@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #f5f4ef;
  --bg-2: #eceae3;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-muted: rgba(244, 243, 238, 0.94);
  --line: rgba(17, 17, 17, 0.08);
  --line-strong: rgba(17, 17, 17, 0.14);
  --text: #121212;
  --muted: #6a6a67;
  --shadow: 0 24px 80px rgba(17, 17, 17, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --sidebar-width: 292px;
  --sidebar-collapsed-width: 94px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(255, 255, 255, 0.9), transparent 34%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.hidden {
  display: none !important;
}

.flash-toast {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 120;
  min-width: min(420px, calc(100vw - 32px));
  max-width: min(520px, calc(100vw - 32px));
  padding: 14px 18px;
  border: 1px solid rgba(35, 115, 66, 0.22);
  border-radius: 18px;
  background: linear-gradient(180deg, #3ba264 0%, #2e8a54 100%);
  color: #ffffff;
  font-size: 0.96rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 20px 48px rgba(31, 92, 55, 0.22);
  transform: translate(-50%, -14px);
  opacity: 0;
  transition: opacity 220ms ease, transform 220ms ease;
}

.flash-toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.flash-toast.fading {
  opacity: 0;
  transform: translate(-50%, -12px);
}

.app-shell {
  min-height: 100vh;
  padding: 16px;
}

.layout-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 20px;
  transition: grid-template-columns 180ms ease, gap 180ms ease;
}

.layout-shell.sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
  gap: 0;
}

.history-drawer,
.composer-stage,
.detail-shell,
.turn-card,
.summary-card,
.participant-card,
.provider-tile,
.policy-card,
.conversation-item,
.auth-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.history-drawer {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 32px);
  max-height: calc(100vh - 32px);
  padding: 18px;
  border-radius: 28px;
  overflow: hidden;
  transition: padding 180ms ease, transform 180ms ease, opacity 180ms ease;
}

.drawer-head-compact {
  padding-top: 0;
}

.drawer-title {
  font-size: 1rem;
  font-weight: 800;
}

.sidebar-top,
.drawer-meta-row,
.participant-card-head,
.picker-header,
.turn-feed-top,
.turn-feed-id,
.header-actions,
.topbar,
.sidebar-account,
.sidebar-controls,
.switch-wrap,
.account-row,
.account-actions,
.sidebar-account-actions {
  display: flex;
  align-items: center;
}

.sidebar-top {
  justify-content: space-between;
  gap: 12px;
}

.sidebar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.sidebar-brand strong,
.sidebar-account strong {
  display: block;
  font-size: 0.96rem;
}

.sidebar-brand span,
.sidebar-account span,
.drawer-copy,
.conversation-meta,
.helper-copy,
.turn-subtitle,
.status-hint,
.subtle-note,
.conversation-meta-row,
.auth-copy,
.auth-footer,
.account-label {
  color: var(--muted);
}

.sidebar-brand span,
.sidebar-account span,
.auth-footer {
  font-size: 0.84rem;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
}

.sidebar-brand-copy,
.sidebar-account-copy {
  min-width: 0;
}

.sidebar-controls {
  gap: 8px;
}

.drawer-head {
  padding: 18px 2px 8px;
}

.drawer-head-simple {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
}

.drawer-head h2,
.arena-title,
.arena-question,
.detail-title,
.policy-card h1,
.policy-card h2,
.summary-head h2,
.picker-header h3,
.participant-name,
.auth-card h1 {
  font-family: "Cormorant Garamond", "Iowan Old Style", serif;
  letter-spacing: -0.03em;
}

.drawer-head h2,
.picker-header h3,
.policy-card h2 {
  margin: 8px 0 0;
}

.eyebrow,
.participant-kicker,
.citations-title {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #77746c;
}

.drawer-meta-row {
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px 0;
  font-size: 0.82rem;
}

.count-pill,
.config-chip,
.summary-badge,
.turn-chip,
.status-pill,
.provider-inline-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.conversation-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 14px;
  overflow: auto;
}

.conversation-item {
  display: block;
  padding: 14px;
  border-radius: 18px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.conversation-item:hover,
.provider-tile:hover,
.menu-button:hover,
.primary-button:hover,
.secondary-button:hover,
.icon-button:hover,
.top-link-button:hover {
  transform: translateY(-1px);
}

.conversation-item.active {
  border-color: var(--line-strong);
  background: var(--surface-strong);
}

.conversation-title {
  margin: 0 0 8px;
  font-size: 0.96rem;
  font-weight: 700;
}

.conversation-meta-row {
  justify-content: space-between;
  gap: 12px;
  font-size: 0.78rem;
}

