body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    margin: 0;
    padding: 0;
}
.login-container, .admin-container, .main-container {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    padding: 16px;
    margin: 32px auto;
    max-width: 600px;
    width: 95vw;
    box-sizing: border-box;
}
form, .user-scroll {
    width: 100%;
    box-sizing: border-box;
}
input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 8px;
    box-sizing: border-box;
}
button {
    padding: 12px 18px;
    font-size: 1rem;
    border: none;
    background: #007bff;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    margin-bottom: 8px;
}
button:active {
    background: #0056b3;
}
ul {
    list-style: none;
    padding-left: 0;
    max-width: 100%;
    margin: 0 auto;
}
li {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    background: #fff;
    padding: 10px 12px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    flex-wrap: wrap;
}
.bucket-user {
    font-size: 0.9em;
    color: #888;
    margin-left: 10px;
}
.user-scroll {
    overflow-x: auto;
    white-space: nowrap;
    margin-bottom: 12px;
    position: fixed;
    top: 10px;
    right: 10px;
    left: auto;
    z-index: 1001;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.07);
    padding: 4px 6px;
    max-width: 320px;
    min-width: 120px;
    width: auto;
    height: 38px;
    display: flex;
    align-items: center;
}
.user-scroll button {
    display: inline-block;
    margin: 0 2px 0 0;
    padding: 4px 10px;
    font-size: 0.95em;
    border: none;
    background: #eee;
    border-radius: 4px;
    cursor: pointer;
}
.user-scroll button.active {
    background: #007bff;
    color: #fff;
}
.nav-menu {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 18px;
    margin-top: 8px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: #333;
    background: #f1f1f1;
    padding: 7px 16px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 1.05em;
    transition: background 0.2s, color 0.2s;
}
.nav-link.active, .nav-link:hover {
    background: #007bff;
    color: #fff;
}
.nav-icon {
    font-size: 1.2em;
}
@media (max-width: 600px) {
    .login-container, .admin-container, .main-container {
        margin: 8px auto;
        padding: 8px;
        max-width: 100vw;
    }
    button {
        font-size: 1em;
        padding: 10px;
    }
    ul {
        max-width: 100vw;
    }
    li {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 6px;
    }
    .user-scroll {
        top: 60px;
        max-width: 98vw;
        padding: 2px 1px;
        height: 32px;
    }
    .user-scroll button {
        font-size: 0.9em;
        padding: 3px 6px;
    }
    .nav-menu {
        gap: 6px;
        margin-bottom: 10px;
    }
    .nav-link {
        font-size: 0.98em;
        padding: 6px 8px;
    }
}