:root {
  --bg: #f3f6fb;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-strong: rgba(255, 255, 255, 0.88);
  --panel-soft: rgba(229, 235, 244, 0.8);
  --ink: #142033;
  --ink-soft: #5c6a82;
  --accent-strong: #237e99;
  --gold: #d9ad37;
  --blue: #3e8fd1;
  --red: #d95f57;
  --radius: 0px;
  --shadow: 0 18px 48px rgba(20, 32, 51, 0.12);
}

@property --trace-head {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

@property --trace-length {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

@font-face {
  font-family: "Saira";
  src: url("/songs/saira-regular.ttf") format("truetype");
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Saira", sans-serif;
  overscroll-behavior: none;
}

body {
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

button,
input,
output {
  font: inherit;
}

.app-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}

.global-backdrop-stack {
  position: absolute;
  inset: 0;
}

.global-backdrop {
  position: absolute;
  inset: -36px;
  background-color: #dfe8f2;
  background-size: cover;
  background-position: center;
  filter: blur(24px);
  transform: scale(1.06);
  opacity: 0;
  transition:
    opacity 420ms ease,
    transform 520ms ease;
}

.global-backdrop.is-active {
  opacity: 0.58;
  transform: scale(1.08);
}

.global-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(243, 246, 251, 0.72);
}

.screen {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  transition: opacity 220ms ease;
}

.screen.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.card {
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.screen-menu,
.screen-result,
.screen-overlay {
  display: grid;
  place-items: center;
  padding: 28px;
}

.screen-menu,
.screen-result {
  overflow: auto;
  align-items: start;
  overscroll-behavior: contain;
}

.screen-menu > *,
.screen-result > * {
  margin-block: auto;
}

#menuScreen {
  overflow: hidden;
  align-items: center;
}

#menuScreen > * {
  margin-block: 0;
}

.screen-overlay,
.screen-result {
  background: rgba(243, 246, 251, 0.68);
  backdrop-filter: blur(10px);
}

.startup-screen {
  background: rgba(243, 246, 251, 0.84);
}

.startup-card {
  width: min(760px, calc(100vw - 48px));
  min-height: min(760px, calc(100vh - 56px));
  display: grid;
  grid-template-rows: min-content 1fr min-content min-content;
  gap: 14px;
  justify-items: center;
  padding: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.startup-logo-wrap {
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
  align-self: start;
  margin-top: 96px;
}

.startup-logo-mark {
  font-size: clamp(2.8rem, 8vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: 0.08em;
  color: #142033;
}

.startup-logo-sub {
  font-size: 0.98rem;
  letter-spacing: 0.24em;
  text-transform: lowercase;
  color: rgba(20, 32, 51, 0.42);
}

.startup-progress-wrap {
  width: min(560px, calc(100vw - 48px));
  display: grid;
  gap: 12px;
  align-self: end;
  margin-bottom: 72px;
  transition:
    opacity 180ms ease,
    visibility 180ms ease;
}

.startup-progress-track {
  position: relative;
  width: 100%;
  height: 10px;
  overflow: hidden;
  background: rgba(20, 32, 51, 0.08);
}

.startup-progress-bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: #237e99;
  box-shadow: 0 0 18px rgba(35, 126, 153, 0.28);
  transition: width 220ms ease;
}

.startup-status {
  text-align: center;
  font-size: 0.98rem;
  color: rgba(20, 32, 51, 0.66);
  letter-spacing: 0.04em;
}

.startup-prompt {
  min-height: 1.4em;
  text-align: center;
  font-size: 1.06rem;
  color: rgba(35, 126, 153, 0);
  letter-spacing: 0.08em;
  transition: color 180ms ease;
  align-self: end;
  margin-bottom: 56px;
}

.startup-card.is-ready .startup-prompt {
  color: rgba(35, 126, 153, 0.92);
  animation: startupPromptPulse 1400ms ease-in-out infinite;
}

.startup-card.is-ready .startup-progress-wrap {
  opacity: 0;
  visibility: hidden;
}

@keyframes startupPromptPulse {
  0%,
  100% {
    opacity: 0.46;
  }
  50% {
    opacity: 1;
  }
}

.menu-layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(420px, 740px);
  gap: 34px;
  width: min(1240px, 100%);
  height: min(780px, calc(100vh - 56px));
  min-height: 0;
  align-items: stretch;
}

