/* ============================================================
   LETROSO — Word Puzzle Game v2.0
   Scoped with lp- prefix | WordPress + Astra safe
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=JetBrains+Mono:wght@500;700&display=swap');

/* ── Variables ────────────────────────────────────────────── */
:root {
  --lp-bg:           #0a0c12;
  --lp-surface:      #12151f;
  --lp-surface2:     #1a1e2e;
  --lp-border:       #252a3d;
  --lp-text:         #f0f2ff;
  --lp-muted:        #5a607a;

  --lp-green:        #10b981;
  --lp-green-glow:   rgba(16,185,129,.5);
  --lp-yellow:       #f59e0b;
  --lp-yellow-glow:  rgba(245,158,11,.45);
  --lp-grey:         #2d3347;
  --lp-grey-text:    #6b7280;

  --lp-purple:       #7c3aed;
  --lp-blue:         #3b82f6;
  --lp-pink:         #ec4899;
  --lp-accent:       #818cf8;
  --lp-accent2:      #a78bfa;
  --lp-glow:         rgba(129,140,248,.4);

  --lp-cell-size:    58px;
  --lp-cell-gap:     7px;
  --lp-radius:       12px;
  --lp-key-h:        52px;

  --lp-font:  'Nunito', sans-serif;
  --lp-mono:  'JetBrains Mono', monospace;
  --lp-ease:  cubic-bezier(.4,0,.2,1);
}

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

/* ── Root ─────────────────────────────────────────────────── */
.lp-root {
  font-family: var(--lp-font);
  background: var(--lp-bg);
  color: var(--lp-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 12px 48px;
  position: relative;
  overflow-x: hidden;
}

/* Animated background gradient mesh */
.lp-root::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 20%, rgba(124,58,237,.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(59,130,246,.1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 50% 0%, rgba(129,140,248,.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: lp-bg-shift 12s ease-in-out infinite alternate;
}

@keyframes lp-bg-shift {
  0%   { opacity: 1; }
  100% { opacity: .6; }
}

/* ── Header ───────────────────────────────────────────────── */
.lp-header {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0 12px;
  border-bottom: 1px solid var(--lp-border);
  position: relative;
  z-index: 2;
}

.lp-logo {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -.04em;
  text-align: center;
  background: linear-gradient(135deg, #a78bfa 0%, #818cf8 40%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(129,140,248,.5));
}

.lp-header-actions {
  position: absolute;
  right: 0;
  display: flex;
  gap: 8px;
}

.lp-icon-btn {
  background: var(--lp-surface2);
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  color: var(--lp-muted);
  cursor: pointer;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all .2s var(--lp-ease);
}
.lp-icon-btn:hover {
  color: var(--lp-text);
  border-color: var(--lp-accent);
  box-shadow: 0 0 12px var(--lp-glow);
}

/* ── Stats Bar ────────────────────────────────────────────── */
.lp-stats-bar {
  width: 100%;
  max-width: 640px;
  display: flex;
  justify-content: center;
  gap: 0;
  padding: 14px 0 6px;
  position: relative;
  z-index: 2;
}

.lp-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 0 20px;
  border-right: 1px solid var(--lp-border);
}
.lp-stat:last-child { border-right: none; }

.lp-stat-val {
  font-family: var(--lp-mono);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--lp-accent), var(--lp-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.lp-stat-label {
  font-size: .6rem;
  color: var(--lp-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 700;
}

/* ── Daily Challenge Banner ───────────────────────────────── */
.lp-daily-banner {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(124,58,237,.2), rgba(59,130,246,.15));
  border: 1px solid rgba(129,140,248,.3);
  border-radius: 12px;
  padding: 10px 16px;
  margin: 10px 0 4px;
  position: relative;
  z-index: 2;
  gap: 10px;
}

.lp-daily-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lp-daily-icon {
  font-size: 1.3rem;
}

.lp-daily-text strong {
  display: block;
  font-size: .8rem;
  font-weight: 800;
  color: var(--lp-accent2);
  letter-spacing: .04em;
}

