*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f0f0f;
  --surface: #1c1c1c;
  --border: #2a2a2a;
  --border2: #3d3d3d;
  --text: #e5e0d8;
  --text2: #7a7670;
  --text3: #444;
  --green: #538d4e;
  --green-light: #6aaf63;
  --yellow: #b59f3b;
  --yellow-light: #d4b94a;
  --dark: #3a3a3c;
  --tile: 52px;
  --gap: 5px;
}
html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  min-height: 100vh;
}
body {
  display: flex;
  flex-direction: column;
  align-items: center;
}
#root {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 40px;
}
.home-link {
  position: fixed;
  top: 18px;
  left: 18px;
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text3);
  text-decoration: none;
  transition: color .15s;
}
.home-link:hover { color: var(--text2); }
#yesterday {
  position: fixed;
  bottom: 18px;
  left: 18px;
  font-family: 'Space Mono', monospace;
  font-size: 8px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text3);
  line-height: 1.8;
}
#yesterday .yw {
  display: block;
  color: var(--text2);
  font-size: 11px;
  letter-spacing: .3em;
}
.hd {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 11px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--text2);
  margin: 8px 0 3px;
}
.sub {
  font-size: 9px;
  color: var(--text3);
  letter-spacing: .2em;
  margin-bottom: 20px;
}
.rule {
  width: 340px;
  height: 1px;
  background: var(--border);
  margin-bottom: 20px;
}
.scene-note {
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.board {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  margin-bottom: 20px;
}
.row { display: flex; gap: var(--gap); }
.tile {
  width: var(--tile);
  height: var(--tile);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .03em;
  text-transform: uppercase;
  border: 2px solid var(--border2);
  background: var(--surface);
  color: var(--text);
  transition: border-color .1s;
  user-select: none;
}
.tile.green  { background: var(--green);  border-color: var(--green);  color: #fff; }
.tile.yellow { background: var(--yellow); border-color: var(--yellow); color: #fff; }
.tile.dark   { background: var(--dark);   border-color: var(--dark);   color: #666; }
.tile.empty  { border-color: var(--border); background: transparent; color: var(--text2); }
.tile.active-input { border-color: var(--text2); }
.tile.pop  { animation: pop  .12s ease; }
.tile.shake { animation: shake .3s ease; }
.tile.win-bounce { animation: bounce .4s ease; }
.tile.invalid { color: #e05555; border-color: #e05555; animation: invalid-shake .5s ease; }
@keyframes pop    { 0%,100%{transform:scale(1)} 50%{transform:scale(1.08)} }
@keyframes shake  { 0%,100%{transform:translateX(0)} 20%,60%{transform:translateX(-5px)} 40%,80%{transform:translateX(5px)} }
@keyframes bounce { 0%,100%{transform:translateY(0)} 40%{transform:translateY(-10px)} }
@keyframes invalid-shake { 0%,100%{transform:translateX(0)} 10%{transform:translateX(-8px)} 30%{transform:translateX(8px)} 50%{transform:translateX(-6px)} 70%{transform:translateX(6px)} 90%{transform:translateX(-3px)} }
.fb {
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  min-height: 20px;
  text-align: center;
  margin-bottom: 8px;
}
.fb.err  { color: #e05555; }
.fb.ok   { color: var(--green-light); }
.fb.warn { color: var(--yellow-light); }
.ct {
  font-size: 9px;
  letter-spacing: .12em;
  color: var(--text3);
  text-align: center;
  margin-bottom: 14px;
}
.guess-wrap { width: 340px; margin-bottom: 12px; }
.glabel {
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--text2);
  text-transform: uppercase;
  margin-bottom: 7px;
}
.ginput-row { display: flex; gap: 6px; }
.ginput {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .3em;
  text-transform: uppercase;
  padding: 11px 12px;
  outline: none;
  text-align: center;
}
.ginput:focus { border-color: var(--text2); }
.gbtn {
  background: var(--text);
  color: var(--bg);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: none;
  padding: 0 18px;
  cursor: pointer;
  transition: opacity .15s;
  white-space: nowrap;
}
.gbtn:hover    { opacity: .82; }
.gbtn:disabled { opacity: .25; cursor: default; }
.reveal-btn {
  display: none;
  width: 340px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 10px;
  cursor: pointer;
  margin-bottom: 8px;
  transition: all .15s;
}
.reveal-btn:hover { border-color: var(--text2); color: var(--text); }
.revealed {
  display: none;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 28px;
  letter-spacing: .25em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text);
  margin: 6px 0;
}
.win-msg {
  display: none;
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  text-align: center;
  color: var(--green-light);
  margin-bottom: 10px;
}
.kb { display: flex; flex-direction: column; gap: 5px; width: 340px; margin-top: 6px; }
.kb-row { display: flex; gap: 3px; justify-content: center; }
.kk {
  background: var(--dark);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 10px;
  border: none;
  height: 36px;
  min-width: 26px;
  flex: 1;
  max-width: 34px;
  cursor: pointer;
  text-transform: uppercase;
  transition: background .12s, color .12s;
}
.kk.green  { background: var(--green);  color: #fff; }
.kk.yellow { background: var(--yellow); color: #fff; }
.kk.used   { background: #1e1e1e; color: #333; }
.kk-bksp   { min-width: 38px; max-width: 44px; font-size: 14px; }

