/* Общие стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: #1e1e1e;
}

.logo img {
    max-width: 100px;
    height: auto;
}

.btn {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
}

.btn-register {
    background-color: #4caf50;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 2rem;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.hero img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Table Section */
.table-section {
    padding: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #333;
}

th {
    background-color: #222;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1rem;
    background-color: #1e1e1e;
    margin-top: 2rem;
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    background-color: #4caf50;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
}