/* assets/css/main.css */
/* 主样式文件 - 配合main.js使用 */

/* 全局加载指示器 */
.global-loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.global-loading-indicator .loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(139, 69, 19, 0.3);
    border-radius: 50%;
    border-top-color: #8B4513;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 页脚修复 */
.footer {
    position: relative !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    clear: both;
    margin-top: auto;
}

/* 页面加载状态 */
.page-loading {
    overflow: hidden;
}

.page-loading * {
    cursor: wait !important;
}

.page-loaded .global-loading-indicator {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: #8B4513;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.back-to-top:hover {
    background: #A0522D;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

/* 通知容器 */
.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    max-width: 350px;
}

.notifications-container .alert {
    margin-bottom: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 涟漪效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 表单增强 */
.form-group-enhanced {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group-enhanced.focused .form-label {
    color: #8B4513;
    transform: translateY(-1px);
}

.form-group-enhanced.has-success .form-control {
    border-color: #28a745;
}

.form-group-enhanced.has-error .form-control {
    border-color: #dc3545;
}

.form-group-enhanced.has-success .form-text {
    color: #28a745;
}

.form-group-enhanced.has-error .form-text {
    color: #dc3545;
}

/* 骨架屏 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 导航栏滚动状态 */
.navbar-scrolled {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background: rgba(139, 69, 19, 0.95) !important;
    backdrop-filter: blur(10px);
}

/* 主题支持 */
[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --border-color: #444;
}

[data-theme="dark"] body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

/* 打印优化 */
@media print {
    .global-loading-indicator,
    .back-to-top,
    .notifications-container {
        display: none !important;
    }
}

/* 移动端优化 */
@media (max-width: 768px) {
    .notifications-container {
        left: 20px;
        right: 20px;
        max-width: none;
    }
    
    .back-to-top {
        bottom: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
    }
}

/* IE11修复 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    .card {
        display: block;
        float: left;
        margin: 10px;
    }
    
    .flex-container {
        display: block;
    }
    
    .container {
        width: 100%;
        max-width: 1200px;
    }
}