/* Stacking only. Visuals stay with homepage home-assistant.css / style.css. */

#Welcome .graffiti {
  position: absolute;
  top: auto;
  right: 0;
  bottom: 0;
  left: auto;
  display: block;
  z-index: -1;
  width: 80px;
  height: 60px;
  min-width: 0;
}

@media (max-width: 768px) {
  #Welcome .graffiti {
    display: none;
  }

  /* Hidden on mobile, still the page's h1 for screen readers. */
  .mainHome #Welcome {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px !important;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .mainHome .Introduction {
    padding-bottom: 0;
  }

  .homeStage h1 {
    margin: 0 0 var(--space-4) !important;
  }
}

[data-intro-chat].introChat {
  position: relative;
  width: 100%;
  --intro-titlebar-h: 20px;
  --intro-window-pad-x: 24px;
  --intro-window-pad-y: 48px;
}

/* Mac-style window chrome (desktop). Mobile drops the slab below. */
[data-intro-chat] .homeAssistant__inner {
  position: relative;
  padding: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--border, #c8c8d0) 70%, #9a9aa4);
  background: #F4F6FA;
  box-shadow: none;
}

[data-intro-chat] .introChat__titlebar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  height: var(--intro-titlebar-h);
  padding: 0 10px;
  border-bottom: 1px solid color-mix(in srgb, #bdbdbd 55%, transparent);
  background: #ededed;
}

[data-intro-chat] .introChat__traffic {
  position: absolute;
  left: 10px;
  top: 50%;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transform: translateY(-50%);
}

/* The dots are the window's controls (home-assistant.js): close, minimise,
   expand. Each is a 9px dot with a taller hit area; the glyphs show while the
   pointer or the keyboard is on the group, as on a Mac. */
[data-intro-chat] .introChat__dot {
  position: relative;
  display: block;
  width: 9px;
  height: 9px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0.5px rgba(0, 0, 0, 0.18) inset;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 9px 9px;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

[data-intro-chat] .introChat__dot::before {
  content: "";
  position: absolute;
  inset: -6px -2px;
}

[data-intro-chat] .introChat__dot:focus-visible {
  outline: 2px solid #5670ff;
  outline-offset: 2px;
}

[data-intro-chat] .introChat__dot--close { background-color: #ff5f57; }
[data-intro-chat] .introChat__dot--min { background-color: #febc2e; }
[data-intro-chat] .introChat__dot--max { background-color: #28c840; }

[data-intro-chat] .introChat__traffic:hover .introChat__dot--close,
[data-intro-chat] .introChat__traffic:focus-within .introChat__dot--close {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 9'%3E%3Cpath d='M2.8 2.8l3.4 3.4M6.2 2.8L2.8 6.2' stroke='%23000' stroke-opacity='.6' stroke-linecap='round' fill='none'/%3E%3C/svg%3E");
}

[data-intro-chat] .introChat__traffic:hover .introChat__dot--min,
[data-intro-chat] .introChat__traffic:focus-within .introChat__dot--min {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 9'%3E%3Cpath d='M2.2 4.5h4.6' stroke='%23000' stroke-opacity='.6' stroke-linecap='round' fill='none'/%3E%3C/svg%3E");
}

[data-intro-chat] .introChat__traffic:hover .introChat__dot--max,
[data-intro-chat] .introChat__traffic:focus-within .introChat__dot--max {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 9'%3E%3Cpath d='M2.2 4.5h4.6M4.5 2.2v4.6' stroke='%23000' stroke-opacity='.6' stroke-linecap='round' fill='none'/%3E%3C/svg%3E");
}

[data-intro-chat] .introChat__reopen {
  display: none;
}

[data-intro-chat] .introChat__appTitle {
  font-family: var(--font-meta, 'Departure Mono', ui-monospace, monospace);
  font-size: calc(0.6875rem * var(--ds-font-scale));
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1;
  color: #4a4a4a;
  user-select: none;
}

[data-intro-chat] .introChat__demoBadge {
  display: inline-block;
  margin-left: 0.4em;
  padding: 0.12em 0.45em;
  border-radius: 999px;
  font-size: 0.85em;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: #c62828;
  vertical-align: 0.05em;
}

[data-intro-chat] .introChat__composer {
  box-sizing: border-box;
  padding: 8px var(--intro-window-pad-x) var(--intro-window-pad-y);
}

[data-intro-chat] .introChat__composer .homeAssistant__form {
  margin-bottom: 10px;
}

/* The whole conversation is in the HTML and shows without any script. On load
   the nine opening messages pop in one after another (later answers keep
   home-assistant.css's own entry), the same on every screen size; no
   scroll runway, no sticky window, nothing tied to scrolling. */
[data-intro-chat] .homeAssistant {
  display: flex !important;
  position: relative;
  min-height: 0;
}

[data-intro-chat] .homeAssistant__thread {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: 0;
  padding: var(--intro-window-pad-y) var(--intro-window-pad-x) 12px;
  min-height: 50vh;
  overflow: visible;
}

