:root {
    --portal-error-canvas: var(--surface-canvas, rgb(var(--body-bg-rgb, 246, 247, 251)));
    --portal-error-text: var(--default-text-color, #32323f);
    --portal-error-muted: var(--text-muted, #747487);
    --portal-error-accent: var(--primary-rgb, 98, 79, 191);
}

.portal-error-page,
.portal-connection-page,
#blazor-error-ui {
    position: fixed;
    inset: 0;
    z-index: 20000;
    width: 100%;
    min-height: 100dvh;
    overflow: auto;
    color: var(--portal-error-text);
    background: var(--portal-error-canvas);
}

.portal-error-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.88;
    pointer-events: none;
    user-select: none;
}

.portal-error-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.portal-error-shell {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(19rem, 0.86fr) minmax(27rem, 1.14fr);
    gap: clamp(1.5rem, 4vw, 4.5rem);
    width: min(100%, 74rem);
    min-height: 100dvh;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 5rem) clamp(1.5rem, 5vw, 4rem);
    align-items: center;
}

.portal-error-copy {
    text-align: center;
}

.portal-error-code {
    margin: 0 0 1.9rem;
    color: var(--portal-error-text);
    font-family: Montserrat, sans-serif;
    font-size: clamp(8rem, 15vw, 11.5rem);
    font-weight: 700;
    line-height: 0.72;
    letter-spacing: -0.07em;
}

.portal-error-copy h1,
.portal-connection-copy h2,
#blazor-error-ui h2 {
    margin: 0;
    color: var(--portal-error-text);
    font-family: Montserrat, sans-serif;
    font-size: clamp(1.45rem, 2.4vw, 1.85rem);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.portal-error-description,
.portal-connection-copy > p:not(.portal-error-code),
#blazor-error-ui .portal-error-description {
    max-width: 30rem;
    margin: 0.9rem auto 0;
    color: var(--portal-error-muted);
    font-size: clamp(0.82rem, 1.2vw, 0.95rem);
    line-height: 1.65;
}

.portal-error-actions,
.portal-connection-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.55rem;
    align-items: center;
    justify-content: center;
}

.portal-error-button {
    --button-accent: var(--portal-error-accent);
    display: inline-flex;
    min-height: 2.85rem;
    padding: 0.78rem 1.15rem;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    color: #fff;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 650;
    line-height: 1;
    text-decoration: none;
    background: rgb(var(--button-accent));
    border: 1px solid rgb(var(--button-accent));
    border-radius: 8px;
    box-shadow: 0 0.35rem 0.85rem rgba(var(--button-accent), 0.16);
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.portal-error-button:hover {
    color: #fff;
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: 0 0.5rem 1rem rgba(var(--button-accent), 0.2);
}

.portal-error-button:focus-visible,
.portal-error-link:focus-visible {
    outline: 2px solid rgba(var(--portal-error-accent), 0.55);
    outline-offset: 3px;
}

.portal-error-button i {
    font-size: 1rem;
}

.portal-error-link {
    padding: 0.5rem;
    color: var(--portal-error-muted);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.portal-error-page--offline .portal-error-code,
.portal-connection-copy--connecting .portal-error-code {
    font-size: clamp(3.8rem, 7.2vw, 5.6rem);
    line-height: 0.8;
    letter-spacing: -0.055em;
}

.portal-error-link:hover {
    color: rgb(var(--portal-error-accent));
}

.portal-error-art {
    display: grid;
    place-items: center;
}

.portal-error-art img {
    display: block;
    width: min(100%, 35rem);
    height: auto;
    animation: portal-error-float 5s ease-in-out infinite;
}

/* Reconexão e erro fatal precisam existir fora do circuito Blazor. */
#components-reconnect-modal,
#blazor-error-ui {
    display: none;
}

#components-reconnect-modal.components-reconnect-show.portal-reconnect-visible,
#components-reconnect-modal.components-reconnect-retrying.portal-reconnect-visible,
#components-reconnect-modal.components-reconnect-failed,
#components-reconnect-modal.components-reconnect-rejected,
#components-reconnect-modal.portal-offline-forced,
#blazor-error-ui[style*="display: block"] {
    display: block !important;
}

/* O estado de conexão restaurada sempre prevalece sobre classes anteriores. */
#components-reconnect-modal.components-reconnect-hide {
    display: none !important;
}

