/* ─── Font ───────────────────────────────────────────────────────────────── */
@font-face {
  font-family: 'SproutPixel';
  src: url('assets/font/pixelFont-7-8x14-sproutLands.ttf') format('truetype');
  font-display: swap;
}

/* ─── Custom Properties ──────────────────────────────────────────────────── */
:root {
  --cream:        #f5edd6;
  --parchment:    #e8d5a3;
  --warm-tan:     #c9a96e;
  --brown:        #7a5230;
  --dark-brown:   #4a2e10;
  --shadow-brown: rgba(74,46,16,0.35);
  --green:        #5a8a3c;
  --green-light:  #7db35a;
  --red:          #b83030;
  --gold:         #d4a017;
  --star-gold:    #f5c518;
  --star-empty:   #c9b07a;
  --sky-top:      #c8e6f5;
  --sky-bottom:   #e8f4de;
  --radius:       8px;
  --radius-sm:    5px;
}

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

html,body {
  height:100%; overflow:hidden;
  background: linear-gradient(160deg, var(--sky-top) 0%, var(--sky-bottom) 100%);
  font-family:'SproutPixel','Courier New',monospace;
  color:var(--dark-brown);
  user-select:none; -webkit-user-select:none;
  touch-action:none;
}

/* ─── Sound toggle ───────────────────────────────────────────────────────── */
.sound-toggle {
  position:relative;
  margin-top:16px;
  height:32px; width:88px;
  border:3px solid var(--brown); border-radius:16px;
  background:var(--warm-tan);
  box-shadow:0 2px 0 var(--shadow-brown);
  cursor:pointer; padding:0;
  display:flex; align-items:center;
  transition:background .3s ease, border-color .3s ease;
  -webkit-tap-highlight-color:transparent;
  overflow:hidden;
}
.sound-toggle:active { transform:translateY(1px); box-shadow:0 1px 0 var(--shadow-brown); }
.sound-toggle.on { background:var(--green-light); border-color:var(--green); }

.sound-knob {
  position:absolute;
  width:22px; height:22px; border-radius:50%;
  background:var(--cream);
  border:2px solid var(--brown);
  left:3px; top:2px;
  transition:left .3s cubic-bezier(.4,.0,.2,1), border-color .3s ease;
  box-shadow:0 1px 3px rgba(0,0,0,.25);
  z-index:2;
}
.sound-toggle.on .sound-knob { left:59px; border-color:var(--green); }

.sound-label {
  position:absolute;
  font-size:11px; font-weight:700; letter-spacing:.04em;
  color:var(--dark-brown);
  pointer-events:none;
  line-height:1;
  left:30px;
  transition:left .3s cubic-bezier(.4,.0,.2,1), color .3s ease;
}
.sound-toggle.on .sound-label { left:8px; color:#2a5a1a; }

.sound-track { display:none; }
.sound-icon { display:none; }

/* ─── Screen system ──────────────────────────────────────────────────────── */
.screen { display:none; width:100%; height:100%; position:absolute; top:0; left:0; }
.screen.active { display:flex; flex-direction:column; }

/* ══════════════════════════════════════════
   START SCREEN
══════════════════════════════════════════ */
#start-screen {
  align-items:center; justify-content:center; gap:24px; padding:32px 20px;
}
.logo-area { text-align:center; }
.logo-emoji { font-size:56px; line-height:1; margin-bottom:8px; display:block; }
.logo-title {
  font-size:clamp(32px,10vw,52px);
  color:var(--dark-brown);
  text-shadow:3px 3px 0 var(--warm-tan),5px 5px 0 var(--shadow-brown);
  letter-spacing:.15em;
}
.logo-tagline { font-size:13px; color:var(--brown); margin-top:6px; letter-spacing:.05em; }

