* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #f5f6f8;
  color: #1c1f26;
  margin: 0;
  padding: 24px;
}

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

h2 {
  font-size: 17px;
  margin: 0 0 12px;
}

h3 {
  font-size: 14px;
  margin: 16px 0 8px;
}

.panel {
  background: #ffffff;
  border: 1px solid #dde1e7;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

.error-banner {
  background: #fdecea;
  border: 1px solid #f5c2c0;
  color: #9c1f16;
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}

.hidden {
  display: none;
}

.telegram-gate {
  max-width: 480px;
  margin: 80px auto;
  padding: 24px;
  text-align: center;
  font-size: 16px;
  line-height: 1.5;
  background: #ffffff;
  border: 1px solid #dde1e7;
  border-radius: 8px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.toolbar input[type="text"] {
  flex: 1;
  min-width: 240px;
  padding: 8px 10px;
  border: 1px solid #c7ccd4;
  border-radius: 6px;
  font-size: 14px;
}

.select-all-label {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.selected-count {
  font-size: 13px;
  color: #4a5568;
  white-space: nowrap;
}

.table-wrap {
  max-height: 480px;
  overflow-y: auto;
  border: 1px solid #e2e5ea;
  border-radius: 6px;
}

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

thead th {
  position: sticky;
  top: 0;
  background: #f0f2f5;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid #dde1e7;
  z-index: 1;
}

tbody td {
  padding: 6px 10px;
  border-bottom: 1px solid #eef0f3;
}

tbody tr:hover {
  background: #f7f9fb;
}

.group-tag {
  display: inline-block;
  background: #e7f0ff;
  color: #1a56c4;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
}

.create-group-form {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  border-top: 1px solid #e2e5ea;
  padding-top: 12px;
  margin-top: 12px;
}

.create-group-form input[type="text"] {
  padding: 8px 10px;
  border: 1px solid #c7ccd4;
  border-radius: 6px;
  font-size: 14px;
}

.create-group-form input[type="number"] {
  width: 100px;
  padding: 8px 10px;
  border: 1px solid #c7ccd4;
  border-radius: 6px;
  font-size: 14px;
}

button {
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
}

button:hover {
  background: #1d4fd1;
}

button.secondary {
  background: #6b7280;
}

button.secondary:hover {
  background: #575e69;
}

button.danger {
  background: #dc2626;
}

button.danger:hover {
  background: #b91c1c;
}

.group-position-input {
  width: 70px;
  padding: 6px 8px;
  border: 1px solid #c7ccd4;
  border-radius: 6px;
  font-size: 13px;
}

.members-row td {
  background: #fafbfc;
  font-size: 12px;
  color: #4a5568;
  padding: 8px 10px;
}

.row-actions {
  display: flex;
  gap: 6px;
}