.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 100;
    padding: 9px 13px;
    color: var(--color-on-dark);
    background: var(--color-brand-950);
    border-radius: var(--radius-sm);
    transform: translateY(-160%);
}

.skip-link:focus {
    color: var(--color-on-dark);
    transform: translateY(0);
}

.auth-page {
    background:
        radial-gradient(circle at 12% 10%, rgb(14 77 164 / 11%), transparent 31rem),
        linear-gradient(145deg, var(--color-canvas), var(--color-surface) 50%, var(--color-interactive-soft));
}

.auth-shell {
    width: min(100% - 32px, 1120px);
    min-height: 100vh;
    margin-inline: auto;
    display: grid;
    grid-template-rows: auto 1fr;
}

.auth-header {
    padding-block: 28px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.auth-main {
    width: 100%;
    padding: 36px 0 80px;
    display: grid;
    align-content: start;
}

.auth-card {
    width: min(100%, 440px);
    margin-inline: auto;
    padding: clamp(28px, 5vw, 40px);
    border-top: 4px solid var(--color-accent);
    box-shadow: var(--shadow-md);
}

.auth-card h1 {
    margin-bottom: 8px;
}

.auth-card form {
    margin-top: 26px;
}

.auth-card .button {
    width: 100%;
}

.auth-links {
    margin-top: 24px;
    padding-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--color-border);
}

.auth-links .button {
    width: auto;
    max-width: 100%;
    font-size: 0.82rem;
    white-space: nowrap;
}

.auth-help {
    margin: 18px 0 0;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-align: center;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    transition: grid-template-columns var(--transition-base);
}

.sidebar-collapsed .app-shell {
    grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.app-sidebar {
    min-width: 0;
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    color: rgb(255 255 255 / 78%);
    background:
        radial-gradient(circle at 12% 0, rgb(14 77 164 / 28%), transparent 18rem),
        var(--color-brand-950);
    border-right: 1px solid rgb(255 255 255 / 8%);
}

.sidebar-header {
    min-height: var(--topbar-height);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid rgb(255 255 255 / 8%);
}

.sidebar-mobile-close,
.sidebar-mobile-open {
    display: none;
}

.sidebar-mobile-close {
    color: rgb(255 255 255 / 74%);
}

.sidebar-mobile-close:hover {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 10%);
}

.sidebar-nav {
    min-height: 0;
    padding: 22px 12px;
    flex: 1 1 auto;
    display: grid;
    align-content: start;
    gap: 5px;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

.sidebar-label {
    margin: 0 10px 8px;
    color: rgb(255 255 255 / 44%);
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.sidebar-nav .sidebar-label:not(:first-child) {
    margin-top: 14px;
}

.nav-link {
    min-height: 44px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgb(255 255 255 / 72%);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 8%);
}

.nav-link.is-active {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 11%);
    border-color: rgb(255 255 255 / 12%);
    box-shadow: inset 3px 0 0 var(--color-accent);
}

.nav-group {
    display: grid;
    gap: 4px;
}

.nav-group > summary {
    list-style: none;
}

.nav-group > summary::-webkit-details-marker {
    display: none;
}

.nav-group-summary {
    min-height: 44px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgb(255 255 255 / 72%);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 650;
    cursor: pointer;
    white-space: nowrap;
}

.nav-group-summary:hover {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 8%);
}

.nav-group-summary.is-active {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 11%);
    border-color: rgb(255 255 255 / 12%);
    box-shadow: inset 3px 0 0 var(--color-accent);
}

.nav-group-chevron {
    width: 16px !important;
    height: 16px !important;
    margin-left: auto;
    transition: transform var(--transition-base);
}

.nav-group[open] > .nav-group-summary .nav-group-chevron {
    transform: rotate(180deg);
}

.nav-group-links {
    margin-left: 21px;
    padding-left: 16px;
    display: grid;
    gap: 4px;
    border-left: 1px solid rgb(255 255 255 / 14%);
}

.nav-group-links .nav-link {
    min-height: 40px;
    padding-block: 8px;
    font-size: 0.83rem;
}

.nav-link svg,
.nav-group-summary svg,
.sidebar-utility-link svg,
.sidebar-collapse svg {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.75;
}

.sidebar-footer {
    margin-top: auto;
    padding: 12px;
    display: grid;
    gap: 6px;
    border-top: 1px solid rgb(255 255 255 / 8%);
}

.sidebar-utility-link {
    min-height: 38px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 11px;
    color: rgb(255 255 255 / 60%);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
}

.sidebar-utility-link:hover,
.sidebar-utility-link.is-active {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 8%);
}

