/* Security Page Specific Styles */

.security-content {
    max-width: 1200px;
    margin: 0 auto;
}

.security-hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 3rem 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
}

.security-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.security-hero .hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.badge-item {
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

/* Section Styling */
.security-section {
    padding: 2.5rem 2rem;
    margin-bottom: 1rem;
    border-radius: 12px;
}

.security-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-color);
}

.security-section.alt-bg {
    background: var(--bg-secondary);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Security Summary Grid */
.security-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.summary-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.summary-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.summary-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Crypto Stack Table */
.crypto-stack {
    margin-top: 2rem;
}

.crypto-stack h3 {
    margin-bottom: 1rem;
}

.crypto-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
}

.crypto-table th,
.crypto-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.crypto-table th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.crypto-table tr:last-child td {
    border-bottom: none;
}

/* Trust Model */
.trust-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.trust-zone {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
    border-radius: 12px;
    overflow: hidden;
}

.trust-zone.trusted {
    background: linear-gradient(135deg, #1a3d1a 0%, #0d1f0d 100%);
    border: 2px solid #2d6a2d;
}

.trust-zone.untrusted {
    background: linear-gradient(135deg, #3d1a1a 0%, #1f0d0d 100%);
    border: 2px solid #6a2d2d;
}

.zone-header {
    padding: 1rem;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
}

.zone-content {
    padding: 1rem;
}

.zone-item {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.zone-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.zone-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.trust-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.arrow-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.trust-assumptions {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.trust-assumptions h3 {
    margin-bottom: 1rem;
}

.trust-assumptions li {
    margin-bottom: 0.5rem;
}

/* Flow Diagram Detailed */
.flow-diagram-detailed {
    margin-top: 1rem;
}

.flow-diagram-detailed h3 {
    margin: 2rem 0 1rem 0;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.flow-step-detailed {
    background: var(--bg-tertiary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
}

.step-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    font-weight: 600;
}

.step-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.step-body {
    padding: 1rem;
}

.step-body p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.code-snippet {
    background: var(--bg-primary);
    border-radius: 6px;
    overflow: hidden;
}

.code-snippet pre {
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.flow-connector-v {
    width: 2px;
    height: 30px;
    background: var(--accent-color);
    margin: 0 auto;
}

/* Key Architecture */
.key-arch-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    margin-bottom: 2rem;
}

.key-tier {
    width: 100%;
    max-width: 600px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.key-tier.kek-tier {
    border-color: #6366f1;
}

.key-tier.dek-tier {
    border-color: #10b981;
}

.key-tier.data-tier {
    border-color: #f59e0b;
}

.tier-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
}

.tier-icon {
    font-size: 1.5rem;
}

.tier-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.tier-body {
    padding: 1rem;
    background: var(--bg-tertiary);
}

.tier-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.detail-item {
    font-size: 0.9rem;
}

.key-components {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.key-component {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 6px;
}

.component-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.component-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.key-arrow {
    padding: 1rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.key-benefits {
    margin-top: 2rem;
}

.key-benefits h3 {
    margin-bottom: 1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.benefit-card {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.benefit-card strong {
    display: block;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* HPKE Section */
.hpke-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hpke-config {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.config-table {
    width: 100%;
}

.config-table td {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.config-table tr:last-child td {
    border-bottom: none;
}

.hpke-diagram {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.diagram-box {
    background: var(--bg-primary);
    border-radius: 8px;
    overflow-x: auto;
}

.diagram-ascii {
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    line-height: 1.4;
    white-space: pre;
    margin: 0;
}

.hpke-properties {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.properties-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.property-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.property-icon {
    font-size: 1.5rem;
}

.property-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

.property-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Symmetric Encryption */
.cipher-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.cipher-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    position: relative;
}

.cipher-card.primary {
    border-color: var(--accent-color);
}

.cipher-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.cipher-badge.alt {
    background: var(--text-secondary);
}

.cipher-card h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.cipher-card ul {
    list-style: none;
    padding: 0;
}

.cipher-card li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.aead-structure {
    margin-bottom: 2rem;
}

.structure-diagram {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.structure-row {
    display: flex;
    margin-bottom: 1rem;
}

.structure-item {
    padding: 1rem;
    border-radius: 6px;
    text-align: center;
}

.structure-item.ciphertext-part {
    flex: 3;
    background: #3b82f6;
}

.structure-item.tag-part {
    flex: 1;
    background: #10b981;
}

.part-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.part-desc {
    font-size: 0.85rem;
    opacity: 0.9;
}

.structure-formula {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 6px;
}

.nonce-handling {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.nonce-info > p {
    color: #f59e0b;
    font-weight: 600;
    margin-bottom: 1rem;
}

.nonce-strategy {
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: 8px;
}

.nonce-strategy h4 {
    margin-bottom: 0.75rem;
}

/* Integrity Section */
.layers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.layer-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    position: relative;
}

.layer-num {
    position: absolute;
    top: -12px;
    left: 20px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    font-weight: 600;
}

