/**
 * PQCrypta Security Systems - Dark Mode Stylesheet
 * Technical precision with quantum-inspired visual aesthetics
 */

/* ===== CSS Variables ===== */
:root {
    /* Dark Mode Color Palette */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(26, 26, 36, 0.8);
    --bg-card-hover: rgba(30, 30, 42, 0.95);

    /* Accent Colors */
    --accent-primary: #00ff88;
    --accent-secondary: #00ccff;
    --accent-tertiary: #ff00ff;
    --accent-warning: #ffaa00;
    --accent-danger: #ff3366;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8b8d0;
    --text-tertiary: #8888aa;
    --text-muted: #606080;

    /* Border & Shadow */
    --border-color: rgba(100, 200, 255, 0.2);
    --border-hover: rgba(0, 255, 136, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Animation Timing */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    background: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    cursor: none;
}

::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ===== Mouse Trail Canvas ===== */
#mouseTrailCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.8;
}

/* ===== Container ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

/* ===== Header ===== */
.security-header {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.security-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--accent-primary) 20%,
        var(--accent-secondary) 50%,
        var(--accent-primary) 80%,
        transparent
    );
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

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

.security-badge {
    font-size: 4rem;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.5));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.title-group h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.stats-pill {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent-primary);
    border-radius: 50px;
    padding: var(--spacing-sm) var(--spacing-md);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-unit {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.tech-stack {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
}

.tech-badge.rust {
    background: rgba(255, 100, 50, 0.2);
    border: 1px solid rgba(255, 100, 50, 0.5);
    color: #ff6432;
}

.tech-badge.python {
    background: rgba(100, 150, 255, 0.2);
    border: 1px solid rgba(100, 150, 255, 0.5);
    color: #6496ff;
}

.tech-badge.ml {
    background: rgba(255, 0, 255, 0.2);
    border: 1px solid rgba(255, 0, 255, 0.5);
    color: #ff00ff;
}

.tech-badge.quantum {
    background: rgba(0, 255, 136, 0.2);
    border: 1px solid rgba(0, 255, 136, 0.5);
    color: #00ff88;
}

/* ===== Sections ===== */
section {
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--accent-secondary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-secondary), transparent);
}

/* ===== Security Enhancement Notice ===== */
.security-notice {
    background: linear-gradient(135deg, rgba(255, 170, 0, 0.1), rgba(255, 200, 0, 0.05));
    border: 2px solid var(--accent-warning);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 4px 16px rgba(255, 170, 0, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.security-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 170, 0, 0.1), transparent);
    animation: notice-shimmer 3s ease-in-out infinite;
}

@keyframes notice-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.notice-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.notice-icon {
    font-size: 3rem;
    filter: drop-shadow(0 0 15px var(--accent-warning));
    animation: notice-pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes notice-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.notice-text h3 {
    color: var(--accent-warning);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.notice-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
}

/* ===== Executive Summary ===== */
.executive-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.summary-card {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    border-left: 4px solid;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.summary-card:hover::before {
    opacity: 1;
}

.summary-card.critical {
    border-left-color: var(--accent-primary);
}

.summary-card.high {
    border-left-color: var(--accent-secondary);
}

.summary-card.medium {
    border-left-color: var(--accent-warning);
}

.summary-card.info {
    border-left-color: var(--accent-tertiary);
}

.summary-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 10px currentColor);
}

.card-content h3 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.metric {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
}

.description {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== Security System Sections ===== */
.security-system {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    position: relative;
}

.security-system::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--accent-primary),
        transparent
    );
}

.system-header {
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-lg);
}

.system-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.system-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-primary);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.3);
}

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

.file-path {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-tertiary);
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
}

.line-count {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.lang-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.lang-badge.rust {
    background: rgba(255, 100, 50, 0.2);
    color: #ff6432;
}

.lang-badge.python {
    background: rgba(100, 150, 255, 0.2);
    color: #6496ff;
}

/* ===== Technical Overview ===== */
.technical-overview {
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.technical-overview h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.code-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-item .stat-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item .stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.highlight-green {
    color: var(--accent-primary);
}

.highlight-blue {
    color: var(--accent-secondary);
}

.highlight-yellow {
    color: var(--accent-warning);
}

/* ===== Feature Cards ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-card.full-width-card {
    grid-column: 1 / -1;
}

.feature-card, .model-card, .auth-card, .monitor-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.feature-card:hover, .model-card:hover, .auth-card:hover, .monitor-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-card h4, .model-card h4, .auth-card h4, .monitor-card h4 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.0rem;
}

