:root {
  --bg: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #9aa0aa;
  --primary: #22c55e;
  --primary-contrast: #05250f;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: #1f2937;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: radial-gradient(1200px 600px at 30% -10%, #0b1026, var(--bg));
  color: var(--text);
}

.site-header {
  padding: 24px 20px 8px;
}
.site-header h1 {
  margin: 0 0 4px;
  font-weight: 700;
}
.site-header p { color: var(--muted); margin: 0; }

.tabs {
  display: flex;
  gap: 8px;
  padding: 12px 20px 20px;
}
.tab {
  appearance: none;
  border: 1px solid var(--border);
  background: #0b1222;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .2s ease;
}
.tab:hover { transform: translateY(-1px); }
.tab.active { background: #111934; border-color: #2b3750; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

.section { display: none; }
.section.active { display: block; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 10px 35px rgba(0,0,0,0.28);
}

.question {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.answers { list-style: none; padding: 0; margin: 0; }
.answers li { margin-bottom: 8px; }
.answers .choice-btn {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1222;
  color: var(--text);
  cursor: pointer;
}
.answers .choice-btn:hover { border-color: #334155; }
.answers .choice-btn.selected { outline: 2px solid #3b82f6; }

.answers .checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1222;
}
.answers .checkbox-row input[type="checkbox"] { width: 18px; height: 18px; }
.answers .checkbox-row label { cursor: pointer; }

.actions { display: flex; gap: 10px; margin-top: 12px; }
button {
  appearance: none;
  border: 1px solid var(--border);
  background: #0b1222;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}
button.primary { background: var(--primary); color: #05250f; border-color: #16a34a; }
button.secondary { background: #0c1326; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.inline { display: flex; gap: 8px; }
.choice.selected { outline: 2px solid #3b82f6; }

.result { margin-top: 10px; min-height: 24px; }
.result.success { color: var(--primary); }
.result.error { color: var(--danger); }
.result.info { color: var(--warning); }

.field { margin: 8px 0 0; }
.field input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1222;
  color: var(--text);
}

.order-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.order-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1222;
  margin-bottom: 8px;
}
.drag-handle {
  flex: 0 0 auto;
  width: 18px; height: 18px;
  border-radius: 6px;
  background: #1f2937;
}
.order-item[draggable="true"] { cursor: grab; }
.order-item.dragging { opacity: 0.6; }
.order-item.over { outline: 2px dashed #3b82f6; }

.match-rows { display: grid; grid-template-columns: 1fr; gap: 8px; }
.match-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 10px;
}
.match-row .label { color: var(--muted); }
.match-select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1222;
  color: var(--text);
}

.site-footer {
  padding: 20px;
  color: var(--muted);
  text-align: center;
}

@media (min-width: 640px) {
  .card { padding: 22px; }
  .match-rows { grid-template-columns: 1fr; }
}