:root {
  --paper: #f3efe6;
  --raised: #faf8f3;
  --ink: #1c1915;
  --soft: #3f3a34;
  --muted: #6f6a62;
  --line: #d9d2c5;
  --forest: #2c4a3d;
  --forest-fg: #f6f3ec;
  --stop: #8a2f2f;
  --stop-fg: #fbf6f4;
  --user: #e7e1d4;
  --check: #3d4a5c;
  --check-fg: #f4f6f8;
}
:root[data-theme="sage"] {
  --paper: #edf1e8;
  --raised: #fbfcf8;
  --ink: #202820;
  --soft: #435044;
  --muted: #6c786d;
  --line: #cbd5c9;
  --forest: #356248;
  --forest-fg: #f6faf4;
  --user: #dfe9dc;
  --check: #496477;
  --check-fg: #f5f8fa;
}
:root[data-theme="cobalt"] {
  --paper: #e9eef5;
  --raised: #f9fbfd;
  --ink: #172536;
  --soft: #3b5067;
  --muted: #697b8e;
  --line: #c8d3df;
  --forest: #1f5b70;
  --forest-fg: #f3fbfd;
  --user: #dce7f1;
  --check: #3e567d;
  --check-fg: #f4f7fc;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  transition: background-color 180ms ease, color 180ms ease;
}
button:not(:disabled), [role="button"]:not(:disabled) { cursor: pointer; }
.app { display: flex; flex-direction: column; height: 100dvh; }
.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.brand { margin: 0; font-size: 1.35rem; }
.tag { margin: 0; font-size: 0.75rem; color: var(--muted); }
.connection-status {
  margin: 0 0 0 auto; font: 0.72rem/1 system-ui, sans-serif;
  white-space: nowrap;
}
.connection-status.pending { color: var(--muted); }
.connection-status.connected { color: var(--forest); }
.connection-status.unavailable { color: var(--stop); }
.stop {
  height: 44px; min-width: 64px; border: 0; border-radius: 999px;
  background: var(--stop); color: var(--stop-fg); font-weight: 600;
}
.stop:disabled { opacity: 0.5; }
.banner {
  margin: 0; padding: 10px 16px; background: var(--user); color: var(--ink);
  font-family: system-ui, sans-serif; font-size: 0.9rem;
}
.hidden { display: none !important; }
.thread { flex: 1; overflow: auto; padding: 20px 16px 12px; }
.empty h1 { font-size: 2rem; font-weight: 500; margin: 8px 0 12px; }
.empty p { color: var(--soft); font-family: system-ui, sans-serif; }
.bubble {
  max-width: 36rem; margin: 0 auto 16px; padding: 14px 16px;
  background: var(--raised); border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(28,25,21,0.06);
  font-family: system-ui, sans-serif; font-size: 0.95rem;
}
.bubble.you { background: var(--user); margin-left: auto; }
.bubble h2 { font-family: Georgia, serif; font-size: 1rem; font-style: italic; font-weight: 500; margin: 0 0 6px; }
.bubble p, .bubble ol { margin: 0 0 10px; white-space: pre-wrap; }
.foot {
  border-top: 1px solid var(--line); padding: 12px 16px 24px;
  display: flex; flex-direction: column; gap: 10px;
}
.top-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap;
}
.modes { display: flex; gap: 6px; background: var(--user); padding: 4px; border-radius: 999px; width: fit-content; }
.mode {
  height: 36px; border: 0; border-radius: 999px; padding: 0 14px;
  background: transparent; color: var(--muted); font-size: 0.9rem;
}
.mode.on.talk { background: var(--forest); color: var(--forest-fg); }
.mode.on.check { background: var(--check); color: var(--check-fg); }
.mode.on.deep { background: var(--ink); color: var(--raised); }
.model-picker {
  display: flex; align-items: center; gap: 8px;
  font: 0.8rem/1 system-ui, sans-serif; color: var(--soft);
}
.model-picker select {
  min-width: 170px; height: 36px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--raised); color: var(--ink);
  padding: 0 12px; font: 0.85rem/1 system-ui, sans-serif;
}
.prompt-tools {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
}
.behavior-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-items: center;
}
