:root {
  --bg: #f4f1ea;
  --paper: #fffdf8;
  --ink: #1f1b16;
  --mute: #8a847a;
  --line: #e6dfd2;
  --abi: #0f7a6c;
  --johnny: #9a4e00;
  --seip: #4b3fbf;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
}
* {
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}
html, body { height: 100%; margin: 0; }
body {
  font: 16px/1.4 ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  overflow: hidden;
}
.stage {
  height: 100%;
  display: flex;
  min-height: 0;
}
.listen {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
header {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  padding: 0.85rem 1rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
#play {
  appearance: none;
  border: 0;
  margin: 0;
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font: 600 0.95rem/1 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.02em;
  cursor: pointer;
}
#play[aria-pressed="true"] { background: #5c564e; }
#list {
  flex: 1;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.6rem 0 3rem;
}
.slot {
  width: min(42rem, calc(100% - 1.5rem));
  margin: 0 auto 0.35rem;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: transparent;
}
.slot.active { border-color: var(--ink); background: #fff; }
.slot img {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}
.chat {
  flex: 0 0 22rem;
  min-width: 16rem;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-left: 1px solid var(--line);
}
.chat-head {
  flex: 0 0 auto;
  margin: 0;
  min-height: calc(0.85rem + 4.25rem + 0.85rem);
  display: flex;
  align-items: center;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}
.chat-log {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 1rem 1.1rem 0.5rem;
}
.chat-empty {
  margin: 1.25rem 0.2rem;
  color: var(--mute);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.98rem;
  line-height: 1.45;
}
.msg {
  max-width: 92%;
  margin: 0 0 0.65rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  font-size: 0.92rem;
  line-height: 1.4;
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
  overflow-wrap: anywhere;
}
.msg.me { margin-left: auto; background: #fff; }
.msg.bot { margin-right: auto; background: var(--paper); }
.msg.pending { color: var(--mute); font-style: italic; }
#send:disabled { opacity: 0.55; cursor: default; }
.chat-compose {
  flex: 0 0 auto;
  display: flex;
  gap: 0.45rem;
  padding: 0.7rem 0.9rem calc(0.75rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--paper);
}
#ask {
  flex: 1;
  min-width: 0;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  padding: 0.55rem 0.7rem;
  font: 15px/1.4 ui-sans-serif, system-ui, sans-serif;
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
  -webkit-user-drag: auto;
}
#ask:focus {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}
#send {
  appearance: none;
  border: 0;
  border-radius: 10px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.55rem 0.85rem;
  font: 600 0.85rem/1 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.02em;
  cursor: pointer;
}
audio { display: none; }
body.login {
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
body.login, body.login * {
  -webkit-user-select: text;
  user-select: text;
  -webkit-user-drag: auto;
  -webkit-touch-callout: default;
}
.login-card {
  width: min(22rem, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem 1.4rem 1.35rem;
}
.login-card h1 {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 400;
}
.login-err {
  margin: 0 0 0.85rem;
  color: #8a2a1a;
  font-size: 0.92rem;
}
.login-card label {
  display: block;
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--mute);
}
.login-card input {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  padding: 0.55rem 0.7rem;
  font: 15px/1.4 ui-sans-serif, system-ui, sans-serif;
}
.login-card input:focus {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}
.login-card button {
  appearance: none;
  border: 0;
  width: 100%;
  margin-top: 0.4rem;
  border-radius: 10px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.7rem 0.85rem;
  font: 600 0.95rem/1 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.02em;
  cursor: pointer;
}
@media (max-width: 720px) {
  .stage { flex-direction: column; }
  .chat {
    flex: 0 0 min(38vh, 16.5rem);
    min-width: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .chat-head {
    min-height: 0;
    padding: 0.7rem 1.1rem 0.6rem;
  }
}
@media print {
  body { display: none !important; }
}