:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22263a;
  --border: #2e3248;
  --accent: #6366f1;
  --accent2: #818cf8;
  --text: #e2e8f0;
  --muted: #7c85a2;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
       background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: var(--bg2); border-right: 1px solid var(--border);
           padding: 24px 0; display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar .logo { padding: 0 20px 24px; font-size: 18px; font-weight: 700; color: var(--accent2);
                 border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.sidebar .logo span { color: var(--muted); font-size: 11px; font-weight: 400; display: block; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 10px 20px;
                 color: var(--muted); text-decoration: none; border-radius: 0; transition: all .15s; font-size: 13px; }
.sidebar nav a:hover, .sidebar nav a.active { color: var(--text); background: var(--bg3); }
.sidebar nav a.active { border-left: 3px solid var(--accent); padding-left: 17px; }
.sidebar nav a svg { width: 16px; height: 16px; flex-shrink: 0; }
.sidebar .spacer { flex: 1; }
.sidebar .user-info { padding: 12px 20px; border-top: 1px solid var(--border);
                      font-size: 12px; color: var(--muted); }
.main { flex: 1; padding: 32px; overflow-y: auto; }
.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 22px; font-weight: 600; }
.page-header p { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* Cards */
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card-header { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase;
               letter-spacing: .5px; margin-bottom: 16px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
        padding: 20px; }
.stat .val { font-size: 32px; font-weight: 700; line-height: 1; margin-bottom: 6px; }
.stat .lbl { font-size: 12px; color: var(--muted); }
.stat .val.accent { color: var(--accent2); }
.stat .val.danger  { color: var(--danger); }
.stat .val.success { color: var(--success); }
.stat .val.warn    { color: var(--warning); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 7px;
       font-size: 13px; font-weight: 500; cursor: pointer; border: none; text-decoration: none; transition: .15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); }
.btn-ghost { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { padding: 10px 14px; text-align: left; font-size: 11px; font-weight: 600; color: var(--muted);
     text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--bg3); }
tr:last-child td { border-bottom: none; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-desktop { background: #1e3a5f; color: #60a5fa; }
.badge-mobile  { background: #1e3a2f; color: #4ade80; }
.badge-tablet  { background: #3a2a1e; color: #fbbf24; }

/* Forms */
.form-group { margin-bottom: 18px; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .4px; }
input[type=text], input[type=email], input[type=password], input[type=url], select {
  width: 100%; padding: 10px 14px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 7px; color: var(--text); font-size: 14px; }
input:focus, select:focus { outline: none; border-color: var(--accent); }

/* Code block */
.code-block { background: var(--bg); border: 1px solid var(--border); border-radius: 7px;
              padding: 14px 16px; font-family: 'Courier New', monospace; font-size: 12px;
              color: #a5f3fc; overflow-x: auto; white-space: pre; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 7px; font-size: 13px; margin-bottom: 18px; }
.alert-danger  { background: #2d1515; border: 1px solid #7f1d1d; color: #fca5a5; }
.alert-success { background: #14291f; border: 1px solid #14532d; color: #86efac; }
.alert-info    { background: #172033; border: 1px solid #1e3a5f; color: #93c5fd; }

/* Auth pages */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.auth-box { background: var(--bg2); border: 1px solid var(--border); border-radius: 14px;
            padding: 40px; width: 100%; max-width: 420px; }
.auth-box h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.auth-box p { color: var(--muted); font-size: 13px; margin-bottom: 28px; }
.auth-box .link { color: var(--accent2); text-decoration: none; }

/* Site selector */
.site-selector { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.site-selector select { max-width: 280px; }