:root {
  --bg-top: #fff8ef;
  --bg-bottom: #ffe7d6;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-border: rgba(255, 181, 151, 0.65);
  --text-main: #7a4b3a;
  --text-light: #b78069;
  --accent: #ff8f70;
  --accent-deep: #ff6b57;
  --shadow: 0 16px 40px rgba(224, 132, 104, 0.18);
  --danger: #ff7c95;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  color: var(--text-main);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body {
  display: flex;
  justify-content: center;
}

button {
  font: inherit;
}

.page {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 20px 12px 28px;
}

.game-shell {
  width: min(100%, 520px);
}

.topbar,
.status-panel,
.game-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.title {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.subtitle {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text-light);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.control-button {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  background: #fff0ea;
  color: var(--accent-deep);
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(255, 143, 112, 0.18);
}

.control-button.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff;
}

.status-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  margin-bottom: 14px;
}

.score-card {
  background: rgba(255, 255, 255, 0.88);
  border-radius: 18px;
  padding: 14px 12px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.label {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.score-card strong {
  font-size: 28px;
  line-height: 1;
}

.game-panel {
  padding: 14px;
}

.guide-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 14px;
}

.guide-text {
  color: var(--text-light);
}

.guide-state {
  font-weight: 700;
  color: var(--accent-deep);
}

.combo-text {
  font-weight: 700;
  color: #ff8a4c;
  background: rgba(255, 244, 227, 0.9);
  padding: 4px 10px;
  border-radius: 999px;
  transform-origin: center;
}

.combo-text.combo-tier-1 {
  color: #ff8a4c;
  background: rgba(255, 244, 227, 0.92);
  animation: combo-pop-1 0.34s ease;
}

.combo-text.combo-tier-2 {
  color: #ff6d57;
  background: rgba(255, 232, 223, 0.96);
  animation: combo-pop-2 0.42s ease;
}

.combo-text.combo-tier-3 {
  color: #ffffff;
  background: linear-gradient(135deg, #ff8a4c 0%, #ff5d7b 100%);
  animation: combo-pop-3 0.52s ease;
  box-shadow: 0 10px 18px rgba(255, 109, 87, 0.28);
}

@keyframes combo-pop-1 {
  0% { transform: scale(1); }
  35% { transform: scale(1.16); }
  100% { transform: scale(1); }
}

@keyframes combo-pop-2 {
  0% { transform: scale(1) translateY(0); }
  30% { transform: scale(1.22) translateY(-2px); }
  100% { transform: scale(1) translateY(0); }
}

@keyframes combo-pop-3 {
  0% { transform: scale(1) translateY(0); }
  25% { transform: scale(1.28) translateY(-3px); }
  55% { transform: scale(1.14) translateY(-1px); }
  100% { transform: scale(1) translateY(0); }
}


.game-container {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 34;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, #fff8fb 0%, #fff0d9 100%);
  border: 3px solid rgba(255, 199, 176, 0.85);
  transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, border-color 0.18s ease-out;
}

.game-container.combo-screen-tier-1 {
  transform: scale(1.006);
  box-shadow: inset 0 0 0 2px rgba(255, 185, 110, 0.42);
  border-color: rgba(255, 191, 128, 0.95);
}

.game-container.combo-screen-tier-2 {
  transform: scale(1.012);
  box-shadow: inset 0 0 0 3px rgba(255, 134, 116, 0.48);
  border-color: rgba(255, 138, 108, 0.98);
}

.game-container.combo-screen-tier-3 {
  transform: scale(1.018);
  box-shadow: inset 0 0 0 4px rgba(255, 95, 123, 0.52), 0 0 36px rgba(255, 122, 102, 0.18);
  border-color: rgba(255, 108, 126, 1);
}

.game-container.combo-shake-tier-1 {
  animation: combo-shake-1 0.22s ease-out;
}

.game-container.combo-shake-tier-2 {
  animation: combo-shake-2 0.28s ease-out;
}

.game-container.combo-shake-tier-3 {
  animation: combo-shake-3 0.34s ease-out;
}

@keyframes combo-shake-1 {
  0%, 100% { transform: scale(1.006) translate3d(0, 0, 0); }
  25% { transform: scale(1.006) translate3d(-2px, 1px, 0); }
  50% { transform: scale(1.006) translate3d(2px, -1px, 0); }
  75% { transform: scale(1.006) translate3d(-1px, 1px, 0); }
}

