/* =========================================================
   Layout: app shell, dashboard grid, UI Kit page, responsive
   ========================================================= */

/* ---------- App shell ---------- */
.app-shell {
    display: grid;
    grid-template-columns: var(--layout-rail-width) minmax(0, 1fr);
    column-gap: var(--layout-gutter);
    max-width: var(--layout-max-width);
    min-height: 100vh;
    margin-inline: auto;
    padding: 0 var(--layout-margin) var(--layout-margin);
}

.app-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: var(--layout-rail-width) minmax(0, 1fr);
    column-gap: var(--layout-gutter);
    align-items: center;
    height: var(--layout-header-height);
    margin-inline: calc(-1 * var(--layout-margin));
    padding-inline: var(--layout-margin);
    background: var(--color-background);
}

.app-header__brand {
    display: flex;
    justify-content: center;
}

.app-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
}

.app-logo img {
    width: 30px;
    height: 30px;
}

/* Guest auth: centered card, kit components only */
.auth-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-6);
    background: var(--color-background);
}

.auth-screen .g-card {
    width: 100%;
    max-width: 420px;
}

.auth-screen .app-logo {
    justify-content: center;
    font-size: var(--font-size-2xl);
}

.auth-screen .app-logo img {
    width: 36px;
    height: 36px;
}

.app-header__bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    min-width: 0;
}

.app-header__nav {
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.app-header__nav::-webkit-scrollbar { display: none; }

.app-header__team {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-left: auto;
}

.app-header__user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-left: var(--spacing-8);
}

.app-header__bell {
    position: relative;
}

.app-header__bell .g-dot {
    position: absolute;
    top: 9px;
    right: 10px;
    width: 7px;
    height: 7px;
    box-shadow: 0 0 0 2px var(--color-surface);
}

/* Rail */
.app-rail {
    position: sticky;
    top: calc(var(--layout-header-height) + 92px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    height: calc(100vh - var(--layout-header-height) - 92px - var(--layout-margin));
    min-height: 420px;
    margin-top: 92px;
}

.app-rail__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin: 0;
    padding: 0;
    list-style: none;
}

.app-rail__link {
    --g-btn-height: var(--control-height-lg);
    --g-btn-bg: var(--color-surface);
    --g-btn-hover-bg: var(--color-gray-150);
}

.app-rail__link.is-active {
    --g-btn-bg: var(--color-primary);
    --g-btn-color: var(--color-on-primary);
    --g-btn-hover-bg: var(--color-primary-hover);
}

.app-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--layout-gutter);
}

/* Page head */
.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    padding-top: var(--spacing-2);
}

.page-head__title {
    margin-top: var(--spacing-2);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-regular);
}

.page-head__tools {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

/* ---------- Dashboard grid ---------- */
.dash-grid {
    display: grid;
    grid-template-columns: minmax(300px, .82fr) minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    gap: var(--layout-gutter);
}

.dash-grid__portfolio { grid-column: 1; grid-row: 1 / span 2; }
.dash-grid__volume { grid-column: 2; grid-row: 1; }
.dash-grid__customers { grid-column: 3; grid-row: 1; }
.dash-grid__performance { grid-column: 2 / span 2; grid-row: 2; }
.dash-grid__table { grid-column: 1 / -1; }

.portfolio-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2);
}

.portfolio-actions .g-btn { width: 100%; }

.chart-area { height: 120px; }
.chart-volume { height: 168px; }
.chart-customers { height: 112px; }
.chart-performance { height: 260px; }

.perf-kpis {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4) var(--spacing-16);
}

.customers-stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.customers-stat__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.portfolio-list {
    max-height: 380px;
    overflow-y: auto;
    margin-right: calc(-1 * var(--spacing-2));
    padding-right: var(--spacing-2);
    scrollbar-width: thin;
}

/* Messages offcanvas — плавающая панель справа */
.offcanvas.g-offcanvas-panel {
    --bs-offcanvas-width: 400px;
    --bs-offcanvas-bg: transparent;
    --bs-offcanvas-border-width: 0;
    --bs-offcanvas-box-shadow: none;
    top: var(--layout-margin);
    right: var(--layout-margin);
    bottom: var(--layout-margin);
    height: auto;
    padding: 0;
}

