.stack-intro {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.stack-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.stack-intro .button,
.stack-card__link {
  gap: 8px;
}

.stack-grid .stack-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.stack-grid .stack-card:hover {
  border-color: #b9c9f5;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.stack-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stack-card__icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 9px;
  background: #eef3ff;
  color: var(--brand);
}

.stack-grid .stack-card__top b {
  letter-spacing: 0.08em;
}

.stack-grid .stack-card h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 22px 0 10px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.stack-card__version {
  padding: 3px 9px;
  border: 1px solid #cfdcfb;
  border-radius: 999px;
  background: #eef3ff;
  color: var(--brand);
  font: 600 13px var(--mono);
  letter-spacing: 0;
}

.stack-grid .stack-card p {
  flex: 1 1 auto;
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.7;
}

.stack-card__link {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  padding: 0;
  border: 0;
  background: none;
  color: var(--brand);
  font: 800 13px var(--font);
  cursor: pointer;
}

.stack-card__link span {
  transition: transform 0.2s ease;
}

.stack-card__link:hover span {
  transform: translateX(3px);
}

.stack-card__link:focus-visible,
.stack-dialog__close:focus-visible {
  outline: 3px solid #9fb8f7;
  outline-offset: 3px;
}

.stack-tab:focus-visible {
  border-radius: 7px 7px 0 0;
  outline: 3px solid #9fb8f7;
  outline-offset: -3px;
}

body:has(.stack-dialog[open]) {
  overflow: hidden;
}

.stack-dialog {
  width: min(960px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 28px 90px rgba(15, 23, 42, 0.28);
}

.stack-dialog:focus {
  outline: none;
}

.stack-dialog[open] {
  animation: stack-dialog-in 0.22s ease-out;
}

.stack-dialog::backdrop {
  background: rgba(15, 23, 42, 0.62);
  backdrop-filter: blur(4px);
}

@keyframes stack-dialog-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
}

.stack-dialog__inner {
  display: flex;
  max-height: calc(100vh - 34px);
  flex-direction: column;
}

.stack-dialog__header,
.stack-tabs,
.stack-dialog__footer {
  flex: 0 0 auto;
}

.stack-dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 28px 18px;
}

.stack-dialog__header .eyebrow {
  margin-bottom: 8px;
}

.stack-dialog .stack-dialog__header h2 {
  margin: 0 0 4px;
  font-size: 26px;
  letter-spacing: -0.03em;
}

.stack-dialog__header p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.stack-dialog__close {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: #334155;
  font-size: 14px;
  cursor: pointer;
}

.stack-dialog__close:hover {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.stack-tabs {
  display: flex;
  gap: 4px;
  padding: 0 28px;
  overflow-x: auto;
  box-shadow: inset 0 -1px 0 var(--line);
  scrollbar-width: none;
}

.stack-tab {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font: 700 13px var(--font);
  cursor: pointer;
}

.stack-tab:hover {
  color: var(--ink);
}

.stack-tab[aria-selected="true"] {
  border-bottom-color: var(--brand);
  color: var(--brand);
}

.stack-dialog__body {
  flex: 1 1 auto;
  min-height: 0;
  padding: 24px 28px 28px;
  overflow-y: auto;
  background: var(--soft);
  overscroll-behavior: contain;
}

.stack-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0 0 24px;
}

.stack-facts div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
}

.stack-facts dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stack-facts dd {
  margin: 4px 0 0;
  font: 600 15px var(--mono);
}

.stack-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stack-group,
.stack-app {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.stack-group h3 {
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stack-group ul,
.stack-app ul {
  margin: 0;
  padding: 4px 16px;
  list-style: none;
}

.stack-group li,
.stack-app li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid #edf1f6;
}

.stack-group li:last-child,
.stack-app li:last-child {
  border-bottom: 0;
}

.stack-group li > span {
  display: grid;
  min-width: 0;
}

.stack-group code,
.stack-app code {
  overflow-wrap: anywhere;
  font: 500 12px var(--mono);
}

.stack-group small {
  color: var(--muted);
  font-size: 12px;
}

.stack-group li b,
.stack-app li b {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 6px;
  background: #eef3ff;
  color: var(--brand);
  font: 600 12px var(--mono);
  white-space: nowrap;
}

.stack-apps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stack-app header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 0;
}

.stack-app h3 {
  margin: 0;
  font-size: 16px;
}

.stack-app header code {
  color: var(--muted);
}

.stack-app header > span {
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font: 600 11px var(--mono);
  white-space: nowrap;
}

.stack-app__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 16px 6px;
}

.stack-app__meta span {
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #475569;
  font-size: 11px;
  font-weight: 700;
}

.stack-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.stack-dialog__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.stack-dialog__footer .text-link {
  flex: 0 0 auto;
}

@media (max-width: 760px) {
  .stack-facts {
    grid-template-columns: 1fr 1fr;
  }

  .stack-groups,
  .stack-apps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .stack-intro .button {
    width: 100%;
  }

  .stack-dialog {
    width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
  }

  .stack-dialog__inner {
    max-height: calc(100vh - 18px);
  }

  .stack-dialog__header {
    padding: 20px 16px 14px;
  }

  .stack-dialog .stack-dialog__header h2 {
    font-size: 22px;
  }

  .stack-tabs {
    gap: 0;
    padding: 0 6px;
  }

  .stack-tab {
    padding: 12px 10px;
  }

  .stack-tab svg {
    display: none;
  }

  .stack-dialog__body {
    padding: 16px;
  }

  .stack-dialog__footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stack-dialog[open] {
    animation: none;
  }

  .stack-grid .stack-card,
  .stack-card__link span {
    transition: none;
  }

  .stack-grid .stack-card:hover {
    transform: none;
  }

  .stack-dialog::backdrop {
    backdrop-filter: none;
  }
}