/*
  ask-timber.css — v2 (conversational surface)
  Editorial-first. Honors prefers-reduced-motion.
*/

:root {
  --ask-timber-ink: #1a1714;
  --ask-timber-paper: #f6f1e8;
  --ask-timber-paper-soft: #efe7d8;
  --ask-timber-rule: rgba(26, 23, 20, 0.12);
  --ask-timber-mute: rgba(26, 23, 20, 0.62);
  --ask-timber-ember: #c66a2c;
  --ask-timber-ember-soft: rgba(198, 106, 44, 0.55);
  --ask-timber-fallback: #2a2622;
  --ask-timber-user-bg: #1f1b17;
  --ask-timber-radius: 16px;
  --ask-timber-shadow: 0 18px 50px -22px rgba(26, 23, 20, 0.42), 0 2px 8px -4px rgba(26, 23, 20, 0.22);
  --ask-timber-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.ask-timber {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 60;
  font-family: inherit;
  color: var(--ask-timber-ink);
  pointer-events: none;
}

.ask-timber > * { pointer-events: auto; }

/* ---------- Trigger ---------- */

.ask-timber__trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--ask-timber-paper);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 360ms var(--ask-timber-ease), box-shadow 360ms var(--ask-timber-ease);
  box-shadow:
    0 1px 2px rgba(26, 23, 20, 0.20),
    0 10px 28px -14px rgba(26, 23, 20, 0.40),
    0 0 0 1px rgba(26, 23, 20, 0.06);
}

.ask-timber__trigger:hover,
.ask-timber__trigger:focus-visible {
  transform: translateY(-1px);
  box-shadow:
    0 2px 4px rgba(26, 23, 20, 0.22),
    0 16px 36px -16px rgba(26, 23, 20, 0.45),
    0 0 0 1px rgba(198, 106, 44, 0.30);
  outline: none;
}

.ask-timber__portrait {
  position: relative;
  width: 62px;
  height: 62px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--ask-timber-fallback);
  box-shadow: inset 0 0 0 1px var(--ask-timber-rule);
}

.ask-timber__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 38%;
  display: block;
}

.ask-timber__portrait.is-fallback::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.06), transparent 60%),
    var(--ask-timber-fallback);
}

.ask-timber__ember {
  position: absolute;
  left: 50%;
  bottom: -3px;
  transform: translateX(-50%);
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--ask-timber-ember);
  box-shadow: 0 0 10px 1px var(--ask-timber-ember-soft);
  opacity: 0.85;
  animation: ask-timber-ember 4400ms var(--ask-timber-ease) infinite;
}

@keyframes ask-timber-ember {
  0%, 100% { opacity: 0.55; transform: translateX(-50%) scale(0.92); }
  50%      { opacity: 0.95; transform: translateX(-50%) scale(1.08); }
}

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

/* ---------- Panel ---------- */

.ask-timber__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 16px);
  display: flex;
  flex-direction: column;
  width: min(380px, calc(100vw - 32px));
  height: min(560px, calc(100vh - 140px));
  background: var(--ask-timber-paper);
  color: var(--ask-timber-ink);
  border: 1px solid var(--ask-timber-rule);
  border-radius: var(--ask-timber-radius);
  box-shadow: var(--ask-timber-shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 320ms var(--ask-timber-ease), transform 320ms var(--ask-timber-ease);
}

.ask-timber__panel[hidden] { display: none !important; pointer-events: none !important; }
.ask-timber__panel:not([hidden]) { display: flex; }

.ask-timber.is-open .ask-timber__panel {
  opacity: 1;
  transform: translateY(0);
}

.ask-timber__panel-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 8px;
  padding: 18px 18px 12px;
  border-bottom: 1px solid var(--ask-timber-rule);
  background: var(--ask-timber-paper);
}

.ask-timber__eyebrow {
  grid-column: 1 / 2;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ask-timber-mute);
}

.ask-timber__heading {
  grid-column: 1 / 2;
  margin: 2px 0 0;
  font-size: 18px;
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.ask-timber__close {
  grid-column: 2 / 3;
  grid-row: 1 / span 2;
  align-self: start;
  width: 30px;
  height: 30px;
  border: 0;
  background: transparent;
  color: var(--ask-timber-mute);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  border-radius: 999px;
  transition: background-color 200ms var(--ask-timber-ease), color 200ms var(--ask-timber-ease);
}

