:root {
  --bg: #ffffff;
  --ink: #1a1a1b;
  --muted: #787c7e;
  --line: #d3d6da;
  --tile: #ffffff;
  --tileb: #878a8c;
  --key: #d3d6da;
  --keyink: #1a1a1b;
  --green: #6aaa64;
  --yellow: #c9b458;
  --gray: #787c7e;
  --card: #f6f7f8;
}

[data-theme="dark"] {
  --bg: #121213;
  --ink: #f8f8f8;
  --muted: #818384;
  --line: #3a3a3c;
  --tile: #121213;
  --tileb: #565758;
  --key: #818384;
  --keyink: #f8f8f8;
  --green: #538d4e;
  --yellow: #b59f3b;
  --gray: #3a3a3c;
  --card: #1a1a1b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Libre Franklin', system-ui, sans-serif;
  transition: background .25s, color .25s;
}

a { color: var(--ink); }
a:hover { color: var(--green); }
input:focus { outline: none; }

@keyframes pop {
  0% { transform: scale(.8); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}
@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

/* Layout */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 0 48px;
}

.header {
  width: 100%;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.icon-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  border-radius: 6px;
  transition: background .15s;
}
.icon-btn:hover { background: var(--card); }

.title {
  margin: 0;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: flex;
  gap: 1px;
}
.title .mut { color: var(--muted); }

.grid {
  width: 100%;
  max-width: 1180px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr));
  gap: 36px;
  align-items: start;
  margin-top: 8px;
}

.col-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

/* Green tiles */
.greens-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.swatch {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  flex: none;
}

.green-tiles { display: flex; gap: 6px; }

.green-tile {
  width: 60px;
  height: 60px;
  text-align: center;
  font-family: inherit;
  font-size: 30px;
  font-weight: 800;
  text-transform: uppercase;
  border: 2px solid var(--tileb);
  background: var(--tile);
  color: var(--ink);
  border-radius: 2px;
  caret-color: transparent;
  cursor: pointer;
  padding: 0;
}
.green-tile:focus { border-color: var(--ink); }

.hint-small { font-size: 12px; color: var(--muted); }

/* Present / absent inputs */
.clue-inputs {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 14px;
  margin-top: 26px;
}

.clue-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.clue-input {
  height: 48px;
  padding: 0 14px;
  font-family: inherit;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: var(--tile);
  color: var(--ink);
}
.clue-input::placeholder { color: var(--muted); }
.clue-input[data-accent="yellow"]:focus { border-color: var(--yellow); }
.clue-input[data-accent="muted"]:focus { border-color: var(--muted); }

/* Keyboard */
.keyboard {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 26px;
}

.kb-row {
  display: flex;
  justify-content: center;
  gap: 5px;
}
.kb-row + .kb-row { margin-top: 6px; }

.key {
  height: 52px;
  flex: 1;
  min-width: 0;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  background: var(--key);
  color: var(--keyink);
  transition: background .15s, transform .1s;
  user-select: none;
}
.key:active { transform: scale(.94); }

.kb-hint {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.yellow { color: var(--yellow); }

/* Results */
.results {
  width: 100%;
  min-width: 0;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.results-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.count { font-size: 22px; font-weight: 800; }
.count-label { font-size: 14px; font-weight: 600; color: var(--muted); }
.hint { font-size: 12px; color: var(--muted); }

.empty {
  text-align: center;
  padding: 40px 0;
  color: var(--muted);
  font-size: 15px;
  animation: shake .5s;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(150px, 100%), 1fr));
  gap: 10px;
}

.word-btn {
  display: flex;
  gap: 3px;
  justify-content: center;
  padding: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 6px;
  animation: pop .25s;
  transition: background .15s;
}
.word-btn:hover { background: var(--card); }

.word-tile {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: inherit;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  border-radius: 2px;
  border: 2px solid var(--line);
  background: var(--tile);
  color: var(--ink);
}

.more { text-align: center; font-size: 13px; color: var(--muted); }

/* Footer */
.footer {
  width: 100%;
  max-width: 640px;
  padding: 0 16px;
  margin-top: 56px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  text-align: center;
  text-wrap: pretty;
}
.footer .strong { font-weight: 600; }
.footer .brand { font-weight: 800; color: var(--ink); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.toast.show { opacity: 1; }