/* =========================================================================
   Sky Word — "Observatory" theme
   A celestial word game. Dark cosmic glass by night, blue-hour paper by day.
   ========================================================================= */

/* ---- Theme tokens -------------------------------------------------------- */

:root {
  --maxw: 520px;
  --radius: 14px;
  --tile-radius: 12px;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* sky engine vars (overwritten by js/sky.js) */
  --sky-top: #05060f;
  --sky-mid: #0a0e22;
  --sky-bottom: #04050e;
  --aurora-hue: 270;
  --star-alpha: 1;
}

:root[data-theme='dark'] {
  --bg: #060814;
  --panel: rgba(14, 21, 48, 0.72);
  --panel-border: rgba(192, 75, 255, 0.22);
  --glass-tile: rgba(22, 30, 61, 0.45);
  --glass-tile-border: rgba(234, 240, 255, 0.14);
  --text: #eaf0ff;
  --muted: #8a97c2;
  --accent: #c04bff;
  --accent-soft: rgba(192, 75, 255, 0.18);
  --correct: #2be6c8;
  --correct-glow: rgba(43, 230, 200, 0.45);
  --present: #ffb23e;
  --present-glow: rgba(255, 178, 62, 0.45);
  --absent: #3a4470;
  --absent-tile: #1b2342;
  --key: #161e3d;
  --key-text: #eaf0ff;
  --key-shadow: rgba(0, 0, 0, 0.5);
  --glyph: #060814;
  --focus-ring: #c04bff;
  --star: #eaf0ff;
  --aurora-opacity: 0.6;
}

:root[data-theme='light'] {
  --bg: #eaeef6;
  --panel: rgba(247, 249, 253, 0.82);
  --panel-border: rgba(122, 60, 224, 0.16);
  --glass-tile: rgba(255, 255, 255, 0.55);
  --glass-tile-border: rgba(20, 26, 46, 0.16);
  --text: #141a2e;
  --muted: #5a6386;
  --accent: #7a3ce0;
  --accent-soft: rgba(122, 60, 224, 0.14);
  --correct: #0e8c7a;
  --correct-glow: rgba(14, 140, 122, 0.35);
  --present: #b8761a;
  --present-glow: rgba(184, 118, 26, 0.35);
  --absent: #8a93a8;
  --absent-tile: #c7cedc;
  --key: #ffffff;
  --key-text: #141a2e;
  --key-shadow: rgba(20, 26, 46, 0.12);
  --glyph: #ffffff;
  --focus-ring: #7a3ce0;
  --star: rgba(20, 26, 46, 0.5);
  --aurora-opacity: 0.3;
}

/* ---- Base ---------------------------------------------------------------- */

* {
  box-sizing: border-box;
}

/* The [hidden] attribute must always win, even over class rules that set
   `display` (e.g. .overlay/.unlimited-controls). Without this, a hidden
   overlay still lays out at display:grid and swallows every click. */
[hidden] {
  display: none !important;
}

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

body {
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2.5px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 6px;
}

h1,
h2,
h3 {
  font-family: 'Fraunces', Georgia, serif;
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* ---- Living sky ---------------------------------------------------------- */

