/* Product UI. Widget logic stays intact; this file owns product-shell composition. */

.app-shell {
  --product-sidebar: 260px;
  --product-rail: 360px;
  --product-topbar: 76px;
  --mobile-nav-h: 64px;
  --mobile-rail-h: 56px;
  min-height: 100dvh;
  background: var(--dvs-bg);
}

.app-chrome { display: contents; }

.app-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  width: var(--product-sidebar);
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: rgba(11, 13, 18, .94);
  border-right: 1px solid var(--dvs-line);
  backdrop-filter: blur(18px);
}

.app-sidebar__top,
.app-sidebar__footer { display: grid; gap: 10px; }

.app-brand {
  min-height: 44px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--dvs-ink);
  cursor: pointer;
  text-align: left;
}

.app-brand__mark { font-size: 28px; font-weight: 850; letter-spacing: -.08em; }
.app-brand__meta { color: var(--dvs-ink-soft); font-size: 11px; }
.app-sidebar__workspace,
.app-sidebar__section,
.app-topbar__eyebrow,
.app-clock__label {
  color: var(--dvs-ink-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.app-sidebar__nav {
  flex: 1;
  display: grid;
  align-content: start;
  gap: 4px;
  margin-top: 28px;
}

.app-sidebar__section { margin: 18px 8px 6px; }

.app-sidebar__item {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--dvs-ink-soft);
  text-align: left;
  cursor: pointer;
}

.app-sidebar__item:hover,
.app-sidebar__item:focus-visible,
.app-sidebar__item[aria-current="page"] {
  color: var(--dvs-ink);
  background: var(--dvs-surface-raised);
  border-color: var(--dvs-line);
}

.app-sidebar__item:disabled { opacity: .45; cursor: wait; }
.app-sidebar__icon { width: 20px; text-align: center; }

.app-clock {
  border: 1px solid var(--dvs-line);
  border-radius: 16px;
  background: var(--dvs-surface);
  color: var(--dvs-ink);
  padding: 12px;
  display: grid;
  gap: 4px;
  text-align: left;
}

.app-clock__value { font-size: 24px; font-weight: 750; letter-spacing: -.05em; }

.app-system-status[data-state="success"] { color: var(--dvs-success); font-weight: 650; }
.app-system-status[data-state="warning"] { color: var(--dvs-warning); font-weight: 650; }
.app-system-status[data-state="error"] { color: var(--dvs-danger); font-weight: 650; }

.app-global-status {
  position: fixed;
  z-index: 70;
  top: calc(var(--product-topbar) + 12px);
  right: 24px;
  max-width: min(420px, calc(100vw - 48px));
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--dvs-line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--dvs-surface-raised) 96%, transparent);
  color: var(--dvs-ink-soft);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .24);
  pointer-events: none;
}

.app-global-status[hidden] { display: none; }

.app-topbar {
  min-width: 0;
  height: var(--product-topbar);
  margin-left: var(--product-sidebar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 28px;
  border-bottom: 1px solid var(--dvs-line);
  background: color-mix(in srgb, var(--dvs-bg) 90%, transparent);
}

.app-topbar h1 { margin: 2px 0 0; font-size: 28px; line-height: 1; letter-spacing: -.05em; }
.app-topbar__actions { display: flex; gap: 12px; align-items: center; }

.app-ai-trigger {
  min-height: 44px;
  border: 1px solid var(--dvs-line-strong);
  border-radius: 999px;
  padding: 0 16px;
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--dvs-ink);
  color: #0b0e14;
  font-weight: 720;
  cursor: pointer;
}

.app-ai-trigger kbd {
  background: rgba(0, 0, 0, .12);
  border-radius: 6px;
  padding: 2px 6px;
  font: inherit;
  font-size: 11px;
}

.app-mobile-nav,
.app-mobile-more { display: none; }

.app-product-body {
  min-width: 0;
  min-height: calc(100dvh - var(--product-topbar));
  margin-left: var(--product-sidebar);
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--product-rail);
}

.product-route {
  width: 100%;
  max-width: none !important;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 24px;
  display: block !important;
}

.active-request-rail {
  min-width: 0;
  min-height: 0;
  padding: 24px;
  border-left: 1px solid var(--dvs-line);
}

.product-route > .dvs-widget,
.active-request-rail > .dvs-widget {
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: calc(100dvh - var(--product-topbar) - 48px);
  background: var(--dvs-surface);
  border: 1px solid var(--dvs-line);
  border-radius: 22px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, .18);
}

