:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1d1f24;
  --muted: #6b7280;
  --border: #e2e8f0;
  --accent: #2563eb;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

h1 { margin: 0; font-size: 22px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  height: 100px;
  width: auto;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tz-controls {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.tz-controls input,
.tz-controls select {
  min-width: 160px;
}

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

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tabs button {
  padding: 8px 12px;
  background: #425b76;
  border: 1px solid #425b76;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.tabs button.active {
  background: #f7931e;
  border-color: #f7931e;
  color: #fff;
}

.row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 10px 0;
  flex-wrap: wrap;
}

label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }

select, input, button {
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  min-width: 180px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.danger { background: var(--danger); }

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.small {
  padding: 4px 8px;
  font-size: 12px;
}

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

.status { margin-left: 8px; color: var(--muted); }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 13px;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 8px;
  text-align: left;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin-top: 8px;
  gap: 8px;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}

@media (max-width: 600px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  select, input { min-width: 100%; }
}