/* Operational service states. Calm, legible and reusable across the app shell. */
.logicum-error-page[hidden] {
    display: none !important;
}

.logicum-error-page {
    --error-state: #d6a06b;
    position: fixed;
    inset: 0;
    z-index: 10000;
    overflow: auto;
    color: var(--text-primary, #ececec);
    background: var(--bg-dark, #212121);
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    animation: logicum-error-in 240ms ease-out both;
}

.logicum-error-page::before {
    position: fixed;
    inset: 0;
    content: '';
    pointer-events: none;
    opacity: .48;
    background: linear-gradient(180deg, color-mix(in srgb, var(--bg-sidebar, #171717) 42%, transparent), transparent 42%);
}

.logicum-error-page-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(100% - 48px, 1120px);
    min-height: 100%;
    margin: 0 auto;
    padding: 28px 0 24px;
}

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

.logicum-error-header {
    min-height: 40px;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color, #424242) 72%, transparent);
}

.logicum-error-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary, #ececec);
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: -.02em;
    text-decoration: none;
}

.logicum-error-brand-mark {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border: 1px solid color-mix(in srgb, var(--text-primary, #ececec) 35%, transparent);
    border-radius: 7px;
    color: var(--text-primary, #ececec);
    font-size: .73rem;
    font-weight: 800;
    letter-spacing: -.08em;
}

.logicum-error-environment,
.logicum-error-footer {
    color: color-mix(in srgb, var(--text-secondary, #b4b4b4) 72%, transparent);
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.logicum-error-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
    gap: 24px;
    align-items: stretch;
    width: 100%;
    margin: auto 0;
    padding: clamp(44px, 8vh, 96px) 0;
}

.logicum-error-card,
.logicum-error-recovery {
    border: 1px solid var(--border-color, #424242);
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg-sidebar, #171717) 78%, var(--bg-dark, #212121));
    box-shadow: 0 18px 50px color-mix(in srgb, #000 18%, transparent);
}

.logicum-error-card {
    position: relative;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    grid-template-areas:
        'top top'
        'icon copy'
        'actions actions';
    gap: 24px 22px;
    overflow: hidden;
    padding: clamp(28px, 4vw, 52px);
}

.logicum-error-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    content: '';
    background: var(--error-state);
}

.logicum-error-card-topline {
    display: flex;
    grid-area: top;
    align-items: center;
    gap: 9px;
    min-height: 20px;
}

.logicum-error-status-dot {
    width: 7px;
    height: 7px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--error-state);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--error-state) 13%, transparent);
}

.logicum-error-kicker {
    margin: 0;
    color: color-mix(in srgb, var(--error-state) 78%, var(--text-primary, #ececec));
    font-size: .69rem;
    font-weight: 700;
    letter-spacing: .11em;
    line-height: 1.2;
    text-transform: uppercase;
}

.logicum-error-code {
    margin-left: auto;
    padding: 5px 8px;
    border: 1px solid color-mix(in srgb, var(--border-color, #424242) 90%, transparent);
    border-radius: 6px;
    color: color-mix(in srgb, var(--text-secondary, #b4b4b4) 82%, transparent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: .61rem;
    font-weight: 600;
    letter-spacing: .08em;
}

.logicum-error-icon {
    display: grid;
    grid-area: icon;
    place-items: center;
    align-self: start;
    width: 72px;
    height: 72px;
    border: 1px solid color-mix(in srgb, var(--error-state) 45%, var(--border-color, #424242));
    border-radius: 16px;
    color: var(--error-state);
    background: color-mix(in srgb, var(--error-state) 9%, var(--bg-dark, #212121));
}

.logicum-error-icon svg {
    width: 32px;
    height: 32px;
}

.logicum-error-copy {
    grid-area: copy;
    align-self: center;
}

.logicum-error-title {
    max-width: 620px;
    margin: 0;
    color: var(--text-primary, #ececec);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 650;
    letter-spacing: -.055em;
    line-height: 1.05;
}

.logicum-error-description {
    max-width: 580px;
    margin: 15px 0 0;
    color: var(--text-secondary, #b4b4b4);
    font-size: clamp(.92rem, 1.6vw, 1rem);
    line-height: 1.65;
}

.logicum-error-actions {
    display: flex;
    grid-area: actions;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 2px;
}

.logicum-error-action {
    min-width: 132px;
    min-height: 42px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
    font: 600 .82rem/1 'Manrope', sans-serif;
    transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.logicum-error-action:hover {
    transform: translateY(-1px);
}

