:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --border: #d9dee4;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --green: #16a34a;
  --red: #dc2626;
}

* { box-sizing: border-box; }

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

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

h1 { font-size: 1.4rem; margin: 0 0 0.75rem; }

.muted { color: var(--muted); }
.hidden { display: none !important; }
.error { color: var(--danger); min-height: 1.25rem; margin: 0.5rem 0; }
.hint { color: var(--muted); font-size: 0.85rem; margin: -0.5rem 0 1rem; }

code, .code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.9em;
  background: #eef1f4;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

label {
  display: block;
  font-weight: 600;
  margin: 1rem 0 0.25rem;
}

input[type="text"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

input[type="text"]:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
  border-color: var(--primary);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  margin-top: 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text);
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover { background: #f0f2f5; }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: #fef2f2; }
.btn.small { padding: 0.25rem 0.6rem; font-size: 0.85rem; }

.form-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1rem;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.dash-actions { display: flex; gap: 0.5rem; }

.row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  margin-bottom: 0.6rem;
  cursor: pointer;
}

.row:hover { border-color: var(--primary); }

.row-main { flex: 1; min-width: 0; }
.row-name { font-weight: 600; }
.row-meta {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot.green { background: var(--green); }
.dot.red { background: var(--red); }

.qr-box {
  position: relative;
  padding-top: 0.5rem;
  text-align: center;
}

.qr-url {
  font-size: 0.75rem;
  color: var(--muted);
  word-break: break-all;
  margin-top: 0.4rem;
}