.lp-daily-text span {
  font-size: .68rem;
  color: var(--lp-muted);
}

.lp-daily-btn {
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-blue));
  border: none;
  border-radius: 8px;
  color: #fff;
  font-family: var(--lp-font);
  font-size: .72rem;
  font-weight: 800;
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s var(--lp-ease);
  letter-spacing: .03em;
}
.lp-daily-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(124,58,237,.5);
}
.lp-daily-btn.lp-done {
  background: var(--lp-green);
  box-shadow: 0 0 12px var(--lp-green-glow);
  cursor: default;
}

/* ── Controls Row ─────────────────────────────────────────── */
.lp-controls {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0 4px;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}

.lp-length-selector {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.lp-length-label {
  font-size: .68rem;
  color: var(--lp-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  margin-right: 2px;
}

.lp-len-btn {
  background: var(--lp-surface2);
  border: 1px solid var(--lp-border);
  border-radius: 8px;
  color: var(--lp-muted);
  cursor: pointer;
  padding: 5px 10px;
  font-size: .73rem;
  font-family: var(--lp-mono);
  font-weight: 700;
  transition: all .15s var(--lp-ease);
}
.lp-len-btn:hover,
.lp-len-btn.lp-active {
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-blue));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,.4);
}

/* Hint button */
.lp-hint-btn {
  background: linear-gradient(135deg, rgba(245,158,11,.2), rgba(245,158,11,.1));
  border: 1px solid rgba(245,158,11,.4);
  border-radius: 10px;
  color: var(--lp-yellow);
  font-family: var(--lp-font);
  font-size: .75rem;
  font-weight: 800;
  padding: 7px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all .2s var(--lp-ease);
  white-space: nowrap;
}
.lp-hint-btn:hover {
  background: rgba(245,158,11,.25);
  box-shadow: 0 0 16px rgba(245,158,11,.3);
  transform: translateY(-1px);
}
.lp-hint-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
}

/* ── Legend ───────────────────────────────────────────────── */
.lp-legend {
  width: 100%;
  max-width: 640px;
  display: flex;
  gap: 18px;
  justify-content: center;
  padding: 4px 0 8px;
  position: relative;
  z-index: 2;
}

.lp-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .65rem;
  color: var(--lp-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 700;
}

.lp-legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.lp-legend-dot.lp-ld-green  { background: var(--lp-green);  box-shadow: 0 0 8px var(--lp-green-glow); }
.lp-legend-dot.lp-ld-yellow { background: var(--lp-yellow); box-shadow: 0 0 8px var(--lp-yellow-glow); }
.lp-legend-dot.lp-ld-grey   { background: var(--lp-grey); }

/* ── Toast ────────────────────────────────────────────────── */
.lp-toast {
  position: fixed;
  top: 76px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  background: var(--lp-surface2);
  border: 1px solid var(--lp-border);
  border-radius: 12px;
  padding: 10px 22px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--lp-text);
  opacity: 0;
  pointer-events: none;
  transition: all .25s ease;
  z-index: 999;
  backdrop-filter: blur(16px);
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
.lp-toast.lp-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.lp-toast.lp-toast-green { border-color: var(--lp-green); color: var(--lp-green); }
.lp-toast.lp-toast-yellow { border-color: var(--lp-yellow); color: var(--lp-yellow); }

/* ── Game Area ────────────────────────────────────────────── */
.lp-game-area {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 0 8px;
  flex: 1;
  position: relative;
  z-index: 2;
}

/* ── Grid ─────────────────────────────────────────────────── */
.lp-grid {
  display: flex;
  flex-direction: column;
  gap: var(--lp-cell-gap);
  padding: 4px;
}

.lp-row {
  display: flex;
  gap: var(--lp-cell-gap);
  position: relative;
}

/* ── Cell ─────────────────────────────────────────────────── */
.lp-cell {
  width: var(--lp-cell-size);
  height: var(--lp-cell-size);
  border: 2px solid var(--lp-border);
  border-radius: var(--lp-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--lp-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lp-text);
  background: var(--lp-surface);
  user-select: none;
  position: relative;
  transition: border-color .15s ease;
  will-change: transform;
}

.lp-cell.lp-active-cell {
  border-color: rgba(129,140,248,.6);
  box-shadow: 0 0 0 1px rgba(129,140,248,.2), inset 0 0 0 1px rgba(129,140,248,.1);
}

/* Pop on type */
.lp-cell.lp-filled {
  border-color: rgba(129,140,248,.4);
  animation: lp-pop .12s ease;
}

@keyframes lp-pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.14); }
  100% { transform: scale(1); }
}

