:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --bg: #0f0f1e;
  --bg-light: #1a1a2e;
  --bg-card: #16213e;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
  --shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15), transparent 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.1), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.1), transparent 40%);
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  33% {
    transform: translate(30px, -30px) rotate(5deg);
  }

  66% {
    transform: translate(-20px, 20px) rotate(-5deg);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.hero-content {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eyebrow {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.store-btn {
  display: inline-flex;
  flex-direction: column;
  padding: 1rem 3rem;
  background: var(--gradient);
  color: var(--text);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.store-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.store-btn:hover::before {
  left: 100%;
}

.store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 70px rgba(99, 102, 241, 0.4);
}

.store-btn span {
  font-size: 1.1rem;
}

.store-btn small {
  font-size: 0.875rem;
  opacity: 0.8;
  font-weight: 400;
}

.outline-btn {
  display: inline-block;
  padding: 1rem 2rem;
  border: 2px solid var(--primary);
  color: var(--primary);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--transition);
  background: transparent;
}

.outline-btn:hover {
  background: var(--primary);
  color: var(--text);
  transform: translateY(-2px);
}


.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: var(--transition);
}

.scroll-indicator:hover {
  color: var(--primary);
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

main section {
  padding: 5rem 0;
  position: relative;
}

main section:nth-child(even) {
  background: var(--bg-light);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

article {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: var(--transition);
}

article:hover::before {
  transform: scaleX(1);
}

article:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

article h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text);
}

article p {
  color: var(--text-muted);
  line-height: 1.7;
}



.contact {
  text-align: center;
}

.contact p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

footer {
  background: var(--bg-light);
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

/* ── Games section ── */
.games-section {
  padding: 3rem 0 2rem;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  max-width: 640px;
  margin: 0 auto;
}

.game-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.5rem;
  border-radius: 16px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s, transform .15s;
}

.game-card:hover {
  border-color: rgba(99,102,241,.6);
  transform: translateY(-2px);
}

.game-card--daily {
  border-color: rgba(99,102,241,.35);
  background: linear-gradient(135deg, rgba(99,102,241,.08) 0%, var(--bg-light) 100%);
}

.game-card-badge {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #6366f1;
}

.game-card-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.game-card-sub {
  font-size: .82rem;
  color: var(--text-muted);
}

.game-card-cta {
  margin-top: .5rem;
  font-size: .85rem;
  font-weight: 600;
  color: #6366f1;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

footer p {
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.footer-social svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .cta-group {
    justify-content: center;
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 1rem;
  }

}

/* ─── Game Modes Section ─── */
.modes-section {
  padding: 4rem 0 3rem;
}

.modes-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.modes-header h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.mode-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mode-card--wh {
  border-color: rgba(99,102,241,.3);
  background: linear-gradient(145deg, rgba(99,102,241,.07), var(--bg-light));
}

.mode-card--bh {
  border-color: rgba(139,92,246,.3);
  background: linear-gradient(145deg, rgba(139,92,246,.07), var(--bg-light));
}

.mode-icon {
  font-size: 2rem;
  line-height: 1;
}

.mode-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.mode-desc {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.mode-btns {
  display: flex;
  gap: .65rem;
  flex-wrap: wrap;
  margin-top: .25rem;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.15rem;
  border-radius: 10px;
  font-size: .85rem;
  font-weight: 700;
  text-decoration: none;
  transition: opacity .15s, transform .15s;
}

.mode-btn:hover {
  opacity: .85;
  transform: translateY(-1px);
}

.mode-btn--primary {
  background: var(--gradient);
  color: #fff;
}

.mode-btn--outline {
  background: transparent;
  border: 1px solid rgba(99,102,241,.5);
  color: #a5b4fc;
}

@media (max-width: 640px) {
  .modes-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Contact Section ─── */

.contact-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.contact-hero {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-hero .eyebrow {
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}

.contact-hero h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: .75rem;
  color: var(--text);
}

.contact-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Info cards */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.info-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

.info-card h4 {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: .25rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.info-card p,
.info-card a {
  font-size: .95rem;
  color: var(--text);
  text-decoration: none;
}