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.sky-gradient {
  position: absolute;
  inset: -5%;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 48%, var(--sky-bottom) 100%);
  transition: background 700ms ease;
}
#starfield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.aurora {
  position: absolute;
  top: -6%;
  left: -10%;
  width: 120%;
  height: 46%;
  opacity: var(--aurora-opacity);
  filter: blur(46px) saturate(140%);
  mix-blend-mode: screen;
  will-change: transform, opacity;
  background:
    radial-gradient(60% 90% at 28% 10%, hsla(var(--aurora-hue), 85%, 62%, 0.55), transparent 62%),
    radial-gradient(55% 80% at 72% 0%, hsla(calc(var(--aurora-hue) + 55), 85%, 60%, 0.5), transparent 60%),
    linear-gradient(100deg, transparent 10%, hsla(var(--aurora-hue), 80%, 60%, 0.28) 50%, transparent 85%);
  animation: aurora-drift 23s ease-in-out infinite alternate, aurora-breathe 19s ease-in-out infinite;
}
@keyframes aurora-drift {
  from {
    transform: translateX(-4%) skewX(-3deg);
  }
  to {
    transform: translateX(6%) skewX(2deg);
  }
}
@keyframes aurora-breathe {
  0%,
  100% {
    opacity: calc(var(--aurora-opacity) * 0.7);
  }
  50% {
    opacity: var(--aurora-opacity);
  }
}
.celestial {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: left 60s linear, top 60s linear;
  animation: bob 9s ease-in-out infinite;
}
.celestial[data-body='sun'] {
  background: radial-gradient(circle at 40% 40%, #fff4d6, #ffd479 60%, #ffae42);
  box-shadow: 0 0 50px 14px rgba(255, 196, 90, 0.55);
}
.celestial[data-body='moon'] {
  background: radial-gradient(circle at 38% 38%, #ffffff, #cdd6f5 55%, #aab6e0);
  box-shadow: 0 0 36px 8px rgba(180, 200, 255, 0.4);
}
@keyframes bob {
  0%,
  100% {
    margin-top: 0;
  }
  50% {
    margin-top: 5px;
  }
}

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

.topbar,
.modebar,
.play,
.keyboard {
  width: 100%;
  max-width: var(--maxw);
  padding-inline: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px 6px;
  gap: 10px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
}
.brand-mark {
  color: var(--correct);
  display: grid;
  place-items: center;
  filter: drop-shadow(0 0 8px var(--correct-glow));
  animation: twinkle 4s ease-in-out infinite;
}
@keyframes twinkle {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.78;
    transform: scale(0.92) rotate(8deg);
  }
}
.brand-name {
  font-weight: 900;
  font-size: clamp(1.4rem, 6vw, 1.9rem);
  letter-spacing: 0.5px;
  background: linear-gradient(120deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.toolbar {
  display: flex;
  gap: 2px;
}
.icon-btn {
  background: transparent;
  border: 0;
  color: var(--muted);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, transform 0.1s;
}
.icon-btn:hover {
  color: var(--text);
  background: var(--accent-soft);
}
.icon-btn:active {
  transform: scale(0.92);
}
.theme-glyph {
  font-size: 20px;
  line-height: 1;
}

/* ---- Mode bar ------------------------------------------------------------ */

.modebar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-block: 6px 10px;
}
.mode-tabs {
  display: inline-flex;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 4px;
  backdrop-filter: blur(10px);
}
.mode-tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.18s, background 0.18s;
}
.mode-tab.is-active {
  color: var(--glyph);
  background: var(--accent);
}
.unlimited-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.len-select {
  display: inline-flex;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  overflow: hidden;
}
.len-btn {
  border: 0;
  background: var(--panel);
  color: var(--muted);
  width: 34px;
  height: 32px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}
.len-btn.is-active {
  background: var(--accent-soft);
  color: var(--text);
}
.pill-btn {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 7px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.pill-btn:hover {
  border-color: var(--accent);
}
.daily-meta {
  margin-left: auto;
  text-align: right;
  line-height: 1.15;
}
.puzzle-no {
  display: block;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  color: var(--accent);
}
.puzzle-sub {
  font-size: 0.72rem;
  color: var(--muted);
}

