:root{
  --off-white:#e6e8ec;
  --warm-white:#dcd6c8;
  --light-gray:#a7adb8;
  --cool-gray:#7d8591;
  --dark-gray:#4a505c;
  --charcoal:#24272f;
  --sky-1:#3d4759;
  --sky-2:#7d8794;
  --accent:#8fa3bd;
  --glass: rgba(230,232,236,0.14);
  --glass-strong: rgba(28,31,38,0.62);
  --glass-card: rgba(24,27,34,0.46);
  --glass-border: rgba(230,232,236,0.16);
  --text-soft: rgba(230,232,236,0.72);
  --font: 'Nunito', -apple-system, 'Helvetica Neue', sans-serif;
}
*{ box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html,body{
  margin:0; padding:0; width:100%; height:100%;
  background:var(--charcoal);
  overflow:hidden;
  font-family:var(--font);
  color:var(--off-white);
  user-select:none;
}
#stage{
  position:fixed; inset:0;
  display:flex; align-items:center; justify-content:center;
  background:var(--charcoal);
}
#frame{
  position:relative;
  width:100%; height:100%;
  max-width:100vw; max-height:100vh;
  background:linear-gradient(var(--sky-1), var(--sky-2));
  overflow:hidden;
}
canvas{
  display:block; width:100%; height:100%;
  transition:filter .9s ease, transform .9s ease;
}
#frame[data-state="title"] canvas,
#frame[data-state="ended"] canvas{
  filter: blur(9px) brightness(0.78) saturate(0.9);
  transform: scale(1.035);
}

/* ============================================================= */
/* Title screen                                                   */
/* ============================================================= */
#title-screen{
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:space-between;
  padding:0 0 max(28px, env(safe-area-inset-bottom));
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .7s ease, visibility 0s linear .7s;
  z-index:40;
  cursor:pointer;
}
#frame[data-state="title"] #title-screen{
  opacity:1; visibility:visible; pointer-events:auto;
  transition:opacity .8s ease .1s, visibility 0s linear 0s;
}
#title-vignette{
  position:absolute; inset:0;
  background:radial-gradient(ellipse at 50% 40%, rgba(20,22,28,0.05), rgba(16,18,24,0.55) 85%);
  pointer-events:none;
}
#title-content{
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:0 24px;
  animation:title-fade-in 1.4s ease both;
}
@keyframes title-fade-in{
  from{ opacity:0; transform:translateY(14px); }
  to{ opacity:1; transform:translateY(0); }
}
#title-block{ margin-bottom:28px; }
#title-main{
  font-family:var(--font);
  font-weight:800; font-size:clamp(32px, 6.8vw, 58px);
  letter-spacing:-0.01em; line-height:1.12;
  color:var(--off-white);
  margin:0 0 10px;
  text-shadow:0 2px 28px rgba(0,0,0,0.4), 0 0 80px rgba(143,163,189,0.18);
}
#title-by{
  font-weight:500; font-size:14px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--text-soft); margin:0;
}
/* tap-hint removed — replaced by game-selector cards */
#title-social{
  position:relative;
  display:flex; gap:14px; z-index:2;
}
.social-icon{
  width:42px; height:42px; border-radius:50%;
  background:var(--glass-card);
  border:1px solid var(--glass-border);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display:flex; align-items:center; justify-content:center;
  color:var(--off-white); opacity:0.85;
  transition:opacity .18s ease, transform .18s ease, background .18s ease;
}
.social-icon svg{ width:18px; height:18px; }
.social-icon:hover{ opacity:1; background:rgba(28,31,38,0.75); transform:translateY(-2px); }
.social-icon:active{ transform:scale(0.94); }

/* ============================================================= */
/* Gameplay HUD                                                   */
/* ============================================================= */
#hud-left, #hud-right, #keyboard-hint, #touch-controls, #pause-overlay{
  transition:opacity .4s ease;
}
#frame[data-state="title"] #hud-left,
#frame[data-state="title"] #hud-right,
#frame[data-state="title"] #keyboard-hint,
#frame[data-state="title"] #touch-controls,
#frame[data-state="ended"] #hud-left,
#frame[data-state="ended"] #hud-right,
#frame[data-state="ended"] #keyboard-hint,
#frame[data-state="ended"] #touch-controls{
  opacity:0; pointer-events:none;
}

#hud-left{
  position:absolute; top:max(18px, env(safe-area-inset-top)); left:max(20px, env(safe-area-inset-left));
  pointer-events:none;
  z-index:10;
}
#hud-card{
  background:var(--glass-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:13px 20px;
  box-shadow:0 8px 28px rgba(0,0,0,0.16);
}
#hud-stats{ display:flex; gap:20px; }
.stat{ text-align:left; }
.stat .label{
  display:block; font-size:9px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--text-soft); margin-bottom:3px; font-weight:600;
}
.stat .value{
  font-family:var(--font); font-size:17px; font-weight:700;
  color:var(--off-white); letter-spacing:0.01em;
}

