* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #121212;
    font-family: -apple-system, sans-serif;
}
.login-box {
    background: #1c1c1c;
    padding: 40px;
    border-radius: 12px;
    width: 320px;
}
.login-box h1 {
    color: #fceeda;
    font-size: 20px;
    margin-bottom: 20px;
}
.login-box input {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid #333;
    background: #0d0d0d;
    color: #fff;
}
.login-box button {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: none;
    background: #fceeda;
    font-weight: bold;
    cursor: pointer;
}
.error-text {
    color: #ff6b6b;
    margin-top: 10px;
    font-size: 14px;
}