/* =========================================================================
   panpal.css — Pan Pal, the buddy you drag around and chat with (MOCKUP)
   Depends on: tokens.css, base.css, components.css (.btn)
   Paired with assets/js/panpal.js, which builds every element below.
   ========================================================================= */

/* ----------------------------------------------------------------- him -- */
.pp-buddy {
  position: fixed;
  left: 0;
  top: 0;
  z-index: calc(var(--z-overlay) - 10);
  width: 92px;
  height: 99px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  border-radius: var(--r-lg);
}

.pp-buddy svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  overflow: visible;
}

.pp-buddy.dragging {
  cursor: grabbing;
}

@media (max-width: 600px) {
  .pp-buddy {
    width: 74px;
    height: 80px;
  }
}

/* The one copy of his face the chat's avatars point at. Not display: none, which would stop its gradients painting. */
.pp-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ------------------------------------------- a remark while he's shut -- */
.pp-say {
  position: fixed;
  left: 0;
  top: 0;
  z-index: calc(var(--z-overlay) - 5);
  max-width: 250px;
  padding: 12px 16px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  line-height: var(--leading-snug);
  text-align: left;
  cursor: pointer;
  transform-origin: 100% var(--tail, 50%);
  animation: pp-pop var(--dur-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
  transition: border-color var(--dur-fast) var(--ease);
}

.pp-say[data-side='left'] { transform-origin: 0 var(--tail, 50%); }
.pp-say[data-side='top'] { transform-origin: var(--tail, 50%) 0; }
.pp-say[data-side='bottom'] { transform-origin: var(--tail, 50%) 100%; }

/* Its tail, pointing at his face. Painted over the bubble's own border (z-index -1 inside the bubble's stacking
   context), so the two read as one shape; only the tail's two outer edges keep a border. */
.pp-say::after {
  content: '';
  position: absolute;
  z-index: -1;
  width: 12px;
  height: 12px;
  background: var(--surface);
  border: 1px solid var(--border-mid);
  transform: rotate(45deg);
  transition: border-color var(--dur-fast) var(--ease);
}

.pp-say[data-side='right']::after { right: -7px; top: calc(var(--tail) - 6px); border-left-color: transparent; border-bottom-color: transparent; }
.pp-say[data-side='left']::after { left: -7px; top: calc(var(--tail) - 6px); border-top-color: transparent; border-right-color: transparent; }
.pp-say[data-side='top']::after { top: -7px; left: calc(var(--tail) - 6px); border-right-color: transparent; border-bottom-color: transparent; }
.pp-say[data-side='bottom']::after { bottom: -7px; left: calc(var(--tail) - 6px); border-top-color: transparent; border-left-color: transparent; }

.pp-say[hidden] {
  display: none;
}

.pp-say:hover,
.pp-say:hover::after {
  border-color: var(--primary-soft);
}

.pp-say[data-side='right']:hover::after { border-left-color: transparent; border-bottom-color: transparent; }
.pp-say[data-side='left']:hover::after { border-top-color: transparent; border-right-color: transparent; }
.pp-say[data-side='top']:hover::after { border-right-color: transparent; border-bottom-color: transparent; }
.pp-say[data-side='bottom']:hover::after { border-top-color: transparent; border-left-color: transparent; }

/* ------------------------------------------------------- his bubble -- */
.pp-bubble {
  position: fixed;
  left: 0;
  top: 0;
  z-index: calc(var(--z-overlay) - 5);
  width: min(360px, calc(100vw - 16px));
  height: min(540px, calc(100vh - 16px));
  transform-origin: 0 var(--tail, 50%);
  /* Opening grows out of him and fades in; closing goes back the same way, a little quicker. */
  transition: opacity 0.16s ease-in, transform 0.16s ease-in;
}

.pp-bubble:not(.closed) {
  transition: opacity 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.pp-bubble.stack {
  width: min(420px, calc(100vw - 16px));
}

