/* CSS Design System for ai.micr.dev (Borderless Monochrome 60/40 Edition) */

@font-face {
  font-family: "Helvetica Neue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeue-Roman.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Helvetica Neue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeue-Medium.otf") format("opentype");
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
}

@font-face {
  font-family: "Helvetica Neue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeueBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Helvetica Neue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeueItalic.ttf") format("truetype");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "helveticaNeue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeue-Roman.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "helveticaNeue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeue-Medium.otf") format("opentype");
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
}

@font-face {
  font-family: "helveticaNeue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeueBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "helveticaNeue";
  src: url("assets/fonts/helvetica-neue/HelveticaNeueItalic.ttf") format("truetype");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Commit Mono";
  src: url("assets/fonts/commit-mono/CommitMono-400-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Commit Mono";
  src: url("assets/fonts/commit-mono/CommitMono-700-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

/* --- 1. GLOBAL VARIABLES & SYSTEM TOKENS --- */
:root {
  /* Fonts from nikota.dev and references */
  --font-helvetica-neue: "helveticaNeue", "Helvetica Neue", "Inter", sans-serif;
  --font-ysabeau: "Ysabeau", "Ysabeau Fallback", "Georgia", serif;
  --font-serif: var(--font-ysabeau);
  --font-karla: "Karla", "Karla Fallback", sans-serif;
  --font-space-grotesk: "Space Grotesk", sans-serif;
  --font-mono: "Commit Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Colors - EXCLUSIVELY BLACK & WHITE */
  --color-bg: #121212;
  --color-bg-deep: #121212;
  --color-primary: #ffffff;
  --color-secondary: #8b8b8b;
  --color-tertiary: #555555;
  --color-dark-muted: #181818;
  
  /* Accent is pure white */
  --color-accent: #ffffff;
  
  /* Borders - Only used for the sole boxed AGENTS.md exception */
  --color-border: #242424;
  --color-border-hover: #444444;

  --stack-edge-top: 9rem;
  --stack-edge-right: 15rem;
  --stack-edge-bottom: 9rem;
  --stack-edge-left: 9rem;
  --changelog-edge-top: 9rem;
  --changelog-edge-right: 12rem;
  --changelog-edge-bottom: 9rem;
  --changelog-edge-left: 12rem;
  --changelog-indent: 3rem;
  --changelog-entry-gap: 0.35rem;
  --entry-gap: 0.75rem;
  --tool-entry-gap: 0rem;
  --tool-row-gap: 0.70rem;
  --tool-heading-gap: 0rem;
  --site-visual-scale: 0.9;

}

/* --- 2. BASE RESET & BODY STRUCTURE --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: auto;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  font-style: normal;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-deep);
  color: var(--color-primary);
  font-family: var(--font-helvetica-neue);
  letter-spacing: -0.30px;
  line-height: 1.25;
  overflow: hidden; /* Desktop columns will scroll internally */
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

body.is-dialog-open {
  overflow: hidden;
}

body.fonts-loading .page-container {
  visibility: hidden;
}

body.fonts-ready .page-container {
  visibility: visible;
}

/* Font mapping classes explicitly specified by user */
.font-sans {
  font-family: var(--font-helvetica-neue);
}
.font-karla {
  font-family: var(--font-karla);
}
.font-serif {
  font-family: var(--font-ysabeau);
}
.font-space {
  font-family: var(--font-space-grotesk);
}

/* Antialiasing for supreme crisp typography */
.antialiased {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-bg-deep);
}

/* --- 3. BACKGROUND EFFECTS (Clean Grid, No Colored Glows) --- */
.ambient-glows {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  background-color: var(--color-bg);
  pointer-events: none;
}

/* Color sways are removed for the pure black & white aesthetic */
.glow {
  display: none;
}

/* Subtle, premium technical dot grid */
.glow-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* --- 4. LAYOUT SYSTEM (60/40 Desktop Split) --- */
.page-container {
  display: flex;
  width: calc(100vw / var(--site-visual-scale));
  height: calc(100vh / var(--site-visual-scale));
  transform: scale(var(--site-visual-scale));
  transform-origin: top left;
}