.tech-list, .detection-list, .feature-list, .insight-list, .metric-list {
    list-style: none;
}

.tech-item {
    display: inline-block;
    background: rgba(0, 200, 255, 0.1);
    color: var(--accent-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    margin: var(--spacing-xs) 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.tech-desc {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    margin: var(--spacing-xs) 0 var(--spacing-md) 0;
}

.detection-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detection-item:last-child {
    border-bottom: none;
}

.detector-name {
    color: var(--text-primary);
    font-weight: 600;
}

.detector-range, .detector-desc {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.feature-list li, .insight-list li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before, .insight-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* ===== Two Column Grid Layout ===== */
.two-column-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 968px) {
    .two-column-grid {
        grid-template-columns: 1fr;
    }
}

.feature-list li strong {
    color: var(--accent-secondary);
}

/* ===== Progressive Challenge System ===== */
.challenge-flow {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    padding: var(--spacing-md);
}

.challenge-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    min-width: 140px;
    transition: all var(--transition-normal);
}

.challenge-step:hover {
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    color: var(--bg-primary);
    font-weight: 700;
}

.step-name {
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-secondary);
}

.challenge-arrow {
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

/* ===== Device Fingerprinting Grid ===== */
.fingerprint-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-sm);
}

.fp-item {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    padding: var(--spacing-sm);
    border-radius: 6px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.fp-item:hover {
    background: rgba(0, 255, 136, 0.2);
    transform: scale(1.05);
}

/* ===== Code Examples ===== */
.code-example {
    margin: var(--spacing-lg) 0;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.code-example h4 {
    background: rgba(0, 0, 0, 0.6);
    padding: var(--spacing-md);
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
}

pre {
    margin: 0;
    padding: var(--spacing-lg);
    overflow-x: auto;
    position: relative;
}

pre code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-primary);
    display: block;
}

/* Syntax Highlighting */
code .keyword {
    color: #ff6432;
    font-weight: 600;
}

code .type {
    color: #00ccff;
}

code .string {
    color: #00ff88;
}

code .comment {
    color: var(--text-muted);
    font-style: italic;
}

code .operator {
    color: #ffaa00;
}

/* Copy Button */
.copy-code-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 255, 136, 0.2);
    border: 1px solid var(--accent-primary);
    border-radius: 6px;
    color: var(--accent-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-code-btn:hover {
    background: rgba(0, 255, 136, 0.3);
    transform: scale(1.05);
}

.copy-code-btn.copied {
    background: rgba(0, 255, 136, 0.4);
    border-color: var(--accent-primary);
}

/* ===== ML Models ===== */
.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.model-specs {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.spec-row {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-row:last-child {
    border-bottom: none;
}

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

.spec-value {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

.model-purpose {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    line-height: 1.6;
}

/* ===== Threat Categories ===== */
.threat-categories {
    margin: var(--spacing-lg) 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.threat-cat {
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.threat-cat:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.threat-cat.quantum {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--accent-primary);
}

.threat-cat.classical, .threat-cat.sidechannel {
    background: rgba(0, 200, 255, 0.1);
    border: 1px solid rgba(0, 200, 255, 0.3);
    color: var(--accent-secondary);
}

.threat-cat.protocol, .threat-cat.implementation {
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.3);
    color: var(--accent-warning);
}

.threat-cat.social, .threat-cat.insider {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid rgba(255, 51, 102, 0.3);
    color: var(--accent-danger);
}

.threat-cat.apt, .threat-cat.zeroday, .threat-cat.ddos {
    background: rgba(255, 0, 255, 0.1);
    border: 1px solid rgba(255, 0, 255, 0.3);
    color: var(--accent-tertiary);
}

/* ===== Feature Extractors ===== */
.feature-extractors {
    margin: var(--spacing-lg) 0;
}

.extractor-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.extractor {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-normal);
}

.extractor:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.extractor-num {
    position: absolute;
    top: -12px;
    left: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-primary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
}

.extractor h5 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.0rem;
}

.extractor p {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ===== Monitoring Cards ===== */
.monitoring-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.metric-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-name {
    color: var(--text-primary);
    font-weight: 500;
}

.metric-source {
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.alert-config {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.alert-config p {
    margin-bottom: var(--spacing-xs);
}

.alert-config strong {
    color: var(--accent-primary);
}

/* ===== Architecture ===== */
.training-architecture {
    margin: var(--spacing-lg) 0;
}