.ask-timber__close:hover,
.ask-timber__close:focus-visible {
  background: var(--ask-timber-paper-soft);
  color: var(--ask-timber-ink);
  outline: none;
}

/* ---------- Message log ---------- */

.ask-timber__log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 16px 18px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.ask-timber__msg {
  max-width: 86%;
  font-size: 14.5px;
  line-height: 1.55;
  border-radius: 12px;
  padding: 9px 12px;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.ask-timber__msg p { margin: 0 0 6px; }
.ask-timber__msg p:last-child { margin-bottom: 0; }

.ask-timber__msg--timber {
  align-self: flex-start;
  background: var(--ask-timber-paper-soft);
  color: var(--ask-timber-ink);
  border: 1px solid var(--ask-timber-rule);
}

.ask-timber__msg--user {
  align-self: flex-end;
  background: var(--ask-timber-user-bg);
  color: var(--ask-timber-paper);
  border: 1px solid var(--ask-timber-user-bg);
}

.ask-timber__msg--system {
  align-self: center;
  background: transparent;
  color: var(--ask-timber-mute);
  font-size: 12.5px;
  font-style: italic;
  border: 0;
  padding: 4px 8px;
  max-width: 100%;
}

.ask-timber__msg a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

/* ---------- Typing indicator ---------- */

.ask-timber__typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 18px 8px;
  align-self: flex-start;
  margin-left: 18px;
  width: max-content;
}

.ask-timber__typing[hidden] { display: none; }

.ask-timber__typing span {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--ask-timber-mute);
  opacity: 0.4;
  animation: ask-timber-typing 1200ms infinite ease-in-out;
}

.ask-timber__typing span:nth-child(2) { animation-delay: 160ms; }
.ask-timber__typing span:nth-child(3) { animation-delay: 320ms; }

@keyframes ask-timber-typing {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40%           { transform: translateY(-3px); opacity: 0.9; }
}

/* ---------- Composer ---------- */

.ask-timber__form {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 8px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--ask-timber-rule);
  background: var(--ask-timber-paper);
  margin: 0;
}

.ask-timber__form textarea {
  display: block;
  width: 100%;
  min-height: 38px;
  max-height: 140px;
  padding: 8px 12px;
  font: inherit;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ask-timber-ink);
  background: var(--ask-timber-paper-soft);
  border: 1px solid var(--ask-timber-rule);
  border-radius: 10px;
  resize: none;
  transition: border-color 200ms var(--ask-timber-ease), background-color 200ms var(--ask-timber-ease);
}

.ask-timber__form textarea::placeholder { color: var(--ask-timber-mute); }

.ask-timber__form textarea:focus-visible {
  outline: none;
  border-color: var(--ask-timber-ember-soft);
  background: var(--ask-timber-paper);
}

.ask-timber__honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important; height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.ask-timber__send {
  appearance: none;
  width: 38px; height: 38px;
  border: 1px solid var(--ask-timber-ink);
  background: var(--ask-timber-ink);
  color: var(--ask-timber-paper);
  font-size: 15px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 200ms var(--ask-timber-ease), color 200ms var(--ask-timber-ease), opacity 200ms var(--ask-timber-ease);
}

.ask-timber__send:hover,
.ask-timber__send:focus-visible {
  background: transparent;
  color: var(--ask-timber-ink);
  outline: none;
}

.ask-timber__send[disabled] {
  opacity: 0.45;
  cursor: default;
}

.ask-timber__footnote {
  margin: 0;
  padding: 6px 18px 12px;
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--ask-timber-mute);
  text-align: center;
  border-top: 1px solid var(--ask-timber-rule);
  background: var(--ask-timber-paper);
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .ask-timber__trigger,
  .ask-timber__panel,
  .ask-timber__close,
  .ask-timber__form textarea,
  .ask-timber__send,
  .ask-timber__log { transition: none; scroll-behavior: auto; }
  .ask-timber__ember,
  .ask-timber__typing span { animation: none; opacity: 0.7; }
}

/* ---------- Mobile ---------- */

@media (max-width: 480px) {
  .ask-timber { right: 12px; bottom: 12px; }
  .ask-timber__panel {
    right: -4px;
    width: calc(100vw - 24px);
    height: min(72vh, calc(100vh - 110px));
  }
  .ask-timber__heading { font-size: 17px; }
  .ask-timber__trigger { width: 64px; height: 64px; }
  .ask-timber__portrait { width: 54px; height: 54px; }
}