:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #172033;
  --muted: #5d687c;
  --line: #dbe2ea;
  --surface: #ffffff;
  --surface-soft: #f5f7fa;
  --surface-tint: #eef3ff;
  --accent: #3458d4;
  --accent-strong: #263fa3;
  --focus: #6b8afd;
  --support: #0f8a4f;
  background: var(--surface-soft);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: linear-gradient(180deg, #fbfcfe 0%, #f5f7fa 46%, #ffffff 100%); color: var(--ink); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
}
.skip-link:focus { transform: translateY(0); }

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgb(219 226 234 / 80%);
  background: rgb(255 255 255 / 88%);
  backdrop-filter: blur(18px);
}
.topbar__inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 820;
  letter-spacing: -0.025em;
  text-decoration: none;
}
.brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--ink);
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 8px 22px rgb(23 32 51 / 16%);
}
.topbar__nav {
  justify-self: center;
  display: flex;
  gap: 8px;
}
.topbar__nav a,
.site-footer a,
.language-menu a {
  padding: 9px 11px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 650;
  text-decoration: none;
}
.topbar__nav a:hover,
.site-footer a:hover,
.language-menu a:hover { color: var(--ink); background: var(--surface-soft); }
.topbar__actions { display: flex; align-items: center; gap: 14px; }
.topbar__support-link {
  color: #0F8A4F;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
.topbar__support-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.language-menu { position: relative; }
.language-menu summary {
  list-style: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 170px;
  padding: 8px;
  display: grid;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 22px 60px rgb(23 32 51 / 14%);
}
.language-menu__panel a[aria-current="page"] { color: var(--ink); background: var(--surface-tint); }

.marketing-main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: clamp(44px, 7vw, 90px);
  padding: clamp(72px, 10vw, 126px) 0 90px;
}
.hero__copy { max-width: 690px; }
.eyebrow,
.content-band__label {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  line-height: 0.97;
  letter-spacing: -0.058em;
  text-wrap: balance;
}
.hero__lead {
  max-width: 62ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.68;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 760;
  text-decoration: none;
}
.button--primary { background: var(--ink); color: #fff; box-shadow: 0 12px 30px rgb(23 32 51 / 17%); }
.button--primary:hover { background: #253149; }
.button--quiet { border: 1px solid var(--line); background: #fff; color: var(--ink); }

.hero__panel {
  border-radius: 30px;
  padding: clamp(24px, 4vw, 46px);
  background:
    radial-gradient(circle at 10% 10%, rgb(255 255 255 / 88%), transparent 42%),
    linear-gradient(145deg, #dce6ff, #f2ecff 55%, #e7f7ef);
  box-shadow: inset 0 0 0 1px rgb(52 88 212 / 9%), 0 35px 90px rgb(50 70 110 / 12%);
}
.mini-window {
  overflow: hidden;
  border: 1px solid rgb(219 226 234 / 85%);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 24px 70px rgb(23 32 51 / 16%);
  transform: rotate(1.4deg);
}
.mini-window__bar { display: flex; gap: 6px; padding: 14px 16px; border-bottom: 1px solid #edf0f4; background: #fafbfc; }
.mini-window__bar span { width: 8px; height: 8px; border-radius: 50%; background: #ccd3de; }
.mini-window__content { padding: 34px; }
.mini-window__line { height: 13px; width: 84%; border-radius: 20px; background: #e3e8f0; margin-bottom: 12px; }
.mini-window__line--short { width: 52%; height: 20px; background: #202b40; }
.mini-window__choice { display: grid; grid-template-columns: 22px 1fr; align-items: center; gap: 13px; padding: 13px 0; }
.mini-window__choice i { width: 21px; height: 21px; border: 2px solid #aeb9ca; border-radius: 50%; }
.mini-window__choice b { display: block; height: 11px; width: 72%; border-radius: 20px; background: #edf0f4; }
.mini-window__button { width: 110px; height: 40px; margin-top: 20px; border-radius: 10px; background: var(--accent); }