.sidebar-spacer {
  flex: 1;
}

.sidebar-footer {
  display: grid;
  gap: 12px;
  padding-top: 14px;
}

.sidebar-footer-minimal {
  gap: 10px;
}

.sidebar-account {
  gap: 12px;
  padding: 14px;
  border-radius: 22px;
  background: #121212;
  color: #ffffff;
}

.sidebar-account-minimal {
  padding: 12px 14px;
}

.sidebar-account-guest {
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--line);
}

.sidebar-account-flat {
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--line);
}

.sidebar-account-profile {
  align-items: center;
}

.sidebar-account-guest .account-avatar {
  background: rgba(17, 17, 17, 0.08);
  color: #121212;
}

.sidebar-account-actions {
  display: grid;
  gap: 10px;
}

.sidebar-account-copy-minimal strong {
  font-size: 0.92rem;
  font-weight: 700;
}

.sidebar-auth-button {
  width: 100%;
  justify-content: center;
}

.sidebar-auth-primary {
  min-width: 0;
}

.account-avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
  font-weight: 800;
}

.account-avatar-image {
  object-fit: cover;
  overflow: hidden;
}

.main-shell {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.main-shell-full {
  grid-column: 1 / -1;
}

.topbar {
  justify-content: space-between;
  gap: 16px;
  padding: 4px 2px 18px;
}

.topbar-home {
  align-items: center;
}

.topbar-spacer {
  flex: 1;
}

.topbar-detail {
  align-items: center;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.92rem;
  font-weight: 600;
}

.menu-button,
.secondary-button,
.icon-button,
.top-link-button {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.menu-button,
.secondary-button,
.top-link-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  cursor: pointer;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  background: #121212;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 18px 40px rgba(17, 17, 17, 0.16);
}

.primary-button-large {
  min-width: 220px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  cursor: pointer;
}

.sidebar-toggle {
  font-size: 1.35rem;
  line-height: 1;
}

.shell-toggle {
  flex: 0 0 auto;
}

.menu-label {
  display: inline;
}

.home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.home-button-icon {
  width: 22px;
  height: 22px;
}

.menu-icon {
  position: relative;
  width: 18px;
  height: 12px;
  border-top: 2px solid #121212;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  border-top: 2px solid #121212;
}

.menu-icon::before {
  top: 4px;
}

.menu-icon::after {
  top: 10px;
}

.arena-landing,
.detail-stage,
.policy-stage,
.auth-stage {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.arena-landing {
  display: grid;
  gap: 28px;
}

.headline-stage {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 8px;
  padding: 20px 0 0;
}

.hero-logo {
  width: 86px;
  height: 86px;
}

.arena-title {
  margin: 0;
  font-size: clamp(4.25rem, 8vw, 6.6rem);
  line-height: 0.92;
}

.arena-byline {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
}

.arena-question {
  margin: 4px 0 0;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
}

.category-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 900px;
  margin-top: 8px;
}

.category-strip span {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
  font-weight: 600;
}

.composer-stage,
.detail-shell,
.policy-card,
.auth-card {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.request-form-centered,
.conversation-view,
.auth-form,
.auth-card {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.prompt-frame {
  display: block;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.prompt-frame textarea {
  width: 100%;
  min-height: 130px;
  padding: 0;
  border: 0;
  outline: none;
  resize: vertical;
  background: transparent;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.68;
}

.prompt-frame textarea::placeholder {
  color: #8a8781;
}

.controls-row {
  display: grid;
  grid-template-columns: 140px 88px 240px;
  justify-content: center;
  width: fit-content;
  margin: 0 auto;
  gap: 10px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

.field span {
  color: #595751;
}

.field input,
.field select,
.participant-provider-readonly {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  color: var(--text);
}

.field input,
.field select {
  appearance: none;
}

.toggle-field {
  display: grid;
  grid-template-rows: auto 52px;
  align-items: start;
  justify-items: center;
}

.switch-input {
  grid-row: 2;
  grid-column: 1;
  width: 44px;
  height: 24px;
  opacity: 0;
  cursor: pointer;
  margin: 0;
  align-self: center;
  justify-self: center;
}

.switch-ui {
  grid-row: 2;
  grid-column: 1;
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.12);
  transition: background 160ms ease;
  align-self: center;
  justify-self: center;
}

.switch-ui::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 3px 8px rgba(17, 17, 17, 0.18);
  transition: transform 160ms ease;
}

.switch-input:checked + .switch-ui {
  background: #121212;
}

.switch-input:checked + .switch-ui::after {
  transform: translateX(20px);
}

.picker-stage,
.roster-stage {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.picker-header {
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.picker-header h3 {
  font-size: 1.6rem;
}

.provider-picker {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.provider-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-height: 148px;
  padding: 18px;
  border-radius: 24px;
  cursor: pointer;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease;
}

