.backend-page,
.backend-login-page {
    --backend-bg: color-mix(in srgb, var(--bg) 82%, #0c1210);
    --backend-panel: color-mix(in srgb, var(--surface) 90%, #101916);
    --backend-panel-2: color-mix(in srgb, var(--surface) 80%, #17201c);
    --backend-line: color-mix(in srgb, var(--border) 82%, #26322d);
    --backend-good: #42d6a4;
    --backend-warn: #d7b35a;
    --backend-danger: #dc6b72;
    background: var(--backend-bg);
}

.backend-page .button,
.backend-login-page .button {
    letter-spacing: 0;
    text-transform: none;
}

.backend-shell-frame {
    display: grid;
    grid-template-columns: 17rem minmax(0, 1fr);
    min-height: 100dvh;
    background: var(--backend-bg);
}

.backend-sidebar {
    position: sticky;
    top: 0;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 1rem;
    height: 100dvh;
    border-right: 1px solid var(--backend-line);
    background: color-mix(in srgb, var(--backend-panel) 92%, #070b0a);
    padding: 1rem;
}

.backend-brand-lockup {
    display: flex;
    align-items: center;
    gap: .75rem;
    min-width: 0;
    color: var(--text);
}

.backend-brand-mark {
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
    border: 1px solid var(--backend-good);
    background: color-mix(in srgb, var(--backend-good) 18%, transparent);
}

.backend-brand-lockup strong {
    display: block;
    color: var(--text);
    font-family: var(--heading-font);
    font-size: .86rem;
    letter-spacing: 0;
    line-height: 1.2;
}

.backend-brand-lockup small {
    display: block;
    color: var(--muted);
    font-size: .72rem;
    line-height: 1.3;
}

.backend-nav {
    display: grid;
    align-content: start;
    gap: 1.2rem;
    min-height: 0;
    overflow: auto;
    padding-right: .15rem;
}

.backend-nav-group {
    display: grid;
    gap: .35rem;
}

.backend-nav-group h2 {
    margin: 0 0 .2rem;
    color: color-mix(in srgb, var(--muted) 85%, var(--text));
    font-family: var(--heading-font);
    font-size: .68rem;
    font-weight: 650;
    letter-spacing: 0;
}

.backend-nav-item {
    display: flex;
    align-items: center;
    gap: .65rem;
    min-width: 0;
    min-height: 2.35rem;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: .45rem .55rem;
    color: var(--muted);
    font-family: var(--heading-font);
    font-size: .82rem;
    line-height: 1.25;
}

.backend-nav-item span {
    min-width: 0;
    overflow-wrap: anywhere;
}

.backend-nav-item:hover,
.backend-nav-item.active {
    border-color: color-mix(in srgb, var(--backend-good) 32%, var(--backend-line));
    background: color-mix(in srgb, var(--backend-good) 9%, transparent);
    color: var(--text);
}

.backend-icon {
    flex: 0 0 auto;
}

.backend-account {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: .65rem;
    align-items: center;
    border: 1px solid var(--backend-line);
    border-radius: 8px;
    background: var(--backend-panel-2);
    padding: .65rem;
}

.backend-avatar {
    display: grid;
    place-items: center;
    width: 2.1rem;
    height: 2.1rem;
    border: 1px solid color-mix(in srgb, var(--backend-good) 40%, var(--backend-line));
    border-radius: 8px;
    color: var(--backend-good);
    font-family: var(--heading-font);
    font-size: .76rem;
    font-weight: 700;
}

.backend-account-copy {
    min-width: 0;
}

.backend-account-copy strong,
.backend-account-copy small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.backend-account-copy strong {
    color: var(--text);
    font-size: .82rem;
    line-height: 1.25;
}

.backend-account-copy small {
    color: var(--muted);
    font-size: .7rem;
}

.backend-account button {
    display: grid;
    place-items: center;
    width: 2.1rem;
    height: 2.1rem;
    border: 1px solid var(--backend-line);
    border-radius: 8px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.backend-account button:hover {
    color: var(--text);
    border-color: var(--backend-good);
}

.backend-console-main {
    min-width: 0;
    overflow: visible;
}

.backend-topbar {
    display: flex;
    align-items: center;
    gap: .5rem;
    min-height: 3.2rem;
    border-bottom: 1px solid var(--backend-line);
    padding: 0 clamp(1rem, 3vw, 2rem);
    color: var(--muted);
    font-family: var(--heading-font);
    font-size: .78rem;
}

