/* 项目卡片展示样式 - 玻璃+金属光泽效果 */

/* 项目展示区域 */
.projects-showcase {
    padding: 2rem 0;
    padding-top: 80px; /* 确保距离顶部至少80px */
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
}

/* 项目网格布局 - 固定三列布局 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    /* 确保网格始终保持3列，即使内容不足也留出空间 */
    min-height: 200px;
}

/* 响应式布局调整 - 保持固定列数 */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 900px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.2rem;
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .projects-showcase {
        padding: 1rem 0;
    }
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
}

/* 项目卡片样式 */
.project-card {
    position: relative;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    height: 200px; /* 固定卡片高度 */
    
    /* 金属光泽效果 */
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* 未启用项目卡片样式 */
.project-card.disabled {
    background: linear-gradient(135deg, #2c2c2c, #1a1a1a);
    border: 1px solid #444;
    opacity: 0.7;
}

.project-card.disabled .project-cover {
    background: #333;
}

.project-card.disabled .project-cover .no-cover {
    background: #444;
    color: #888;
}

.project-card.disabled .project-title {
    color: #ccc;
}

.project-card.disabled .project-description {
    color: #888;
}

.project-card.disabled:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* 项目设置按钮 */
.project-settings-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 10;
    color: rgba(255, 255, 255, 0.8);
}

.project-card:hover .project-settings-btn {
    opacity: 1;
    transform: translateY(0);
}

.project-settings-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.project-settings-btn svg {
    width: 16px;
    height: 16px;
}

/* 项目设置模态窗口样式 */
.project-settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.project-settings-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.project-settings-modal.show .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 24px;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.modal-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    color: #666;
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    background: #f5f5f5;
    color: #333;
}

.modal-body {
    padding: 0 24px 24px;
    max-height: calc(90vh - 120px);
    overflow-y: auto;
}

/* 表单样式 */
.project-settings-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* 封面上传区域样式 */
.cover-upload-area {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.current-cover {
    flex-shrink: 0;
}

.cover-preview {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.upload-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upload-btn {
    padding: 10px 16px;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    align-self: flex-start;
}

.upload-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.upload-hint {
    font-size: 12px;
    color: #666;
    margin: 0;
}

/* 表单操作按钮 */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 1px solid #eee;
    margin-top: 20px;
}

.btn-secondary,
.btn-primary {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary {
    background: #f8f9fa;
    color: #666;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background: #e9ecef;
    color: #333;
}

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-primary:hover {
    background: #0056b3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header,
    .modal-body {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .cover-upload-area {
        flex-direction: column;
    }
    
    .form-actions {
        flex-direction: column-reverse;
    }
    
    .btn-secondary,
    .btn-primary {
        width: 100%;
    }
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 100%);
    transition: left 0.6s ease;
    z-index: 1;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 8px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 卡片内容布局 */
.project-card-content {
    display: flex;
    height: 100%;
    position: relative;
    z-index: 2;
}

/* 左侧内容区域 - 1/3 */
.project-info {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%,
        rgba(255, 255, 255, 0.02) 100%);
}

/* 右侧封面区域 - 2/3 */
.project-cover {
    flex: 2;
    position: relative;
    overflow: hidden;
}

.project-cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-cover-image {
    transform: scale(1.1);
}

/* 封面遮罩层 */
.project-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-cover::after {
    opacity: 1;
}

/* 项目标题 */
.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 项目描述 */
.project-description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 加载状态样式 */
.projects-loading,
.load-more-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
    color: rgba(255, 255, 255, 0.7);
}

.loading-spinner,
.load-more-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 无更多内容提示 */
.no-more-content {
    text-align: center;
    padding: 2rem 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: rgba(255, 255, 255, 0.6);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: rgba(255, 255, 255, 0.8);
}

.empty-state p {
    font-size: 1rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.5);
}

/* 优先级指示器 */
.project-priority {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    z-index: 3;
}

.project-priority.high {
    background: linear-gradient(180deg, #ff6b6b, #ee5a52);
}

.project-priority.medium {
    background: linear-gradient(180deg, #feca57, #ff9ff3);
}

.project-priority.low {
    background: linear-gradient(180deg, #48dbfb, #0abde3);
}

.project-priority.new {
    background: linear-gradient(180deg, #a8e6cf, #7fcdcd);
}

/* 新建项目卡片样式 */
.new-project-card {
    border: 2px dashed rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, 
        rgba(168, 230, 207, 0.1) 0%,
        rgba(127, 205, 205, 0.05) 100%);
}

.new-project-card:hover {
    border-color: rgba(168, 230, 207, 0.6);
    background: linear-gradient(135deg, 
        rgba(168, 230, 207, 0.15) 0%,
        rgba(127, 205, 205, 0.1) 100%);
}

.new-project-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: rgba(168, 230, 207, 0.8);
    transition: all 0.3s ease;
}

.new-project-card:hover .new-project-icon {
    color: rgba(168, 230, 207, 1);
    transform: scale(1.1);
}

/* 动画优化 */
.project-card {
    will-change: transform, box-shadow;
}

.project-cover-image {
    will-change: transform;
}

/* 无障碍支持 */
.project-card:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* 性能优化 */
.projects-grid {
    contain: layout style paint;
}

.project-card {
    contain: layout style paint;
}