/* Performance Analyzer Styles */
.performance-analyzer {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.analyzer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.input-panel,
.output-panel {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.input-panel:hover,
.output-panel:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.panel-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1.25rem 1.5rem;
    border-bottom: none;
}

.panel-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.panel-body {
    padding: 1.5rem;
}

/* Form Fields */
.form-field {
    margin-bottom: 1.5rem;
}

.form-field:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field-half {
    margin-bottom: 0;
}

.field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.field-select,
.field-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #111827;
    background-color: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.2s ease;
    
}

.field-select:focus,
.field-textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.field-textarea {
    resize: vertical;
    min-height: 200px;
}

.field-textarea[readonly] {
    background-color: #f9fafb;
    cursor: default;
}

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

.option-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: #374151;
    user-select: none;
}

.option-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #667eea;
}

.option-item span {
    flex: 1;
}

/* Buttons */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

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

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

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-outline {
    background-color: #ffffff;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background-color: #667eea;
    color: #ffffff;
    transform: translateY(-1px);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    transition: transform 0.2s ease;
}

.metric-item:hover {
    transform: translateY(-2px);
}

.metric-time {
    background: linear-gradient(135deg, #667eea 0%, #5a67d8 100%);
    color: #ffffff;
}

.metric-space {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
}

.metric-score {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #ffffff;
}

.metric-optimization {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff;
}

.metric-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.metric-content {
    flex: 1;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Analysis Summary */
.analysis-summary {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: 12px;
}

.summary-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0c4a6e;
    margin: 0 0 1rem 0;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.summary-label {
    font-size: 0.75rem;
    color: #0369a1;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: #0c4a6e;
}

.summary-issues {
    color: #dc2626;
}

.summary-optimizations {
    color: #d97706;
}

.summary-complexity {
    color: #0891b2;
}

.summary-performance {
    color: #059669;
}

.summary-recommendation {
    padding-top: 1rem;
    border-top: 1px solid #bae6fd;
    font-size: 0.9375rem;
    color: #0c4a6e;
}

.summary-recommendation strong {
    font-weight: 600;
    margin-right: 0.5rem;
}

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

@media (max-width: 768px) {
    .performance-analyzer {
        margin-top: 1.5rem;
    }

    .panel-body {
        padding: 1.25rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .action-buttons {
        flex-direction: column;
    }

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

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

@media (max-width: 480px) {
    .panel-header {
        padding: 1rem 1.25rem;
    }

    .panel-title {
        font-size: 1.125rem;
    }

    .panel-body {
        padding: 1rem;
    }

    .form-field {
        margin-bottom: 1.25rem;
    }

    .field-textarea {
        min-height: 150px;
    }

    .metric-item {
        padding: 0.75rem;
    }

    .metric-icon {
        font-size: 1.25rem;
    }

    .metric-value {
        font-size: 1.125rem;
    }
}