/* --- 5. LEFT COLUMN: CHANGELOG (40% Width, Left Scrollbar, Independent Scroll) --- */
.changelog-column {
  width: 40%; /* 40% of screen */
  height: 100%;
  border-right: none; /* Removed the column border line in between */
  background-color: var(--color-bg-deep);
  
  /* Scrollbar Left Trick */
  direction: rtl;
  overflow-y: auto;
}

/* Restore child scroll direction back to normal */
.changelog-scroll-wrapper {
  direction: ltr;
  width: 100%;
  height: auto;
}

.changelog-content-container {
  padding:
    var(--changelog-edge-top)
    var(--changelog-edge-right)
    var(--changelog-edge-bottom)
    var(--changelog-edge-left); /* tuned content-to-edge spacing */
}

/* Styled scrollbars for high fidelity */
.changelog-column::-webkit-scrollbar {
  width: 3px;
}
.changelog-column::-webkit-scrollbar-track {
  background: transparent;
}
.changelog-column::-webkit-scrollbar-thumb {
  background: var(--color-dark-muted);
}
.changelog-column::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-hover);
}

/* --- 6. RIGHT COLUMN: STACK (60% Width, Fixed in Viewport, Internal Scroll Regions) --- */
.stack-column {
  width: 60%; /* 60% of screen */
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden; /* FIXED IN VIEWPORT */
  background-color: transparent;
}

/* Top sticky header section inside the stack */
.stack-branding {
  padding: 3rem 4rem 2rem 4rem;
  border-bottom: none; /* Removed the border line under header */
  background-color: var(--color-bg-deep);
}

.brand-title {
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: 0px;
}

.stack-scroll-region {
  flex: 1;
  overflow-y: auto;
  padding:
    var(--stack-edge-top)
    var(--stack-edge-right)
    var(--stack-edge-bottom)
    var(--stack-edge-left); /* tuned content-to-edge spacing */
  
  /* Hide standard scrollbars for a floating, cardless text aesthetic */
  scrollbar-width: none;
}
.stack-scroll-region::-webkit-scrollbar {
  display: none;
}

.stack-footer {
  padding: 1.5rem 4rem;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--color-tertiary);
  border-top: none; /* Removed border line above footer */
  background-color: var(--color-bg-deep);
}

/* --- 7. REUSABLE STACK SECTION TYPOGRAPHY --- */
.column-header {
  margin-bottom: 3rem;
}

.column-title {
  font-family: var(--font-space-grotesk) !important;
  font-size: 1.6rem;
  font-weight: 600 !important;
  font-style: normal !important;
  color: var(--color-primary);
  margin-bottom: 0px;
}

.stack-section {
  margin-bottom: 1rem;
}

.section-heading {
  font-family: var(--font-space-grotesk) !important;
  font-size: 1.6rem;
  font-weight: 600 !important;
  font-style: normal !important;
  color: var(--color-primary);
  border-bottom: none; /* Removed border line under section headings */
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
}

#hooks .section-heading,
#image-gen .section-heading,
#workspace .section-heading {
  margin-top: 3rem;
}

/* --- 8. STACK ENTRY ELEMENTS (Text Directly on Void - NO CARDS) --- */
.stack-entry {
  position: relative;
  margin-bottom: var(--entry-gap);
  transition: transform 120ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.entry-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.4rem;
}

.entry-name {
  font-size: inherit;
  font-weight: 600;
  color: var(--color-primary);
  transition: color 160ms ease;
}

/* Skiper Link004-style hover: white difference block fill plus arrow reveal. */
.entry-title-link {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 1.05rem;
  line-height: 1.25;
  letter-spacing: -0.30px;
  color: var(--color-primary);
  text-decoration: none;
  position: relative;
  outline: none;
  padding: 0 0.5rem;
  margin-left: -0.5rem;
}

.entry-title-link::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  bottom: -0.08em;
  width: calc(100% - 0.5rem);
  height: 0;
  pointer-events: none;
  z-index: 1;
  background-color: #ffffff;
  mix-blend-mode: difference;
  transform: scaleX(1);
  transform-origin: center;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.entry-title-link:hover::before,
.entry-title-link:focus-visible::before {
  height: 1.25em;
}

