.public-page {
    margin: 0;
    color: var(--text-primary);
    background-color: var(--page-background);
    background-image:
        linear-gradient(var(--page-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--page-grid) 1px, transparent 1px);
    background-size: 32px 32px;
    font-family: var(--font-sans);
}

.public-page a {
    color: inherit;
}

.public-site-shell {
    display: flex;
    width: min(100%, calc(var(--content-width) + var(--space-12) * 2));
    min-height: 100vh;
    margin: 0 auto;
    padding: 0 var(--space-12);
    flex-direction: column;
}

.public-header,
.public-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.public-header {
    min-height: 6.5rem;
    border-bottom: var(--border-width) solid var(--border-subtle);
}

.public-brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.public-brand-logo {
    width: 14rem;
    height: auto;
}

.technical-label,
.error-code {
    font-family: var(--font-accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.public-security-label {
    display: inline-flex;
    margin: 0;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.public-security-label span,
.security-note span {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 3px var(--success-surface);
}

.public-auth-grid {
    display: grid;
    width: 100%;
    margin: auto 0;
    padding: var(--space-16) 0;
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 27rem);
    align-items: center;
    gap: clamp(3rem, 8vw, 7rem);
}

.auth-context {
    max-width: 40rem;
}

.technical-label {
    margin: 0 0 var(--space-4);
    color: var(--accent);
    font-size: 0.65rem;
    font-weight: 700;
}

.auth-context h1,
.public-error-layout h1 {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(2.4rem, 5.5vw, 4.75rem);
    font-weight: 680;
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.auth-context-copy {
    max-width: 35rem;
    margin: var(--space-6) 0 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.security-summary,
.invitation-summary {
    margin: var(--space-8) 0 0;
}

.security-summary {
    display: grid;
    max-width: 35rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.security-summary div {
    padding: var(--space-4) 0;
}

.security-summary div + div {
    padding-left: var(--space-4);
    border-left: 1px solid var(--border-subtle);
}

.security-summary dt,
.invitation-summary dt {
    color: var(--text-tertiary);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.security-summary dd,
.invitation-summary dd {
    margin: var(--space-1) 0 0;
    color: var(--text-primary);
    font-size: 0.86rem;
    font-weight: 650;
}

.invitation-summary {
    max-width: 35rem;
    border-top: 1px solid var(--border-subtle);
}

.invitation-summary div {
    display: grid;
    padding: var(--space-3) 0;
    grid-template-columns: 7rem minmax(0, 1fr);
    border-bottom: 1px solid var(--border-subtle);
}

.invitation-summary dd {
    overflow-wrap: anywhere;
}

.auth-panel {
    padding: var(--space-8);
    border: var(--border-width) solid var(--border-strong);
    border-radius: var(--radius-panel);
    background: var(--surface-elevated);
    box-shadow: var(--shadow-panel);
}

.auth-panel-heading {
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
}

.auth-panel-heading h2 {
    margin: 0;
    font-size: 1.65rem;
    letter-spacing: -0.035em;
}

.auth-panel-heading p:last-child {
    margin: var(--space-2) 0 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.public-page .auth-form {
    display: grid;
    margin-top: var(--space-6);
    gap: var(--space-5);
}

.form-field {
    display: grid;
    gap: var(--space-2);
}

.form-field label {
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 720;
}

.public-page .auth-form input {
    width: 100%;
    min-height: 2.9rem;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-control);
    outline: none;
    color: var(--text-primary);
    background: var(--surface-primary);
    box-shadow: none;
    transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.public-page .auth-form input:hover {
    border-color: var(--accent);
}

.public-page .auth-form input:focus,
.public-page .auth-form input:focus-visible {
    border-color: var(--accent);
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
}

.field-help {
    margin: 0;
    color: var(--text-tertiary);
    font-size: 0.73rem;
    line-height: 1.5;
}

.public-page .primary-button,
.public-page .secondary-button {
    display: inline-flex;
    min-height: 2.75rem;
    margin: 0;
    padding: 0.7rem 1rem;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-control);
    cursor: pointer;
    font-weight: 750;
    text-decoration: none;
}

.public-page .primary-button {
    border: 1px solid var(--brand-primary-purple);
    color: var(--brand-off-white);
    background: var(--brand-primary-purple);
}

.public-page .primary-button:hover {
    background: var(--button-primary-hover);
}

.public-page .secondary-button {
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    background: var(--surface-secondary);
}

.public-page .secondary-button:hover {
    border-color: var(--accent);
}

.public-alert {
    margin-top: var(--space-5);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--danger);
    border-radius: var(--radius-control);
    color: var(--danger);
    background: var(--danger-surface);
    font-size: 0.82rem;
    font-weight: 650;
}

.public-page .security-note {
    display: flex;
    margin: var(--space-5) 0 0;
    align-items: flex-start;
    gap: var(--space-2);
    color: var(--text-tertiary);
    font-size: 0.72rem;
    line-height: 1.5;
    text-align: left;
}

.public-page .security-note span {
    flex: 0 0 auto;
    margin-top: 0.25rem;
}

.public-footer {
    min-height: 4rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-tertiary);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.public-footer p {
    margin: 0;
}

.public-error-layout {
    width: min(100%, 42rem);
    margin: auto;
    padding: var(--space-16) 0;
}

.error-code {
    margin: 0 0 var(--space-5);
    color: var(--accent);
    font-size: 0.75rem;
}

.public-error-layout h1 {
    max-width: 38rem;
    font-size: clamp(2.5rem, 6vw, 4rem);
}

.error-copy {
    max-width: 36rem;
    margin: var(--space-6) 0 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.error-guidance {
    display: grid;
    margin: var(--space-8) 0;
    padding: var(--space-4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-surface);
    background: var(--surface-primary);
    gap: var(--space-1);
    font-size: 0.82rem;
}

.error-guidance span {
    color: var(--text-secondary);
}

@media (max-width: 52rem) {
    .public-site-shell {
        padding: 0 var(--space-6);
    }

    .public-auth-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .auth-context {
        max-width: 38rem;
    }
}

@media (max-width: 36rem) {
    .public-site-shell {
        padding: 0 var(--space-4);
    }

    .public-security-label,
    .public-footer p:last-child {
        display: none;
    }

    .public-auth-grid,
    .public-error-layout {
        padding: var(--space-10) 0;
    }

    .auth-panel {
        padding: var(--space-6);
    }

    .security-summary {
        grid-template-columns: 1fr;
    }

    .security-summary div + div {
        padding-left: 0;
        border-top: 1px solid var(--border-subtle);
        border-left: 0;
    }
}