:root {
  --bg0: #110c08;
  --bg1: #1b130c;
  --gold: #e7c57a;
  --gold-bright: #ffe9a8;
  --ink: #f6ead2;
  --muted: #b9a17a;
  --wood: #6e4328;
  --wood-dark: #3b2416;
  --panel: rgba(22, 14, 8, 0.72);
  --line: rgba(231, 197, 122, 0.28);
  --danger: #d36b4e;
  --ok: #c6e28a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(ellipse at 50% -20%, #5a3a18 0%, transparent 52%),
    radial-gradient(ellipse at 80% 110%, #2a1638 0%, transparent 46%),
    var(--bg0);
  overflow-x: hidden;
}

.atmosphere {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255, 236, 190, 0.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 72%, rgba(255, 236, 190, 0.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 67% 22%, rgba(255, 236, 190, 0.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 81% 64%, rgba(255, 236, 190, 0.28) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 91% 12%, rgba(255, 220, 140, 0.7) 50%, transparent 51%);
  opacity: 0.7;
  z-index: 0;
}

.topbar,
.layout,
.toasts,
.options {
  position: relative;
  z-index: 1;
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 8, 5, 0.55);
  backdrop-filter: blur(10px);
}

.brand h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.45rem;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.tagline {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
}

.ticker {
  margin: 0;
  min-width: 0;
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.9;
}

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

.icon-btn,
.buy-mode button,
.prestige-btn,
.options button {
  font-family: inherit;
  color: var(--ink);
  background: rgba(80, 52, 24, 0.35);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.icon-btn {
  padding: 6px 14px;
  font-size: 0.85rem;
}

.lang-toggle {
  display: flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(80, 52, 24, 0.35);
}

.lang-btn {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: none;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.lang-btn.is-on {
  color: var(--ink);
  background: rgba(120, 80, 30, 0.55);
}

.lang-btn:hover {
  color: var(--gold-bright);
}

.icon-btn:hover,
.buy-mode button:hover,
.prestige-btn:hover:not(:disabled),
.options button:hover {
  border-color: var(--gold);
  background: rgba(120, 80, 30, 0.45);
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(320px, 0.95fr);
  gap: 8px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 8px 12px 32px;
}

.stage-col,
.store-col {
  padding: 18px 16px 24px;
}

.merit-display {
  text-align: center;
  margin-bottom: 10px;
}

.merit-line {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 10px;
}

.merit-value {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--gold-bright);
  text-shadow: 0 0 24px rgba(255, 210, 110, 0.35);
  line-height: 1;
}

.merit-unit {
  font-size: 1.05rem;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.mps {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.board-wrap {
  position: relative;
}

.board {
  display: block;
  width: 100%;
  padding: 28px 18px 0;
  border: 1px solid var(--line);
  border-radius: 28px 28px 18px 18px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 196, 92, 0.16), transparent 58%),
    linear-gradient(180deg, rgba(62, 40, 22, 0.55), rgba(18, 12, 8, 0.2));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 230, 180, 0.18);
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  color: inherit;
}

.board:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.board.is-ended {
  cursor: default;
}

.board.is-ended.is-click {
  transform: none;
}

.pegs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  min-height: 280px;
  align-items: stretch;
}

.peg {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

.rod {
  position: absolute;
  left: 50%;
  bottom: 14px;
  width: 10px;
  height: 86%;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(90deg, #2a1810, #8a5a34 45%, #4a2c18);
  box-shadow: inset 2px 0 0 rgba(255, 220, 170, 0.25);
  z-index: 0;
}

.stack {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-start;
  align-items: center;
  gap: 2px;
  min-height: 240px;
  max-height: 260px;
  overflow: hidden;
  padding-bottom: 10px;
}

.disk {
  height: 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 236, 200, 0.28);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.28),
    inset 0 -5px 10px rgba(0, 0, 0, 0.35),
    0 4px 8px rgba(0, 0, 0, 0.35);
  transition: width 0.2s ease;
}