.provider-tile:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.provider-tile strong {
  font-size: 1.02rem;
}

.provider-tile span:last-child {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--muted);
}

.provider-icon {
  display: block;
  object-fit: contain;
}

.provider-icon-large {
  width: 34px;
  height: 34px;
}

.provider-icon-small {
  width: 30px;
  height: 30px;
}

.provider-icon-pill {
  width: 28px;
  height: 28px;
}

.participants-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.participant-card-inline {
  padding: 18px;
  border-radius: 24px;
  background: var(--surface-strong);
}

.participant-card-head {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.participant-heading-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.provider-badge-icon {
  width: 30px;
  height: 30px;
}

.participant-name {
  margin: 4px 0 0;
  font-size: 1.34rem;
}

.participant-grid-tight {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.participant-reasoning-wrap.hidden {
  display: none;
}

.participant-provider-readonly {
  display: flex;
  align-items: center;
}

.provider-inline-badge {
  justify-content: flex-start;
  font-weight: 700;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-actions-centered {
  align-items: center;
  text-align: center;
}

.helper-centered {
  max-width: 720px;
}

.billing-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.billing-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  font-weight: 700;
}

.billing-chip-subtle {
  color: var(--muted);
  font-weight: 600;
}

.billing-inline-message {
  color: var(--muted);
  font-size: 0.94rem;
}

.secondary-button-inline {
  min-height: 44px;
}

.detail-shell {
  min-height: calc(100vh - 92px);
}

.empty-state,
.empty-card {
  display: grid;
  place-items: center;
  min-height: 240px;
  text-align: center;
}

.conversation-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.conversation-header-stacked {
  align-items: center;
  text-align: center;
}

.title-wrap-wide {
  max-width: 900px;
}

.detail-title {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.3rem);
}

.header-actions,
.config-chips,
.participants-stage {
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.status-pill {
  font-weight: 700;
  text-transform: capitalize;
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7f7f7a;
}

.status-pill.completed::before {
  background: #1d7f47;
}

.status-pill.failed::before {
  background: #a23c30;
}

.status-pill.interrupted::before {
  background: #9e7a1f;
}

.participant-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}

.participant-pill p {
  margin: 0 0 2px;
  font-weight: 700;
}

.participant-pill span {
  color: var(--muted);
  font-size: 0.84rem;
}

.participant-pill.summarizer {
  border-color: var(--line-strong);
  background: #ffffff;
}

.error-banner {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(162, 60, 48, 0.16);
  background: rgba(255, 240, 238, 0.84);
  color: #7f3026;
  font-weight: 600;
}

.transcript-feed,
.summary-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.turn-card-feed {
  padding: 20px;
  border-radius: 24px;
  background: var(--surface-strong);
}

.turn-feed-top {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.turn-feed-id {
  gap: 12px;
}

.turn-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.turn-subtitle {
  margin: 4px 0 0;
  font-size: 0.84rem;
}

.turn-body {
  padding-left: 40px;
}

.summary-shell-single {
  padding-top: 6px;
}

.summary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.summary-head-centered {
  flex-direction: column;
  text-align: center;
}

.summary-card {
  padding: 20px;
  border-radius: 22px;
  background: var(--surface-strong);
}

.summary-card.snapshot {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 246, 242, 0.98));
}

.summary-card.agreement {
  background: linear-gradient(180deg, rgba(246, 250, 245, 0.98), rgba(255, 255, 255, 0.98));
}

.summary-card.disagreement {
  background: linear-gradient(180deg, rgba(252, 246, 245, 0.98), rgba(255, 255, 255, 0.98));
}

.summary-card.answer {
  background: linear-gradient(180deg, rgba(245, 247, 250, 0.98), rgba(255, 255, 255, 0.98));
}

.summary-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.markdown-body {
  line-height: 1.68;
  overflow-wrap: anywhere;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body > :last-child {
  margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  font-family: "Cormorant Garamond", "Iowan Old Style", serif;
}

.markdown-body pre {
  overflow: auto;
  padding: 14px;
  border-radius: 16px;
  background: #111111;
  color: #f7f7f4;
}

.markdown-body code {
  font-family: "SFMono-Regular", "Menlo", "Consolas", monospace;
}

.markdown-body :not(pre) > code {
  padding: 0.16em 0.38em;
  border-radius: 8px;
  background: rgba(17, 17, 17, 0.06);
}

.markdown-body blockquote {
  margin: 16px 0;
  padding-left: 14px;
  border-left: 3px solid rgba(17, 17, 17, 0.16);
  color: #58564f;
}

.markdown-body ul,
.markdown-body ol,
.policy-card ul {
  padding-left: 20px;
}

.markdown-body a,
.citations a,
.top-links a:hover,
.auth-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.citations {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(17, 17, 17, 0.12);
}