.g-offcanvas-panel .g-panel {
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
}

.g-offcanvas-panel .g-panel__body { flex: 1; }

.dropdown-menu.g-panel {
    --bs-dropdown-padding-x: var(--spacing-4);
    --bs-dropdown-padding-y: var(--spacing-4);
    --bs-dropdown-border-radius: var(--radius-xl);
    --bs-dropdown-box-shadow: var(--shadow-lg);
    display: none;
}

.dropdown-menu.g-panel.show { display: flex; }

/* Mobile bottom navigation */
.app-tabbar { display: none; }

.app-header__burger { display: none; }

.app-profile-menu { min-width: 240px; }

.app-profile-menu__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-md);
}

.app-profile-menu .g-segmented__item { padding-inline: 10px; }
.app-profile-menu [data-g-language-label] { color: var(--color-text-primary); }

/* ---------- UI Kit page ---------- */
.kit {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--spacing-8);
    max-width: var(--layout-max-width);
    margin-inline: auto;
    padding: 0 var(--layout-margin) var(--spacing-16);
}

.kit-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    max-width: var(--layout-max-width);
    height: var(--layout-header-height);
    margin-inline: auto;
    padding-inline: var(--layout-margin);
    background: var(--color-background);
}

.kit-nav {
    position: sticky;
    top: calc(var(--layout-header-height) + var(--spacing-4));
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: calc(100vh - var(--layout-header-height) - var(--spacing-8));
    overflow-y: auto;
    padding: var(--spacing-3);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
}

.kit-nav__link {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-pill);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.kit-nav__link:hover { color: var(--color-text-primary); background: var(--color-surface-muted); }
.kit-nav__link.is-active { color: var(--color-text-primary); background: var(--color-surface-sunken); font-weight: var(--font-weight-medium); }

.kit-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    min-width: 0;
}

.kit-section {
    scroll-margin-top: calc(var(--layout-header-height) + var(--spacing-4));
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    padding: var(--spacing-10);
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
}

.kit-section--dark {
    background: var(--color-surface-dark);
    color: var(--color-text-inverse);
}

.kit-section--dark h2,
.kit-section--dark h3 { color: var(--color-text-inverse); }

.kit-section__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

.kit-section__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-regular);
    letter-spacing: -.03em;
}

.kit-section__desc {
    max-width: 320px;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.kit-section--dark .kit-section__desc { color: var(--color-text-inverse-muted); }

.kit-subhead {
    padding-bottom: var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: .08em;
    border-bottom: 1px solid var(--color-divider);
}

.kit-section--dark .kit-subhead { border-color: var(--color-gray-800); color: var(--color-text-inverse-muted); }

.kit-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.kit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
    gap: var(--spacing-4);
}

.kit-grid--wide { grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); }
.kit-grid--narrow { grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr)); }
.kit-header .kit-theme-cycle { display: none; }

.kit-grid--quad { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 1200px) { .kit-grid--quad { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 767.98px) { .kit-grid--quad { grid-template-columns: 1fr; } }
.kit-grid > * { min-width: 0; }

.kit-section__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-on-accent);
    background: var(--color-accent);
    border-radius: 50%;
}

.kit-nav__group {
    padding: var(--spacing-3) var(--spacing-3) var(--spacing-1);
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.kit-nav__link span { display: inline-block; width: 22px; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }

.kit-label {
    font-size: var(--font-size-2xs);
    font-family: var(--font-family-mono);
    color: var(--color-text-secondary);
}

.kit-stack { display: flex; flex-direction: column; gap: var(--spacing-3); min-width: 0; }

.kit-states {
    width: 100%;
    border-collapse: separate;
    border-spacing: var(--spacing-3) var(--spacing-2);
    margin: 0 calc(-1 * var(--spacing-3));
}

.kit-states th {
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-secondary);
    text-align: left;
    white-space: nowrap;
}

.kit-states td { vertical-align: middle; }
.kit-states td:first-child { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); white-space: nowrap; }

.kit-devices {
    display: grid;
    grid-template-columns: 2.4fr 1.6fr 1.2fr .75fr;
    align-items: end;
    gap: var(--spacing-4);
}

.kit-swatch-row { display: flex; gap: 4px; }
.kit-swatch-row > span { flex: 1; height: 40px; border-radius: var(--radius-sm); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .05); }

