:root{
  --bg1:#ffe2f0;
  --bg2:#ffd1ea;
  --panel:#ffffffc7;
  --ink:#5a2a45;
  --accent:#ff4fa3;
  --accent2:#ff8bc5;
  --shadow: 0 12px 30px rgba(255,79,163,.18);
  --radius:18px;
  --gap: 10px;
  --side: 220px;
  --btn: 48px;
}

html,body{
  height:100%;
}

body{
  margin:0;
  background: radial-gradient(1200px 900px at 30% 10%, #fff 0%, var(--bg1) 40%, var(--bg2) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color:var(--ink);
  -webkit-tap-highlight-color: transparent;
  overflow:hidden;
}

.app{
  max-width: 1200px;
  margin: 0 auto;
  padding: max(10px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom));
  box-sizing: border-box;
  height: 100%;
  display:flex;
  flex-direction:column;
  gap: var(--gap);
}

.layout{
  flex: 1 1 auto;
  min-height: 0;
  display:flex;
  gap: var(--gap);
  align-items: stretch;
}

.side{
  flex: 0 0 var(--side);
  width: var(--side);
  display:flex;
  flex-direction:column;
  gap: 12px;
  min-height: 0;
}

.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
}

.logo{
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,139,197,.95), rgba(255,79,163,.95));
  box-shadow: 0 16px 30px rgba(255,79,163,.22);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .6px;
  border: 2px solid rgba(255,255,255,.55);
  flex: 0 0 auto;
  user-select:none;
}

.topBtns{
  display:flex;
  gap: 10px;
  align-items:center;
}

.panel{
  background: var(--panel);
  border: 2px solid rgba(255,79,163,.22);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 12px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.row{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap: 14px;
}

.rowTitle{
  display:flex;
  align-items:center;
  gap: 8px;
  color: rgba(90,42,69,.9);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 14px;
  background: rgba(255,255,255,.55);
  border: 2px solid rgba(255,79,163,.14);
}

.rowIcon{
  display:inline-block;
  width: 22px;
  text-align:center;
}

.rowText{
  font-size: 12px;
  letter-spacing: .3px;
  opacity: .9;
}

.switch{
  position: relative;
  width: 60px;
  height: 34px;
  display:inline-block;
  flex: 0 0 auto;
  margin-left: auto;
}

.switch input{
  opacity: 0;
  width: 0;
  height: 0;
}

.slider{
  position:absolute;
  cursor:pointer;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background: rgba(90,42,69,.16);
  border: 2px solid rgba(255,79,163,.18);
  transition: .18s ease;
  border-radius: 999px;
}

.slider:before{
  position:absolute;
  content:"";
  height: 26px;
  width: 26px;
  left: 4px;
  top: 3px;
  background: #fff;
  transition: .18s ease;
  border-radius: 999px;
  box-shadow: 0 10px 20px rgba(255,79,163,.18);
}

.switch input:checked + .slider{
  background: linear-gradient(180deg, rgba(255,139,197,.95), rgba(255,79,163,.95));
}

.switch input:checked + .slider:before{
  transform: translateX(24px);
}

.difficulty{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px;
  border-radius: 16px;
  border: 2px solid rgba(255,79,163,.16);
  background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,232,244,.72));
}

.chip[data-tier="5"]{
  grid-column: 1 / -1;
}

.chip{
  height: 44px;
  border-radius: 16px;
  border: 2px solid rgba(255,79,163,.18);
  background: rgba(255,255,255,.75);
  box-shadow: 0 10px 18px rgba(255,79,163,.12);
  color: var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 0 10px;
}

.chipIcon{
  font-size: 16px;
  letter-spacing: .3px;
  color: rgba(255,79,163,.95);
}

.chipLabel{
  font-size: 11px;
  letter-spacing: .3px;
  opacity: .85;
}

.chip.on{
  border-color: rgba(255,79,163,.38);
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,232,244,.92));
}

.badge{
  background: var(--panel);
  border: 2px solid rgba(255,79,163,.25);
  box-shadow: var(--shadow);
  border-radius: 999px;
  padding: 10px 14px;
  min-height: 44px;
  display:flex;
  align-items:center;
  flex: 1 1 auto;
}

