:root {
  --sky: #7dbceb;
  --haze: #ddeffb;
  --ink: #17314f;
  --ink-soft: #3d5878;
  --glass: rgba(255, 255, 255, 0.38);
  --glass-edge: rgba(255, 255, 255, 0.7);
  --sun: #f2b35e;
  --cloud: #ffffff;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Figtree", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; }

body {
  margin: 0;
  min-height: 100dvh;
  background: #8cc6f0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
}

[hidden] { display: none !important; }

button, a { font: inherit; color: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- Sky ---------- */
.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(48rem 20rem at 12% 6%, rgba(255, 255, 255, 0.8), transparent 65%),
    radial-gradient(40rem 18rem at 88% 22%, rgba(255, 255, 255, 0.6), transparent 65%),
    radial-gradient(60rem 22rem at 40% 78%, rgba(255, 255, 255, 0.55), transparent 65%),
    linear-gradient(180deg, #5aa5e2 0%, #8cc6f0 48%, var(--haze) 100%);
}

/* ---------- Layout ---------- */
.stage {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 128px;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 18px;
  align-items: start;
}

.rail, .panel {
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  backdrop-filter: blur(22px) saturate(1.4);
  box-shadow: 0 20px 50px -24px rgba(23, 49, 79, 0.45);
}

.rail {
  border-radius: 34px;
  padding: 14px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 32px;
}

.panel {
  border-radius: 36px;
  padding: clamp(24px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  min-height: 560px;
  animation: panel-in 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(14px) scale(0.985); filter: blur(10px); }
  to   { opacity: 1; transform: none; filter: none; }
}

/* ---------- Rail ---------- */
.rail-item {
  position: relative;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 0;
  background: transparent;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.2s, transform 0.2s;
}
.rail-item svg {
  width: 22px; height: 22px;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.rail-item:hover, .rail-item:focus-visible { background: rgba(255, 255, 255, 0.6); transform: scale(1.06); }
.rail-item[aria-disabled="true"] { opacity: 0.45; cursor: default; }
.rail-item[aria-disabled="true"]:hover { transform: none; background: transparent; }

.tip {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  translate: 0 -50%;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--cloud);
  font-size: 0.8125rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 5;
}
.rail-item:hover .tip, .rail-item:focus-visible .tip { opacity: 1; }

/* ---------- Hero ---------- */
.hero { align-self: center; }

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 11vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.tagline {
  margin: 20px 0 0;
  max-width: 28ch;
  font-size: clamp(1.0625rem, 2vw, 1.3125rem);
  color: var(--ink-soft);
}

.clock { margin-top: clamp(28px, 6vw, 64px); }
.clock-time {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.clock-date { display: block; margin-top: 6px; color: var(--ink-soft); font-weight: 500; }

/* ---------- Side ---------- */
.side { display: grid; gap: 20px; align-content: start; }

.cal {
  background: var(--ink);
  color: var(--cloud);
  border-radius: 24px;
  padding: 20px 22px 22px;
  max-width: 320px;
}
.cal-month {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.375rem;
  text-align: center;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px 0;
  text-align: center;
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}
.cal-dow { color: rgba(255, 255, 255, 0.55); padding-bottom: 6px; }
.cal-day { display: grid; place-items: center; height: 28px; }
.cal-day.today {
  background: var(--sun);
  color: var(--ink);
  font-weight: 600;
  border-radius: 50%;
  width: 28px;
  justify-self: center;
}

.music {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-edge);
  border-radius: 24px;
  padding: 16px;
}
.music-title { margin: 0 0 10px 4px; font-family: var(--font-display); font-size: 1.0625rem; font-weight: 800; }
.music-frame iframe {
  display: block; width: 100%; height: 232px;
  border: 0; border-radius: 14px; background: #000;
}
.music-empty {
  margin: 0;
  padding: 20px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

/* ---------- Dock ---------- */
.dock {
  position: fixed;
  left: 50%;
  bottom: 16px;
  translate: -50% 0;
  max-width: calc(100vw - 24px);
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: 26px;
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  backdrop-filter: blur(22px) saturate(1.4);
  box-shadow: 0 16px 40px -18px rgba(23, 49, 79, 0.55);
  overflow-x: auto;
  scrollbar-width: none;
  z-index: 10;
}
.dock::-webkit-scrollbar { display: none; }

.dock-item {
  position: relative;
  flex: none;
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--cloud);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35), 0 6px 14px -6px rgba(23, 49, 79, 0.6);
  transition: transform 0.18s cubic-bezier(0.3, 1.5, 0.5, 1);
}
.dock-item:hover, .dock-item:focus-visible { transform: translateY(-6px) scale(1.08); }
.dock-item .tip { left: 50%; top: auto; bottom: calc(100% + 12px); translate: -50% 0; }