.entry-title-link .entry-name {
  position: relative;
  z-index: 0;
}

.entry-title-link:hover .entry-name {
  color: var(--color-primary);
}

/* Quiet Secondary Text without Loud Field Labels */
.entry-description {
  font-size: 0.95rem;
  color: var(--color-secondary);
  line-height: 1.25;
  margin-bottom: 0.25rem;
}

.entry-metadata {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-tertiary);
  opacity: 0.6;
}

/* Reveal link icon to the right on hover or focus */
.link-icon {
  position: relative;
  z-index: 0;
  flex: none;
  width: 0.55em;
  height: 0.55em;
  color: var(--color-accent);
  margin-left: 0.6em;
  opacity: 0;
  transform: translateY(0.25rem);
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.entry-title-link:hover .link-icon,
.entry-title-link:focus-visible .link-icon {
  opacity: 1;
  transform: translateY(0) rotate(45deg);
}

.text-3d-flip {
  position: relative;
  display: inline-grid;
  align-items: baseline;
  perspective: 700px;
  transform-style: preserve-3d;
  min-width: var(--flip-width, auto);
  min-height: 1.05em;
}

.text-3d-flip-inner {
  display: inline-grid;
  grid-area: 1 / 1;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  transition: transform 170ms cubic-bezier(0.22, 1, 0.36, 1), opacity 120ms ease;
  white-space: nowrap;
}

.text-3d-flip-front {
  opacity: 1;
  transform: rotateX(0deg) translateY(0);
}

.text-3d-flip-back {
  color: var(--color-primary);
  opacity: 0;
  transform: rotateX(-86deg) translateY(0.1em);
}

.stack-entry:hover .text-3d-flip-front,
.stack-entry:focus-within .text-3d-flip-front {
  opacity: 0;
  transform: rotateX(86deg) translateY(-0.1em);
}

.stack-entry:hover .text-3d-flip-back,
.stack-entry:focus-within .text-3d-flip-back {
  opacity: 1;
  transform: rotateX(0deg) translateY(0);
}

/* --- 9. PRIMARY VS SECONDARY PRESENTATION GRID (60/40 SPLIT) --- */
.role-grid {
  display: flex;
  gap: 3rem;
}

.role-column {
  min-width: 0; /* prevent layout break */
}

/* 60% Width for Primary (Left Column) */
.role-column:first-child {
  flex: 6;
}

/* 40% Width for Secondary (Right Column) */
.role-column:last-child {
  flex: 4;
}

.role-label {
  display: none;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-tertiary);
  margin-bottom: 1.25rem;
  border-left: none; /* Removed the small indicator line next to role labels */
  padding-left: 0rem;
}

/* Highlight Primary role with a distinct bold white text color */
.role-column:first-child .role-label {
  color: var(--color-primary);
}

/* Simple stacked list for hooks, MCPs, local tools */
.simple-list {
  display: flex;
  flex-direction: column;
}

.two-column-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.75rem;
  row-gap: 0.25rem;
}

#mcps .two-column-list,
#cli-tools .two-column-list {
  row-gap: var(--tool-row-gap);
}

#mcps .stack-entry,
#cli-tools .stack-entry {
  margin-bottom: var(--tool-entry-gap);
}

#mcps .entry-header,
#cli-tools .entry-header {
  margin-bottom: var(--tool-heading-gap);
}

/* --- 10. SKILLS SECTION (Inline items, low opacity labels) --- */
.skills-inline-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.skill-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.9rem;
  cursor: pointer;
  position: relative;
  transition: transform 120ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.skill-name::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  bottom: -0.08em;
  width: calc(100% - 0.5rem);
  height: 0;
  pointer-events: none;
  z-index: 1;
  background-color: #ffffff;
  mix-blend-mode: difference;
  transform: scaleX(1);
  transform-origin: center;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-item:hover .skill-name::before,
.skill-item:focus-visible .skill-name::before {
  height: 1.25em;
}

