:root {
    --primary-color: #1e3c72;
    --secondary-color: #2a5298;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --border-color: #dee2e6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1rem 0;
    color: white;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    color: white;
    text-decoration: none;
}

.logo i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-link {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Responsive Header */
@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        padding: 1rem;
        flex-direction: column;
        align-items: center;
    }

    .nav-menu.active {
        display: flex;
    }
}

/* Main Content Area */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Notification Banner */
.notification-banner {
    background: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
    padding: 0.5rem;
    text-align: center;
}

.user-welcome {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: white;
}

.logo-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: width 0.3s ease, height 0.3s ease;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .logo-title {
        font-size: 1.1rem;
    }
    
    .logo-subtitle {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .logo-image {
        width: 40px;
        height: 40px;
    }

    .logo-title {
        font-size: 1rem;
    }

    .logo-subtitle {
        display: none; /* Hide subtitle on smaller screens */
    }
}

@media (max-width: 480px) {
    .logo-image {
        width: 35px;
        height: 35px;
    }

    .logo-text {
        display: none; /* Hide text completely on very small screens */
    }
}