:root {
  --ink: #241f1a;
  --muted: #6f675e;
  --line: #ddd4c6;
  --paper: #f6f1e8;
  --desk: #e7dfd2;
  --ore: #b6502a;
  --clay: #8d4332;
  --shadow: 0 24px 60px rgba(48, 34, 16, 0.1);
  --sans: "Source Sans 3", "Avenir Next", sans-serif;
  --serif: "Fraunces", Georgia, serif;
  color: var(--ink);
  background: var(--desk);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.45;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; }
button, input, textarea { font: inherit; color: inherit; }
button, a { cursor: pointer; }
a { color: var(--ore); }

.mark {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

h1, h2 { font-weight: 560; letter-spacing: -0.03em; }
h1 { font-size: 3rem; line-height: 1.05; margin: 0.2rem 0 0.8rem; }
h2 { font-size: 1.7rem; margin: 0.2rem 0 1rem; }

#home, #missing {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.home-card { max-width: 36rem; }
.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 1.6rem; }
.home-card input, .invite input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0.7rem;
  padding: 0.7rem 0.8rem;
  margin: 0 0 0.8rem;
}
.invite input { width: 14rem; margin: 0; }
.home-actions { display: flex; gap: 0.6rem; align-items: center; }
#new-room { display: flex; gap: 0.6rem; align-items: center; flex: 1; }
#new-room input { width: auto; flex: 1; margin: 0; }
.room-title { display: block; }
.room-title input {
  width: auto;
  min-width: 8rem;
  max-width: min(24rem, 70vw);
  field-sizing: content;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 560;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.room-title input:focus { outline: none; box-shadow: inset 0 -2px 0 var(--line); }
.room-list { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.room-list a { display: block; padding: 0.7rem 0; border-top: 1px solid var(--line); text-decoration: none; }
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
#local-sign-in { display: block; margin-top: 0.75rem; }
#start, #claim, #sign-in button, #local-sign-in, #name-form button, #composer button, #room-key button, #setup, .stage-bar button, .talk-tabs button, #invite button, #export, .ghost {
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  background: var(--ore);
  color: #fff7f3;
  text-decoration: none;
}
.stage-bar button, .talk-tabs button, #setup, #invite button, #export, .ghost, #room-key .ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.stage-bar button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

#app {
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}
header {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.6rem;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--line);
}
.brand { flex: 1; min-width: 0; }
.people, .spend { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.95rem; }
.people { white-space: nowrap; }
.search { width: 11rem; margin-left: auto; flex: none; }
#setup { margin-left: 0.4rem; }
.setup-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0.7rem;
  z-index: 6;
  width: min(22rem, calc(100vw - 1.2rem));
  display: grid;
  gap: 0.7rem;
  padding: 0.85rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
}
.setup-menu .spend { margin: 0; }
.setup-menu .invite { display: grid; }
.setup-menu .invite input,
.setup-menu .room-key input { width: 100%; }
.setup-menu .room-key {
  display: grid;
  justify-items: start;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  border: 0;
}
.setup-menu #rooms,
.setup-menu #leave { justify-self: start; }
.people .dot {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.28rem;
  border-radius: 50%;
  background: var(--ore);
  transform: translateY(-1px);
}
.search { display: block; }
.search input, #name-input, #draft {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0.7rem;
  padding: 0.55rem 0.7rem;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
}
.invite { display: flex; align-items: center; gap: 0.45rem; }
.invite input { width: 9.5rem; }
.mini {
  border: 0;
  background: transparent;
  color: var(--clay);
  padding: 0 0.2rem;
  font-size: 0.85rem;
}