.skill-item:focus-visible {
  outline: 1px solid var(--color-border-hover);
  outline-offset: 0.25rem;
}

.skill-name {
  font-weight: 600;
  color: var(--color-primary);
  position: relative;
  z-index: 0;
  padding: 0 0.5rem;
  margin-left: -0.5rem;
}

.stack-entry.is-linked-target .entry-name,
.skill-item.is-linked-target .skill-name {
  color: var(--color-accent);
}

.skill-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
  background-color: var(--color-dark-muted);
  position: relative;
  z-index: 0;
}

/* Clean, monochrome badge stylings */
.badge-favorite,
.badge-handmade {
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.skill-detail {
  color: var(--color-secondary);
  font-size: 0.85rem;
  position: relative;
  z-index: 0;
}

/* --- 11. AGENTS.MD SECTION (Sole boxed exception) --- */
.agents-box-container {
  width: 100%;
}

.editor-pane {
  position: relative;
  background-color: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 220px;
}

.editor-pane-dialog {
  width: 100%;
  height: 100%;
  max-height: none;
}

.render-trigger {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border-hover);
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease, transform 160ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.editor-actions {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
}

.editor-view-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border-hover);
  border-radius: 4px;
  overflow: visible;
}

.icon-control {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.editor-view-toggle .icon-control {
  border: 0;
  border-radius: 0;
}

.editor-view-toggle .icon-control + .icon-control {
  border-left: 1px solid var(--color-border-hover);
}

.control-icon {
  width: 0.95rem;
  height: 0.95rem;
  flex: none;
}

.render-trigger:hover,
.render-trigger.is-active,
.render-trigger.is-copied {
  background-color: var(--color-primary);
  color: var(--color-bg-deep);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* IDE Body Split */
.editor-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  font-size: 0.8rem;
  line-height: 1.45;
}

#agents-inline-open-target {
  cursor: zoom-in;
}

#agents-inline-open-target:focus-visible {
  outline: 1px solid var(--color-border-hover);
  outline-offset: -1px;
}

.line-numbers {
  flex: none;
  width: 3rem;
  text-align: right;
  padding: 1rem 0.75rem;
  font-family: var(--font-mono);
  font-weight: 300;
  color: var(--color-tertiary);
  border-right: 1px solid var(--color-border);
  background-color: var(--color-bg-deep);
  user-select: none;
  overflow: hidden;
  scrollbar-width: none;
  line-height: inherit;
}

.line-numbers div {
  height: 1.45em;
}

.line-numbers::-webkit-scrollbar {
  display: none;
}

.editor-code {
  flex: 1;
  margin: 0;
  overflow: auto;
  padding: 1rem;
  font-family: var(--font-mono);
  font-weight: 300;
  color: var(--color-secondary);
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
}

.editor-code code {
  font-family: inherit;
}

.editor-code[hidden],
.line-numbers[hidden],
.agents-rendered-view[hidden] {
  display: none;
}

.agents-rendered-view {
  flex: 1;
  overflow-y: auto;
  padding: 1.35rem 1.5rem;
  color: var(--color-secondary);
  line-height: 1.5;
}

.view-panel {
  will-change: transform, opacity;
}

.view-panel.is-entering {
  animation: text-panel-enter 220ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.view-panel.is-exiting {
  animation: text-panel-exit 160ms cubic-bezier(0.4, 0, 1, 1) both;
}

.agents-rendered-view::-webkit-scrollbar {
  width: 4px;
}

.agents-rendered-view::-webkit-scrollbar-thumb {
  background: var(--color-border-hover);
}

.editor-code::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
.editor-code::-webkit-scrollbar-thumb {
  background: var(--color-border-hover);
}

/* --- 12. CHANGELOG ENTRY LAYOUT (Grouped by Date) --- */
.changelog-timeline {
  display: flex;
  flex-direction: column;
}

.change-group {
  position: relative;
  padding-bottom: 2.5rem;
}

/* Removed vertical timeline indicator line completely */
.change-group::before {
  display: none;
}

/* Node indicator */
.change-date {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-left: 0rem; /* removed padding for sharp left alignment */
}