.backend-topbar a,
.backend-topbar strong {
    color: var(--text);
    font-weight: 650;
}

.backend-page-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, .78fr);
    gap: 1rem;
    align-items: end;
    padding: 1.6rem clamp(1rem, 3vw, 2rem) 1.2rem;
    border-bottom: 1px solid var(--backend-line);
}

.backend-page-head h1 {
    margin: 0;
    color: var(--text);
    font-family: var(--heading-font);
    font-size: 2rem;
    line-height: 1.1;
    letter-spacing: 0;
}

.backend-page-head p:not(.eyebrow) {
    max-width: 48rem;
    margin: .6rem 0 0;
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.6;
}

.backend-head-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--backend-line);
    background: var(--backend-line);
    gap: 1px;
}

.backend-head-stats div {
    min-width: 0;
    background: var(--backend-panel);
    padding: .75rem;
}

.backend-head-stats span,
.backend-head-stats small {
    display: block;
    color: var(--muted);
    font-family: var(--heading-font);
    font-size: .66rem;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.backend-head-stats strong {
    display: block;
    margin: .24rem 0;
    color: var(--text);
    font-family: var(--heading-font);
    font-size: 1rem;
    line-height: 1.15;
    overflow-wrap: anywhere;
}

.backend-workspace {
    display: grid;
    gap: 1rem;
    padding: 1rem clamp(1rem, 3vw, 2rem) 2rem;
}

.backend-panel-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, .78fr);
    gap: 1rem;
}

.backend-panel {
    display: grid;
    gap: .9rem;
    min-width: 0;
    border: 1px solid var(--backend-line);
    border-radius: 8px;
    background: var(--backend-panel);
    padding: 1rem;
}

.backend-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    min-width: 0;
}

.backend-panel-head h2 {
    margin: 0;
    color: var(--text);
    font-family: var(--heading-font);
    font-size: 1rem;
    line-height: 1.25;
    letter-spacing: 0;
}

.backend-panel-head a {
    flex: 0 0 auto;
    color: var(--backend-good);
    font-family: var(--heading-font);
    font-size: .76rem;
}

.backend-status-list,
.backend-config-list {
    display: grid;
    gap: 1px;
    margin: 0;
    border: 1px solid var(--backend-line);
    background: var(--backend-line);
}

.backend-status-list div,
.backend-config-list div {
    display: grid;
    grid-template-columns: minmax(8rem, .35fr) minmax(0, 1fr);
    gap: .75rem;
    align-items: baseline;
    min-width: 0;
    background: var(--backend-panel-2);
    padding: .7rem .8rem;
}

.backend-status-list dt,
.backend-config-list dt {
    color: var(--muted);
    font-family: var(--heading-font);
    font-size: .72rem;
    line-height: 1.3;
}

.backend-status-list dd,
.backend-config-list dd {
    min-width: 0;
    margin: 0;
    color: var(--text);
    font-size: .86rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.backend-action-list {
    display: grid;
    gap: .6rem;
}

.backend-action-list a {
    display: grid;
    gap: .2rem;
    min-width: 0;
    border: 1px solid var(--backend-line);
    border-radius: 8px;
    padding: .75rem;
    background: var(--backend-panel-2);
    color: var(--text);
}

.backend-action-list a:hover {
    border-color: color-mix(in srgb, var(--backend-good) 42%, var(--backend-line));
}

.backend-action-list strong {
    font-family: var(--heading-font);
    font-size: .86rem;
    line-height: 1.25;
}

.backend-action-list span {
    color: var(--muted);
    font-size: .78rem;
    line-height: 1.45;
}

.backend-boundary-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.backend-boundary-grid span,
.backend-page .tag {
    display: inline-flex;
    align-items: center;
    min-height: 1.65rem;
    border: 1px solid color-mix(in srgb, var(--backend-warn) 38%, var(--backend-line));
    border-radius: 999px;
    padding: .2rem .55rem;
    color: color-mix(in srgb, var(--backend-warn) 88%, var(--text));
    background: color-mix(in srgb, var(--backend-warn) 8%, transparent);
    font-family: var(--heading-font);
    font-size: .72rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.backend-page .workbench-panel,
.backend-page .workbench-card,
.backend-page .workbench-factor,
.backend-page .workbench-stat,
.backend-page .workbench-alert {
    border-color: var(--backend-line);
    border-radius: 8px;
    background: var(--backend-panel);
}

.backend-page .workbench-stat-grid,
.backend-page .workbench-card-grid {
    border-color: var(--backend-line);
    background: var(--backend-line);
}

