.auth-layout {
    display: grid;
    grid-template-columns: 4fr 5fr;
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--is-bg-public);
    font-family: var(--is-font-ui);
}

.auth-brand {
    padding: 56px 64px;
    background: var(--is-c-cream);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.auth-logo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--is-text-heading);
    text-decoration: none;
}

.auth-logo img {
    display: block;
    width: 44px;
    height: 32px;
    object-fit: contain;
}

.auth-logo span {
    font-family: var(--is-font-brand);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 18px;
}

.auth-brand-content {
    margin-top: 72px;
    max-width: 480px;
}

.auth-panel {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    padding: 80px 48px;
}

.auth-toplink {
    position: absolute;
    top: 32px;
    right: 40px;
    font-size: 14px;
}

.auth-toplink a {
    color: var(--is-accent);
    text-decoration: none;
}

.auth-toplink a:hover {
    text-decoration: underline;
}

.auth-form-wrap {
    width: 100%;
    max-width: 420px;
}


.auth-eyebrow {
    margin: 0 0 16px;
    font-family: var(--is-font-brand);
    font-size: 11px;
    line-height: 16px;
    letter-spacing: 2px;
    color: var(--is-text-muted);
}

.auth-headline {
    margin: 0;
    font-family: var(--is-font-brand);
    font-size: clamp(28px, 2.5vw, 36px);
    font-weight: 600;
    line-height: 1.3;
    color: var(--is-text-heading);
}

.auth-features {
    display: grid;
    gap: 16px;
    margin-top: 28px;
    font-size: 14px;
    line-height: 20px;
}

.auth-feature strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    line-height: 20px;
}

.auth-features p {
    margin: 2px 0 0;
    color: var(--is-text-2);
    line-height: 20px;
}

.auth-title {
    margin: 0 0 8px;
    font-family: var(--is-font-brand);
    font-size: 30px;
    font-weight: 600;
    color: var(--is-text-heading);
}

.auth-description {
    margin: 0 0 28px;
    color: var(--is-text-muted);
    line-height: 1.5;
}

.auth-form {
    display: grid;
    gap: 24px;
}

.auth-field {
    display: grid;
    gap: 8px;
}

.auth-field label {
    font-size: 14px;
    font-weight: 600;
    color: var(--is-text-heading);
}

.auth-field input {
    box-sizing: border-box;
    width: 100%;
    min-height: 50px;
    padding: 12px 14px;
    border: 1px solid var(--is-line-strong);
    border-radius: 10px;
    background: var(--is-bg-surface);
    color: var(--is-text-heading);
    font: inherit;
}

.auth-field input:focus-visible {
    outline: 3px solid var(--is-accent-ring);
    outline-offset: 1px;
    border-color: var(--is-accent);
}

.auth-form>button {
    width: 100%;
    min-height: 52px;
}

.auth-error {
    margin-bottom: 24px;
    padding: 12px 16px;
    border: 1px solid var(--is-status-danger-border);
    border-radius: 10px;
    background: var(--is-status-danger-bg);
    color: var(--is-status-danger-text);
    font-size: 14px;
}

.auth-info {
    margin-bottom: 24px;
    padding: 12px 16px;
    border: 1px solid var(--is-accent);
    border-radius: 10px;
    background: var(--is-accent-soft);
    color: var(--is-accent-text);
    font-size: 14px;
}

.auth-footnote {
    margin: 24px 0 0;
    padding-top: 20px;
    border-top: 1px solid var(--is-line);
    text-align: center;
    font-size: 13px;
    line-height: 1.5;
    color: var(--is-text-muted);
}

.auth-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.auth-feature-icon {
    display: grid;
    width: 36px;
    height: 36px;
    background: var(--is-bg-surface);
    border-radius: 10px;
    color: var(--is-c-jungle);
    flex-shrink: 0;
    place-items: center;

}


.auth-mascot {
    display: block;
    width: 240px;
    max-width: 100%;
    height: auto;
    align-self: flex-end;
    margin-top: auto;
    padding-top: 40px;
}

.auth-password {
    position: relative;
}

.auth-password-toggle {
    position: absolute;
    top: 50%;
    right: 4px;
    transform: translateY(-50%);
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--is-text-2);
    cursor: pointer;
}


.auth-password-toggle:hover {
    background: var(--is-bg-soft);
}

.auth-password-toggle:focus-visible {
    outline: 2px solid var(--is-accent);
    outline-offset: 2px;
}

