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

:root {
  --side-a: #1D9E75;
  --side-a-light: #E1F5EE;
  --side-a-dark: #085041;
  --side-a-mid: #9FE1CB;
  --side-b: #185FA5;
  --side-b-light: #E6F1FB;
  --side-b-dark: #042C53;
  --side-b-mid: #B5D4F4;
  --mod: #534AB7;
  --mod-light: #EEEDFE;
  --mod-dark: #26215C;
  --mod-mid: #AFA9EC;
  --bg: #ffffff;
  --bg-secondary: #f7f6f3;
  --border: rgba(0,0,0,0.12);
  --border-hover: rgba(0,0,0,0.28);
  --text: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-tertiary: #a0a0a0;
  --radius-md: 8px;
  --radius-lg: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --bg-secondary: #242424;
    --border: rgba(255,255,255,0.12);
    --border-hover: rgba(255,255,255,0.28);
    --text: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    --side-a-light: #0a2e21;
    --side-a-dark: #9FE1CB;
    --side-b-light: #0a1e35;
    --side-b-dark: #B5D4F4;
    --mod-light: #1a1740;
    --mod-dark: #CECBF6;
  }
}

html[data-theme="dark"] {
  --bg: #1a1a1a;
  --bg-secondary: #242424;
  --border: rgba(255,255,255,0.12);
  --border-hover: rgba(255,255,255,0.28);
  --text: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-tertiary: #666666;
  --side-a-light: #0a2e21;
  --side-a-dark: #9FE1CB;
  --side-b-light: #0a1e35;
  --side-b-dark: #B5D4F4;
  --mod-light: #1a1740;
  --mod-dark: #CECBF6;
}

html[data-theme="light"] {
  --bg: #ffffff;
  --bg-secondary: #f7f6f3;
  --border: rgba(0,0,0,0.12);
  --border-hover: rgba(0,0,0,0.28);
  --text: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-tertiary: #a0a0a0;
  --side-a-light: #E1F5EE;
  --side-a-dark: #085041;
  --side-b-light: #E6F1FB;
  --side-b-dark: #042C53;
  --mod-light: #EEEDFE;
  --mod-dark: #26215C;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--base-font-size, 15px);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  padding: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

#app { padding: 0.5rem 0 3rem; }

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 0.5px solid var(--border);
}

.logo {
  width: 40px; height: 40px;
  background: var(--side-a);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 20px;
}

.app-title { font-size: 20px; font-weight: 500; }
.app-sub { font-size: 13px; color: var(--text-secondary); }

.settings-btn {
  margin-left: auto;
  width: 34px; height: 34px;
  background: none;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
  transition: all 0.15s;
}
.settings-btn:hover { border-color: var(--border-hover); color: var(--text); }

.section { margin-bottom: 1.5rem; }

.card {
  background: var(--bg-secondary);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  margin-bottom: 1rem;
}

.card-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}

input[type="text"] {
  flex: 1;
  height: 38px;
  padding: 0 12px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

input:focus { border-color: var(--border-hover); }

.hint {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.btn {
  height: 38px;
  padding: 0 18px;
  background: var(--side-a);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.88; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn.secondary {
  background: var(--bg-secondary);
  color: var(--text);
  border: 0.5px solid var(--border);
}

.btn.secondary:hover { opacity: 0.85; }

.btn.outline {
  background: var(--bg);
  color: var(--text);
  border: 0.5px solid var(--border);
}

.btn.outline:hover { border-color: var(--side-a); color: var(--side-a); }
.btn.outline:disabled { opacity: 0.4; cursor: not-allowed; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.chip {
  padding: 6px 14px;
  border: 0.5px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  cursor: pointer;
  background: var(--bg);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.chip:hover { border-color: var(--side-a); color: var(--side-a); }
.chip.active { background: var(--side-a-light); border-color: var(--side-a); color: var(--side-a-dark); font-weight: 500; }

/* ── Debate setup ─────────────────────────────────────────────── */

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.preset-chip {
  padding: 6px 14px;
  border: 0.5px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  cursor: pointer;
  background: var(--bg);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.preset-chip:hover { border-color: var(--mod); color: var(--mod); }
.preset-chip.active { background: var(--mod-light); border-color: var(--mod); color: var(--mod-dark); font-weight: 500; }

