body {
    font-family: 'Roboto', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #f0f2f5;
    margin: 0;
    color: #333;
}

.container {
    background: #ffffff;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.container:hover {
    transform: scale(1.02);
}

h1 {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #1c1e21;
}

p {
    font-weight: 300;
    margin-bottom: 2rem;
    color: #606770;
}

input {
    width: calc(100% - 2rem);
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid #dddfe2;
    border-radius: 8px;
    background: #f5f6f7;
    color: #1c1e21;
    font-size: 1rem;
    outline: none;
    transition: background 0.3s ease, border-color 0.3s ease;
}

input::placeholder {
    color: #8d949e;
}

input:focus {
    background: #ffffff;
    border-color: #1877f2;
}

button {
    background: #1877f2;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 2rem;
    font-size: 1rem;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 4px 15px 0 rgba(24, 119, 242, 0.3);
}

button:hover {
    background: #166fe5;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px 0 rgba(24, 119, 242, 0.3);
}

button:active {
    transform: translateY(-1px);
}