.product-route > .dvs-widget:where(
  [data-widget-id="create-order"],
  [data-widget-id="catalog"],
  [data-widget-id="kanban"]
) {
  height: auto;
  min-height: calc(100dvh - var(--product-topbar) - 48px);
}

.dvs-widget > .widget-shell__header {
  min-height: 62px;
  padding: 16px 18px 10px;
  border-bottom: 0;
  background: transparent;
}

.dvs-widget > .widget-shell__header[data-widget-focus-target="true"] { cursor: pointer; }
.active-request-context-button { display: none; }
.dvs-widget .widget-shell__title { font-size: 18px; font-weight: 760; letter-spacing: -.035em; }
.dvs-widget > .widget-shell__body { padding: 10px 18px 18px; }
.dvs-widget > .widget-shell__footer { margin: 0 18px; padding: 12px 0 16px; }

.dvs-widget[data-state="warning"] { border-color: color-mix(in srgb, var(--dvs-warning) 42%, var(--dvs-line)); }
.dvs-widget[data-state="error"] { border-color: color-mix(in srgb, var(--dvs-danger) 48%, var(--dvs-line)); }
.dvs-widget[data-state="loading"] { opacity: .78; }

.ui-button {
  border-radius: 12px;
  border-color: var(--dvs-line);
  background: var(--dvs-surface-raised);
}

.ui-button:hover { border-color: var(--dvs-line-strong); background: var(--dvs-surface-strong); }
.ui-button--primary { border-color: var(--dvs-accent); background: var(--dvs-accent); color: var(--dvs-accent-ink); }
.ui-button--quiet { background: transparent; }

.ui-input,
.ui-select,
.ui-textarea {
  border-color: var(--dvs-line);
  border-radius: 12px;
  background: #0c0f14;
}

.ui-note {
  border: 1px solid var(--dvs-line);
  border-left-width: 3px;
  border-radius: 12px;
  background: var(--dvs-surface-raised);
}
.order-summary { border: 0; border-radius: 14px; overflow: hidden; background: var(--dvs-line); }
.order-summary__metric { background: var(--dvs-surface-raised); }
.order-summary__value { font-weight: 720; }

/* Requests / current work: composition is owned by entry-workflows.css. */

/* Active order */
.dvs-widget[data-widget-id="active-order"] .active-order-home,
.dvs-widget[data-widget-id="active-order"] .active-order-focus {
  min-height: 0;
  height: 100%;
  display: grid;
  gap: 14px;
}

.dvs-widget[data-widget-id="active-order"] .active-order-home { grid-template-rows: auto minmax(0, 1fr) auto; }
.dvs-widget[data-widget-id="active-order"] .active-order-focus { grid-template-rows: auto minmax(0, 1fr) auto; }

.dvs-widget[data-widget-id="active-order"] .active-order-summary {
  width: min(210px, 100%);
  border: 1px solid var(--dvs-line);
  background: transparent;
}

.dvs-widget[data-widget-id="active-order"] .active-order-summary .order-summary__metric {
  padding: 12px 14px;
  background: var(--dvs-surface-raised);
}

.dvs-widget[data-widget-id="active-order"] .active-order-summary .order-summary__value { font-size: 34px; }

.dvs-widget[data-widget-id="active-order"] .active-order-list-viewport,
.dvs-widget[data-widget-id="active-order"] .active-order-focus__viewport {
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding: 4px;
  border: 1px solid var(--dvs-line);
  border-radius: 14px;
  background: #0c0f14;
}

.dvs-widget[data-widget-id="active-order"] .active-order-list { border-top: 0; }
.dvs-widget[data-widget-id="active-order"] .active-order-row {
  min-height: 64px;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--dvs-line);
  border-radius: 10px;
  cursor: pointer;
}

.dvs-widget[data-widget-id="active-order"] .active-order-row:last-child { border-bottom: 0; }
.dvs-widget[data-widget-id="active-order"] .active-order-row:hover { background: var(--dvs-surface-raised); }
.dvs-widget[data-widget-id="active-order"] .active-order-row__number {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--dvs-surface-strong);
  color: var(--dvs-ink-soft);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.dvs-widget[data-widget-id="active-order"] .active-order-row__title { display: flex; gap: 7px; align-items: baseline; }
.dvs-widget[data-widget-id="active-order"] .active-order-row__code { font-weight: 790; }
.dvs-widget[data-widget-id="active-order"] .active-order-row__meta { margin-top: 4px; }
.dvs-widget[data-widget-id="active-order"] .active-order-actions { justify-content: flex-end; }

