/* Generator Layout */
.checklist-generator {
    margin-bottom: 2rem;
}

.generator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Configuration Panel */
.config-panel {
    background: #ffffff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

.panel-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.panel-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: #111827;
}

.panel-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

.label-text {
    flex: 1;
}

.label-icon {
    font-size: 1.125rem;
    margin-left: 0.5rem;
}

.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.875rem;
    background: #ffffff;
    color: #111827;
    transition: all 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

.form-select:hover {
    border-color: #9ca3af;
}

.form-select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.checkbox-item:hover {
    background-color: #f3f4f6;
}

.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    background: #ffffff;
    position: relative;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom {
    background: #3b82f6;
    border-color: #3b82f6;
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label {
    font-size: 0.875rem;
    color: #374151;
    user-select: none;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.btn-primary,
.btn-secondary,
.btn-outline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.btn-primary {
    background: #3b82f6;
    color: #ffffff;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: #6b7280;
    color: #ffffff;
}

.btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.btn-outline {
    background: transparent;
    color: #6b7280;
    border: 1px solid #d1d5db;
}

.btn-outline:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    color: #374151;
}

.btn-icon {
    font-size: 1rem;
}

/* Output Panel */
.output-panel {
    background: #ffffff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
}

.output-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.output-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem;
    color: #9ca3af;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.output-placeholder h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #374151;
    margin: 0 0 0.5rem 0;
}

.output-placeholder p {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
    max-width: 300px;
}

.output-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.output-textarea-wrapper {
    flex: 1;
    position: relative;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    background: #f9fafb;
}

.output-textarea {
    width: 100%;
    height: 100%;
    min-height: 400px;
    padding: 1rem;
    border: none;
    background: transparent;
    
    font-size: 0.8125rem;
    line-height: 1.6;
    color: #111827;
    resize: none;
    outline: none;
}

.output-textarea:focus {
    outline: none;
}

.output-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid #d1d5db;
    background: #ffffff;
    color: #374151;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-action:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    transform: translateY(-1px);
}

.btn-action .btn-icon {
    font-size: 0.875rem;
}

/* Stats Card */
.stats-card {
    background: #f9fafb;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #e5e7eb;
}

.stats-header {
    margin-bottom: 1rem;
}

.stats-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .generator-layout {
        grid-template-columns: 1fr;
    }

    .output-textarea {
        min-height: 300px;
    }
}

@media (max-width: 767px) {
    .config-panel,
    .output-panel {
        padding: 1rem;
    }

    .panel-header h2 {
        font-size: 1.25rem;
    }

    .form-select {
        padding: 0.625rem 0.875rem;
        padding-right: 2.25rem;
    }

    .checkbox-group {
        padding: 0.75rem;
    }

    .action-buttons {
        gap: 0.5rem;
    }

    .btn-primary,
    .btn-secondary,
    .btn-outline {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }

    .output-textarea {
        min-height: 250px;
        font-size: 0.75rem;
        padding: 0.75rem;
    }

    .output-actions {
        flex-direction: column;
    }

    .btn-action {
        width: 100%;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    .placeholder-icon {
        font-size: 3rem;
    }

    .output-placeholder {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .generator-layout {
        gap: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    color: #6b7280;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Success Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-content {
    animation: fadeIn 0.3s ease;
}