* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f8f9fa;
  color: #333;
}

.app-container {
  max-width: 480px;
  margin: 0 auto;
}

.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.app-title {
  margin: 0;
  font-size: 18px;
}

.btn-back-portal {
  text-decoration: none;
  font-size: 13px;
  font-weight: bold;
  color: #1a73e8;
  background: #e8f0fe;
  padding: 6px 12px;
  border-radius: 6px;
}

.admin-nav-banner {
  display: none;
  background: #fef7e0;
  border: 1px solid #f9ab00;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
}

.admin-banner-text {
  font-weight: bold;
  color: #b06000;
  font-size: 13px;
}

.admin-link-btn {
  display: block;
  margin-top: 8px;
  text-align: center;
  background: #f29900;
  color: #fff;
  text-decoration: none;
  padding: 8px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: bold;
}

.app-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  border: 1px solid #e0e0e0;
}

.user-banner {
  background: #eef3fc;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
  font-size: 14px;
}

.user-meta {
  color: #666;
  font-size: 12px;
}

.app-label {
  font-size: 14px;
  font-weight: bold;
  display: block;
  margin-bottom: 6px;
}

.app-select {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #ccc;
  margin-bottom: 14px;
  background-color: #fff;
}

.app-btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  color: #fff;
  background: #1a73e8;
}

.app-btn:disabled {
  background: #9aa0a6;
  cursor: not-allowed;
}

.app-msg {
  margin-top: 12px;
  text-align: center;
  font-size: 14px;
  font-weight: bold;
  min-height: 20px;
}

.history-title {
  margin: 0 0 8px 0;
  font-size: 15px;
}

.history-content {
  color: #888;
  font-size: 13px;
}

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

th, td {
  border-bottom: 1px solid #eee;
  padding: 8px 4px;
  text-align: left;
}

.badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  background: #e8f0fe;
  color: #1a73e8;
  font-weight: bold;
}

.btn-cancel {
  padding: 3px 8px;
  font-size: 11px;
  background: #fce8e6;
  color: #d93025;
  border: 1px solid #fad2cf;
  border-radius: 4px;
  cursor: pointer;
}