* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f4f5f7;
  color: #1a1a1a;
}
.hidden { display: none !important; }

.view.login {
  display: flex;
}
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  width: 320px;
}
.login-card h1 { font-size: 20px; margin-bottom: 16px; }
.login-card input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
}
.login-card button {
  width: 100%;
  padding: 10px;
  background: #ffde00;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}
.error { color: #d33; font-size: 13px; }
.hint { color: #888; font-size: 12px; margin-top: 12px; }

header {
  background: #111;
  color: #fff;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header button {
  background: transparent;
  border: 1px solid #666;
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 20px 24px;
}
.stat-card {
  background: #fff;
  padding: 16px;
  border-radius: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.stat-card .label { font-size: 12px; color: #888; }
.stat-card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }

.tabs { padding: 0 24px; display: flex; gap: 8px; }
.tab-btn {
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-size: 14px;
}
.tab-btn.active { border-bottom-color: #ffde00; font-weight: 600; }

.tab-content { padding: 16px 24px; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #eee; font-size: 13px; }
th { background: #fafafa; color: #666; }

.badge { padding: 3px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge.pending { background: #fff3cd; color: #856404; }
.badge.approved { background: #d4edda; color: #155724; }
.badge.rejected { background: #f8d7da; color: #721c24; }

.btn-sm {
  padding: 5px 10px;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  font-size: 12px;
  margin-right: 4px;
}
.btn-approve { background: #28a745; color: #fff; }
.btn-reject { background: #dc3545; color: #fff; }

.filter-row { display: flex; gap: 8px; margin-bottom: 12px; }
.filter-row input { padding: 8px 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 13px; width: 280px; }
.filter-row button { padding: 8px 14px; border: none; border-radius: 6px; cursor: pointer; background: #111; color: #fff; font-size: 13px; }

.history-panel {
  margin-top: 20px;
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.history-panel h3 { margin: 0 0 12px 0; font-size: 15px; }
.history-panel > button {
  float: right; margin-top: -36px;
  background: #eee; border: none; border-radius: 6px; padding: 5px 10px; cursor: pointer; font-size: 12px;
}