.behavior-grid label {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--raised); font: 0.72rem/1 system-ui, sans-serif; color: var(--soft);
}
.behavior-grid input { accent-color: var(--forest); }
.inspect-button {
  height: 36px; border: 1px solid var(--forest); border-radius: 999px;
  padding: 0 14px; background: var(--raised); color: var(--forest);
  font: 0.8rem/1 system-ui, sans-serif;
}
.inspect-button:hover { background: var(--forest); color: var(--forest-fg); }
.context-status {
  margin: -2px 0 0; color: var(--muted); font: 0.72rem/1 system-ui, sans-serif;
}
.context-status.near-limit { color: var(--stop); }
.chips {
  display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px;
  -webkit-overflow-scrolling: touch;
}
.chip {
  height: 44px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px;
  padding: 0 14px; background: var(--raised); color: var(--soft);
  font: 0.9rem/1 system-ui, sans-serif; white-space: nowrap;
}
.chip:hover { color: var(--ink); }
.chip:disabled { opacity: 0.4; }
html.text-big { font-size: 18.5px; }
.composer-row {
  display: flex; align-items: flex-end; gap: 8px;
}
.more-wrap { position: relative; flex: 0 0 44px; }
.more {
  width: 44px; height: 44px; border: 1px solid var(--ink); border-radius: 999px;
  background: var(--raised); color: var(--ink);
  display: flex; align-items: center; justify-content: center; padding: 0;
}
.more:hover, .more[aria-expanded="true"] { color: var(--ink); }
.more svg { display: block; }
.menu {
  position: absolute; bottom: 52px; left: 0; z-index: 30;
  width: 17rem; max-height: 70vh; overflow: auto; padding: 6px 0; border-radius: 16px;
  background: var(--raised);
  box-shadow: 0 0 0 1px rgba(28,25,21,0.06), 0 12px 40px rgba(28,25,21,0.16);
}
.menu button {
  display: flex; width: 100%; height: 44px; align-items: center;
  padding: 0 16px; border: 0; background: transparent;
  color: var(--ink); font-size: 0.9rem; text-align: left;
  font-family: system-ui, sans-serif;
}
.menu button:hover { background: var(--user); }
.menu-extra { border-top: 1px solid var(--line); padding: 8px 16px 10px; }
.menu-extra .caps { margin: 0 0 8px; }
.size-row { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.size-row button {
  height: 36px; border-radius: 999px; justify-content: center;
  border: 1px solid var(--line); padding: 0;
}
.size-row button[aria-checked="true"] {
  background: var(--forest); color: var(--forest-fg); border-color: var(--forest);
}
.file-nav { display: flex; flex-direction: column; }
.file-link {
  display: flex; flex-direction: column; justify-content: center;
  min-height: 56px; width: 100%; border: 0; border-bottom: 1px solid var(--line);
  background: transparent; padding: 12px 0; text-align: left;
  font-family: system-ui, sans-serif; color: var(--ink);
}
.file-link span { display: block; font-size: 0.95rem; }
.file-hint { font-size: 0.75rem !important; color: var(--muted); margin-top: 2px; }
.start-row { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; max-width: 28rem; }
.start-row button {
  min-height: 44px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--raised); color: var(--ink); text-align: left; padding: 8px 16px;
  font: 0.9rem system-ui, sans-serif;
}
#input {
  flex: 1; width: auto; min-width: 0; min-height: 44px; border: 0; border-radius: 16px;
  padding: 10px 14px; font: 0.95rem/1.4 system-ui, sans-serif;
  background: var(--raised); color: var(--ink); resize: none;
}
.send, .primary {
  height: 48px; border: 0; border-radius: 999px;
  background: var(--forest); color: var(--forest-fg); font-weight: 600;
  font-family: system-ui, sans-serif;
}
#send { width: 100%; }
.send:disabled, .primary:disabled { opacity: 0.4; }
.sheet {
  position: fixed; inset: 0; z-index: 40;