/* Circles completely removed as requested */
.change-date::before {
  display: none;
}

.change-entries {
  padding-left: var(--changelog-indent);
}

.change-entry {
  margin-bottom: var(--changelog-entry-gap);
  cursor: pointer;
  overflow-wrap: anywhere;
}

.change-entry:last-child {
  margin-bottom: 0;
}

.change-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
  transition: color 0s;
}

/* Highlighting targets */
.change-entry:hover .change-title {
  color: var(--color-primary);
}

.change-description {
  font-size: 0.95rem;
  color: var(--color-tertiary);
  line-height: 1.25;
  overflow-wrap: anywhere;
}

/* --- 13. WORKSPACE TOOLTIP DETAIL --- */
.tooltip-target {
  cursor: help;
}

.custom-tooltip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.65rem);
  z-index: 50;
  width: max-content;
  min-width: 13rem;
  max-width: 18rem;
  background-color: var(--color-bg-deep);
  border: 1px solid var(--color-border-hover);
  border-radius: 6px;
  padding: 0.95rem 1.05rem;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.35rem);
  transition: opacity 180ms ease, transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tooltip-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.55rem;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: 0.7rem;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.tooltip-row:last-child {
  margin-bottom: 0;
}

.tooltip-row span:first-child {
  color: var(--color-tertiary);
}

/* Toggle Tooltip */
.tooltip-target:hover .custom-tooltip {
  opacity: 1;
  transform: translateY(0);
}

[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.65rem);
  z-index: 10000;
  width: max-content;
  max-width: 280px;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--color-border-hover);
  border-radius: 4px;
  background-color: var(--color-bg-deep);
  color: var(--color-secondary);
  font-family: var(--font-karla);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.25;
  text-transform: none;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 0.3rem);
  transition: opacity 160ms ease, transform 160ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.editor-actions [data-tooltip]::after {
  content: none;
  display: none;
}

.floating-tooltip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 2147483647;
  width: max-content;
  max-width: min(280px, calc(100vw - 1.5rem));
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--color-border-hover);
  border-radius: 4px;
  background-color: var(--color-bg-deep);
  color: var(--color-secondary);
  font-family: var(--font-karla);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.25;
  text-transform: none;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 0.25rem);
  transition: opacity 120ms ease, transform 120ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.floating-tooltip.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}


/* Inline AGENTS.md rendered markdown styling */
.agents-rendered-view h1 {
  font-family: var(--font-space-grotesk);
  font-style: normal;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.30px;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0 0 0.85rem;
}

.agents-rendered-view h2 {
  font-family: var(--font-space-grotesk);
  font-style: normal;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.30px;
  line-height: 1.25;
  color: var(--color-primary);
  margin: 1.4rem 0 0.5rem;
}

.agents-rendered-view h3 {
  font-family: var(--font-helvetica-neue);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.30px;
  line-height: 1.25;
  color: var(--color-primary);
  margin: 0.95rem 0 0.35rem;
}

.agents-rendered-view p {
  font-size: 0.875rem;
  font-style: normal;
  line-height: 1.45;
  margin-bottom: 0.7rem;
}

.agents-rendered-view em {
  font-style: normal;
}

.agents-rendered-view ul {
  list-style-type: disc;
  padding-left: 1.2rem;
  margin: 0.55rem 0 0.85rem;
}

.agents-rendered-view ol {
  list-style-type: decimal;
  padding-left: 1.25rem;
  margin: 0.55rem 0 0.85rem;
}

.agents-rendered-view li {
  font-size: 0.875rem;
  line-height: 1.42;
  padding-left: 0.15rem;
  margin-bottom: 0.3rem;
}

.agents-rendered-view blockquote {
  margin: 1rem 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-dark-muted);
  color: var(--color-secondary);
}

.agents-rendered-view hr {
  display: none; /* Removed horizontal rule lines */
}

.agents-rendered-view pre {
  background-color: var(--color-dark-muted);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.85rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.agents-rendered-view code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-primary);
}

