/* Ankui - Pre-Change Risk Intelligence for Cisco IOS */
/* Phase 6: Simple, functional CSS - no frameworks */

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #f5f7fa;
    --color-surface: #ffffff;
    --color-text: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #6b7280;
    --color-secondary-hover: #4b5563;
    --color-tertiary: #9ca3af;

    /* Risk colors */
    --color-risk-low: #10b981;
    --color-risk-medium: #f59e0b;
    --color-risk-high: #ef4444;

    /* Semantic colors */
    --color-error-bg: #fef2f2;
    --color-error-border: #fecaca;
    --color-error-text: #991b1b;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);

    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

header .tagline {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* Main content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Error container */
.error-container {
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.error-container.hidden {
    display: none;
}

.error-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.error-code {
    font-weight: 600;
    color: var(--color-error-text);
    font-family: var(--font-mono);
}

.error-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-error-text);
    line-height: 1;
}

.error-close:hover {
    opacity: 0.7;
}

.error-message {
    color: var(--color-error-text);
    margin-bottom: var(--spacing-sm);
}

.error-details {
    margin-top: var(--spacing-sm);
}

.error-details summary {
    cursor: pointer;
    color: var(--color-error-text);
    font-size: 0.875rem;
}

.error-details-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Config section */
.config-section {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Config panels - side by side */
.config-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 900px) {
    .config-panels {
        grid-template-columns: 1fr;
    }
}

.config-panel h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.file-upload {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.file-upload label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.file-upload input[type="file"] {
    font-size: 0.875rem;
}

.config-panel textarea {
    width: 100%;
    height: 300px;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    resize: vertical;
    background-color: #fafafa;
}

.config-panel textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.char-count {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: right;
    margin-top: var(--spacing-xs);
}

.char-count.over-limit {
    color: var(--color-risk-high);
    font-weight: 600;
}

/* Context panel */
.context-panel {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.context-panel h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.context-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.context-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.context-field select,
.context-field input[type="text"],
.context-field input[type="datetime-local"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background-color: var(--color-surface);
}

.context-field select:focus,
.context-field input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.context-field textarea {
    width: 100%;
    height: 80px;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    resize: vertical;
}

.checkbox-field label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, opacity 0.2s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-secondary-hover);
}

.btn-tertiary {
    background-color: transparent;
    color: var(--color-secondary);
    border: 1px solid var(--color-border);
}

.btn-tertiary:hover:not(:disabled) {
    background-color: var(--color-bg);
}

/* Spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner.hidden {
    display: none;
}

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

/* Results section */
.results-section {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

.results-section.hidden {
    display: none;
}

.results-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

/* Risk summary */
.risk-summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.risk-badge {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.risk-badge .risk-level {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
}

.risk-badge.risk-low {
    background-color: var(--color-risk-low);
}

.risk-badge.risk-medium {
    background-color: var(--color-risk-medium);
}

.risk-badge.risk-high {
    background-color: var(--color-risk-high);
}

.risk-details {
    flex: 1;
}

.risk-stat {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.risk-stat label {
    font-weight: 500;
    color: var(--color-text-muted);
    min-width: 120px;
}

.risk-stat span {
    font-weight: 500;
}

.recommendation {
    text-transform: uppercase;
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.recommendation.proceed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-risk-low);
}

.recommendation.escalate,
.recommendation.review {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-risk-medium);
}

.recommendation.abort {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-risk-high);
}

.analysis-id {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Change summary */
.change-summary {
    margin-bottom: var(--spacing-xl);
}

.change-summary h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.change-summary p {
    color: var(--color-text);
    line-height: 1.7;
}

/* Diff summary */
.diff-summary {
    margin-bottom: var(--spacing-xl);
}

.diff-summary h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.diff-item {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.diff-item .count {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.diff-item .label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Findings */
.findings {
    margin-top: var(--spacing-xl);
}

.findings h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.findings h3 span {
    color: var(--color-text-muted);
    font-weight: 400;
}

#findings-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.finding-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.finding-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.finding-title {
    font-weight: 600;
    font-size: 1rem;
}

.finding-meta {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.severity-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.severity-badge.low {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-risk-low);
}

.severity-badge.medium {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-risk-medium);
}

.severity-badge.high {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-risk-high);
}

.confidence-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.finding-body {
    padding: var(--spacing-md);
}

.finding-section {
    margin-bottom: var(--spacing-md);
}

.finding-section:last-child {
    margin-bottom: 0;
}

.finding-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.finding-section p {
    color: var(--color-text);
    line-height: 1.6;
}

.affected-elements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.affected-element {
    background-color: var(--color-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.technical-details {
    margin-top: var(--spacing-sm);
}

.technical-details summary {
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) 0;
}

.technical-details pre {
    background-color: #1a1a2e;
    color: #e5e7eb;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.no-findings {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
}

.no-findings .checkmark {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* Footer */
footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Download buttons group */
.download-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.download-buttons h4 {
    width: 100%;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.btn-download {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-download svg,
.btn-download .icon {
    width: 16px;
    height: 16px;
}

/* Summary preview section */
.summary-preview {
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
}

.summary-preview h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.summary-preview-toggle {
    font-size: 0.875rem;
    color: var(--color-primary);
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.summary-preview-toggle:hover {
    text-decoration: underline;
}

.summary-preview-content {
    background-color: #1a1a2e;
    color: #e5e7eb;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.5;
    white-space: pre-wrap;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}

.summary-preview-content.collapsed {
    max-height: 200px;
}

/* Copy button for summary */
.copy-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
}

.copy-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.summary-preview-wrapper {
    position: relative;
}

/* Report info badge */
.report-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
}

.report-info-item {
    display: flex;
    gap: var(--spacing-xs);
}

.report-info-item label {
    color: var(--color-text-muted);
    font-weight: 500;
}

.report-info-item span {
    font-family: var(--font-mono);
    color: var(--color-text);
}

/* LLM Settings Panel */
.llm-panel {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.llm-panel h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.llm-description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.api-key-field {
    grid-column: 1 / -1;
}

.api-key-field input {
    width: 100%;
}

.api-key-notice {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* LLM Warning Banner */
.llm-warning-banner {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.llm-warning-banner .warning-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: #f59e0b;
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.llm-warning-banner span:last-child {
    color: #92400e;
    font-size: 0.875rem;
}

/* Utility classes */
.hidden {
    display: none !important;
}