.start-card {
  background:var(--cream); border:3px solid var(--warm-tan); border-radius:var(--radius);
  box-shadow:0 4px 0 var(--shadow-brown),0 6px 20px rgba(0,0,0,.15);
  padding:20px 28px; text-align:center; max-width:320px; width:100%;
}
.start-card h2 { font-size:14px; color:var(--brown); margin-bottom:12px; letter-spacing:.08em; }
.how-to-steps { list-style:none; text-align:left; font-size:12px; color:var(--dark-brown); line-height:2.2; }
.how-to-steps li::before { content:'▶ '; color:var(--green); }

/* ══════════════════════════════════════════
   PUZZLE SELECT
══════════════════════════════════════════ */
#select-screen { align-items:stretch; overflow:hidden; }
.select-header {
  background:var(--dark-brown); color:var(--cream);
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 16px; flex-shrink:0;
}
.select-header h1 { font-size:18px; letter-spacing:.1em; }

.puzzle-grid {
  display:grid; grid-template-columns:repeat(2,1fr);
  grid-auto-rows:1fr;
  gap:12px; padding:16px; overflow-y:auto; flex:1;
  align-content:start;
  max-width:800px; margin:0 auto; width:100%;
}
.puzzle-card {
  background:var(--cream); border:3px solid var(--warm-tan); border-radius:var(--radius);
  box-shadow:0 4px 0 var(--shadow-brown);
  padding:16px 12px; text-align:center; cursor:pointer;
  transition:transform .1s,box-shadow .1s;
}
.puzzle-card:active { transform:translateY(2px); box-shadow:0 2px 0 var(--shadow-brown); }
.puzzle-card.locked { opacity:.5; cursor:not-allowed; filter:grayscale(.5); }
.puzzle-card-emoji { font-size:28px; margin-bottom:6px; }
.puzzle-card-title { font-size:12px; color:var(--dark-brown); letter-spacing:.05em; }
.puzzle-card.completed { border-color:var(--green); }
.puzzle-card-stats {
  display:flex; flex-direction:column; align-items:center; gap:2px;
  margin-top:8px; font-size:11px; color:var(--dark-brown);
}
.puzzle-card-stars { font-size:14px; letter-spacing:1px; }
.puzzle-card-stars.stars-5 { color:#e8a820; }
.puzzle-card-stars.stars-4 { color:#c9a030; }
.puzzle-card-stars.stars-3 { color:#a08030; }
.puzzle-card-stars.stars-2 { color:#908060; }
.puzzle-card-stars.stars-1 { color:#a09080; }
.puzzle-card-score { font-weight:700; color:var(--dark-brown); }
.puzzle-card-play-btn {
  margin-top:8px; padding:5px 14px;
  font-family:inherit; font-size:10px; font-weight:700; letter-spacing:.04em;
  color:var(--cream); background:var(--green); border:2px solid #3a6a24;
  border-radius:var(--radius-sm); cursor:pointer;
  box-shadow:0 2px 0 #2a4a18;
  transition:transform .1s, box-shadow .1s;
  text-transform:uppercase;
}
.puzzle-card-play-btn:active { transform:translateY(1px); box-shadow:0 1px 0 #2a4a18; }

/* ─── Stats modal ────────────────────────────────────────────────────────── */
.stats-modal-backdrop {
  position:fixed; inset:0; z-index:200;
  background:rgba(0,0,0,.45);
  display:flex; align-items:center; justify-content:center;
  padding:20px;
  opacity:0; transition:opacity .2s ease;
}
.stats-modal-backdrop.visible { opacity:1; }

.stats-modal {
  background:var(--cream); border:3px solid var(--warm-tan); border-radius:12px;
  box-shadow:0 8px 0 var(--shadow-brown), 0 12px 40px rgba(0,0,0,.25);
  padding:24px 20px; max-width:340px; width:100%;
  transform:translateY(16px); transition:transform .2s ease;
  max-height:85vh; overflow-y:auto;
}
.stats-modal-backdrop.visible .stats-modal { transform:translateY(0); }

