/* ==========================================================================
   Trivia Ladder — styles
   Wordle-adjacent minimalism: quiet ink-on-paper surface, one signature
   element (the glowing ladder rail), disciplined type.
   ========================================================================== */

:root {
  /* palette — light */
  --bg: #f6f4ee;
  --surface: #ffffff;
  --ink: #17191c;
  --ink-soft: #5b6067;
  --line: #dcd8ce;
  --green: #4fae62;
  --green-deep: #3d8c4e;
  --yellow: #d8a02c;
  --yellow-deep: #b3821f;
  --gray-miss: #9aa0a6;
  --wrong: #c8553d;
  --focus: #2b6cb0;

  --font-display: "Bitter", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 22, 25, 0.06), 0 6px 20px rgba(20, 22, 25, 0.05);
  --speed: 180ms;
}

[data-theme="dark"] {
  --bg: #101418;
  --surface: #191f26;
  --ink: #e9e7e1;
  --ink-soft: #9aa1a9;
  --line: #2c343d;
  --green: #58b96c;
  --green-deep: #6fd184;
  --yellow: #e0ac3e;
  --yellow-deep: #f0c264;
  --gray-miss: #6b7178;
  --wrong: #e07a63;
  --focus: #6aa9e9;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100dvh;
  transition: background var(--speed) ease, color var(--speed) ease;
}

.hidden { display: none !important; }
.muted { color: var(--ink-soft); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Top bar
   -------------------------------------------------------------------------- */

.topbar {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 8px;
  max-width: 640px;
  margin: 0 auto;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  text-align: center;
  margin: 0;
  user-select: none;
}

.topbar-right { display: flex; gap: 6px; justify-content: flex-end; }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--speed), border-color var(--speed), background var(--speed);
}
.icon-btn:hover { color: var(--ink); border-color: var(--ink-soft); }

/* theme toggle shows only the icon for the mode you'd switch to */
.ico-sun { display: none; }
[data-theme="dark"] .ico-sun { display: block; }
[data-theme="dark"] .ico-moon { display: none; }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.game {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.screen { animation: fade-in 260ms ease both; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.play-layout {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  align-items: start;
}

/* --------------------------------------------------------------------------
   The ladder rail — signature element
   -------------------------------------------------------------------------- */

.ladder { position: sticky; top: 16px; }

.ladder-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px 8px;
  border-left: 3px solid var(--line);
  border-right: 3px solid var(--line);
  border-radius: 6px;
}

.rung {
  height: 40px;
  border-radius: 6px;
  background: var(--surface);
  border: 1.5px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background var(--speed), border-color var(--speed), box-shadow 300ms;
}

.rung-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink-soft);
  transition: color var(--speed);
}

.rung.active {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ink) 12%, transparent);
}
.rung.active .rung-num { color: var(--ink); }

.rung.green  { background: var(--green);  border-color: var(--green); }
.rung.yellow { background: var(--yellow); border-color: var(--yellow); }
.rung.gray   { background: var(--gray-miss); border-color: var(--gray-miss); }

.rung.green .rung-num,
.rung.yellow .rung-num,
.rung.gray .rung-num { color: #fff; }

.rung.pop { animation: rung-pop 420ms cubic-bezier(0.34, 1.56, 0.64, 1); }

@keyframes rung-pop {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.14); }
  100% { transform: scale(1); }
}

/* --------------------------------------------------------------------------
   Question area
   -------------------------------------------------------------------------- */

.q-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.category-chip {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  background: var(--surface);
}

.guesses {
  display: inline-flex;
  gap: 5px;
}
.guess-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  opacity: 0.85;
  transition: opacity var(--speed), background var(--speed);
}
.guess-dot.spent { background: var(--line); opacity: 1; }

.q-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.35;
  margin: 0 0 18px;
  min-height: 3.4em;
}

.options {
  display: grid;
  gap: 10px;
}

.option {
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 16px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: border-color var(--speed), transform var(--speed), opacity var(--speed), background var(--speed);
}

