body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(120deg, #e0eafc 0%, #cfdef3 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}
.container {
    background: #fff;
    max-width: 1200px;
    margin: 60px auto;
    padding: 70px 60px;
    border-radius: 20px;
    box-shadow: 0 6px 32px rgba(0,0,0,0.20);
    display: flex;
    flex-direction: column;
    align-items: center;
}
h2 {
    text-align: center;
    color: #333;
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
input[type="email"], input[type="password"], input[type="text"] {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}
button {
    background: #007bff;
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}
button:hover {
    background: #0056b3;
}
a {
    color: #007bff;
    text-align: center;
    text-decoration: none;
    font-size: 15px;
}
a:hover {
    text-decoration: underline;
}
.message {
    text-align: center;
    margin-bottom: 10px;
    color: #d9534f;
}
.menu-top {
    width: 220px;
    height: 100vh;
    background: #007bff;
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    box-shadow: 2px 0 8px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 30px;
}
.menu-top nav {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0 20px;
}
.menu-top .logo {
    font-weight: bold;
    font-size: 22px;
    letter-spacing: 1px;
    margin-bottom: 30px;
}
.menu-top a {
    color: #fff;
    text-decoration: none;
    font-size: 17px;
    margin: 10px 0;
    transition: color 0.2s;
    padding: 8px 0;
    width: 100%;
    border-radius: 6px;
    text-align: left;
    padding-left: 10px;
}
.menu-top a:hover {
    color: #ffd700;
    background: rgba(255,255,255,0.08);
}
.menu-user {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}
.container {
    margin-left: 240px;
    margin-top: 40px;
}
.menu-toggle { display: none; }
@media (max-width: 700px) {
    .menu-top { width: 100vw; height: auto; position: static; flex-direction: row; align-items: center; padding-top: 0; }
    .menu-top nav { flex-direction: row; align-items: center; padding: 0 10px; }
    .container { margin-left: 0; margin-top: 80px; }
}