:root {
    --primary-red: #C41E3A;
    --dark-red: #8B0000;
    --blood-red: #880808;
    --warning-red: #FF4444;
    --success-green: #28a745;
    --light-bg: #FFFFFF;
    --lighter-bg: #F8F9FA;
    --text-dark: #343A40;
    --text-light: #6C757D;
    --accent-black: #1A1A1A;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Rajdhani', sans-serif;
    background: var(--light-bg);
    color: var(--text-dark);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--lighter-bg);
    border-bottom: 2px solid var(--primary-red);
    z-index: 1000;
    padding: 0.5rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container a {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-dna {
    animation: slow-spin 15s linear infinite;
    transform-style: preserve-3d;
}

@keyframes slow-spin {
    from {
        transform: rotateY(0deg);
    }
    to {
        transform: rotateY(360deg);
    }
}

.brand-text {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-red);
}

.subtitle {
    font-size: 1rem;
    color: var(--text-light);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
}

.nav-item a:hover,
.nav-item a.active {
    color: var(--primary-red);
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width 0.3s ease;
}

.nav-item a:hover::after,
.nav-item a.active::after {
    width: 100%;
}

/* Main Content */
.main-content {
    margin-top: 120px;
    padding: 2rem;
}

/* Tools Grid */
.tools-section {
    margin-bottom: 3rem;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-red);
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 0 0 8px rgba(196, 30, 58, 0.3);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.tool-card {
    background: linear-gradient(145deg, var(--light-bg), var(--lighter-bg));
    border: 1px solid var(--primary-red);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(196, 30, 58, 0.1);
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--blood-red);
    box-shadow: 0 10px 30px rgba(196, 30, 58, 0.2);
}

.tool-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
    display: block;
}

.tool-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-black);
    margin-bottom: 1rem;
}

.tool-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tool-actions {
    display: flex;
    gap: 1rem;
}

.tool-button {
    background: linear-gradient(45deg, var(--primary-red), var(--dark-red));
    color: var(--light-bg);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Rajdhani', sans-serif;
    width: 100%;
}

.tool-button:hover {
    background: linear-gradient(45deg, var(--blood-red), var(--primary-red));
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(196, 30, 58, 0.3);
}

/* Footer */
.footer {
    background: var(--lighter-bg);
    border-top: 2px solid var(--primary-red);
    padding: 3rem 2rem 2rem;
    margin-top: 4rem;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-text {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-warning {
    color: var(--warning-red);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }
    
    .brand-text {
        font-size: 2rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .main-content {
        margin-top: 180px;
        padding: 1rem;
    }
}

/* Login/Auth Styles */
.login-btn, .logout-btn {
    background: linear-gradient(45deg, var(--primary-red), var(--dark-red));
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-btn:hover, .logout-btn:hover {
    background: linear-gradient(45deg, var(--blood-red), var(--primary-red));
    transform: scale(1.05);
}