.info-card a:hover {
  color: var(--primary);
}

/* Form card */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  padding: .75rem 1rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}

.form-group select {
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .15);
}

.form-group select option {
  background: var(--bg);
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  width: 100%;
  padding: .85rem;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .2s;
}

.submit-btn:hover:not(:disabled) {
  opacity: .85;
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.form-status {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 500;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, .15);
  border: 1px solid #10b981;
  color: #6ee7b7;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, .12);
  border: 1px solid #ef4444;
  color: #fca5a5;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}

.submit-btn.loading .btn-spinner {
  display: block;
}

.submit-btn.loading .btn-text {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.store-btn.play-web {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 20px 60px rgba(16, 185, 129, 0.3);
}

.store-btn.play-web:hover {
  box-shadow: 0 25px 70px rgba(16, 185, 129, 0.4);
}

.play-web {
  text-align: center;
}

.play-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: -2rem;
  margin-bottom: 2rem;
}

.lx-hint {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 1.25rem;
  opacity: 0.7;
}

/* Game card */
.lx-game {
  position: relative;
  width: min(100%, 460px);
  max-width: 460px;
  margin: 0 auto;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .4);
  overflow: hidden;
}

@media (max-width: 480px) {
  .lx-game {
    padding: 1rem;
    border-radius: 16px;
  }
}

.lx-inner {
  position: relative;
}

/* Header */
.lx-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.lx-stat {
  text-align: center;
}

.lx-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.lx-val {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

/* Site language switcher */
.lx-site-langs {
  position: fixed;
  top: 1.1rem;
  right: 1.5rem;
  display: flex;
  gap: 2px;
  background: rgba(15, 15, 30, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50px;
  padding: 4px;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .06);
}

.lx-site-lang {
  position: relative;
  padding: .35rem 1rem;
  background: transparent;
  border: none;
  border-radius: 50px;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .25s;
  z-index: 1;
}

.lx-site-lang:hover {
  color: var(--text);
}

.lx-site-lang.active {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 2px 12px rgba(99, 102, 241, .5);
}

/* Mobile toggle button — hidden on desktop */
.lx-langs-toggle {
  display: none;
}

@media (max-width: 480px) {
  .lx-site-langs {
    top: 0.6rem;
    right: 0.75rem;
    flex-direction: column;
    align-items: center;
    border-radius: 14px;
    padding: 3px;
    gap: 2px;
  }

  .lx-langs-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 1.05rem;
    width: 34px;
    height: 30px;
    padding: 0;
    cursor: pointer;
    border-radius: 50px;
    transition: opacity .15s;
  }

  .lx-langs-toggle:active {
    opacity: .65;
  }

  .lx-site-lang {
    display: none;
    border-radius: 10px;
    padding: .28rem .65rem;
    font-size: .72rem;
  }

  .lx-site-langs.lx-langs-open .lx-site-lang {
    display: block;
  }
}

/* Timer */
.lx-timer {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  transition: color .4s;
  min-width: 5ch;
  text-align: center;
}

.lx-timer.urgent {
  color: #ef4444;
  animation: lx-pulse 1s ease-in-out infinite;
}

.lx-timer.done {
  color: #ef4444;
}

@keyframes lx-pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: .5;
  }
}

/* Loading */
.lx-grid--loading {
  display: flex !important;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}

.lx-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  color: var(--text-muted);
  font-size: .85rem;
}

.lx-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

/* Grid */
.lx-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr)); /* overridden inline by JS */
  gap: 3px;
  width: 100%;
  position: relative;
  user-select: none;
  touch-action: none;
  margin-bottom: 1rem;
}

.lx-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: inherit;
  font-weight: 700;
  color: var(--text-muted);
  cursor: default;
  transition: background .12s, color .12s, border-color .12s, transform .1s;
}

.lx-cell.sel {
  background: rgba(99, 102, 241, .45);
  border-color: var(--primary);
  color: #fff;
  transform: scale(1.08);
  z-index: 1;
}

.lx-cell.found {
  background: rgba(16, 185, 129, .25);
  border-color: #10b981;
  color: #6ee7b7;
}