.architecture-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.arch-component {
    background: rgba(0, 200, 255, 0.05);
    border: 1px solid rgba(0, 200, 255, 0.2);
    border-radius: 12px;
    padding: var(--spacing-lg);
}

.arch-component h5 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.arch-component ul {
    list-style: none;
}

.arch-component li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: var(--spacing-xs) 0;
    padding-left: 1.2rem;
    position: relative;
}

.arch-component li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

/* ===== Integration Summary ===== */
.integration-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.integration-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.integration-layer {
    background: linear-gradient(135deg,
        rgba(0, 255, 136, 0.1),
        rgba(0, 200, 255, 0.1)
    );
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 800px;
    text-align: center;
    transition: all var(--transition-normal);
}

.integration-layer:hover {
    border-color: var(--accent-primary);
    transform: scale(1.02);
}

.integration-layer h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

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

.layer-arrow {
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: 700;
}

.ml-integration, .database-integration {
    margin: var(--spacing-lg) 0;
}

.ml-integration h3, .database-integration h3 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-md);
}

.integration-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.point {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.point:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.point-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.point h4 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.point p {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.db-list {
    list-style: none;
}

.db-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.db-list li:last-child {
    border-bottom: none;
}

.db-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.db-list li strong {
    color: var(--accent-secondary);
}

/* ===== Technical Specs ===== */
.technical-specs {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.spec-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
}

.spec-card h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.spec-table td {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.spec-table td:first-child {
    font-weight: 500;
    color: var(--text-primary);
}

.spec-table td:last-child {
    text-align: right;
    font-family: var(--font-mono);
    font-weight: 600;
}

/* ===== Footer ===== */
.security-footer {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.footer-section h4 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.footer-section p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-legal {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== Animations ===== */
@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 currentColor;
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 10px 2px currentColor;
    }
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.4), transparent);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(10);
        opacity: 0;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .container {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .title-group h1 {
        font-size: 1.8rem;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .challenge-flow {
        flex-direction: column;
    }

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

    .integration-layer {
        max-width: 100%;
    }

    .metric {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .title-group h1 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .security-badge {
        font-size: 3rem;
    }

    pre code {
        font-size: 0.75rem;
    }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
}

/* ===== Quantum Music Player ===== */
.quantum-music-player {
    margin: 25px auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 480px;
}

.quantum-music-player audio {
    display: none;
}

.player-display {
    background: linear-gradient(135deg, rgba(10, 15, 30, 0.8), rgba(0, 255, 136, 0.05));
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 25px;
    padding: 20px 25px 15px 25px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px 0 rgba(0, 255, 136, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    display: grid;
    grid-template-columns: 60px 1fr 80px;
    grid-template-rows: 1fr auto;
    gap: 15px 20px;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.player-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.8s ease;
}

.player-display:hover::before {
    left: 100%;
}

.player-display:hover {
    box-shadow: 0 8px 32px 0 rgba(0, 255, 136, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

/* Quantum Visualizer */
.quantum-visualizer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

/* Beat Spectrum Analyzer */
.beat-spectrum-analyzer {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 95%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 6px 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.spectrum-line {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.02s linear;
    opacity: 0.6;
    transform-origin: center center;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(128, 128, 128, 0.2) 40%,
        rgba(128, 128, 128, 0.3) 50%,
        rgba(128, 128, 128, 0.2) 60%,
        transparent 100%);
}

/* Frequency range gradients - each line gets unique beautiful gradients */
.bass-line {
    background: linear-gradient(90deg, #8B0000, #DC143C, #FF6347, #FF4500, #DC143C, #8B0000);
    box-shadow: 0 0 3px rgba(220, 20, 60, 0.5);
}

.low-mid-line {
    background: linear-gradient(90deg, #FF1493, #FF69B4, #FFB6C1, #FF69B4, #FF1493);
    box-shadow: 0 0 3px rgba(255, 20, 147, 0.5);
}

.mid-line {
    background: linear-gradient(90deg, #32CD32, #00FF7F, #98FB98, #00FF7F, #32CD32);
    box-shadow: 0 0 3px rgba(50, 205, 50, 0.5);
}

.high-mid-line {
    background: linear-gradient(90deg, #00CED1, #40E0D0, #AFEEEE, #40E0D0, #00CED1);
    box-shadow: 0 0 3px rgba(0, 206, 209, 0.5);
}