.auth-password input {
    padding-right: 56px;
}

@media (max-width: 900px) {
    .auth-brand {
        padding: 40px 32px;
    }

    .auth-panel {
        padding: 100px 32px 48px;
    }


}

@media (max-width: 700px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .auth-brand {
        padding: 28px 24px;
    }

    .auth-brand-content {
        margin-top: 32px;
    }

    .auth-panel {
        padding: 80px 24px 48px;
    }

    .auth-toplink {
        top: 24px;
        right: 24px;
    }

    .auth-mascot {
        display: none;
    }
}
/* Auth controls and supporting screens. */
.auth-label-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.auth-label-row a { font-size: 13px; text-decoration: none; }
.auth-remember { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; }
.auth-remember input, .auth-interests input { width: 18px; height: 18px; margin: 0; accent-color: var(--is-accent); flex-shrink: 0; }
.auth-invite { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--is-line); text-align: center; }
.auth-invite a { font-weight: 600; }
.auth-invite + .auth-footnote { border: 0; padding-top: 0; }
.auth-error { display: flex; align-items: flex-start; gap: 10px; }
.auth-error .ic { flex-shrink: 0; margin-top: 2px; }
.auth-error ul, .errorlist { list-style: none; padding: 0; margin: 0; }
.errorlist { color: var(--is-status-danger-text); font-size: 13px; }
.auth-field textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--is-line-strong); border-radius: 10px; background: var(--is-bg-surface); resize: vertical; min-height: 100px; }
.auth-header { display: flex; justify-content: space-between; align-items: center; padding: 24px clamp(24px, 6vw, 80px); border-bottom: 1px solid var(--is-line); background: var(--is-bg-public); gap: 24px; }
.auth-header > a:first-child { display: flex; flex-direction: column; align-items: center; font-family: var(--is-font-brand); font-size: 11px; text-decoration: none; color: var(--is-text-heading); }
.auth-card { max-width: 440px; margin: 64px auto; padding: 32px; border: 1px solid var(--is-line); border-radius: 20px; background: var(--is-bg-surface); }
.auth-card .auth-title { font-size: 26px; line-height: 1.35; margin-bottom: 20px; }
.auth-help { color: var(--is-text-muted); font-size: 13px; line-height: 1.5; }
.auth-help ul { padding-left: 18px; margin: 0; }
.auth-intro-copy { margin-top: 20px; font-size: 17px; line-height: 1.6; }
.auth-steps { padding-left: 24px; margin-top: 28px; line-height: 2.3; }
.auth-interests { border: 0; padding: 0; margin: 0; min-width: 0; }
.auth-interests legend { font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.auth-interests > div { display: flex; flex-wrap: wrap; gap: 8px; }
.auth-interests label { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid var(--is-line-strong); border-radius: 24px; font-size: 14px; cursor: pointer; }
.auth-interests label:has(input:checked) { border-color: var(--is-accent); background: var(--is-accent-soft); }
.auth-field input[aria-invalid="true"] { border-color: var(--is-status-danger-text); }
@media (max-width: 700px) {
    .auth-brand { padding-bottom: 28px; }
    .auth-card { margin: 32px 20px; padding: 24px; max-width: none; }
    .auth-headline { font-size: 28px; }
    .auth-label-row { gap: 8px; flex-wrap: wrap; }
}