@media (max-width: 400px) {
  :root { --tile: 44px; }
  .rule, .guess-wrap, .reveal-btn, .kb { width: 290px; }
}

/* Mode toggle */
.mode-toggle {
  display: flex;
  width: 340px;
  border: 1px solid var(--border2);
  margin-bottom: 20px;
}
.mode-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text2);
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 9px 0;
  cursor: pointer;
  transition: color .15s, border-color .15s;
  border-bottom: 2px solid transparent;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active { color: var(--text); border-bottom-color: var(--green); }

/* Layout */
#game-layout {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 48px;
}
@media (max-width: 760px) {
  #game-layout {
    flex-direction: column;
    align-items: center;
  }
}

/* Leaderboard */
#leaderboard {
  width: 240px;
  padding-top: 24px;
  margin-bottom: 48px;
  font-family: 'Space Mono', monospace;
}
@media (max-width: 760px) {
  #leaderboard {
    width: 340px;
    padding-top: 0;
    margin-top: 8px;
  }
}
.lb-title {
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 12px;
  text-align: center;
}
.lb-loading, .lb-empty {
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text3);
  text-align: center;
  padding: 16px 0;
}
.lb-table {
  width: 100%;
  border-collapse: collapse;
}
.lb-header th {
  font-size: 8px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text2);
  font-weight: 700;
  padding: 0 0 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.lb-header th:first-child { width: 28px; }
.lb-header th:nth-child(3), .lb-header th:nth-child(4) { text-align: right; }
.lb-row td {
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--text);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.lb-row td:first-child { color: var(--text2); font-size: 9px; }
.lb-row td:nth-child(3), .lb-row td:nth-child(4) { text-align: right; }
.lb-row.mine td { color: var(--green-light); }

/* Daily recap */
.daily-recap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px 0 20px;
}
.recap-solved {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--green-light);
}
.recap-stats {
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text2);
}

/* Arcade name modal */
.arcade-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.arcade-card {
  background: var(--bg);
  border: 1px solid var(--green);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 300px;
}
.arcade-heading {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 11px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--green-light);
}
.arcade-time {
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text2);
}
.arcade-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .5em;
  text-transform: uppercase;
  padding: 10px 12px;
  outline: none;
  text-align: center;
}
.arcade-input:focus { border-color: var(--green); }
.arcade-btns {
  display: flex;
  gap: 8px;
  width: 100%;
}
.arcade-btn {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 9px 0;
  cursor: pointer;
  transition: all .15s;
}
.arcade-btn:hover { border-color: var(--text2); color: var(--text); }
.arcade-btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.arcade-btn-primary:hover { opacity: .85; border-color: var(--green); color: #fff; }

@media (max-width: 400px) {
  .mode-toggle { width: 290px; }
  #leaderboard { width: 290px; }
  .arcade-card { width: 260px; }
}