:root{
  --bg: #101010;
  --panel: #1c1c1c;
  --panel-2: #262626;
  --border: #333333;
  --ink: #f5f5f5;
  --ink-dim: #9a9a9a;
  --accent: #f6c9b1;
  --accent-2: #d6a07a;
  --danger: #e05252;
  --radius: 14px;
  --radius-sm: 8px;
  --font-head: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

#game{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}
body.playing #game{ cursor: none; }

.screen{
  position: fixed;
  inset: 0;
  overflow-y: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 16px;
  background: radial-gradient(ellipse at 50% 0%, #1f1813 0%, var(--bg) 60%);
}
.screen[hidden]{ display: none; }
.screen-dim{
  align-items: center;
  background: rgba(10,10,10,.82);
  backdrop-filter: blur(4px);
}

.menu{ width: 100%; max-width: 920px; }

.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px 20px;
}
.brand{ display: flex; align-items: center; gap: 8px; }
.brand-mark{
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  position: relative;
}
.brand-mark::after{
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 5px; height: 5px;
  transform: translate(-50%, -50%);
  background: var(--accent);
  border-radius: 50%;
}
.brand-text{
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: .2em;
  font-weight: 700;
  color: var(--ink-dim);
}
.brand-text b{ color: var(--ink); }

.icon-btn{
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font-size: 15px;
}

.eyebrow{
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
}

.title{
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(40px, 9vw, 64px);
  line-height: .95;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.title span{
  margin-left: .2em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle{
  font-size: 14px;
  color: var(--ink-dim);
  margin: 0 0 24px;
}

.columns{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 720px){
  .columns{ grid-template-columns: 1fr; }
}

.panel{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.song-list{
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 46vh;
  overflow-y: auto;
}
.song{
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--panel-2);
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  font: inherit;
  width: 100%;
}
.song:hover{ border-color: var(--border); }
.song.is-active{ border-color: var(--accent-2); background: #2c241f; }
.song-name{ font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.song-artist{ font-size: 12px; color: var(--ink-dim); }
.empty{ color: var(--ink-dim); font-size: 13px; margin: 0 0 14px; }

.song-meta{ color: var(--ink-dim); font-size: 13px; margin: -4px 0 12px; min-height: 1em; }

.analysing{
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-dim); font-size: 13px; margin-bottom: 12px;
}
.spinner{
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
[hidden]{ display: none !important; }
@keyframes spin{ to{ transform: rotate(360deg); } }

.diff-list{ display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.diff{
  display: grid;
  grid-template-columns: 10px 1fr auto;
  align-items: center;
  column-gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--panel-2);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.diff:hover{ border-color: var(--border); }
.diff.is-active{ border-color: var(--diff-color); }
.diff-dot{ width: 10px; height: 10px; border-radius: 50%; background: var(--diff-color); }
.diff-name{ font-family: var(--font-head); font-weight: 800; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.diff-stars{ font-family: var(--font-head); font-weight: 800; color: var(--diff-color); font-size: 13px; }
.diff-detail{ grid-column: 2 / 4; font-size: 11px; color: var(--ink-dim); margin-top: 3px; }
.diff-best{ color: var(--accent); }

.settings{
  display: flex; flex-direction: column; gap: 8px;
  font-size: 12px; color: var(--ink-dim);
  margin-bottom: 14px;
}
.settings label{ display: flex; align-items: center; gap: 10px; }
.settings input[type=range]{ flex: 1; accent-color: var(--accent-2); }
.settings output{ width: 52px; text-align: right; }
.keys-row{ display: flex; align-items: center; gap: 8px; }
.keys-row label{ flex: 1; gap: 8px; }
.keys-row input[type=checkbox]{ accent-color: var(--accent-2); margin: 0; }
.key-bind{
  min-width: 44px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--ink);
  font: 700 12px var(--font-head);
  cursor: pointer;
}
.key-bind:hover{ border-color: var(--accent-2); }
.key-bind.is-waiting{ border-color: var(--accent); color: var(--accent); }
.key-bind:disabled{ opacity: .35; cursor: default; }
@media (pointer: coarse){ .keys-row{ display: none; } }
@media (pointer: coarse){ .mouse-only{ display: none !important; } }

.btn{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-align: center;
  transition: transform .12s ease, filter .12s ease;
}
.btn:active{ transform: translateY(1px) scale(.98); }
.btn:disabled{ opacity: .4; cursor: default; }
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #201510;
  box-shadow: 0 10px 24px rgba(246,201,177,.18);
}
.btn-primary:hover:not(:disabled){ filter: brightness(1.06); }
.btn-ghost{
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--border);
  font-size: 12px;
  padding: 12px 20px;
}
.btn-ghost:hover{ color: var(--ink); border-color: var(--accent-2); }
.file-btn{ margin-top: auto; }

.hint{ margin: 14px 0 0; font-size: 12px; color: var(--ink-dim); text-align: center; line-height: 1.8; }
.hint kbd{
  font-family: var(--font-body);
  font-size: 11px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--ink);
}

.card{
  width: 100%;
  max-width: 340px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
.grade{
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 88px;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.grade.is-fail{ background: none; color: var(--danger); font-size: 40px; padding: 18px 0; }
.result-song{ color: var(--ink-dim); font-size: 13px; margin: 0 0 6px; }
.score-panel{ text-align: left; margin-bottom: 6px; }
.score-row{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-dim);
}
.score-row strong{ font-size: 20px; color: var(--ink); letter-spacing: 0; white-space: nowrap; }
.score-row-best{ border-top: 1px solid var(--border); }
.score-row-best strong{ color: var(--accent); }
.judges span{ font-size: 13px; font-weight: 800; }
.judges span::before{ font-size: 10px; margin-right: 4px; opacity: .8; }
.j300{ color: #7cc4e0; } .j300::before{ content: "300"; }
.j100{ color: #8fd694; } .j100::before{ content: "100"; }
.j50{ color: #e8c56b; }  .j50::before{ content: "50"; }
.jmiss{ color: var(--danger); } .jmiss::before{ content: "RATÉ"; }

.record-badge{
  align-self: center;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #201510;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 5px 12px;
  border-radius: 999px;
  margin: 0 0 6px;
}
.record-badge[hidden]{ display: none; }