.dots{
  display:inline-block;
  height: 12px;
  white-space: nowrap;
}

.dots i{
  display:inline-block;
  width:12px;
  height:12px;
  border-radius:999px;
  background: rgba(90,42,69,.18);
  margin-right:7px;
}

.dots i.on{
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  box-shadow: 0 6px 14px rgba(255,79,163,.35);
}

.dots i.more{
  position: relative;
}

.dots i.more::after{
  content: "\\2605";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -58%);
  font-size: 10px;
  line-height: 1;
  color: rgba(255,255,255,.92);
  text-shadow: 0 2px 6px rgba(90,42,69,.22);
}

.btnIcon{
  display:block;
  line-height: 1;
}

.btnLabel{
  display:block;
  margin-top: 2px;
  font-size: 11px;
  letter-spacing: .3px;
  opacity: .85;
}

.iconBtn{
  width:var(--btn);
  height:var(--btn);
  border-radius: 16px;
  border: 2px solid rgba(255,79,163,.28);
  background: var(--panel);
  color: var(--ink);
  font-size: 22px;
  box-shadow: var(--shadow);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 2px;
  padding: 6px 4px;
}

.iconBtn.accent{
  border-color: rgba(255,79,163,.35);
  background: linear-gradient(180deg, rgba(255,139,197,.95), rgba(255,79,163,.95));
  color:#fff;
}

.stage{
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  background: rgba(255,255,255,.58);
  border: 2px solid rgba(255,79,163,.22);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

canvas{
  width:100%;
  height:100%;
  display:block;
}

.toast{
  position:absolute;
  left: 50%;
  top: 12px;
  transform: translateX(-50%);
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  border: 2px solid rgba(255,79,163,.22);
  box-shadow: 0 10px 24px rgba(255,79,163,.18);
  font-size: 16px;
  opacity:0;
  transition: opacity .18s ease;
  pointer-events:none;
}

.toast.on{
  opacity: 1;
}

.pad{
  background: var(--panel);
  border: 2px solid rgba(255,79,163,.22);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 84px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  justify-content:center;
}

.padRow{
  display:flex;
  gap: 10px;
  justify-content:space-between;
}

.padBtn{
  flex: 1 1 0;
  height: 54px;
  border-radius: 16px;
  border: 2px solid rgba(255,79,163,.26);
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.74));
  color: var(--ink);
  font-size: 22px;
  box-shadow: 0 10px 20px rgba(255,79,163,.16);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding: 6px 6px;
}

.padBtn.big{
  font-size: 26px;
}

button{
  touch-action: manipulation;
}

button:active{
  transform: translateY(1px);
}

@media (max-width: 720px){
  body{
    overflow:auto;
  }
  .layout{
    flex-direction:column;
  }
  .side{
    width: auto;
    flex: 0 0 auto;
  }
}

@media (orientation: landscape) and (min-width: 900px){
  :root{
    --gap: 12px;
  }
}

@media (orientation: landscape) and (min-width: 1024px){
  :root{
    --gap: 14px;
    --btn: 56px;
  }
  .app{
    max-width: none;
    width: 100%;
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }
  .side{
    flex-basis: min(320px, 28vw);
    width: auto;
    justify-content: space-between;
    gap: 12px;
  }
  .logo{
    width: 60px;
    height: 60px;
    border-radius: 20px;
    font-size: 22px;
  }
  .badge{
    min-height: 56px;
    padding: 12px 16px;
  }
  .iconBtn{
    border-radius: 18px;
    font-size: 24px;
  }
  .btnLabel{
    font-size: 12px;
  }
  .padBtn{
    height: 66px;
    border-radius: 18px;
    font-size: 26px;
  }
  .padBtn.big{
    font-size: 30px;
  }
  .chip{
    height: 50px;
    border-radius: 18px;
  }
  .chipIcon{
    font-size: 17px;
  }
  .chipLabel{
    font-size: 12px;
  }
}