; }
.login-card .alert-info { background:var(--accent-soft); border-color:rgba(0,31,208,0.25); color:var(--accent); }
.login-card .btn { width:100%; height:44px; margin-top:6px; }

/* Tables */
.table { width:100%; border-collapse:collapse; }
.table th { text-align:left; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:1px; color:var(--text-dim); padding:12px 16px; border-bottom:1px solid var(--border); background:var(--bg); }
.table th:first-child { border-top-left-radius:12px; }
.table th:last-child { border-top-right-radius:12px; }
.table td { padding:14px 16px; border-bottom:1px solid var(--border); font-size:14px; vertical-align:middle; color:var(--text); }
.table tr:last-child td { border-bottom:none; }
.table tr:hover td { background:var(--accent-softer); }

/* Pills */
.pill { display:inline-flex; align-items:center; gap:5px; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:0.5px; }
.pill-live { background:var(--green-soft); color:var(--green); }
.pill-dev { background:var(--yellow-soft); color:var(--yellow); }
.pill-active { background:var(--accent-soft); color:var(--accent); }
.pill-disabled { background:#f1f3f8; color:var(--text-muted); }

/* Tabs */
.tabs { display:flex; gap:2px; border-bottom:1px solid var(--border); margin-bottom:24px; }
.tab { padding:12px 18px; font-size:13px; font-weight:600; color:var(--text-dim); cursor:pointer; border:none; background:transparent; border-bottom:2px solid transparent; font-family:inherit; transition:.15s; }
.tab:hover { color:var(--text); }
.tab.active { color:var(--accent); border-bottom-color:var(--accent); }
.tab-panel { display:none; }
.tab-panel.active { display:block; }

/* Toast */
.toast { position:fixed; top:24px; right:24px; padding:12px 18px; border-radius:10px; font-size:14px; font-weight:600; z-index:9999; box-shadow:var(--shadow-lg); }
.toast-success { background:var(--green); color:#fff; }
.toast-error { background:var(--red); color:#fff; }