.backend-page .workbench-form input,
.backend-login-form input {
    border-radius: 8px;
}

.backend-login-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(20rem, .52fr);
    gap: 1.2rem;
    min-height: 100dvh;
    padding: clamp(1rem, 4vw, 3rem);
    align-items: stretch;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--backend-panel) 88%, #0e1714), var(--backend-bg));
}

.backend-login-brand,
.backend-login-card {
    border: 1px solid var(--backend-line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--backend-panel) 88%, transparent);
}

.backend-login-brand {
    display: grid;
    align-content: center;
    gap: 1.2rem;
    min-height: 32rem;
    padding: clamp(1.2rem, 4vw, 3rem);
}

.backend-login-brand h1 {
    max-width: 14ch;
    margin: 0;
    color: var(--text);
    font-family: var(--heading-font);
    font-size: 2.45rem;
    line-height: 1.08;
    letter-spacing: 0;
}

.backend-login-brand p {
    max-width: 38rem;
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
}

.backend-login-boundary {
    display: grid;
    gap: .25rem;
    max-width: 35rem;
    border-left: 3px solid var(--backend-warn);
    padding-left: .85rem;
    color: var(--muted);
}

.backend-login-boundary strong {
    color: var(--backend-warn);
    font-family: var(--heading-font);
    font-size: .78rem;
}

.backend-login-boundary span {
    font-size: .88rem;
    line-height: 1.55;
}

.backend-login-card {
    display: grid;
    align-content: center;
    gap: 1rem;
    padding: clamp(1rem, 3vw, 2rem);
}

.backend-alert {
    border: 1px solid color-mix(in srgb, var(--backend-good) 35%, var(--backend-line));
    border-radius: 8px;
    background: color-mix(in srgb, var(--backend-good) 8%, transparent);
    color: var(--text);
    padding: .75rem .85rem;
    font-size: .85rem;
}

.backend-login-form {
    display: grid;
    gap: .85rem;
}

.backend-login-actions {
    display: grid;
    gap: .75rem;
}

.backend-provider-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.8rem;
    min-width: 0;
    border: 1px solid var(--backend-line);
    border-radius: 8px;
    background: var(--backend-panel-2);
    color: var(--text);
    font-family: var(--heading-font);
    font-size: .84rem;
    font-weight: 650;
    line-height: 1.2;
    padding: .65rem .8rem;
    text-align: center;
    overflow-wrap: anywhere;
}

.backend-provider-button.primary {
    border-color: var(--backend-good);
    background: var(--backend-good);
    color: var(--backend-bg);
}

.backend-provider-button:hover {
    border-color: var(--text);
    color: var(--text);
}

.backend-provider-button.primary:hover {
    background: var(--text);
    color: var(--backend-bg);
}

.backend-login-form label {
    display: grid;
    gap: .42rem;
    color: var(--muted);
    font-family: var(--heading-font);
    font-size: .74rem;
    font-weight: 650;
}

.backend-login-form input {
    width: 100%;
    min-height: 2.7rem;
    border: 1px solid var(--backend-line);
    background: var(--backend-bg);
    color: var(--text);
    padding: .65rem .75rem;
    font: inherit;
}

.backend-login-form .button {
    width: 100%;
}

.backend-login-page .backend-config-list {
    margin-top: .2rem;
}

@media (max-width: 980px) {
    .backend-shell-frame {
        grid-template-columns: 1fr;
    }

    .backend-sidebar {
        position: relative;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--backend-line);
    }

    .backend-nav {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        align-items: start;
        overflow: visible;
        padding-right: 0;
    }

    .backend-page-head,
    .backend-panel-grid,
    .backend-login-shell {
        grid-template-columns: 1fr;
    }

    .backend-login-brand {
        min-height: 20rem;
    }
}

@media (max-width: 640px) {
    .backend-sidebar,
    .backend-workspace,
    .backend-page-head,
    .backend-topbar {
        padding-inline: 1rem;
    }

    .backend-page-head h1,
    .backend-login-brand h1 {
        font-size: 1.8rem;
    }

    .backend-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: .75rem;
    }

    .backend-nav-item {
        gap: .45rem;
        min-height: 2.2rem;
        padding: .4rem .45rem;
        font-size: .76rem;
    }

    .backend-head-stats {
        grid-template-columns: 1fr;
    }

    .backend-status-list div,
    .backend-config-list div {
        grid-template-columns: 1fr;
        gap: .25rem;
    }
}