.content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    flex-shrink: 0;
}

.welcome {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 
        8px 8px 16px rgba(0,0,0,0.1),
        -8px -8px 16px rgba(255,255,255,0.8);
    flex-shrink: 0;
}

.welcome h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.welcome p {
    color: #7f8c8d;
    font-size: 1rem;
    line-height: 1.6;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex: 1;
    overflow-y: auto;
    padding-right: 10px;
}

.feature-grid::-webkit-scrollbar {
    width: 8px;
}

.feature-grid::-webkit-scrollbar-track {
    background: #ecf0f3;
    border-radius: 10px;
}

.feature-grid::-webkit-scrollbar-thumb {
    background: #bdc3c7;
    border-radius: 10px;
}

.feature-grid::-webkit-scrollbar-thumb:hover {
    background: #95a5a6;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 
        8px 8px 16px rgba(0,0,0,0.1),
        -8px -8px 16px rgba(255,255,255,0.8);
    border: none;
    cursor: pointer;
    display: block;
    min-height: 150px;
    overflow: visible;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        12px 12px 24px rgba(0,0,0,0.15),
        -12px -12px 24px rgba(255,255,255,0.9);
}

.feature-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
}

.feature-card.coming-soon:hover {
    transform: none;
    box-shadow: 
        8px 8px 16px rgba(0,0,0,0.1),
        -8px -8px 16px rgba(255,255,255,0.8);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: #7f8c8d;
    font-size: 0.85rem;
    line-height: 1.3;
}

.nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.nav a {
    background: #3498db;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 15px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 
        4px 4px 8px rgba(0,0,0,0.2),
        -2px -2px 4px rgba(255,255,255,0.1);
    display: inline-block;
}

.nav a:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 
        6px 6px 12px rgba(0,0,0,0.25),
        -3px -3px 6px rgba(255,255,255,0.1);
}

.nav a:active {
    transform: translateY(0);
    box-shadow: 
        2px 2px 4px rgba(0,0,0,0.2),
        -1px -1px 2px rgba(255,255,255,0.1);
}

.flash-messages {
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

.flash-message {
    padding: 1rem 2rem;
    border-radius: 15px;
    margin-bottom: 1rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
    box-shadow: 
        4px 4px 8px rgba(0,0,0,0.1),
        -2px -2px 4px rgba(255,255,255,0.8);
}

.flash-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.flash-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .welcome {
        padding: 1.5rem;
    }
    
    .nav {
        flex-direction: column;
        align-items: center;
    }
    
    .nav a {
        width: 100%;
        max-width: 200px;
        text-align: center;
    }
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    width: 100%;
    padding: var(--spacing-8) var(--spacing-6);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    margin-bottom: var(--spacing-16);
}

.hero-text {
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-6);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    text-align: left;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    animation: expandWidth 1s ease-out 1s both;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
    text-align: left;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.terminal-window {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    animation: fadeInUp 0.8s ease-out 0.8s both;
    position: relative;
}

.terminal-window::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
}

.terminal-controls {
    display: flex;
    gap: var(--spacing-2);
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.control.close { background: #ff5f56; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #27ca3f; }

.control:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px currentColor;
}

.terminal-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.terminal-content {
    padding: var(--spacing-6);
    background: var(--bg-primary);
    min-height: 300px;
    position: relative;
}

.code-line {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-2);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.line-number {
    color: var(--text-muted);
    width: 30px;
    text-align: right;
    margin-right: var(--spacing-3);
    font-size: var(--font-size-xs);
}

.code-indent {
    width: 20px;
}

.code-comment {
    color: #6a9955;
    font-style: italic;
}

.code-keyword {
    color: #569cd6;
    font-weight: 600;
}

.code-function {
    color: #dcdcaa;
}

.code-param {
    color: #9cdcfe;
}

.code-var {
    color: #4fc1ff;
}

.code-operator {
    color: #d4d4d4;
}

.code-property {
    color: #9cdcfe;
}

.code-paren {
    color: #d4d4d4;
}

.code-string {
    color: #ce9178;
}

.terminal-cursor {
    width: 8px;
    height: 16px;
    background: var(--primary-color);
    animation: blink 1s infinite;
    margin-left: var(--spacing-1);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes expandWidth {
    from { width: 0; }
    to { width: 100%; }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
    animation: fadeInUp 0.8s ease-out 1s both;
}

.stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-spring);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-spring);
}

.stat-item:hover .stat-icon {
    transform: rotate(10deg) scale(1.1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.features {
    padding: var(--spacing-20) 0;
    background: var(--bg-secondary);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-6);
    backdrop-filter: blur(10px);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-4);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-6);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

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

.feature-card.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.feature-card.active::before {
    opacity: 1;
}

.feature-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
}

.feature-card.coming-soon:hover {
    transform: none;
    box-shadow: var(--shadow-lg);
}

.feature-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: var(--font-size-2xl);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-spring);
}

.feature-card:hover .feature-icon {
    transform: rotate(10deg) scale(1.1);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.6);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.active {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.status-badge.coming {
    background: rgba(255, 170, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.feature-content {
    margin-bottom: var(--spacing-6);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.feature-meta {
    display: flex;
    gap: var(--spacing-4);
}

.difficulty, .duration {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.difficulty i {
    color: var(--warning-color);
}

.feature-arrow {
    position: absolute;
    top: var(--spacing-6);
    right: var(--spacing-6);
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-spring);
    backdrop-filter: blur(10px);
}

.feature-card:hover .feature-arrow {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-glow);
}

.dashboard {
    padding: var(--spacing-20) 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
}

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-spring);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.dashboard-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-spring);
}

.dashboard-card:hover .dashboard-icon {
    transform: rotate(10deg) scale(1.1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.dashboard-content {
    flex: 1;
}

.dashboard-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
    font-family: var(--font-mono);
}

.dashboard-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.info {
    padding: var(--spacing-20) 0;
    background: var(--bg-secondary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-spring);
    text-align: center;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.info-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: var(--font-size-3xl);
    margin: 0 auto var(--spacing-6);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-spring);
}

.info-card:hover .info-icon {
    transform: rotate(15deg) scale(1.1);
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.6);
}

.info-content {
    text-align: center;
}

.info-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

.info-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-12) 0;
    }
    
    .hero-text {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        text-align: center;
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .hero-container {
        padding: var(--spacing-6) var(--spacing-4);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        text-align: center;
    }
    
    .terminal-content {
        padding: var(--spacing-4);
        min-height: 250px;
    }
    
    .feature-card {
        padding: var(--spacing-6);
    }
    
    .info-card {
        padding: var(--spacing-6);
    }
}