.agents-rendered-view p > code,
.agents-rendered-view li > code {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-dark-muted);
  padding: 0.08rem 0.28rem;
  color: var(--color-primary);
}

.agents-rendered-view a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-border-hover);
  text-underline-offset: 0.18em;
}

.agents-rendered-view table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.82rem;
}

.agents-rendered-view th,
.agents-rendered-view td {
  border: 1px solid var(--color-border);
  padding: 0.45rem 0.6rem;
}

.agents-rendered-view th {
  color: var(--color-primary);
  font-weight: 600;
}

.agents-rendered-view strong,
.agents-rendered-view b {
  font-weight: 650;
  color: var(--color-primary);
}

/* Styled Redaction Markers in Markdown render - Monochrome */
.redacted-text {
  background-color: var(--color-dark-muted);
  color: var(--color-secondary);
  border: 1px dashed var(--color-border-hover);
  padding: 0.05rem 0.25rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.redacted-block {
  background-color: #222222;
  color: #222222;
  padding: 0.05rem 0.2rem;
  letter-spacing: -0.05em;
  user-select: none;
}

/* GH alert-important custom alert - Monochrome */
.gh-alert {
  border: 1px solid var(--color-border-hover);
  background-color: var(--color-dark-muted);
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* --- Motion Primitives-inspired Morphing Dialog --- */
.morph-dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.morph-dialog-overlay[hidden] {
  display: none !important;
}

.morph-dialog-overlay.is-open {
  pointer-events: auto;
}

.morph-dialog-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(18, 18, 18, 0.76);
  cursor: pointer;
  opacity: 0;
  transition: opacity 220ms ease;
}

.morph-dialog-overlay.is-open .morph-dialog-backdrop {
  opacity: 1;
}

.morph-dialog-panel {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100vw - 4rem));
  height: min(720px, calc(100vh - 4rem));
  transform-origin: top left;
  will-change: transform, opacity;
}

.morph-dialog-panel .editor-body {
  font-size: 0.82rem;
}

.morph-dialog-panel .editor-code {
  word-break: normal;
}

.skill-dialog-panel {
  position: relative;
  z-index: 1;
  width: min(820px, calc(100vw - 4rem));
  max-height: min(720px, calc(100vh - 4rem));
  min-height: 260px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-bg-deep);
  transform-origin: center;
  animation: skill-dialog-in 180ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.skill-dialog-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.skill-dialog-content {
  padding: 2rem;
}

.skill-dialog-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--color-tertiary);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.skill-dialog-title {
  margin-bottom: 0.85rem;
  color: var(--color-primary);
  font-family: var(--font-space-grotesk);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.2;
}

.skill-editor-pane {
  height: min(520px, calc(100vh - 13rem));
  max-height: min(520px, calc(100vh - 13rem));
}

.skill-editor-body {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
  font-size: 0.8rem;
  line-height: 1.4;
}

.skill-raw-view,
.skill-rendered-view {
  max-height: none;
}

.skill-rendered-view {
  padding: 1rem;
}

.skill-dialog-description {
  max-height: min(520px, calc(100vh - 13rem));
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.4;
}

@keyframes skill-dialog-in {
  from {
    opacity: 0;
    transform: translateY(0.45rem) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* --- Motion Primitives-inspired Text Effects --- */
.text-effect-root {
  visibility: visible;
}

.text-effect-char {
  white-space: nowrap;
}

.text-effect-unit {
  display: inline-block;
  white-space: pre;
  opacity: 0;
  transform: translateY(0.22em);
  animation-duration: 260ms;
  animation-fill-mode: both;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  animation-delay: calc(var(--effect-delay, 0ms) + (var(--effect-index, 0) * var(--effect-stagger, 12ms)));
  will-change: transform, opacity;
}

.text-effect-unit.is-revealed {
  opacity: 1;
  transform: none;
  animation: none;
  will-change: auto;
}

.text-effect-word {
  white-space: normal;
}

.text-effect-char .text-effect-unit {
  --effect-stagger: 8ms;
  animation-name: text-reveal-char;
}

.text-effect-word-mode .text-effect-unit {
  --effect-stagger: 20ms;
  animation-name: text-reveal-word;
}