.pp-bubble[data-side='right'] { transform-origin: 100% var(--tail, 50%); }
.pp-bubble[data-side='top'] { transform-origin: var(--tail, 50%) 0; }
.pp-bubble[data-side='bottom'] { transform-origin: var(--tail, 50%) 100%; }

.pp-bubble.closed {
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
}

.pp-bubble.gone {
  visibility: hidden;
}

/* The tail sits behind the card, so only its point shows. */
.pp-tail {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--surface);
  border: 1px solid var(--border-mid);
  box-shadow: var(--shadow-md);
  transform: rotate(45deg);
}

.pp-bubble[data-side='left'] .pp-tail { left: -7px; top: calc(var(--tail) - 8px); }
.pp-bubble[data-side='right'] .pp-tail { right: -7px; top: calc(var(--tail) - 8px); }
.pp-bubble[data-side='top'] .pp-tail { top: -7px; left: calc(var(--tail) - 8px); }
.pp-bubble[data-side='bottom'] .pp-tail { bottom: -7px; left: calc(var(--tail) - 8px); }

.pp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-xl), var(--shadow-md);
}

.pp-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 12px 12px 16px;
  border-bottom: 1px solid var(--border-light);
}

.pp-avatar {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 3px var(--primary-soft);
}

.pp-avatar svg,
.pp-mini {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
}

.pp-who {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  line-height: var(--leading-snug);
}

.pp-who strong {
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: 600;
}

.pp-who span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.pp-who span::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
}

.pp-close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: none;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.pp-close:hover {
  background: var(--cloud);
  color: var(--text-primary);
}

.pp-close svg {
  width: 16px;
  height: 16px;
}

/* Back, for the chat as its own screen on a phone. */
.pp-back {
  display: none;
}

/* ----------------------------------------------------------- the chat -- */
.pp-log {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  padding: 16px 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.pp-intro {
  margin: 0 0 4px;
  color: var(--text-faint);
  font-size: var(--text-xs);
  text-align: center;
}

/* Pan Pal's lines are plain text beside his face; the visitor's are flat bubbles on the right, one fill from the
   site's own blues with no gradient or shadow (Daniel's phone chat rule, kept on every screen). */
.pp-msg {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 85%;
}

.pp-msg.bot { align-self: flex-start; }
.pp-msg.me { align-self: flex-end; }

.pp-msg .pp-mini {
  width: 26px;
  height: 26px;
  flex: none;
}

.pp-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  min-width: 0;
}

.pp-text {
  font-size: 14px;
  line-height: var(--leading-normal);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.pp-msg.bot .pp-text {
  padding-top: 2px;
  color: var(--text-body);
}

.pp-msg.me .pp-text {
  padding: 9px 13px;
  border-radius: 16px;
  border-bottom-right-radius: 6px;
  background: var(--primary-bg);
  color: var(--text-primary);
}

.pp-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pp-link {
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--primary-bg);
  color: var(--primary);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--leading-snug);
  transition: background var(--dur-fast) var(--ease);
}

.pp-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 34px;
}

.pp-chip {
  padding: 7px 12px;
  border: 1px solid var(--primary-soft);
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--primary);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-snug);
  text-align: left;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.pp-chip:hover {
  border-color: var(--blue-300);
  background: var(--primary-bg);
}

/* Thinking is a line of dots and the word, not a bubble. */
.pp-thinking {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 34px;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.pp-dots {
  display: inline-flex;
  gap: 4px;
}

.pp-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--silver);
  animation: pp-dot 1s var(--ease) infinite;
}

.pp-dots i:nth-child(2) { animation-delay: 0.15s; }
.pp-dots i:nth-child(3) { animation-delay: 0.3s; }

/* A new line fades in where its room already is. */
.pp-msg.fresh,
.pp-chips.fresh {
  animation: pp-fade 0.22s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* ------------------------------------------------------- the message box -- */
.pp-compose {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px 6px;
  border-top: 1px solid var(--border-light);
}

.pp-compose textarea {
  flex: 1;
  min-width: 0;
  max-height: 150px;
  padding: 10px 12px;
  resize: none;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-input);
  background: var(--surface);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.4;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.pp-compose textarea::placeholder {
  color: var(--text-faint);
}