/* Mobile: bubbles float on the page — no window chrome or title bar. */
@media (max-width: 768px) {
  [data-intro-chat].introChat {
    --intro-window-pad-x: 16px;
    --intro-window-pad-y: 12px;
  }

  [data-intro-chat] .homeAssistant__inner {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  [data-intro-chat] .introChat__titlebar {
    display: none;
  }

  [data-intro-chat] .homeAssistant__thread {
    padding: 0;
    gap: var(--space-5);
    min-height: 0;
  }

  [data-intro-chat] .introChat__composer {
    padding: 6px var(--intro-window-pad-x) var(--intro-window-pad-y);
  }

  [data-intro-chat] .homeAssistant__form,
  [data-intro-chat] .homeAssistant__disclaimer,
  [data-intro-chat] .homeAssistant__cqMadeBy,
  [data-intro-chat] .homeAssistant__suggestions {
    display: none !important;
  }
}

[data-intro-chat] .homeAssistant__message {
  margin-bottom: 0;
}

[data-intro-chat] img.intro-company-logo {
  display: inline;
  height: 1em;
  width: auto;
  max-width: none;
  min-width: 0;
  margin: 0 0.08em;
  padding: 0;
  border-radius: 0;
  vertical-align: -0.18em;
  object-fit: contain;
}

[data-intro-chat] img.intro-company-logo--wide {
  height: 0.9em;
  vertical-align: -0.08em;
}

[data-intro-chat] [data-chat-step] {
  display: grid;
  grid-template-rows: 1fr;
}

[data-intro-chat] [data-chat-step] > .introChat__stepInner {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  min-width: 0;
  padding: 2px 4px;
}

[data-intro-chat] [data-chat-step].homeAssistant__message--user > .introChat__stepInner {
  justify-content: flex-end;
}

/* Each bubble springs out of its tail corner 75ms after the one before it,
   its avatar a beat earlier; then the composer rises and its topic chips
   follow, 1.45s in all. The step number is set per nth-child and the delay
   sits inside the animation shorthand: scripts/critical-css.mjs copies rules
   out of the CSSOM, and there a var() shorthand followed by its own
   animation-delay comes back as empty longhands. */
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(2) { --intro-step: 1; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(3) { --intro-step: 2; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(4) { --intro-step: 3; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(5) { --intro-step: 4; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(6) { --intro-step: 5; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(7) { --intro-step: 6; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(8) { --intro-step: 7; }
[data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(9) { --intro-step: 8; }

[data-intro-chat] .homeAssistant__suggestions li:nth-child(2) { --intro-chip: 1; }
[data-intro-chat] .homeAssistant__suggestions li:nth-child(3) { --intro-chip: 2; }
[data-intro-chat] .homeAssistant__suggestions li:nth-child(4) { --intro-chip: 3; }
[data-intro-chat] .homeAssistant__suggestions li:nth-child(5) { --intro-chip: 4; }

/* Damped springs sampled into linear() (12% and 4% overshoot). Browsers
   without linear() keep the cubic-bezier. */
[data-intro-chat].introChat {
  --intro-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --intro-spring-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

@supports (animation-timing-function: linear(0, 1)) {
  [data-intro-chat].introChat {
    --intro-spring: linear(0, 0.009 1.2%, 0.056 3.1%, 0.15 5.4%, 0.286 8%, 0.452 10.8%, 0.626 13.8%, 0.791 17%, 0.93 20.4%, 1.033 23.9%, 1.096 27.5%, 1.124 31.3%, 1.123 35.2%, 1.102 39.2%, 1.072 43.4%, 1.042 47.6%, 1.016 51.9%, 0.997 56.3%, 0.987 60.9%, 0.984 65.5%, 0.986 70.2%, 0.99 75%, 0.994 79.8%, 0.998 84.7%, 1 89.8%, 1.002 94.8%, 1);
    --intro-spring-soft: linear(0, 0.004 1.2%, 0.025 3.1%, 0.068 5.4%, 0.133 8%, 0.219 10.8%, 0.318 13.8%, 0.426 17%, 0.535 20.4%, 0.64 23.9%, 0.736 27.5%, 0.819 31.3%, 0.888 35.2%, 0.943 39.2%, 0.983 43.4%, 1.011 47.6%, 1.028 51.9%, 1.036 56.3%, 1.038 60.9%, 1.036 65.5%, 1.031 70.2%, 1.025 75%, 1.019 79.8%, 1.013 84.7%, 1.009 89.8%, 1.005 94.8%, 1);
  }
}

/* The text is never hidden: bubbles move by transform only. Fading from 0
   kept the LCP bubble (a .homeAssistant__bubbleBody) invisible until its step
   fired, so mobile LCP waited ~3–9s on the stagger. Only the avatars and the
   topic chips start at opacity 0; they are small and never the LCP element.
   The message rows themselves stand still, which also keeps
   home-assistant.css's fade-in off these nine. */
@media (prefers-reduced-motion: no-preference) {
  [data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(-n+9) {
    animation-name: none;
  }

