.btn {
  display: block;
  width: 100%;
  max-width: 280px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-align: center;
  transition: transform 0.1s, box-shadow 0.1s, background 0.2s;
  margin: 6px auto;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #ff9f43);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,53,0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(255,107,53,0.6);
}

.btn-secondary {
  background: var(--color-panel);
  border: 1.5px solid var(--color-panel-border);
  color: var(--color-white);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
}

.btn-ad {
  background: linear-gradient(135deg, #f7971e, #ffd200);
  color: #1a0a2e;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(247,151,30,0.3);
}

.btn-coins {
  background: linear-gradient(135deg, #f7971e, #ffd200);
  color: #1a0a2e;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(247,151,30,0.3);
}

.overlay-panel {
  background: linear-gradient(180deg, var(--color-bg2), var(--color-bg));
  border: 1.5px solid var(--color-panel-border);
  border-radius: 24px;
  padding: 36px 32px;
  min-width: 300px;
  max-width: 90vw;
  text-align: center;
  box-shadow: var(--shadow);
}

.overlay-panel h2 {
  font-size: 26px;
  margin-bottom: 20px;
  color: var(--color-accent2);
}

#hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 500px;
  padding: 10px 18px 6px;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.hud-left, .hud-center, .hud-center-right, .hud-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.hud-val {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-accent2);
  line-height: 1;
}

.hud-label {
  font-size: 10px;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hud-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-bg-anim {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(255,107,53,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 70%, rgba(6,214,160,0.12) 0%, transparent 55%);
  animation: bgPulse 4s ease-in-out infinite alternate;
}

.menu-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.game-title {
  margin-bottom: 36px;
}

.title-cat {
  font-size: 72px;
  display: block;
  animation: catWobble 2s ease-in-out infinite;
}

.game-title h1 {
  font-size: 38px;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.game-title .subtitle {
  font-size: 16px;
  color: var(--color-gray);
  margin-top: 4px;
  letter-spacing: 2px;
}

.menu-score-display {
  margin-top: 20px;
  color: var(--color-green);
  font-size: 14px;
  font-weight: 700;
}

.gameover-cat {
  font-size: 60px;
  margin-bottom: 10px;
}

.score-result {
  margin: 16px 0 24px;
}

.score-row {
  font-size: 18px;
  margin: 6px 0;
  color: var(--color-gray);
}

.score-row span {
  color: var(--color-white);
  font-weight: 700;
}

.score-row.best span {
  color: var(--color-accent2);
}

.howto-content {
  text-align: center;
  max-width: 360px;
  padding: 32px 24px;
}

.howto-content h2 {
  font-size: 26px;
  color: var(--color-accent2);
  margin-bottom: 28px;
}

.howto-steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 28px;
}

.step {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-panel);
  border: 1px solid var(--color-panel-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  text-align: left;
}

.step-icon {
  font-size: 30px;
  flex-shrink: 0;
}

.step p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-gray);
}

#leaderboard-list {
  min-height: 80px;
  color: var(--color-gray);
  font-size: 14px;
  padding: 10px 0;
}

.lb-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 15px;
}

.lb-row:first-child { color: var(--color-accent2); font-weight: 700; }
.lb-row:nth-child(2) { color: var(--color-gray); }
.lb-row:nth-child(3) { color: #cd7f32; }

#message-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.75);
  border: 2px solid var(--color-accent2);
  border-radius: var(--radius);
  padding: 18px 32px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent2);
  text-align: center;
  pointer-events: none;
  z-index: 10;
}

/* ===== SHOP ===================================================================== */
#screen-shop {
  overflow-y: auto;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  background: var(--color-bg);
}

.shop-wrap {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 0 48px;
  min-height: 100%;
}

.shop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  z-index: 5;
}

.shop-back-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.shop-title {
  font-size: 20px;
  color: var(--color-accent2);
  margin: 0;
}

.shop-resources {
  display: flex;
  gap: 10px;
}

.res-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.earn-bar {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.earn-btn {
  flex: 1;
  padding: 10px 8px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #f7971e, #ffd200);
  color: #1a0a2e;
  border: none;
  box-shadow: 0 3px 12px rgba(247,151,30,0.25);
  transition: transform 0.1s, box-shadow 0.1s;
}