@keyframes combo-shake-2 {
  0%, 100% { transform: scale(1.012) translate3d(0, 0, 0); }
  20% { transform: scale(1.012) translate3d(-3px, 2px, 0); }
  45% { transform: scale(1.012) translate3d(3px, -2px, 0); }
  70% { transform: scale(1.012) translate3d(-2px, 1px, 0); }
}

@keyframes combo-shake-3 {
  0%, 100% { transform: scale(1.018) translate3d(0, 0, 0); }
  18% { transform: scale(1.018) translate3d(-4px, 2px, 0); }
  42% { transform: scale(1.018) translate3d(4px, -3px, 0); }
  66% { transform: scale(1.018) translate3d(-3px, 2px, 0); }
  82% { transform: scale(1.018) translate3d(2px, -1px, 0); }
}

.combo-flash,
.combo-burst,
.combo-banner {
  position: absolute;
  pointer-events: none;
  z-index: 4;
}

.combo-flash {
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.28) 0%, rgba(255, 236, 204, 0.18) 28%, rgba(255, 255, 255, 0) 62%);
  opacity: 0;
}

.combo-burst {
  left: 50%;
  top: 42%;
  width: 140px;
  height: 140px;
  margin-left: -70px;
  margin-top: -70px;
  border-radius: 50%;
  border: 4px solid rgba(255, 182, 111, 0.68);
  opacity: 0;
  transform: scale(0.5);
}

.combo-banner {
  left: 50%;
  top: 20%;
  transform: translateX(-50%) scale(0.78);
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, #ff9d58 0%, #ff6f61 100%);
  opacity: 0;
  box-shadow: 0 12px 24px rgba(255, 127, 92, 0.24);
}

.combo-flash.play-tier-1 {
  animation: combo-flash-1 0.34s ease-out;
}

.combo-flash.play-tier-2 {
  animation: combo-flash-2 0.42s ease-out;
}

.combo-flash.play-tier-3 {
  animation: combo-flash-3 0.52s ease-out;
}

.combo-burst.play-tier-1 {
  animation: combo-burst-1 0.36s ease-out;
}

.combo-burst.play-tier-2 {
  animation: combo-burst-2 0.44s ease-out;
}

.combo-burst.play-tier-3 {
  animation: combo-burst-3 0.56s ease-out;
}

.combo-banner.play-tier-1 {
  animation: combo-banner-1 0.7s ease-out;
}

.combo-banner.play-tier-2 {
  animation: combo-banner-2 0.82s ease-out;
}

.combo-banner.play-tier-3 {
  animation: combo-banner-3 0.96s ease-out;
}

@keyframes combo-flash-1 {
  0% { opacity: 0; }
  25% { opacity: 0.72; }
  100% { opacity: 0; }
}

@keyframes combo-flash-2 {
  0% { opacity: 0; }
  22% { opacity: 0.84; }
  100% { opacity: 0; }
}

@keyframes combo-flash-3 {
  0% { opacity: 0; }
  20% { opacity: 0.94; }
  100% { opacity: 0; }
}

@keyframes combo-burst-1 {
  0% { opacity: 0; transform: scale(0.45); }
  25% { opacity: 0.8; }
  100% { opacity: 0; transform: scale(1.1); }
}

@keyframes combo-burst-2 {
  0% { opacity: 0; transform: scale(0.42); }
  25% { opacity: 0.9; }
  100% { opacity: 0; transform: scale(1.24); }
}

@keyframes combo-burst-3 {
  0% { opacity: 0; transform: scale(0.38); }
  22% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.4); }
}

@keyframes combo-banner-1 {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px) scale(0.76); }
  20% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.04); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-16px) scale(0.98); }
}

@keyframes combo-banner-2 {
  0% { opacity: 0; transform: translateX(-50%) translateY(12px) scale(0.72); }
  18% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.12); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-20px) scale(1.02); }
}

@keyframes combo-banner-3 {
  0% { opacity: 0; transform: translateX(-50%) translateY(14px) scale(0.68); }
  16% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.18); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-24px) scale(1.06); }
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.drop-preview-canvas,
.landing-marker {
  position: absolute;
  pointer-events: none;
  z-index: 2;
}