.dvs-widget[data-widget-id="active-order"] .active-order-line-slot {
  border-color: var(--dvs-line);
  border-radius: 14px;
  background: var(--dvs-surface-raised);
}
.dvs-widget[data-widget-id="active-order"] .active-order-line-slot[data-selected="true"] {
  border-color: var(--dvs-line-strong);
  box-shadow: inset 0 0 0 1px var(--dvs-line-strong);
}

/* AI */
.dvs-widget[data-widget-id="ai-command"] {
  background:
    radial-gradient(circle at top right, rgba(123, 147, 190, .14), transparent 42%),
    var(--dvs-surface);
}

.dvs-widget[data-widget-id="ai-command"] .widget-shell__title::after {
  content: " · AI";
  color: var(--dvs-ink-faint);
  font-weight: 620;
}

.dvs-widget[data-widget-id="ai-command"] .needle-chat { min-height: 0; height: 100%; }
.dvs-widget[data-widget-id="ai-command"] .needle-chat__messages {
  min-height: 0;
  padding: 4px 2px 8px;
  scrollbar-width: thin;
  justify-content: flex-start;
}

.dvs-widget[data-widget-id="ai-command"] .needle-chat__bubble {
  max-width: min(88%, 720px);
  padding: 11px 13px;
  border-color: var(--dvs-line);
  border-radius: 16px;
  background: var(--dvs-surface-raised);
}

.dvs-widget[data-widget-id="ai-command"] .needle-chat__message--user .needle-chat__bubble {
  border-color: var(--dvs-accent);
  background: var(--dvs-accent);
  color: var(--dvs-accent-ink);
}

.dvs-widget[data-widget-id="ai-command"] .needle-chat__composer {
  padding: 12px;
  border: 1px solid var(--dvs-line);
  border-radius: 16px;
  background: #0c0f14;
}

.dvs-widget[data-widget-id="ai-command"] .needle-chat__input {
  min-height: 72px;
  max-height: 180px;
  padding: 12px 13px;
  border: 0;
  background: transparent;
}

.dvs-widget[data-widget-id="ai-command"] .needle-chat__input:focus-visible { outline-offset: 4px !important; }
.dvs-widget[data-widget-id="ai-command"] .needle-chat__composer-row { padding-top: 9px; border-top: 1px solid var(--dvs-line); }
.dvs-widget[data-widget-id="ai-command"] .needle-chat__voice { background: transparent; }

/* Import */
.dvs-widget[data-widget-id="import"] .widget-shell__body > .ui-stack { height: 100%; align-content: start; }
.dvs-widget[data-widget-id="import"] .widget-hero__copy {
  padding: 14px;
  border: 1px solid var(--dvs-line);
  border-radius: 14px;
  background: var(--dvs-surface-raised);
}
.dvs-widget[data-widget-id="import"] .ui-textarea {
  min-height: 220px;
  padding: 14px;
  font-family: var(--font-mono);
  line-height: 1.5;
  resize: vertical;
}

.dvs-widget[data-widget-id="import"] .import-preview-slot {
  margin-top: 4px;
  padding-top: 16px;
  border-color: var(--dvs-line);
}

.dvs-widget[data-widget-id="import"] .import-preview-metrics {
  gap: 8px;
  border: 0;
  background: transparent;
}

.dvs-widget[data-widget-id="import"] .import-preview-metrics > div {
  border: 1px solid var(--dvs-line);
  border-radius: 12px;
  background: var(--dvs-surface-raised);
}

.dvs-widget[data-widget-id="import"] .import-preview-list { border-top: 0; gap: 6px; }
.dvs-widget[data-widget-id="import"] .import-preview-row {
  padding: 10px 12px;
  border: 1px solid var(--dvs-line);
  border-radius: 10px;
  background: #0c0f14;
}
.dvs-widget[data-widget-id="import"] .import-preview-row[data-kind="warning"] { border-left: 3px solid var(--dvs-warning); }

.product-route > .dvs-widget:is([data-widget-id="archive"], [data-widget-id="import"], [data-widget-id="export"], [data-widget-id="settings"]) .widget-shell__body {
  display: grid;
  align-content: start;
}

/* Compact/tablet shell: 768-1279. */
@media (min-width: 768px) and (max-width: 1279px) {
  .app-shell {
    --product-sidebar: 72px;
    --product-topbar: 68px;
  }