  [data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(-n+9) .homeAssistant__bubble {
    transform-origin: 0 100%;
    animation: introChatPop 0.55s var(--intro-spring) calc(60ms + var(--intro-step, 0) * 75ms) both;
  }

  [data-intro-chat] .homeAssistant__thread > .homeAssistant__message--user:nth-child(-n+9) .homeAssistant__bubble {
    transform-origin: 100% 100%;
  }

  [data-intro-chat] .homeAssistant__thread > .homeAssistant__message:nth-child(-n+9) .homeAssistant__avatar {
    animation: introChatAvatar 0.5s var(--intro-spring) calc(10ms + var(--intro-step, 0) * 75ms) both;
  }

  [data-intro-chat] .introChat__composer {
    animation: introChatRise 0.55s var(--intro-spring-soft) 0.66s both;
  }

  [data-intro-chat] .homeAssistant__suggestions li {
    animation: introChatChip 0.45s var(--intro-spring) calc(0.78s + var(--intro-chip, 0) * 55ms) both;
  }
}

@keyframes introChatPop {
  from {
    transform: translate3d(0, 10px, 0) scale(0.88);
  }
}

@keyframes introChatAvatar {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  40% {
    opacity: 1;
  }
}

@keyframes introChatRise {
  from {
    transform: translate3d(0, 14px, 0);
  }
}

@keyframes introChatChip {
  from {
    opacity: 0;
    transform: translate3d(0, 8px, 0) scale(0.9);
  }
  40% {
    opacity: 1;
  }
}

/* Window states, desktop only (the title bar and its dots do not exist on
   mobile). home-assistant.js sets data-window on .introChat and keeps it in
   memory only, so a reload opens the window as it shipped. */
@media (min-width: 769px) {
  /* Minimised: the title bar alone; a click on it brings the window back. */
  [data-intro-chat][data-window="min"] .homeAssistant__inner {
    max-width: 320px;
    margin: 0 auto;
  }

  [data-intro-chat][data-window="min"] .homeAssistant__thread,
  [data-intro-chat][data-window="min"] .introChat__composer {
    display: none;
  }

  [data-intro-chat][data-window="min"] .introChat__titlebar {
    border-bottom: 0;
    cursor: pointer;
  }

  /* Closed: the window is gone and a small launcher takes its place. */
  [data-intro-chat][data-window="closed"] .homeAssistant {
    display: none !important;
  }

  [data-intro-chat][data-window="closed"] .introChat__reopen {
    position: relative;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 auto var(--space-6);
    padding: 4px 14px 4px 4px;
    border: 1px solid color-mix(in srgb, var(--border, #c8c8d0) 70%, #9a9aa4);
    border-radius: 999px;
    background: #F4F6FA;
    font-family: var(--font-meta, 'Departure Mono', ui-monospace, monospace);
    font-size: calc(0.6875rem * var(--ds-font-scale));
    letter-spacing: 0.02em;
    line-height: 1;
    color: #4a4a4a;
    cursor: pointer;
  }

  [data-intro-chat][data-window="closed"] .introChat__reopen:hover {
    background: #fff;
  }

  [data-intro-chat][data-window="closed"] .introChat__reopen:focus-visible {
    outline: 2px solid #5670ff;
    outline-offset: 2px;
  }

  [data-intro-chat] .introChat__reopen img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
  }

  /* With the window out of the way the carousel behind it keeps its band. */
  [data-intro-chat][data-window="min"]:has(.introChat__glass.is-ready),
  [data-intro-chat][data-window="closed"]:has(.introChat__glass.is-ready) {
    min-height: clamp(460px, calc(100vh - 99px), 860px);
  }

  /* Expanded: the window fills the screen over a dimmed page, above the
     canvas rails, and the thread scrolls inside it. */
  html:has([data-intro-chat][data-window="max"]) body {
    overflow: hidden;
  }

  [data-intro-chat][data-window="max"] .homeAssistant {
    z-index: 2147483600;
  }

  [data-intro-chat][data-window="max"] .homeAssistant::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgb(18 20 28 / 55%);
  }

  [data-intro-chat][data-window="max"] .homeAssistant__inner {
    position: fixed;
    inset: clamp(12px, 2vw, 24px);
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 60px rgb(0 0 0 / 30%);
  }

  [data-intro-chat][data-window="max"] .introChat__titlebar {
    flex: none;
  }

  [data-intro-chat][data-window="max"] .homeAssistant__thread {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 32px max(var(--intro-window-pad-x), calc(50% - 400px)) 12px;
  }

  [data-intro-chat][data-window="max"] .homeAssistant__message {
    flex: none;
  }

  [data-intro-chat][data-window="max"] .introChat__composer {
    flex: none;
    padding: 8px max(var(--intro-window-pad-x), calc(50% - 400px)) 20px;
  }

  /* The window morphs between states where view transitions exist. */
  [data-intro-chat].introChat--morphing .homeAssistant__inner {
    view-transition-name: intro-chat-window;
  }

  ::view-transition-group(intro-chat-window) {
    animation-duration: 0.3s;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  }
}