.content-band {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 44px;
  margin: 0 0 46px;
  padding: clamp(34px, 6vw, 72px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 20px 70px rgb(23 32 51 / 6%);
}
.content-band h2,
.feature-card h2 { margin: 0; letter-spacing: -0.035em; }
.content-band h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }
.content-band p { max-width: 68ch; margin: 18px 0 0; color: var(--muted); line-height: 1.75; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0 0 90px; }
.feature-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}
.feature-card:hover { transform: translateY(-3px); border-color: #bac6da; box-shadow: 0 18px 50px rgb(23 32 51 / 8%); }
.feature-card__number { display: block; margin-bottom: 54px; color: var(--accent); font-size: 0.8rem; font-weight: 850; letter-spacing: 0.12em; }
.feature-card h2 { font-size: 1.32rem; }
.feature-card p { color: var(--muted); line-height: 1.6; }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.site-footer__inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0;
  display: flex;
  justify-content: space-between;
  gap: 28px;
}
.site-footer p { max-width: 58ch; margin: 8px 0 0; color: var(--muted); line-height: 1.6; }
.site-footer nav { display: flex; align-items: flex-start; gap: 4px; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

@media (max-width: 900px) {
  .topbar__inner { grid-template-columns: 1fr auto; }
  .topbar__nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 70px; }
  .hero__panel { max-width: 620px; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .topbar__inner { width: min(100% - 24px, 1180px); min-height: 66px; grid-template-columns: 1fr; gap: 10px; padding: 10px 0; }
  .brand__mark { width: 31px; height: 31px; }
  .topbar__actions { width: 100%; gap: 10px; flex-wrap: wrap; justify-content: flex-start; padding-bottom: 2px; }
  .topbar__support-link { font-size: 0.82rem; }
  .language-menu summary { font-size: 0.82rem; }
  .marketing-main { width: min(100% - 24px, 1180px); }
  .hero { gap: 42px; padding: 56px 0 62px; }
  h1 { font-size: clamp(2.45rem, 13vw, 4rem); }
  .hero__lead { font-size: 1.02rem; }
  .hero__panel { padding: 18px; border-radius: 22px; }
  .mini-window__content { padding: 24px; }
  .content-band { grid-template-columns: 1fr; gap: 12px; padding: 28px; border-radius: 20px; }
  .feature-card { min-height: 220px; }
  .site-footer__inner { flex-direction: column; }
  .site-footer nav { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* Owner account/auth surfaces */
.topbar__account-link {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 720;
  text-decoration: none;
  white-space: nowrap;
}
.topbar__account-link--primary {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.account-shell { min-height: 100vh; background: linear-gradient(145deg, #f6f8fc 0%, #ffffff 55%, #eef3ff 100%); }
.account-topbar {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.account-topbar__nav { display: flex; align-items: center; gap: 12px; }
.account-topbar__nav a, .link-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.link-button { padding: 8px 0; }
.account-main { width: min(960px, calc(100% - 32px)); margin: 0 auto; padding: clamp(44px, 8vw, 92px) 0 90px; }
.auth-card {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 6vw, 52px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgb(255 255 255 / 94%);
  box-shadow: 0 28px 90px rgb(23 32 51 / 10%);
}
.account-heading { margin: 0; font-size: clamp(2rem, 5vw, 3.35rem); line-height: 1.02; letter-spacing: -0.045em; }
.account-lead { margin: 18px 0 0; color: var(--muted); line-height: 1.65; }
.notice { margin: 22px 0; padding: 14px 16px; border-radius: 12px; background: var(--surface-soft); color: var(--muted); line-height: 1.5; }
.notice--important { border: 1px solid #e7d8ad; background: #fff9e7; color: #5c4b1f; }
.form-errors { margin: 20px 0; padding: 14px 16px; border: 1px solid #efc5c5; border-radius: 12px; background: #fff4f4; color: #7d2525; }
.form-errors ul { margin: 0; padding-left: 20px; }
.account-form { display: grid; gap: 18px; margin-top: 24px; }
.account-form label { display: grid; gap: 8px; color: var(--ink); font-size: 0.92rem; font-weight: 750; }
.account-form input {
  width: 100%; min-height: 48px; padding: 10px 12px;
  border: 1px solid #cbd4df; border-radius: 11px; background: #fff; color: var(--ink);
}
.account-form input:focus { border-color: var(--focus); outline: 3px solid rgb(107 138 253 / 18%); }
.account-form--compact { margin: 16px 0; }
.field-help, .auth-switch { color: var(--muted); font-size: 0.9rem; line-height: 1.55; }
.auth-switch { margin: 24px 0 0; }
.language-inline { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.language-inline a { padding: 7px 9px; border-radius: 8px; color: var(--muted); font-size: 0.86rem; font-weight: 700; text-decoration: none; }
.language-inline a:hover { background: var(--surface-soft); color: var(--ink); }
.flash-stack { width: min(760px, 100%); margin: 0 auto 20px; display: grid; gap: 8px; }
.flash { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; }
.flash--success { border-color: #b8dfc8; background: #f0fbf4; }
.flash--error { border-color: #efc5c5; background: #fff4f4; }
.dashboard-shell { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 48px; min-height: 520px; }
.dashboard-placeholder { padding: 34px; border: 1px dashed #b9c5d6; border-radius: 22px; background: rgb(255 255 255 / 70%); }
.dashboard-placeholder span { display: block; margin-bottom: 22px; font-size: 2rem; color: var(--accent); }
.dashboard-placeholder p { color: var(--muted); line-height: 1.6; }
.account-settings { display: grid; gap: 32px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.settings-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.settings-card h2 { margin-top: 0; }
.settings-card p { color: var(--muted); line-height: 1.55; }
.settings-card--danger { border-color: #ebcaca; }
.button--small { min-height: 38px; padding: 0 13px; }
.button--danger { border: 0; background: #9f2f2f; color: #fff; }
.button--danger:hover { background: #822525; }
@media (max-width: 900px) {
  .topbar__account-link { display: none; }
  .dashboard-shell, .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .account-topbar, .account-main { width: min(100% - 24px, 960px); }
  .account-topbar { min-height: 64px; flex-wrap: wrap; align-items: center; padding: 10px 0; }
  .auth-card { padding: 26px 20px; border-radius: 20px; }
  .account-topbar__nav { width: 100%; gap: 10px; flex-wrap: wrap; justify-content: flex-start; padding-bottom: 2px; }
}

