/* Body alap */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background: linear-gradient(135deg, #74ebd5, #ACB6E5);
    overflow-y: hidden;
    overflow-x: hidden;
}

/* Top bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: rgba(0, 0, 0, 0.1);
}

/* Üdv szöveg */
.welcome {
    font-size: 20px;
    font-weight: bold;
}

/* Kijelentkezés gomb */
.logout-button {
    text-decoration: none;
    padding: 8px 16px;
    background-color: #FF6B6B;
    color: white;
    border-radius: 8px;
    transition: background 0.3s;
}

.logout-button:hover {
    background-color: #FF3B3B;
}

/* Főoldali gombok */
.container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 60px);
}

.big-button {
    display: inline-block;
    padding: 25px 60px;
    font-size: 24px;
    font-weight: bold;
    color: white;
    text-decoration: none;
    border-radius: 15px;
    background: linear-gradient(45deg, #FF6B6B, #FFD93D);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.big-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #FF3B3B, #FFD93D);
}

/* Login oldal */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.login-container input {
    display: block;
    width: 250px;
    padding: 10px;
    margin: 15px auto;
    font-size: 16px;
}

.login-container button {
    padding: 10px 25px;
    font-size: 16px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.login-container button:hover {
    background-color: #0056b3;
}

.error {
    color: red;
    font-weight: bold;
}