.stats-header {
  display:flex; align-items:center; justify-content:center; gap:8px;
  margin-bottom:8px;
}
.stats-emoji { font-size:28px; }
.stats-title { font-size:20px; font-weight:700; color:var(--dark-brown); letter-spacing:.06em; }

.stats-stars {
  text-align:center; font-size:22px; letter-spacing:3px;
  margin-bottom:14px;
}
.stats-stars.stars-5 { color:#e8a820; }
.stats-stars.stars-4 { color:#c9a030; }
.stats-stars.stars-3 { color:#a08030; }
.stats-stars.stars-2 { color:#908060; }
.stats-stars.stars-1 { color:#a09080; }

.stats-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:8px;
  margin-bottom:16px;
}
.stats-cell {
  background:var(--parchment); border-radius:var(--radius-sm);
  padding:10px 8px; text-align:center;
}
.stats-cell-val { font-size:18px; font-weight:700; color:var(--dark-brown); }
.stats-cell-label { font-size:10px; color:var(--brown); letter-spacing:.06em; margin-top:2px; text-transform:uppercase; }

.stats-section { margin-bottom:12px; }
.stats-section-title {
  font-size:11px; font-weight:700; color:var(--brown);
  letter-spacing:.06em; text-transform:uppercase; margin-bottom:6px;
}

.stats-breakdown {
  display:grid; grid-template-columns:1fr auto; gap:2px 12px;
  font-size:12px; color:var(--dark-brown); line-height:1.8;
}

.stats-theme-list { display:flex; flex-wrap:wrap; gap:6px; }
.stats-theme-word {
  font-size:11px; font-weight:700; letter-spacing:.04em;
  padding:3px 8px; border-radius:var(--radius-sm);
}
.stats-theme-word.found { background:#d4ecc0; color:#2a5a1a; }
.stats-theme-word.missed { background:#f0d8d0; color:#8a3a2a; }

.stats-word-list { display:flex; flex-wrap:wrap; gap:4px; }
.stats-word {
  font-size:11px; font-weight:700; letter-spacing:.04em;
  padding:2px 7px; border-radius:var(--radius-sm);
  background:var(--parchment); color:var(--dark-brown);
}

.stats-actions {
  display:flex; flex-direction:column; gap:8px; margin-top:16px;
}

/* ══════════════════════════════════════════
   GAME SCREEN
══════════════════════════════════════════ */
#game-screen { gap:0; }

/* Header */
.game-header {
  background:var(--dark-brown); color:var(--cream);
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 14px; flex-shrink:0; gap:8px;
}
#game-title   { font-size:14px; letter-spacing:.08em; flex:1; }
.live-score   { font-size:13px; color:var(--star-gold); min-width:44px; text-align:center; letter-spacing:.04em; }
#game-timer   { font-size:18px; color:var(--parchment); min-width:52px; text-align:center; }

.stars { font-size:16px; letter-spacing:2px; color:var(--star-gold); }
.stars-1 { color:#c0603a; }
.stars-2 { color:#d4882a; }
.stars-3 { color:var(--gold); }
.stars-4 { color:#a8c040; }
.stars-5 { color:var(--star-gold); }

/* ── Grid canvas ─────────────────────────────────────────────────────────── */
#grid-canvas {
  flex:1;
  position:relative;
  overflow:hidden;
  background:
    /* grid lines — aligned to tile layer via CSS vars set by JS */
    repeating-linear-gradient(
      rgba(160,130,80,.18) 0 1px,
      transparent 1px var(--cell-size, 52px)
    ),
    repeating-linear-gradient(
      90deg,
      rgba(160,130,80,.18) 0 1px,
      transparent 1px var(--cell-size, 52px)
    ),
    /* subtle checkerboard to show empty cells */
    repeating-conic-gradient(
      rgba(160,130,80,.04) 0% 25%, transparent 0% 50%
    )
    var(--grid-ox,0px) var(--grid-oy,0px) /
    calc(var(--cell-size, 52px) * 2) calc(var(--cell-size, 52px) * 2),
    linear-gradient(160deg, rgba(200,230,245,.55) 0%, rgba(232,244,222,.55) 100%);
  background-position:
    var(--grid-ox,0px) var(--grid-oy,0px),
    var(--grid-ox,0px) var(--grid-oy,0px),
    var(--grid-ox,0px) var(--grid-oy,0px),
    0 0;
}