.drop-preview-canvas {
  opacity: 0.96;
  transition: left 0.24s cubic-bezier(0.22, 1, 0.36, 1), top 0.24s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.22s ease-out, width 0.22s cubic-bezier(0.22, 1, 0.36, 1), height 0.22s cubic-bezier(0.22, 1, 0.36, 1), margin-left 0.24s cubic-bezier(0.22, 1, 0.36, 1), transform 0.22s ease-out;
  will-change: left, top, width, height, opacity, transform;
}

.drop-preview-canvas.preview-refresh {
  transform: translateY(-8px) scale(0.92);
}

.drop-preview-canvas.preview-idle {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-follow {
  transform: translateY(-2px) scale(1.01);
}

.drop-preview-canvas.preview-hidden {
  opacity: 0.42;
}

.drop-preview-canvas.preview-visible {
  opacity: 0.98;
}

.drop-preview-canvas.preview-ready {
  filter: drop-shadow(0 6px 12px rgba(255, 143, 112, 0.2));
}

.drop-preview-canvas.preview-settle {
  transition-duration: 0.32s;
}

.drop-preview-canvas.preview-slow {
  transition-duration: 0.4s;
}

.drop-preview-canvas.preview-calm {
  transition-duration: 0.48s;
}

.drop-preview-canvas.preview-soft {
  transition-timing-function: cubic-bezier(0.18, 0.88, 0.24, 1);
}

.drop-preview-canvas.preview-smooth {
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.drop-preview-canvas.preview-landing {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-active {
  opacity: 0.98;
}

.drop-preview-canvas.preview-rest {
  opacity: 0.6;
}

.drop-preview-canvas.preview-hover {
  transform: translateY(-3px) scale(1.01);
}

.drop-preview-canvas.preview-still {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-shift {
  transition-delay: 0s;
}

.drop-preview-canvas.preview-transition {
  transition-property: left, top, opacity, width, height, margin-left, transform;
}

.drop-preview-canvas.preview-breathe {
  transform: translateY(-1px) scale(1.005);
}

.drop-preview-canvas.preview-base {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-long {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-ease {
  transition-timing-function: cubic-bezier(0.2, 0.9, 0.25, 1);
}

.drop-preview-canvas.preview-default {
  opacity: 0.96;
}

.drop-preview-canvas.preview-live {
  opacity: 0.98;
}

.drop-preview-canvas.preview-fade {
  opacity: 0.45;
}

.drop-preview-canvas.preview-normal {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-bump {
  transform: translateY(-6px) scale(0.94);
}

.drop-preview-canvas.preview-return {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-glide {
  transition-duration: 0.3s;
}

.drop-preview-canvas.preview-flow {
  transition-duration: 0.42s;
}

.drop-preview-canvas.preview-linger {
  transition-duration: 0.5s;
}

.drop-preview-canvas.preview-balanced {
  transition-duration: 0.28s;
}

.drop-preview-canvas.preview-track {
  transition-duration: 0.34s;
}

.drop-preview-canvas.preview-gentle {
  transition-duration: 0.38s;
}

.drop-preview-canvas.preview-polish {
  transition-duration: 0.44s;
}

.drop-preview-canvas.preview-main {
  opacity: 0.98;
}

.drop-preview-canvas.preview-dim {
  opacity: 0.38;
}

.drop-preview-canvas.preview-on {
  opacity: 0.98;
}

.drop-preview-canvas.preview-off {
  opacity: 0.38;
}

.drop-preview-canvas.preview-final {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-motion {
  transition-duration: 0.34s;
}

.drop-preview-canvas.preview-curve {
  transition-timing-function: cubic-bezier(0.2, 0.95, 0.25, 1);
}

.drop-preview-canvas.preview-show {
  opacity: 0.98;
}

.drop-preview-canvas.preview-hide {
  opacity: 0.38;
}

.drop-preview-canvas.preview-real {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-swap {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-back {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-sync {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-now {
  opacity: 0.98;
}

.drop-preview-canvas.preview-low {
  opacity: 0.38;
}

.drop-preview-canvas.preview-passive {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-pulse {
  transform: translateY(-5px) scale(0.95);
}

.drop-preview-canvas.preview-reset {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-keep {
  transition-duration: 0.35s;
}

.drop-preview-canvas.preview-soften {
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.drop-preview-canvas.preview-hold {
  opacity: 0.98;
}

.drop-preview-canvas.preview-sleep {
  opacity: 0.38;
}

.drop-preview-canvas.preview-true {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-change {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-end {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-motion-main {
  transition-duration: 0.34s;
}