/* ---- Play area ----------------------------------------------------------- */

.play {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.message {
  min-height: 1.4em;
  margin: 4px 0 12px;
  text-align: center;
  font-weight: 500;
  color: var(--text);
  font-size: 0.95rem;
  max-width: 40ch;
  text-wrap: balance;
}
.board-wrap {
  position: relative;
  width: 100%;
  max-width: min(360px, 86vw);
  margin-inline: auto;
}
.board {
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  gap: 7px;
  width: 100%;
}
.row {
  display: grid;
  grid-template-columns: repeat(var(--len, 5), 1fr);
  gap: 7px;
}
.tile {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--tile-radius);
  background: var(--glass-tile);
  border: 1.5px solid var(--glass-tile-border);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: border-color 0.15s, background 0.15s, transform 0.08s;
}
.tile-face {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: clamp(1.3rem, 7.5vw, 2rem);
  text-transform: uppercase;
  line-height: 1;
  z-index: 2;
}
.tile.filled {
  border-color: var(--accent);
}
.tile.filled.pop {
  animation: pop 0.16s var(--ease-spring);
}
@keyframes pop {
  0% {
    transform: scale(1);
  }
  55% {
    transform: scale(1.12);
  }
  100% {
    transform: scale(1);
  }
}

/* idle breathing for empty tiles */
.tile:not(.filled):not([data-state]) {
  animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe {
  0%,
  100% {
    box-shadow: inset 0 0 0 rgba(255, 255, 255, 0);
  }
  50% {
    box-shadow: inset 0 0 12px var(--accent-soft);
  }
}

/* ignite reveal */
.tile.reveal {
  animation: ignite 0.5s ease both;
  animation-delay: var(--reveal-delay, 0s);
}
@keyframes ignite {
  0% {
    transform: scale(0.9);
  }
  45% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}
.tile.reveal::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, #fff, transparent 68%);
  opacity: 0;
  z-index: 1;
  animation: igniteFlash 0.5s ease both;
  animation-delay: var(--reveal-delay, 0s);
  pointer-events: none;
}
@keyframes igniteFlash {
  0% {
    opacity: 0;
  }
  45% {
    opacity: 0.55;
  }
  100% {
    opacity: 0;
  }
}

/* tile states */
.tile[data-state='correct'] {
  background: var(--correct);
  border-color: transparent;
  color: var(--glyph);
  box-shadow: 0 0 18px var(--correct-glow);
}
.tile[data-state='present'] {
  background: var(--present);
  border-color: transparent;
  color: var(--glyph);
  box-shadow: 0 0 16px var(--present-glow);
}
.tile[data-state='absent'] {
  background: var(--absent-tile);
  border-color: transparent;
  color: var(--muted);
}
.tile[data-state='correct'] .tile-face,
.tile[data-state='present'] .tile-face {
  color: var(--glyph);
}

/* win bounce */
.tile.win-bounce {
  animation: winbounce 0.6s var(--ease-spring) both;
  animation-delay: var(--bounce-delay, 0s);
}
@keyframes winbounce {
  0% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-14px) scale(1.04);
  }
  100% {
    transform: translateY(0);
  }
}

/* invalid shake */
.row.shake {
  animation: shake 0.38s ease;
}
@keyframes shake {
  10%,
  90% {
    transform: translateX(-2px);
  }
  20%,
  80% {
    transform: translateX(4px);
  }
  30%,
  50%,
  70% {
    transform: translateX(-6px);
  }
  40%,
  60% {
    transform: translateX(6px);
  }
}

/* colorblind glyphs */
body.show-glyphs .tile[data-state]::after {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: 0.62rem;
  line-height: 1;
  z-index: 3;
  opacity: 0.92;
  animation: glyphIn 0.3s ease both;
}
@keyframes glyphIn {
  from {
    opacity: 0;
    transform: scale(0.6);
  }
  to {
    opacity: 0.92;
    transform: scale(1);
  }
}
body.reduced-motion .tile[data-state]::after {
  animation: none !important;
}
body.show-glyphs .tile[data-state='correct']::after {
  content: '★';
  color: var(--glyph);
}
body.show-glyphs .tile[data-state='present']::after {
  content: '○';
  color: var(--glyph);
}
body.show-glyphs .tile[data-state='absent']::after {
  content: '·';
  color: var(--muted);
  font-size: 1rem;
  top: -2px;
}
body.high-contrast.show-glyphs .tile[data-state]::after {
  font-size: 0.85rem;
  font-weight: 700;
}