/* Board boundary — shows the playable area */
#board-border {
  position:absolute;
  border:2px solid rgba(140,110,60,.3);
  border-radius:6px;
  pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(140,110,60,.08);
}

/* Layer that holds absolutely-positioned tiles */
#tile-layer {
  position:absolute; inset:0;
  pointer-events:none; /* tiles themselves handle events */
}
#tile-layer.shake { animation:shake .6s cubic-bezier(.36,.07,.19,.97); }

/* ── Individual grid tile ────────────────────────────────────────────────── */
.grid-tile {
  position:absolute;
  cursor:pointer;
  pointer-events:all;
  transition:filter .12s;
}

.grid-tile-inner {
  width:100%; height:100%;
  background:var(--cream);
  border:3px solid var(--warm-tan);
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:clamp(16px,5vw,26px);
  font-family:'SproutPixel',monospace;
  color:var(--dark-brown);
  box-shadow:0 4px 0 var(--shadow-brown),0 5px 12px rgba(0,0,0,.12);
  transition:transform .1s,box-shadow .1s,border-color .1s,background .1s;
  position:relative;
}

/* Subtle gloss sheen */
.grid-tile-inner::before {
  content:'';
  position:absolute; inset:0;
  border-radius:calc(var(--radius-sm) - 2px);
  background:linear-gradient(135deg,rgba(255,255,255,.22) 0%,transparent 55%,rgba(0,0,0,.06) 100%);
  pointer-events:none;
}

/* Hover / active */
.grid-tile:hover   .grid-tile-inner { transform:translateY(-3px) scale(1.06); box-shadow:0 7px 0 var(--shadow-brown),0 10px 20px rgba(0,0,0,.18); border-color:var(--brown); }
.grid-tile:active  .grid-tile-inner { transform:translateY(1px) scale(.97); box-shadow:0 2px 0 var(--shadow-brown); }

/* Selected tile */
.grid-tile.selected .grid-tile-inner {
  background:var(--parchment);
  border-color:var(--green);
  box-shadow:0 4px 0 rgba(90,138,60,.5),0 0 0 3px rgba(90,138,60,.25),0 6px 18px rgba(0,0,0,.15);
  transform:translateY(-2px) scale(1.06);
}

/* Tile with at least one neighbor — subtle warm glow */
.grid-tile.has-neighbor .grid-tile-inner {
  border-color:var(--brown);
  background:var(--parchment);
}

/* Ghost (dragging clone) */
.grid-tile.grid-tile-ghost .grid-tile-inner {
  background:var(--warm-tan);
  border-color:var(--dark-brown);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  transform:scale(1.12) rotate(2deg);
}

/* Dimmed original while dragging */
.grid-tile.dragging { opacity:.3; pointer-events:none; }

/* ── Drop target highlight ────────────────────────────────────────────────── */
.target-highlight {
  position:absolute;
  border-radius:var(--radius-sm);
  border:3px solid var(--green);
  background:rgba(90,138,60,.12);
  pointer-events:none;
  animation:targetPulse .5s ease infinite alternate;
}
.target-highlight.swap {
  border-color:var(--gold);
  background:rgba(212,160,23,.12);
}

@keyframes targetPulse {
  from { opacity:.6; }
  to   { opacity:1;  }
}

/* ── Shortcuts bar ───────────────────────────────────────────────────────── */
#shortcuts-bar {
  background:var(--dark-brown);
  display:flex; align-items:center; justify-content:space-between;
  gap:8px; padding:10px 14px;
  flex-shrink:0;
  min-height:64px;
}

