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

html, body {
  width: 100%; height: 100vh;
  overflow: hidden;
  background: #111;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Courier New', Courier, monospace;
}

#header {
  color: rgba(255,255,255,0.45);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

#quiz-frame {
  position: relative;
  width: min(860px, 95vw);
}

#video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
  border: 1px solid #2a2a2a;
}

#yt-player {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: none;
}

#overlay-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

.q-wrap {
  position: absolute;
  display: none;
  flex-direction: column;
  gap: 4px;
  pointer-events: all;
}
.q-wrap.show { display: flex; }

.q-lbl {
  font-size: 10px;
  text-shadow: none !important;
  color: #000000; !important;
  background: rgba(0,0,0,0.62);
  padding: 0px 0px;
  letter-spacing: 0.5px;
  width: fit-content;
  display: none !important;
}

.q-inp {
  -webkit-text-fill-color: #000;
  color-scheme: light;
  background: transparent;
  border: 2px solid #000;
  color: #000;
  font-family: 'Calibri', 'Carlito', sans-serif;
  font-size: 16px;
  padding: 1px 1px;
  outline: none;
  caret-color: #000;
  text-align: center;
  text-shadow: none !important;
  transition: border-color 0.2s, background 0.2s;
}
.q-inp::placeholder {
  color: rgba(255,255,255,0.45);
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
}
.q-inp:focus { border-color: rgba(0,0,0,0.5); }
.q-inp.ok  { border-color: #27ae60; background: rgba(39,174,96,0.18); }
.q-inp.no  { border-color: #e74c3c; background: rgba(231,76,60,0.15); }
.q-inp[readonly] { opacity: 0.6; cursor: default; }

/* ── label type (display-only text over video) ── */
.q-label-text {
  font-family: 'Calibri', 'Carlito', sans-serif;
  font-size: 14px;
  color: #000;
  background: transparent;
  text-align: center;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

#pause-notice {
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.72);
  color: rgba(255,255,255,0.85);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 5px 16px;
  border: 1px solid rgba(255,255,255,0.12);
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
  display: none;
}
#pause-notice.on { display: block; }

/* ── bottom bars — one per group, same position ── */
.bottom-bar {
  position: absolute;
  bottom: 36px; right: 10px;
  display: none;
  align-items: center;
  gap: 8px;
  z-index: 10;
  pointer-events: all;
}
.bottom-bar.show { display: flex; }

.btn-col {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.answer-btn {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(0,0,0,0.72);
  color: #f39c12;
  border: 1.5px solid #f39c12;
  padding: 5px 18px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  display: none;
}
.answer-btn.show { display: block; }
.answer-btn:hover { background: #f39c12; color: #000; }

/* group label (top-left of video) */
.group-tag {
  position: absolute;
  top: 10px; left: 10px;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.65);
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.15);
  z-index: 10;
  display: none;
  pointer-events: none;
}
.group-tag.show { display: block; }

.score-info {
  font-size: 11.5px;
  color: #fff;
  background: rgba(0,0,0,0.68);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 6px 13px;
  letter-spacing: 0.4px;
  line-height: 1.55;
  min-width: 130px;
  text-align: center;
}

.submit-btn {
  font-family: 'Courier New', monospace;
  font-size: 11.5px;
  font-weight: bold;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(0,0,0,0.72);
  color: #fff;
  border: 2px solid #fff;
  padding: 7px 18px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.submit-btn:hover:not([disabled]) { background: #fff; color: #000; }
.submit-btn[disabled] { opacity: 0.3; cursor: not-allowed; }

#footer {
  margin-top: 10px;
  font-size: 10px;
  color: rgba(255,255,255,0.22);
  letter-spacing: 1px;
  text-align: center;
}

#quiz-summary {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.88);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 18px 28px;
  z-index: 20;
  width: max-content;
  max-width: 90%;
  display: none;
  font-family: 'Courier New', monospace;
  color: #fff;
  pointer-events: all;
}
#quiz-summary.show { display: block; }
.sum-title {
  font-size: 13px; font-weight: bold; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 12px;
  padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.2);
  white-space: nowrap;
}
.sum-row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; padding: 5px 0; color: rgba(255,255,255,0.75);
  white-space: nowrap; gap: 20px;
}
.sum-row .pct { font-weight: bold; }
.sum-row .pct.good { color: #27ae60; }
.sum-row .pct.mid  { color: #f39c12; }
.sum-row .pct.bad  { color: #e74c3c; }
.sum-row .tries-detail {
  font-size: 10px; color: rgba(255,255,255,0.35);
  margin-left: 8px;
}
.sum-total {
  display: flex; justify-content: space-between;
  font-size: 14px; font-weight: bold;
  margin-top: 10px; padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.25);
  letter-spacing: 1px;
  white-space: nowrap; gap: 20px;
}

/* ── match widget ── */
.match-wrap {
  position: absolute;
  display: none;
  pointer-events: all;
}
.match-wrap.show { display: block; }

.match-box {
  position: relative;
  background: none; !important /*rgba(255,255,255,0.88);*/
  border: none; !important /*2px solid #000;*/
  padding: 10px 14px;
}
.match-box.ok  { border-color: #27ae60; background: rgba(39,174,96,0.22); }
.match-box.no  { border-color: #e74c3c; background: rgba(231,76,60,0.18); }

.match-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
}
.match-svg line.conn   { stroke: #000; stroke-width: 2; }
.match-svg line.temp   { stroke: rgba(0,0,0,0.4); stroke-width: 1.5; stroke-dasharray: 4 3; }
.match-svg line.ok-line { stroke: #27ae60; stroke-width: 2.5; }
.match-svg line.no-line { stroke: #e74c3c; stroke-width: 2; stroke-dasharray: 4 3; }

.match-cols {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.match-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.match-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: #000;
  white-space: nowrap;
  user-select: none;
}

.match-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #000;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
  position: relative;
  z-index: 3;
}
.match-dot:hover { background: rgba(0,0,0,0.2); }
.match-dot.connected { background: #333; }
.match-dot.dragging  { background: #666; box-shadow: 0 0 0 3px rgba(0,0,0,0.15); }