:root {
    color-scheme: light;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: #f3f5f7;
    color: #16202a;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(420px, 100%);
    padding: 36px;
    border-radius: 14px;
    background: white;
    box-shadow: 0 14px 45px rgba(19, 35, 53, .14);
}

.logo { display: block; max-width: 210px; max-height: 58px; margin: 0 auto 24px; }
h1 { margin: 0; text-align: center; font-size: 2rem; }
.subtitle { margin: 8px 0 28px; text-align: center; color: #536170; }
label { display: block; margin: 16px 0 6px; font-weight: 650; }
input {
    width: 100%;
    border: 1px solid #aab4bf;
    border-radius: 8px;
    padding: 12px 13px;
    font: inherit;
}
input:focus { outline: 3px solid rgba(181, 30, 56, .22); border-color: #a81631; }
button {
    width: 100%;
    margin-top: 22px;
    border: 0;
    border-radius: 8px;
    padding: 13px;
    background: #a81631;
    color: white;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}
button:disabled { opacity: .65; cursor: wait; }
#login-error { min-height: 1.4em; margin: 14px 0 0; color: #a4001e; text-align: center; }