.option:hover:not(:disabled) { border-color: var(--ink-soft); transform: translateY(-1px); }
.option:active:not(:disabled) { transform: translateY(0); }
.option:disabled { cursor: default; }

.option.eliminated {
  opacity: 0.42;
  text-decoration: line-through;
  box-shadow: none;
}

.option.correct {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  animation: option-pop 380ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.option.revealed {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green);
}

.option.shake { animation: shake 340ms ease; }

@keyframes option-pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  22% { transform: translateX(-6px); }
  48% { transform: translateX(6px); }
  72% { transform: translateX(-4px); }
  90% { transform: translateX(3px); }
}

.q-feedback {
  min-height: 1.5em;
  margin: 14px 0 6px;
  font-weight: 600;
  font-size: 0.95rem;
}
.q-feedback.good { color: var(--green-deep); }
.q-feedback.bad  { color: var(--wrong); }
.q-feedback.miss { color: var(--ink-soft); }

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

.btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background var(--speed), color var(--speed), transform var(--speed);
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

#btn-next { margin-top: 6px; }

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

.results {
  max-width: 460px;
  margin: 0 auto;
  text-align: center;
  padding-top: 10px;
}

.results-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 4px;
}

.score-line {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.2rem;
  line-height: 1;
  margin-bottom: 22px;
}
.score-max {
  font-size: 1.4rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.theme-reveal {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 22px 20px 18px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

.reveal-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

.reveal-theme {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1.15;
  margin: 0 0 10px;
  opacity: 0;
  transform: translateY(8px) scale(0.96);
  filter: blur(6px);
}
.reveal-theme.revealed {
  animation: theme-in 700ms 250ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes theme-in {
  to { opacity: 1; transform: none; filter: blur(0); }
}

.reveal-blurb {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

.connections {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  text-align: left;
  display: grid;
  gap: 8px;
}

.connections li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.connections .sq { margin-top: 3px; }
.connections strong { color: var(--ink); }

.result-grid {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 22px;
}

.result-grid .cell {
  width: 34px;
  height: 34px;
  border-radius: 6px;
}
.cell.green  { background: var(--green); }
.cell.yellow { background: var(--yellow); }
.cell.gray   { background: var(--gray-miss); }

.results-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 18px;
}

.countdown {
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.countdown span { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--ink); }

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

.modal {
  border: none;
  border-radius: 16px;
  padding: 0;
  max-width: 440px;
  width: calc(100vw - 40px);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
.modal::backdrop { background: rgba(10, 12, 14, 0.55); }

.modal-inner { padding: 26px 24px 22px; position: relative; }

.modal h2 {
  font-family: var(--font-display);
  font-weight: 800;
  margin: 0 0 12px;
  font-size: 1.3rem;
}
.modal h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 20px 0 10px;
}
.modal p, .modal li { font-size: 0.92rem; }

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: var(--ink); }

.help-list {
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.sq {
  display: inline-block;
  width: 13px;
  height: 13px;
  border-radius: 3px;
  vertical-align: -1px;
}
.sq-green  { background: var(--green); }
.sq-yellow { background: var(--yellow); }
.sq-gray   { background: var(--gray-miss); }

/* stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.7rem;
  line-height: 1.1;
}
.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dist { display: grid; gap: 6px; }

.dist-row {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
}
.dist-bar {
  background: var(--gray-miss);
  color: #fff;
  border-radius: 4px;
  padding: 2px 8px;
  min-width: 22px;
  text-align: right;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.dist-bar.hit { background: var(--green); }

.stats-note {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 16px);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms, transform 220ms;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* --------------------------------------------------------------------------
   Responsive & accessibility
   -------------------------------------------------------------------------- */

@media (max-width: 480px) {
  .play-layout {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* ladder becomes a horizontal rail on phones */
  .ladder { position: static; }
  .ladder-rail {
    flex-direction: row-reverse;
    justify-content: center;
    gap: 10px;
    border-left: none;
    border-right: none;
    border-top: 3px solid var(--line);
    border-bottom: 3px solid var(--line);
    padding: 8px 10px;
  }
  .rung { width: 100%; max-width: 56px; height: 34px; }