  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--product-sidebar);
    height: 100dvh;
    padding: 12px 8px;
    flex-direction: column;
    align-items: stretch;
    border-right: 1px solid var(--dvs-line);
    border-bottom: 0;
  }

  .app-sidebar__top { display: grid; justify-items: center; }
  .app-brand { width: 54px; justify-content: center; }
  .app-brand__mark { font-size: 22px; }
  .app-brand__meta,
  .app-sidebar__workspace,
  .app-sidebar__section,
  .app-sidebar__footer,
  .app-sidebar__label { display: none; }

  .app-sidebar__nav {
    display: grid;
    flex: 1;
    align-content: start;
    gap: 6px;
    margin-top: 16px;
  }

  .app-sidebar__item {
    width: 54px;
    min-height: 48px;
    justify-content: center;
    padding: 0;
    gap: 0;
  }

  .app-sidebar__icon { width: auto; font-size: 18px; }

  .app-topbar {
    position: sticky;
    top: 0;
    z-index: 25;
    height: var(--product-topbar);
    margin-left: var(--product-sidebar);
    padding: 0 20px;
    background: color-mix(in srgb, var(--dvs-bg) 94%, transparent);
    backdrop-filter: blur(16px);
  }

  .app-topbar h1 { font-size: 24px; }

  .app-product-body {
    min-height: calc(100dvh - var(--product-topbar));
    margin-left: var(--product-sidebar);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
  }

  .active-request-rail {
    position: static;
    grid-row: 1;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: 12px 20px 0;
    border: 0;
  }

  .active-request-rail > .dvs-widget {
    width: 100%;
    height: auto;
    min-height: 72px;
    border-radius: 16px;
    box-shadow: none;
  }

  .active-request-rail > .dvs-widget > .widget-shell__header {
    min-height: 70px;
    padding: 12px 16px;
    align-items: center;
  }

  .active-request-rail > .dvs-widget > .widget-shell__body,
  .active-request-rail > .dvs-widget > .widget-shell__footer { display: none; }

  .product-route {
    grid-row: 2;
    width: 100%;
    min-height: 0;
    padding: 14px 20px 24px;
  }

  .product-route > .dvs-widget {
    height: auto;
    min-height: calc(100dvh - var(--product-topbar) - 122px);
    border-radius: 18px;
  }

  .app-mobile-nav,
  .app-mobile-more { display: none !important; }

}

/* Mobile shell: below 768. */
@media (max-width: 767px) {
  .app-shell {
    --product-sidebar: 0px;
    --product-topbar: 58px;
    --mobile-nav-h: 64px;
    --mobile-rail-h: 56px;
  }

  .app-sidebar { display: none; }

  .app-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    height: var(--product-topbar);
    margin-left: 0;
    padding: 0 max(12px, env(safe-area-inset-right)) 0 max(12px, env(safe-area-inset-left));
    background: color-mix(in srgb, var(--dvs-bg) 96%, transparent);
    backdrop-filter: blur(16px);
  }

  .app-topbar h1 { font-size: 20px; }
  .app-topbar__eyebrow { display: none; }
  .app-ai-trigger {
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    justify-content: center;
  }
  .app-ai-trigger span:nth-child(2),
  .app-ai-trigger kbd { display: none; }

  .app-product-body {
    min-height: calc(100dvh - var(--product-topbar));
    margin-left: 0;
    display: block;
  }

  .product-route {
    width: 100%;
    max-width: none !important;
    min-height: calc(100dvh - var(--product-topbar));
    padding: 12px max(12px, env(safe-area-inset-right)) calc(var(--mobile-nav-h) + var(--mobile-rail-h) + 28px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    display: block !important;
  }

  .product-route > .dvs-widget {
    height: calc(100dvh - var(--product-topbar) - var(--mobile-nav-h) - var(--mobile-rail-h) - 52px);
    min-height: calc(100dvh - var(--product-topbar) - var(--mobile-nav-h) - var(--mobile-rail-h) - 52px);
    border-radius: 16px;
  }

  .product-route > .dvs-widget:where(
    [data-widget-id="create-order"],
    [data-widget-id="catalog"],
    [data-widget-id="kanban"]
  ) {
    height: auto;
  }