/* Survey builder surfaces */
.dashboard-shell--surveys { grid-template-columns: 1.05fr 0.95fr; min-height: 390px; }
.dashboard-intro { max-width: 650px; }
.create-survey-card,
.builder-panel,
.builder-sidebar__card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 20px 70px rgb(23 32 51 / 6%);
}
.create-survey-card { display: grid; gap: 18px; padding: 28px; }
.create-survey-card h2 { margin: 5px 0 0; font-size: 1.5rem; letter-spacing: -0.025em; }
.create-survey-card p { margin: 8px 0 0; color: var(--muted); line-height: 1.55; }
.create-survey-card label,
.builder-form label,
.compact-form label,
.question-editor label,
.add-question-form label,
.conflict-local-state { display: grid; gap: 7px; font-size: 0.9rem; font-weight: 740; color: var(--ink); }
.create-survey-card input,
.builder-form input,
.builder-form textarea,
.builder-form select,
.compact-form select,
.question-editor input,
.question-editor textarea,
.question-editor select,
.add-question-form input,
.add-question-form select,
.conflict-local-state textarea {
  width: 100%; min-height: 44px; padding: 10px 12px;
  border: 1px solid #cbd4df; border-radius: 10px; background: #fff; color: var(--ink);
  font: inherit;
}
.builder-form textarea,
.question-editor textarea,
.conflict-local-state textarea { resize: vertical; line-height: 1.5; }
.create-survey-card input:focus,
.builder-form input:focus, .builder-form textarea:focus, .builder-form select:focus,
.compact-form select:focus,
.question-editor input:focus, .question-editor textarea:focus, .question-editor select:focus,
.add-question-form input:focus, .add-question-form select:focus,
.conflict-local-state textarea:focus { border-color: var(--focus); outline: 3px solid rgb(107 138 253 / 18%); }
.survey-list-section { margin-top: 18px; padding-bottom: 80px; }
.section-heading-row { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; }
.section-heading-row h2 { margin: 3px 0 0; font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.03em; }
.survey-list { display: grid; gap: 10px; }
.survey-list__item {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff;
  color: var(--ink); text-decoration: none; transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}
.survey-list__item:hover { transform: translateY(-1px); border-color: #b8c5d7; box-shadow: 0 10px 28px rgb(23 32 51 / 7%); }
.survey-list__item strong { display: block; font-size: 1.05rem; }
.survey-list__item > div > span { display: block; margin-top: 4px; color: var(--muted); font-size: 0.8rem; }
.survey-list__meta { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 0.82rem; }
.status-chip {
  display: inline-flex; align-items: center; min-height: 27px; padding: 3px 9px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface-soft);
  color: var(--muted); font-size: 0.75rem; font-weight: 780; text-transform: capitalize; white-space: nowrap;
}
.status-chip--draft { border-color: #c8d6ef; background: #f2f6ff; color: #34568f; }
.status-chip--open, .status-chip--valid { border-color: #b7dfc8; background: #f0fbf4; color: #24633d; }
.status-chip--closed { border-color: #e8d9ad; background: #fff9e8; color: #705719; }
.status-chip--archived { border-color: #d4d5da; background: #f5f5f7; color: #60646d; }
.status-chip--warning { border-color: #efc5c5; background: #fff4f4; color: #8a2929; }
.empty-state { padding: 34px; border: 1px dashed #bac6d7; border-radius: 18px; background: rgb(255 255 255 / 65%); }
.empty-state span { display: block; margin-bottom: 14px; color: var(--accent); font-size: 1.8rem; }
.empty-state p { margin-bottom: 0; color: var(--muted); line-height: 1.55; }
.builder-header { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: end; margin-bottom: 34px; }