.settings-layout {
  width: min(880px, 100%);
  display: grid;
  gap: 24px;
  padding: 28px;
}

.custom-layout {
  width: min(1320px, 100%);
  display: grid;
  gap: 24px;
  padding: 28px;
}

.menu-column {
  display: grid;
  gap: 18px;
  padding: 22px;
  min-height: 0;
  background: var(--panel);
}

.menu-song-column {
  grid-template-rows: auto minmax(0, 1fr);
  padding: 0;
  gap: 16px;
  overflow: hidden;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.menu-song-search {
  position: relative;
  z-index: 2;
}

.song-search-input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(20, 32, 51, 0.1);
  border-radius: 0;
  background: rgba(255, 255, 255, 0);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  outline: none;
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.song-search-input::placeholder {
  color: rgba(20, 32, 51, 0.42);
}

.song-search-input:focus {
  border-color: rgba(35, 126, 153, 0.5);
  background: rgba(255, 255, 255, 0.9);
}

.menu-side {
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 0;
  overflow: auto;
}

.menu-column-head {
  display: grid;
  gap: 2px;
}

.song-title,
.custom-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 0.02em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.menu-song-meta {
  font-size: 1rem;
  color: rgba(20, 32, 51, 0.68);
  letter-spacing: 0.03em;
}

.menu-section-title {
  color: var(--ink-soft);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.song-list {
  display: grid;
  gap: 22px;
  align-content: start;
  overflow: auto;
  touch-action: pan-y;
  padding: 0 0 18px;
  border-radius: 0;
  overflow: auto;
  background: transparent;
}

.song-list-empty {
  display: grid;
  place-items: center;
  min-height: 124px;
  border: 1px solid rgba(20, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.42);
  color: rgba(20, 32, 51, 0.52);
  font-size: 0.96rem;
}

.song-item {
  position: relative;
  display: block;
  width: 100%;
  min-height: 124px;
  padding: 0;
  border: 0;
  border: 1px solid rgba(20, 32, 51, 0.08);
  border-radius: 0;
  overflow: visible;
  background: rgba(217, 225, 236, 0.7);
  color: var(--ink);
  cursor: pointer;
  isolation: isolate;
  transform: scale(0.952);
  transform-origin: left center;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease,
    opacity 180ms ease;
}

.song-item::before {
  content: none;
}

.song-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 32, 51, 0.32);
  pointer-events: none;
  z-index: 0;
  transition: background-color 180ms ease;
}

.song-item:hover,
.song-item:focus-visible,
.difficulty-card:hover,
.difficulty-card:focus-visible,
.action-button:hover,
.action-button:focus-visible,
.pause-button:hover,
.pause-button:focus-visible {
  outline: none;
  transform: translateY(-1px);
}

.song-item:hover,
.song-item:focus-visible {
  transform: none;
}

.song-item.is-selected {
  transform: scale(1);
}

.song-item.is-selected,
.difficulty-card.is-selected {
  background: rgba(242, 247, 251, 0.94);
}

.song-item.is-selected::after {
  background: rgba(20, 32, 51, 0.06);
}

.song-item:not(.is-selected) .song-thumb {
  filter: saturate(0.68) brightness(0.76);
}

.song-item:not(.is-selected) .song-item-main {
  background: rgba(255, 255, 255, 0.24);
}

.song-item:not(.is-selected) .song-item-title,
.song-item:not(.is-selected) .song-item-meta {
  color: rgba(255, 255, 255, 0.88);
}

.difficulty-card.is-selected {
  border-color: rgba(35, 126, 153, 0.58);
}

.song-thumb {
  position: absolute;
  inset: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background-color: rgba(20, 32, 51, 0.14);
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.song-item-trace {
  display: none;
}

.song-item-main,
.difficulty-main {
  display: grid;
  gap: 4px;
  text-align: left;
}

.song-item-main {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(70%, 640px);
  padding: 0 22px;
  align-content: center;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(12px);
  z-index: 2;
}

.song-item-title {
  font-size: 1.38rem;
  letter-spacing: 0.02em;
  line-height: 1.08;
  overflow-wrap: anywhere;
  color: #101a2b;
}

.song-item-meta,
.difficulty-meta {
  font-size: 1rem;
  color: rgba(20, 32, 51, 0.68);
  letter-spacing: 0.03em;
}

.song-item-custom .song-thumb {
  background:
    linear-gradient(90deg, rgba(20, 32, 51, 0.2), rgba(20, 32, 51, 0.08)),
    rgba(225, 232, 241, 0.9);
}

