.etrener-anim-r4-wrap {
  --r4-primary: #013839;
  --r4-accent: #1B9156;
  --r4-accent-light: #EAF3F0;
  --r4-lewa-color: #2563eb;
  --r4-lewa-light: #e8effe;
  --r4-prawa-color: #d97706;
  --r4-prawa-light: #fef3e0;
  --r4-match-color: #1B9156;
  --r4-match-light: #e6f5ec;
  --r4-no-color: #c0392b;
  --r4-no-light: #fbe9e7;
  --r4-border: #d8dfe0;

  max-width: 880px;
  margin: 24px auto;
  background: #fff;
  border: 1px solid var(--r4-border);
  border-radius: 14px;
  padding: 28px 28px 26px;
  box-shadow: 0 2px 14px rgba(1,56,57,0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1a2b2b;
  box-sizing: border-box;
}
.etrener-anim-r4-wrap * { box-sizing: border-box; }

.etrener-anim-r4-wrap .r4-h1 {
  font-size: 21px;
  color: var(--r4-primary);
  margin: 0 0 4px;
  text-align: center;
}
.etrener-anim-r4-wrap .r4-subtitle {
  text-align: center;
  color: #5a6a6a;
  font-size: 14px;
  margin: 0 0 18px;
}

.etrener-anim-r4-wrap .r4-sql-box {
  background: var(--r4-primary);
  color: #d8f3e4;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13.5px;
  line-height: 1.55;
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 18px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.etrener-anim-r4-wrap .r4-legend {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-size: 12.5px;
}
.etrener-anim-r4-wrap .r4-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #445;
}
.etrener-anim-r4-wrap .r4-dot { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.etrener-anim-r4-wrap .r4-dot-lewa { background: var(--r4-lewa-color); }
.etrener-anim-r4-wrap .r4-dot-prawa { background: var(--r4-prawa-color); }
.etrener-anim-r4-wrap .r4-dot-match { background: var(--r4-match-color); }
.etrener-anim-r4-wrap .r4-dot-no { background: var(--r4-no-color); }

.etrener-anim-r4-wrap .r4-explain-box {
  background: var(--r4-accent-light);
  border: 1px solid #cfe6da;
  border-left: 4px solid var(--r4-accent);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14.5px;
  line-height: 1.5;
  color: #0f2a24;
  margin-bottom: 20px;
  min-height: 46px;
}
.etrener-anim-r4-wrap .r4-badge {
  display: inline-block;
  background: var(--r4-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 2px 8px;
  border-radius: 999px;
  margin-right: 8px;
  vertical-align: middle;
}

.etrener-anim-r4-wrap .r4-tables-row {
  position: relative;
  display: flex;
  gap: 90px;
  justify-content: center;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.etrener-anim-r4-wrap .r4-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 2;
}
.etrener-anim-r4-wrap .r4-table-block {
  background: #fff;
  border: 1px solid var(--r4-border);
  border-radius: 10px;
  overflow: hidden;
  min-width: 230px;
  transition: outline .2s ease;
}
.etrener-anim-r4-wrap .r4-table-title {
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  padding: 8px 12px;
  color: #fff;
}
.etrener-anim-r4-wrap .r4-title-lewa { background: var(--r4-lewa-color); }
.etrener-anim-r4-wrap .r4-title-prawa { background: var(--r4-prawa-color); }
.etrener-anim-r4-wrap .r4-title-result { background: none !important; color: var(--r4-match-color) !important; padding: 0 0 8px !important; }

.etrener-anim-r4-wrap table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}
.etrener-anim-r4-wrap th, .etrener-anim-r4-wrap td {
  padding: 7px 12px;
  text-align: left;
  border-bottom: 1px solid #eef1f1;
  white-space: nowrap;
}
.etrener-anim-r4-wrap th {
  background: #fafcfc;
  font-size: 11px;
  color: #6a7a7a;
  text-transform: uppercase;
  font-weight: 700;
}
.etrener-anim-r4-wrap tr.r4-key-highlight td.r4-key-col {
  background: #fff4d6;
  font-weight: 700;
}
.etrener-anim-r4-wrap tr[data-row] { transition: background .3s ease, opacity .3s ease; }
.etrener-anim-r4-wrap tr.r4-active-lewa { background: var(--r4-lewa-light); }
.etrener-anim-r4-wrap tr.r4-active-prawa { background: var(--r4-prawa-light); }
.etrener-anim-r4-wrap tr.r4-matched { background: var(--r4-match-light); }
.etrener-anim-r4-wrap tr.r4-nomatch-row { background: var(--r4-no-light); opacity: .55; }
.etrener-anim-r4-wrap .r4-nomatch-tag {
  display: inline-block;
  margin-left: 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--r4-no-color);
  background: #fff;
  border: 1px solid var(--r4-no-color);
  border-radius: 999px;
  padding: 1px 7px;
}

.etrener-anim-r4-wrap .r4-result-block {
  border: 1.5px dashed var(--r4-match-color);
  border-radius: 10px;
  padding: 14px 16px 16px;
  background: #fbfefc;
}
.etrener-anim-r4-wrap .r4-result-table th { background: var(--r4-match-light); color: var(--r4-primary); }
.etrener-anim-r4-wrap .r4-result-body tr {
  opacity: 0;
  transform: translateY(6px);
  animation: r4-appear .4s ease forwards;
}
@keyframes r4-appear {
  to { opacity: 1; transform: translateY(0); }
}
.etrener-anim-r4-wrap .r4-empty-row td {
  color: #9aa; font-style: italic; text-align: center;
}

.etrener-anim-r4-wrap .r4-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.etrener-anim-r4-wrap button {
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  cursor: pointer;
  transition: transform .1s ease, opacity .15s ease;
}
.etrener-anim-r4-wrap button:active { transform: scale(0.96); }
.etrener-anim-r4-wrap button:disabled { opacity: .4; cursor: default; }
.etrener-anim-r4-wrap .r4-btn-next { background: var(--r4-accent); color: #fff; }
.etrener-anim-r4-wrap .r4-btn-reset { background: #eef2f2; color: #445; }
.etrener-anim-r4-wrap .r4-btn-auto { background: var(--r4-primary); color: #fff; }
.etrener-anim-r4-wrap .r4-step-indicator {
  font-size: 12.5px;
  color: #7a8a8a;
  margin-left: 4px;
}
.etrener-anim-r4-wrap .r4-dots {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 12px;
}
.etrener-anim-r4-wrap .r4-dots i {
  width: 8px; height: 8px; border-radius: 50%;
  background: #dfe6e6; display: inline-block;
}
.etrener-anim-r4-wrap .r4-dots i.r4-done { background: var(--r4-accent); }

.etrener-anim-r4-wrap .r4-join-line { stroke: var(--r4-match-color); stroke-width: 2.5; }
.etrener-anim-r4-wrap .r4-join-dot { fill: var(--r4-match-color); }

@media (max-width: 640px) {
  .etrener-anim-r4-wrap .r4-tables-row { gap: 20px; }
  .etrener-anim-r4-wrap .r4-svg { display: none; }
}