:root {
  --bg: #0f172a; --surface: #1e293b; --surface2: #334155;
  --text: #f1f5f9; --muted: #94a3b8; --border: #475569;
  --accent: #0ea5e9; --accent2: #06b6d4;
  --green: #10b981; --yellow: #f59e0b; --blue: #3b82f6; --purple: #8b5cf6;
  --green-bg: #065f46; --yellow-bg: #78350f; --blue-bg: #1e3a5f; --purple-bg: #4c1d95;
  --green-light: #d1fae5; --yellow-light: #fef3c7; --blue-light: #dbeafe; --purple-light: #ede9fe;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { background:var(--bg); color:var(--text); font-family:'Source Serif 4',Georgia,serif; min-height:100vh; display:flex; flex-direction:column; align-items:center; }

/* NAV */
.nav { width:100%; padding:1rem 2rem; display:flex; align-items:center; justify-content:center; border-bottom:1px solid rgba(255,255,255,0.06); }
.nav a { font-family:'Playfair Display',serif; font-weight:900; font-size:1.2rem; color:var(--text); text-decoration:none; display:flex; align-items:center; gap:0.5rem; }
.nav img { width:28px; height:28px; border-radius:5px; }

/* HEADER */
.game-header { text-align:center; padding:2rem 1.5rem 1rem; max-width:540px; }
.game-logo { font-family:'JetBrains Mono',monospace; font-size:0.65rem; letter-spacing:3px; text-transform:uppercase; color:var(--accent); margin-bottom:0.5rem; }
.game-title { font-family:'Playfair Display',serif; font-size:2rem; margin-bottom:0.4rem; background:linear-gradient(135deg,var(--accent),var(--accent2)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.game-subtitle { font-size:0.95rem; color:var(--muted); line-height:1.5; }
.game-meta { font-family:'JetBrains Mono',monospace; font-size:0.65rem; color:var(--border); margin-top:0.8rem; letter-spacing:1px; }

/* SOLVED ROWS */
.solved-area { width:100%; max-width:540px; padding:0 1rem; }
.solved-row { border-radius:12px; padding:1rem; margin-bottom:0.5rem; text-align:center; animation:solvedPop 0.5s cubic-bezier(0.22,1,0.36,1); }
.solved-row.green { background:var(--green-bg); border:1px solid var(--green); }
.solved-row.yellow { background:var(--yellow-bg); border:1px solid var(--yellow); }
.solved-row.blue { background:var(--blue-bg); border:1px solid var(--blue); }
.solved-row.purple { background:var(--purple-bg); border:1px solid var(--purple); }
.solved-category { font-family:'JetBrains Mono',monospace; font-size:0.7rem; letter-spacing:1.5px; text-transform:uppercase; margin-bottom:0.3rem; font-weight:700; }
.solved-words { font-size:0.9rem; color:rgba(255,255,255,0.8); }
@keyframes solvedPop { 0%{transform:scale(0.9);opacity:0} 100%{transform:scale(1);opacity:1} }

/* GRID */
.grid-area { width:100%; max-width:540px; padding:0.5rem 1rem; }
.grid { display:grid; grid-template-columns:repeat(4,1fr); gap:0.5rem; }
.tile { font-family:'JetBrains Mono',monospace; font-size:0.72rem; font-weight:700; letter-spacing:0.5px; text-transform:uppercase; background:var(--surface); border:2px solid var(--border); border-radius:10px; padding:1.2rem 0.5rem; text-align:center; cursor:pointer; transition:all 0.2s cubic-bezier(0.22,1,0.36,1); user-select:none; color:var(--text); line-height:1.3; min-height:64px; display:flex; align-items:center; justify-content:center; }
.tile:hover { background:var(--surface2); transform:translateY(-2px); border-color:var(--accent); }
.tile.selected { background:var(--accent); border-color:var(--accent2); color:#fff; transform:scale(0.96); box-shadow:0 0 16px rgba(14,165,233,0.3); }
.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)} }
.tile.hidden { opacity:0; pointer-events:none; height:0; padding:0; margin:0; min-height:0; border:none; overflow:hidden; }

