/* CVE-2025-55182 Checker - Hadrian-Inspired Dark Theme with Red Accent */

:root {
    /* Color Palette - Red/Crimson theme like Hadrian */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-elevated: #1a1a25;
    
    /* Primary accent is now RED (Hadrian style) */
    --accent-primary: #ff4757;
    --accent-secondary: #ff6b7a;
    --accent-glow: rgba(255, 71, 87, 0.3);
    
    --danger: #ff4757;
    --danger-glow: rgba(255, 71, 87, 0.3);
    --warning: #ffa502;
    --warning-glow: rgba(255, 165, 2, 0.3);
    --success: #2ed573;
    --success-glow: rgba(46, 213, 115, 0.3);
    --info: #70a1ff;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b80;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(255, 71, 87, 0.3);
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Grid Background - Red tinted */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 71, 87, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 71, 87, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.grid-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 50% 0%, rgba(255, 71, 87, 0.1) 0%, transparent 60%);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.logo-link:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(255, 0, 60, 0.5));
}

.hadrian-logo {
    height: 24px;
    width: auto;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--accent-primary);
}

/* Main Content */
.main {
    position: relative;
    z-index: 1;
    padding-top: 80px;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
}

.hero-content {
    max-width: 800px;
    width: 100%;
    text-align: center;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    color: var(--danger);
    margin-bottom: var(--spacing-lg);
    animation: pulse-badge 2s ease-in-out infinite;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes pulse-badge {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.2); }
    50% { box-shadow: 0 0 20px 5px rgba(255, 71, 87, 0.1); }
}

/* Title */
.title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), #ff8a9a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

/* Scanner Card */
.scanner-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: left;
}

.scanner-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.scanner-indicator {
    width: 10px;
    height: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
    animation: pulse-indicator 2s ease-in-out infinite;
}

@keyframes pulse-indicator {
    0%, 100% { box-shadow: 0 0 5px var(--accent-glow); }
    50% { box-shadow: 0 0 15px var(--accent-glow), 0 0 25px var(--accent-glow); }
}

.scanner-form {
    padding: var(--spacing-lg);
}

.input-group {
    display: flex;
    gap: var(--spacing-md);
}

.url-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.url-input::placeholder {
    color: var(--text-muted);
}

.url-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.scan-btn {
    position: relative;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.scan-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

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

.scan-btn.loading .btn-text {
    opacity: 0;
}

.scan-btn.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    opacity: 0;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.input-hint {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Results */
.results {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    animation: slideIn 0.3s ease;
}

.results.hidden {
    display: none;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.results-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

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

/* Status Banner */
.status-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.status-banner.vulnerable {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid rgba(255, 71, 87, 0.5);
    animation: pulse-vulnerable 2s ease-in-out infinite;
}

@keyframes pulse-vulnerable {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.2); }
    50% { box-shadow: 0 0 20px 5px rgba(255, 71, 87, 0.15); }
}

.status-banner.safe {
    background: rgba(46, 213, 115, 0.1);
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.status-banner.unknown {
    background: rgba(255, 165, 2, 0.1);
    border: 1px solid rgba(255, 165, 2, 0.3);
}

.status-banner.checking {
    background: rgba(112, 161, 255, 0.1);
    border: 1px solid rgba(112, 161, 255, 0.3);
}

.status-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.status-banner.vulnerable .status-icon {
    background: rgba(255, 71, 87, 0.2);
}

.status-banner.safe .status-icon {
    background: rgba(46, 213, 115, 0.2);
}

.status-banner.unknown .status-icon {
    background: rgba(255, 165, 2, 0.2);
}

.status-content {
    display: flex;
    flex-direction: column;
}

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

.status-banner.vulnerable .status-title { color: var(--danger); }
.status-banner.safe .status-title { color: var(--success); }
.status-banner.unknown .status-title { color: var(--warning); }

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

/* Indicators */
.indicators h4,
.version-info h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.indicator-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.indicator-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.indicator-icon {
    width: 20px;
    text-align: center;
}

.indicator-item.found { color: var(--danger); }
.indicator-item.not-found { color: var(--text-muted); }
.indicator-item.partial { color: var(--warning); }

.indicator-item {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.indicator-name {
    font-weight: 500;
}

.indicator-desc {
    flex-basis: 100%;
    margin-left: 28px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-display);
}

.severity-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.severity-badge.critical {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
    animation: pulse-critical 1.5s ease-in-out infinite;
}

@keyframes pulse-critical {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.4); }
    50% { box-shadow: 0 0 8px 2px rgba(255, 71, 87, 0.3); }
}

.severity-badge.high {
    background: rgba(255, 165, 2, 0.2);
    color: var(--warning);
}

.severity-badge.medium {
    background: rgba(112, 161, 255, 0.2);
    color: var(--info);
}

.severity-badge.info {
    background: rgba(160, 160, 176, 0.2);
    color: var(--text-secondary);
}

/* Version display */
.version-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.version-row code {
    font-family: var(--font-mono);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.version-row.vulnerable code {
    color: var(--danger);
}

.version-row.safe code {
    color: var(--success);
}

.vuln-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: pulse-danger 1.5s ease-in-out infinite;
}

.safe-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: rgba(46, 213, 115, 0.2);
    color: var(--success);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@keyframes pulse-danger {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.4); }
    50% { box-shadow: 0 0 10px 3px rgba(255, 71, 87, 0.2); }
}

/* Version Info */
.version-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.version-info.hidden {
    display: none;
}

.version-details {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
}


/* About Section */
.about-section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.info-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 71, 87, 0.1);
}

.info-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.info-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.version-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

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

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

.version-group code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--danger);
    background: rgba(255, 71, 87, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.cvss-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.cvss-score {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--danger);
    font-family: var(--font-mono);
}

.cvss-label {
    font-size: 0.9rem;
    color: var(--danger);
    background: rgba(255, 71, 87, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

/* Remediation Section */
.remediation-section {
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.remediation-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.fix-card,
.steps-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.fix-card h3,
.steps-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

.fix-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.fix-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.fix-versions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.fix-versions code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--success);
    background: rgba(46, 213, 115, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.steps-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.steps-list li {
    display: flex;
    gap: var(--spacing-md);
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.step-content code {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    background: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
}

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

/* Footer */
.footer {
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content .credits {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.footer-content .credits:first-child {
    margin-top: 0;
}

.footer-content .credits a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.footer-content .credits a:hover {
    text-decoration: underline;
    filter: brightness(1.2);
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .nav {
        gap: var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg);
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .scan-btn {
        width: 100%;
    }
    
    .remediation-content {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }

.info-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.info-card:nth-child(1) { animation-delay: 0.1s; }
.info-card:nth-child(2) { animation-delay: 0.2s; }
.info-card:nth-child(3) { animation-delay: 0.3s; }
.info-card:nth-child(4) { animation-delay: 0.4s; }