/* Shared human/machine toggle styles for imported manual pages */
html[data-mode="human"] {
  color-scheme: light;
}

html[data-mode="machine"] {
  color-scheme: dark;
}

/* Shared theme tokens for manual-import pages (flow/curriculum/playbook/etc.) */
html[data-mode="human"] {
  --bg: #fafafa;
  --fg: #222;
  --fg-dim: #555;
  --fg-muted: #999;
  --accent: #1a73e8;
  --card: #ffffff;
  --chip: #efefef;
  --chip-fg: #333;
  --divider: #ebebeb;
  --green: #22c55e;
  --green-dim: #16a34a;
}

html[data-mode="machine"] {
  --bg: #0f0e0d;
  --fg: #d6c7ba;
  --fg-dim: #b8aba0;
  --fg-muted: #948a83;
  --accent: #d4a27f;
  --card: #151413;
  --chip: #1b1a19;
  --chip-fg: #d6c7ba;
  --divider: #2c2927;
  --green: #7fbf6d;
  --green-dim: #6fa960;
}

html[data-mode] body {
  background: var(--bg);
  color: var(--fg);
}

html[data-mode="human"] .machine-only {
  display: none !important;
}

html[data-mode="machine"] .human-only {
  display: none !important;
}

html[data-mode="human"] body .machine-only {
  display: none !important;
}

html[data-mode="machine"] body .human-only {
  display: none !important;
}

/* Day lesson pages: curriculum link left, Start + mode toggle grouped on the right */
.top-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.mode-toggle-shell {
  position: static;
  top: auto;
  left: auto;
  transform: none;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 3px;
}

/* Top-centered mode toggle for manual pages without a header action slot */
.ashs-floating-toggle {
  position: sticky;
  top: 10px;
  z-index: 1200;
  width: max-content;
  margin: 10px auto 0;
  left: auto;
  right: auto;
  transform: none;
}

/* Keep floating toggle buttons compact like header segmented control */
.ashs-floating-toggle .mode-btn {
  font-size: 0.62rem;
  padding: 0.34rem 0.72rem;
  letter-spacing: 0.08em;
}

/* Keep helper select accessible to JS but invisible in UI */
.mode-select-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Guardrail: some pages/scripts render #mode without the helper class */
select#mode[aria-hidden="true"],
select#mode.mode-select-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.mode-toggle-shell button {
  appearance: none;
  border: none;
  background: transparent;
  color: #666;
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 5px;
}

.mode-toggle-shell button.is-active {
  background: #111;
  color: #fff;
}

/* JS sets aria-pressed, not always .is-active — keep visuals in sync */
.mode-toggle-shell button[aria-pressed="true"] {
  background: #111;
  color: #fff;
}

html[data-mode="machine"] .mode-toggle-shell {
  background: rgba(17, 17, 17, 0.9);
  border-color: rgba(255, 255, 255, 0.2);
}

html[data-mode="machine"] .mode-toggle-shell button {
  color: #aaa;
}

html[data-mode="machine"] .mode-toggle-shell button.is-active {
  background: #fff;
  color: #111;
}

html[data-mode="machine"] .mode-toggle-shell button[aria-pressed="true"] {
  background: #fff;
  color: #111;
}

/* Unified button system across imported pages */
:root {
  --btn-radius: 8px;
  --btn-font-size: 13px;
  --btn-font-weight: 600;
  --btn-padding-y: 0.72rem;
  --btn-padding-x: 1.2rem;
}

html[data-mode] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  letter-spacing: 0.01em;
  line-height: 1;
  text-decoration: none !important;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, opacity 0.16s ease, border-color 0.16s ease, background-color 0.16s ease, color 0.16s ease;
}

html[data-mode] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
):hover {
  transform: translateY(-1px);
}

html[data-mode] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
):active {
  transform: translateY(0);
}

html[data-mode="human"] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
) {
  border-color: rgba(10, 10, 11, 0.16);
  background: #111;
  color: #fff;
}

html[data-mode="human"] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
):hover {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.14);
}

html[data-mode="human"] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
):focus-visible {
  outline: 2px solid #0a84ff;
  outline-offset: 2px;
}

html[data-mode="machine"] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
) {
  border-color: #3a3a3a;
  background: #d4a27f;
  color: #121110;
  font-weight: 700;
}

html[data-mode="machine"] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
):hover {
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
}

html[data-mode="machine"] :is(
  .btn-ui,
  .ui-btn,
  .curriculum-link,
  .binge-link,
  #idea-btn
):focus-visible {
  outline: 2px solid #d4a27f;
  outline-offset: 2px;
}

/* Bring single-source pages (without human/machine blocks) into machine palette */
html[data-mode="machine"] body {
  --bg: #0e0e0f;
  --fg: #d3d1c8;
  --fg-dim: #b8b4aa;
  --fg-muted: #918d86;
  --accent: #d4a27f;
  --card: #171717;
  --chip: #131313;
  --chip-fg: #d3d1c8;
  --divider: #2b2a28;
  --green: #5db46a;
  --green-dim: #4da05a;
  color: var(--fg);
  background: var(--bg);
}

html[data-mode="machine"] body a {
  color: var(--accent);
}

html[data-mode="human"] :is(.btn-ui-secondary, .btn-ui-ghost, .ui-btn-secondary, .ui-btn-ghost) {
  background: #fff;
  color: #111;
  border-color: rgba(10, 10, 11, 0.2);
}

html[data-mode="machine"] :is(.btn-ui-secondary, .btn-ui-ghost, .ui-btn-secondary, .ui-btn-ghost) {
  background: #1f1e1d;
  color: #d4a27f;
  border-color: #3a3a3a;
}