.kit-token {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    border-bottom: 1px dashed var(--color-divider);
}

.kit-token:last-child { border-bottom: 0; }

.kit-z {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-2);
    height: 140px;
}

.kit-z > span {
    flex: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 6px;
    font-size: var(--font-size-2xs);
    color: var(--color-text-secondary);
    background: var(--color-surface-sunken);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.kit-motion {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    transition: transform var(--g-dur, .3s) var(--g-ease, ease);
}

.kit-demo:hover .kit-motion { transform: translateX(120px); }

.kit-bp {
    position: relative;
    height: 36px;
    background: var(--color-surface-sunken);
    border-radius: var(--radius-pill);
}

.kit-bp > span {
    position: absolute;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    padding-left: 8px;
    font-size: var(--font-size-2xs);
    color: var(--color-text-secondary);
    border-left: 1px solid var(--color-border-strong);
    white-space: nowrap;
}

.kit-demo {
    padding: var(--spacing-6);
    background: var(--color-background);
    border-radius: var(--radius-xl);
}

/* Color swatches */
.kit-color {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.kit-color__chip {
    height: 88px;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 0 1px rgba(22, 22, 22, .06);
}

.kit-color__name { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); }
.kit-color__var { font-family: var(--font-family-mono); font-size: var(--font-size-2xs); color: var(--color-text-secondary); }

/* Typography specimen */
.kit-typeface {
    display: grid;
    grid-template-columns: 1fr auto auto auto auto;
    align-items: end;
    gap: var(--spacing-8);
    padding-bottom: var(--spacing-3);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-divider);
}

.kit-type-scale {
    display: flex;
    flex-direction: column;
}

.kit-type-scale__row {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: var(--spacing-6);
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-divider);
}

.kit-type-scale__meta { font-size: var(--font-size-xs); color: var(--color-text-secondary); }

/* Spacing / radius demo */
.kit-space {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.kit-space__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-2xs);
    color: var(--color-text-secondary);
}

.kit-space__bar {
    width: 24px;
    background: var(--color-accent);
    border-radius: 4px;
}

.kit-radius {
    width: 88px;
    height: 88px;
    background: var(--color-surface-sunken);
    border: 1.5px solid var(--color-text-primary);
}

/* Layout grid visual */
.kit-layout-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
    height: 220px;
    padding: 0 20px;
    background: var(--color-surface-dark-raised);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.kit-layout-grid > span {
    background: rgba(var(--color-accent-rgb), .08);
    border-inline: 1px dashed rgba(var(--color-accent-rgb), .45);
}

.kit-layout-grid__meta {
    display: flex;
    gap: var(--spacing-10);
    font-size: var(--font-size-sm);
    color: var(--color-text-inverse-muted);
}

.kit-layout-grid__meta b { color: var(--color-text-inverse); font-weight: var(--font-weight-regular); }

/* Metrics (Financial Performance Metrics) */
.kit-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-10);
}

.kit-metric {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.kit-metric__text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-light);
    line-height: 1.55;
    color: var(--color-text-inverse-muted);
}

.kit-metric__text b { color: var(--color-text-inverse); font-weight: var(--font-weight-regular); }

.kit-metric__value {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-light);
    line-height: 1;
}

/* Icon grid */
.kit-icons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: var(--spacing-3);
}

@media (min-width: 768px) { .kit-icons { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); } }
.kit-icons .g-icon-tile small { max-width: 100%; padding-inline: var(--spacing-1); text-align: center; overflow-wrap: anywhere; }

/* Donut */
.kit-donut {
    display: grid;
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: center;
    gap: var(--spacing-16);
}

.kit-donut__chart {
    position: relative;
    aspect-ratio: 1;
}

.kit-donut__label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: var(--font-size-3xl);
    line-height: 1.2;
    pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1279.98px) {
    .dash-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: none;
    }

    .dash-grid__portfolio { grid-column: 1; grid-row: 1 / span 2; }
    .dash-grid__volume { grid-column: 2; grid-row: 1; }
    .dash-grid__customers { grid-column: 2; grid-row: 2; }
    .dash-grid__performance { grid-column: 1 / -1; grid-row: 3; }

