*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    color-scheme: light;
    font-size: 100%;
}

.identity-page {
    --identity-on-brand-muted: color-mix(in srgb, var(--lms-surface) 76%, transparent);
    --identity-on-brand-subtle: color-mix(in srgb, var(--lms-surface) 74%, transparent);
    --identity-brand-glow: color-mix(in srgb, var(--lms-primary-500) 30%, transparent);
    --identity-brand-wash: color-mix(in srgb, var(--lms-primary-200) 20%, transparent);
    --identity-surface-wash: color-mix(in srgb, var(--lms-surface) 76%, transparent);
    --identity-danger-soft: color-mix(in srgb, var(--lms-danger) 8%, transparent);
    --identity-danger-ring: color-mix(in srgb, var(--lms-danger) 14%, transparent);
    --identity-pattern-line: color-mix(in srgb, var(--lms-info) 8%, transparent);
    --identity-shadow-soft: color-mix(in srgb, var(--lms-primary-950) 10%, transparent);
}

body {
    margin: 0;
    min-width: 20rem;
    color: var(--lms-neutral-900);
    background: var(--lms-neutral-100);
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font: inherit;
    font-size: var(--lms-form-font-size);
}

button {
    touch-action: manipulation;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--lms-surface);
    background: var(--lms-primary-900);
    border-radius: var(--lms-radius-sm);
    transform: translateY(-160%);
    transition: transform var(--lms-transition);
}

.skip-link:focus {
    transform: translateY(0);
}

.identity-shell {
    display: grid;
    min-height: 100vh;
    min-height: 100dvh;
    grid-template-columns: minmax(0, 1.08fr) minmax(28rem, 0.92fr);
}

.identity-intro {
    position: relative;
    display: flex;
    min-height: 100%;
    overflow: hidden;
    color: var(--lms-surface);
    background: var(--lms-primary-900);
    isolation: isolate;
}

.identity-intro::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    content: "";
    background:
        radial-gradient(circle at 16% 12%, var(--identity-brand-glow), transparent 29rem),
        linear-gradient(145deg, transparent 40%, var(--identity-brand-wash) 100%);
}

.identity-intro__content {
    position: relative;
    z-index: 2;
    display: flex;
    width: min(100%, 47rem);
    min-height: 100%;
    margin-inline: auto;
    padding: clamp(2rem, 5vw, 5rem);
    flex-direction: column;
    justify-content: center;
    gap: 4rem;
}

.institution-mark {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 0.875rem;
}

.institution-mark__logo {
    display: block;
    width: 2.625rem;
    height: 3.6875rem;
    flex: 0 0 auto;
    object-fit: contain;
}

.institution-mark__text {
    display: grid;
    line-height: 1.25;
}

.institution-mark__text strong {
    font-size: 1.05rem;
    letter-spacing: 0.08em;
}

.institution-mark__text small {
    color: var(--identity-on-brand-muted);
    font-size: 0.78rem;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: var(--identity-on-brand-subtle);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow--accent {
    color: var(--lms-primary-900);
}

.access-context {
    display: inline-flex;
    width: fit-content;
    min-height: 2.25rem;
    margin: 0 0 1rem;
    padding: 0.4rem 0.75rem;
    align-items: center;
    color: var(--lms-surface);
    background: var(--identity-brand-wash);
    border: 1px solid var(--identity-brand-glow);
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 700;
    gap: 0.5rem;
    letter-spacing: 0.01em;
}

.identity-intro h1 {
    max-width: 11ch;
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 720;
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.identity-intro__lead {
    max-width: 35rem;
    margin: 1.5rem 0 0;
    color: var(--identity-on-brand-muted);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
}

.signin-area {
    display: flex;
    min-width: 0;
    padding: clamp(1.25rem, 5vw, 4.5rem);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background:
        linear-gradient(var(--identity-surface-wash), var(--identity-surface-wash)),
        var(--lms-neutral-100);
}