.logicum-error-action:focus-visible {
    outline: 2px solid var(--text-primary, #ececec);
    outline-offset: 3px;
}

.logicum-error-action-primary {
    color: #fff;
    background: var(--accent-color, #475569);
    box-shadow: 0 5px 16px color-mix(in srgb, var(--accent-color, #475569) 20%, transparent);
}

.logicum-error-action-primary:hover {
    background: color-mix(in srgb, var(--accent-color, #475569) 84%, white);
}

.logicum-error-action-secondary {
    color: var(--text-primary, #ececec);
    border-color: var(--border-color, #424242);
    background: transparent;
}

.logicum-error-action-secondary:hover {
    border-color: color-mix(in srgb, var(--text-primary, #ececec) 36%, var(--border-color, #424242));
    background: color-mix(in srgb, var(--text-primary, #ececec) 5%, transparent);
}

.logicum-error-recovery {
    align-self: stretch;
    padding: 28px;
}

.logicum-error-recovery-eyebrow {
    margin: 0;
    color: color-mix(in srgb, var(--text-secondary, #b4b4b4) 78%, transparent);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.logicum-error-recovery h2 {
    margin: 12px 0 8px;
    color: var(--text-primary, #ececec);
    font-size: 1rem;
    font-weight: 650;
    letter-spacing: -.025em;
}

.logicum-error-recovery-text {
    margin: 0;
    color: var(--text-secondary, #b4b4b4);
    font-size: .82rem;
    line-height: 1.55;
}

.logicum-error-recovery-list {
    display: grid;
    gap: 0;
    margin: 25px 0 0;
    padding: 0;
    list-style: none;
}

.logicum-error-recovery-list li {
    display: grid;
    grid-template-columns: 25px 1fr;
    gap: 10px;
    align-items: start;
    padding: 14px 0;
    border-top: 1px solid color-mix(in srgb, var(--border-color, #424242) 72%, transparent);
}

.logicum-error-recovery-list span {
    color: color-mix(in srgb, var(--error-state) 78%, var(--text-secondary, #b4b4b4));
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: .67rem;
    font-weight: 600;
}

.logicum-error-recovery-list p {
    margin: 0;
    color: color-mix(in srgb, var(--text-primary, #ececec) 82%, var(--text-secondary, #b4b4b4));
    font-size: .78rem;
    line-height: 1.45;
}

.logicum-error-footer {
    min-height: 32px;
    padding-top: 18px;
    border-top: 1px solid color-mix(in srgb, var(--border-color, #424242) 72%, transparent);
}

.logicum-error-footer span:last-child {
    color: color-mix(in srgb, var(--text-secondary, #b4b4b4) 48%, transparent);
}

.logicum-error-page.is-404,
.logicum-error-page.is-401,
.logicum-error-page.is-403 {
    --error-state: var(--accent-color, #64748b);
}

@keyframes logicum-error-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 760px) {
    .logicum-error-page-inner {
        width: min(100% - 32px, 560px);
        padding-top: 18px;
    }

    .logicum-error-layout {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 0;
        padding: 38px 0 32px;
    }

    .logicum-error-card {
        grid-template-columns: 56px minmax(0, 1fr);
        gap: 20px 16px;
        padding: 26px 22px;
    }

    .logicum-error-icon {
        width: 56px;
        height: 56px;
        border-radius: 13px;
    }

    .logicum-error-icon svg {
        width: 27px;
        height: 27px;
    }

    .logicum-error-title {
        font-size: clamp(1.7rem, 8vw, 2.35rem);
    }

    .logicum-error-recovery {
        padding: 22px;
    }
}

@media (max-width: 420px) {
    .logicum-error-environment {
        display: none;
    }

    .logicum-error-card {
        grid-template-columns: 1fr;
        grid-template-areas:
            'top'
            'icon'
            'copy'
            'actions';
    }

    .logicum-error-icon {
        width: 52px;
        height: 52px;
    }

    .logicum-error-actions {
        flex-direction: column;
    }

    .logicum-error-action {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .logicum-error-page,
    .logicum-error-action {
        animation: none;
        transition: none;
    }
}

body.logicum-error-page-active { overflow: hidden; }
body.logicum-error-page-active > .sidebar,
body.logicum-error-page-active > .main-content {
    visibility: hidden;
    pointer-events: none;
}