.shortcut-info {
  font-size:12px; color:var(--parchment); letter-spacing:.04em;
  flex:1; line-height:1.4;
}
.shortcut-info.connected   { color:#9ddd6a; }
.shortcut-info.disconnected { color:#e08060; }

.sel-letter { font-size:22px; color:var(--cream); display:inline-block; margin-right:4px; }
.sel-hint   { font-size:11px; color:var(--warm-tan); }

#direction-buttons {
  display:flex; gap:6px; align-items:center;
}

.dir-btn {
  font-family:'SproutPixel',monospace;
  font-size:16px;
  width:40px; height:40px;
  background:var(--parchment);
  border:2px solid var(--warm-tan);
  border-radius:var(--radius-sm);
  color:var(--dark-brown);
  cursor:pointer;
  box-shadow:0 3px 0 var(--shadow-brown);
  display:flex; align-items:center; justify-content:center;
  transition:transform .1s,box-shadow .1s;
}
.dir-btn:active {
  transform:translateY(2px);
  box-shadow:0 1px 0 var(--shadow-brown);
}

/* ══════════════════════════════════════════
   SHARED BUTTON STYLES
══════════════════════════════════════════ */
.btn {
  font-family:'SproutPixel',monospace;
  font-size:14px; letter-spacing:.08em;
  padding:10px 18px;
  border:3px solid; border-radius:var(--radius);
  cursor:pointer;
  transition:transform .1s,box-shadow .1s,opacity .15s;
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
}
.btn:active:not(:disabled) { transform:translateY(3px); }
.btn:disabled { opacity:.4; cursor:not-allowed; }

.btn-primary {
  background:var(--green); color:var(--cream);
  border-color:var(--dark-brown);
  box-shadow:0 4px 0 var(--dark-brown);
}
.btn-primary:active:not(:disabled) { box-shadow:0 1px 0 var(--dark-brown); }

.btn-secondary {
  background:var(--cream); color:var(--dark-brown);
  border-color:var(--warm-tan);
  box-shadow:0 4px 0 var(--shadow-brown);
}
.btn-secondary:active { box-shadow:0 1px 0 var(--shadow-brown); }

.btn-wide { flex:1; }

.btn-icon {
  background:rgba(255,255,255,.08); color:var(--cream);
  border-color:rgba(255,255,255,.2);
  box-shadow:none; padding:8px 12px; font-size:16px;
}

.btn-big {
  padding:14px 32px; font-size:18px;
  box-shadow:0 6px 0 var(--dark-brown);
}
.btn-big:active { transform:translateY(5px); box-shadow:0 1px 0 var(--dark-brown); }

.back-btn {
  background:none; border:none; color:var(--cream);
  font-family:'SproutPixel',monospace; font-size:13px;
  cursor:pointer; padding:4px 8px; border-radius:var(--radius-sm); letter-spacing:.05em;
}
.back-btn:hover { background:rgba(255,255,255,.1); }

/* ══════════════════════════════════════════
   RESULTS SCREEN
══════════════════════════════════════════ */
#results-screen {
  align-items:center; justify-content:flex-start;
  overflow-y:auto; padding:20px 16px; gap:14px;
}

.results-card {
  background:var(--cream); border:3px solid var(--warm-tan); border-radius:var(--radius);
  box-shadow:0 6px 0 var(--shadow-brown),0 10px 30px rgba(0,0,0,.15);
  padding:20px; width:100%; max-width:360px;
  animation:slideUp .4s ease;
}
.results-card h2 { font-size:18px; text-align:center; margin-bottom:12px; letter-spacing:.08em; }

.stars-big { font-size:32px; text-align:center; display:block; letter-spacing:4px; margin-bottom:10px; }