  display: flex; justify-content: flex-end;
}
.sheet-back {
  position: absolute; inset: 0; border: 0;
  background: rgba(28,25,21,0.32);
}
.sheet-panel {
  position: relative; display: flex; flex-direction: column;
  height: 100%; width: 100%; max-width: 28rem;
  background: var(--raised);
  box-shadow: -12px 0 40px rgba(28,25,21,0.12);
}
.sheet-top {
  display: flex; height: 56px; align-items: center; gap: 8px;
  padding: 0 12px; border-bottom: 1px solid var(--line);
}
.sheet-top h2 {
  flex: 1; margin: 0; font-size: 1.25rem; font-weight: 500;
}
.icon-btn {
  width: 44px; height: 44px; border: 0; border-radius: 999px;
  background: transparent; color: var(--soft);
  display: flex; align-items: center; justify-content: center;
}
.icon-btn:hover { color: var(--ink); }
.sheet-body {
  flex: 1; overflow: auto; padding: 16px 20px 32px;
  font-family: system-ui, sans-serif;
}
.hint { color: var(--soft); font-size: 0.9rem; margin: 0 0 14px; }
.caps {
  display: block; font-size: 0.7rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 4px;
}
.note-form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.note-form input, .note-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 12px; font: 0.9rem/1.4 system-ui, sans-serif;
  background: var(--raised); color: var(--ink);
}
.note-form .primary { height: 44px; padding: 0 16px; width: fit-content; }
.note-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.note-card {
  padding: 14px 16px; border-radius: 16px; background: var(--paper);
  box-shadow: 0 0 0 1px rgba(28,25,21,0.06);
}
.note-title { margin: 0; font-family: Georgia, serif; font-size: 1.1rem; }
.note-text { margin: 6px 0 0; color: var(--soft); font-size: 0.9rem; white-space: pre-wrap; }
.linkish {
  margin-top: 10px; border: 0; background: none; color: var(--muted);
  font-size: 0.75rem; min-height: 44px; padding: 0;
}
.linkish:hover { color: var(--ink); text-decoration: underline; }
.readme {
  white-space: pre-wrap; background: var(--paper); padding: 12px;
  border-radius: 12px; font: 0.9rem/1.5 system-ui, sans-serif; color: var(--ink);
}
.prompt-summary { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.prompt-pill {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--paper); color: var(--soft); font-size: 0.78rem;
}
.prompt-pill b { color: var(--ink); font-weight: 600; }
.prompt-preview {
  margin: 0; min-height: 190px; white-space: pre-wrap; overflow-wrap: anywhere;
  padding: 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--paper); color: var(--ink); font: 0.9rem/1.55 system-ui, sans-serif;
}
.prompt-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.prompt-actions .primary, .secondary-button { min-height: 44px; padding: 0 16px; }
.secondary-button {
  border: 1px solid var(--line); border-radius: 999px; background: var(--raised);
  color: var(--ink); font: 600 0.85rem/1 system-ui, sans-serif;
}
.secondary-button:hover { background: var(--user); }
.prompt-copy-status { min-height: 1.2em; margin: 10px 0 0; }
.key-field { display: block; margin-bottom: 12px; }
.key-field input {
  width: 100%; height: 44px; border: 1px solid var(--line); border-radius: 12px;
  padding: 0 12px; background: var(--raised); color: var(--ink); font: 0.9rem system-ui, sans-serif;
}
.export-button { width: fit-content; min-height: 44px; padding: 0 16px; margin-bottom: 14px; }
.export-button:disabled { opacity: 0.4; }
.ticks { list-style: none; margin: 0; padding: 0; }
.ticks label {
  display: flex; align-items: center; gap: 12px; min-height: 44px;
  padding: 4px 8px; border-radius: 12px; cursor: pointer;
}
.ticks label:hover { background: var(--paper); }
.ticks input { width: 16px; height: 16px; accent-color: var(--forest); }