/**
 * 加载动画组件样式表
 * 
 * @file components/loading.css
 * @description 提供各种加载动画效果和悬停交互样式
 * @author CodeBuddy
 * @created 2025-01-13
 * @version 3.0.0
 * 
 * 功能模块：
 * - 加载覆盖层
 * - 旋转加载动画
 * - 进度条组件
 * - 表格行悬停效果
 * - 时间弹出层样式
 * - 旋转动画效果
 */

/* ========================================
   加载动画样式
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 半透明遮罩以遮盖页面内容 */
    background-color: rgba(0,0,0,0.45);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    /* 阻止页面交互 */
    pointer-events: auto;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 153, 0, 0.3);
    border-radius: 50%;
    border-top: 5px solid #ff9900;
    animation: spin 1s linear infinite;
}

.loading-text {
    color: #ffffff;
    margin-top: 20px;
    font-size: 18px;
}

/* 加载容器隐藏状态 */
.loading-container {
    display: block;
}

.loading-spinner {
    display: block;
}

/* ========================================
   进度条组件样式 (批量导入等功能)
   ======================================== */
.progress-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 500px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background-color: #f1f1f1;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-bar .progress {
    height: 100%;
    background-color: #4CAF50;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 14px;
    color: #333;
}

/* ========================================
   旋转动画效果
   ======================================== */

/* 旋转动画关键帧 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 基础旋转动画 */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Font Awesome 图标旋转效果 */
.fa-sync.rotating,
.fa-sync-alt.rotating {
    animation: rotate 1s linear infinite;
}

/* 禁用的旋转动画 */
@keyframes spin-disabled {
    0% { transform: none; }
    100% { transform: none; }
}

/* ========================================
   表格悬停效果
   ======================================== */
.appointment-table tbody tr {
    transition: all 0.2s ease;
}

.appointment-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03) !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ========================================
   时间弹出层样式
   ======================================== */
.time-popover {
    position: fixed;
    background: linear-gradient(135deg, #ffffff 60%, #f8f9fa 100%);
    color: var(--dark);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(20,110,180,0.25), 0 2px 10px rgba(0,0,0,0.2);
    padding: 20px 32px;
    font-size: 19px;
    font-weight: 500;
    max-width: 96vw;
    z-index: 99999;
    line-height: 1.9;
    opacity: 1;
    animation: fadeIn 0.3s forwards;
    pointer-events: none;
    letter-spacing: 1.2px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.12);
}

/* 淡入动画关键帧 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}