/* Compact copy button for machine lesson pages (matches provided reference) */
html[data-mode] .machine-copy-btn:not(.btn-ui):not(.ui-btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #666d73;
  border-radius: 4px;
  background: #676d73;
  color: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 0.34rem 0.52rem;
  text-decoration: none !important;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.14s ease, background-color 0.14s ease;
}

html[data-mode] .machine-copy-btn:not(.btn-ui):not(.ui-btn):hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.16);
}

html[data-mode] .machine-copy-btn:not(.btn-ui):not(.ui-btn):focus-visible {
  outline: 2px solid #0a84ff;
  outline-offset: 2px;
}

html[data-mode] :is(.pill, .btn-ui-chip, .ui-btn-chip) {
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html[data-mode="human"] :is(.pill, .btn-ui-chip, .ui-btn-chip) {
  background: #fff;
  color: #4b4b4b;
  border: 1px solid rgba(10, 10, 11, 0.2);
}

html[data-mode="human"] :is(.pill.active, .btn-ui-chip.active, .ui-btn-chip.active) {
  background: #111;
  color: #fff;
  border-color: #111;
}

html[data-mode="machine"] :is(.pill, .btn-ui-chip, .ui-btn-chip) {
  background: #1f1e1d;
  color: #d4a27f;
  border: 1px solid #3a3a3a;
}

html[data-mode="machine"] :is(.pill.active, .btn-ui-chip.active, .ui-btn-chip.active) {
  background: #d4a27f;
  color: #121110;
  border-color: #d4a27f;
}

html[data-mode] .ui-icon-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

html[data-mode] .ui-icon-btn:hover {
  transform: translateY(-1px);
}

html[data-mode="human"] .ui-icon-btn {
  background: rgba(0, 0, 0, 0.04);
  color: rgba(0, 0, 0, 0.66);
  border-color: rgba(0, 0, 0, 0.12);
}

html[data-mode="machine"] .ui-icon-btn {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.72);
  border-color: rgba(255, 255, 255, 0.2);
}

html[data-mode="human"] :is(.btn-ui, .ui-btn, .curriculum-link, .binge-link, #idea-btn)[disabled],
html[data-mode="machine"] :is(.btn-ui, .ui-btn, .curriculum-link, .binge-link, #idea-btn)[disabled],
html[data-mode="human"] :is(.btn-ui, .ui-btn, .curriculum-link, .binge-link, #idea-btn)[aria-disabled="true"],
html[data-mode="machine"] :is(.btn-ui, .ui-btn, .curriculum-link, .binge-link, #idea-btn)[aria-disabled="true"] {
  opacity: 0.62;
  cursor: not-allowed;
  pointer-events: none;
  transform: none !important;
  box-shadow: none !important;
}

@media (max-width: 960px) {
  .ashs-floating-toggle {
    top: 8px;
    margin-top: 8px;
  }

  :root {
    --btn-font-size: 12px;
    --btn-padding-y: 0.64rem;
    --btn-padding-x: 1rem;
  }

  html[data-mode] :is(.pill, .btn-ui-chip, .ui-btn-chip) {
    font-size: 10px;
    padding: 0.38rem 0.78rem;
    letter-spacing: 0.06em;
  }
}

@media (max-width: 640px) {
  .ashs-floating-toggle {
    top: 6px;
    margin-top: 6px;
  }

  html[data-mode] :is(.curriculum-link, .binge-link, #idea-btn) {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .ashs-flow-top-controls {
    top: 0;
    justify-content: flex-start;
    align-items: center;
    max-width: none;
    width: calc(100% - 2rem);
    margin-left: auto;
    margin-right: auto;
    padding: max(8px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px)) 12px
      max(12px, env(safe-area-inset-left, 0px));
    row-gap: 10px;
    column-gap: 10px;
    border-radius: 0 0 14px 14px;
  }

  html[data-mode="human"] .ashs-flow-top-controls {
    background: rgba(250, 250, 250, 0.94);
    border: 1px solid rgba(10, 10, 11, 0.09);
    border-top: none;
    box-shadow: 0 10px 30px rgba(10, 10, 11, 0.07);
  }

  html[data-mode="machine"] .ashs-flow-top-controls {
    background: rgba(18, 17, 16, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: none;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.38);
  }

  .ashs-flow-top-controls .mode-toggle-shell.mode-segment:not(.aps-lang-segment) .mode-btn,
  .site-header .nav-actions .mode-toggle-shell.mode-segment:not(.aps-lang-segment) .mode-btn {
    min-height: 36px;
    padding: 8px 12px;
    font-size: 10px;
  }

  html[data-mode="human"] .site-header .mode-toggle-shell.mode-segment:not(.aps-lang-segment) button[aria-pressed="true"],
  html[data-mode="human"] .ashs-flow-top-controls .mode-toggle-shell.mode-segment:not(.aps-lang-segment) button[aria-pressed="true"] {
    box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.35);
  }

  html[data-mode="machine"] .site-header .mode-toggle-shell.mode-segment:not(.aps-lang-segment) button[aria-pressed="true"],
  html[data-mode="machine"] .ashs-flow-top-controls .mode-toggle-shell.mode-segment:not(.aps-lang-segment) button[aria-pressed="true"] {
    box-shadow: 0 0 0 2px rgba(212, 162, 127, 0.55);
  }
}

body.mode-human .machine-only {
  display: none !important;
}

body.mode-machine .human-only {
  display: none !important;
}