:root {
  --bg: #0e1116;
  --panel: #161b22;
  --border: #232a33;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2ea9ff;
  --accent-hover: #4fbbff;
  --danger: #f85149;
  --success: #3fb950;
  --warning: #d29922;
  --pending-bg: #2a231a;
  --pending-fg: #e3b341;
  --approved-bg: #1b2a22;
  --approved-fg: #56d364;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

h1 { font-size: 22px; margin: 0 0 20px; font-weight: 600; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 32px; text-align: center; border: 1px dashed var(--border); border-radius: 8px; }

/* ── Topbar ─────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 15px; letter-spacing: 0.2px; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--text); background: rgba(46,169,255,0.12); }
.logout-form { display: flex; align-items: center; gap: 12px; margin: 0; }
.current-user { color: var(--muted); font-size: 13px; }
.btn-link {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 13px; padding: 4px 8px; border-radius: 4px;
}
.btn-link:hover { color: var(--text); }

/* ── Buttons & inputs ───────────────────────────────────────────────────── */
.btn-primary, .btn-danger {
  display: inline-block;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: rgba(248,81,73,0.08); }

input[type=email], input[type=password], input[type=text] {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  margin-top: 6px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: block; margin-bottom: 16px; font-size: 13px; color: var(--muted); }

/* ── Auth card ──────────────────────────────────────────────────────────── */
.auth-card {
  max-width: 400px;
  margin: 80px auto 0;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.auth-card h1 { font-size: 20px; margin-top: 0; }
.auth-card .btn-primary { width: 100%; }
.qr-wrap { display: flex; justify-content: center; padding: 16px 0; }
.qr-wrap img { width: 200px; height: 200px; background: #fff; padding: 8px; border-radius: 6px; }
.manual-secret { margin: 12px 0; font-size: 13px; }
.manual-secret code {
  display: block; padding: 8px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 4px; margin-top: 6px;
  word-break: break-all; font-size: 12px;
}

/* ── Flash messages ─────────────────────────────────────────────────────── */
.flash-list { margin-bottom: 20px; }
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 8px;
  border-left: 3px solid;
}
.flash-error { background: rgba(248,81,73,0.08); border-color: var(--danger); }
.flash-success { background: rgba(63,185,80,0.08); border-color: var(--success); }
.flash-warning { background: rgba(210,153,34,0.08); border-color: var(--warning); }

/* ── Dashboard ──────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.stat-card {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.stat-label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.stat-value { font-size: 32px; font-weight: 600; }
.stat-cta { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--accent); text-decoration: none; }
.stat-cta:hover { color: var(--accent-hover); }
.stat-pending { border-left: 3px solid var(--pending-fg); }
.stat-approved { border-left: 3px solid var(--approved-fg); }

/* ── Page header with filter chips ──────────────────────────────────────── */
.page-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.page-header h1 { margin: 0; }
.filter-chips { display: flex; gap: 6px; margin-left: auto; }
.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}
.chip:hover { color: var(--text); }
.chip-active { background: rgba(46,169,255,0.12); border-color: var(--accent); color: var(--text); }

/* ── Tables ─────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--panel); font-weight: 500; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }
.col-actions { text-align: right; white-space: nowrap; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}
.badge-pending { background: var(--pending-bg); color: var(--pending-fg); }
.badge-approved { background: var(--approved-bg); color: var(--approved-fg); }