.signin-card {
    width: min(100%, 31rem);
    padding: clamp(1.5rem, 4vw, 3rem);
    background: var(--lms-surface);
    border: 1px solid var(--lms-neutral-200);
    border-radius: var(--lms-radius-lg);
    box-shadow: var(--lms-shadow-lg);
}

.signin-card__header h2 {
    margin: 0;
    color: var(--lms-primary-900);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.signin-card__header > p:last-child {
    margin: 0.75rem 0 0;
    color: var(--lms-neutral-700);
}

/* UI-TYPOGRAPHY-DENSITY-14A/14C: retain approved desktop display bounds. */
@media (min-width: 62.01rem) {
    .identity-intro__content {
        padding: clamp(2rem, 4vw, 4rem);
        gap: 3rem;
    }

    .identity-intro h1 {
        font-size: clamp(40px, 4vw, 64px);
        line-height: 1.02;
    }

    .identity-intro__lead {
        margin-top: 1.25rem;
    }

    .signin-area {
        padding: clamp(1.5rem, 4vw, 3.5rem);
    }

    .signin-card {
        padding: clamp(1.5rem, 3vw, 2.5rem);
    }

    .signin-card__header h2 {
        font-size: clamp(28px, 2.25vw, 32px);
    }
}


.signin-feedback {
    display: flex;
    margin: 1.5rem 0;
    padding: 0.875rem 1rem;
    align-items: flex-start;
    border-left: 0.25rem solid;
    border-radius: var(--lms-radius-sm);
    font-size: 0.875rem;
    gap: 0.625rem;
}

.signin-feedback--error {
    color: var(--lms-danger);
    background: var(--identity-danger-soft);
    border-color: var(--lms-danger);
}

.registration-feedback--success {
    color: var(--lms-success);
    background: color-mix(in srgb, var(--lms-success) 9%, transparent);
    border-color: var(--lms-success);
}

.signin-card__header + .signin-form {
    margin-top: 1.5rem;
}

.signin-form,
.field-group {
    display: grid;
}

.signin-form {
    gap: 1.125rem;
}

.registration-card {
    width: min(100%, 43rem);
}

.registration-form fieldset {
    display: grid;
    min-width: 0;
    margin: 0;
    padding: 1.25rem;
    border: 1px solid var(--lms-neutral-200);
    border-radius: var(--lms-radius-md);
    gap: 1rem;
}

.registration-form legend {
    padding-inline: 0.45rem;
    color: var(--lms-primary-900);
    font-weight: 750;
}

.registration-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.registration-fields label span {
    color: var(--lms-neutral-600);
    font-weight: 500;
}

.registration-steps {
    display: grid;
    max-width: 35rem;
    margin: 2rem 0 0;
    padding: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    list-style: none;
    gap: 0.75rem;
}

.registration-steps li {
    display: grid;
    min-width: 0;
    color: var(--identity-on-brand-muted);
    font-size: 0.8rem;
    font-weight: 650;
    gap: 0.45rem;
}

.registration-steps li span {
    display: inline-grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    color: var(--lms-surface);
    background: var(--identity-brand-wash);
    border: 1px solid var(--identity-brand-glow);
    border-radius: 999px;
}

.registration-steps li[aria-current="step"] {
    color: var(--lms-surface);
}

.registration-steps li[aria-current="step"] span {
    color: var(--lms-primary-950);
    background: var(--lms-surface);
}

.registration-paths {
    display: grid;
    margin-top: 1.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.registration-path {
    display: grid;
    min-height: 10rem;
    padding: 1.25rem;
    align-content: start;
    color: var(--lms-neutral-900);
    background: var(--lms-surface);
    border: 1px solid var(--lms-neutral-300);
    border-radius: var(--lms-radius-md);
    text-decoration: none;
    gap: 0.55rem;
}

.registration-path strong {
    color: var(--lms-primary-900);
    font-size: 1.05rem;
}

.registration-path span,
.registration-path small {
    color: var(--lms-neutral-700);
}

.registration-path:hover {
    background: var(--lms-primary-100);
    border-color: var(--lms-primary-500);
}