.text-effect-preset .text-effect-unit {
  --effect-stagger: 16ms;
  animation-name: text-reveal-preset;
}

.text-effect-custom .text-effect-unit {
  --effect-stagger: 15ms;
  animation-name: text-reveal-custom;
}

.text-effect-body .text-effect-unit {
  --effect-stagger: 9ms;
  animation-name: text-reveal-body;
}

.component-reveal {
  opacity: 0;
  transform: translateY(0.28rem);
  animation: component-reveal 260ms cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--component-delay, 0ms);
  will-change: transform, opacity;
}

.component-reveal.is-revealed {
  opacity: 1;
  transform: none;
  animation: none;
  will-change: auto;
}

@keyframes component-reveal {
  from {
    opacity: 0;
    transform: translateY(0.28rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes text-reveal-char {
  from {
    opacity: 0;
    transform: translateY(0.24em);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes text-reveal-word {
  from {
    opacity: 0;
    transform: translateY(0.28em);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes text-reveal-preset {
  from {
    opacity: 0;
    transform: translateY(0.3em) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes text-reveal-custom {
  from {
    opacity: 0;
    transform: translateY(0.22em);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes text-reveal-body {
  from {
    opacity: 0;
    transform: translateX(-0.16em);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes text-panel-enter {
  from {
    opacity: 0;
    transform: translateY(0.45rem) scale(0.992);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes text-panel-exit {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
  to {
    opacity: 0;
    transform: translateY(-0.35rem) scale(0.994);
    filter: blur(4px);
  }
}

/* --- Footer & Links Section (nikota.dev inspired) --- */
.stack-footer {
  padding: 3rem 4rem 4rem 4rem;
  background-color: var(--color-bg-deep);
  border-top: none;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  font-family: var(--font-helvetica-neue);
  font-weight: 400; /* font-normal (400) inherited */
  font-size: 0.85rem;
  color: var(--color-secondary); /* gray tone (#8b8b8b) */
  text-decoration: none;
  text-transform: lowercase;
  transition: color 0.1s ease-out; /* changes to primary on hover (duration-100) */
}

.footer-link:hover {
  color: var(--color-primary);
}

/* --- 15. RESPONSIVE MEDIA QUERIES (MOBILE RE-ORDERING) --- */
@media (max-width: 768px) {
  html, body {
    overflow: auto; /* enable page-level scrolling on mobile */
  }

  .page-container {
    flex-direction: column; /* vertical flow */
    height: auto;
  }

  /* 
   * MOBILE REQUIREMENT: Current Stack appears BEFORE the changelog.
   * Flexbox order property resolves this beautifully.
   */
  .stack-column {
    order: 1; /* stack on top */
    width: 100%;
    height: auto;
    overflow: visible;
  }

  .changelog-column {
    order: 2; /* changelog below stack */
    width: 100%;
    max-width: 100%;
    height: auto;
    overflow: visible;
    border-right: none;
    border-top: none;
    direction: ltr; /* remove scrollbar trick on mobile */
  }
  
  .changelog-content-container {
    padding: 3rem 2rem 4.5rem;
  }

  /* Padding adjustments for mobile layout comfort */
  .stack-branding {
    padding: 3rem 1.5rem 1.5rem 1.5rem;
  }

  .stack-scroll-region {
    padding: 1.5rem 2rem 4.5rem;
    overflow: visible;
    height: auto;
  }

  .stack-footer {
    padding: 1.5rem;
  }

  .role-grid {
    flex-direction: column;
    gap: 2rem;
  }

  .two-column-list {
    grid-template-columns: 1fr;
  }

  .editor-pane {
    max-height: 320px;
  }

  .morph-dialog-panel {
    width: calc(100vw - 1.5rem);
    height: calc(100vh - 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .component-reveal,
  .text-effect-unit,
  .view-panel.is-entering,
  .view-panel.is-exiting {
    opacity: 1;
    transform: none;
    clip-path: none;
    filter: none;
    animation: none;
  }

  .morph-dialog-backdrop {
    transition: none;
  }
}