@keyframes lx-err {

  0%,
  100% {
    transform: translateX(0);
    background: rgba(239, 68, 68, .3);
  }

  30% {
    transform: translateX(-4px);
  }

  70% {
    transform: translateX(4px);
  }
}

.lx-cell.err {
  animation: lx-err .32s ease;
  border-color: #ef4444;
}

/* Word list */
.lx-words {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  justify-content: center;
  min-height: 2.2rem;
  margin-bottom: .75rem;
}

.lx-chip {
  padding: .3rem .65rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text-muted);
  transition: all .3s;
}

.lx-chip.done {
  background: rgba(16, 185, 129, .15);
  border-color: #10b981;
  color: #6ee7b7;
  text-decoration: line-through;
  text-decoration-color: #10b981;
}

/* Share button */
.lx-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: .6rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: color .2s, border-color .2s;
  margin-top: .5rem;
}

.lx-share-btn:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--primary);
}

.lx-share-btn:disabled {
  color: #10b981;
  border-color: #10b981;
  cursor: default;
}

/* New game button */
.lx-btn {
  display: block;
  width: 100%;
  padding: .7rem;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .2s;
}

.lx-btn:hover {
  opacity: .85;
  transform: translateY(-1px);
}

/* Start overlay */
.lx-start-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 30, .96);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.lx-start-box {
  width: 100%;
  max-width: 360px;
  padding: 1.5rem 1.75rem 1.25rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  align-items: center;
  background: rgba(15, 15, 30, .45);
  border-radius: 28px;
  box-shadow: 0 32px 70px rgba(0, 0, 0, .25);
}

.lx-start-emoji {
  width: 14rem;
  height: 14rem;
}

.lx-start-box h3 {
  font-size: 1.7rem;
  color: var(--text);
}

.lx-start-box p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 280px;
}

.lx-start-box .lx-btn {
  width: min(100%, 240px);
  padding: 1rem 2.6rem;
  font-size: 1.05rem;
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(99, 102, 241, .2);
}

/* Difficulty selector */
.lx-difficulty {
  display: flex;
  gap: .35rem;
  background: rgba(255, 255, 255, .06);
  border-radius: 999px;
  padding: .25rem;
}

.lx-diff-btn {
  flex: 1;
  padding: .4rem 1.1rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s, color .18s;
}

.lx-diff-btn.active {
  background: var(--gradient);
  color: #fff;
}

.lx-diff-btn:not(.active):hover {
  color: var(--text);
}

/* Grid size selector */
.lx-grid-size {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  width: 100%;
}

.lx-grid-size-label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.lx-grid-size-btns {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  justify-content: center;
}

.lx-size-btn {
  padding: .28rem .55rem;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.lx-size-btn.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}

.lx-size-btn:not(.active):hover {
  border-color: rgba(255, 255, 255, .3);
  color: var(--text);
}

/* Win / time-up overlay */
.lx-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 30, .93);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.lx-win-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  align-items: center;
}

.lx-win-emoji {
  font-size: 3rem;
}

.lx-win-box h3 {
  font-size: 1.6rem;
  color: var(--text);
}

.lx-win-box p {
  color: var(--text-muted);
}

.lx-win-box strong {
  font-size: 1.3rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lx-win-box .lx-btn {
  width: auto;
  padding: .6rem 1.8rem;
  margin-top: .4rem;
}

.lx-btn--outline {
  background: transparent;
  border: 1.5px solid #6366f1;
  color: #6366f1;
}

.lx-btn--outline:hover {
  background: rgba(99,102,241,.08);
  opacity: 1;
}

.lx-overlay-actions {
  display: flex;
  gap: .6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: .4rem;
}

.lx-overlay-back {
  flex-basis: 100%;
  background: rgba(15, 15, 30, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50px;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .06);
  padding: .45rem 1rem;
  transform: none;
}

.lx-overlay-back:hover {
  color: var(--text);
  opacity: 1;
  transform: none;
}

.lx-win-time {
  font-size: 1.8rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lx-scores {
  width: 100%;
  margin-top: .25rem;
}