.registration-path:focus-visible,
.registration-resend > summary:focus-visible,
.registration-consent:focus-within {
    outline: 3px solid var(--lms-primary-500);
    outline-offset: 3px;
}

.registration-simpeg,
.registration-notice {
    margin-top: 1.25rem;
    padding: 1rem;
    color: var(--lms-neutral-800);
    background: var(--lms-primary-100);
    border-left: 0.25rem solid var(--lms-primary-500);
    border-radius: var(--lms-radius-sm);
}

.registration-simpeg p {
    margin: 0.35rem 0 1rem;
}

.registration-form .registration-notice {
    margin-top: 0;
}

.registration-consent {
    display: flex;
    min-height: var(--lms-hit-target);
    padding: 0.75rem;
    align-items: flex-start;
    border: 1px solid var(--lms-neutral-300);
    border-radius: var(--lms-radius-md);
    cursor: pointer;
    gap: 0.75rem;
}

.registration-consent input {
    width: 1.25rem;
    height: 1.25rem;
    margin: 0.1rem 0 0;
    flex: 0 0 auto;
}

.registration-error-summary ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
}

.registration-error-summary a {
    color: inherit;
}

.registration-resend {
    margin: 1.25rem 0;
    border: 1px solid var(--lms-neutral-300);
    border-radius: var(--lms-radius-md);
}

.registration-resend > summary {
    min-height: var(--lms-hit-target);
    padding: 0.85rem 1rem;
    color: var(--lms-primary-900);
    cursor: pointer;
    font-weight: 700;
}

.registration-resend form {
    padding: 0 1rem 1rem;
}

.field-group {
    gap: 0.45rem;
}

.field-group label {
    color: var(--lms-neutral-900);
    font-size: 0.8667rem;
    font-weight: 650;
}

.field-group small {
    color: var(--lms-neutral-700);
    font-size: 0.8667rem;
    line-height: 1.45;
}

.field-group .field-error {
    color: var(--lms-danger);
    font-weight: 650;
}

.field-group input {
    width: 100%;
    min-height: 3rem;
    padding: 0.7rem 0.875rem;
    color: var(--lms-neutral-900);
    background: var(--lms-surface);
    border: 1px solid var(--lms-neutral-300);
    border-radius: var(--lms-radius-md);
    outline: none;
    font-size: var(--lms-form-font-size);
    transition: border-color var(--lms-transition), box-shadow var(--lms-transition);
}

.field-group input::placeholder {
    color: var(--lms-neutral-500);
}

.field-group input:hover {
    border-color: var(--lms-primary-500);
}

.field-group input:focus-visible {
    border-color: var(--lms-primary-500);
    box-shadow: var(--lms-focus-ring);
}

.field-group input[aria-invalid="true"] {
    border-color: var(--lms-danger);
    box-shadow: 0 0 0 0.2rem var(--identity-danger-ring);
}

.password-control {
    position: relative;
}

.password-control input {
    padding-right: 6.5rem;
}

.password-toggle {
    position: absolute;
    top: 0.2rem;
    right: 0.2rem;
    min-width: 5.75rem;
    min-height: var(--lms-hit-target);
    padding: 0.5rem 0.75rem;
    color: var(--lms-primary-700);
    background: transparent;
    border: 0;
    border-radius: calc(var(--lms-radius-md) - 0.15rem);
    cursor: pointer;
    font-size: var(--lms-form-font-size);
    font-weight: 700;
    gap: 0.4rem;
}

.password-toggle:hover {
    background: var(--lms-primary-100);
}

.password-toggle:focus-visible,
.button:focus-visible {
    outline: 3px solid var(--lms-primary-500);
    outline-offset: 3px;
}

.captcha-control {
    display: grid;
    grid-template-columns: minmax(8rem, 1fr) minmax(7rem, 0.9fr);
    gap: 0.75rem;
}

