* {
    font-family: system-ui, sans-serif;
    color: #fff;
    box-sizing: border-box;
}

body {
    display: grid;
    place-items: center;
    height: 100vh;
    margin: 0;
    background-color: #1e1e1e;
}

main {
    position: relative;
    width: 340px;
    height: 380px; 
    background-color: #2b2b2b;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

section {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

h1 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: #b88cff;
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    width: 100%;
    max-width: 260px;
}

input {
    background: #1e1e1e;
    border: 1px solid #444;
    border-radius: 6px;
    padding: 0.6rem;
    color: #fff;
    outline: none;
    transition: border-color 0.2s;
}

input:focus {
    border-color: #6600CC;
}

button {
    background: #6600CC;
    border: none;
    border-radius: 6px;
    padding: 0.7rem;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease;
    margin-top: 0.5rem;
}

button:hover {
    background: #5a00b8;
}

.alt {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #bbb;
}

.alt a {
    color: #b88cff;
    text-decoration: none;
    font-weight: 500;
}

.alt a:hover {
    text-decoration: underline;
}