/* ── Cell States ──────────────────────────────────────────── */
.lp-cell.lp-correct {
  background: var(--lp-green);
  border-color: var(--lp-green);
  color: #fff;
  box-shadow: 0 0 20px var(--lp-green-glow), 0 0 40px rgba(16,185,129,.2);
  text-shadow: 0 1px 2px rgba(0,0,0,.3);
}

.lp-cell.lp-present {
  background: var(--lp-yellow);
  border-color: var(--lp-yellow);
  color: #1a1200;
  box-shadow: 0 0 16px var(--lp-yellow-glow);
  text-shadow: none;
}

.lp-cell.lp-absent {
  background: var(--lp-grey);
  border-color: #1f2335;
  color: var(--lp-grey-text);
}

/* Hint revealed cell */
.lp-cell.lp-hint-cell {
  background: linear-gradient(135deg, rgba(245,158,11,.25), rgba(245,158,11,.15));
  border-color: var(--lp-yellow);
  color: var(--lp-yellow);
  box-shadow: 0 0 16px rgba(245,158,11,.3);
  animation: lp-hint-pulse 1.5s ease infinite;
}

@keyframes lp-hint-pulse {
  0%,100% { box-shadow: 0 0 16px rgba(245,158,11,.3); }
  50%      { box-shadow: 0 0 28px rgba(245,158,11,.6); }
}

/* Connected letter link */
.lp-cell.lp-connected-start::after,
.lp-cell.lp-connected-mid::after,
.lp-cell.lp-connected-end::after {
  content: '';
  position: absolute;
  bottom: -8px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--lp-green), var(--lp-accent2));
  opacity: 0;
  transition: opacity .5s ease .3s;
}
.lp-cell.lp-connected-start::after { left: 50%;  right: calc(-1 * var(--lp-cell-gap) - 2px); }
.lp-cell.lp-connected-mid::after   { left: calc(-1 * var(--lp-cell-gap) / 2); right: calc(-1 * var(--lp-cell-gap) / 2 - 2px); }
.lp-cell.lp-connected-end::after   { left: calc(-1 * var(--lp-cell-gap) - 2px); right: 50%; }
.lp-row.lp-revealed .lp-cell.lp-connected-start::after,
.lp-row.lp-revealed .lp-cell.lp-connected-mid::after,
.lp-row.lp-revealed .lp-cell.lp-connected-end::after { opacity: 1; }

/* ── Flip ─────────────────────────────────────────────────── */
.lp-cell.lp-flip {
  animation: lp-flip .5s ease forwards;
}

@keyframes lp-flip {
  0%  { transform: rotateX(0deg);   }
  45% { transform: rotateX(-90deg); }
  55% { transform: rotateX(-90deg); }
  100%{ transform: rotateX(0deg);   }
}

/* ── Shake ────────────────────────────────────────────────── */
.lp-row.lp-shake {
  animation: lp-shake .4s ease;
}

@keyframes lp-shake {
  0%,100% { transform: translateX(0); }
  15%     { transform: translateX(-10px); }
  30%     { transform: translateX(10px); }
  45%     { transform: translateX(-7px); }
  60%     { transform: translateX(7px); }
  75%     { transform: translateX(-4px); }
  90%     { transform: translateX(4px); }
}

/* ── Bounce (win) ─────────────────────────────────────────── */
.lp-row.lp-bounce .lp-cell { animation: lp-bounce .65s ease forwards; }
.lp-row.lp-bounce .lp-cell:nth-child(1){animation-delay:.02s}
.lp-row.lp-bounce .lp-cell:nth-child(2){animation-delay:.09s}
.lp-row.lp-bounce .lp-cell:nth-child(3){animation-delay:.16s}
.lp-row.lp-bounce .lp-cell:nth-child(4){animation-delay:.23s}
.lp-row.lp-bounce .lp-cell:nth-child(5){animation-delay:.30s}
.lp-row.lp-bounce .lp-cell:nth-child(6){animation-delay:.37s}
.lp-row.lp-bounce .lp-cell:nth-child(7){animation-delay:.44s}
.lp-row.lp-bounce .lp-cell:nth-child(8){animation-delay:.51s}
.lp-row.lp-bounce .lp-cell:nth-child(9){animation-delay:.58s}
.lp-row.lp-bounce .lp-cell:nth-child(10){animation-delay:.65s}