/* CONTROLS */
.controls { display:flex; gap:0.6rem; justify-content:center; padding:1rem; max-width:540px; width:100%; flex-wrap:wrap; }
.btn { font-family:'JetBrains Mono',monospace; font-size:0.7rem; letter-spacing:1px; text-transform:uppercase; padding:0.65rem 1.5rem; border-radius:8px; border:2px solid var(--border); background:transparent; color:var(--text); cursor:pointer; transition:all 0.2s; }
.btn:hover { border-color:var(--accent); color:var(--accent); }
.btn.primary { background:var(--accent); border-color:var(--accent); color:#fff; }
.btn.primary:hover { background:var(--accent2); border-color:var(--accent2); }
.btn:disabled { opacity:0.3; pointer-events:none; }

/* MISTAKES */
.mistakes { text-align:center; padding:0.3rem; font-family:'JetBrains Mono',monospace; font-size:0.7rem; color:var(--muted); }
.mistake-dots { display:flex; gap:0.3rem; justify-content:center; margin-top:0.3rem; }
.mistake-dot { width:12px; height:12px; border-radius:50%; background:var(--accent); transition:background 0.3s; }
.mistake-dot.lost { background:var(--surface2); }

/* MODAL */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.7); backdrop-filter:blur(6px); z-index:100; align-items:center; justify-content:center; }
.modal-overlay.visible { display:flex; }
.modal { background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:2.5rem; max-width:420px; width:90%; text-align:center; animation:modalIn 0.4s cubic-bezier(0.22,1,0.36,1); }
@keyframes modalIn { 0%{transform:scale(0.9) translateY(20px);opacity:0} 100%{transform:scale(1) translateY(0);opacity:1} }
.modal h2 { font-family:'Playfair Display',serif; font-size:1.6rem; margin-bottom:0.5rem; }
.modal p { color:var(--muted); font-size:0.95rem; margin-bottom:1.2rem; line-height:1.5; }
.modal .result-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:4px; margin:1rem 0; }
.modal .result-cell { width:100%; aspect-ratio:1; border-radius:4px; }
.modal .result-cell.green { background:var(--green); }
.modal .result-cell.yellow { background:var(--yellow); }
.modal .result-cell.blue { background:var(--blue); }
.modal .result-cell.purple { background:var(--purple); }
.modal .result-cell.miss { background:var(--surface2); }
.share-text { font-family:'JetBrains Mono',monospace; font-size:0.7rem; color:var(--muted); margin-top:0.8rem; }
.modal .btn { margin-top:1rem; }

/* HOW TO PLAY */
.how-to { max-width:540px; width:100%; padding:0 1rem; margin-bottom:1rem; }
.how-toggle { font-family:'JetBrains Mono',monospace; font-size:0.65rem; letter-spacing:1.5px; text-transform:uppercase; color:var(--muted); cursor:pointer; text-align:center; padding:0.5rem; transition:color 0.2s; }
.how-toggle:hover { color:var(--accent); }
.how-content { display:none; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:1.5rem; margin-top:0.5rem; font-size:0.9rem; color:var(--muted); line-height:1.6; }
.how-content.visible { display:block; }
.how-content strong { color:var(--text); }

/* FOOTER */
.game-footer { text-align:center; padding:2rem 1rem; color:var(--border); font-size:0.75rem; margin-top:auto; }
.game-footer a { color:var(--accent); text-decoration:none; }

/* NEXT PUZZLE TIMER */
.next-timer { font-family:'JetBrains Mono',monospace; font-size:0.8rem; color:var(--muted); margin-top:0.5rem; }

@media(max-width:500px) {
  .game-title { font-size:1.6rem; }
  .tile { font-size:0.6rem; padding:1rem 0.3rem; min-height:56px; }
  .grid { gap:0.35rem; }
  .btn { padding:0.55rem 1rem; font-size:0.62rem; }
}
@media(prefers-reduced-motion:reduce) { *{animation:none!important;transition-duration:0.01s!important} }