.lx-start-plays {
  font-size: .8rem;
  color: var(--text-muted);
  margin: 0 0 .5rem;
}

.lx-scores--start {
  background: rgba(99, 102, 241, .06);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .5rem .85rem;
  margin-bottom: .15rem;
}

.lx-scores-label {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .4rem;
}

.lx-score-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .25rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
}

.lx-score-row:last-child { border-bottom: none; }

.lx-score-rank {
  width: 1.8rem;
  color: var(--text-muted);
  font-weight: 700;
  font-size: .7rem;
}

.lx-score-time {
  flex: 1;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.lx-score-pts {
  color: var(--text-muted);
  font-size: .75rem;
}

/* ─── Score popup ─── */

.lx-score-popup {
  position: absolute;
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  background: #6366f1;
  padding: .2rem .55rem;
  border-radius: 8px;
  pointer-events: none;
  white-space: nowrap;
  transform: translateX(-50%);
  animation: lx-score-float 1.6s ease-out forwards;
  z-index: 20;
  box-shadow: 0 2px 8px rgba(99,102,241,.45);
}

@keyframes lx-score-float {
  0%   { opacity: 1;   transform: translateX(-50%) translateY(0);     }
  60%  { opacity: 1;   transform: translateX(-50%) translateY(-36px); }
  100% { opacity: 0;   transform: translateX(-50%) translateY(-64px); }
}

/* ─── Word score breakdown ─── */

.lx-word-breakdown {
  width: 100%;
  margin: .5rem 0 .25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-size: .78rem;
}

.lx-word-breakdown-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .28rem .75rem;
  border-bottom: 1px solid var(--border);
}

.lx-word-breakdown-row:last-child {
  border-bottom: none;
}

.lx-word-breakdown-word {
  flex: 1;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text);
}

.lx-word-breakdown-pts {
  color: var(--text-muted);
  font-size: .72rem;
}

.lx-word-breakdown-pts em {
  font-style: normal;
  color: #6366f1;
}

.lx-word-breakdown-total {
  font-weight: 700;
  color: var(--text);
  min-width: 2rem;
  text-align: right;
}

/* ─── Particles ─── */

.particle {
  position: fixed;
  pointer-events: none;
  opacity: 0;
  animation: particleFloat 3s ease-out forwards;
}

@keyframes particleFloat {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  100% {
    opacity: 0;
    transform: translateY(-100px) scale(0);
  }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ─── Contact success modal ─── */
.contact-success-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  transition: opacity .3s ease;
}

.contact-success-modal.show {
  opacity: 1;
}

.success-box {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  text-align: center;
  max-width: 380px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  align-items: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
  transform: scale(.95);
  transition: transform .3s ease;
}

.contact-success-modal.show .success-box {
  transform: scale(1);
}

.success-icon {
  width: 52px;
  height: 52px;
  background: rgba(16, 185, 129, .15);
  border: 1px solid #10b981;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #10b981;
}

.success-box h3 {
  font-size: 1.1rem;
  color: var(--text);
}

.success-box p {
  color: var(--text-muted);
  font-size: .9rem;
}

.success-box .lx-btn {
  width: auto;
  padding: .6rem 2rem;
  margin-top: .5rem;
}

/* ─── Image save modal ─── */
.lx-img-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  padding: 1.25rem;
  animation: fadeIn .2s ease;
}

.lx-img-modal-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  max-width: 340px;
  width: 100%;
}

.lx-img-modal-img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .6);
  display: block;
}

.lx-img-modal-hint {
  font-size: .78rem;
  color: rgba(255, 255, 255, .5);
  text-align: center;
  line-height: 1.5;
  margin: 0;
}

.lx-img-modal-save {
  width: 100%;
  text-align: center;
  text-decoration: none;
  padding: .65rem;
}

.lx-img-modal-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, .4);
  font-size: 1.1rem;
  cursor: pointer;
  padding: .25rem .5rem;
  transition: color .15s;
}

.lx-img-modal-close:hover {
  color: rgba(255, 255, 255, .8);
}