:root {
  --bg: #101014;
  --surface: #1a1a20;
  --surface-2: #24242c;
  --text: #f2f0eb;
  --text-dim: #9a97a0;
  --accent: #e8a33d;
  --accent-dim: #8a6224;
  --green: #4caf6e;
  --track: #34343e;
  --radius: 10px;
}

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

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#app {
  height: 100dvh;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */

#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px 10px;
  flex: none;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 4px;
}

.header-meta {
  font-size: 13px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.dot-sep { margin: 0 6px; opacity: 0.5; }

.header-actions { display: flex; gap: 8px; }

.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--track);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.icon-btn:hover { color: var(--text); border-color: var(--text-dim); }

/* ---------- Photo ---------- */

#stage {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}

#photo-frame {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#photo {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

#photo-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 14px;
}

#no-puzzle {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 18px;
  text-align: center;
  padding: 20px;
}

.no-puzzle-sub { font-size: 14px; color: var(--text-dim); }

/* ---------- Controls ---------- */

#controls {
  flex: none;
  padding: 10px 0 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

#year-readout {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 64px;
  font-weight: 700;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  letter-spacing: 2px;
  color: var(--accent);
}

/* ---------- Slider ---------- */

#slider {
  width: 100%;
  padding: 14px 0 2px;
  cursor: pointer;
  touch-action: none;
  outline: none;
  border-radius: 8px;
}

#slider:focus-visible #thumb {
  box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.35);
}

#slider-track {
  position: relative;
  height: 10px;
  background: var(--track);
  border-radius: 5px;
}

#ticks { position: absolute; inset: 0; }

.tick {
  position: absolute;
  top: 100%;
  width: 1px;
  height: 5px;
  margin-top: 3px;
  background: var(--text-dim);
  opacity: 0.4;
}

.tick.major { height: 9px; opacity: 0.7; }

#tick-labels {
  position: relative;
  height: 18px;
  margin-top: 12px;
}

.tick-label {
  position: absolute;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

#thumb {
  position: absolute;
  top: 50%;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  transform: translate(-50%, -50%);
  cursor: grab;
  transition: box-shadow 0.15s;
}

#slider.dragging #thumb { cursor: grabbing; }

/* ---------- Hint ---------- */

.controls-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ghost-btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--track);
  border-radius: var(--radius);
  padding: 11px 18px;
  margin-top: 8px;
  cursor: pointer;
  letter-spacing: 0.5px;
}

.ghost-btn:hover:not(:disabled) { color: var(--text); border-color: var(--text-dim); }
.ghost-btn:disabled { opacity: 0.35; cursor: default; }

#hint-chips {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hint-chip {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 6px 18px;
  text-align: center;
  animation: rise 0.2s ease-out;
}

/* ---------- Buttons ---------- */

.primary-btn {
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  padding: 12px 36px;
  margin-top: 8px;
  cursor: pointer;
  letter-spacing: 0.5px;
}

.primary-btn:hover { filter: brightness(1.1); }
.primary-btn:active { transform: translateY(1px); }
.primary-btn:disabled { opacity: 0.4; cursor: default; }

/* ---------- Reveal ---------- */

#reveal {
  flex: none;
  padding: 12px 0 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  animation: rise 0.25s ease-out;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal-verdict {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-dim);
}

.reveal-years {
  display: flex;
  align-items: center;
  gap: 28px;
}

.reveal-year-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.reveal-year {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 44px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.reveal-year.accent { color: var(--accent); }

.reveal-error {
  font-size: 15px;
  color: var(--text-dim);
  align-self: flex-end;
  padding-bottom: 8px;
}

.reveal-points {
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.reveal-blurb {
  font-size: 15px;
  line-height: 1.45;
  max-width: 560px;
  color: var(--text);
}

.reveal-credit {
  font-size: 12px;
  color: var(--text-dim);
}

/* ---------- Results ---------- */

#results {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 24px 0 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  animation: rise 0.3s ease-out;
}

.results-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
}

.results-grid {
  font-size: 40px;
  letter-spacing: 6px;
  line-height: 1.2;
}

.results-total {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.results-streak {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.share-image-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.share-image-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-right: 2px;
}

.ghost-btn.small {
  font-size: 13px;
  padding: 7px 16px;
  margin-top: 0;
}

#share-feedback {
  font-size: 13px;
  color: var(--green);
  min-height: 18px;
}

.results-breakdown {
  width: 100%;
  max-width: 560px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.breakdown-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 10px 14px 14px;
  text-align: left;
}

.breakdown-row {
  display: grid;
  grid-template-columns: 34px 1fr auto auto;
  gap: 12px;
  align-items: center;
  font-size: 14px;
}

.breakdown-story {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--track);
}

.breakdown-thumb {
  width: 110px;
  height: 82px;
  object-fit: cover;
  border-radius: 6px;
}

.breakdown-blurb {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
}

.breakdown-story-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

@media (max-width: 480px) {
  .breakdown-story { grid-template-columns: 1fr; }
  .breakdown-thumb { width: 100%; height: 140px; }
}

.breakdown-emoji { font-size: 20px; }

.breakdown-desc { color: var(--text-dim); }
.breakdown-desc strong { color: var(--text); font-weight: 600; }

.breakdown-error { color: var(--text-dim); font-variant-numeric: tabular-nums; white-space: nowrap; }

.breakdown-points { font-weight: 700; font-variant-numeric: tabular-nums; }

.results-comeback {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.results-about { font-size: 12px; }
.results-about a { color: var(--text-dim); }
.results-about a:hover { color: var(--text); }

/* ---------- Modals ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  padding: 20px;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--track);
  border-radius: 14px;
  padding: 26px 28px;
  max-width: 440px;
  width: 100%;
  max-height: 85dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: rise 0.2s ease-out;
}

.modal h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  letter-spacing: 1px;
}

.help-steps {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
}

.help-note {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

.modal .primary-btn { align-self: center; }

/* ---------- Stats ---------- */

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.stat-tile {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 10px 4px;
  text-align: center;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-top: 2px;
}

.stats-subhead {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
}

.band-bars { display: flex; flex-direction: column; gap: 6px; }

.band-row {
  display: grid;
  grid-template-columns: 52px 1fr 30px;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.band-bar {
  height: 14px;
  border-radius: 4px;
  min-width: 2px;
}

.band-count { text-align: right; }

/* ---------- Small screens ---------- */

@media (max-height: 700px), (max-width: 600px) {
  #year-readout { font-size: 44px; }
  .reveal-year { font-size: 32px; }
  .results-grid { font-size: 32px; }
  .header-meta { font-size: 11px; }
  .wordmark { font-size: 16px; letter-spacing: 3px; }
}