* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f0f1a;
    color: #fff;
    min-height: 100vh;
}

.admin-container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 220px;
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .logo {
    font-size: 20px;
    font-weight: bold;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    color: #888;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-menu a:hover, .nav-menu a.active {
    background: rgba(241, 64, 75, 0.2);
    color: #f1404b;
}

.nav-menu a i {
    width: 20px;
}

/* 主内容 */
.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.header {
    margin-bottom: 30px;
}

.header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.header p {
    color: #888;
}

/* 表单卡片 */
.add-form-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.url-input-section {
    margin-bottom: 25px;
}

.url-input-section label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.url-input-group {
    display: flex;
    gap: 10px;
}

.url-input-group input {
    flex: 1;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: border-color 0.3s;
}

.url-input-group input:focus {
    border-color: #f1404b;
}

.url-input-group button {
    padding: 15px 25px;
    background: linear-gradient(135deg, #f1404b, #ff6b6b);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.url-input-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(241, 64, 75, 0.4);
}

.loading {
    display: none;
    padding: 15px;
    color: #f1404b;
    font-size: 14px;
}

.loading.show {
    display: block;
}

/* 表单网格 */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    color: #aaa;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #f1404b;
}

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

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: #1a1a2e;
}

/* 图标预览 */
.icon-preview {
    display: flex;
    align-items: center;
    gap: 15px;
}

.icon-preview img {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    object-fit: contain;
}

.icon-preview input {
    flex: 1;
}

/* Emoji选择器 */
.emoji-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.emoji-picker span {
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

.emoji-picker span:hover {
    background: rgba(241, 64, 75, 0.3);
    transform: scale(1.2);
}

/* 表单按钮 */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary, .btn-secondary {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #f1404b, #ff6b6b);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(241, 64, 75, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 预览区域 */
.preview-section {
    margin-top: 30px;
}

.preview-section h3 {
    margin-bottom: 15px;
    color: #888;
    font-size: 14px;
}

.preview-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 350px;
}

.preview-card .site-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f1404b, #ff6b6b);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.preview-card .site-info h3 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #fff;
}

.preview-card .site-info p {
    font-size: 13px;
    color: #888;
    line-height: 1.4;
}

/* 已保存网址列表 */
.saved-sites {
    margin-top: 40px;
}

.saved-sites h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.saved-sites h3 span {
    color: #888;
    font-weight: normal;
    font-size: 14px;
}

.sites-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.site-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.site-item .icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #f1404b, #ff6b6b);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

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

.site-item .info h4 {
    font-size: 14px;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-item .info p {
    font-size: 12px;
    color: #666;
}

.site-item .info .category {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(241, 64, 75, 0.2);
    color: #f1404b;
    border-radius: 4px;
    font-size: 11px;
    margin-top: 5px;
}

.site-item .actions {
    display: flex;
    gap: 8px;
}

.site-item .actions button {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.site-item .actions .btn-edit {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.site-item .actions .btn-delete {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.site-item .actions button:hover {
    transform: scale(1.1);
}

/* Toast提示 */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 15px 25px;
    background: #10b981;
    color: #fff;
    border-radius: 10px;
    font-size: 14px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.error {
    background: #ef4444;
}

/* 响应式 */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu {
        flex-direction: row;
        overflow-x: auto;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}