.song-item-custom .song-item-main {
  background: rgba(255, 255, 255, 0.52);
}

.difficulty-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  align-content: start;
  margin-top: 24px;
}

.difficulty-card {
  display: grid;
  gap: 14px;
  align-items: start;
  width: 100%;
  padding: 18px;
  border: 1px solid rgba(20, 32, 51, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.difficulty-name {
  font-size: 1.72rem;
  letter-spacing: 0.03em;
}

.difficulty-level {
  width: fit-content;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: rgba(20, 32, 51, 0.08);
  letter-spacing: 0.03em;
  font-size: 1.12rem;
}

.menu-actions,
.settings-actions,
.pause-actions,
.result-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.menu-actions {
  display: grid;
  gap: 12px;
  align-self: end;
}

.menu-subactions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: 100%;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.custom-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.custom-entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.custom-entry-card {
  display: grid;
  gap: 10px;
  min-height: 180px;
  align-content: end;
  border: 1px solid rgba(20, 32, 51, 0.08);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.custom-entry-card:hover,
.custom-entry-card:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(35, 126, 153, 0.34);
  background: rgba(232, 243, 247, 0.88);
}

.custom-entry-label {
  color: var(--ink-soft);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.custom-entry-card strong {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 500;
}

.custom-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.setting {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(10px);
}

.setting span {
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.setting input[type="range"] {
  width: 100%;
  accent-color: var(--accent-strong);
}

.text-input,
.file-input {
  width: 100%;
  min-height: 50px;
  border: 1px solid rgba(20, 32, 51, 0.1);
  border-radius: var(--radius);
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  font-size: 1.02rem;
}

.file-input {
  padding: 10px 14px;
}

.custom-status {
  min-height: 28px;
  color: var(--ink-soft);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.custom-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.setting output {
  font-size: 1.6rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.keybind-panel {
  display: grid;
  gap: 14px;
}

.keybind-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.keybind-button {
  min-height: 68px;
  border: 1px solid rgba(20, 32, 51, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 0.04em;
  font-size: 1.48rem;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.keybind-button.is-listening {
  border-color: rgba(35, 126, 153, 0.62);
  background: rgba(232, 243, 247, 0.88);
}

.action-button {
  min-width: 150px;
  border: 0;
  border-radius: var(--radius);
  padding: 14px 20px;
  background: var(--accent-strong);
  color: #fff;
  cursor: pointer;
  letter-spacing: 0.05em;
  font-size: 1.16rem;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    opacity 160ms ease;
}

.action-button-light {
  background: rgba(20, 32, 51, 0.12);
  color: var(--ink);
}

.menu-start-button {
  flex: 1 1 220px;
  min-height: 58px;
}

.editor-layout {
  width: min(1360px, 100%);
  height: min(820px, calc(100vh - 56px));
  max-height: calc(100vh - 56px);
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(340px, 420px);
  gap: 20px;
  padding: 24px;
  align-items: stretch;
  overflow: hidden;
}

.editor-preview-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.editor-preview-stage {
  flex: 1 1 auto;
  position: relative;
  height: auto;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  background: rgba(246, 249, 252, 0.96);
  border: 1px solid rgba(20, 32, 51, 0.08);
}

.editor-side-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  height: 100%;
  padding: 14px;
  background: rgba(255, 255, 255, 0.8);
  overflow: hidden;
}

.editor-tab-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.editor-tab-button {
  min-height: 52px;
  border: 1px solid rgba(20, 32, 51, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-size: 1.04rem;
  cursor: pointer;
}

.editor-tab-button.is-selected {
  background: rgba(232, 243, 247, 0.94);
  border-color: rgba(35, 126, 153, 0.44);
}

.editor-side-scroll {
  min-height: 0;
  overflow: auto;
  padding-top: 14px;
  padding-right: 6px;
}

.editor-tab-panel {
  display: grid;
  gap: 16px;
}

.editor-tab-panel.is-hidden {
  display: none;
}

.editor-side-grid {
  grid-template-columns: 1fr;
}

.editor-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.editor-stat {
  min-width: 132px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  font-size: 1.02rem;
}

.editor-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.editor-shortcuts {
  display: grid;
  gap: 6px;
  color: var(--ink-soft);
}

