:root {
  /* Antique star-atlas plate: warm paper page, deep indigo engraved chart */
  --paper: #ece3cf;
  --paper-raised: #e1d5b7;
  --ink: #2b2018;
  --ink-dim: #5c4d36;
  --rule: #b9a47c;

  --plate: #161b2c;
  --plate-line: #2a3350;
  --plate-rule: #caa55c;

  --gold: #8a6d1f;
  --gold-bright: #d4af6a;
  --wax: #7a2e1f;

  --font-display: "Libre Caslon Display", serif;
  --font-heading: "Libre Caslon Text", serif;
  --font-body: "Source Serif 4", serif;
  --font-mono: "Space Mono", monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --ease-pop: cubic-bezier(0.2, 0.9, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

body {
  background-image: radial-gradient(circle at 12% 18%, rgba(138, 109, 31, 0.06) 0, transparent 40%),
    radial-gradient(circle at 88% 78%, rgba(122, 46, 31, 0.05) 0, transparent 38%),
    radial-gradient(circle at 92% 8%, rgba(43, 32, 24, 0.04) 0, transparent 30%);
  background-attachment: fixed;
}

a {
  color: var(--gold);
  text-decoration: none;
}

button {
  font-family: var(--font-mono);
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--rule);
}

.brand {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.brand::before {
  content: "\2734";
  display: inline-block;
  color: var(--gold);
  font-style: normal;
  margin-right: var(--space-2);
  font-size: 0.85em;
}

.topnav .nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: var(--space-1) var(--space-4);
  transition: color 150ms var(--ease-out), border-color 150ms var(--ease-out);
}

.topnav .nav-link:hover,
.topnav .nav-link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

#view-root {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-7) var(--space-5);
}

.view {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.view-wide {
  max-width: 760px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.headline {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 6vw, 3.25rem);
  color: var(--ink);
  text-align: center;
  margin: 0;
}

.headline-compact {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  color: var(--ink);
  text-align: left;
  margin: 0;
}

.hud-meta {
  text-align: right;
}

.subtext {
  color: var(--ink-dim);
  text-align: center;
  font-size: 1.08rem;
  line-height: 1.6;
  max-width: 480px;
}

.btn {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: background 150ms var(--ease-out), color 150ms var(--ease-out);
}

.btn-icon {
  flex-shrink: 0;
}

.btn:hover,
.btn:focus-visible {
  background: var(--paper);
  color: var(--ink);
}

.btn:active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--rule);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  background: transparent;
}

.panel {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: var(--space-5);
  width: 100%;
}

.guess-form {
  display: flex;
  gap: var(--space-3);
  width: 100%;
}

.guess-input {
  flex: 1;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.1rem;
  padding: var(--space-3) var(--space-4);
  outline: none;
  transition: border-color 150ms var(--ease-out);
}

.guess-input:focus-visible {
  border-color: var(--gold);
}

.guess-input::placeholder {
  color: var(--ink-dim);
  opacity: 0.7;
}

.hud {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  width: 100%;
}

.hud-score {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
}

.hud-timer {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--ink-dim);
  transition: color 400ms var(--ease-out);
}

.hud-timer.is-critical {
  color: var(--wax);
  animation: pulse-timer 1s var(--ease-out) infinite;
}

@keyframes pulse-timer {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

.latest-guess {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 1rem;
  background: var(--paper-raised);
  border: 1px solid var(--gold);
  border-radius: 2px;
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-4);
}

.latest-guess:empty {
  display: none;
}

.latest-guess .latest-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.latest-guess .word {
  font-family: var(--font-body);
  color: var(--ink);
  flex: 1;
}

.latest-guess .points {
  color: var(--gold);
  font-weight: 700;
}

.latest-guess.is-zero .points {
  color: var(--ink-dim);
}

.guess-feed {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.guess-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--rule);
  padding: var(--space-1) 0;
}

.guess-row .word {
  font-family: var(--font-body);
  color: var(--ink);
}

.guess-row.is-zero .word {
  color: var(--ink-dim);
}

.guess-row .points {
  color: var(--gold);
  font-weight: 700;
}

.guess-row.is-zero .points {
  color: var(--ink-dim);
}

.guess-row.is-latest {
  border-bottom-color: var(--gold);
}

.guess-row.is-latest .word {
  color: var(--gold);
}

.hint {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-dim);
  min-height: 1.2em;
}

.results-score-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0;
}

.results-score {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5rem);
  color: var(--gold);
  margin: 0;
}

.results-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.distribution-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.distribution-placement {
  text-align: right;
}

.distribution-placement-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--wax);
  margin: 0;
}

.histogram-wrap {
  position: relative;
  padding-top: 34px;
  padding-bottom: 28px;
}

.histogram {
  display: flex;
  align-items: flex-end;
  gap: var(--space-1);
  width: 100%;
  height: 140px;
  border-bottom: 1px solid var(--rule);
}

.histogram-line {
  position: absolute;
  top: 34px;
  height: 140px;
  width: 0;
  transform: translateX(-50%);
  pointer-events: none;
}

.histogram-line-avg {
  border-left: 2px dashed var(--ink-dim);
}

.histogram-line-mine {
  border-left: 3px solid var(--ink);
}

.histogram-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: var(--space-1);
}

.histogram-bar .bar {
  width: 100%;
  background: var(--gold);
  border-radius: 1px 1px 0 0;
  height: 0%;
  transition: height 500ms var(--ease-out);
}

.histogram-bar .bar.is-mine {
  background: var(--wax);
}

.histogram-labels {
  display: flex;
  width: 100%;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.histogram-labels span {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-dim);
  white-space: nowrap;
  overflow: visible;
}

.histogram-avg-label {
  position: absolute;
  top: 174px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-dim);
  white-space: nowrap;
  pointer-events: none;
}

.histogram-mine-label {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  pointer-events: none;
}

.histogram-label-mine-tag {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.histogram-label-avg-tag {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.archive-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: var(--space-4) var(--space-5);
  color: var(--ink);
  font-family: var(--font-body);
  cursor: pointer;
  transition: border-color 150ms var(--ease-out);
}

.archive-row:hover,
.archive-row:focus-visible {
  border-color: var(--gold);
}

.archive-row .date {
  font-family: var(--font-mono);
  color: var(--ink-dim);
  font-size: 0.92rem;
}

.archive-row .target {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.archive-row:hover .target {
  color: var(--gold);
}

.empty-state {
  color: var(--ink-dim);
  text-align: center;
}

.error-state {
  color: var(--wax);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}