.login-screen {
    --login-blue: #164f9b;
    --login-ink: #17213b;
    --login-muted: #68748a;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(480px, 1fr);
    min-height: 100vh;
    min-height: 100dvh;
    background: #fff;
    color: var(--login-ink);
    font-family: Inter, sans-serif;
}

.login-brand {
    position: relative;
    isolation: isolate;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(circle at 85% 22%, #254c91 0, transparent 33%),
        linear-gradient(145deg, #091334 0%, #10255d 62%, #164b95 100%);
    color: #fff;
}

.login-brand::after {
    position: absolute;
    z-index: -1;
    content: '';
    border: 1px solid rgba(255, 255, 255, .11);
    border-radius: 50%;
    pointer-events: none;
}

.login-brand::after { width: 610px; height: 610px; left: 61%; bottom: -410px; }

.login-brand__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 48px;
}

.login-brand__logo { display: block; width: clamp(220px, 26vw, 360px); max-width: 100%; height: auto; }

.login-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 36px;
}

.login-content__inner { width: min(100%, 410px); }
.login-content__mobile-logo { display: none; }
.login-intro { margin-bottom: 42px; }

.login-intro h2 {
    margin: 0 0 4px;
    color: var(--login-ink);
    font-size: clamp(30px, 3vw, 38px);
    font-weight: 700;
    letter-spacing: -.045em;
    line-height: 1.2;
}

.login-intro p {
    margin: 0;
    color: var(--login-muted);
    font-size: 15px;
    line-height: 1.6;
}

.login-message {
    margin-bottom: 24px;
    padding: 13px 16px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.5;
}

.login-message--success { background: #eaf7ef; color: #185834; }
.login-message--error { background: #fff0f0; color: #a51f31; }
.login-field { margin-bottom: 24px; }

.login-field label {
    display: block;
    margin-bottom: 10px;
    color: var(--login-ink);
    font-size: 14px;
    font-weight: 600;
}

.login-field__heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.login-field__heading a {
    color: var(--login-blue);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.login-field__heading a:hover { text-decoration: underline; }

.login-field input {
    display: block;
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border: 1px solid #d9e0eb;
    border-radius: 10px;
    outline: none;
    background: #fff;
    color: var(--login-ink);
    font: inherit;
    font-size: 15px;
    transition: border-color .2s, box-shadow .2s;
}

.login-field input::placeholder { color: #9aa6b8; }
.login-field input:focus { border-color: var(--login-blue); box-shadow: 0 0 0 4px rgba(22, 79, 155, .12); }
.login-field input[aria-invalid="true"] { border-color: #bd3448; }
.login-field__error { margin-top: 8px; color: #a51f31; font-size: 13px; }

.login-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 54px;
    margin-top: 32px;
    border: 0;
    border-radius: 10px;
    background: var(--login-blue);
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-size: 15px;
    font-weight: 700;
    transition: background .2s, transform .2s;
}

.login-submit:hover { background: #0f3d7e; transform: translateY(-1px); }

.login-submit:focus-visible,
.login-field__heading a:focus-visible { outline: 3px solid #f0cc00; outline-offset: 3px; }

@media (max-width: 900px) {
    .login-screen { grid-template-columns: minmax(0, 1fr); }
    .login-brand { display: none; }
    .login-content { min-height: 100vh; min-height: 100dvh; padding: 38px 24px; }
    .login-content__mobile-logo { display: block; width: 138px; height: auto; margin-bottom: 64px; }
}

@media (max-width: 480px) {
    .login-content { align-items: flex-start; padding: 32px 24px; }
    .login-content__mobile-logo { margin-bottom: 54px; }
    .login-intro { margin-bottom: 36px; }
}

@media (prefers-reduced-motion: reduce) {
    .login-field input,
    .login-submit { transition: none; }
}