.earn-btn:active { transform: scale(0.96); }

.earn-btn:disabled {
  background: linear-gradient(135deg, #636e72, #b2bec3);
  color: #fff;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
  opacity: 0.8;
}

.earn-life {
  background: linear-gradient(135deg, #ef233c, #ff6b6b);
  color: #fff;
  box-shadow: 0 3px 12px rgba(239,35,60,0.25);
}

.skins-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 14px 12px;
}

.skin-card {
  background: var(--color-panel);
  border: 1.5px solid var(--color-panel-border);
  border-radius: 16px;
  padding: 14px 10px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.2s, background 0.2s;
}

.skin-card-active {
  border-color: var(--color-accent2);
  background: rgba(255,210,63,0.08);
}

.skin-preview {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skin-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
}

.skin-desc {
  font-size: 11px;
  color: var(--color-gray);
  min-height: 16px;
}

.skin-btn {
  margin-top: 4px;
  padding: 7px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  width: 100%;
  transition: transform 0.1s;
}

.skin-btn:active { transform: scale(0.95); }

.skin-active {
  background: rgba(255,210,63,0.15);
  border: 1.5px solid var(--color-accent2);
  color: var(--color-accent2);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 10px;
  width: 100%;
  margin-top: 4px;
  box-sizing: border-box;
}

.skin-select {
  background: linear-gradient(135deg, var(--color-accent), #ff9f43);
  color: #fff;
  box-shadow: 0 2px 8px rgba(255,107,53,0.3);
}

.skin-buy-coins {
  background: linear-gradient(135deg, #f9ca24, #f0932b);
  color: #1a0a2e;
}

.skin-buy-ad {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: #fff;
}

.skin-buy-free {
  background: linear-gradient(135deg, var(--color-green), #00b894);
  color: #fff;
}

/* HUD — coins & lives */
.hud-coins {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent2);
}

.hud-lives {
  display: flex;
  gap: 2px;
  font-size: 14px;
}

/* menu coins/lives bar */
.menu-res-bar {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 14px;
}

.menu-res-chip {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.earn-buy-life {
  background: linear-gradient(135deg, #fdcb6e, #e17055);
  color: #fff;
  box-shadow: 0 3px 12px rgba(253,203,110,0.25);
}

/* ===== MOBILE CONTROLS ====================================================== */
#mobile-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 500px;
  padding: 8px 16px;
  gap: 16px;
  flex-shrink: 0;
}

.mobile-ctrl-btn {
  flex: 1;
  height: 64px;
  border-radius: 18px;
  background: rgba(255,255,255,0.10);
  border: 2px solid rgba(255,255,255,0.18);
  color: #fff;
  font-size: 28px;
  font-weight: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s, transform 0.08s;
  -webkit-tap-highlight-color: transparent;
}

.mobile-ctrl-btn:active {
  background: rgba(255,210,63,0.22);
  border-color: var(--color-accent2);
  transform: scale(0.94);
}

/* Mobile controls: visible by default (mobile-first)
   Hidden on desktop (real mouse/keyboard devices) */
@media (hover: hover) and (pointer: fine) {
  #mobile-controls { display: none !important; }
}

/* Leaderboard - player highlight */
.lb-row-you {
  background: rgba(255,210,63,0.1);
  border-radius: 8px;
  color: var(--color-accent2) !important;
  font-weight: 700;
}
.lb-row-you span { color: var(--color-accent2) !important; }

/* Leaderboard panel scrollable */
#leaderboard-list {
  max-height: 320px;
  overflow-y: auto;
}

/* ===== SOUND CHECKBOX IN MENU ============================================= */
.menu-sound-row {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.sound-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-gray);
  user-select: none;
}

.sound-checkbox-label input[type="checkbox"] {
  display: none; /* скрываем системный чекбокс */
}

.sound-checkmark {
  width: 22px;
  height: 22px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-accent2);
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.sound-checkbox-label input:checked + .sound-checkmark {
  background: rgba(255,210,63,0.15);
  border-color: var(--color-accent2);
}

.sound-checkbox-label input:not(:checked) + .sound-checkmark {
  color: transparent; /* галочка исчезает */
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.15);
}

.sound-label-text {
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* HUD - кнопки в ряд */
.hud-right {
  display: flex;
  gap: 6px;
  align-items: center;
}