@keyframes lp-bounce {
  0%,100% { transform: translateY(0) scale(1); }
  35%     { transform: translateY(-22px) scale(1.1); }
  65%     { transform: translateY(-7px) scale(1.04); }
}

/* ── Current row indicator dot ────────────────────────────── */
.lp-current-indicator {
  width: 6px;
  height: 6px;
  background: var(--lp-accent);
  border-radius: 50%;
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 10px var(--lp-glow);
  animation: lp-dot-pulse 1.4s ease infinite;
}

@keyframes lp-dot-pulse {
  0%,100% { opacity:1; transform: translateY(-50%) scale(1); }
  50%     { opacity:.5; transform: translateY(-50%) scale(.7); }
}

/* ── Keyboard ─────────────────────────────────────────────── */
.lp-keyboard {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 6px 0 0;
  position: relative;
  z-index: 2;
}

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

.lp-key {
  height: var(--lp-key-h);
  min-width: 36px;
  padding: 0 5px;
  flex: 1;
  max-width: 42px;
  background: var(--lp-surface2);
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  color: var(--lp-text);
  font-family: var(--lp-font);
  font-size: .82rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .12s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  position: relative;
  overflow: hidden;
  letter-spacing: .01em;
}

.lp-key::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.06) 0%, transparent 100%);
  pointer-events: none;
}

.lp-key:active {
  transform: scale(.91);
  background: #0d1020;
}

.lp-key.lp-key-wide {
  min-width: 58px;
  max-width: 66px;
  font-size: .7rem;
  flex: 1.55;
}

.lp-key.lp-key-correct {
  background: var(--lp-green);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 14px var(--lp-green-glow);
}

.lp-key.lp-key-present {
  background: var(--lp-yellow);
  border-color: transparent;
  color: #1a1200;
}

.lp-key.lp-key-absent {
  background: #161929;
  border-color: #1a1d2c;
  color: #3a405c;
}

/* ── Share Button ─────────────────────────────────────────── */
.lp-share-btn {
  background: linear-gradient(135deg, var(--lp-green), #059669);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-family: var(--lp-font);
  font-size: .78rem;
  font-weight: 800;
  padding: 9px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .2s ease;
  letter-spacing: .03em;
}
.lp-share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--lp-green-glow);
}

/* ── Win Modal ────────────────────────────────────────────── */
.lp-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.lp-modal-overlay.lp-active {
  opacity: 1;
  pointer-events: all;
}

.lp-modal {
  background: var(--lp-surface);
  border: 1px solid var(--lp-border);
  border-radius: 24px;
  padding: 32px 28px 28px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  position: relative;
  transform: scale(.88) translateY(24px);
  transition: transform .38s cubic-bezier(.34,1.56,.64,1);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,.6);
}
.lp-modal-overlay.lp-active .lp-modal {
  transform: scale(1) translateY(0);
}

.lp-modal::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #7c3aed, #818cf8, #10b981, #f59e0b, #818cf8, #7c3aed);
  background-size: 300% 100%;
  animation: lp-rainbow 3s linear infinite;
}

@keyframes lp-rainbow {
  0%  { background-position: 0% 0%; }
  100%{ background-position: 300% 0%; }
}

.lp-modal-emoji {
  font-size: 3.2rem;
  display: block;
  margin-bottom: 10px;
  animation: lp-spin-in .7s cubic-bezier(.34,1.56,.64,1) .1s both;
}

@keyframes lp-spin-in {
  from { transform: scale(0) rotate(-180deg); opacity: 0; }
  to   { transform: scale(1) rotate(0); opacity: 1; }
}

.lp-modal-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #a78bfa, #818cf8, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-modal-subtitle {
  font-size: .85rem;
  color: var(--lp-muted);
  margin-bottom: 18px;
}