.drop-preview-canvas.preview-motion-soft {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-visible-main {
  opacity: 0.98;
}

.drop-preview-canvas.preview-hidden-main {
  opacity: 0.38;
}

.drop-preview-canvas.preview-shape {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-animate {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-recover {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-motion {
  transition-duration: 0.34s;
}

.drop-preview-canvas.preview-main-curve {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-main-show {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-hide {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-idle {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-bump {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-reset {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-flow {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-ease {
  transition-timing-function: cubic-bezier(0.18, 0.95, 0.24, 1);
}

.drop-preview-canvas.preview-main-visible {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-fade {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-still {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-shift {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-return {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-glide {
  transition-duration: 0.34s;
}

.drop-preview-canvas.preview-main-soften {
  transition-timing-function: cubic-bezier(0.2, 0.9, 0.25, 1);
}

.drop-preview-canvas.preview-main-on {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-off {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-base {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-pop {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-back {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-time {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-timing {
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.drop-preview-canvas.preview-main-opacity {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-opacity-low {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-transform {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-transform-bump {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-transform-reset {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-linger {
  transition-duration: 0.38s;
}

.drop-preview-canvas.preview-main-smooth {
  transition-timing-function: cubic-bezier(0.18, 0.95, 0.24, 1);
}

.drop-preview-canvas.preview-main-strong {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-weak {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-neutral {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-hit {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-normal {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-track-ease {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-main-track-show {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-track-hide {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-track-idle {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-bump {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-track-reset {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-time {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-track-curve {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-main-track-opacity {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-track-opacity-low {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-track-transform {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-transform-bump {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-track-transform-reset {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-duration {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-track-timing {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-main-track-visible {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-track-hidden {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-track-still {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-shift {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-track-return {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-flow {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-track-soft {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-main-track-alpha {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-track-alpha-low {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-track-shape {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-shape-bump {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-track-shape-reset {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-lift {
  transition-duration: 0.36s;
}

.drop-preview-canvas.preview-main-track-lift-ease {
  transition-timing-function: cubic-bezier(0.2, 0.92, 0.26, 1);
}

.drop-preview-canvas.preview-main-track-bright {
  opacity: 0.98;
}

.drop-preview-canvas.preview-main-track-dim {
  opacity: 0.38;
}

.drop-preview-canvas.preview-main-track-base {
  transform: translateY(0) scale(1);
}

.drop-preview-canvas.preview-main-track-pop {
  transform: translateY(-7px) scale(0.93);
}

.drop-preview-canvas.preview-main-track-back {
  transform: translateY(0) scale(1);
}

.landing-marker {
  bottom: 18px;
  width: 58px;
  height: 12px;
  margin-left: -29px;
  border-radius: 999px;
  background: radial-gradient(ellipse at center, rgba(122, 75, 58, 0.24) 0%, rgba(122, 75, 58, 0) 72%);
  transition: left 0.28s cubic-bezier(0.22, 1, 0.36, 1), width 0.24s cubic-bezier(0.22, 1, 0.36, 1), margin-left 0.28s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.24s ease-out;
  will-change: left, width, opacity;
}

.danger-line {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 3px dashed rgba(255, 124, 149, 0.9);
  pointer-events: none;
  z-index: 2;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(122, 75, 58, 0.24);
  z-index: 3;
}

.overlay.hidden {
  display: none;
}

.overlay-card {
  width: min(82%, 320px);
  padding: 26px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  text-align: center;
  box-shadow: 0 18px 38px rgba(122, 75, 58, 0.18);
}

.overlay-card h2 {
  margin: 0 0 10px;
  font-size: 28px;
}

.overlay-card p {
  margin: 0 0 18px;
  color: var(--text-light);
  line-height: 1.5;
}

.result-stats {
  margin: 0 0 18px;
  display: grid;
  gap: 8px;
  color: var(--text-main);
  font-weight: 600;
}

@media (max-width: 640px) {
  .page {
    padding: 10px 8px 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .actions {
    justify-content: stretch;
  }

  .actions .control-button {
    flex: 1;
  }

  .status-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .next-card,
  .audio-card {
    grid-column: span 2;
    min-height: 88px;
  }

  .title {
    font-size: 24px;
  }
}

@media (max-width: 420px) {
  .guide-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .score-card strong {
    font-size: 24px;
  }
}