/* Team Artificial Intelligences, AI — Bridge v3-new
   Mist Green theme. Palette from ARCHITECTURE.md section 7 (exact).
   Page structure matches Shay's mockup: header, info box, agent controls,
   session row, shared notes, message thread, sticky composer.
   Per-speaker pastel bubble tints for visibility between speakers. */

:root {
  --mist-green: #5fb89b;
  --mist-green-dark: #469e7f;
  --mist-green-light: #7fcdb3;
  --text: #4a4a4a;
  --headings: #333333;
  --muted: #999999;
  --bg: #f1f1f1;
  --card: #ffffff;
  --borders: #e5e5e5;
  --danger: #c0392b;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);

  /* Per-speaker pastel bubble tints (soft, text stays readable) */
  --bubble-shay: #FFE9C9;      /* peach */
  --bubble-muse: #D8EFE4;      /* mint */
  --bubble-pixel: #FADBD8;     /* light red */
  --bubble-gemini: #E4DCF3;    /* lavender */
  --bubble-chatgpt: #F9DCD8;   /* rose */

  /* Thread text scale (A- / A+ controls) */
  --ts: 1;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

.hidden { display: none !important; }

/* Connection banner */
.conn-banner {
  background: var(--mist-green-dark);
  color: #fff;
  text-align: center;
  padding: .45rem .75rem;
  font-size: .85rem;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 40;
}
.conn-banner.error { background: var(--danger); }

/* Page: centered column for all sections */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1rem 0;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

/* ---- Room header ---- */
.room-header { text-align: left; }
.eyebrow {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist-green-dark);
  font-weight: 700;
  margin-bottom: .25rem;
}
.room-title {
  margin: 0;
  font-size: 1.35rem;
  color: var(--headings);
}
.header-status { margin-top: .4rem; }
.ws-status { display: inline-flex; align-items: center; gap: .35rem; font-size: .8rem; color: var(--muted); }
.ws-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.ws-status.online .ws-dot { background: var(--mist-green); box-shadow: 0 0 0 3px rgba(95,184,155,.2); }
.ws-status.online { color: var(--mist-green-dark); font-weight: 600; }

/* ---- Info box (light green-tinted card) ---- */
.info-box {
  background: rgba(95,184,155,.12);
  border: 1px solid var(--mist-green-light);
  border-radius: var(--radius);
  padding: .8rem .95rem;
  min-height: 9.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.info-box p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.5;
  color: var(--text);
}

.tagline {
  margin: 0;
  font-size: .85rem;
  color: var(--muted);
}

/* ---- Agent controls ---- */
.agent-controls {
  background: var(--card);
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .7rem .85rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.agent-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  flex-wrap: wrap;
}
.turn-status { font-size: .85rem; font-weight: 600; color: var(--headings); }
.turn-status.limit { color: var(--danger); }
.agent-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.agent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .45rem .6rem;
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  background: var(--bg);
  font-size: .85rem;
}
.agent-item .agent-name { font-weight: 600; color: var(--headings); }
.agent-item .agent-meta { font-size: .72rem; color: var(--muted); }
.agent-item.paused { border-color: var(--mist-green); background: rgba(95,184,155,.08); }

/* ---- Session row ---- */
.session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}
.text-size { display: flex; align-items: center; gap: .35rem; }
.ts-label { font-size: .8rem; color: var(--muted); min-width: 3ch; text-align: center; }

/* ---- Shared project notes ---- */
.notes-section {
  background: var(--card);
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .7rem .85rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.section-title {
  margin: 0;
  font-size: .95rem;
  color: var(--headings);
}
.notes-view {
  white-space: pre-wrap;
  font-size: .85rem;
  background: var(--bg);
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .6rem;
  max-height: 30vh;
  overflow-y: auto;
}
.notes-view:empty::before {
  content: "No notes yet.";
  color: var(--muted);
  font-style: italic;
}
#notes-edit-wrap { display: flex; flex-direction: column; gap: .5rem; align-items: flex-start; }
#notes-editor {
  width: 100%;
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .5rem;
  font-family: inherit;
  font-size: .85rem;
  resize: vertical;
}
/* Info-box (knowledge box) owner editor */
#info-edit-wrap { display: flex; flex-direction: column; gap: .5rem; align-items: flex-start; margin-top: .6rem; }
#info-editor {
  width: 100%;
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .5rem;
  font-family: inherit;
  font-size: .85rem;
  resize: vertical;
}