.result-score-display {
  font-size:28px; text-align:center; color:var(--dark-brown); margin-bottom:6px;
  letter-spacing:.06em;
}

.result-times { text-align:center; margin-bottom:14px; }
.result-time-raw { font-size:16px; color:var(--brown); display:block; }
.result-time-bonus { font-size:12px; color:var(--green); margin-top:2px; }

.result-words-title { font-size:12px; color:var(--brown); letter-spacing:.1em; margin-bottom:8px; text-transform:uppercase; }

.result-word-row {
  display:flex; align-items:center; gap:8px;
  padding:5px 8px; border-radius:var(--radius-sm);
  background:rgba(90,138,60,.08); margin-bottom:4px;
}
.result-word-row.result-word-theme {
  background:rgba(245,197,24,.15);
  border:1px solid rgba(245,197,24,.3);
}
.result-word-name { font-size:14px; color:var(--dark-brown); letter-spacing:.12em; flex:1; }
.result-word-pts  { font-size:11px; color:var(--brown); }
.result-word-theme-tag {
  font-size:10px; color:var(--star-gold); letter-spacing:.04em;
  background:rgba(245,197,24,.18); padding:2px 6px; border-radius:8px;
}

.result-breakdown {
  margin-top:12px; padding-top:10px;
  border-top:2px solid var(--warm-tan);
}
.breakdown-row {
  display:flex; justify-content:space-between; padding:3px 8px;
  font-size:12px; color:var(--brown);
}
.breakdown-total {
  margin-top:4px; padding-top:6px;
  border-top:1px solid var(--warm-tan);
  font-size:14px; color:var(--dark-brown);
}

.results-actions {
  display:flex; flex-direction:column; gap:8px; width:100%; max-width:360px;
}

/* ══════════════════════════════════════════
   TOAST
══════════════════════════════════════════ */
.toast {
  position:fixed;
  top:58px; left:50%;
  transform:translateX(-50%) translateY(-12px);
  background:var(--dark-brown); color:var(--cream);
  padding:8px 18px; border-radius:20px;
  font-size:13px; letter-spacing:.05em; white-space:nowrap;
  opacity:0; transition:opacity .2s,transform .2s;
  z-index:500; pointer-events:none;
  max-width:90vw; overflow:hidden; text-overflow:ellipsis;
  box-shadow:0 4px 16px rgba(0,0,0,.3);
}
.toast.toast-success { background:var(--green); }
.toast.toast-error   { background:var(--red); }
.toast.toast-show    { opacity:1; transform:translateX(-50%) translateY(0); }

/* ══════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════ */

/* --- Layer-level shake on invalid submit --------------------------------- */
@keyframes shake {
  0%,100% { transform:translateX(0); }
  15%  { transform:translateX(-8px) rotate(-.5deg); }
  30%  { transform:translateX( 8px) rotate( .5deg); }
  45%  { transform:translateX(-5px); }
  60%  { transform:translateX( 5px); }
  75%  { transform:translateX(-3px); }
  90%  { transform:translateX( 3px); }
}

/* --- Tile land pop (drag-drop or nudge) ---------------------------------- */
@keyframes tileLand {
  0%   { transform:scale(1.18); }
  55%  { transform:scale(.94);  }
  80%  { transform:scale(1.04); }
  100% { transform:scale(1);    }
}
.tile-land .grid-tile-inner {
  animation: tileLand .3s cubic-bezier(.36,.07,.19,.97);
}

/* --- Win cascade: each tile bounces up then settles ---------------------- */
@keyframes tileCelebrate {
  0%   { transform:translateY(0)     scale(1)    rotate(0deg);  }
  22%  { transform:translateY(-18px) scale(1.14) rotate(7deg);  }
  44%  { transform:translateY(-10px) scale(1.07) rotate(-4deg); }
  66%  { transform:translateY(-14px) scale(1.11) rotate(4deg);  }
  83%  { transform:translateY(-4px)  scale(1.02) rotate(-1deg); }
  100% { transform:translateY(0)     scale(1)    rotate(0deg);  }
}
.tile-win .grid-tile-inner {
  animation: tileCelebrate .7s cubic-bezier(.36,.07,.19,.97);
}

