:root {
  --bg: #f7f7f8;
  --panel: #ffffff;
  --border: #e0e0e5;
  --text: #1c1c22;
  --muted: #6b6b76;
  --accent: #2f6fed;
  --danger: #d1483c;
  --ok: #2f9e5b;
  --warn: #c9891b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}
.topbar nav { display: flex; gap: 16px; }
.topbar-user { display: flex; gap: 16px; align-items: center; color: var(--muted); }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px;
}

h1 { font-size: 20px; margin-top: 0; }
h2 { font-size: 16px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-ok { background: #e4f6ea; color: var(--ok); }
.badge-danger { background: #fbeae7; color: var(--danger); }
.badge-warn { background: #fbf1e0; color: var(--warn); }
.badge-muted { background: #eee; color: var(--muted); }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.flash-error { background: #fbeae7; color: var(--danger); }
.flash-success { background: #e4f6ea; color: var(--ok); }

form.stack { display: flex; flex-direction: column; gap: 10px; max-width: 420px; }
label { font-weight: 600; font-size: 13px; }
input[type=text], input[type=email], input[type=password], select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  width: 100%;
}

button, .button {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
}
button.secondary, .button.secondary { background: var(--panel); color: var(--text); border-color: var(--border); }
button.danger, .button.danger { background: var(--danger); border-color: var(--danger); }

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  font-size: 13px;
  cursor: pointer;
}
.link-button:hover { text-decoration: underline; }

.inline-form { display: inline; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.qr-box { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.qr-box img { width: 260px; height: 260px; border: 1px solid var(--border); border-radius: 8px; }
.qr-status { color: var(--muted); font-size: 13px; }

.pagination { display: flex; justify-content: space-between; margin-top: 12px; }

.muted { color: var(--muted); }