:root {
    --primary: #7f5aff;
    --primary-dark: #6a44e0;
    --primary-soft: #f0f0ff;
    --border: #d1d5db;
    --danger: #dc3545;
    --success-bg: #d4f7e0;
    --success-text: #198754;
    --danger-bg: #f8d7da;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f5f9;
    color: #333;
    line-height: 1.5;
    padding: 2rem;
    max-width: 1000px;
    margin: 20px auto;
}

main {
    padding-top: 80px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000;
    background-color: #FFFFFF;
    display: flex;
    align-items: center; 
    border-bottom: 2px solid #ccc;
    outline: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.header-nav {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;  
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li {
    background-color: #FFFFFF;
}

li a {
    text-decoration: none;
    color: #45556C;
}

a i {
    padding: 8px;
}

.header-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.text {
    color: #0F172B;
}

.symbol i {
    color: #FFFFFF;
    background-color: #615FFF;
    border-radius: 5px;
    padding: 5px;
}

.header-nav ul li a:hover {
    color: #4F39F6;
}

.header-nav ul li a.active {
    color: #4F39F6;
    font-weight: 400;
    background-color: #EEF2FF;
    border-radius: 5px;
    border: 2px solid #EEF2FF;
    align-items: center;
    padding: 5px;
}