body {
    background: linear-gradient(135deg, #2980f2 0%, #6dd5fa 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
}

.container {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(44, 62, 80, 0.2);
    max-width: 350px;
    width: 100%;
}

h2 {
    color: #2980f2;
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.input-group {
    margin-bottom: 1.2rem;
}

label {
    display: block;
    margin-bottom: 0.4rem;
    color: #2980f2;
    font-weight: 500;
}

input[type="text"],
input[type="password"] {
    width: 95%;
    padding: 0.7rem;
    border: 1px solid #b2d3fa;
    border-radius: 8px;
    outline: none;
    font-size: 1rem;
    transition: border 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus {
    border: 1.5px solid #2980f2;
}

button {
    width: 100%;
    padding: 0.8rem;
    background: linear-gradient(90deg, #2980f2 0%, #6dd5fa 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

button:hover {
    background: linear-gradient(90deg, #2575fc 0%, #4fc3f7 100%);
}

p {
    text-align: center;
    margin-top: 1rem;
    color: #555;
}

a {
    color: #2980f2;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}