    .app-header__user { margin-left: var(--spacing-3); }
    .app-header__add-label { display: none; }
}

@media (max-width: 991.98px) {
    .app-shell,
    .app-header {
        grid-template-columns: minmax(0, 1fr);
    }

    .app-shell { padding-bottom: calc(var(--layout-header-height) + var(--spacing-6)); }

    .app-header {
        display: flex;
        align-items: flex-start;
        gap: var(--spacing-4);
        height: auto;
        padding-block: var(--spacing-3);
    }

    .app-header__brand {
        align-items: center;
        height: var(--control-height-lg);
    }

    .app-header__bar {
        flex: 1;
        flex-wrap: wrap;
        row-gap: var(--spacing-3);
    }

    .app-header__nav {
        order: 3;
        flex-basis: 100%;
        margin-left: calc(-1 * (30px + var(--spacing-4)));
    }

    .app-rail { display: none; }
    .app-header__burger { display: inline-flex; }

    .app-tabbar {
        position: fixed;
        left: 50%;
        bottom: var(--spacing-3);
        z-index: var(--z-header);
        display: flex;
        gap: var(--spacing-2);
        padding: var(--spacing-2);
        background: var(--color-surface);
        border-radius: var(--radius-pill);
        box-shadow: var(--shadow-md);
        transform: translateX(-50%);
    }

    .app-tabbar .app-rail__link { --g-btn-height: var(--control-height-md); --g-btn-bg: transparent; }
    .app-tabbar .app-rail__link.is-active { --g-btn-bg: var(--color-primary); }

    .kit { grid-template-columns: minmax(0, 1fr); }
    .kit-nav {
        position: static;
        flex-direction: row;
        overflow-x: auto;
        max-height: none;
    }
    .kit-nav__link { white-space: nowrap; }
    .kit-metrics,
    .kit-donut { grid-template-columns: minmax(0, 1fr); }
    .kit-donut__chart { max-width: 360px; }
    .kit-devices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kit-nav__group { display: none; }
}

@media (max-width: 767.98px) {
    .dash-grid { grid-template-columns: minmax(0, 1fr); }

    .dash-grid__portfolio,
    .dash-grid__volume,
    .dash-grid__customers,
    .dash-grid__performance {
        grid-column: 1;
        grid-row: auto;
    }

    .app-header__team .g-avatar-stack { display: none; }
    .page-head__title { font-size: var(--font-size-2xl); }
    .page-head { align-items: flex-start; }
    .dash-grid .g-card__header { flex-wrap: wrap; }
    .dash-grid__performance .g-card__header > div:first-child { flex: 1 1 100%; }
    .kit-section { padding: var(--spacing-6); }
    .kit-section__title { font-size: var(--font-size-3xl); }
    .kit-typeface { grid-template-columns: 1fr 1fr; gap: var(--spacing-3); }
    .kit-type-scale__row { grid-template-columns: minmax(0, 1fr); gap: var(--spacing-1); }
    .kit-devices { grid-template-columns: minmax(0, 1fr); }
    .text-display { font-size: var(--font-size-5xl); }
}

@media (max-width: 575.98px) {
    :root { --layout-margin: 12px; }

    .g-card { padding: var(--spacing-5); border-radius: var(--radius-lg); }
    .amount--lg { font-size: var(--font-size-3xl); }
    .chart-performance { height: 220px; }
    .perf-kpis { gap: var(--spacing-4); }
    .page-head__tools .g-date-pill--secondary { display: none; }
    .kit-header .app-logo .g-badge,
    .kit-header .app-logo__text,
    .kit-header .g-theme-switch { display: none; }
    .kit-header .kit-theme-cycle { display: inline-flex; }
    .kit-header { gap: var(--spacing-2); }

    .dropdown-menu.g-panel {
        position: fixed !important;
        inset: var(--spacing-3) var(--spacing-3) auto var(--spacing-3) !important;
        width: auto;
        max-width: none;
        max-height: calc(100vh - 2 * var(--spacing-3));
        transform: none !important;
    }

    .offcanvas.g-offcanvas-panel {
        --bs-offcanvas-width: auto;
        top: var(--spacing-3);
        right: var(--spacing-3);
        bottom: var(--spacing-3);
        left: var(--spacing-3);
    }
}