.treble-line {
    background: linear-gradient(90deg, #1E90FF, #4169E1, #87CEEB, #4169E1, #1E90FF);
    box-shadow: 0 0 3px rgba(30, 144, 255, 0.5);
}

.high-line {
    background: linear-gradient(90deg, #9370DB, #8A2BE2, #DDA0DD, #8A2BE2, #9370DB);
    box-shadow: 0 0 3px rgba(147, 112, 219, 0.5);
}

.ultra-high-line {
    background: linear-gradient(90deg, #FF8C00, #FFA500, #FFD700, #FFA500, #FF8C00);
    box-shadow: 0 0 3px rgba(255, 140, 0, 0.5);
}

.presence-line {
    background: linear-gradient(90deg, #FF00FF, #DA70D6, #EE82EE, #DA70D6, #FF00FF);
    box-shadow: 0 0 3px rgba(255, 0, 255, 0.5);
}

.wave-bars {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 32px;
}

.wave-bars .bar {
    width: 3px;
    background: linear-gradient(to top, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    animation: quantumWave 1.5s ease-in-out infinite;
    opacity: 0.7;
    box-shadow: 0 0 6px currentColor;
}

.wave-bars .bar:nth-child(1) { height: 12px; animation-delay: -0.1s; }
.wave-bars .bar:nth-child(2) { height: 20px; animation-delay: -0.2s; }
.wave-bars .bar:nth-child(3) { height: 28px; animation-delay: -0.3s; }
.wave-bars .bar:nth-child(4) { height: 16px; animation-delay: -0.4s; }
.wave-bars .bar:nth-child(5) { height: 32px; animation-delay: -0.5s; }
.wave-bars .bar:nth-child(6) { height: 24px; animation-delay: -0.6s; }
.wave-bars .bar:nth-child(7) { height: 18px; animation-delay: -0.7s; }
.wave-bars .bar:nth-child(8) { height: 26px; animation-delay: -0.8s; }
.wave-bars .bar:nth-child(9) { height: 14px; animation-delay: -0.9s; }
.wave-bars .bar:nth-child(10) { height: 22px; animation-delay: -1.0s; }

@keyframes quantumWave {
    0%, 100% {
        transform: scaleY(0.4);
        opacity: 0.6;
    }
    50% {
        transform: scaleY(1);
        opacity: 1;
    }
}

/* Track Info */
.track-info {
    text-align: center;
    overflow: hidden;
}

.track-title {
    font-family: 'Orbitron', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    white-space: nowrap;
}

.track-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    opacity: 0.8;
    animation: subtitleGlow 3s ease-in-out infinite alternate;
}

@keyframes subtitleGlow {
    0% {
        opacity: 0.6;
        text-shadow: 0 0 5px rgba(255, 0, 128, 0.2);
    }
    100% {
        opacity: 0.9;
        text-shadow: 0 0 10px rgba(255, 0, 128, 0.4);
    }
}

/* Player Controls */
.player-controls {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.control-btn {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--accent-primary), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    opacity: 0;
}

.control-btn:hover::before {
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.control-btn:hover {
    background: rgba(0, 255, 136, 0.2);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
    transform: scale(1.1);
}

.control-btn:active {
    transform: scale(0.95);
}

.control-btn svg {
    width: 16px;
    height: 16px;
    fill: var(--accent-primary);
    z-index: 1;
    transition: all 0.2s ease;
}

.control-btn:hover svg {
    fill: var(--text-primary);
}

/* Hide pause icon by default */
.control-btn .pause-icon {
    display: none;
}

.control-btn.playing .play-icon {
    display: none;
}

.control-btn.playing .pause-icon {
    display: block;
}

/* Quantum Glow Ring */
.quantum-glow-ring {
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid transparent;
    border-radius: 29px;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary), #ff0080) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    animation: quantumRing 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes quantumRing {
    0%, 100% {
        opacity: 0;
        transform: rotate(0deg) scale(1);
    }
    25% {
        opacity: 0.6;
        transform: rotate(90deg) scale(1.02);
    }
    50% {
        opacity: 0.8;
        transform: rotate(180deg) scale(1.05);
    }
    75% {
        opacity: 0.4;
        transform: rotate(270deg) scale(1.02);
    }
}

@keyframes quantumFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0px) scale(0.8);
    }
    50% {
        opacity: 0.6;
        transform: translateY(-20px) scale(1.2);
    }
}

.quantum-particle {
    z-index: -1;
}