.layout {
  --stage: 62%;
  display: grid;
  grid-template-columns: minmax(12rem, var(--stage)) 0.55rem minmax(16rem, 1fr);
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
}
.stage { grid-column: 1; grid-row: 1; }
.split { grid-column: 2; grid-row: 1; }
.talk {
  grid-column: 3;
  grid-row: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  min-width: 0;
}
.talk-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.55rem 0.7rem 0;
}
.talk-tabs button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.chat, .talk .log { min-height: 0; }
.talk .log { display: none; border-top: 0; }
.talk.show-log .chat { display: none; }
.talk.show-log .log {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}
.log-title { font-size: 1.15rem; padding-top: 0.7rem; }
.card p { font-size: 1.02rem; line-height: 1.45; }
.log-title {
  margin: 0;
  padding: 0.55rem 1rem 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 560;
  letter-spacing: -0.03em;
}
#logs {
  padding: 0.35rem 1rem 0.4rem;
  overflow: auto;
}
.chat {
  display: flex;
  flex-direction: column;
  background: rgba(246, 241, 232, 0.45);
}
.room-key {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex: 1 0 100%;
  margin: 0.15rem 0 0;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}
.room-key p { margin: 0; }
.room-key input { height: 2.2rem; width: 12rem; }
.split {
  cursor: col-resize;
  touch-action: none;
  position: relative;
}
.split::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--line);
}
.split:hover::before,
.split:focus-visible::before,
.split.dragging::before {
  width: 3px;
  margin-left: -1px;
  background: var(--ore);
}
.stage { min-width: 0; min-height: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; }
.stage-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.7rem 0.55rem;
}
#point-hint { margin: 0 0 0 0.4rem; color: var(--muted); font-size: 0.92rem; }
.frame {
  position: relative;
  margin: 0.7rem 0.7rem 0;
  border-radius: 1.1rem;
  overflow: hidden;
  background: var(--paper);
  box-shadow: var(--shadow);
  border: 1px solid rgba(36, 31, 26, 0.06);
}
.proto-zoom { position: absolute; inset: 0; overflow: hidden; }
#prototype {
  position: absolute;
  top: 0;
  left: 0;
  border: 0;
  transform-origin: 0 0;
}
.stage-bar { flex-wrap: wrap; }
.zoom-bar {
  display: flex;
  gap: 0.3rem;
  margin-right: auto;
}
.zoom-bar button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  min-width: 2.4rem;
  height: 2.2rem;
  padding: 0 0.7rem;
}
.zoom-bar button:disabled { opacity: 0.4; }
.stage:has(#empty:not([hidden])) .zoom-bar,
.stage:has(#code:not([hidden])) .zoom-bar { display: none; }
#empty, #code { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 2; }
#empty {
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  pointer-events: none;
}
#empty p { margin: 0.15rem 0; }
#code {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow: auto;
  background: #221e1a;
  color: #f3ecdf;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.group { margin: 0; min-width: 0; }
.group h3 {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.card {
  padding: 0.65rem 0 0.75rem;
  border-top: 1px solid var(--line);
}
.card p { margin: 0; }
.card .quiet, .quiet { color: var(--muted); }
.card .who { margin-top: 0.25rem; font-size: 0.88rem; }
.card button, .undo {
  margin-top: 0.45rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--clay);
}
.reverted { opacity: 0.62; }
.empty-note { color: var(--muted); margin: 0; }

#transcript { flex: 1; overflow: auto; padding: 0.7rem 1rem 0.4rem; }
.message { margin: 0 0 1rem; }
.message .who { margin: 0; font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.message .body { margin: 0.15rem 0 0; font-size: 1.05rem; line-height: 1.5; white-space: pre-wrap; }
.message.agent .body { font-family: var(--serif); font-size: 1.2rem; line-height: 1.4; }
.message.system .body { color: var(--muted); font-style: italic; }
.point-line { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.9rem; }
details { margin-top: 0.3rem; color: var(--muted); font-size: 0.88rem; }
details summary { cursor: pointer; }

#exchange {
  margin: 0 0.8rem;
  padding: 0.45rem 0.7rem;
  border-radius: 0.7rem;
  background: #efe7d8;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}
#exchange p { margin: 0; }
#exchange button { border: 0; background: transparent; color: var(--clay); padding: 0.2rem 0.4rem; }

#composer { padding: 0.7rem 0.8rem 0.9rem; }
#chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-size: 0.92rem;
}
#chip button { border: 0; background: transparent; color: var(--clay); padding: 0; }
.composer-row { display: flex; align-items: center; gap: 0.7rem; margin-top: 0.45rem; }
.error { flex: 1; margin: 0; min-height: 1.2rem; color: var(--clay); font-size: 0.92rem; }
#draft { resize: vertical; min-height: 4.5rem; }

#name-dialog {
  border: 0;
  border-radius: 1rem;
  padding: 1.4rem 1.4rem 1.2rem;
  background: var(--paper);
  box-shadow: var(--shadow);
  max-width: 24rem;
}
#name-dialog::backdrop { background: rgba(36, 31, 26, 0.35); }
#name-input { margin-bottom: 0.9rem; }

@media (max-width: 800px) {
  #app {
    height: 100dvh;
    grid-template-rows: auto minmax(0, 1fr);
  }
  .search { display: none; }
  .layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
  }
  .split { display: none; }
  .stage {
    flex: 1 1 auto;
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
  }
  .frame { height: auto; min-height: 0; }
  .stage-bar { flex-wrap: nowrap; padding: 0.35rem 0.45rem; }
  .stage-bar button, .zoom-bar button, #export { padding: 0.4rem 0.65rem; }
  .talk {
    flex: 0 0 42%;
    height: 42%;
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
  }
  .talk-tabs {
    grid-row: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
    padding: 0.45rem 0.6rem;
    background: var(--paper);
    border-top: 1px solid var(--line);
  }
  .talk .chat,
  .talk .log {
    grid-row: 1;
    min-height: 0;
    border-top: 1px solid var(--line);
    background: var(--paper);
  }
  .talk:not(.show-log) .chat { display: flex; }
  .talk.show-log .log { display: grid; }
  #transcript { min-height: 0; }
  #draft { min-height: 2.6rem; }
  #composer { padding: 0.45rem 0.7rem 0.5rem; }
}