.back-link { display: inline-flex; margin-bottom: 26px; color: var(--muted); font-weight: 700; text-decoration: none; }
.builder-title-row { display: flex; justify-content: space-between; align-items: start; gap: 24px; }
.builder-status-stack { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.builder-header__actions { display: flex; align-items: center; gap: 10px; }
.builder-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 22px; align-items: start; }
.builder-sidebar { position: sticky; top: 20px; display: grid; gap: 14px; }
.builder-sidebar__card { padding: 18px; box-shadow: none; border-radius: 16px; }
.definition-summary { margin: 14px 0 0; display: grid; gap: 10px; }
.definition-summary div { display: flex; justify-content: space-between; gap: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.definition-summary dt { color: var(--muted); }
.definition-summary dd { margin: 0; font-weight: 750; }
.compact-form { display: grid; gap: 13px; }
.compact-form .field-help { margin: 0; }
.builder-main { display: grid; gap: 20px; min-width: 0; }
.builder-panel { padding: clamp(22px, 4vw, 34px); }
.builder-form { display: grid; gap: 17px; }
.builder-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.builder-form-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.read-only-copy { padding: 16px; border-radius: 12px; background: var(--surface-soft); color: var(--muted); line-height: 1.6; }
.add-question-form { display: grid; grid-template-columns: 210px minmax(0, 1fr) auto; gap: 12px; align-items: end; margin-bottom: 22px; padding: 18px; border-radius: 15px; background: var(--surface-soft); }
.add-question-form__prompt { min-width: 0; }
.question-stack { display: grid; gap: 16px; }
.question-card { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.question-card--invalid { border-color: #e7bcbc; }
.question-card__head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 17px 18px; background: #fafbfc; border-bottom: 1px solid var(--line); }
.question-card__head > div { display: flex; align-items: center; gap: 12px; min-width: 0; }
.question-card__head strong { display: block; overflow-wrap: anywhere; }
.question-card__head span:not(.question-number):not(.status-chip) { display: block; margin-top: 4px; color: var(--muted); font-size: 0.78rem; }
.question-number { display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 10px; background: #eaf0ff; color: #3858a6; font-weight: 820; }
.question-errors { padding: 12px 18px; background: #fff4f4; color: #7d2525; font-size: 0.88rem; }
.question-errors ul { margin: 0; padding-left: 20px; }
.question-editor { display: grid; gap: 14px; padding: 19px; }
.check-row { display: flex !important; align-items: center; gap: 9px !important; }
.check-row input { width: 18px !important; min-height: 18px !important; padding: 0 !important; }
.question-card__actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); background: #fafbfc; }
.mini-action { min-height: 34px; padding: 6px 10px; border: 1px solid #ccd5e1; border-radius: 8px; background: #fff; color: var(--muted); font-weight: 700; cursor: pointer; }
.mini-action:hover:not(:disabled) { border-color: #aab9ce; color: var(--ink); }
.mini-action:disabled { opacity: 0.4; cursor: default; }
.mini-action--danger { color: #923333; }
.read-only-question { padding: 18px; color: var(--muted); }
.builder-panel--lifecycle { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.builder-panel--lifecycle h2 { margin: 4px 0 8px; }
.builder-panel--lifecycle p:last-child { max-width: 62ch; color: var(--muted); line-height: 1.55; }
.lifecycle-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.conflict-card { width: min(720px, 100%); }
.conflict-local-state { margin: 22px 0; }
.conflict-local-state textarea { min-height: 210px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; }

