* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #0a0e1a;
    --secondary-dark: #1a1f2e;
    --tertiary-dark: #2a2f3e;
    --accent-blue: #00b4ff;
    --accent-cyan: #00e5ff;
    --accent-green: #00ff9f;
    --accent-gold: #ffd700;
    --accent-red: #ff4757;
    --accent-orange: #ff6b35;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #6c7b8a;
    --border-primary: #3a4553;
    --border-secondary: #4a5563;
    --success-color: #00ff9f;
    --warning-color: #ffb347;
    --error-color: #ff4757;
    --info-color: #00b4ff;
    --certified-color: #ffd700;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(ellipse at top, var(--primary-dark) 0%, #000510 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

.aerospace-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 180, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 180, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.header {
    background: linear-gradient(135deg, rgba(26, 31, 46, 0.95) 0%, rgba(42, 47, 62, 0.95) 100%);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-primary);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.company-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo-image {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: contain;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.company-name {
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.company-code {
    font-size: 0.9rem;
    color: var(--accent-cyan);
    font-weight: 600;
    letter-spacing: 3px;
}

.header h1 {
    font-size: 3.2rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 1.3rem;
    margin-bottom: 25px;
    font-weight: 300;
}

.certification-bar {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.cert-badge {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--certified-color);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    color: var(--certified-color);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.version-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.version-badge {
    background: rgba(0, 180, 255, 0.15);
    border: 1px solid var(--accent-blue);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-weight: 500;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.enterprise-card {
    background: linear-gradient(135deg, rgba(26, 31, 46, 0.95) 0%, rgba(42, 47, 62, 0.95) 100%);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-primary);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.enterprise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.enterprise-card:hover::before {
    transform: scaleX(1);
}

.enterprise-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 50px rgba(0, 180, 255, 0.1);
    border-color: var(--accent-blue);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-zone {
    border: 3px dashed var(--border-primary);
    border-radius: 16px;
    padding: 50px;
    text-align: center;
    background: rgba(10, 14, 26, 0.6);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(0, 180, 255, 0.1) 0%, transparent 70%);
    transition: all 0.4s ease;
    transform: translate(-50%, -50%);
}

.upload-zone:hover::before,
.upload-zone.dragover::before {
    width: 300px;
    height: 300px;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-blue);
    background: rgba(0, 180, 255, 0.05);
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(0, 180, 255, 0.2);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--accent-blue);
    position: relative;
    z-index: 1;
}

.upload-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.upload-subtitle {
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.file-input {
    display: none;
}

.enterprise-btn {
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan));
    border: none;
    color: white;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(0, 180, 255, 0.3);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.enterprise-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.enterprise-btn:hover::before {
    left: 100%;
}

.enterprise-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 180, 255, 0.4);
}

.enterprise-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.compliance-item {
    background: rgba(10, 14, 26, 0.4);
    border: 1px solid var(--border-secondary);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.compliance-item:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
    box-shadow: 0 8px 25px rgba(0, 180, 255, 0.2);
}

.compliance-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.compliance-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.compliance-status {
    color: var(--success-color);
    font-size: 0.9rem;
    margin-top: 5px;
}

.results-panel {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(26, 31, 46, 0.95) 0%, rgba(42, 47, 62, 0.95) 100%);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-primary);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    display: none;
    position: relative;
    overflow: hidden;
}

.results-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--success-color), var(--accent-blue), var(--accent-cyan));
}

.results-panel.active {
    display: block;
    animation: slideInUp 0.6s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.results-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.analysis-badge {
    background: rgba(0, 255, 159, 0.15);
    border: 1px solid var(--success-color);
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--success-color);
    font-size: 0.9rem;
    font-weight: 600;
}

.progress-container {
    margin-bottom: 30px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--success-color));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 180, 255, 0.5);
}

.validation-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.summary-card {
    background: rgba(10, 14, 26, 0.6);
    border: 2px solid var(--border-secondary);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    transition: all 0.4s ease;
}

.summary-card.success::before {
    background: var(--success-color);
}

.summary-card.warning::before {
    background: var(--warning-color);
}

.summary-card.error::before {
    background: var(--error-color);
}

.summary-card.info::before {
    background: var(--info-color);
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.summary-card.success:hover {
    border-color: var(--success-color);
    box-shadow: 0 15px 40px rgba(0, 255, 159, 0.2);
}

.summary-card.warning:hover {
    border-color: var(--warning-color);
    box-shadow: 0 15px 40px rgba(255, 179, 71, 0.2);
}

.summary-card.error:hover {
    border-color: var(--error-color);
    box-shadow: 0 15px 40px rgba(255, 71, 87, 0.2);
}

.summary-card .count {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.summary-card.success .count {
    color: var(--success-color);
}

.summary-card.warning .count {
    color: var(--warning-color);
}

.summary-card.error .count {
    color: var(--error-color);
}

.summary-card.info .count {
    color: var(--info-color);
}

.summary-label {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.validation-details {
    background: rgba(10, 14, 26, 0.6);
    border: 1px solid var(--border-secondary);
    border-radius: 16px;
    padding: 25px;
    max-height: 600px;
    overflow-y: auto;
}

.validation-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 12px;
    border-left: 4px solid;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.validation-item:hover {
    transform: translateX(5px);
    background: rgba(0, 0, 0, 0.4);
}

.validation-item.error {
    border-left-color: var(--error-color);
    background: rgba(255, 71, 87, 0.05);
}

.validation-item.warning {
    border-left-color: var(--warning-color);
    background: rgba(255, 179, 71, 0.05);
}

.validation-item.info {
    border-left-color: var(--info-color);
    background: rgba(0, 180, 255, 0.05);
}

.validation-icon {
    font-size: 1.5rem;
    margin-top: 3px;
}

.validation-content {
    flex: 1;
}

.validation-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.validation-message {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.validation-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.meta-badge {
    background: rgba(0, 0, 0, 0.4);
    padding: 4px 12px;
    border-radius: 20px;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    border: 1px solid var(--border-secondary);
}

.line-badge {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.code-badge {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.export-controls {
    display: flex;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.export-btn {
    background: linear-gradient(45deg, var(--tertiary-dark), var(--secondary-dark));
    border: 2px solid var(--border-primary);
    color: var(--text-primary);
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.export-btn:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 180, 255, 0.3);
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan));
}

.footer {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
    border-top: 2px solid var(--border-primary);
    margin-top: 50px;
    background: rgba(26, 31, 46, 0.3);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 15px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.copyright {
    font-size: 0.9rem;
    opacity: 0.7;
}

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

    .header h1 {
        font-size: 2.5rem;
    }

    .certification-bar {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .header {
        padding: 25px;
    }

    .header h1 {
        font-size: 2rem;
    }

    .enterprise-card {
        padding: 25px;
    }

    .upload-zone {
        padding: 30px;
    }

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

    .export-controls {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-dark);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-cyan), var(--success-color));
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 50%;
    border-top-color: var(--accent-blue);
    animation: spin 1s ease-in-out infinite;
}

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

/* Pulse Animation for Active Elements */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 180, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 180, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 180, 255, 0);
    }
}