/* ============================================================
   Dev Retro · Editorial
   ============================================================ */
:root {
  --paper: #f4efe4;
  --paper-2: #efe9dc;
  --ink: #141210;
  --ink-2: #3d3935;
  --ink-3: #807a70;
  --rule: rgba(20, 18, 16, 0.12);
  --rule-strong: rgba(20, 18, 16, 0.28);
  --mark: #b84a2c;
  --mark-ink: #8a3820;

  --font-serif: "Instrument Serif", "Cormorant Garamond", ui-serif, Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --maxw: 720px;
  --maxw-wide: 860px;

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
}

::selection { background: var(--ink); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ============================================================
   Typography
   ============================================================ */
.serif { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.01em; }
.mono  { font-family: var(--font-mono); font-variant-ligatures: none; }

h1, h2, h3 { margin: 0; font-weight: 400; letter-spacing: -0.01em; }

.display {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
}
.display em {
  font-style: italic;
  color: var(--mark-ink);
  font-weight: 400;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.lede {
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 36em;
}

.muted { color: var(--ink-3); }

/* ============================================================
   Layout
   ============================================================ */
.page { min-height: 100dvh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.topbar .brand {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.topbar .brand .slash { color: var(--ink-3); padding: 0 0.5em; }
.topbar .spacer { flex: 1; }
.topbar .tool {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5rem 2rem 6rem;
}
.container.wide { max-width: var(--maxw-wide); }

/* ============================================================
   Buttons & links
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease), transform 140ms var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: transparent;
  padding-left: 0; padding-right: 0;
  position: relative;
}
.btn.ghost::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.35rem;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transform: scaleX(0.5);
  opacity: 0.35;
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}
.btn.ghost:hover { background: transparent; color: var(--ink); }
.btn.ghost:hover::after { transform: scaleX(1); opacity: 1; }

.btn.sm { padding: 0.55rem 0.9rem; font-size: 0.85rem; }
.btn .arrow { display: inline-block; transition: transform 180ms var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   Forms
   ============================================================ */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 2.5rem 0 1.25rem;
  max-width: 28rem;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

input[type="text"] {
  width: 100%;
  padding: 0.85rem 0;
  background: transparent;
  color: var(--ink);
  border: none;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: border-color 160ms var(--ease);
}
input[type="text"]:focus {
  outline: none;
  border-bottom-color: var(--mark);
  border-bottom-width: 2px;
  margin-bottom: -1px;
}
input[type="text"]::placeholder { color: var(--ink-3); text-transform: none; letter-spacing: 0; }

textarea {
  width: 100%;
  padding: 0.75rem 0;
  background: transparent;
  color: var(--ink);
  border: none;
  border-bottom: 1px solid var(--rule-strong);
  border-radius: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  resize: vertical;
  min-height: 3.2rem;
  transition: border-color 160ms var(--ease);
}
textarea:focus { outline: none; border-bottom-color: var(--ink); }
textarea::placeholder { color: var(--ink-3); font-style: italic; }

/* ============================================================
   Inline chips (login page, subtle)
   ============================================================ */
.inline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.inline-meta span { position: relative; }
.inline-meta span + span::before {
  content: "·";
  position: absolute;
  left: -0.9rem;
  color: var(--ink-3);
}

/* ============================================================
   Messages
   ============================================================ */
.msg {
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  border-left: 2px solid var(--mark);
  color: var(--ink-2);
  background: transparent;
}
.msg.ok { border-left-color: var(--ink); }
.msg.err { border-left-color: var(--mark); color: var(--mark-ink); }

.logged-line {
  margin-top: 2rem;
  font-size: 1rem;
  color: var(--ink-2);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.logged-line .q {
  font-family: var(--font-mono);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--ink);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

/* ============================================================
   Login page
   ============================================================ */
.login {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.login .frame {
  padding: 1.75rem 2rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.login .frame .divider { flex: 1; border-top: 1px solid var(--rule); margin: 0 1.5rem; transform: translateY(-0.35em); }
.login .center {
  max-width: 640px;
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
  width: 100%;
}
.login .footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  justify-content: space-between;
}

.fade-in { animation: fadeUp 600ms var(--ease) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ============================================================
   Survey — progress
   ============================================================ */
.progress-line {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 2px;
  background: var(--rule);
}
.progress-line .fill {
  height: 100%;
  width: 0%;
  background: var(--ink);
  transition: width 450ms var(--ease);
}

.progress-meta {
  position: sticky;
  top: 2px;
  z-index: 19;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.progress-meta b { color: var(--ink); font-weight: 500; }
.progress-meta .center-lbl { display: none; }

/* Sections */
.section {
  padding: 6rem 0 2rem;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 80px;
}
.section:first-of-type { border-top: none; padding-top: 3rem; }
.section-head { margin-bottom: 3rem; }
.section-head .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  display: block;
  margin-bottom: 1rem;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
}
.section-head h2 em { font-style: italic; color: var(--mark-ink); }

/* Question */
.q {
  padding: 2.25rem 0;
  border-top: 1px solid var(--rule);
}
.q:first-of-type { border-top: 1px solid var(--rule-strong); }
.q .qtext {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 1.5rem;
  max-width: 38em;
}

