/* 基础样式 */
.keyword-group {
    transition: all 0.3s ease;
}

/* 加载动画 */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    z-index: 1000;
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; }
}

/* 智能仿写模式切换样式 */
.mode-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.mode-btn {
    padding: 8px 16px;
    border: 2px solid #e5e7eb;
    background-color: #ffffff;
    color: #6b7280;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.mode-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}

.mode-btn.active {
    border-color: #3b82f6;
    background-color: #3b82f6;
    color: #ffffff;
}

.mode-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.mode-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #6b7280;
    font-style: italic;
}