:root {
  --bg: #05070f;
  --bg2: #0a0e1c;
  --glass: rgba(255, 255, 255, 0.04);
  --glass-brd: rgba(255, 255, 255, 0.09);
  --accent: #5fe3ff;
  --accent-dim: rgba(95, 227, 255, 0.5);
  --txt: #e8eef6;
  --txt-dim: #8b97ad;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Inter", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(95,227,255,0.10), transparent 60%),
    radial-gradient(900px 600px at 0% 110%, rgba(120,90,255,0.10), transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  color: var(--txt);
  min-height: 100vh;
  overflow-x: hidden;
}

header {
  display: flex; align-items: baseline; gap: 14px;
  padding: 22px 32px 8px;
}
header h1 {
  font-weight: 700; font-size: 22px; letter-spacing: 0.5px;
  background: linear-gradient(90deg, #fff, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
header .sub { color: var(--txt-dim); font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; }
.lang-switch { margin-left: auto; display: flex; gap: 4px; }
.lang-btn { padding: 5px 10px; font-size: 12px; font-weight: 600; cursor: pointer; background: var(--glass); color: var(--txt-dim); border: 1px solid var(--glass-brd); border-radius: 8px; transition: all 0.15s; }
.lang-btn:hover { color: #fff; }
.lang-btn.active { background: linear-gradient(135deg, var(--accent), #3aa0ff); color: #02101a; }
header { gap: 14px; }

.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  padding: 12px 32px 40px;
  align-items: start;
}
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  border-radius: 18px;
  padding: 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}

.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 12px; color: var(--txt-dim);
  margin-bottom: 6px; letter-spacing: 0.4px; text-transform: uppercase;
}
.field input[type=text], .field input[type=date], .field input[type=time],
.field input[type=number], .field select {
  width: 100%; padding: 10px 12px; font-size: 14px;
  background: rgba(0,0,0,0.25); color: var(--txt);
  border: 1px solid var(--glass-brd); border-radius: 10px;
  outline: none; transition: border 0.15s, box-shadow 0.15s;
}
.field input:focus, .field select:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(95,227,255,0.12);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
#customFields { grid-template-columns: 1fr 1fr; gap: 12px; }

input[type=range] {
  width: 100%; accent-color: var(--accent); margin-top: 4px;
}
.slider-head { display: flex; justify-content: space-between; align-items: baseline; }
.slider-head .val { color: var(--accent); font-size: 13px; font-weight: 600; }

.toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.toggle input { width: 18px; height: 18px; accent-color: var(--accent); }
.toggle span { font-size: 13px; color: var(--txt); }

.swatches { display: flex; gap: 8px; }
.swatches input[type=radio] { display: none; }
.swatches label {
  width: 26px; height: 26px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; transition: transform 0.1s;
}
.swatches input:checked + label { border-color: #fff; transform: scale(1.12); }

.divider { height: 1px; background: var(--glass-brd); margin: 18px 0; }

.btns { display: grid; gap: 10px; }
button.act {
  padding: 12px; border: none; border-radius: 11px; cursor: pointer;
  font-size: 14px; font-weight: 600; letter-spacing: 0.3px;
  transition: transform 0.1s, box-shadow 0.2s;
}
button.primary {
  background: linear-gradient(135deg, var(--accent), #3aa0ff);
  color: #02101a;
  box-shadow: 0 6px 20px rgba(95,227,255,0.3);
}
button.ghost {
  background: var(--glass); color: var(--txt);
  border: 1px solid var(--glass-brd);
}
button.act:hover { transform: translateY(-1px); }
button.act:active { transform: translateY(0); }

.stage {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  min-height: 70vh;
  border-radius: 22px;
  background: radial-gradient(700px 500px at 50% 40%, rgba(95,227,255,0.05), transparent 70%);
}
#preview {
  width: min(70vh, 100%); height: auto; aspect-ratio: 3 / 4;
  border-radius: 16px;
  filter: drop-shadow(0 0 50px rgba(95,227,255,0.15));
}
.stage .meta {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  font-size: 12px; color: var(--txt-dim);
  background: rgba(0,0,0,0.3); padding: 6px 14px; border-radius: 20px;
  border: 1px solid var(--glass-brd); backdrop-filter: blur(8px);
}
.stage .meta b { color: var(--accent); }
.note { font-size: 11px; color: var(--txt-dim); line-height: 1.5; margin-top: 8px; }

