:root {
  --void: #0a0618;
  --cyan: #00f5ff;
  --magenta: #ff2d95;
  --lime: #c8ff00;
  --yellow: #ffe156;
  --ink: #eef6ff;
  --muted: #7a8aa8;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

input,
textarea {
  user-select: text;
  -webkit-user-select: text;
}

html,
body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  font-family: "Jua", "Chakra Petch", system-ui, sans-serif;
  background: var(--void);
  display: flex;
  align-items: stretch;
  justify-content: center;
  color: var(--ink);
}

.stage {
  position: relative;
  width: 480px;
  max-width: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--void);
}

canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

.hud {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  left: 10px;
  right: 10px;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 8px;
  pointer-events: none;
}

.panel {
  background: rgba(10, 6, 24, 0.72);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 12px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  font-size: 11px;
  letter-spacing: 0.08em;
  min-width: 0;
}

.panel #song-chip {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.panel.right {
  align-items: flex-end;
  justify-self: end;
  border-color: rgba(255, 45, 149, 0.28);
}

.panel b {
  font-family: "Chakra Petch", sans-serif;
  font-size: 20px;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 245, 255, 0.5);
}

.hearts {
  display: flex;
  gap: 6px;
  padding-top: 8px;
}

.heart {
  width: 14px;
  height: 14px;
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  background: linear-gradient(180deg, #ff8ab8, var(--magenta));
  box-shadow: 0 0 10px rgba(255, 45, 149, 0.6);
}

.heart.empty {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.actions {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 5;
  display: flex;
  gap: 10px;
}

.actions.hidden {
  display: none;
}

.act {
  flex: 1;
  height: 64px;
  border-radius: 18px;
  border: 2px solid rgba(0, 245, 255, 0.35);
  background: rgba(10, 6, 24, 0.82);
  color: var(--ink);
  font-family: "Jua", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.act span {
  font-size: 18px;
}

.act small {
  font-family: "Chakra Petch", sans-serif;
  font-size: 11px;
  color: var(--muted);
}

.act.jump {
  border-color: rgba(0, 245, 255, 0.5);
  box-shadow: 0 0 18px rgba(0, 245, 255, 0.2);
}

.act.slide {
  border-color: rgba(255, 225, 86, 0.5);
  box-shadow: 0 0 18px rgba(255, 225, 86, 0.18);
}

.act:active {
  transform: translateY(2px);
  filter: brightness(1.25);
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: max(12px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 45, 149, 0.18), transparent 40%),
    linear-gradient(180deg, rgba(10, 6, 24, 0.96), rgba(8, 4, 18, 0.99));
}

.overlay.hidden {
  display: none;
}

.hero-art {
  width: min(22vw, 88px);
  height: min(22vw, 88px);
  object-fit: cover;
  border-radius: 50%;
  margin: 8px 0;
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.35), 0 0 28px rgba(255, 45, 149, 0.4);
}

.hero-art.small {
  width: 96px;
  height: 96px;
}

.badge {
  display: inline-block;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  color: #070714;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 11px;
  letter-spacing: 0.18em;
  margin-bottom: 8px;
}

h1 {
  margin: 0;
  font-family: "Bagel Fat One", cursive;
  font-weight: 400;
  font-size: clamp(30px, 8vw, 42px);
}

.lead,
.overlay > p {
  margin: 8px 0 12px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 15px;
}

.howto {
  width: min(100%, 340px);
  margin: 0 0 12px;
  padding: 10px 12px;
  text-align: left;
  border: 1px solid rgba(0, 245, 255, 0.28);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.4);
}

.howto-title {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.howto-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.howto-steps li {
  display: flex;
  gap: 8px;
  font-size: 14px;
  line-height: 1.45;
}

.howto-steps .num {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: #070714;
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
}

.c-cyan {
  color: var(--cyan);
}
.c-mag {
  color: var(--magenta);
}

.howto-keys {
  margin: 10px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.song-box {
  position: relative;
  width: min(100%, 340px);
  margin-bottom: 10px;
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.4);
  overflow: hidden;
  height: 148px;
  min-height: 148px;
  max-height: 148px;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
}

.song-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid rgba(0, 245, 255, 0.1);
}

.song-head #pick-label {
  color: #c8d8f8;
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.song-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  text-align: left;
  padding: 6px;
}

.song-item {
  width: 100%;
  appearance: none;
  border: none;
  background: transparent;
  color: #d0dcf8;
  font: inherit;
  font-size: 13px;
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.song-item > span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.song-item:hover,
.song-item.on {
  background: linear-gradient(90deg, rgba(255, 45, 149, 0.22), rgba(0, 245, 255, 0.14));
  box-shadow: inset 2px 0 0 var(--magenta);
}

.song-item .meta {
  color: var(--lime);
  font-size: 11px;
  flex-shrink: 0;
  font-weight: 600;
}

kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(0, 245, 255, 0.35);
  background: rgba(0, 245, 255, 0.1);
  color: var(--cyan);
  font-family: "Chakra Petch", sans-serif;
  font-size: 11px;
}

.statline {
  font-family: "Chakra Petch", sans-serif;
  font-size: 16px;
  color: var(--yellow);
  margin: 2px 0 !important;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 14px 42px;
  font-family: "Jua", sans-serif;
  font-size: 17px;
  color: #070714;
  background: linear-gradient(90deg, var(--magenta), var(--cyan) 55%, var(--lime));
  box-shadow: 0 6px 0 #0a2840;
  cursor: pointer;
  margin-top: 8px;
}

.btn:active {
  transform: translateY(3px);
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(0, 245, 255, 0.3);
  box-shadow: none;
}

.btn.kakao {
  color: #191919;
  background: linear-gradient(180deg, #fee500, #f5d800);
  box-shadow: 0 5px 0 #c4a800;
}

a {
  margin-top: 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.count-num {
  margin: auto;
  font-family: "Bagel Fat One", cursive;
  font-size: 92px;
  color: var(--cyan);
  text-shadow: 0 0 32px rgba(0, 245, 255, 0.7);
}

.stage .today-pause-btn {
  top: auto;
  left: auto;
  right: 12px;
  bottom: max(92px, calc(80px + env(safe-area-inset-bottom)));
}

@media (min-width: 520px) {
  body {
    align-items: center;
  }
  .stage {
    height: min(100dvh, 780px);
    border-radius: 22px;
    border: 1px solid rgba(0, 245, 255, 0.15);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
  }
}