.captcha-challenge {
    display: flex;
    min-height: 3rem;
    padding: 0.5rem 1rem;
    align-items: center;
    justify-content: space-between;
    color: var(--lms-primary-900);
    background-color: var(--lms-neutral-100);
    background-image: repeating-linear-gradient(135deg, transparent 0 9px, var(--identity-pattern-line) 9px 10px);
    border: 1px solid var(--lms-neutral-300);
    border-radius: var(--lms-radius-md);
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
    font-weight: 750;
    letter-spacing: 0.08em;
}

.button {
    display: inline-flex;
    width: 100%;
    min-height: 3rem;
    padding: 0.7rem 1.25rem;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--lms-radius-md);
    cursor: pointer;
    font-weight: 700;
    text-align: center;
    gap: 0.625rem;
    transition: background-color var(--lms-transition), border-color var(--lms-transition), box-shadow var(--lms-transition);
}

.button--primary {
    color: var(--lms-surface);
    background: var(--lms-primary-700);
    box-shadow: var(--lms-shadow-sm);
}

.button--primary:hover { background: var(--lms-primary-900); }
.button--primary:active { background: var(--lms-primary-950); }

.button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.button--secondary {
    color: var(--lms-primary-900);
    background: var(--lms-surface);
    border-color: var(--lms-primary-700);
    text-decoration: none;
}

.button--secondary:hover { background: var(--lms-primary-100); }
.button--secondary:active { background: var(--lms-primary-200); }

.signin-divider {
    display: flex;
    margin: 1.25rem 0;
    align-items: center;
    color: var(--lms-neutral-500);
    font-size: 0.8rem;
    gap: 0.75rem;
}

.signin-divider::before,
.signin-divider::after {
    height: 1px;
    background: var(--lms-neutral-200);
    content: "";
    flex: 1;
}

.signin-actions {
    margin-top: 1.25rem;
    text-align: center;
}

.signin-back-link {
    display: inline-flex;
    min-height: var(--lms-hit-target);
    padding: 0.625rem;
    align-items: center;
    color: var(--lms-primary-700);
    font-size: 0.875rem;
    font-weight: 700;
    gap: 0.5rem;
}

.signin-back-link:hover { color: var(--lms-primary-900); }

.signin-back-link:focus-visible {
    outline: 3px solid var(--lms-primary-500);
    outline-offset: 3px;
}

.signin-card__footer {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    color: var(--lms-neutral-700);
    border-top: 1px solid var(--lms-neutral-200);
    text-align: center;
}

.signin-card__footer p {
    margin: 0;
    font-size: 0.875rem;
}

.signin-card__footer p:first-child {
    color: var(--lms-neutral-900);
    font-weight: 650;
}

.signin-area__meta {
    margin: 1.25rem 0 0;
    color: var(--lms-neutral-700);
    font-size: 0.75rem;
    text-align: center;
}

.icon {
    width: 1.125rem;
    height: 1.125rem;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.access-context .icon {
    width: 1rem;
    height: 1rem;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 62rem) {
    .identity-shell {
        grid-template-columns: 1fr;
    }

    .identity-intro__content {
        width: 100%;
        padding: 1.25rem clamp(1.25rem, 6vw, 4rem) 1.5rem;
        gap: 1.25rem;
    }

    .institution-mark__logo {
        width: 2rem;
        height: auto;
    }

    .identity-intro h1 {
        max-width: 15ch;
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        line-height: 1.05;
    }

    .identity-intro__lead {
        margin-top: 0.75rem;
    }

    .signin-area {
        padding-block: 1.5rem 2.5rem;
    }
}

@media (max-width: 36rem) {
    .identity-intro__content { gap: 1rem; }
    .identity-intro__lead { display: none; }
    .access-context { margin-bottom: 0.75rem; }

    .signin-area {
        padding: 1.25rem 0.75rem 2rem;
    }

    .signin-card {
        padding: 1.5rem 1.125rem;
        border-radius: 0.875rem;
        box-shadow: 0 14px 36px var(--identity-shadow-soft);
    }

    .captcha-control {
        grid-template-columns: 1fr;
    }

    .registration-paths,
    .registration-fields {
        grid-template-columns: 1fr;
    }

    .registration-steps {
        margin-top: 1rem;
    }

    .registration-form fieldset {
        padding: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}