.citations-title {
  margin-bottom: 8px;
}

.citations ol {
  margin: 0;
}

.policy-card h1,
.auth-card h1 {
  margin: 8px 0 14px;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

.policy-card p,
.policy-card li {
  color: #42413e;
  line-height: 1.72;
}

.auth-stage {
  max-width: 760px;
}

.auth-card {
  max-width: 620px;
  margin: 0 auto;
}

.auth-copy {
  margin: -8px 0 0;
  line-height: 1.7;
}

.auth-footer {
  margin: 0;
}

.auth-alt {
  display: grid;
  gap: 16px;
}

.auth-divider {
  position: relative;
  text-align: center;
}

.auth-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-top: 1px solid var(--line);
}

.auth-divider span {
  position: relative;
  display: inline-block;
  padding: 0 12px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.account-subhead {
  margin: 6px 0 -6px;
  font-family: "Cormorant Garamond", "Iowan Old Style", serif;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.password-form {
  margin-top: 8px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-strong);
  color: var(--text);
}

.password-form .field span,
.password-form .account-subhead {
  color: var(--text);
}

.password-form .field input {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.password-form .field input::placeholder {
  color: var(--muted);
}

.password-form .secondary-button {
  border-color: rgba(17, 17, 17, 0.12);
  background: #e5e5e2;
  color: #121212;
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.08);
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  line-height: 1.55;
}

.checkbox-field input {
  margin-top: 3px;
  accent-color: #121212;
}

.google-auth-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  color: var(--text);
  font-weight: 700;
  box-shadow: var(--shadow);
}

.google-auth-button.disabled {
  opacity: 0.52;
}

.google-auth-icon {
  width: 18px;
  height: 18px;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.account-content {
  display: grid;
  gap: 16px;
}

.account-row {
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}

.account-actions {
  gap: 12px;
  flex-wrap: wrap;
}

.pricing-stage {
  max-width: 1120px;
}

.pricing-card-shell {
  max-width: 1040px;
}

.pricing-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.pricing-summary-chip {
  display: grid;
  gap: 4px;
  min-width: 180px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-strong);
}

.pricing-summary-chip strong {
  font-size: 1.05rem;
}

.pricing-summary-chip span {
  color: var(--muted);
  font-size: 0.9rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.pricing-tile {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.pricing-tile::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, #111111 0%, #8a6a2b 45%, #d6b566 100%);
}

.pricing-price {
  margin: -4px 0 0;
  font-size: 2rem;
  font-weight: 700;
  color: #8a6a2b;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.42);
}

.pricing-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.pricing-meta {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.success-banner {
  border-color: rgba(26, 127, 55, 0.24);
  background: rgba(26, 127, 55, 0.1);
  color: #14532d;
}

.pricing-tile .primary-button {
  background: linear-gradient(135deg, #111111 0%, #343434 100%);
  color: #ffffff;
}

.top-link-button {
  font-weight: 600;
}

.drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 19;
  background: rgba(17, 17, 17, 0.18);
  backdrop-filter: blur(4px);
}

.mobile-only,
.mobile-only-control {
  display: none;
}

.desktop-only {
  display: inline-flex;
}

.layout-shell.sidebar-collapsed .history-drawer {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-28px);
}

@media (max-width: 1180px) {
  .participant-grid-tight {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .provider-picker {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .layout-shell,
  .layout-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .history-drawer {
    position: fixed;
    top: 16px;
    left: 16px;
    width: min(340px, calc(100vw - 32px));
    height: calc(100vh - 32px);
    max-height: calc(100vh - 32px);
    transform: translateX(calc(-100% - 20px));
    transition: transform 180ms ease;
    z-index: 20;
  }

  .history-drawer.open {
    transform: translateX(0);
  }

  .mobile-only,
  .mobile-only-control {
    display: inline-flex;
  }

  .desktop-only {
    display: none !important;
  }

  .menu-label {
    display: inline;
  }

  .topbar {
    padding-top: 0;
  }

  .participant-grid-tight,
  .controls-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 12px;
  }

  .top-links {
    gap: 10px;
    font-size: 0.84rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .arena-title {
    font-size: 3.5rem;
  }

  .arena-question {
    font-size: 2rem;
  }

  .composer-stage,
  .detail-shell,
  .policy-card,
  .auth-card {
    padding: 18px;
  }

  .provider-picker,
  .participant-grid-tight,
  .controls-row {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .picker-header,
  .turn-feed-top,
  .summary-head,
  .account-row,
  .account-actions,
  .billing-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .conversation-header-stacked,
  .summary-head-centered {
    align-items: center;
    text-align: center;
  }

  .turn-body {
    padding-left: 0;
  }
}