/* 日常点滴样式 */
.upload-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.upload-container h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.upload-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 上传区域 */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    margin-bottom: 2rem;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(79, 70, 229, 0.05);
}

.upload-placeholder i {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.upload-placeholder h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-placeholder p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 预览区域 */
.preview-area {
    margin-bottom: 2rem;
}

.preview-area h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.preview-item {
    position: relative;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.preview-item img,
.preview-item video {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.preview-item video {
    background: var(--dark-color);
}

.remove-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.remove-btn:hover {
    background: var(--danger-color);
}

/* 表单样式 */
.upload-form {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    resize: vertical;
    min-height: 100px;
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* 标签样式 */
.tags-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tag-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-pill {
    background: var(--light-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.tag-pill:hover,
.tag-pill.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

#customTag {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.9rem;
}

.btn-add-tag {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-add-tag:hover {
    background: #059669;
}

/* 心情选择器 */
.mood-selector {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.mood-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.mood-option:hover {
    background: var(--light-color);
}

.mood-option input[type="radio"] {
    display: none;
}

.mood-option input[type="radio"]:checked + .mood-icon + .mood-text {
    color: var(--primary-color);
    font-weight: 600;
}

.mood-option input[type="radio"]:checked ~ .mood-icon {
    transform: scale(1.2);
}

.mood-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    transition: transform 0.3s;
}

.mood-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 表单操作按钮 */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* 上传进度 */
.upload-progress {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    text-align: center;
    margin-top: 2rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--light-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
    width: 0%;
}

#progressText {
    color: var(--text-secondary);
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .upload-container {
        padding: 1rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-placeholder i {
        font-size: 3rem;
    }
    
    .preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.5rem;
    }
    
    .preview-item img,
    .preview-item video {
        height: 120px;
    }
    
    .mood-selector {
        justify-content: center;
    }
    
    .mood-option {
        padding: 0.5rem;
    }
    
    .mood-icon {
        font-size: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn-primary,
    .form-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .upload-container {
        padding: 0.5rem;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .preview-item img,
    .preview-item video {
        height: 100px;
    }
    
    .tag-pills {
        gap: 0.25rem;
    }
    
    .tag-pill {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* 动画效果 */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.upload-area.uploading {
    animation: pulse 1s infinite;
    border-color: var(--primary-color);
}

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

.preview-item {
    animation: fadeIn 0.3s ease-out;
}