.editor-shortcuts span {
  font-size: 0.92rem;
  letter-spacing: 0.06em;
}

.editor-shortcut-line {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.editor-selection-panel {
  display: grid;
  gap: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.editor-selection-head {
  font-size: 0.92rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.editor-selection-actions {
  display: flex;
  justify-content: flex-end;
}

.editor-actions {
  flex: 0 0 auto;
  gap: 10px;
  align-items: center;
}

.editor-actions .action-button {
  min-width: 88px;
  min-height: 38px;
  padding: 8px 12px;
  font-size: 0.92rem;
  line-height: 1;
}

.editor-zoom-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.editor-zoom-controls .action-button {
  min-width: 42px;
}

.editor-zoom-value {
  min-width: 58px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

.overlay-card,
.intro-card,
.pause-card {
  padding: 28px 34px;
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  text-align: center;
  backdrop-filter: blur(16px);
}

.loading-title,
.intro-caption {
  font-size: 1.1rem;
  letter-spacing: 0.36em;
  color: var(--ink-soft);
}

.loading-progress {
  margin-top: 16px;
  font-size: clamp(2rem, 8vw, 4rem);
  letter-spacing: 0.02em;
}

.intro-card {
  min-width: min(900px, 88vw);
  padding: 38px 42px;
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px;
}

.intro-main,
.intro-side {
  display: grid;
}

.intro-main {
  gap: 6px;
  text-align: left;
}

.intro-side {
  gap: 6px;
  justify-items: end;
  text-align: right;
}

.intro-title {
  font-size: clamp(3rem, 10vw, 5.4rem);
  letter-spacing: 0.02em;
}

.intro-difficulty {
  font-size: clamp(1.3rem, 5vw, 2rem);
  color: var(--accent-strong);
  letter-spacing: 0.08em;
}

.intro-meta {
  font-size: clamp(0.96rem, 2.6vw, 1.2rem);
  color: rgba(20, 32, 51, 0.62);
  letter-spacing: 0.04em;
}

.play-screen {
  background: transparent;
  touch-action: none;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.hud {
  position: absolute;
  z-index: 2;
}

.hud-left {
  top: max(16px, env(safe-area-inset-top));
  left: max(18px, env(safe-area-inset-left));
}

.hud-right {
  top: max(16px, env(safe-area-inset-top));
  right: max(20px, env(safe-area-inset-right));
  text-align: right;
}

.hud-center {
  left: 50%;
  top: max(18px, env(safe-area-inset-top));
  transform: translateX(-50%);
  text-align: center;
}

.hud-bottom-left {
  left: max(18px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
}

.hud-bottom-right {
  right: max(20px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  text-align: right;
}

.pause-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  cursor: pointer;
  backdrop-filter: blur(14px);
  transition: transform 160ms ease;
}

.pause-button span {
  width: 5px;
  height: 18px;
  border-radius: 3px;
  background: var(--ink);
}

.hud-score {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: 0.02em;
}

.combo-value {
  min-width: 3ch;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: 0.02em;
}

.combo-label {
  color: rgba(20, 32, 51, 0.58);
  letter-spacing: 0.06em;
  font-size: 0.86rem;
}

.hud-corner-text {
  font-size: clamp(1rem, 2vw, 1.3rem);
  letter-spacing: 0.03em;
}

.judgement-layer {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 3;
}

.judgement-text {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%) scale(0.84);
  display: grid;
  gap: 2px;
  justify-items: center;
  text-align: center;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  letter-spacing: 0.02em;
  opacity: 0;
  transition:
    opacity 320ms ease,
    transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
  font-weight: 500;
  white-space: nowrap;
}

.judgement-label {
  line-height: 0.95;
}

.judgement-offset {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 0.24em;
  color: rgba(20, 32, 51, 0.68);
  letter-spacing: 0;
  line-height: 1;
}

.judgement-text.is-enter {
  opacity: 1;
  transform: translate(-50%, -70%) scale(1.08);
}

.judgement-text.is-leave {
  opacity: 0;
  transform: translate(-50%, -82%) scale(1.02);
}

.judgement-text.is-ep {
  letter-spacing: 0.04em;
  text-shadow:
    0 0 8px rgba(242, 207, 94, 0.8),
    0 0 18px rgba(242, 207, 94, 0.4);
  animation: ep-flash 420ms ease-out;
}

@keyframes ep-flash {
  0% {
    transform: translate(-50%, -58%) scale(1.1);
    opacity: 0.1;
  }