.sides-setup {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.side-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 52px;
  flex-shrink: 0;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 10px;
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 0.5px;
  background: var(--border);
}

.opposite-btn {
  height: 38px;
  padding: 0 12px;
  flex-shrink: 0;
  font-size: 13px;
}

/* ── Moderator switcher ───────────────────────────────────────── */

.mod-switcher {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mod-label { font-size: 12px; color: var(--text-secondary); }
.mod-tabs { display: flex; gap: 6px; flex-wrap: wrap; }

.mod-tab {
  padding: 5px 12px;
  border: 0.5px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  cursor: pointer;
  background: var(--bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s;
}

.mod-tab:hover { border-color: var(--mod); color: var(--mod); }
.mod-tab.active { background: var(--mod-light); border-color: var(--mod); color: var(--mod-dark); font-weight: 500; }

.mod-desc { font-size: 11px; color: var(--text-tertiary); }

/* ── Topic / debate header ────────────────────────────────────── */

.topic-header {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.topic-subheader {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 0.5px solid var(--border);
}

.side-a-label { color: var(--side-a-dark); }
.side-b-label { color: var(--side-b-dark); }
.vs-label { color: var(--text-tertiary); font-weight: 400; }

/* ── Rounds ───────────────────────────────────────────────────── */

.round { margin-bottom: 1.5rem; }

.round-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

@media (max-width: 540px) {
  .pair { grid-template-columns: 1fr; }
  .side-row { flex-wrap: wrap; }
  .opposite-btn { width: 100%; justify-content: center; }
}

.bubble {
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
}

.bubble-head {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 7px;
}

.bubble.side-a .bubble-head { background: var(--side-a-light); color: var(--side-a-dark); border-bottom: 0.5px solid var(--side-a-mid); }
.bubble.side-b .bubble-head { background: var(--side-b-light); color: var(--side-b-dark); border-bottom: 0.5px solid var(--side-b-mid); }
.bubble.mod .bubble-head { background: var(--mod-light); color: var(--mod-dark); border-bottom: 0.5px solid var(--mod-mid); }

.bubble-body {
  padding: 12px;
  font-size: var(--bubble-font-size, 13px);
  line-height: 1.65;
  color: var(--text);
  min-height: 48px;
}

.bubble-body.waiting {
  color: var(--text-tertiary);
  font-style: italic;
}

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.side-a .dot { background: var(--side-a); }
.side-b .dot { background: var(--side-b); }
.mod .dot { background: var(--mod); }

.thinking {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}

.thinking span {
  width: 6px; height: 6px;
  border-radius: 50%;
  animation: thinkpulse 1.2s infinite;
}

.side-a .thinking span { background: var(--side-a); }
.side-b .thinking span { background: var(--side-b); }
.mod .thinking span { background: var(--mod); }

.thinking span:nth-child(2) { animation-delay: 0.2s; }
.thinking span:nth-child(3) { animation-delay: 0.4s; }

@keyframes thinkpulse {
  0%, 80%, 100% { opacity: 0.25; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.mod-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  border: 0.5px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.action-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.inject-card { margin-top: 0; }

.status {
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
  min-height: 18px;
  margin: 8px 0;
}

.bubble-body p { margin: 0 0 0.5em; }
.bubble-body p:last-child { margin-bottom: 0; }

/* ── Modal ────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-card {
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  width: min(320px, 90vw);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.modal-title { font-size: 14px; font-weight: 600; }

.modal-close {
  width: 28px; height: 28px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 15px;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--text); }

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 0.5px solid var(--border);
}

.setting-label { font-size: 13px; color: var(--text-secondary); }

.setting-btns {
  display: flex;
  gap: 4px;
  align-items: center;
}

.setting-btns button {
  height: 30px;
  padding: 0 10px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}
.setting-btns button:hover { border-color: var(--border-hover); color: var(--text); }
.setting-btns button.active { background: var(--side-a-light); border-color: var(--side-a); color: var(--side-a-dark); font-weight: 500; }

.font-btns { gap: 8px; }
.font-btns button { padding: 0 8px; }
.font-label { font-size: 12px; color: var(--text-secondary); min-width: 48px; text-align: center; }