  .q-text { font-size: 1.12rem; min-height: 0; }
  .score-line { font-size: 2.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   Typed answers, bonus rung & theme square (v2)
   -------------------------------------------------------------------------- */

:root { --purple: #8458c9; }
[data-theme="dark"] { --purple: #9d76dd; }

.points-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.points-worth {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.answer-box {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.answer-box.shake { animation: shake 340ms ease; }

.answer-input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color var(--speed);
}
.answer-input::placeholder { color: var(--ink-soft); opacity: 0.7; }
.answer-input:focus { border-color: var(--ink); outline: none; }
.answer-input:disabled { opacity: 0.5; }

.btn-guess { border-radius: var(--radius); padding: 12px 18px; white-space: nowrap; }
.btn-guess:disabled { opacity: 0.45; cursor: default; transform: none; }

.link-btn {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 4px 2px;
  margin-bottom: 12px;
}
.link-btn:hover { color: var(--ink); }
.link-btn .cost {
  font-weight: 700;
  color: var(--yellow-deep);
  text-decoration: none;
  display: inline-block;
  margin-left: 2px;
}

/* theme cap on the ladder rail */
.rung-cap {
  border-style: dashed;
  background: transparent;
}
.rung-cap .rung-num { color: var(--ink-soft); }
.rung-cap.active {
  border-style: solid;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--purple) 20%, transparent);
}
.rung-cap.purple {
  border-style: solid;
  background: var(--purple);
  border-color: var(--purple);
}
.rung-cap.purple .rung-num { color: #fff; }
.rung-cap.gray {
  border-style: solid;
  background: var(--gray-miss);
  border-color: var(--gray-miss);
}
.rung-cap.gray .rung-num { color: #fff; }

/* bonus screen */
.bonus-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 6px 0 4px;
}
.bonus-sub { margin: 0 0 18px; font-size: 0.9rem; }
.bonus-box { max-width: 400px; margin: 0 auto 12px; }

/* results additions */
.theme-verdict {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 0 0 10px;
}
.theme-verdict.purple { color: var(--purple); }

.cell.purple { background: var(--purple); }
.cell.theme-cell { margin-left: 8px; }
.cell.theme-cell.empty {
  background: transparent;
  border: 2px dashed var(--line);
}

.sq-purple { background: var(--purple); }

/* --------------------------------------------------------------------------
   Archive, practice & mode banner (v3)
   -------------------------------------------------------------------------- */

.topbar { grid-template-columns: auto 1fr auto; }
.topbar-left { display: flex; gap: 6px; }

.mode-banner {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  margin: 0 auto 18px;
  width: fit-content;
  max-width: 100%;
}

.archive-note { font-size: 0.85rem; margin: 0 0 14px; }

.archive-list {
  display: grid;
  gap: 8px;
  max-height: 46vh;
  overflow-y: auto;
  padding-right: 2px;
}

.archive-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  font-family: var(--font-body);
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 14px;
  cursor: pointer;
  color: var(--ink);
  transition: border-color var(--speed), transform var(--speed);
}
.archive-item:hover { border-color: var(--ink-soft); transform: translateY(-1px); }

.archive-left {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.archive-left strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
}
.archive-date { font-size: 0.85rem; color: var(--ink-soft); }

.archive-right { display: inline-flex; align-items: center; gap: 10px; }

.archive-cta {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 3px 12px;
}
.archive-score {
  font-size: 0.85rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.mini-grid { display: inline-flex; gap: 3px; }
.mini-sq {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}
.mini-sq.sq-green  { background: var(--green); }
.mini-sq.sq-yellow { background: var(--yellow); }
.mini-sq.sq-gray   { background: var(--gray-miss); }
.mini-sq.sq-purple { background: var(--purple); }
.mini-sq.sq-empty  { background: transparent; border: 1.5px dashed var(--line); }

.archive-empty { text-align: center; padding: 12px 0; }

@media (max-width: 480px) {
  .archive-date { font-size: 0.78rem; }
}