/* ---------------- Top-right settings menu ---------------- */
#hud-right{
  position:absolute; top:max(18px, env(safe-area-inset-top)); right:max(20px, env(safe-area-inset-right));
  pointer-events:auto;
  z-index:10;
}
.icon-btn{
  width:38px; height:38px; border-radius:50%;
  background:var(--glass-card);
  border:1px solid var(--glass-border);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color:var(--off-white);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:transform .15s ease, background .2s ease;
  box-shadow:0 6px 20px rgba(0,0,0,0.16);
}
.icon-btn svg{ width:16px; height:16px; }
.icon-btn:hover{ background:rgba(28,31,38,0.78); }
.icon-btn:active{ transform:scale(0.92); }

.drop-panel{
  position:absolute; top:46px; right:0;
  min-width:190px;
  background:var(--glass-strong);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border:1px solid var(--glass-border);
  border-radius:14px;
  padding:6px;
  box-shadow:0 14px 38px rgba(0,0,0,0.28);
  opacity:0; transform:translateY(-6px) scale(0.98);
  pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
}
.drop-panel.open{ opacity:1; transform:translateY(0) scale(1); pointer-events:auto; }
.menu-row{
  display:flex; align-items:center; gap:10px;
  padding:9px 12px; border-radius:9px;
  font-size:12.5px; font-weight:600; letter-spacing:0.01em; color:var(--off-white);
  cursor:pointer; transition:background .15s ease;
}
.menu-row:hover{ background:rgba(230,232,236,0.1); }
.menu-row svg{ width:15px; height:15px; flex:none; opacity:0.75; }

/* ---------------- Keyboard hint ---------------- */
#keyboard-hint{
  position:absolute; bottom:max(96px, calc(env(safe-area-inset-bottom) + 96px));
  left:50%; transform:translateX(-50%) translateY(6px);
  font-size:11.5px; font-weight:600; letter-spacing:0.04em; color:var(--off-white);
  background:var(--glass-card); padding:9px 18px; border-radius:20px;
  border:1px solid var(--glass-border);
  opacity:0; transition:opacity .6s ease, transform .6s ease;
  pointer-events:none; white-space:nowrap;
  z-index:10;
}
#keyboard-hint.visible{ opacity:0.92; transform:translateX(-50%) translateY(0); }
#keyboard-hint kbd{
  display:inline-block; padding:1px 6px; border-radius:5px;
  background:rgba(230,232,236,0.16); font-family:inherit; font-size:10.5px;
}

/* ---------------- Touch controls ---------------- */
#touch-controls{
  position:absolute; bottom:0; left:0; right:0;
  display:none; justify-content:center; align-items:flex-end;
  gap:24px;
  padding: 0 0 max(36px, env(safe-area-inset-bottom));
  pointer-events:none;
  z-index:10;
}
#touch-controls.visible{ display:flex; }
.touch-group{ display:flex; gap:18px; pointer-events:none; align-items:flex-end; }
.touch-btn{
  width:86px; height:86px; border-radius:50%;
  background:rgba(24,27,34,0.55);
  border:2px solid rgba(230,232,236,0.28);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display:flex; align-items:center; justify-content:center;
  color:var(--off-white);
  pointer-events:auto;
  transition:background .12s ease, transform .12s ease;
  box-shadow: 0 4px 18px rgba(0,0,0,0.35);
}
.touch-btn svg{ width:32px; height:32px; stroke-width:2.5; }
.touch-btn.active{ background:rgba(24,27,34,0.85); transform:scale(0.92); }
#btn-jump{ width:72px; height:72px; align-self:flex-end; margin-bottom:8px; }

/* ---------------- Pause overlay ---------------- */
#pause-overlay{
  position:absolute; inset:0;
  background:rgba(16,18,24,0.5);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .35s ease;
  z-index:25;
}
#pause-overlay.visible{ opacity:1; pointer-events:auto; }
#pause-card{
  background:var(--glass-strong);
  border:1px solid var(--glass-border);
  border-radius:20px; padding:34px 42px;
  text-align:center; max-width:320px;
  box-shadow:0 20px 60px rgba(0,0,0,0.32);
}
#pause-card h1{
  font-family:var(--font); font-weight:800; font-size:24px;
  margin:0 0 8px; color:var(--off-white);
}
#pause-card p{ font-size:13.5px; color:var(--text-soft); margin:0 0 22px; line-height:1.55; font-weight:500; }
#btn-resume{
  background:var(--off-white); color:var(--charcoal); border:none;
  padding:12px 30px; border-radius:24px; font-size:13.5px; font-weight:700; letter-spacing:0.02em;
  cursor:pointer; font-family:inherit;
  transition:transform .12s ease;
}
#btn-resume:active{ transform:scale(0.96); }

