/* Download page specific styles. Inherits baseline, tokens, and components from site.css */

.download-intro-section {
  margin-block: var(--space-xl) var(--space-lg);
}

.download-lead {
  font: var(--type-body);
  font-size: 1.25rem;
  color: var(--color-ink);
  margin: 0;
  max-width: var(--text-measure);
}

/* Mobile Visitor Notice Panel */
.mobile-notice-section {
  margin-block-end: var(--space-lg);
}

.mobile-notice-panel {
  background-color: var(--color-keycap);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-panel);
  padding: var(--space-lg);
  max-width: var(--text-measure);
}

.mobile-notice-panel h2 {
  font: var(--type-title);
  margin-block: 0 var(--space-xs);
}

.mobile-notice-panel p {
  font: var(--type-body);
  color: var(--color-ink);
  margin-block: 0 var(--space-md);
}

.mobile-notice-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Download Panels Grid */
.download-panels-section {
  margin-block-end: var(--space-section);
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: var(--page-max);
}

@media (max-width: 768px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
}

.download-panel {
  background-color: var(--color-keycap);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-panel);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
}

@media (max-width: 640px) {
  .download-panel {
    padding: var(--space-lg);
  }
}

.download-panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-block-end: var(--space-xs);
}

.download-panel-header h2 {
  margin: 0;
  font: var(--type-headline);
}

.download-os-match {
  font: var(--type-small);
  color: var(--color-primary);
  font-weight: 600;
}

.download-req {
  font: var(--type-body);
  color: var(--color-ink);
  margin-block: 0 var(--space-xs);
}

.download-file-info {
  font: var(--type-small);
  color: var(--color-slate);
  margin-block: 0 var(--space-lg);
}

.download-action {
  margin-block-end: var(--space-md);
}

.download-action .btn {
  width: 100%;
}

/* Checksum Details */
.checksum-details {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-rule);
  padding-top: var(--space-sm);
}

.checksum-summary {
  font: var(--type-small);
  color: var(--color-slate);
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 32px;
}

.checksum-summary:hover {
  color: var(--color-primary);
}

.checksum-body {
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checksum-label {
  font: var(--type-small);
  color: var(--color-slate);
  margin: 0;
}

.checksum-code,
.checksum-cmd {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  background-color: var(--color-neutral);
  color: var(--color-ink);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-control);
  border: 1px solid var(--color-rule);
  display: block;
}

.checksum-code {
  overflow-wrap: anywhere;
  word-break: break-all;
}

/* Before You Open: Tabs & Steps */
.before-open-lead {
  font: var(--type-body);
  margin-block-end: var(--space-lg);
}

.os-tabs-container {
  margin-block-start: var(--space-md);
}

/* Without JS, both panels show one after another */
html:not(.has-js) .os-tablist {
  display: none;
}

html:not(.has-js) .os-tabpanel {
  display: block;
  margin-block-end: var(--space-xl);
}

html:not(.has-js) .os-tabpanel-title {
  display: block;
  font: var(--type-title);
  margin-block: var(--space-lg) var(--space-sm);
}

/* With JS active, show tablist and hide redundant heading */
.has-js .os-tablist {
  display: inline-flex;
  gap: var(--space-xs);
  background-color: var(--color-neutral);
  padding: 4px;
  border: 1px solid var(--color-rule);
  border-radius: calc(var(--radius-key) + 2px);
  margin-block-end: var(--space-lg);
}

.has-js .os-tabpanel-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.os-tab {
  font: var(--type-body-strong);
  padding: 8px 24px;
  min-height: 44px;
  border-radius: var(--radius-key);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-slate);
  cursor: pointer;
  font-synthesis: none;
  transition: color 80ms ease, background-color 80ms ease;
  box-sizing: border-box;
}

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

.os-tab[aria-selected="true"] {
  background-color: var(--color-keycap);
  color: var(--color-primary);
  border-color: var(--color-rule);
  border-bottom: var(--key-edge) solid var(--color-keycap-edge);
}

.os-tabpanel[hidden] {
  display: none !important;
}

.os-tabpanel:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-control);
}

/* Numbered Steps */
.step-list {
  margin: 0;
  padding-left: var(--space-lg);
  max-width: var(--text-measure);
}

.step-item {
  font: var(--type-body);
  margin-block-end: var(--space-md);
  padding-left: var(--space-xs);
}

.step-item::marker {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}

/* Step Screenshot Reserved Slot */
.step-shot {
  margin: var(--space-md) 0 var(--space-xs) 0;
  aspect-ratio: 16 / 10;
  max-width: 520px;
  width: 100%;
  background-color: var(--color-neutral);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-panel);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.step-shot-placeholder {
  font: var(--type-small);
  color: var(--color-slate);
  text-align: center;
  padding: var(--space-md);
}

/* Keyboard Layouts Section */
.keyboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-block-start: var(--space-md);
  max-width: var(--page-max);
}

@media (max-width: 768px) {
  .keyboard-grid {
    grid-template-columns: 1fr;
  }
}

.keyboard-item {
  background-color: var(--color-keycap);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-panel);
  padding: var(--space-lg);
}

.keyboard-item h3 {
  font: var(--type-title);
  margin-block: 0 var(--space-xs);
}

.keyboard-item p {
  margin: 0;
  font: var(--type-body);
}

/* After Installing Section */
.usage-list {
  margin: var(--space-md) 0 0 0;
  padding-left: 20px;
  max-width: var(--text-measure);
}

.usage-item {
  font: var(--type-body);
  margin-block-end: var(--space-md);
}

.usage-sublist {
  margin-top: var(--space-xs);
  padding-left: 20px;
}

.usage-sublist li {
  margin-block: var(--space-xs);
}

/* Help Section */
.help-section p {
  font: var(--type-body);
}