/* Login reference: 1440 × 900 artboard. */
.auth-logo-art {
    position: relative;
    display: block;
    width: 90px;
    height: 32px;
    overflow: hidden;
}
.auth-logo-art img {
    position: absolute;
    width: 112.5px;
    max-width: none;
    height: 112.5px;
    left: -11.25px;
    top: -40.4px;
}
.auth-login .auth-brand-content { margin-top: 88px; }
.auth-login .auth-headline { font-size: 36px; line-height: 1.3; }
.auth-login .auth-features { margin-top: 24px; gap: 15px; font-size: 14px; line-height: 20px; }
.auth-login .auth-feature strong { font-size: 14px; font-weight: 600; }
.auth-login .auth-features p { line-height: 20px; }
.auth-login .auth-title { line-height: 39px; margin-bottom: 4px; }
.auth-login .auth-description { font-size: 16px; line-height: 24px; margin-bottom: 24px; }
.auth-login .auth-field { gap: 4px; }
.auth-login .auth-field label { line-height: 20px; }
.auth-login .auth-label-row { line-height: 20px; }
.auth-login .auth-remember { margin-bottom: 3px; }
.auth-login .auth-remember input,
.auth-invitation .auth-interests input {
    appearance: none;
    display: grid;
    place-items: center;
    border: 1px solid var(--is-line-strong);
    border-radius: 4px;
    background: var(--is-bg-surface);
}
.auth-login .auth-remember input:checked, .auth-invitation .auth-interests input:checked { background: var(--is-accent); border-color: var(--is-accent); }
.auth-login .auth-remember input:checked::before,
.auth-invitation .auth-interests input:checked::before {
    content: "";
    width: 9px;
    height: 5px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: translateY(-1px) rotate(-45deg);
}
.auth-login .auth-error { padding: 12px 16px; min-height: 46px; line-height: 20px; }
.auth-login .auth-error .ic { width: 16px; height: 16px; margin-top: 2px; }
.auth-login .auth-remember { font-size: 15px; line-height: 24px; }
.auth-login .auth-invite { font-size: 16px; line-height: 24px; }
.auth-login .auth-footnote { font-size: 13px; line-height: 19.5px; }
@media (min-width: 901px) {
    .auth-login .auth-layout { width: 100%; max-width: 1440px; min-height: 900px; }
    .auth-login .auth-brand { position: relative; overflow: hidden; }
    .auth-login .auth-panel { align-items: flex-start; padding-top: 160px; }
    .auth-login .auth-mascot {
        position: absolute;
        width: 250px;
        height: auto;
        right: -10px;
        bottom: -30px;
        margin: 0;
        padding: 0;
    }
}
@media (max-width: 900px) {
    .auth-login .auth-brand-content { margin-top: 48px; }
    .auth-login .auth-headline { font-size: 30px; }
}
@media (max-width: 700px) {
    .auth-login .auth-brand-content { margin-top: 32px; }
    .auth-login .auth-headline { font-size: 28px; }
}

/* Scale the approved desktop composition as a single unit. */
body.auth-login { background: var(--is-bg-public); }
@media (min-width: 901px) {
    .auth-login .auth-layout {
        width: var(--auth-width, 1440px);
        max-width: none;
        min-height: 900px;
        zoom: var(--auth-scale, 1);
    }
}

/* Invitation request: the same responsive artboard, with its own composition. */
.auth-invitation .auth-form-wrap { max-width: 440px; }
.auth-invitation .auth-title { line-height: 39px; margin-bottom: 4px; }
.auth-invitation .auth-description { margin-bottom: 20px; }
.auth-invitation .auth-form { gap: 16px; }
.auth-invitation .auth-field { gap: 8px; }
.auth-invitation .auth-intro-copy { max-width: 440px; margin-top: 16px; font-size: 17px; line-height: 27px; }
.auth-invitation .auth-steps-heading { margin-top: 28px; margin-bottom: 10px; }
.auth-invitation .auth-steps { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; counter-reset: invitation-step; font-size: 15px; line-height: 28px; }
.auth-invitation .auth-steps li { display: flex; align-items: center; gap: 12px; counter-increment: invitation-step; }
.auth-invitation .auth-steps li::before { content: counter(invitation-step); display: grid; place-items: center; width: 28px; height: 28px; flex-shrink: 0; border: 1px solid var(--is-line-strong); border-radius: 50%; background: white; font-weight: 600; font-size: 14px; }
.auth-invitation .auth-steps li:first-child::before { background: var(--is-accent); border-color: var(--is-accent); color: white; }
.auth-invitation .auth-interests legend { line-height: 20px; margin-bottom: 8px; padding: 0; }
.auth-invitation .auth-interests label { padding: 9px 14px; line-height: 24px; background: var(--is-bg-surface); }
.auth-invitation .auth-interests label:has(input:checked) { background: #EDF6E7; color: var(--is-accent-text); font-weight: 600; }
.auth-invitation .auth-field textarea { height: 92px; min-height: 92px; resize: vertical; }
.auth-invitation .auth-footnote { margin-top: 18px; padding-top: 16px; }
@media (min-width: 901px) {
    .auth-invitation .auth-panel { padding-top: 136px; }
    .auth-invitation .auth-mascot { width: 220px; height: 296px; right: 10px; bottom: 0; margin: 0; padding: 0; object-fit: contain; background: transparent; }
}