/* ---- Message thread ---- */
.thread-section { min-height: 20vh; }

.messages {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: .5rem 0 1rem;
  font-size: calc(16px * var(--ts));
}

/* Message grouping: consecutive same-speaker messages stack tightly.
   .group-start = first message of a run (gap above separates groups).
   .group-middle = continuation (near-zero gap, avatar hidden, bubble aligned). */
.msg.group-start { margin-top: .2rem; }
.messages > .msg:first-child { margin-top: 0; }
.msg.group-middle { margin-top: 2px; }
.msg.group-middle .msg-avatar { display: none; }
/* Indent bubble to align with the bubble above (avatar 36px minus 14px overlap) */
.msg.group-middle .msg-body { margin-left: 22px; }
.msg.own.group-middle .msg-body { margin-left: 0; margin-right: 22px; }

.msg {
  display: flex;
  gap: 0;
  align-items: flex-start;
  max-width: 82%;
}
.msg:not(.own) { align-self: flex-start; }
.msg.own { align-self: flex-end; flex-direction: row-reverse; }

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: .15rem;
  /* Avatar "sticks out": overlaps the bubble edge like a badge. */
  position: relative;
  z-index: 1;
  border: 3px solid var(--bg);
  margin-right: -14px;
}
.msg.own .msg-avatar { margin-right: 0; margin-left: -14px; }

.msg-body {
  background: var(--card);
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .6rem .75rem;
  box-shadow: var(--shadow);
  min-width: 0;
  flex: 1;
}

/* Per-speaker pastel bubble tints */
.msg.sp-shay .msg-body { background: var(--bubble-shay); }
.msg.sp-muse .msg-body { background: var(--bubble-muse); }
.msg.sp-pixel .msg-body { background: var(--bubble-pixel); }
.msg.sp-gemini .msg-body { background: var(--bubble-gemini); }
.msg.sp-chatgpt .msg-body { background: var(--bubble-chatgpt); }

/* Own messages: keep speaker tint, mark with a mist-green border */
.msg.own .msg-body { border: 2px solid var(--mist-green); }

.msg-head {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin-bottom: .3rem;
  flex-wrap: wrap;
}
.msg-speaker { font-weight: 700; color: var(--mist-green-dark); font-size: .85em; }
.msg-time { font-size: .72em; color: var(--muted); }
.msg-id { font-size: .7em; color: var(--muted); margin-left: auto; }
.msg-text { white-space: pre-wrap; word-wrap: break-word; font-size: .92em; line-height: 1.45; }
.msg-reply {
  font-size: .78em;
  color: var(--muted);
  border-left: 3px solid var(--mist-green-light);
  padding-left: .5rem;
  margin-bottom: .4rem;
}
.msg-reply strong { color: var(--mist-green-dark); }
.msg-actions { display: flex; gap: .4rem; margin-top: .45rem; flex-wrap: wrap; }
.msg.edited .msg-text::after {
  content: " (edited)";
  font-size: .78em;
  color: var(--muted);
  font-style: italic;
}
/* Inline message editor (v2 edit action) */
.msg-edit-area {
  width: 100%;
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .5rem .65rem;
  font-family: inherit;
  font-size: .92rem;
  resize: vertical;
  margin-top: .4rem;
}
.msg-edit-area:focus { outline: 2px solid var(--mist-green-light); border-color: var(--mist-green); }
.msg-edit-row { display: flex; gap: .5rem; margin-top: .4rem; }

/* Like button */
.like-btn {
  border: 1px solid var(--borders);
  background: rgba(255,255,255,.6);
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .78em;
  cursor: pointer;
  color: var(--text);
}
.like-btn:hover { border-color: var(--mist-green); }
.like-btn.liked { background: var(--mist-green); border-color: var(--mist-green-dark); color: #fff; font-weight: 600; }