@media (max-width: 900px) {
  .dashboard-shell--surveys, .builder-layout { grid-template-columns: 1fr; }
  .builder-sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .builder-header { grid-template-columns: 1fr; align-items: start; }
  .builder-header__actions { justify-content: flex-start; }
  .add-question-form { grid-template-columns: 1fr 1fr; }
  .add-question-form .button { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .survey-list__item, .section-heading-row, .builder-title-row, .builder-panel--lifecycle { align-items: flex-start; flex-direction: column; }
  .survey-list__meta { flex-wrap: wrap; }
  .builder-status-stack { justify-content: flex-start; }
  .builder-sidebar { grid-template-columns: 1fr; }
  .builder-form-grid, .builder-form-grid--three, .add-question-form { grid-template-columns: 1fr; }
  .add-question-form .button { grid-column: auto; }
  .question-card__head { align-items: flex-start; }
  .question-card__head > div { align-items: flex-start; }
  .question-card__actions { display: grid; grid-template-columns: 1fr 1fr; }
  .question-card__actions form, .question-card__actions button { width: 100%; }
  .lifecycle-actions { justify-content: flex-start; }
}

/* Respondent experience */
.respondent-body { background: #f4f6f9; min-height: 100vh; }
.respondent-shell { width: min(760px, calc(100% - 28px)); margin: 0 auto; padding: 24px 0 64px; }
.respondent-shell--landing { min-height: 100vh; display: grid; place-items: center; padding: 32px 0; }
.respondent-topline { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 10px 2px 20px; color: var(--muted); font-size: .92rem; }
.respondent-topline strong { color: var(--ink); }
.respondent-save-state { min-width: 70px; text-align: right; font-weight: 750; }
.respondent-card { border: 1px solid var(--line); border-radius: 24px; background: #fff; padding: clamp(24px, 6vw, 48px); box-shadow: 0 24px 70px rgb(23 32 51 / 7%); }
.respondent-card--intro { width: min(680px, 100%); }
.respondent-brand { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 44px; font-weight: 800; }
.respondent-title, .respondent-status-title { margin: 0; font-size: clamp(2rem, 7vw, 3.6rem); line-height: 1.02; letter-spacing: -.045em; }
.respondent-question { margin: 0; max-width: 22ch; font-size: clamp(1.65rem, 5vw, 2.7rem); line-height: 1.08; letter-spacing: -.035em; }
.respondent-intro, .respondent-help { color: var(--muted); line-height: 1.7; white-space: pre-line; }
.respondent-intro { margin: 22px 0 30px; font-size: 1.05rem; }
.respondent-help--question { margin: 12px 0 8px; }
.respondent-primary { min-width: 150px; border: 0; cursor: pointer; }
.respondent-progress { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; margin-bottom: 34px; color: var(--muted); font-size: .85rem; font-weight: 700; }
.respondent-progress progress { width: 100%; height: 7px; border: 0; }
.respondent-control { display: grid; gap: 10px; margin: 30px 0 10px; }
.choice-row { display: flex; align-items: flex-start; gap: 13px; padding: 15px 16px; border: 1px solid var(--line); border-radius: 14px; cursor: pointer; }
.choice-row:has(input:checked) { border-color: #8ba0ec; background: #f2f5ff; }
.choice-row input { margin-top: 3px; transform: scale(1.15); }
.rating-row { display: flex; flex-wrap: wrap; gap: 10px; }
.rating-choice input { position: absolute; opacity: 0; }
.rating-choice span { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; font-weight: 800; cursor: pointer; }
.rating-choice input:checked + span { border-color: var(--accent); background: var(--surface-tint); color: var(--accent-strong); }
.matrix-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(160px, .8fr); gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.matrix-row select, .text-answer { width: 100%; padding: 12px 13px; border: 1px solid #cbd4e0; border-radius: 11px; background: #fff; }
.association-row { border: 1px solid var(--line); border-radius: 14px; padding: 15px; display: flex; flex-wrap: wrap; gap: 12px 18px; }
.association-row legend { padding: 0 6px; font-weight: 800; }
.ranking-control { display: grid; gap: 8px; }
.ranking-row { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: 13px; }
.ranking-position { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-soft); font-weight: 850; }
.respondent-secondary-row { min-height: 36px; display: flex; justify-content: flex-end; }
.text-button { border: 0; background: transparent; color: var(--muted); text-decoration: underline; cursor: pointer; }
.respondent-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 30px; }
.respondent-actions .button { border: 0; cursor: pointer; }
.required-note { display: inline-block; margin: 12px 0 0; padding: 4px 8px; border-radius: 7px; background: #fff1f1; color: #9c2c2c; font-size: .78rem; font-weight: 800; }
.respondent-form-error { margin-top: 16px; padding: 12px 14px; border-radius: 12px; background: #fff1f1; color: #8f2727; }
.preview-badge { display: inline-block; margin-right: 8px; padding: 4px 8px; border-radius: 999px; background: #fff1c8; color: #795b00; font-size: .75rem; font-weight: 850; }
.review-list { margin: 28px 0; border-top: 1px solid var(--line); }
.review-row { display: flex; justify-content: space-between; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.review-row span { flex: none; color: var(--muted); }
.completion-mark { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 18px; background: #e9f8ef; color: #147944; font-size: 1.8rem; font-weight: 900; }
@media (max-width: 520px) {
  .respondent-shell { width: min(100% - 18px, 760px); padding-top: 10px; }
  .respondent-card { border-radius: 18px; padding: 22px 18px; }
  .matrix-row { grid-template-columns: 1fr; gap: 8px; }
  .respondent-actions .button { flex: 1; }
  .review-row { display: grid; gap: 6px; }
}