.sidebar-collapse {
    min-height: 42px;
    padding: 9px 12px;
    display: flex;
    align-items: center;
    gap: 11px;
    color: rgb(255 255 255 / 52%);
    font-size: 0.78rem;
    white-space: nowrap;
}

.sidebar-collapse {
    width: 100%;
    color: rgb(255 255 255 / 68%);
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.sidebar-collapse:hover {
    color: var(--color-on-dark);
    background: rgb(255 255 255 / 8%);
}

:root[data-color-scheme="dark"] .app-sidebar {
    color: var(--color-text-muted);
    background:
        radial-gradient(circle at 12% 0, rgb(114 167 243 / 10%), transparent 18rem),
        var(--color-surface);
    border-right-color: var(--color-border);
}

:root[data-color-scheme="dark"] .sidebar-header,
:root[data-color-scheme="dark"] .sidebar-footer {
    border-color: var(--color-border);
}

:root[data-color-scheme="dark"] .app-sidebar .brand-on-dark,
:root[data-color-scheme="dark"] .app-sidebar .brand-on-dark:hover {
    color: var(--color-text);
}

:root[data-color-scheme="dark"] .app-sidebar .brand-on-dark .brand-copy small,
:root[data-color-scheme="dark"] .sidebar-label,
:root[data-color-scheme="dark"] .nav-link,
:root[data-color-scheme="dark"] .nav-group-summary,
:root[data-color-scheme="dark"] .sidebar-utility-link,
:root[data-color-scheme="dark"] .sidebar-collapse,
:root[data-color-scheme="dark"] .sidebar-mobile-close {
    color: var(--color-text-muted);
}

:root[data-color-scheme="dark"] .nav-link:hover,
:root[data-color-scheme="dark"] .nav-group-summary:hover,
:root[data-color-scheme="dark"] .sidebar-utility-link:hover,
:root[data-color-scheme="dark"] .sidebar-utility-link.is-active,
:root[data-color-scheme="dark"] .sidebar-collapse:hover,
:root[data-color-scheme="dark"] .sidebar-mobile-close:hover {
    color: var(--color-text);
    background: rgb(114 167 243 / 8%);
}

:root[data-color-scheme="dark"] .nav-link.is-active {
    color: var(--color-text);
    background: var(--color-interactive-soft);
    border-color: var(--color-interactive-border);
}

:root[data-color-scheme="dark"] .nav-group-summary.is-active {
    color: var(--color-text);
    background: var(--color-interactive-soft);
    border-color: var(--color-interactive-border);
}

.sidebar-collapsed .app-sidebar .brand-copy,
.sidebar-collapsed .app-sidebar .sidebar-label,
.sidebar-collapsed .app-sidebar .nav-link-label {
    display: none;
}

.sidebar-collapsed .sidebar-header {
    padding-inline: 10px;
}

.sidebar-collapsed .nav-link,
.sidebar-collapsed .nav-group-summary,
.sidebar-collapsed .sidebar-utility-link,
.sidebar-collapsed .sidebar-collapse {
    justify-content: center;
    padding-inline: 10px;
}

.sidebar-collapsed .nav-group-links {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
}

.sidebar-collapsed .nav-group-summary .nav-group-chevron {
    display: none;
}

.sidebar-collapsed .sidebar-collapse svg {
    transform: rotate(180deg);
}

.app-workspace {
    min-width: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    min-height: var(--topbar-height);
    padding: 10px clamp(18px, 3vw, 36px);
    position: relative;
    z-index: var(--z-topbar);
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--color-topbar);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
}

.topbar-context {
    min-width: 0;
}

.topbar-label {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.topbar-balance {
    min-height: 42px;
    padding: 5px 11px;
    display: grid;
    align-content: center;
    gap: 1px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    line-height: 1.1;
    text-align: right;
    text-decoration: none;
    white-space: nowrap;
}

.topbar-balance span {
    color: var(--color-text-muted);
    font-size: 0.65rem;
    font-weight: 700;
}

.topbar-balance strong {
    font-size: 0.86rem;
    font-variant-numeric: tabular-nums;
}

.topbar-balance:hover {
    color: var(--color-interactive-hover);
    background: var(--color-interactive-soft);
    border-color: var(--color-interactive-border);
}

.topbar-balance:focus-visible {
    outline: 3px solid var(--color-focus-ring-soft);
    outline-offset: 2px;
}

.account-menu {
    position: relative;
}

.account-menu summary {
    list-style: none;
}

.account-menu summary::-webkit-details-marker {
    display: none;
}

.account-trigger {
    min-height: 46px;
    max-width: min(42vw, 320px);
    padding: 4px 8px 4px 5px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.account-trigger:hover,
.account-menu[open] .account-trigger {
    background: var(--color-interactive-soft);
    border-color: var(--color-interactive-border);
}