/* Scale: line with 5 numbered dots */
.scale {
  max-width: 520px;
}
.scale-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  padding: 0 1.1rem;
}
.scale-row::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  right: 1.1rem;
  top: 50%;
  height: 1px;
  background: var(--rule-strong);
  transform: translateY(-50%);
  z-index: 0;
}
.scale-opt {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0.25rem 0;
}
.scale-opt input { position: absolute; opacity: 0; pointer-events: none; }
.scale-opt .dot {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  transition: background 160ms var(--ease), color 160ms var(--ease), transform 160ms var(--ease), border-color 160ms var(--ease);
}
.scale-opt:hover .dot { transform: scale(1.06); }
.scale-opt:has(input:checked) .dot {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.scale-ends {
  display: flex;
  justify-content: space-between;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Choice variant: adaptive columns, labels under each dot */
.scale.scale-choice { max-width: 640px; }
.scale.scale-choice .scale-row {
  grid-template-columns: repeat(var(--opts, 4), 1fr);
  align-items: start;
  padding: 0.55rem 0.55rem 0;
}
.scale.scale-choice .scale-row::before {
  left: calc(100% / var(--opts, 4) / 2);
  right: calc(100% / var(--opts, 4) / 2);
  top: calc(0.55rem + 0.6rem);
  transform: none;
}
.scale.scale-choice .scale-opt .dot {
  width: 1.2rem;
  height: 1.2rem;
  font-size: 0;
}
.scale.scale-choice .opt-label {
  display: block;
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: center;
  line-height: 1.35;
  min-height: 2.4em;
  transition: color 160ms var(--ease);
  padding: 0 0.25rem;
}
.scale.scale-choice .scale-opt:has(input:checked) .opt-label {
  color: var(--ink);
}

/* Submit bar */
.submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem 0 1rem;
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
}
.submit-row .status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.submit-row .status b { color: var(--ink); font-weight: 500; }

.floating-submit {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
  transform: translateY(6px);
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.35);
}
.floating-submit.show { opacity: 1; pointer-events: auto; transform: none; }

/* ============================================================
   Thanks
   ============================================================ */
.thanks {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2rem;
  text-align: left;
}
.thanks .wrap { max-width: 520px; }
.thanks .mark {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 4rem;
  line-height: 1;
  color: var(--mark-ink);
  margin-bottom: 1.5rem;
}

/* ============================================================
   Results
   ============================================================ */
.stats-line {
  margin: 2.5rem 0 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: baseline;
}
.stats-line .stat { display: flex; flex-direction: column; gap: 0.15rem; }
.stats-line .stat .v {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stats-line .stat .v.accent { color: var(--mark-ink); font-style: italic; }
.stats-line .stat .k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.result-section { margin-top: 5rem; }
.result-section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 2rem;
}
.result-section-head .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}
.result-section-head h2 {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.result-item {
  padding: 1.75rem 0;
  border-top: 1px solid var(--rule);
}
.result-item:first-child { border-top: none; }
.result-item .ri-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  margin-bottom: 1rem;
}
.result-item .ri-title {
  font-size: 1.05rem;
  font-weight: 500;
  max-width: 42em;
}
.result-item .ri-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  white-space: nowrap;
}
.result-item .ri-meta .avg {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: 0;
}

.dist { display: flex; flex-direction: column; gap: 0.45rem; margin-top: 1rem; }
.dist-row {
  display: grid;
  grid-template-columns: 1.25rem 1fr 4.5rem;
  gap: 1rem;
  align-items: center;
}
.dist-row .label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-3);
}
.dist.dist-labeled .dist-row {
  grid-template-columns: minmax(8rem, 10rem) 1fr 4.5rem;
}
.dist.dist-labeled .dist-row .label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  line-height: 1.3;
}
.dist-row .track {
  height: 3px;
  background: var(--rule);
  overflow: hidden;
}
.dist-row .track .fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--ink);
  transform-origin: left;
  transition: width 700ms var(--ease);
}
.dist-row .count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-3);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.quote-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 1rem; }
.quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.45;
  padding-left: 1.25rem;
  border-left: 1px solid var(--ink);
  color: var(--ink);
  white-space: pre-wrap;
}

.empty {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 0.5rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .topbar, .login .frame, .login .footer, .progress-meta { padding-left: 1.25rem; padding-right: 1.25rem; }
  .container { padding: 3rem 1.25rem 5rem; }
  .login .center { padding: 2.5rem 1.25rem; }
  .section { padding-top: 3.5rem; }
  .section-head { margin-bottom: 2rem; }
  .scale-row { padding: 0 0.5rem; }
  .scale-opt .dot { width: 1.9rem; height: 1.9rem; font-size: 0.8rem; }
  .stats-line { gap: 1.5rem; }
  .stats-line .stat .v { font-size: 2rem; }
  .result-item .ri-head { flex-direction: column; gap: 0.35rem; }
  .submit-row { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .floating-submit { left: 1rem; right: 1rem; bottom: 1rem; }
  .floating-submit .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}