  100% {
    transform: translate(-50%, -70%) scale(1.08);
    opacity: 1;
  }
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(243, 246, 251, 0.48);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
  z-index: 4;
}

.play-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.pause-card {
  min-width: min(520px, calc(100vw - 32px));
  display: grid;
  gap: 18px;
}

.pause-actions {
  justify-content: center;
}

.countdown-value {
  font-size: clamp(4rem, 16vw, 8rem);
  letter-spacing: 0.08em;
  color: var(--ink);
}

.result-layout {
  width: min(980px, calc(100vw - 28px));
  max-height: calc(100vh - 56px);
  padding: 20px;
  display: grid;
  gap: 14px;
  overflow: auto;
  background: rgba(255, 255, 255, 0.82);
}

.result-topline {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) auto minmax(220px, 0.9fr);
  gap: 16px;
  align-items: end;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(20, 32, 51, 0.08);
}

.result-head {
  display: grid;
  gap: 4px;
  text-align: left;
  min-width: 0;
}

.result-title,
.result-judgements-head {
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.result-song {
  font-size: 1rem;
  letter-spacing: 0.02em;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.result-score {
  font-size: clamp(2.35rem, 7vw, 4.2rem);
  letter-spacing: 0.02em;
  line-height: 0.95;
  white-space: nowrap;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.result-highlight,
.result-stat {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.result-highlight span,
.result-stat span {
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  font-size: 0.76rem;
}

.result-highlight strong {
  font-size: clamp(1.35rem, 4vw, 2rem);
  line-height: 1;
}

.result-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.result-judgements {
  display: grid;
  gap: 10px;
}

.result-offsets {
  display: grid;
  gap: 10px;
}

.result-body {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 1.18fr);
  gap: 14px;
  align-items: stretch;
}

.result-median {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel-soft);
}

.result-median span {
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  font-size: 0.76rem;
}

.result-median strong {
  font-size: 1.22rem;
}

.result-distribution {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 5px;
  min-height: 118px;
  padding: 10px;
  background: rgba(229, 235, 244, 0.72);
}

.result-distribution-bin {
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 5px;
  align-items: end;
  min-width: 0;
}

.result-distribution-bar {
  width: 100%;
  min-height: 4px;
  align-self: end;
  background: rgba(35, 126, 153, 0.72);
}

.result-distribution-count,
.result-distribution-label {
  text-align: center;
  font-size: 0.72rem;
  color: rgba(20, 32, 51, 0.58);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.result-stat strong {
  font-size: 1.35rem;
  line-height: 1;
}

.result-actions {
  justify-content: center;
}

@media (max-width: 980px) {
  .menu-layout,
  .settings-grid,
  .custom-entry-grid,
  .custom-grid,
  .keybind-grid,
  .result-summary,
  .result-meta-grid,
  .result-grid,
  .result-topline,
  .result-body {
    grid-template-columns: 1fr;
  }

  .editor-layout {
    grid-template-columns: 1fr;
    height: auto;
    min-height: auto;
    max-height: none;
    overflow: visible;
  }

  .editor-preview-stage {
    height: min(62vh, 620px);
    min-height: 460px;
  }

  #menuScreen .menu-layout {
    height: calc(100vh - 56px);
    grid-template-rows: minmax(0, 1fr) auto;
  }

  #menuScreen .menu-side {
    max-height: 42vh;
  }
}

@media (max-width: 620px) {
  .screen-menu,
  .screen-result,
  .screen-overlay {
    padding: 14px;
  }

  .song-item {
    min-height: 108px;
  }

  .song-item-main {
    width: min(78%, 360px);
    padding: 0 18px;
  }

  #menuScreen .menu-layout {
    height: calc(100vh - 28px);
  }

  #menuScreen .menu-side {
    max-height: 44vh;
  }

  .menu-actions,
  .settings-actions,
  .custom-actions,
  .pause-actions,
  .result-actions {
    flex-direction: column;
  }

  .action-button {
    width: 100%;
  }

  .result-layout,
  .settings-layout,
  .custom-layout,
  .editor-layout {
    padding: 20px 16px;
  }

  .result-layout {
    max-height: none;
    overflow: visible;
  }

  .editor-preview-stage {
    height: min(56vh, 520px);
    min-height: 380px;
  }

  .editor-layout {
    height: auto;
    min-height: calc(100vh - 28px);
    max-height: none;
    overflow: visible;
  }
}