/* Owner results surfaces */
.results-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 30px;
}
.results-header__meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.results-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}
.metric-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 42px rgb(23 32 51 / 5%);
}
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card span { font-size: 0.84rem; font-weight: 780; text-transform: uppercase; letter-spacing: 0.06em; }
.metric-card strong { display: block; margin: 8px 0 4px; font-size: clamp(1.9rem, 5vw, 3rem); letter-spacing: -0.04em; }
.metric-card small { font-size: 0.84rem; }
.results-empty {
  padding: clamp(34px, 7vw, 70px);
  border: 1px dashed #bac6d7;
  border-radius: 24px;
  background: rgb(255 255 255 / 74%);
  text-align: center;
}
.results-empty > span { display: block; margin-bottom: 14px; color: var(--accent); font-size: 2.25rem; }
.results-empty h2 { margin: 0; font-size: 1.55rem; }
.results-empty p { max-width: 58ch; margin: 12px auto 0; color: var(--muted); line-height: 1.6; }
.results-stack { display: grid; gap: 18px; padding-bottom: 70px; }
.result-card {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 18px 54px rgb(23 32 51 / 5%);
}
.result-card__header {
  display: flex;
  justify-content: space-between;
  gap: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.result-card__header > div:first-child { display: flex; gap: 14px; min-width: 0; }
.result-card__header h2 { margin: 0; font-size: clamp(1.2rem, 2.5vw, 1.55rem); letter-spacing: -0.025em; }
.result-card__header p { margin: 5px 0 0; color: var(--muted); font-size: 0.86rem; text-transform: capitalize; }
.result-counts { display: grid; grid-template-columns: repeat(3, auto); gap: 16px; margin: 0; }
.result-counts div { min-width: 68px; }
.result-counts dt { color: var(--muted); font-size: 0.75rem; font-weight: 760; text-transform: uppercase; letter-spacing: 0.05em; }
.result-counts dd { margin: 3px 0 0; font-size: 1.25rem; font-weight: 820; }
.result-counts--standalone { padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.result-bars { display: grid; gap: 14px; margin-top: 24px; }
.result-bars--compact { max-width: 760px; }
.result-bar-row { display: grid; gap: 7px; }
.result-bar-row__label { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.result-bar-row__label strong { font-size: 0.94rem; }
.result-bar-row__label span { color: var(--muted); font-size: 0.84rem; white-space: nowrap; }
.result-bar { height: 9px; overflow: hidden; border-radius: 999px; background: #edf1f7; }
.result-bar span { display: block; width: min(var(--bar-percent), 100%); height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #7594ff); }
.result-callout { display: inline-flex; align-items: baseline; gap: 14px; margin-top: 24px; padding: 12px 16px; border-radius: 14px; background: var(--surface-soft); }
.result-callout span { color: var(--muted); font-weight: 750; }
.result-callout strong { font-size: 1.65rem; letter-spacing: -0.03em; }
.result-table-wrap { margin-top: 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.result-table { width: 100%; border-collapse: collapse; min-width: 520px; }
.result-table th, .result-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.result-table thead th { background: var(--surface-soft); color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.result-table tbody th { font-size: 0.9rem; }
.result-table td strong, .result-table td span { display: block; }
.result-table td span { margin-top: 2px; color: var(--muted); font-size: 0.78rem; }
.result-table tr:last-child th, .result-table tr:last-child td { border-bottom: 0; }
.association-results { display: grid; gap: 18px; margin-top: 24px; }
.association-result-item { padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: #fbfcff; }
.association-result-item h3 { margin: 0 0 12px; font-size: 1rem; }
.association-region-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.association-region-grid div { padding: 10px 11px; border-radius: 10px; background: #fff; border: 1px solid #e5eaf2; }
.association-region-grid span, .association-region-grid strong, .association-region-grid small { display: block; }
.association-region-grid span { min-height: 2.4em; color: var(--muted); font-size: 0.78rem; line-height: 1.2; }
.association-region-grid strong { margin-top: 5px; font-size: 1.2rem; }
.association-region-grid small { color: var(--muted); }
.ranking-results { display: grid; gap: 10px; margin-top: 24px; }
.ranking-result-row { padding: 15px 16px; border: 1px solid var(--line); border-radius: 13px; }
.ranking-result-row > strong { display: block; }
.ranking-result-row > span { display: block; margin-top: 3px; color: var(--muted); font-size: 0.86rem; }
.rank-distribution { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.rank-distribution span { padding: 5px 8px; border-radius: 8px; background: var(--surface-soft); color: var(--muted); font-size: 0.76rem; }
.text-result-sample { display: grid; gap: 10px; margin: 24px 0 16px; }
.text-result-sample blockquote { margin: 0; padding: 14px 16px; border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; background: var(--surface-soft); white-space: pre-wrap; line-height: 1.55; }
.result-muted, .result-denominator-note { color: var(--muted); font-size: 0.84rem; }
.result-denominator-note { margin: 20px 0 0; }
.text-response-list { display: grid; gap: 12px; padding-bottom: 20px; }
.text-response-card { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.text-response-card__meta { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 0.78rem; }
.text-response-card p { margin: 13px 0 0; white-space: pre-wrap; line-height: 1.65; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 10px 0 70px; color: var(--muted); }

