/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局样式 */
body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 40px;
}

.header-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.title .material-icons {
    font-size: 3rem;
    color: #667eea;
}

.subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
    font-weight: 300;
}

/* 主要内容区域 */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 输入区域 */
.input-section {
    display: flex;
    justify-content: center;
}

.input-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 600px;
}

.input-card h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 25px;
    text-align: center;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: #34495e;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 15px;
    color: #95a5a6;
    font-size: 20px;
    z-index: 1;
}

.input-wrapper input {
    width: 100%;
    padding: 15px 15px 15px 50px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-wrapper input::placeholder {
    color: #adb5bd;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    margin-top: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #f8f9fa;
    color: #495057;
    border: 1px solid #dee2e6;
}

.btn-secondary:hover {
    background: #e9ecef;
    transform: translateY(-1px);
}

.btn-icon {
    padding: 8px;
    border-radius: 8px;
    background: transparent;
    color: #6c757d;
    border: 1px solid #dee2e6;
}

.btn-icon:hover {
    background: #f8f9fa;
    color: #495057;
}

.btn-icon.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* 结果区域 */
.result-section {
    animation: fadeInUp 0.5s ease;
}

.result-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.result-header h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: #2c3e50;
}

.result-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.view-toggle {
    display: flex;
    gap: 5px;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: #6c757d;
    cursor: pointer;
    transition: color 0.2s ease;
}

.breadcrumb-item:hover {
    color: #667eea;
}

.breadcrumb-item.active {
    color: #495057;
    font-weight: 500;
}

.breadcrumb-separator {
    color: #adb5bd;
}

/* 文件列表 */
.file-list {
    min-height: 200px;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.file-item:hover {
    background: #f8f9fa;
    border-color: #e9ecef;
    transform: translateX(5px);
}

.file-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-right: 15px;
    font-size: 24px;
}

.file-icon.folder {
    background: #fff3cd;
    color: #856404;
}

.file-icon.file {
    background: #d1ecf1;
    color: #0c5460;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 4px;
    word-break: break-all;
}

.file-meta {
    font-size: 0.85rem;
    color: #6c757d;
    display: flex;
    gap: 15px;
}

.file-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.file-item:hover .file-actions {
    opacity: 1;
}

.file-action {
    padding: 6px;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: #6c757d;
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-action:hover {
    background: #e9ecef;
    color: #495057;
}

/* 网格视图 */
.file-list.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.file-list.grid-view .file-item {
    flex-direction: column;
    text-align: center;
    padding: 20px;
    margin-bottom: 0;
}

.file-list.grid-view .file-icon {
    width: 60px;
    height: 60px;
    margin: 0 0 15px 0;
    font-size: 32px;
}

.file-list.grid-view .file-info {
    width: 100%;
}

.file-list.grid-view .file-meta {
    justify-content: center;
    flex-wrap: wrap;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.pagination .btn {
    min-width: 40px;
    height: 40px;
    padding: 0;
}

.pagination .page-info {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 0 15px;
}

/* 加载动画 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading p {
    color: white;
    font-size: 1.1rem;
    font-weight: 300;
}

/* Toast 通知 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    z-index: 1001;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 350px;
    word-wrap: break-word;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.toast.error {
    background: linear-gradient(135deg, #dc3545, #e74c3c);
}

.toast.warning {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .title {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .title .material-icons {
        font-size: 2.5rem;
    }
    
    .input-card, .result-card {
        padding: 20px;
    }
    
    .result-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .result-actions {
        justify-content: space-between;
    }
    
    .file-list.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .toast {
        right: 15px;
        left: 15px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .file-meta {
        flex-direction: column;
        gap: 5px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .btn {
        font-size: 0.9rem;
    }
}

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

.rotating {
    animation: rotate 1s linear infinite;
}

/* 头部操作按钮 */
.header-actions {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* 用户信息样式 */
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #2c3e50;
    font-weight: 500;
}

.user-info .material-icons {
    font-size: 20px;
    color: #667eea;
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.modal-header h3 {
    margin: 0;
    color: #2c3e50;
}

.modal-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.modal-body {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

/* 日志列表样式 */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.log-item {
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #f9f9f9;
}

.log-item.success {
    border-left: 4px solid #4caf50;
    background: #f1f8e9;
}

.log-item.error {
    border-left: 4px solid #f44336;
    background: #ffebee;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.log-type {
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    text-transform: uppercase;
}

.log-type.success {
    background: #4caf50;
    color: white;
}

.log-type.error {
    background: #f44336;
    color: white;
}

.log-timestamp {
    font-size: 12px;
    color: #666;
}

.log-message {
    margin-bottom: 8px;
    color: #333;
}

.log-data {
    font-size: 12px;
    color: #666;
    background: #f5f5f5;
    padding: 8px;
    border-radius: 4px;
    font-family: monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #d32f2f;
}

/* Aria2配置表单样式 */
.aria2-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.aria2-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.aria2-form label {
    font-weight: 500;
    color: #2c3e50;
    font-size: 14px;
}

.aria2-form input {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.aria2-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.connection-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.connection-status.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.connection-status.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.connection-status.testing {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
    display: block;
}

/* Aria2按钮样式 */
.file-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d, #5a6268);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5a6268, #495057);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
}

.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary .material-icons {
    font-size: 18px;
}

/* 测试连接按钮状态样式 */
#testAria2Btn.btn-error {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
}

#testAria2Btn.btn-error:hover {
    background: linear-gradient(135deg, #ff5252 0%, #d32f2f 100%);
    box-shadow: 0 4px 8px rgba(255, 107, 107, 0.3);
}

/* 日志操作按钮样式 */
.log-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

.btn-sm .material-icons {
    font-size: 16px;
    margin-right: 4px;
}

.log-data {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 8px;
    margin-top: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
}