/* ---- Sticky footer: reply bar + composer ---- */
.sticky-foot {
  position: sticky;
  bottom: 0;
  z-index: 30;
  background: var(--bg);
}
.foot-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1rem calc(.7rem + env(safe-area-inset-bottom));
  display: flex;
  gap: .6rem;
  align-items: center;
}
.foot-main { flex: 1; min-width: 0; }

/* Section name tags: legend-style, straddling the top border at top-left */
.info-box, .agent-controls, .notes-section, .session-block { position: relative; }
.section-tag {
  position: absolute;
  top: 0;
  left: 1rem;
  transform: translateY(-50%);
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mist-green-dark);
  background: var(--bg);
  border: 1px solid var(--mist-green-light);
  border-radius: 999px;
  padding: .18rem .6rem;
  white-space: nowrap;
}
/* Session block becomes a card so the tag has an outline to sit on */
.session-block {
  background: var(--card);
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .7rem .85rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
  margin-top: 1.1rem;
}
.info-box, .agent-controls, .notes-section { margin-top: 1.1rem; }

/* Quick scroll arrows (plain arrows, not a pill) */
.scroll-arrows {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  flex-shrink: 0;
}
.scroll-arrow {
  width: 32px;
  height: 24px;
  border-radius: 12px;
  background: #e0e0e0;
  color: #666;
  border: none;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  padding: 0;
}
.scroll-arrow:hover { background: #d0d0d0; }
.scroll-arrow:active { transform: scale(.94); }
.scroll-arrow:focus-visible { outline: 2px solid var(--mist-green-dark); outline-offset: 2px; }

/* Reply bar */
.reply-bar {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .45rem .9rem;
  background: rgba(95,184,155,.1);
  border: 1px solid var(--mist-green-light);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  font-size: .82rem;
}
.reply-label { color: var(--mist-green-dark); }
.reply-snippet { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }

/* Composer */
.composer {
  padding: .7rem;
  background: var(--card);
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  box-shadow: var(--shadow);
}
.reply-bar:not(.hidden) + .composer { border-radius: 0 0 var(--radius) var(--radius); }
.token-input, .name-input {
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .45rem .6rem;
  font-size: .85rem;
  width: 100%;
}
.composer-row { display: flex; gap: .5rem; align-items: flex-end; }
.composer-row textarea {
  flex: 1;
  resize: vertical;
  min-height: 44px;
  max-height: 160px;
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .5rem .65rem;
  font-size: .92rem;
  font-family: inherit;
}
.composer-row textarea:focus, .token-input:focus, .name-input:focus,
#notes-editor:focus {
  outline: 2px solid var(--mist-green-light);
  border-color: var(--mist-green);
}

/* Buttons */
.btn {
  border: 1px solid var(--borders);
  border-radius: var(--radius);
  padding: .5rem .9rem;
  font-size: .88rem;
  cursor: pointer;
  font-weight: 600;
  background: var(--card);
  color: var(--text);
}
.btn-primary { background: var(--mist-green); border-color: var(--mist-green-dark); color: #fff; }
.btn-primary:hover { background: var(--mist-green-dark); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--mist-green-dark); }
.btn-sm { padding: .25rem .55rem; font-size: .78rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* Pause toggle switch */
.pause-toggle { display: inline-flex; align-items: center; gap: .35rem; font-size: .75rem; cursor: pointer; }
.pause-toggle input { accent-color: var(--mist-green); }

.hint { font-size: .76rem; color: var(--muted); margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .page { padding: .8rem .8rem 0; }
  .room-title { font-size: 1.15rem; }
  .msg { max-width: 94%; }
  .foot-inner { padding: 0 .8rem calc(.6rem + env(safe-area-inset-bottom)); }
  .agent-controls-row { align-items: flex-start; }
}

@media (max-width: 700px) {
  .scroll-arrows { flex-direction: row; gap: .3rem; }
}