.portal-connection-copy--failed,
.portal-connection-copy--rejected,
.portal-reconnecting-notice-icon,
.portal-offline-message {
    display: none;
}

#components-reconnect-modal.components-reconnect-failed .portal-connection-copy--connecting,
#components-reconnect-modal.components-reconnect-rejected .portal-connection-copy--connecting,
#components-reconnect-modal.components-reconnect-failed .portal-connection-attempt,
#components-reconnect-modal.components-reconnect-rejected .portal-connection-attempt {
    display: none;
}

#components-reconnect-modal.components-reconnect-failed .portal-connection-copy--failed,
#components-reconnect-modal.components-reconnect-rejected .portal-connection-copy--rejected,
#components-reconnect-modal.portal-network-offline .portal-offline-message {
    display: block;
}

#components-reconnect-modal.portal-network-offline .portal-online-message {
    display: none;
}

.portal-connection-attempt {
    display: inline-flex;
    gap: 0.22rem;
    margin-top: 1.15rem;
    align-items: baseline;
    color: var(--portal-error-muted);
    font-size: 0.72rem;
}

.portal-connection-attempt strong {
    color: var(--portal-error-text);
    font-variant-numeric: tabular-nums;
    font-weight: 650;
}

/* Reconexões com rede disponível preservam o conteúdo e só aparecem após um atraso curto. */
#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) {
    inset: auto 1.25rem 1.25rem auto;
    width: min(25rem, calc(100% - 2rem));
    min-height: 0;
    overflow: visible;
    background: transparent;
    pointer-events: none;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-error-background,
#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-error-art {
    display: none;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-error-shell {
    display: block;
    width: 100%;
    min-height: 0;
    margin: 0;
    padding: 0;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-error-copy {
    text-align: left;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-connection-copy--connecting {
    display: grid;
    grid-template-columns: 2.75rem minmax(0, 1fr);
    gap: 0.2rem 0.85rem;
    padding: 1rem;
    align-items: center;
    background: var(--surface-elevated, var(--custom-white, #fff));
    border: 1px solid var(--surface-border, var(--default-border, rgba(15, 23, 42, 0.1)));
    border-radius: 1rem;
    box-shadow: 0 0.8rem 2rem rgba(15, 23, 42, 0.12);
    pointer-events: auto;
    animation: portal-reconnect-notice-enter 240ms ease-out both;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-reconnecting-notice-icon {
    display: grid;
    grid-column: 1;
    grid-row: 1 / span 3;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    color: rgb(var(--portal-error-accent));
    font-size: 1.3rem;
    background: rgba(var(--portal-error-accent), 0.1);
    border-radius: 10px;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-reconnecting-notice-icon i {
    animation: portal-reconnect-spin 900ms linear infinite;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-error-code {
    display: none;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-online-message,
#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-connection-attempt {
    grid-column: 2;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-connection-copy--connecting h2 {
    font-size: 0.9rem;
    line-height: 1.3;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-connection-copy--connecting > p:not(.portal-error-code) {
    max-width: none;
    margin: 0;
    font-size: 0.74rem;
    line-height: 1.45;
}

#components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-connection-attempt {
    margin-top: 0.35rem;
    font-size: 0.66rem;
}

[data-theme-mode="dark"] #components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-connection-copy--connecting {
    box-shadow: none;
}

[data-theme-mode="dark"] #components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) .portal-reconnecting-notice-icon {
    color: rgba(255, 255, 255, 0.82);
    background: rgba(255, 255, 255, 0.1);
}

/* Um circuito rejeitado exige nova sessão, mas não precisa substituir a tela atual. */
#components-reconnect-modal.components-reconnect-rejected {
    inset: auto 1.25rem 1.25rem auto;
    width: min(32rem, calc(100% - 2rem));
    min-height: 0;
    overflow: visible;
    background: transparent;
    pointer-events: none;
}

#components-reconnect-modal.components-reconnect-rejected .portal-error-background,
#components-reconnect-modal.components-reconnect-rejected .portal-error-particles,
#components-reconnect-modal.components-reconnect-rejected .portal-error-art {
    display: none;
}

html.portal-reconnect-required #blazor-error-ui {
    display: none !important;
}

#components-reconnect-modal.components-reconnect-rejected .portal-error-shell {
    display: block;
    width: 100%;
    min-height: 0;
    margin: 0;
    padding: 0;
}

