:root {
  --bg: #12100e;
  --bg-raised: #1c1916;
  --bg-input: #262220;
  --border: #34302b;
  --text: #ece7de;
  --text-dim: #a39b8d;
  --accent: #d9a441;
  --accent-deep: #b5822a;
  --user-bubble: #3a4a3d;
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Instrument Sans", -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}

.screen { min-height: 100dvh; display: flex; flex-direction: column; }
.hidden { display: none !important; }

/* ---------- Setup ---------- */

#setup { align-items: center; justify-content: center; padding: 24px; }

.setup-inner { width: 100%; max-width: 720px; text-align: center; }

h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 9vw, 76px);
  letter-spacing: -0.02em;
}
h1 em { color: var(--accent); font-style: italic; font-weight: 400; }

.tagline { color: var(--text-dim); margin: 10px 0 42px; font-size: 18px; }

.picker {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: left;
}

.picker h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  margin-bottom: 16px;
  color: var(--text);
}

.picker + .picker { margin-top: 14px; }

/* ---------- Auth + saved chats ---------- */

.auth-corner {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 30;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 9, 8, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 38px 34px 34px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.modal-card h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 26px;
  margin-bottom: 10px;
}

.modal-card h2 { margin-bottom: 24px; }

/* Official-style Google sign-in button */
.gsi-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  color: #1f1f1f;
  border: 1px solid #747775;
  border-radius: 20px;
  height: 40px;
  padding: 0 18px;
  font-family: Roboto, var(--font-body), arial, sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.gsi-button:hover { background: #f2f2f2; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3); }

.modal-close {
  position: absolute;
  top: 10px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
}
.modal-close:hover { color: var(--text); }

.btn-google {
  background: #fff;
  color: #1a1a1a;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 20px;
  cursor: pointer;
}
.btn-google:hover { background: #ece7de; }
.btn-google b { font-weight: 600; }

.chats-picker { margin-bottom: 14px; text-align: left; }

.chat-list { display: flex; flex-direction: column; gap: 6px; }

.chat-row { display: flex; align-items: stretch; gap: 6px; }

.chat-row-main {
  flex: 1;
  text-align: left;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-body);
}
.chat-row-main:hover { border-color: var(--accent); }

.chat-title { font-size: 14px; }
.chat-meta { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

.chat-delete {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-dim);
  width: 36px;
  cursor: pointer;
  font-size: 16px;
}
.chat-delete:hover { border-color: #d98a7a; color: #d98a7a; }


.groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 10px;
}

.group-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-family: var(--font-body);
  transition: border-color 0.15s, transform 0.1s;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.group-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.group-card.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.group-top { font-weight: 600; font-size: 15px; }
.group-blurb { color: var(--text-dim); font-size: 12px; }
.group-members { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.group-member {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 12.5px;
  min-width: 0;
}
.group-member span:last-child {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.group-faces .avatar.mini { margin-right: -7px; border: 2px solid var(--bg-input); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.chip:hover { border-color: var(--accent); }
.chip-photo {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 14px 4px 5px;
}
.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #1c1508;
  font-weight: 600;
}

.custom-row { display: flex; gap: 8px; margin-top: 14px; }

input[type="text"] {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 14px;
  outline: none;
}
input[type="text"]:focus { border-color: var(--accent-deep); }
input::placeholder { color: #6d665b; }

.selected-row { margin-top: 20px; display: flex; gap: 10px; align-items: baseline; }
.selected-label { color: var(--text-dim); font-size: 13px; white-space: nowrap; }
.chips-selected .chip { background: var(--bg-input); cursor: default; }
.chips-selected .chip .x { margin-left: 8px; cursor: pointer; color: var(--text-dim); }
.chips-selected .chip .x:hover { color: var(--accent); }
.empty-note { color: #6d665b; font-size: 13px; font-style: italic; }

.btn-primary {
  margin-top: 28px;
  background: var(--accent);
  color: #1c1508;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  padding: 13px 34px;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover:not(:disabled) { background: #e8b558; }
.btn-primary:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary.small { margin-top: 0; padding: 10px 20px; font-size: 15px; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 16px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.btn-ghost.small { padding: 6px 12px; font-size: 13px; }

/* ---------- Chat ---------- */

#chat { max-width: 780px; width: 100%; margin: 0 auto; }

.chat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(18, 16, 14, 0.92);
  backdrop-filter: blur(8px);
  z-index: 5;
}

.roster { display: flex; gap: 6px; flex-wrap: wrap; }
.roster .avatar { width: 30px; height: 30px; font-size: 12px; }

.messages { flex: 1; padding: 22px 18px 8px; display: flex; flex-direction: column; gap: 16px; overflow-y: auto; }

.msg { display: flex; gap: 10px; max-width: 85%; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 13px;
  color: #14110c;
  border: 1px solid var(--border);
  overflow: hidden;
}
.avatar.mini { width: 26px; height: 26px; font-size: 10px; }

.bubble-wrap { display: flex; flex-direction: column; gap: 3px; }
.msg.user .bubble-wrap { align-items: flex-end; }

.author {
  font-size: 12px;
  color: var(--text-dim);
  padding: 0 4px;
  font-family: var(--font-display);
  font-style: italic;
}

.bubble {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-top-left-radius: 4px;
  padding: 10px 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg.user .bubble {
  background: var(--user-bubble);
  border-top-left-radius: var(--radius);
  border-top-right-radius: 4px;
}

.suggestions {
  align-self: center;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 14px;
  width: 100%;
  max-width: 460px;
}

.suggestion {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 18px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, color 0.15s;
}
.suggestion:hover { border-color: var(--accent); color: var(--text); }

.typing {
  padding: 4px 18px 10px;
  color: var(--text-dim);
  font-size: 13px;
  font-style: italic;
}
.typing .dots::after {
  content: "…";
  animation: pulse 1.2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

.composer {
  display: flex;
  gap: 10px;
  padding: 14px 18px 20px;
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: 0;
  background: var(--bg);
}

/* ---------- Compare mode ---------- */

.compare-btn { margin-left: auto; }
.btn-ghost.on { border-color: var(--accent); color: var(--accent); }

#chat.compare-active { max-width: 1400px; }

.messages.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: start;
}

.compare-col {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.015);
  display: flex;
  flex-direction: column;
  min-height: 240px;
}

.col-head {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent);
  font-size: 14px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
}

.col-msgs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  overflow-y: auto;
  max-height: 62vh;
}

.compare-grid .msg { max-width: 100%; }
.compare-grid .avatar { width: 26px; height: 26px; font-size: 10px; }

.error-note {
  align-self: center;
  color: #d98a7a;
  font-size: 13px;
  background: rgba(217, 138, 122, 0.08);
  border: 1px solid rgba(217, 138, 122, 0.3);
  border-radius: 8px;
  padding: 8px 14px;
}