#quanjiao-container {
    max-width: 1200px;
    margin: 0 auto;
}

#quanjiao-container .section-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

#quanjiao-container .settings-card {
    flex: 1;
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    min-width: 0;
}

#quanjiao-container .preview-card {
    flex: 1;
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

#quanjiao-container .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e5e7eb;
}

#quanjiao-container .card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
}

#quanjiao-container .card-header-right-btn-load {
    padding: 6px 14px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

#quanjiao-container .card-header-right-btn-load:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(139, 92, 246, 0.3);
}

#quanjiao-container .card-header-right-btn-clear {
    padding: 6px 14px;
    background: #f3f4f6;
    color: #6b7280;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

#quanjiao-container .card-header-right-btn-clear:hover {
    background: #e5e7eb;
    color: #374151;
}

#quanjiao-container .header-btns {
    display: flex;
    gap: 8px;
}

/* Form elements */
#quanjiao-container .setting-item {
    margin-bottom: 16px;
}

#quanjiao-container .setting-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
}

#quanjiao-container .form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s;
    line-height: 1.6;
}

#quanjiao-container .form-textarea:focus {
    border-color: #8b5cf6;
}

#quanjiao-container .form-textarea::placeholder {
    color: #9ca3af;
}

#quanjiao-container .sort-stats {
    margin-top: 8px;
    font-size: 12px;
    color: #6b7280;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 6px;
    padding: 6px 12px;
}

#quanjiao-container .sort-stats strong {
    color: #059669;
}

#quanjiao-container .divider {
    height: 1px;
    background: #e5e7eb;
    margin: 16px 0;
}

#quanjiao-container .btn-container-center {
    display: flex;
    justify-content: center;
}

#quanjiao-container .btn-purple {
    padding: 10px 28px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

#quanjiao-container .btn-purple:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

#quanjiao-container .btn-purple:disabled {
    background: #d1d5db;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Result area */
#quanjiao-container .result-area {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#quanjiao-container .result-text-output {
    flex: 1;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 14px 16px;
    background: #fafafa;
    min-height: 160px;
    max-height: 300px;
    overflow-y: auto;
    cursor: pointer;
    transition: border-color 0.2s;
}

#quanjiao-container .result-text-output:hover {
    border-color: #8b5cf6;
}

#quanjiao-container .result-content {
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    color: #374151;
    line-height: 1.8;
    word-break: break-all;
}

/* Empty state */
#quanjiao-container .empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: #9ca3af;
    text-align: center;
}

#quanjiao-container .empty-state-icon {
    font-size: 42px;
    margin-bottom: 12px;
    opacity: 0.6;
}

#quanjiao-container .empty-state-desc {
    font-size: 13px;
    color: #9ca3af;
    line-height: 1.5;
}

/* Info section */
.info-section {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
}

.info-box {
    flex: 1;
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 16px 20px;
}

.info-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 10px 0;
}

.info-box p {
    font-size: 13px;
    color: #6b7280;
    margin: 0 0 10px 0;
    line-height: 1.6;
}

.info-box ul {
    margin: 0;
    padding-left: 18px;
}

.info-box li {
    font-size: 12px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    #quanjiao-container .section-row {
        flex-direction: column;
    }

    #quanjiao-container .settings-card,
    #quanjiao-container .preview-card {
        flex: none;
        width: 100%;
    }

    .info-section {
        flex-direction: column;
    }

    #quanjiao-container .result-text-output {
        min-height: 120px;
    }
}