:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
    min-height: 100vh;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: #0b0f14;
    color: #f5f7fa;
    font-family: "Inter", sans-serif;
}
.login-form {
    width: min(100%, 360px);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 8px;
    background: #121922;
    box-shadow: 0 24px 64px rgba(0, 0, 0, .34);
}
.login-form h1 { margin: 0 0 1.25rem; font-size: 1.25rem; line-height: 1.2; }
.field { display: grid; gap: .45rem; margin-top: .9rem; }
label { color: #b8c3cf; font-size: .88rem; }
input {
    width: 100%;
    min-height: 44px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 6px;
    padding: .65rem .75rem;
    outline: 0;
    background: #0d131b;
    color: #f5f7fa;
    font: inherit;
}
input:focus { border-color: #48d6c7; box-shadow: 0 0 0 3px rgba(72, 214, 199, .14); }
button {
    width: 100%;
    min-height: 44px;
    margin-top: 1.35rem;
    border: 0;
    border-radius: 6px;
    background: #48d6c7;
    color: #071313;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}
button:hover { background: #64e4d7; }
.error {
    margin: 0 0 1rem;
    padding: .7rem .8rem;
    border: 1px solid rgba(239, 113, 113, .36);
    border-radius: 6px;
    background: rgba(239, 113, 113, .08);
    color: #ffb8b8;
    font-size: .9rem;
}