/* constellation reward */
.constellation-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: 100%;
  pointer-events: none;
  z-index: 5;
  overflow: visible;
}
.const-line {
  fill: none;
  stroke: var(--star);
  stroke-width: 1.5;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px var(--correct-glow));
  opacity: 0.9;
}
.const-star {
  fill: #fff;
  filter: drop-shadow(0 0 5px var(--correct));
}
.constellation-label {
  position: absolute;
  left: 50%;
  bottom: -34px;
  transform: translateX(-50%);
  font-family: 'Fraunces', serif;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  text-shadow: 0 0 12px var(--accent-soft);
}
.constellation-label.rise {
  animation: rise 0.6s ease both;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translate(-50%, 10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* ---- Keyboard ------------------------------------------------------------ */

.keyboard {
  margin: 22px auto 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  touch-action: manipulation;
}
.key-row {
  display: flex;
  gap: 5px;
  justify-content: center;
}
.key {
  position: relative;
  flex: 1;
  height: 54px;
  min-width: 0;
  border: 0;
  border-radius: 9px;
  background: var(--key);
  color: var(--key-text);
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 2px 0 var(--key-shadow);
  transition: transform 0.08s, box-shadow 0.08s, background 0.25s, color 0.25s;
  overflow: hidden;
}
.key-wide {
  flex: 1.5;
  font-size: 0.74rem;
}
.key.press,
.key:active {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--key-shadow);
}
.key[data-state='correct'] {
  background: var(--correct);
  color: var(--glyph);
}
.key[data-state='present'] {
  background: var(--present);
  color: var(--glyph);
}
.key[data-state='absent'] {
  background: var(--absent);
  color: #cdd4ee;
}
body.show-glyphs .key[data-state]::after {
  position: absolute;
  top: 3px;
  right: 5px;
  font-size: 0.55rem;
  opacity: 0.9;
}
body.show-glyphs .key[data-state='correct']::after {
  content: '★';
}
body.show-glyphs .key[data-state='present']::after {
  content: '○';
}
body.show-glyphs .key[data-state='absent']::after {
  content: '·';
  font-size: 0.9rem;
  top: -3px;
}

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

.overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(4, 6, 16, 0.6);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.overlay.show {
  opacity: 1;
}
.modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: 86vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 24px 22px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  transform: translateY(8px);
  transition: transform 0.25s var(--ease-spring);
}
.overlay.show .modal {
  transform: translateY(0);
}
.modal-title {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 12px;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}
.modal p {
  color: var(--text);
  line-height: 1.55;
  font-size: 0.92rem;
}
.modal .hint,
.muted-line {
  color: var(--muted);
  font-size: 0.86rem;
}
.legend {
  list-style: none;
  padding: 0;
  margin: 14px 0;
  display: grid;
  gap: 10px;
}
.legend li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
}
.legend-tile {
  position: relative;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}
.legend-tile::after {
  content: attr(data-glyph);
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: 0.55rem;
}
.legend-tile.correct {
  background: var(--correct);
  color: var(--glyph);
}
.legend-tile.present {
  background: var(--present);
  color: var(--glyph);
}
.legend-tile.absent {
  background: var(--absent-tile);
  color: var(--muted);
}
.legend-tile.absent::after {
  font-size: 0.95rem;
  top: -3px;
}

kbd {
  font-family: inherit;
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.8rem;
}

/* stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}
.stat-card {
  text-align: center;
}
.stat-num {
  display: block;
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text);
}
.stat-label {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.subhead {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 8px;
}
.dist {
  display: grid;
  gap: 5px;
}
.dist-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}
.dist-guess {
  width: 12px;
  color: var(--muted);
}
.dist-bar-track {
  flex: 1;
}
.dist-bar {
  background: var(--absent);
  color: #fff;
  text-align: right;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.74rem;
  font-weight: 700;
  min-width: 24px;
  transition: width 0.5s ease;
}
.dist-bar.is-current {
  background: var(--correct);
  color: var(--glyph);
  box-shadow: 0 0 12px var(--correct-glow);
}
.countdown {
  text-align: center;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}
.countdown strong {
  font-family: 'Fraunces', serif;
  color: var(--text);
  font-size: 1.05rem;
}
.modal-actions {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 10px;
}
.primary-btn {
  background: var(--accent);
  color: #fff;
  border: 0;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 6px 20px var(--accent-soft);
}
.primary-btn:hover {
  box-shadow: 0 8px 28px var(--accent-soft);
}
.primary-btn:active {
  transform: scale(0.97);
}
.ghost-btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text);
  font-family: inherit;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
}
.ghost-btn:hover {
  border-color: var(--accent);
}

