/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.2);
}

/* Main Content Layout */
.main-content {
    flex: 1;
    display: flex;
    max-width: 1200px;
    margin: 0 auto; 
    gap: 2rem;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1.5rem;
    height: fit-content;
}

.sidebar h3 {
    color: #333;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
}

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

.menu-list li {
    margin-bottom: 0.5rem;
}

.menu-link {
    display: block;
    padding: 0.75rem 1rem;
    color: #555;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.menu-link:hover {
    background-color: #667eea;
    color: white;
    transform: translateX(5px);
}

/* Content Area */
.content-wrapper {
    flex: 1;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 2rem;
}

.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
}

.welcome-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.welcome-section p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.feature-card h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.feature-card p {
    color: #666;
    font-size: 0.9rem;
}

/* Quick Actions */
.quick-actions {
    text-align: center;
}

.quick-actions h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #667eea;
    color: white;
}

.btn-primary:hover {
    background-color: #5a6fd8;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

/* Footer Styles */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: auto;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu ul {
        gap: 1rem;
    }
    
    .main-content {
        flex-direction: column;
        padding: 1rem;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
}

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

.content-wrapper {
    animation: fadeIn 0.6s ease-out;
}

.feature-card {
    animation: fadeIn 0.6s ease-out;
}

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