:root {
  --bg:             #111113;
  --surface:        #1c1c1e;
  --border:         #3a3a3c;
  --border-filled:  #6e6e70;
  --text:           #f0f0f0;
  --text-muted:     #888;
  --correct:        #538d4e;
  --present:        #b59f3b;
  --absent:         #3a3a3c;
  --key-bg:         #818384;
  --accent:         #e84118;
  --accent-hover:   #ff5733;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

/* ── Header ─────────────────────────────── */

header {
  width: 100%;
  max-width: 500px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.header-spacer {
  width: 36px;
}

.header-center {
  text-align: center;
}

h1 {
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent);
  line-height: 1;
}

.tagline {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

.header-actions {
  width: 36px;
  display: flex;
  justify-content: flex-end;
}

#info-btn {
  background: none;
  border: 2px solid var(--border);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}

#info-btn:hover {
  border-color: var(--text);
  color: var(--text);
}

/* ── Board ───────────────────────────────── */

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 0 12px;
  gap: 10px;
}

#board {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.row {
  display: flex;
  gap: 5px;
}

.tile {
  width: var(--tile-size, 62px);
  height: var(--tile-size, 62px);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--tile-font, 2rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--text);
  user-select: none;
  flex-shrink: 0;
}

.tile.filled {
  border-color: var(--border-filled);
}

.tile.correct { background: var(--correct); border-color: var(--correct); color: #fff; }
.tile.present { background: var(--present); border-color: var(--present); color: #fff; }
.tile.absent  { background: var(--absent);  border-color: var(--absent);  color: #fff; }

.tile.flipping {
  animation: tileFlip 0.5s ease-in-out;
}

.tile.shake {
  animation: tileShake 0.45s ease;
}

@keyframes tileFlip {
  0%   { transform: perspective(250px) rotateX(0deg); }
  50%  { transform: perspective(250px) rotateX(-90deg); }
  100% { transform: perspective(250px) rotateX(0deg); }
}

@keyframes tileShake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-6px); }
  80%       { transform: translateX(6px); }
}

/* ── Message & Lyric ─────────────────────── */

#message {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text);
}

/* ── Keyboard ────────────────────────────── */

#keyboard {
  width: 100%;
  max-width: 500px;
  padding: 0 8px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.key-row {
  display: flex;
  justify-content: center;
  gap: 5px;
}

.key {
  flex: 1;
  max-width: 43px;
  height: 58px;
  border: none;
  border-radius: 3px;
  background: var(--key-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.key.wide {
  max-width: 66px;
  font-size: 0.68rem;
}

.key:active { filter: brightness(0.82); }

.key.correct { background: var(--correct); }
.key.present { background: var(--present); }
.key.absent  { background: var(--absent); }

/* ── Share Modal ─────────────────────────── */

#share-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 16px;
}

#share-overlay.hidden {
  display: none;
}

#share-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 100%;
  max-width: 360px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.share-top {
  padding: 28px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#share-modal h2 {
  font-size: 0.95rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
}

.share-lyric {
  font-size: 0.88rem;
  font-style: italic;
  line-height: 1.7;
  color: #bbb;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  margin: 0;
}

.share-divider {
  height: 1px;
  background: var(--border);
}

.share-bottom {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.share-result {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text);
}

.share-emoji-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.share-emoji-row {
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: 2px;
}

#share-copy-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  border: none;
  border-radius: 3px;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  cursor: pointer;
  transition: background 0.15s;
}

#share-copy-btn:hover { background: var(--accent-hover); }

#share-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  padding: 4px 0;
  transition: color 0.15s;
  text-decoration: underline;
  text-underline-offset: 3px;
}

#share-close-btn:hover {
  color: var(--text);
}

/* ── Modal ───────────────────────────────── */

#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

#modal-overlay.hidden {
  display: none;
}

#modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 22px 22px;
  width: 100%;
  max-width: 400px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

#modal h2 {
  font-size: 0.95rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  text-align: center;
  margin-bottom: 20px;
}

.modal-section {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.modal-section:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.modal-section p {
  font-size: 0.83rem;
  line-height: 1.65;
  color: #ccc;
  margin-bottom: 10px;
}

.modal-section p:last-child { margin-bottom: 0; }
.modal-section strong { color: var(--text); }

.example {
  margin: 10px 0;
}

.example-tiles {
  display: flex;
  gap: 4px;
  margin-bottom: 5px;
}

.example-tile {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  border: 2px solid transparent;
}

.example-tile.correct { background: var(--correct); }
.example-tile.present { background: var(--present); }
.example-tile.absent  { background: var(--absent); }
.example-tile.empty   { border-color: var(--border); color: var(--text); }

.clabel { font-weight: 900; }
.correct-label { color: var(--correct); }
.present-label { color: var(--present); }
.absent-label  { color: #999; }

#modal-close {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  background: var(--accent);
  border: none;
  border-radius: 3px;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  cursor: pointer;
  transition: background 0.15s;
}

#modal-close:hover {
  background: var(--accent-hover);
}

/* ── Responsive ──────────────────────────── */

@media (max-width: 380px) {
  .tile {
    width: 52px;
    height: 52px;
    font-size: 1.65rem;
  }

  .key {
    max-width: 34px;
    height: 52px;
  }

  .key.wide {
    max-width: 54px;
    font-size: 0.6rem;
  }
}