  .active-request-rail {
    position: fixed;
    z-index: 45;
    left: max(10px, env(safe-area-inset-left));
    right: max(10px, env(safe-area-inset-right));
    bottom: calc(var(--mobile-nav-h) + env(safe-area-inset-bottom) + 6px);
    height: var(--mobile-rail-h);
    min-height: 0;
    padding: 0;
    border: 0;
  }

  .active-request-rail > .dvs-widget {
    width: 100%;
    height: 100%;
    min-height: 0;
    border-radius: 14px;
    box-shadow: 0 12px 34px rgba(0, 0, 0, .32);
  }

  .active-request-rail > .dvs-widget > .widget-shell__body,
  .active-request-rail > .dvs-widget > .widget-shell__footer,
  .active-request-rail > .dvs-widget > .widget-shell__header .widget-shell__actions { display: none; }

  .active-request-rail > .dvs-widget > .widget-shell__header {
    position: relative;
    min-height: 100%;
    height: 100%;
    padding: 8px 12px;
    align-items: center;
  }

  .active-request-rail .active-request-context-button {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    border-radius: 14px;
    background: transparent;
    cursor: pointer;
  }

  .active-request-rail .active-request-context-button:focus-visible {
    outline: 2px solid var(--dvs-accent);
    outline-offset: -3px;
  }

  .active-request-rail > .dvs-widget .widget-shell__title {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 16px;
  }

  .app-mobile-nav {
    position: fixed;
    z-index: 50;
    inset: auto 0 0;
    min-height: calc(var(--mobile-nav-h) + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
    padding: 6px max(8px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
    border-top: 1px solid var(--dvs-line);
    background: color-mix(in srgb, var(--dvs-bg) 96%, transparent);
    backdrop-filter: blur(18px);
  }

  .app-mobile-nav button,
  .app-mobile-more button {
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: var(--dvs-ink-soft);
    font: inherit;
    font-weight: 650;
  }

  .app-mobile-nav button[aria-current="page"],
  .app-mobile-nav button:focus-visible,
  .app-mobile-more button[aria-current="page"],
  .app-mobile-more button:focus-visible {
    color: var(--dvs-ink);
    background: var(--dvs-surface-raised);
    border-color: var(--dvs-line);
  }

  .app-mobile-more {
    position: fixed;
    z-index: 55;
    right: max(10px, env(safe-area-inset-right));
    bottom: calc(var(--mobile-nav-h) + var(--mobile-rail-h) + 18px + env(safe-area-inset-bottom));
    width: min(240px, calc(100vw - 20px));
    padding: 8px;
    display: grid;
    gap: 4px;
    border: 1px solid var(--dvs-line);
    border-radius: 16px;
    background: color-mix(in srgb, var(--dvs-surface) 98%, transparent);
    box-shadow: 0 18px 50px rgba(0, 0, 0, .38);
  }

  .app-mobile-more[hidden] { display: none; }

  .app-global-status {
    top: calc(var(--product-topbar) + 8px);
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    max-width: none;
  }

  .dvs-widget[data-widget-id="active-order"] .active-order-list-viewport { max-height: min(55dvh, 520px); }
}

@media (max-width: 560px) {
  .dvs-widget > .widget-shell__header { min-height: 54px; padding: 13px 14px 7px; }
  .dvs-widget > .widget-shell__body { padding: 8px 14px 14px; }
  .dvs-widget .widget-shell__title { font-size: 17px; }

  .dvs-widget[data-widget-id="create-order"] .requests-current { padding: 13px; }
  .dvs-widget[data-widget-id="create-order"] .requests-current__title { font-size: 19px; }

  .dvs-widget[data-widget-id="active-order"] .active-order-actions,
  .dvs-widget[data-widget-id="create-order"] .requests-current__actions,
  .dvs-widget[data-widget-id="create-order"] .requests-management__actions { display: grid; grid-template-columns: 1fr; }

  .dvs-widget[data-widget-id="active-order"] .active-order-actions .ui-button,
  .dvs-widget[data-widget-id="create-order"] .requests-current__actions .ui-button,
  .dvs-widget[data-widget-id="create-order"] .requests-management__actions .ui-button { width: 100%; }

  .dvs-widget[data-widget-id="ai-command"] .needle-chat__composer-row { align-items: stretch; }
  .dvs-widget[data-widget-id="ai-command"] .needle-chat__composer-row .ui-meta { display: none; }
  .dvs-widget[data-widget-id="ai-command"] .needle-chat__composer-row .ui-button { flex: 1; }

  .dvs-widget[data-widget-id="import"] .ui-textarea { min-height: 180px; }
}