.pp-compose textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

/* 16px stops iOS zooming the page in when the box takes the cursor. */
@media (pointer: coarse) {
  .pp-compose textarea { font-size: 16px; }
}

.pp-send {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--btn-primary-grad);
  box-shadow: var(--btn-primary-glow);
  color: var(--text-invert);
  transition: background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.pp-send:hover {
  background: var(--btn-primary-grad-hover);
  box-shadow: var(--btn-primary-glow-hover);
}

.pp-send svg {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------- the chat as its own screen -- */
/* On a phone (600px wide or less) the chat takes the whole screen over the page, laid out like the Claude app in
   LeadStart's own colours (Daniel's phone chat rule): a top bar with Back, his face, his name and one line of status;
   only the conversation scrolls; the message box is pinned at the foot and rides the keyboard. panpal.js sets --kb
   (how much of the screen the keyboard covers) and its timing, and grows the screen out of Pan Pal. Held sideways, the
   conversation and the box keep to a readable centred column. */
.pp-bubble.full {
  top: var(--vv-top, 0px) !important;
  left: 0 !important;
  z-index: calc(var(--z-modal) + 10);
  width: 100%;
  height: var(--screen-h, 100vh) !important;
  transform-origin: 0 0;
  transition: none;
}

.pp-bubble.full.closed {
  transform: none;
}

.pp-bubble.full .pp-tail,
.pp-bubble.full .pp-close {
  display: none;
}

.pp-bubble.full .pp-card {
  padding-bottom: var(--kb, 0px);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

/* The top bar and the box are opaque and above the conversation, whose lines slide under them as the keyboard comes
   and goes. */
.pp-bubble.full .pp-head {
  position: relative;
  z-index: 1;
  background: var(--surface);
  gap: 10px;
  padding: calc(env(safe-area-inset-top) + 8px) max(12px, calc((100% - 720px) / 2)) 10px;
}

.pp-bubble.full .pp-avatar {
  width: 34px;
  height: 34px;
}

.pp-bubble.full .pp-back {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--cloud);
  color: var(--text-primary);
}

.pp-back svg {
  width: 20px;
  height: 20px;
}

.pp-bubble.full .pp-log {
  padding: 16px max(16px, calc((100% - 720px) / 2));
}

/* The text sits on top, one line tall and growing to about six lines; send sits under it on the right. The home
   bar's room under the box goes as the keyboard comes up. */
.pp-bubble.full .pp-compose {
  position: relative;
  z-index: 1;
  background: var(--surface);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 8px max(12px, calc((100% - 720px) / 2)) max(8px, calc(env(safe-area-inset-bottom) + 8px - var(--kb, 0px)));
}

.pp-bubble.full .pp-compose textarea {
  grid-column: 1 / -1;
  font-size: 16px;
}

.pp-bubble.full .pp-send {
  grid-column: 2;
  width: 36px;
  height: 36px;
}

/* The page behind the chat screen stays still. */
html.pp-locked,
html.pp-locked body {
  overflow: hidden;
  overscroll-behavior: none;
}

/* -------------------------------------------------- focus after a press -- */
/* Shift or Caps Lock alone never lights up what was pressed; Tab still shows where you are. */
:root[data-focus='press'] .pp-buddy:focus-visible,
:root[data-focus='press'] .pp-say:focus-visible,
:root[data-focus='press'] .pp-bubble :focus-visible:not(textarea) {
  outline: none;
}

/* ---------------------------------------------------------------- motion -- */
@keyframes pp-pop {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: none; }
}

@keyframes pp-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pp-dot {
  0%, 60%, 100% { opacity: 0.35; transform: none; }
  30% { opacity: 1; transform: translateY(-3px); }
}

@media (prefers-reduced-motion: reduce) {
  .pp-bubble,
  .pp-say,
  .pp-dots i,
  .fresh {
    animation: none;
    transition: none;
  }
}