* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background-color: #f3f5f9;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 450px;
}
.head {
    text-align: center;
    margin-bottom: 20px;
    font-size: 28px;
    color: #333;
}
.form-row {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.two-columns {
    flex-direction: row;
    gap: 12px;
}
.two-columns input {
    width: 100%;
}
.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}
input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}
button {
    padding: 10px 24px;
    background-color: #007bff;
    border: none;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #0056b3;
}
.center {
    justify-content: center;
    text-align: center;
}
hr {
    margin: 20px 0;
    border: none;
    border-top: 1px solid #ddd;
}
.login-link {
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
}
.login-link:hover {
    text-decoration: underline;
}
.warning {
    font-size: 12px;
    color: red;
    margin-top: 2px;
}
.navbar {
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 50px;
    font-family: Arial, sans-serif;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}
.navbar a {
    color: #333;
    text-decoration: none;
    padding: 10px 16px;
    font-size: 16px;
    border-radius: 6px;
    transition: background-color 0.3s;
}
.navbar a:hover {
    background-color: #007bff;
    color: white;
}
.navbar-left,
.navbar-right {
    display: flex;
    align-items: center;
}
body.with-navbar {
    padding-top: 60px;
}
@media (max-width: 600px) {
    .two-columns {
        flex-direction: column;
    }

    .navbar a {
        font-size: 14px;
        padding: 8px 12px;
    }
}

.dropdown {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.dropdown-toggle {
    color: #007bff;
    font-weight: bold;
    user-select: none;
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 6px;
    overflow: hidden;
    min-width: 160px;
    z-index: 1000;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    font-size: 15px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s;
}

.dropdown-menu a:hover {
    background-color: #007bff;
    color: white;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-toggle::after {
    content: " ▼";
    font-size: 0.7em;
    margin-left: 4px;
    color: #007bff;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 6px;
    overflow: hidden;
    min-width: 160px;
    z-index: 1000;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    font-size: 15px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s;
}

.dropdown-menu a:hover {
    background-color: #007bff;
    color: white;
}

.dropdown:hover .dropdown-menu {
    display: block;
}