.lp-modal-word {
  display: inline-flex;
  gap: 5px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.lp-modal-letter {
  width: 38px;
  height: 38px;
  background: var(--lp-green);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--lp-mono);
  font-weight: 700;
  font-size: .9rem;
  color: #fff;
  box-shadow: 0 0 14px var(--lp-green-glow);
  animation: lp-letter-drop .4s cubic-bezier(.34,1.56,.64,1) both;
}
.lp-modal-letter:nth-child(1){animation-delay:.3s}
.lp-modal-letter:nth-child(2){animation-delay:.37s}
.lp-modal-letter:nth-child(3){animation-delay:.44s}
.lp-modal-letter:nth-child(4){animation-delay:.51s}
.lp-modal-letter:nth-child(5){animation-delay:.58s}
.lp-modal-letter:nth-child(6){animation-delay:.65s}
.lp-modal-letter:nth-child(7){animation-delay:.72s}
.lp-modal-letter:nth-child(8){animation-delay:.79s}
.lp-modal-letter:nth-child(9){animation-delay:.86s}
.lp-modal-letter:nth-child(10){animation-delay:.93s}

@keyframes lp-letter-drop {
  from { opacity:0; transform: translateY(-18px) scale(.6); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}

/* Stats grid in modal */
.lp-modal-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.lp-mstat {
  background: var(--lp-surface2);
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  padding: 10px 6px;
  text-align: center;
}

.lp-mstat-num {
  font-family: var(--lp-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--lp-accent2);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.lp-mstat-lbl {
  font-size: .55rem;
  color: var(--lp-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 700;
}

/* Share result box */
.lp-share-result {
  background: var(--lp-surface2);
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  padding: 10px 14px;
  font-family: var(--lp-mono);
  font-size: .75rem;
  color: var(--lp-muted);
  text-align: left;
  margin-bottom: 16px;
  line-height: 1.8;
  letter-spacing: .05em;
  word-break: break-all;
}

.lp-modal-btns {
  display: flex;
  gap: 8px;
}

.lp-btn {
  padding: 13px 20px;
  border-radius: 12px;
  font-family: var(--lp-font);
  font-size: .85rem;
  font-weight: 800;
  cursor: pointer;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  flex: 1;
  transition: all .18s ease;
  letter-spacing: .02em;
}

.lp-btn-primary {
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-blue));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,.4);
}
.lp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124,58,237,.5);
}

.lp-btn-share {
  background: linear-gradient(135deg, var(--lp-green), #059669);
  color: #fff;
  box-shadow: 0 4px 20px var(--lp-green-glow);
}
.lp-btn-share:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--lp-green-glow);
}

/* ── Confetti ─────────────────────────────────────────────── */
.lp-confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 400;
}

/* ── Attempt graph ────────────────────────────────────────── */
.lp-attempts-graph {
  width: 100%;
  margin-bottom: 14px;
}

.lp-graph-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  font-size: .68rem;
}

.lp-graph-label {
  width: 14px;
  text-align: right;
  color: var(--lp-muted);
  font-family: var(--lp-mono);
  font-weight: 700;
  flex-shrink: 0;
}

.lp-graph-bar-wrap {
  flex: 1;
  background: var(--lp-surface2);
  border-radius: 4px;
  height: 18px;
  overflow: hidden;
}

.lp-graph-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--lp-purple), var(--lp-blue));
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding-left: 6px;
  font-size: .62rem;
  font-weight: 800;
  color: #fff;
  min-width: 18px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

.lp-graph-bar.lp-bar-highlight {
  background: linear-gradient(90deg, var(--lp-green), #059669);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 500px) {
  :root {
    --lp-cell-size: 46px;
    --lp-cell-gap:  5px;
    --lp-key-h:     46px;
  }
  .lp-logo { font-size: 1.45rem; }
  .lp-key  { font-size: .73rem; min-width: 28px; max-width: 36px; }
  .lp-key.lp-key-wide { min-width: 48px; max-width: 56px; }
  .lp-cell { font-size: 1.2rem; border-radius: 9px; }
  .lp-modal-stats { grid-template-columns: repeat(2,1fr); }
  .lp-modal { padding: 24px 16px 20px; }
}

@media (max-width: 380px) {
  :root {
    --lp-cell-size: 38px;
    --lp-cell-gap:  4px;
    --lp-key-h:     40px;
  }
  .lp-kb-row { gap: 3px; }
  .lp-key { min-width: 22px; border-radius: 7px; font-size: .65rem; }
  .lp-key.lp-key-wide { min-width: 40px; max-width: 48px; }
}

/* Scrollbar */
.lp-root ::-webkit-scrollbar { width: 4px; }
.lp-root ::-webkit-scrollbar-thumb { background: var(--lp-border); border-radius: 2px; }