src/styles/_common.scss

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/* Design Tokens */
:root {
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --secondary-color: #2c3e50;
  --bg-color: #f0f2f5;
  --card-bg: #ffffff;
  --text-color: #333333;
  --text-muted: #666666;
  --error-color: #e74c3c;
  --success-color: #2ecc71;
  --warning-color: #f39c12;
  --border-color: #dddddd;
  --border-radius: 8px;
  --header-height: 64px;
  --sidebar-width: 240px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Common Classes */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.text-error {
  color: var(--error-color);
}

.text-success {
  color: var(--success-color);
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s;

  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
}

.btn-primary {
  @extend .btn;
  background-color: var(--primary-color);
  color: white;

  &:hover:not(:disabled) {
    background-color: var(--primary-dark);
  }
}