/* Reading — layout only (colors from global.css) */

.reading-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.reading-main {
  flex: 1;
  display: flex;
  overflow: hidden;
  background: var(--bg);
}

.reading-split {
  display: flex;
  width: 100%;
  height: 100%;
}

.reading-left, .reading-right {
  flex: 1;
  padding: 40px;
  overflow-y: auto;
}

.reading-left {
  background: white;
  border-right: 1px solid var(--border);
}

.reading-passage {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text1);
}

.reading-q-card {
  background: white;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.reading-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.reading-option:hover {
  background: var(--accent-lt);
  border-color: var(--accent);
}

.reading-option.selected {
  background: var(--accent-lt);
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-lt);
}

.reading-radio {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  margin-top: 2px;
  flex-shrink: 0;
}

.reading-option.selected .reading-radio {
  border-color: var(--accent);
  background: radial-gradient(var(--accent) 40%, transparent 50%);
}

.reading-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 4px;
  margin-top: 2px;
  flex-shrink: 0;
}

.reading-option.selected .reading-checkbox {
  background: var(--accent);
  border-color: var(--accent);
}

/* Fill in the blanks styles */
.blank-dropdown {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent-lt);
  cursor: pointer;
  min-width: 80px;
  text-align: center;
  font-weight: 600;
  color: var(--accent);
  margin: 0 4px;
}

.reading-drop-zone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
  height: 32px;
  border: 2px dashed var(--border);
  background: #f8fafc;
  border-radius: 6px;
  margin: 0 6px;
  vertical-align: middle;
  transition: all 0.2s;
  padding: 0 8px;
  font-weight: 700;
  color: var(--accent);
  cursor: default;
}

.reading-drop-zone:not(:empty) {
  border: 2px solid var(--accent);
  background: var(--accent-lt);
}

.reading-drop-zone[ondragover] {
  border-color: var(--accent);
  background: #eff6ff;
}

/* ── MOBILE RESPONSIVENESS ── */
@media (max-width: 768px) {
  .reading-split {
    flex-direction: column;
  }
  
  .reading-left, .reading-right {
    flex: none;
    height: auto;
    padding: 24px 16px;
  }
  
  .reading-left {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  
  .reading-passage {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .reading-q-card {
    padding: 20px 16px;
  }

  /* Touch-friendly option sizing */
  .reading-option {
    min-height: 48px;
    padding: 14px 16px;
    gap: 14px;
  }

  .reading-radio,
  .reading-checkbox {
    width: 24px;
    height: 24px;
  }

  /* Drag-and-drop note for mobile (drag doesn't work on touch) */
  .reading-drop-zone::after {
    content: " (tap word, then tap here)";
    font-size: 10px;
    color: var(--text3);
    font-weight: 400;
  }

  .reading-drop-zone:not(:empty)::after {
    content: none;
  }

  /* Drop zone sizing for mobile */
  .reading-drop-zone {
    min-width: 80px;
    min-height: 40px;
    padding: 4px 10px;
    font-size: 14px;
  }

  /* Draggable word items need touch-friendly sizing */
  [draggable="true"] {
    min-height: 44px;
    padding: 10px 16px !important;
    display: inline-flex;
    align-items: center;
  }

  .blank-dropdown {
    min-height: 44px;
    padding: 8px 14px;
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .reading-option {
    padding: 12px;
    font-size: 14px;
  }
  
  .reading-passage {
    font-size: 15px;
  }

  .reading-option {
    font-size: 14px;
    min-height: 48px;
    padding: 12px;
  }
}