.disk.is-top {
  animation: idle-bob 2.8s ease-in-out infinite;
}

.plinth {
  height: 22px;
  margin: 4px -6px 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #8b5a32, #3e2414);
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 170, 0.3),
    0 10px 16px rgba(0, 0, 0, 0.35);
}

.click-hint {
  margin: 10px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.progress-block {
  margin-top: 18px;
}

.progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 220, 160, 0.08);
  overflow: hidden;
  border: 1px solid rgba(231, 197, 122, 0.18);
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #c4843a, var(--gold-bright));
  box-shadow: 0 0 12px rgba(255, 210, 120, 0.45);
  transition: width 0.12s linear;
}

.progress-label,
.legend {
  margin: 8px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.meta-card {
  padding: 10px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  text-align: center;
}

.meta-card b {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--gold);
}

.meta-card span {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.stage-actions {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.prestige-btn {
  width: 100%;
  padding: 12px 16px;
  border-radius: 14px;
  text-align: left;
  line-height: 1.45;
  border: 1px solid var(--line);
  background: rgba(80, 52, 24, 0.35);
}

.prestige-btn strong {
  font-family: var(--font-serif);
  letter-spacing: 0.08em;
}

.prestige-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.prestige-btn {
  background: rgba(72, 32, 70, 0.45);
  border-color: rgba(230, 170, 255, 0.3);
}

.legend {
  font-family: var(--font-serif);
  opacity: 0.75;
}

.store-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.store-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.2em;
}

.buy-mode {
  display: flex;
  gap: 4px;
}

.buy-mode button {
  min-width: 44px;
  padding: 5px 8px;
  font-size: 0.78rem;
}

.buy-mode button.is-on {
  background: rgba(231, 197, 122, 0.22);
  color: var(--gold-bright);
  border-color: var(--gold);
}

.upgrades-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 44px;
  margin-bottom: 14px;
}

.upgrade {
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #5a3b1c, #2a180e);
  color: var(--gold-bright);
  font-size: 1.15rem;
  cursor: pointer;
}

.upgrade:hover {
  transform: translateY(-1px);
  border-color: var(--gold);
}

.upgrade.is-locked {
  opacity: 0.4;
  cursor: default;
}

.buildings {
  display: grid;
  gap: 8px;
}

.building {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: inherit;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.building[hidden] {
  display: none !important;
}

.building:hover:not(:disabled) {
  border-color: var(--gold);
  background: rgba(50, 32, 16, 0.8);
}

.building:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.building.is-preview {
  opacity: 0.72;
  border-style: dashed;
  border-color: rgba(231, 197, 122, 0.22);
  cursor: default;
}

.building.is-preview:disabled {
  opacity: 0.72;
}

.building .icon {
  font-size: 1.5rem;
  text-align: center;
}

.building h3 {
  margin: 0;
  font-size: 0.98rem;
  font-family: var(--font-serif);
}

.building p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.building .owned {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--gold);
  min-width: 2ch;
  text-align: right;
}

.building .merit-total {
  color: var(--gold-bright);
}

.toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 8px;
  z-index: 5;
  width: min(320px, calc(100vw - 24px));
}

.toast {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(24, 16, 10, 0.92);
  box-shadow: var(--shadow);
  animation: toast-in 3.6s ease forwards;
}

.toast b {
  color: var(--gold);
}

.golden {
  position: fixed;
  z-index: 6;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid #fff3c4;
  background: radial-gradient(circle at 35% 30%, #fff6d0, #e0a23a 45%, #8a4b12);
  box-shadow: 0 0 24px rgba(255, 210, 90, 0.8);
  cursor: pointer;
  animation: golden-spin 8s linear infinite, golden-pulse 1.2s ease-in-out infinite;
}

#floaters {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 4;
}

.floater {
  position: fixed;
  color: var(--gold-bright);
  font-family: var(--font-serif);
  font-weight: 700;
  text-shadow: 0 2px 8px #000;
  animation: float-up 0.9s ease-out forwards;
}

.options {
  width: min(480px, 92vw);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #1a120c;
  color: var(--ink);
  padding: 0;
}

