/* 基础样式 */
:root {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --bg-color: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    padding: 2rem 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 顶部信息区 */
header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.time {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.weather {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 搜索区 */
.search-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.search-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.search-selector {
    position: relative;
}

.engine-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background-color: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.engine-button:hover {
    border-color: var(--primary);
}

.engine-button img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.engine-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    z-index: 100;
    overflow: hidden;
}

.engine-dropdown ul {
    list-style: none;
}

.engine-dropdown li {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.engine-dropdown li:hover {
    background-color: #f1f5f9;
}

.engine-dropdown li img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

#search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

#search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-btn {
    padding: 0.75rem 1.25rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: var(--primary-light);
}

/* 右上角管理入口 */
.admin-link {
    position: fixed;
    top: 1rem;
    right: 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background-color: white;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    text-decoration: none;
    transition: var(--transition);
    z-index: 50;
}

.admin-link:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* 分类导航区 */
.empty-tip {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
}

/* 弹窗 */
.modal {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal-content {
    width: 90%;
    max-width: 380px;
    background-color: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.modal-content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.modal-content label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.modal-content input {
    padding: 0.6rem 0.8rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    margin-bottom: 0.6rem;
}

.modal-content input:focus {
    outline: none;
    border-color: var(--primary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.nav-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.categories button {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 999px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.categories button.bg-primary {
    background-color: var(--primary);
    color: white;
}

.categories button.bg-gray-100 {
    background-color: #f1f5f9;
    color: var(--text-primary);
}

.categories button:hover {
    transform: translateY(-2px);
}

.nav-links {
    width: 100%;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.grid-container a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: white;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.grid-container a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.grid-container a img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
}

.grid-container a span {
    font-size: 0.95rem;
    font-weight: 500;
}

/* 页脚 */
footer {
    text-align: center;
    margin-top: auto;
    padding: 1.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 工具类 */
.hidden {
    display: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem 0;
        gap: 1.5rem;
    }

    .time {
        font-size: 1.25rem;
    }

    .weather {
        font-size: 1rem;
    }

    .search-container {
        flex-wrap: wrap;
    }

    .search-selector {
        width: 100%;
    }

    .engine-button {
        width: 100%;
        justify-content: center;
    }

    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}