@media (max-width: 760px) {
  .results-header, .result-card__header { align-items: stretch; flex-direction: column; }
  .results-header__meta { justify-content: flex-start; }
  .results-summary { grid-template-columns: 1fr; }
  .result-counts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .result-counts div { min-width: 0; }
}
@media (max-width: 480px) {
  .result-card { padding: 18px; border-radius: 18px; }
  .result-counts { gap: 8px; }
  .result-counts dt { font-size: 0.66rem; }
  .result-counts dd { font-size: 1.05rem; }
  .text-response-card__meta { flex-direction: column; gap: 3px; }
  .pagination { flex-wrap: wrap; }
}
.result-progress { width: 100%; height: 9px; border: 0; border-radius: 999px; overflow: hidden; background: #edf1f7; appearance: none; }
.result-progress::-webkit-progress-bar { background: #edf1f7; border-radius: 999px; }
.result-progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
.result-progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }

/* Phase 7 conditional/piping authoring */
.dependency-editor { border: 1px solid var(--line); border-radius: 14px; background: var(--surface-soft, #f8fafc); overflow: hidden; }
.dependency-editor > summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; font-weight: 700; }
.dependency-editor__body { display: grid; gap: 14px; padding: 0 16px 16px; }
.dependency-editor__body h3 { margin: 2px 0 4px; font-size: 1rem; }
.paid-feature-note { margin: 0; padding: 10px 12px; border-radius: 10px; background: #fff7ed; border: 1px solid #fed7aa; }
.pipe-guide { display: grid; gap: 10px; padding-top: 4px; }
.pipe-token-list { display: grid; gap: 9px; }
.pipe-token-source { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface, #fff); }
.pipe-token-source strong { width: 100%; font-size: .9rem; }
.pipe-token-source code { overflow-wrap: anywhere; font-size: .8rem; }
.status-chip--paid { background: #eef2ff; }
.respondent-live-notice { margin: 0 0 12px; font-size: .92rem; color: var(--muted); }
.question-card__dependency { margin-top: 8px; font-size: .85rem; color: var(--muted); }
@media (max-width: 620px) { .dependency-editor > summary { align-items: flex-start; } .pipe-token-source { align-items: flex-start; } }