/* zakładki trybów */
.tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 14px; }
.tab {
  padding: 10px 8px; font-size: 13px; cursor: pointer;
  background: rgba(0,0,0,0.25); color: var(--txt-dim);
  border: 1px solid var(--glass-brd); border-radius: 10px;
  transition: all 0.15s;
}
.tab:hover { color: var(--txt); }
.tab.active {
  background: linear-gradient(135deg, rgba(95,227,255,0.25), rgba(58,160,255,0.15));
  color: #fff; border-color: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-dim), 0 4px 16px rgba(95,227,255,0.15);
}

/* presety */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 6px 12px; font-size: 12px; cursor: pointer;
  background: var(--glass); color: var(--txt-dim);
  border: 1px solid var(--glass-brd); border-radius: 20px; transition: all 0.15s;
}
.chip:hover { color: #fff; border-color: var(--accent-dim); background: rgba(95,227,255,0.1); }

/* wycena */
.pricing { background: rgba(0,0,0,0.2); border: 1px solid var(--glass-brd); border-radius: 12px; padding: 14px; }
.pricing-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.pricing-head > span { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--txt-dim); }
.pricing-head select { width: auto; padding: 6px 10px; font-size: 12px; background: rgba(0,0,0,0.3); color: var(--txt); border: 1px solid var(--glass-brd); border-radius: 8px; }
.breakdown { font-size: 12px; color: var(--txt-dim); display: grid; gap: 4px; }
.breakdown > div { display: flex; justify-content: space-between; }
.breakdown .muted { color: #5a6478; border-top: 1px solid var(--glass-brd); margin-top: 4px; padding-top: 6px; }
.price-total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--glass-brd); }
.price-total span { font-size: 13px; color: var(--txt-dim); }
.price-total b { font-size: 26px; color: var(--accent); font-weight: 700; }

/* scena + tilt */
.canvas-wrap { transition: transform 0.15s ease-out; transform-style: preserve-3d; }
.view-toggle {
  position: absolute; top: 14px; right: 14px; z-index: 5;
  padding: 8px 14px; font-size: 13px; cursor: pointer; font-weight: 600;
  background: var(--glass); color: var(--txt); border: 1px solid var(--glass-brd);
  border-radius: 10px; backdrop-filter: blur(8px); transition: all 0.15s;
}
.view-toggle:hover { border-color: var(--accent-dim); color: #fff; }
.view-toggle.active { background: linear-gradient(135deg, var(--accent), #3aa0ff); color: #02101a; }

/* asystent opisu */
.assistant { background: rgba(95,227,255,0.06); border: 1px solid var(--glass-brd); border-radius: 12px; padding: 10px 12px; margin-bottom: 14px; }
.assistant summary { cursor: pointer; font-size: 13px; color: var(--accent); font-weight: 600; list-style: none; }
.assistant summary::-webkit-details-marker { display: none; }
.assistant textarea { width: 100%; margin-top: 8px; padding: 8px 10px; background: rgba(0,0,0,0.25); color: var(--txt); border: 1px solid var(--glass-brd); border-radius: 8px; font-family: inherit; font-size: 13px; resize: vertical; box-sizing: border-box; }
.assistant button { margin-top: 8px; width: 100%; }

/* overlay wariantów */
.variants-overlay {
  position: absolute; inset: 0; z-index: 20;
  background: rgba(3,6,12,0.92); backdrop-filter: blur(10px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; border-radius: 22px; padding: 24px;
}
.variants-head { color: var(--txt-dim); font-size: 13px; letter-spacing: 0.4px; }
.variants-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 720px; }
.variant-thumb {
  width: 100%; height: auto; aspect-ratio: 3/4; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--glass-brd); transition: transform 0.12s, border-color 0.12s;
  background: #05070f;
}
.variant-thumb:hover { transform: scale(1.04); border-color: var(--accent); box-shadow: 0 0 20px rgba(95,227,255,0.3); }

/* galeria projektów */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; max-width: 720px; max-height: 70vh; overflow-y: auto; }
.gallery-card { position: relative; cursor: pointer; }
.gallery-card img { width: 100%; aspect-ratio: 3/4; border-radius: 8px; border: 1px solid var(--glass-brd); transition: transform 0.12s, border-color 0.12s; }
.gallery-card:hover img { transform: scale(1.04); border-color: var(--accent); }
.gallery-cap { font-size: 11px; color: var(--txt-dim); text-align: center; margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gallery-del { position: absolute; top: 4px; right: 4px; width: 22px; height: 22px; border-radius: 50%; border: none; background: rgba(0,0,0,0.6); color: #fff; cursor: pointer; font-size: 12px; line-height: 1; }
.gallery-del:hover { background: #e23; }
.controls { max-height: calc(100vh - 90px); overflow-y: auto; }
.controls::-webkit-scrollbar { width: 8px; }
.controls::-webkit-scrollbar-thumb { background: var(--glass-brd); border-radius: 4px; }