.account-avatar {
    width: 36px;
    height: 36px;
    display: inline-grid;
    flex: 0 0 auto;
    place-items: center;
    color: var(--color-interactive-hover);
    background: var(--color-interactive-border);
    border-radius: 10px;
    font-weight: 800;
}

.account-summary {
    min-width: 0;
    display: grid;
    line-height: 1.2;
}

.account-summary strong {
    overflow: hidden;
    font-size: 0.82rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-summary small {
    margin-top: 3px;
    color: var(--color-text-muted);
    font-size: 0.7rem;
}

.account-chevron {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    fill: none;
    stroke: var(--color-text-muted);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
    transition: transform var(--transition-fast);
}

.account-menu[open] .account-chevron {
    transform: rotate(180deg);
}

.account-popover {
    width: min(320px, calc(100vw - 32px));
    padding: 8px;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: var(--z-popover);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.account-identity {
    padding: 12px;
    display: grid;
    border-bottom: 1px solid var(--color-border);
}

.account-identity strong,
.account-identity span {
    overflow-wrap: anywhere;
}

.account-identity span {
    margin-top: 2px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.account-identity small {
    width: fit-content;
    margin-top: 10px;
    padding: 3px 8px;
    color: var(--color-interactive-hover);
    background: var(--color-interactive-soft);
    border: 1px solid var(--color-interactive-border);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 750;
}

.account-popover form {
    margin: 8px 0 0;
}

.account-action {
    width: 100%;
    min-height: 42px;
    padding: 9px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    font-weight: 650;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.account-action:hover {
    color: var(--color-interactive-hover);
    background: var(--color-interactive-soft);
}

.account-action svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.app-main {
    width: min(100%, var(--content-max-width));
    margin-inline: auto;
    padding: clamp(16px, 2.5vw, 24px) clamp(18px, 3vw, 36px) 32px;
    flex: 1 0 auto;
}

.sidebar-overlay {
    display: none;
}

@media (max-width: 900px) {
    .app-shell,
    .sidebar-collapsed .app-shell {
        display: block;
    }

    .app-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .sidebar-collapsed .app-sidebar .brand-copy,
    .sidebar-collapsed .app-sidebar .sidebar-label,
    .sidebar-collapsed .app-sidebar .nav-link-label {
        display: grid;
    }

    .sidebar-collapsed .nav-group-summary {
        justify-content: flex-start;
        padding-inline: 12px;
    }

    .sidebar-collapsed .nav-group-summary .nav-group-chevron {
        display: block;
    }

    .sidebar-collapsed .nav-group-links {
        margin-left: 21px;
        padding-left: 16px;
        border-left: 1px solid rgb(255 255 255 / 14%);
    }

    .sidebar-collapsed .nav-group-links .nav-link {
        justify-content: flex-start;
        padding-inline: 10px;
    }

    .sidebar-collapse {
        display: none;
    }

    .has-js .app-sidebar {
        width: min(86vw, 288px);
        height: 100vh;
        height: 100dvh;
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-102%);
        transition: transform var(--transition-base);
    }

    .has-js .app-sidebar .sidebar-nav {
        height: 0;
        flex-basis: 0%;
    }

    .has-js.sidebar-open .app-sidebar {
        transform: translateX(0);
    }

    .has-js .sidebar-mobile-close,
    .has-js .sidebar-mobile-open {
        display: inline-grid;
    }

    .has-js .sidebar-overlay {
        width: 100%;
        height: 100%;
        padding: 0;
        display: block;
        position: fixed;
        inset: 0;
        z-index: var(--z-overlay);
        visibility: hidden;
        background: var(--color-overlay);
        border: 0;
        opacity: 0;
        cursor: pointer;
        transition: opacity var(--transition-base), visibility var(--transition-base);
    }

    .has-js.sidebar-open .sidebar-overlay {
        visibility: visible;
        opacity: 1;
    }

    .has-js.sidebar-open body {
        overflow: hidden;
    }

    .app-topbar {
        padding-inline: 14px;
    }

    .topbar-context {
        display: none;
    }

    .app-main {
        padding-top: 16px;
    }
}

@media (max-width: 520px) {
    .auth-shell {
        width: min(100% - 24px, 1120px);
    }

    .auth-header {
        padding-block: 20px;
    }

    .auth-main {
        padding-top: 16px;
    }

    .auth-card {
        padding: 26px 22px;
    }

    .auth-links {
        gap: 8px;
    }

    .auth-links .button {
        padding-inline: 8px;
        font-size: 0.78rem;
    }

    .account-summary,
    .account-chevron {
        display: none;
    }

    .account-trigger {
        padding-right: 5px;
    }

    .topbar-balance {
        padding-inline: 9px;
    }

}