:root{
  --bg:#0b1220;
  --panel:#111a2e;
  --card:#0f172a;
  --text:#e6eefc;
  --muted:#a7b4d2;
  --accent:#2dd4bf;
  --accent2:#60a5fa;
  --danger:#fb7185;
  --border:rgba(255,255,255,0.08);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(96,165,250,0.12), transparent 55%),
              radial-gradient(1200px 600px at 80% 20%, rgba(45,212,191,0.12), transparent 55%),
              var(--bg);
  color: var(--text);
}

.app{
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 14px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.brand{display:flex; align-items:center; gap: 12px;}
.dot{
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(45,212,191,0.10);
}
.title{font-weight:800; letter-spacing:0.2px; font-size: 16px;}
.subtitle{color: var(--muted); font-size: 12px; margin-top: 3px;}

.controls{display:flex; gap: 8px; flex-wrap: wrap;}
.btn{
  appearance:none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor:pointer;
  font-weight:700;
  font-size: 13px;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.14);}
.btn:active{transform: translateY(1px);}
.btn:disabled{opacity:0.45; cursor:not-allowed;}
.btn.primary{
  border-color: rgba(45,212,191,0.35);
  background: linear-gradient(135deg, rgba(45,212,191,0.30), rgba(96,165,250,0.20));
}

.stage{
  margin-top: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  overflow:hidden;
  box-shadow: var(--shadow);
}

.slide{margin:0; padding:0;}
.slide img{
  width:100%;
  height: min(78vh, 720px);
  object-fit: contain;
  display:block;
  background: rgba(0,0,0,0.35);
}

.caption{
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: rgba(15,23,42,0.65);
}
.cap-title{font-size: 20px; font-weight: 800;}
.cap-meta{margin-top: 8px; display:flex; align-items:center; justify-content:space-between; gap: 10px;}
#capHint{color: var(--muted); font-size: 13px; line-height: 1.35;}
.pill{
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.progress{height: 8px; background: rgba(255,255,255,0.05);}
.progress-bar{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .08s linear;
}

.panel{
  margin-top: 14px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  box-shadow: var(--shadow);
}

.row{display:flex; gap: 16px; flex-wrap: wrap; align-items:center;}
.toggle{display:flex; gap: 10px; align-items:center; cursor:pointer; user-select:none;}
.toggle input{transform: scale(1.15);}
.field{display:flex; flex-direction:column; gap: 8px; min-width: 220px;}
.field span{color: var(--muted); font-size: 12px;}
.field input, .field select{
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  outline:none;
}

.help{margin-top: 10px; color: var(--muted);}
.help summary{cursor:pointer; font-weight:700; color: var(--text);}
.help ol{margin-top: 10px;}
.help code{background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 6px;}

.footer{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}
.muted{opacity:0.85}

@media (max-width: 720px){
  .slide img{height: min(70vh, 520px);}
  .cap-title{font-size: 18px;}
}


/* Ustawienia (zwinięte domyślnie) */
.settings{margin-top: 6px; color: var(--muted);} 
.settings summary{cursor:pointer; font-weight:700; color: var(--text);} 
.settings[open] summary{margin-bottom: 8px;}


/* Ikonka mute w topbarze */
.btn.icon{padding:10px 10px; min-width:44px; text-align:center;}
.btn.icon[aria-pressed="true"]{background: rgba(45,212,191,0.14); border-color: rgba(45,212,191,0.45);}