/* Research Rill brand lockup and Ko-fi survey-unlock flow */
.brand__text { display: grid; gap: 1px; line-height: 1.05; }
.brand__name { font-weight: 850; letter-spacing: -0.025em; }
.brand__descriptor { color: var(--muted); font-size: 0.68rem; font-weight: 720; letter-spacing: 0; }
.site-footer__descriptor { display: block; margin-top: 2px; color: var(--muted); font-size: 0.8rem; font-weight: 700; }
.payment-unlock { width: min(760px, 100%); min-width: 0; }
.payment-unlock .account-heading { overflow-wrap: anywhere; }
.payment-unlock__summary { margin: 20px 0; }
.payment-steps { display: grid; gap: 12px; margin: 24px 0; }
.payment-steps > div { display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: start; }
.payment-steps > div > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 10px; background: var(--ink); color: #fff; font-weight: 850; }
.payment-steps p { margin: 3px 0 0; line-height: 1.55; }
.payment-code-label { display: grid; gap: 8px; margin: 20px 0; font-weight: 800; }
.payment-code { width: 100%; min-width: 0; padding: 13px 14px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.payment-events { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.payment-events ul { margin: 10px 0 0; padding-left: 20px; color: var(--muted); }
@media (max-width: 520px) {
  .brand__descriptor { font-size: 0.62rem; }
  .payment-steps > div { grid-template-columns: 28px 1fr; }
}


.help-contents {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.help-contents a {
  display: block;
  overflow-wrap: anywhere;
}

.help-section {
  scroll-margin-top: 1rem;
}

.help-section > :last-child {
  margin-bottom: 0;
}

.help-section li + li {
  margin-top: 0.55rem;
}

.help-definition-list {
  grid-template-columns: 1fr;
}

.help-definition-list div {
  align-items: start;
  gap: 0.35rem;
}


/* Public abuse-report intake stays compact, touch-friendly, and page-local. */
.respondent-footer {
  width: min(760px, calc(100% - 32px));
  margin: -20px auto 32px;
  text-align: center;
}
.respondent-footer a {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}
.locale-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: .9rem;
}
.locale-switcher a {
  color: var(--ink);
  font-weight: 700;
}
.locale-switcher a[aria-current="page"] {
  text-decoration-thickness: 2px;
}
.form-alert {
  margin: 16px 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.form-alert--error {
  border-color: #efc5c5;
  background: #fff4f4;
}

/* Policy and launch-help surfaces */
.policy-main { padding-bottom: 80px; }
.policy-hero {
  max-width: 860px;
  padding: clamp(54px, 8vw, 92px) 0 38px;
}
.policy-hero h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.policy-effective,
.policy-authoritative {
  max-width: 72ch;
  color: var(--muted);
  line-height: 1.65;
}
.policy-effective { margin: 24px 0 0; font-weight: 760; color: var(--ink); }
.policy-authoritative { margin: 8px 0 0; }
.policy-layout {
  display: grid;
  grid-template-columns: minmax(190px, 0.34fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
.policy-contents {
  position: sticky;
  top: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}
.policy-contents h2 { margin: 0 0 14px; font-size: 1rem; }
.policy-contents ol { margin: 0; padding-left: 20px; display: grid; gap: 9px; }
.policy-contents a { color: var(--muted); line-height: 1.35; }
.policy-sections { display: grid; gap: 16px; min-width: 0; }
.policy-section {
  scroll-margin-top: 24px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}
.policy-section h2 { margin: 0 0 14px; font-size: clamp(1.35rem, 2vw, 1.8rem); }
.policy-section p,
.policy-section li { color: var(--muted); line-height: 1.7; overflow-wrap: anywhere; }
.policy-section p { margin: 0 0 14px; }
.policy-section ul { margin: 0; padding-left: 22px; display: grid; gap: 10px; }
.policy-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin: 28px 0 0;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
}
.policy-related a { font-weight: 720; }
.account-policy-footer {
  width: min(960px, calc(100% - 32px));
  margin: -48px auto 0;
  padding: 0 0 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}
.account-policy-footer a { color: var(--muted); font-size: 0.86rem; font-weight: 700; }

@media (max-width: 760px) {
  .policy-layout { grid-template-columns: 1fr; }
  .policy-contents { position: static; }
}
@media (max-width: 620px) {
  .policy-hero { padding-top: 42px; }
  .policy-section { border-radius: 16px; }
  .account-policy-footer { width: min(100% - 24px, 960px); margin-top: -50px; }
}