@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --yellow: #F9DF6D;
  --green:  #A0C35A;
  --blue:   #6ABEDC;
  --purple: #BA81C5;
  --grey-light:    #E0E0E0;
  --tw-bg:         #FFE8C4;
  --tw-bg-hover:   #FFD9A0;
  --grey-mid:      #CCCCCC;
  --grey-selected: #909090;
  --grey-dark:     #555555;
  --text: #1a1a1a;
}

body {
  font-family: 'Outfit', sans-serif;
  background: #fff;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 12px 40px;
}

/* ── HEADER ── */
#header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  user-select: none;
}
#header img { width: 48px; height: 48px; }
#header h1  { font-size: 2rem; font-weight: 800; letter-spacing: -0.5px; }

#puzzle-number {
  font-size: 0.75rem;
  color: #999;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

/* ── INSTRUCTION ── */
#instruction {
  font-size: clamp(0.5rem, 2.4vw, 0.72rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #666;
  text-align: center;
  margin-bottom: 10px;
  width: 100%;
  max-width: 500px;
}

.instruction-line {
  display: block;
  white-space: nowrap;
  overflow: hidden;
}

.instruction-line:first-child {
  margin-bottom: 0.5em;
}

/* ── BOARD WRAPPER — CSS grid, 3fr tile area + 1fr TW column ── */
#board-wrapper {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 6px;
  width: 100%;
  max-width: 500px;
}

/* ── SOLVED ROWS ── */
.solved-row {
  /* default: occupies only the tile-grid column */
  grid-column: 1;
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  animation: slideDown 0.4s ease;
  min-height: 64px;
}

/* When throughword is solved the row spans all four columns */
.solved-row.full-width {
  grid-column: 1 / -1;
}

.solved-row .row-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.solved-row .row-words {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── TILE GRID ── */
#grid {
  /* grid-column / grid-row set by JS */
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  align-content: start;
}

.tile {
  background: #fff;
  border: 2px solid var(--grey-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* font-size set per-tile by JS based on word length */
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  user-select: none;
  padding: 6px 4px;
  min-height: 64px;
  transition: background 0.1s, border-color 0.1s;
  line-height: 1.2;
  word-break: break-word;
}

.tile:hover   { border-color: #aaa; }
.tile.selected { background: var(--grey-selected); border-color: var(--grey-selected); }

.tile.shake { animation: shake 0.4s ease; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}

/* ── THROUGHWORD COLUMN ── */
#throughword-col {
  /* grid-column: 2 always; grid-row set by JS */
  grid-column: 2;
  background: var(--tw-bg);
  border: 2px solid #BBBBBB;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
  min-height: 52px;
}

#throughword-col:hover:not(.solved) { background: var(--tw-bg-hover); }

.tw-lock {
  font-size: 1.6rem;
  line-height: 1;
}

/* Throughword solved — split into individual cells */
#throughword-col.solved {
  border-color: transparent;
  background: transparent;
  cursor: default;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  pointer-events: none;
  align-items: stretch;
}

.tw-cell {
  flex: 1;
  border-radius: 8px;
  background: var(--tw-bg);
  border: 2px solid var(--tw-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #666;
  cursor: pointer;
  pointer-events: all;
  transition: background 0.1s, border-color 0.1s;
  user-select: none;
  min-height: 64px;
  padding: 4px 2px;
  line-height: 1.2;
  word-break: break-word;
}

.tw-cell:hover  { border-color: #aaa; }
.tw-cell.selected { background: var(--grey-selected); border-color: var(--grey-selected); }

/* ── BUTTONS ── */
#buttons {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

button {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  border: 2px solid var(--grey-dark);
  border-radius: 999px;
  padding: 8px 22px;
  cursor: pointer;
  background: #fff;
  color: var(--grey-dark);
  transition: background 0.15s, color 0.15s;
}

button:hover:not(:disabled) { background: var(--grey-dark); color: #fff; }

button:disabled {
  opacity: 0.35;
  cursor: default;
  border-color: var(--grey-mid);
  color: var(--grey-mid);
}

#submit-btn,
#modal-submit { background: var(--grey-dark); color: #fff; }

#submit-btn:disabled,
#modal-submit:disabled { background: #fff; color: var(--grey-mid); border-color: var(--grey-mid); }

#submit-btn:hover:not(:disabled),
#modal-submit:hover:not(:disabled) { background: #333; border-color: #333; }

/* ── LIFELINES (below buttons) ── */
#lifelines {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

#lifelines-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #999;
  margin-right: 2px;
  user-select: none;
}

.lifeline {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--grey-dark);
}

.lifeline.lost {
  background: transparent;
  border: 2px solid var(--grey-mid);
}

/* ── COPY RESULTS ── */
#copy-btn {
  margin-top: 16px;
  display: none;
  background: var(--grey-dark);
  color: #fff;
  border-color: var(--grey-dark);
  font-size: 0.85rem;
  padding: 10px 28px;
}
#copy-btn:hover { background: #333; border-color: #333; }

/* ── RESULT MESSAGE ── */
#result-msg {
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #c0392b;
  display: none;
  text-align: center;
  line-height: 1.8;
}

#throughword-reveal {
  display: inline;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #1a1a1a;
  margin-top: 4px;
}

/* ── INCORRECT POPUP ── */
#popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #1a1a1a;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  padding: 16px 36px;
  border-radius: 12px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 1000;
}
#popup.show { opacity: 1; }

/* ── MODAL ── */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
}
#modal-overlay.open { display: flex; }

#modal {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

#modal h2 {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-align: center;
}

#tw-input {
  width: 100%;
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
  border: 2px solid var(--grey-mid);
  border-radius: 8px;
  padding: 10px;
  outline: none;
  transition: border-color 0.15s;
}
#tw-input:focus { border-color: var(--grey-dark); }
#tw-input::placeholder { color: #CCCCCC; }

#modal-buttons { display: flex; gap: 10px; }

#modal-prev-guesses {
  display: none;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #c0392b;
  text-align: center;
  line-height: 1.5;
}

#modal-prev-guesses.visible { display: block; }

/* ── COLOUR CLASSES ── */
.color-yellow { background: var(--yellow); }
.color-green  { background: var(--green); }
.color-blue   { background: var(--blue); }
.color-purple { background: var(--purple); }

/* ── RESPONSIVE ── */
@media (max-width: 420px) {
  #header h1 { font-size: 1.5rem; }
}