.layer-card h4 {
    margin-bottom: 0.75rem;
    padding-top: 0.5rem;
}

.layer-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.layer-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-primary);
    border-radius: 6px;
    font-size: 0.85rem;
}

.check-icon {
    font-size: 1.2rem;
}

.blake3-section,
.bao-section {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.blake3-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.blake3-features .feature {
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.blake3-features .feature strong {
    display: block;
    margin-bottom: 0.5rem;
}

.blake3-features .feature p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.bao-diagram {
    background: var(--bg-primary);
    border-radius: 8px;
    overflow-x: auto;
}

/* Key Management */
.key-mgmt-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.key-generation,
.key-rotation,
.key-backup,
.key-zeroization {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.rotation-process {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rotation-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.rotation-num {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    flex-shrink: 0;
}

.rotation-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

.rotation-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.rotation-note {
    padding: 0.75rem;
    background: var(--bg-primary);
    border-left: 4px solid var(--accent-color);
    border-radius: 0 6px 6px 0;
    font-size: 0.9rem;
}

.backup-warning {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: #3d1a1a;
    border-radius: 8px;
    border: 1px solid #6a2d2d;
    margin-bottom: 1.5rem;
}

.warning-icon {
    font-size: 2rem;
}

.warning-content strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #f87171;
}

.warning-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.backup-options h4 {
    margin-bottom: 0.75rem;
}

.backup-options ul {
    list-style: none;
    padding: 0;
}

.backup-options li {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 6px;
}

.backup-options code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.zeroization-info ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.zeroization-info li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.zeroization-info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
}

/* Guarantees Section */
.guarantees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.guarantee-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1.5rem;
}

.guarantee-card.provided {
    border: 2px solid #10b981;
}

.guarantee-card.not-provided {
    border: 2px solid #f59e0b;
}

.guarantee-card h3 {
    margin-bottom: 1rem;
}

.guarantee-card ul {
    list-style: none;
    padding: 0;
}

.guarantee-card li {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.guarantee-card li:last-child {
    border-bottom: none;
}

/* Threat Model */
.threat-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.threat-category {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1.5rem;
}

.threat-category.protected {
    border: 2px solid #10b981;
}

.threat-category.not-protected {
    border: 2px solid #f59e0b;
}

.threat-category h3 {
    margin-bottom: 1rem;
}

.threat-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.threat-item {
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.threat-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.threat-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Best Practices */
.practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.practice-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.practice-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.practice-card h3 {
    margin-bottom: 1rem;
}

.practice-card ul {
    list-style: none;
    padding: 0;
}

.practice-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.9rem;
}

.practice-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Sharing Section */
.sharing-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sharing-overview,
.sharing-features,
.sharing-code,
.sharing-security {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.sharing-diagram {
    background: var(--bg-primary);
    border-radius: 8px;
    overflow-x: auto;
    margin-top: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.feature-item {
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.feature-item strong {
    display: block;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.sharing-security ul {
    list-style: none;
    padding: 0;
}

.sharing-security li {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.sharing-security li:last-child {
    border-bottom: none;
}

/* Key Rotation Section */
.rotation-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.rotation-overview,
.rotation-diagram,
.rotation-code,
.rotation-benefits {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.rotation-overview ul {
    list-style: none;
    padding: 0;
}

.rotation-overview li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.rotation-overview li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Metadata Privacy Section */
.privacy-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.privacy-overview,
.privacy-how,
.privacy-modes,
.privacy-code {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 10px;
}

.privacy-overview ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.privacy-overview li {
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-primary);
    border-radius: 6px;
}

.privacy-diagram {
    background: var(--bg-primary);
    border-radius: 8px;
    overflow-x: auto;
    margin-top: 1rem;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.mode-card {
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
}

.mode-card h4 {
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.mode-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.mode-card code {
    display: block;
    background: var(--bg-tertiary);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.mode-card.recommended {
    border-left: 3px solid #3fb950;
    background: linear-gradient(135deg, var(--bg-primary), rgba(63, 185, 80, 0.1));
}

.mode-card.recommended h4 {
    color: #3fb950;
}

.mode-card.recommended small {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Quantum-Safe Styling */
.quantum-note {
    background: linear-gradient(135deg, rgba(56, 139, 253, 0.1) 0%, rgba(136, 46, 224, 0.1) 100%);
    border: 1px solid rgba(56, 139, 253, 0.3);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.quantum-note strong {
    color: #58a6ff;
}

.highlight-row {
    background: linear-gradient(135deg, rgba(56, 139, 253, 0.15) 0%, rgba(136, 46, 224, 0.15) 100%);
}

.highlight-row td {
    font-weight: 500;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .security-hero h1 {
        font-size: 1.8rem;
    }

    .security-section {
        padding: 1.5rem 1rem;
    }

    .trust-diagram {
        flex-direction: column;
    }

    .trust-arrow {
        transform: rotate(90deg);
    }

    .diagram-ascii {
        font-size: 0.6rem;
    }

    .guarantees-grid,
    .threat-analysis {
        grid-template-columns: 1fr;
    }
}