:root {
    --primary-color: #4285f4;
    --primary-light: #e8f0fe;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --yellow-color: #fbbc05;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #757575;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    background-color: #f9f9f9;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 15px 15px 0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 10px 15px;
    border-bottom: 1px solid var(--medium-gray);
}

.header-left {
    flex: 1;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

header h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    white-space: nowrap;
}

.weather-widget {
    display: flex;
    align-items: center;
    gap: 15px;
    background: white;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.time-display {
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--text-color);
    white-space: nowrap;
}

#current-weather {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    white-space: nowrap;
}

#weather-icon {
    font-size: 1.1rem;
}

#weather-temp {
    font-weight: bold;
    color: var(--primary-color);
}

#weather-city {
    color: var(--dark-gray);
    font-size: 0.85rem;
}

.forecast-container {
    display: flex;
    gap: 10px;
}

.forecast-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.8rem;
    padding: 0 5px;
}

.forecast-day i {
    font-size: 0.9rem;
    margin: 2px 0;
}

.forecast-day .temp {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 0.85rem;
}

.admin-controls {
    display: flex;
    gap: 5px;
}

.admin-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.admin-btn:hover {
    background-color: #3367d6;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 5px;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background-color: white;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    transition: var(--transition);
    overflow-y: auto;
}

.mobile-menu.show {
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--medium-gray);
    font-weight: bold;
    background-color: var(--primary-color);
    color: white;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
}

#mobile-category-list {
    list-style: none;
    padding: 10px 0;
}

#mobile-category-list li {
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition);
}

#mobile-category-list li:hover {
    background-color: var(--light-gray);
}

#mobile-category-list li.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.hidden {
    display: none !important;
}

.main-content {
    display: flex;
    gap: 15px;
}

.sidebar {
    width: 220px;
    background-color: white;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    box-shadow: var(--box-shadow);
    padding: 15px;
    margin-left: -15px;
}

.content {
    flex-grow: 1;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px;
    min-height: 300px;
}

#category-list {
    list-style: none;
    margin-bottom: 15px;
}

#category-list li {
    padding: 10px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#category-list li:hover {
    background-color: var(--light-gray);
}

#category-list li.active {
    background-color: var(--primary-color);
    color: white;
}

#category-list li .edit-category {
    opacity: 0;
    transition: var(--transition);
    color: var(--dark-gray);
    font-size: 0.8rem;
}

#category-list li:hover .edit-category {
    opacity: 1;
}

#category-list li.active .edit-category {
    color: white;
}

#links-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 15px;
}

.link-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-color);
    position: relative;
}

.link-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: var(--primary-light);
}

.link-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.link-name {
    text-align: center;
    font-size: 0.85rem;
    word-break: break-word;
    width: 100%;
}

.edit-link-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    border: none;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    font-size: 0.7rem;
}

.link-item:hover .edit-link-btn {
    opacity: 1;
}

.edit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 100%;
    margin-top: 10px;
}

.edit-btn:hover {
    background-color: #3367d6;
}

footer {
    text-align: center;
    margin-top: 20px;
    padding: 15px;
    color: var(--dark-gray);
    font-size: 0.85rem;
    border-top: 1px solid var(--medium-gray);
    margin-left: 15px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    overflow-y: auto;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 400px;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
}

.modal input, .modal select {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 0.9rem;
}

.modal input:focus, .modal select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.2);
}

.modal-buttons {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 15px;
}

.save-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: bold;
    flex: 1;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 0.9rem;
}

.save-btn:hover {
    background-color: #3367d6;
}

.delete-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: bold;
    flex: 1;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 0.9rem;
}

.delete-btn:hover {
    background-color: #d33426;
}

.close {
    color: var(--dark-gray);
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--text-color);
    transform: rotate(90deg);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .container {
        padding: 15px;
    }
    
    header {
        padding-left: 0;
    }
    
    .sidebar {
        margin-left: 0;
        border-radius: var(--border-radius);
    }
    
    footer {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .header-right {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .weather-widget {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .mobile-menu-btn {
        display: block;
        position: absolute;
        left: 15px;
        top: 15px;
    }
    
    header h1 {
        margin-left: 40px;
        font-size: 1.5rem;
    }
    
    .sidebar {
        display: none;
    }
    
    .mobile-hidden {
        display: none;
    }
    
    #links-container {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }
    
    .link-item {
        padding: 10px;
    }
    
    .link-icon {
        font-size: 1.5rem;
    }
    
    .link-name {
        font-size: 0.8rem;
    }
    
    .modal-content {
        margin: 20px auto;
        width: 95%;
    }
}

@media (max-width: 480px) {
    #links-container {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    
    .forecast-container {
        gap: 5px;
    }
    
    .forecast-day {
        min-width: 45px;
        font-size: 0.75rem;
    }
    
    .forecast-day i {
        font-size: 0.8rem;
    }
    
    .forecast-day .temp {
        font-size: 0.75rem;
    }
    
    .admin-btn {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}