.options::backdrop {
  background: rgba(0, 0, 0, 0.62);
}

.options-form {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.options h2 {
  margin: 0;
  font-family: var(--font-serif);
}

.stats {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  margin: 0;
}

.stats dt {
  color: var(--muted);
}

.stats dd {
  margin: 0;
  color: var(--gold);
}

.achievements-dialog {
  width: min(540px, 92vw);
  border-color: rgba(231, 197, 122, 0.35);
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 210, 110, 0.08);
}

.achievements-form {
  gap: 0;
  padding: 0;
}

.achievements-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 50% -40%, rgba(231, 197, 122, 0.12), transparent 70%),
    rgba(28, 18, 10, 0.55);
}

.achievements-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.achievements-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.18em;
  color: var(--gold-bright);
}

.achievement-count {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.achievements-dialog .achievement-list {
  list-style: none;
  margin: 0;
  padding: 14px 16px;
  max-height: min(58vh, 460px);
  overflow-y: auto;
  display: grid;
  gap: 10px;
  scrollbar-width: thin;
  scrollbar-color: rgba(231, 197, 122, 0.35) transparent;
}

.achievements-dialog .achievement-list::-webkit-scrollbar {
  width: 8px;
}

.achievements-dialog .achievement-list::-webkit-scrollbar-thumb {
  background: rgba(231, 197, 122, 0.28);
  border-radius: 999px;
}

.achievement-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid rgba(231, 197, 122, 0.22);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 210, 110, 0.06), transparent 55%),
    rgba(22, 14, 8, 0.82);
  box-shadow: inset 0 1px 0 rgba(255, 233, 168, 0.08);
}

.achievement-seal {
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(231, 197, 122, 0.45);
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 233, 168, 0.28), rgba(70, 44, 22, 0.75));
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  color: var(--gold-bright);
  font-size: 1rem;
  box-shadow:
    inset 0 0 10px rgba(255, 210, 110, 0.12),
    0 4px 12px rgba(0, 0, 0, 0.25);
}

.achievement-body {
  min-width: 0;
  flex: 1;
}

.achievement-name {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: 0.06em;
  line-height: 1.35;
}

.achievement-desc {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
}

.achievement-empty {
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: 28px 16px;
  border: 1px dashed rgba(231, 197, 122, 0.25);
  border-radius: 14px;
  text-align: center;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.6;
  background: rgba(22, 14, 8, 0.45);
}

.achievement-empty-icon {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: rgba(231, 197, 122, 0.45);
  line-height: 1;
}

.achievements-footer {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  background: rgba(18, 12, 8, 0.55);
}

.achievements-footer .primary {
  min-width: 7rem;
}

.check {
  display: flex;
  gap: 8px;
  align-items: center;
}

.option-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.options button {
  padding: 8px 12px;
}

.options .primary {
  margin-left: auto;
  background: rgba(231, 197, 122, 0.2);
}

.options .danger {
  border-color: rgba(211, 107, 78, 0.6);
  color: #ffc7b6;
}

.options textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #120c08;
  color: var(--ink);
  padding: 8px;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
}

@keyframes idle-bob {
  0%,
  100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes toast-in {
  0% { opacity: 0; transform: translateY(8px); }
  12% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes float-up {
  from { opacity: 1; transform: translate(-50%, 0); }
  to { opacity: 0; transform: translate(-50%, -48px); }
}

@keyframes golden-spin {
  to { transform: rotate(360deg); }
}

@keyframes golden-pulse {
  50% { box-shadow: 0 0 36px rgba(255, 230, 140, 1); }
}

@media (max-width: 860px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .ticker {
    grid-column: 1 / -1;
  }

  .layout {
    grid-template-columns: 1fr;
    padding-bottom: 40px;
  }

  .pegs {
    min-height: 230px;
  }

  .stack {
    min-height: 190px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .disk.is-top,
  .toast,
  .floater,
  .golden,
  .progress-bar {
    animation: none;
    transition: none;
  }
}