/* ==========================================================
   LEVEL 3 — SPLIT COLUMN INFERENCE (FIXED LAYOUT)
========================================================== */

/* Parent container: two columns side-by-side */
.l3-split-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin: 30px auto;
  width: 90%;
  max-width: 1200px;
}

/* ==========================================================
   LEVEL 3 — LEFT COLUMN (LIGHT + CLEAN)
========================================================== */

#l3LeftColumn {
  background: transparent !important;
  font-size: 1.8rem;
  line-height: 2.4rem;
  font-weight: 600;
  padding-right: 20px;
  color: #333;                 /* lighter text */
}

/* ==========================================================
   LEVEL 3 — RIGHT COLUMN (LIGHTER BACKGROUND)
========================================================== */

#l3RightColumn {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 18px;
  background: #f4f4f4 !important;   /* ⭐ lighter column */
  padding: 10px 0;
}

/* ==========================================================
   LEVEL 3 — OPTION BUTTONS (LIGHTER + CLEANER)
========================================================== */

#l3RightColumn .l3OptionBtn {
  width: 100%;
  padding: 16px 20px;
  font-size: 1.8rem;
  line-height: 2.2rem;
  font-weight: 600;
  text-align: left;
  border-radius: 10px;

  background: #ffffff;          /* ⭐ bright white buttons */
  border: 2px solid #d0d0d0;    /* ⭐ soft border */
  color: #333333;               /* ⭐ readable text */

  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

#l3RightColumn .l3OptionBtn:hover {
  background: #f0f0f0;          /* ⭐ soft hover */
  border-color: #bcbcbc;
}

/* ==========================================================
   LEVEL 3 — CORRECT / WRONG FEEDBACK (KEEP STRONG COLORS)
========================================================== */

#l3RightColumn .l3OptionBtn.l3-correct {
  background-color: #4CAF50 !important;
  color: #fefefe !important;
}

#l3RightColumn .l3OptionBtn.l3-wrong {
  background-color: #F44336 !important;
  color: #fefefe !important;
}
/* ==========================================================
   LEVEL 3 — FINAL SUMMARY (LIGHT THEME)
========================================================== */

#screen4L3,
#screen4L3 .l3-summary-box {
  background: #f7f7f7 !important;     /* light background */
  color: #333 !important;             /* readable text */
}

/* Summary container */
.l3-summary-box {
  padding: 24px;
  border-radius: 12px;
  border: 2px solid #e0e0e0;          /* soft border */
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  margin: 20px auto;
  width: 90%;
  max-width: 700px;
}

/* Summary lines */
.l3-summary-line {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 12px 0;
  color: #444 !important;             /* softer text */
}

/* Summary numbers */
.l3-summary-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: #222 !important;             /* darker but not harsh */
}

/* Play again / exit buttons */
#l3SummaryPlayAgainBtn,
#l3SummaryExitBtn {
  background: #4a90e2;
  color: #fff;
  border: none;
  padding: 14px 28px;
  font-size: 1.3rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 20px;
}

#l3SummaryPlayAgainBtn:hover,
#l3SummaryExitBtn:hover {
  background: #3578c4;
}