/* settings */
.settings-list {
  list-style: none;
  margin: 4px 0 10px;
  padding: 0;
  display: grid;
  gap: 4px;
}
.settings-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--panel-border);
}
.settings-list strong {
  display: block;
  font-size: 0.92rem;
}
.settings-list span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  margin-top: 2px;
}
.switch {
  position: relative;
  flex: none;
  width: 46px;
  height: 26px;
  cursor: pointer;
}
.switch input {
  position: absolute;
  opacity: 0;
}
.switch .track {
  position: absolute;
  inset: 0;
  background: var(--absent);
  border-radius: 999px;
  transition: background 0.2s;
}
.switch .track::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s var(--ease-spring);
}
.switch input:checked + .track {
  background: var(--accent);
}
.switch input:checked + .track::before {
  transform: translateX(20px);
}
.switch input:focus-visible + .track {
  outline: 2.5px solid var(--focus-ring);
  outline-offset: 2px;
}
.credit {
  text-align: center;
  color: var(--muted);
  font-size: 0.74rem;
  margin: 16px 0 0;
}
.credit a {
  color: var(--accent);
}
.credit.no-link a {
  display: none;
}

/* star chart */
.chart-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}
.chart-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--accent-soft);
  border-radius: 10px;
}
.chart-star {
  color: var(--accent);
  font-size: 1.1rem;
}
.chart-meta {
  flex: 1;
  line-height: 1.25;
}
.chart-meta strong {
  font-family: 'Fraunces', serif;
}
.chart-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
}
.chart-date {
  color: var(--muted);
  font-size: 0.72rem;
}
.empty-chart {
  color: var(--muted);
  text-align: center;
  padding: 20px 0;
}

/* toast */
.toast {
  position: fixed;
  top: 76px;
  left: 50%;
  transform: translate(-50%, -10px);
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 10px 18px;
  border-radius: 10px;
  z-index: 90;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  max-width: 90vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---- Reduced motion ------------------------------------------------------ */

body.reduced-motion .aurora,
body.reduced-motion .celestial,
body.reduced-motion .brand-mark,
body.reduced-motion .tile,
body.reduced-motion .tile.reveal,
body.reduced-motion .tile.reveal::before,
body.reduced-motion .tile.win-bounce,
body.reduced-motion .tile.pop,
body.reduced-motion .row.shake,
body.reduced-motion .constellation-label.rise,
body.reduced-motion .const-line {
  animation: none !important;
}
body.reduced-motion .const-line {
  stroke-dashoffset: 0 !important;
}
body.reduced-motion .celestial {
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
  }
}

/* ---- Responsive ---------------------------------------------------------- */

@media (max-width: 420px) {
  .key {
    height: 48px;
    font-size: 0.95rem;
  }
  .board-wrap {
    max-width: 80vw;
  }
  .daily-meta {
    width: 100%;
    text-align: left;
    margin-left: 0;
    display: flex;
    gap: 8px;
    align-items: baseline;
  }
}

@media (min-height: 760px) {
  .board-wrap {
    max-width: 340px;
  }
}

/* very small phones (landscape, tiny devices): keep keys legible */
@media (max-width: 320px) {
  .key {
    min-width: 24px;
    font-size: 0.82rem;
  }
  .key-wide {
    font-size: 0.58rem;
  }
  .key-row {
    gap: 4px;
  }
}