/* ============================================================= */
/* Game Over screen                                               */
/* ============================================================= */
#gameover-screen{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .8s ease, visibility 0s linear .8s;
  z-index:35;
}
#frame[data-state="ended"] #gameover-screen{
  opacity:1; visibility:visible; pointer-events:auto;
  transition:opacity .9s ease .3s, visibility 0s linear 0s;
}
#gameover-card{
  text-align:center; max-width:360px; padding:38px 34px;
  background:var(--glass-card);
  border:1px solid var(--glass-border);
  border-radius:22px;
  box-shadow:0 24px 70px rgba(0,0,0,0.35);
  opacity:0; transform:translateY(10px);
  animation:gameover-rise 1s ease .4s both;
}
@keyframes gameover-rise{
  from{ opacity:0; transform:translateY(14px); }
  to{ opacity:1; transform:translateY(0); }
}
.end-line{
  font-family:var(--font); font-size:19px; font-weight:700;
  color:var(--off-white); line-height:1.5; margin:0 0 26px;
}
.end-stats{ display:flex; justify-content:center; gap:30px; margin-bottom:30px; }
.end-stats .stat{ text-align:center; }
.end-stats .stat .label{
  display:block; font-size:9.5px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--text-soft); margin-bottom:5px; font-weight:600;
}
.end-stats .stat .value{
  font-family:var(--font); font-size:19px; font-weight:800; color:var(--off-white);
}
.end-buttons{ display:flex; flex-direction:column; gap:10px; }
.btn-primary, .btn-secondary{
  border:none; padding:13px 30px; border-radius:24px; font-size:13.5px;
  font-family:inherit; font-weight:700; letter-spacing:0.02em; cursor:pointer;
  transition:transform .12s ease, background .15s ease;
}
.btn-primary{ background:var(--off-white); color:var(--charcoal); }
.btn-secondary{ background:rgba(230,232,236,0.12); color:var(--off-white); border:1px solid var(--glass-border); }
.btn-primary:active, .btn-secondary:active{ transform:scale(0.96); }

@media (max-width: 520px){
  .stat .value{ font-size:15px; }
  #hud-card{ padding:11px 15px; }
  #hud-stats{ gap:13px; }
  .touch-btn{ width:62px; height:62px; }
  #btn-jump{ width:52px; height:52px; }
  #title-block{ margin-bottom:22px; }
  #gameover-card{ padding:30px 24px; max-width:88vw; }
  .end-stats{ gap:20px; }
}

/* ============================================================= */
/* Rain Junction Hub — Game Selector                              */
/* ============================================================= */
#title-content{ gap:0; }

#game-selector{
  display:flex; flex-direction:column; gap:10px;
  width:100%; max-width:420px; padding:0 2px;
}

.game-card{
  display:flex; align-items:center; justify-content:space-between;
  background:var(--glass-card);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  border-radius:18px;
  padding:16px 18px;
  cursor:pointer;
  text-decoration:none;
  color:var(--off-white);
  position:relative; overflow:hidden;
  transition:
    background .22s ease,
    transform .22s cubic-bezier(.22,1,.36,1),
    border-color .22s ease,
    box-shadow .22s ease;
  box-shadow:0 6px 28px rgba(0,0,0,.18);
}
.game-card::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(120deg,rgba(143,163,189,.08) 0%,transparent 50%);
  opacity:0; transition:opacity .22s ease;
  pointer-events:none; border-radius:inherit;
}
.game-card:hover{
  background:rgba(22,26,38,.78);
  transform:translateY(-3px);
  border-color:rgba(230,232,236,.22);
  box-shadow:0 16px 48px rgba(0,0,0,.3);
}
.game-card:hover::before{ opacity:1; }
.game-card:active{ transform:scale(.97); }

.game-card-info{ flex:1; min-width:0; }

.game-card-title{
  font-size:14.5px; font-weight:800; color:var(--off-white);
  margin:0 0 3px; letter-spacing:.01em; line-height:1.2;
}
.game-card-desc{
  font-size:11px; color:var(--text-soft);
  margin:0; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
}

.game-card-arrow{
  width:17px; height:17px; flex-shrink:0; margin-left:14px;
  opacity:.35; transition:opacity .2s ease, transform .2s cubic-bezier(.22,1,.36,1);
}
.game-card:hover .game-card-arrow{ opacity:.85; transform:translateX(4px); }

#card-droplets:hover{ border-color:rgba(143,163,189,.3); }
#card-shimmy:hover  { border-color:rgba(163,143,189,.3); }

@media(max-width:520px){
  #game-selector{ gap:8px; }
  .game-card{ padding:13px 15px; border-radius:15px; }
  .game-card-title{ font-size:13.5px; }
  .game-card-desc{ font-size:10px; }
}