/* Registration from a project invitation. */
.auth-invitation-accept .auth-brand-content { max-width: none; width: 100%; margin-top: 78px; }
.auth-invitation-card { padding: 28px; border-radius: 20px; background: var(--is-bg-surface); box-shadow: 0 12px 36px rgba(43,67,49,.1); }
.auth-invitation-card .auth-eyebrow { margin-bottom: 16px; }
.auth-project-summary { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.auth-project-avatar { display: grid; place-items: center; width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; background: var(--is-accent); color: white; font-size: 18px; font-weight: 600; }
.auth-project-summary h1 { font: 600 21px/28px var(--is-font-brand); overflow-wrap: anywhere; }
.auth-project-summary p { color: var(--is-text-muted); font-size: 15px; }
.auth-inviter { font-size: 17px; line-height: 26px; }
.auth-role { padding: 2px 8px; border-radius: 5px; background: var(--is-c-cream); font: 600 13px var(--is-font-brand); white-space: nowrap; }
.auth-invitation-benefits { display: grid; gap: 10px; list-style: none; padding: 0; margin: 18px 0; font-size: 15px; line-height: 20px; }
.auth-invitation-benefits li { display: flex; gap: 10px; align-items: flex-start; }
.auth-invitation-benefits .ic { flex-shrink: 0; width: 18px; height: 18px; color: var(--is-accent); }
.auth-invitation-expiry { color: var(--is-text-muted); font: 13px/20px var(--is-font-brand); }
.auth-invitation-accept .auth-form-wrap { max-width: 440px; }
.auth-invitation-accept .auth-form { gap: 24px; }
.auth-invitation-accept .auth-field { gap: 4px; }
.auth-invitation-accept .auth-description { margin-bottom: 28px; }
.auth-invitation-accept input:disabled { background: var(--is-bg-app); color: var(--is-text-2); opacity: 1; }
.auth-account-tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 24px; border-radius: 12px; background: var(--is-bg-soft); font-size: 15px; }
.auth-account-tabs a, .auth-account-tabs span { padding: 10px; text-align: center; text-decoration: none; }
.auth-account-tabs span { border-radius: 9px; background: white; color: var(--is-text-heading); font-weight: 600; box-shadow: 0 1px 3px #0001; }
.auth-existing-account { margin-top: 24px; text-align: center; font-size: 13px; color: var(--is-text-muted); }
.auth-existing-account a { font-weight: 600; }
.auth-field select { width: 100%; padding: 12px; border: 1px solid var(--is-line-strong); border-radius: 10px; background: white; }
.auth-issued { padding: 16px; border-radius: 10px; background: var(--is-accent-soft); margin-bottom: 24px; overflow-wrap: anywhere; }
.auth-management-title { font-size: 20px; margin: 28px 0 12px; }
.auth-management-row { padding: 14px 0; border-bottom: 1px solid var(--is-line); overflow-wrap: anywhere; }
.auth-management-row form { margin-top: 8px; }
@media (min-width: 901px) { .auth-invitation-accept .auth-panel { padding-top: 156px; } }
@media (max-width: 700px) { .auth-invitation-accept .auth-brand-content { margin-top: 32px; } .auth-invitation-card { padding: 22px; } }

.auth-switch-tabs { position: relative; isolation: isolate; }
.auth-switch-tabs::before { content: ""; position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); background: white; border-radius: 9px; box-shadow: 0 1px 3px #0001; transition: transform 220ms ease; z-index: -1; }
.auth-switch-tabs[data-active="signup"]::before { transform: translateX(100%); }
.auth-switch-tabs button { border: 0; background: transparent; border-radius: 9px; padding: 10px; text-align: center; color: var(--is-text-2); cursor: pointer; }
.auth-switch-tabs button[aria-selected="true"] { color: var(--is-text-heading); font-weight: 600; }
.auth-invitation-accept [role="tabpanel"] { animation: auth-panel-in 220ms ease; }
@keyframes auth-panel-in { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: translateX(0); } }
.auth-text-button { border: 0; padding: 0; background: transparent; color: var(--is-accent-text); text-decoration: underline; font: inherit; font-weight: 600; cursor: pointer; }
.auth-account-notice, .auth-current-account { padding: 12px 14px; margin-bottom: 20px; border: 1px solid var(--is-line); background: var(--is-bg-soft); border-radius: 10px; font-size: 14px; line-height: 21px; overflow-wrap: anywhere; }
.auth-current-account button { margin-top: 10px; }
@media (prefers-reduced-motion: reduce) { .auth-switch-tabs::before { transition: none; } .auth-invitation-accept [role="tabpanel"] { animation: none; } }