* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: #f6f7f9;
    color: #14213d;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(460px, 100%);
    padding: 34px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 22px;
    box-shadow:
        0 24px 70px rgba(15, 23, 42, 0.08);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 38px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #ea580c;
    color: white;
    font-weight: 800;
}

.brand div {
    display: grid;
}

.brand strong {
    font-size: 17px;
}

.brand div span {
    color: #64748b;
    font-size: 13px;
}

.kicker {
    color: #ea580c;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

h1 {
    margin: 8px 0 10px;
    font-size: 34px;
    letter-spacing: -.03em;
}

.intro p {
    margin: 0 0 28px;
    color: #64748b;
    line-height: 1.55;
}

form {
    display: grid;
    gap: 18px;
}

label {
    display: grid;
    gap: 7px;
    font-weight: 700;
    font-size: 14px;
}

input {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid #d8dde5;
    border-radius: 12px;
    background: #fff;
    color: #14213d;
    font: inherit;
}

input:focus {
    outline: 3px solid rgba(234, 88, 12, .12);
    border-color: #ea580c;
}

button {
    height: 50px;
    border: 0;
    border-radius: 12px;
    background: #ea580c;
    color: #fff;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

button:disabled {
    opacity: .6;
    cursor: wait;
}

.message {
    min-height: 20px;
    color: #b91c1c;
    font-size: 14px;
}

.security-note {
    margin: 24px 0 0;
    padding-top: 20px;
    border-top: 1px solid #edf0f3;
    color: #64748b;
    font-size: 12px;
    line-height: 1.5;
}

@media (max-width: 520px) {
    .login-shell {
        padding: 12px;
    }

    .login-card {
        padding: 24px;
        border-radius: 17px;
    }
}