/* --- Gold flash on win --------------------------------------------------- */
@keyframes goldFlash {
  0%,100% { background:var(--parchment); border-color:var(--warm-tan); box-shadow:0 4px 0 var(--shadow-brown); }
  40%,60% { background:var(--star-gold); border-color:var(--dark-brown); box-shadow:0 4px 0 var(--dark-brown),0 0 18px var(--star-gold); }
}
.tile-gold .grid-tile-inner {
  animation: goldFlash .5s ease;
}

/* --- Invalid word flash (red) -------------------------------------------- */
@keyframes invalidFlash {
  0%,100% { background:var(--cream); border-color:var(--warm-tan); box-shadow:0 4px 0 var(--shadow-brown); }
  20%,50%,80% {
    background:rgba(184,48,48,.18);
    border-color:var(--red);
    box-shadow:0 4px 0 rgba(184,48,48,.5), 0 0 0 3px rgba(184,48,48,.25);
  }
}
.tile-invalid .grid-tile-inner {
  animation: invalidFlash 1.4s ease;
}

/* --- Disconnected tile pulse (orange) ------------------------------------ */
@keyframes disconnPulse {
  0%,100% {
    background:var(--cream);
    border-color:var(--warm-tan);
    box-shadow:0 4px 0 var(--shadow-brown);
  }
  40%,60% {
    background:rgba(224,112,48,.2);
    border-color:#e07030;
    box-shadow:0 4px 0 rgba(224,112,48,.6), 0 0 0 4px rgba(224,112,48,.35);
  }
}
.tile-disconnected .grid-tile-inner {
  animation: disconnPulse .55s ease 3;   /* 3 pulses ≈ 1.65s total */
}

/* --- Confetti pieces ----------------------------------------------------- */
@keyframes confettiFall {
  0%   { transform:translateY(0)     translateX(0)       rotate(0deg);   opacity:1;  }
  80%  { opacity:.8; }
  100% { transform:translateY(100vh) translateX(var(--tx)) rotate(var(--rot)); opacity:0; }
}
/* .confetti-piece styles are set inline by JS */

/* --- Results slide-up ---------------------------------------------------- */
@keyframes slideUp {
  from { transform:translateY(20px); opacity:0; }
  to   { transform:translateY(0);    opacity:1; }
}

/* --- Stars pop in one-by-one on results ---------------------------------- */
.stars-big .star-char {
  display:inline-block;
  animation:starPop .4s cubic-bezier(.36,.07,.19,.97) both;
}
@keyframes starPop {
  0%   { transform:scale(0) rotate(-30deg); opacity:0; }
  60%  { transform:scale(1.3) rotate(5deg); opacity:1; }
  100% { transform:scale(1) rotate(0deg);   opacity:1; }
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (min-width:768px) {
  #game-screen { max-width:520px; margin:0 auto; position:relative; }
  #start-screen, #results-screen { align-items:center; }
  .puzzle-grid { grid-template-columns:repeat(3,1fr); }
}

@media (max-height:600px) {
  .game-header { padding:6px 12px; }
  #shortcuts-bar { min-height:52px; padding:7px 12px; }
  .dir-btn { width:34px; height:34px; font-size:14px; }
}

/* ── Auth badge ──────────────────────────────────────────────────────────── */
.auth-badge {
  position: fixed; top: 10px; right: 12px; z-index: 200;
  font-size: 11px; color: var(--brown);
  background: rgba(245,237,214,.85); backdrop-filter: blur(8px);
  padding: 4px 10px; border-radius: 99px;
  border: 1px solid var(--parchment);
  pointer-events: none;
}