/* ---------- Game window ---------- */
.win {
  width: min(940px, 94vw);
  height: min(640px, 86dvh);
  max-width: none;
  max-height: none;
  padding: 0;
  border: 1px solid var(--glass-edge);
  border-radius: 28px;
  background: rgba(238, 247, 255, 0.9);
  -webkit-backdrop-filter: blur(26px) saturate(1.3);
  backdrop-filter: blur(26px) saturate(1.3);
  color: var(--ink);
  box-shadow: 0 40px 90px -30px rgba(23, 49, 79, 0.7);
  overflow: hidden;
}
.win[open] { display: flex; flex-direction: column; animation: win-in 0.28s cubic-bezier(0.2, 0.9, 0.3, 1.1) both; }
.win::backdrop { background: rgba(23, 49, 79, 0.35); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }

@keyframes win-in {
  from { opacity: 0; transform: translateY(18px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

.win-bar {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 14px 24px;
  border-bottom: 1px solid rgba(23, 49, 79, 0.1);
}
.win-bar h2 { margin: 0; font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; }
.win-close {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 0; border-radius: 50%;
  background: rgba(23, 49, 79, 0.08);
}
.win-close:hover { background: rgba(23, 49, 79, 0.16); }
.win-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

.win-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
}

.win-info {
  padding: 20px 24px;
  border-right: 1px solid rgba(23, 49, 79, 0.1);
  overflow-y: auto;
}
.win-art {
  aspect-ratio: 460 / 215;
  border-radius: 14px;
  overflow: hidden;
  display: grid;
  place-items: center;
  color: var(--cloud);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  box-shadow: 0 10px 24px -12px rgba(23, 49, 79, 0.6);
}
.win-art img { width: 100%; height: 100%; object-fit: cover; display: block; }

.win-meta { margin: 18px 0 0; display: grid; gap: 12px; }
.win-meta div { display: grid; gap: 0; }
.win-meta dt { font-size: 0.8125rem; color: var(--ink-soft); }
.win-meta dd { margin: 0; font-weight: 600; }

.win-copy {
  margin-left: 6px;
  padding: 2px 10px;
  border: 0;
  border-radius: 999px;
  background: rgba(23, 49, 79, 0.1);
  font-size: 0.8125rem;
  font-weight: 500;
}
.win-copy:hover { background: rgba(23, 49, 79, 0.18); }

.win-store {
  display: inline-block;
  margin-top: 20px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--cloud);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
}
.win-store:hover { background: #24466f; }

.win-ach { display: flex; flex-direction: column; min-height: 0; }
.ach-head { flex: none; padding: 18px 24px 12px; display: grid; gap: 10px; }
.ach-count { margin: 0; font-family: var(--font-display); font-weight: 800; font-size: 1.125rem; }
.ach-bar { height: 8px; border-radius: 99px; background: rgba(23, 49, 79, 0.12); overflow: hidden; }
.ach-bar span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--sun), #f7cf8f); transition: width 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }

.ach-tabs { display: flex; gap: 6px; }
.ach-tabs button {
  border: 0; padding: 6px 14px; border-radius: 999px;
  background: rgba(23, 49, 79, 0.08);
  font-size: 0.875rem; font-weight: 500;
}
.ach-tabs button[aria-pressed="true"] { background: var(--ink); color: var(--cloud); }

.ach-list {
  list-style: none;
  margin: 0;
  padding: 0 24px 24px;
  overflow-y: auto;
  flex: 1;
  display: grid;
  gap: 8px;
  align-content: start;
}
.ach {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 10px 14px 10px 10px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border-left: 4px solid transparent;
}
.ach.on { border-left-color: var(--sun); }
.ach-icon {
  width: 52px; height: 52px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--sky), #3f86c4);
  overflow: hidden;
}
.ach-icon img { width: 100%; height: 100%; display: block; }
.ach-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--cloud); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ach:not(.on) .ach-icon { filter: grayscale(1); opacity: 0.55; }
.ach-name { margin: 0; font-weight: 600; line-height: 1.25; }
.ach-desc { margin: 2px 0 0; font-size: 0.875rem; color: var(--ink-soft); line-height: 1.35; }
.ach-side { text-align: right; font-size: 0.8125rem; color: var(--ink-soft); white-space: nowrap; font-variant-numeric: tabular-nums; }
.ach-side strong { display: block; color: var(--ink); font-weight: 600; }

.state {
  margin: 0;
  padding: 18px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-soft);
}
.state strong { display: block; color: var(--ink); }

/* ---------- Tablet and mobile ---------- */
@media (max-width: 900px) {
  .stage { grid-template-columns: 1fr; padding: 16px 14px 120px; gap: 14px; }

  .rail {
    position: static;
    flex-direction: row;
    justify-content: center;
    border-radius: 26px;
    padding: 8px;
  }
  .tip { display: none; }

  .panel { grid-template-columns: 1fr; min-height: 0; border-radius: 30px; }
  .cal { max-width: none; }

  .win {
    width: 100vw;
    height: 88dvh;
    margin: auto 0 0;
    border-radius: 28px 28px 0 0;
  }
  .win[open] { animation-name: sheet-in; }
  @keyframes sheet-in { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }

  .win-body { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); overflow-y: auto; }
  .win-info { border-right: 0; border-bottom: 1px solid rgba(23, 49, 79, 0.1); overflow: visible; padding: 16px 18px; }
  .win-art { max-width: 340px; }
  .win-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .win-ach { min-height: 360px; }
  .ach-head, .ach-list { padding-left: 18px; padding-right: 18px; }
}

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