#components-reconnect-modal.components-reconnect-rejected .portal-error-copy {
    text-align: left;
}

#components-reconnect-modal.components-reconnect-rejected .portal-connection-copy--rejected {
    display: grid;
    grid-template-columns: 2.75rem minmax(0, 1fr) auto;
    gap: 0.85rem;
    padding: 1rem;
    align-items: center;
    background: var(--surface-elevated, var(--custom-white, #fff));
    border: 1px solid var(--surface-border, var(--default-border, rgba(15, 23, 42, 0.1)));
    border-radius: 1rem;
    box-shadow: 0 0.8rem 2rem rgba(15, 23, 42, 0.12);
    pointer-events: auto;
    animation: portal-reconnect-notice-enter 240ms ease-out both;
}

.portal-reconnect-notice-icon {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    color: rgb(var(--portal-error-accent));
    font-size: 1.3rem;
    background: rgba(var(--portal-error-accent), 0.1);
    border-radius: 10px;
}

.portal-reconnect-notice-content {
    min-width: 0;
}

.portal-reconnect-notice-eyebrow {
    display: block;
    margin-bottom: 0.18rem;
    color: rgb(var(--portal-error-accent));
    font-size: 0.64rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

#components-reconnect-modal .portal-reconnect-notice-content h2 {
    font-size: 0.9rem;
    line-height: 1.3;
}

#components-reconnect-modal .portal-reconnect-notice-content p {
    margin: 0.25rem 0 0;
    color: var(--portal-error-muted);
    font-size: 0.74rem;
    line-height: 1.45;
}

.portal-reconnect-notice-actions {
    margin-top: 0;
}

.portal-reconnect-notice-actions .portal-error-button {
    min-height: 2.55rem;
    padding: 0.7rem 0.9rem;
    white-space: nowrap;
}

.portal-system-page,
.portal-system-page body {
    min-height: 100%;
    margin: 0;
    color: var(--portal-error-text);
    background: var(--portal-error-canvas);
}

[data-theme-mode="dark"] .portal-error-background,
.portal-system-page[data-theme-mode="dark"] .portal-error-background {
    opacity: 0.12;
}

[data-theme-mode="dark"] .portal-error-art img,
.portal-system-page[data-theme-mode="dark"] .portal-error-art img {
    border-radius: 2rem;
    mix-blend-mode: screen;
    opacity: 0.88;
}

@keyframes portal-error-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-0.65rem); }
}

@keyframes portal-reconnect-notice-enter {
    from { opacity: 0; transform: translateY(0.75rem); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes portal-reconnect-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 991.98px) {
    .portal-error-shell {
        grid-template-columns: minmax(0, 1fr);
        width: min(100%, 37rem);
    }

    .portal-error-art {
        display: none;
    }

    .portal-error-code {
        font-size: clamp(7rem, 28vw, 10rem);
    }
}

@media (max-width: 480px) {
    .portal-error-shell {
        padding-inline: 1rem;
    }

    .portal-error-actions,
    .portal-connection-actions {
        flex-direction: column;
    }

    .portal-error-button {
        width: 100%;
        max-width: 18rem;
    }

    #components-reconnect-modal.components-reconnect-rejected {
        inset: auto 0.75rem 0.75rem;
        width: auto;
    }

    #components-reconnect-modal.portal-reconnect-visible:not(.portal-network-offline):not(.components-reconnect-failed):not(.components-reconnect-rejected):is(.components-reconnect-show, .components-reconnect-retrying) {
        inset: auto 0.75rem 0.75rem;
        width: auto;
    }

    #components-reconnect-modal.components-reconnect-rejected .portal-connection-copy--rejected {
        grid-template-columns: 2.75rem minmax(0, 1fr);
    }

    .portal-reconnect-notice-actions {
        grid-column: 1 / -1;
    }

    .portal-reconnect-notice-actions .portal-error-button {
        width: 100%;
        max-width: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .portal-error-art img {
        animation: none;
    }

    .portal-error-button {
        transition: none;
    }

    #components-reconnect-modal.components-reconnect-rejected .portal-connection-copy--rejected {
        animation: none;
    }

    #components-reconnect-modal.portal-reconnect-visible .portal-reconnecting-notice-icon i {
        animation: none;
    }
}