/* BOOLEANS */
/* Container styled for a flat design layout matching a 16:9 responsive canvas aspect ratio */
.notebook-container {
  box-sizing: border-box;
  font-family: cursive, sans-serif;
  color: #ffffff;
  padding: 1.5rem;
  max-width: 1000px;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.5rem;
}

/* Fallback adjustments if container element container query / aspect-ratio isn't fully locked on older viewports */
@media (max-width: 768px) {
  .notebook-container {
    aspect-ratio: auto;
  }
}

/* Typography styles with absolute flat styling—no shadows or glows */
.notebook-title {
  color: var(--c-purple);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  text-align: center;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.notebook-subtitle {
  color: var(--c-cyan);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  text-align: center;
  margin: 0;
  line-height: 1.3;
}

.highlight-pink {
  color: var(--c-pink);
  font-weight: bold;
}

.highlight-gold {
  color: var(--c-gold);
  font-weight: bold;
}

/* Compact Scenario text layer */
.scenario-box {
  padding: 0.25rem 1rem;
  margin: 0;
}

.scenario-text {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  line-height: 1.4;
  margin: 0;
  color: #e0e0e3;
  text-align: center;
}

/* SVG Widescreen Layout Wrapper */
.svg-layout-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
  justify-content: center;
  align-items: center;
}

.logic-row-svg {
  width: 100%;
  max-width: 800px; /* Constraints bounds to perfectly align with content width center */
  height: auto;
  display: block;
  max-height: 100px;
}

/* Flat QA Layout Grid placed side by side tightly */
.explanation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 0.25rem;
}

@media (min-width: 600px) {
  .explanation-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.explanation-card {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.card-question {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  font-weight: bold;
  margin: 0;
}

.card-question.green-q { color: var(--c-green); }
.card-question.pink-q { color: var(--c-pink); }

.card-answer {
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  line-height: 1.3;
  margin: 0;
  color: #b5b7c0;
}

/* BEGIN VARIABLES HEADER */
.variables-diagram-container {
  width: 100%;                  /* Uniform container space scaling */
  max-width: 1100px;            /* Grid matched container floor sizing */
  margin: 0 auto;
  background: transparent;
  padding: 1.5rem;              /* Structured padding alignment */
  box-sizing: border-box;
  box-shadow: none;
}

.variables-diagram-container .diagram-header {
  text-align: center;
  margin-bottom: 1.5rem;
  font-family: cursive !important;
}

/* Globally Standardized Title Scale */
.variables-diagram-container .diagram-header h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 0.5rem 0;
  letter-spacing: 0.8px;
}

.variables-diagram-container .diagram-header h2 span {
  color: var(--c-gold);
}

/* Globally Standardized Definition Scale */
.variables-diagram-container .diagram-header .header-definition {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: rgba(255, 255, 255, 0.95);
  max-width: 950px;             /* Clean paragraph block read ceiling width */
  margin: 0 auto;
  line-height: 1.4;
}

.variables-diagram-container svg {
  width: 100%;
  height: auto;                 /* Responsive aspect-ratio guard */
  display: block;
  font-family: cursive !important;
}

/* Explicit fallback capture rule for internal structural fonts */
.variables-diagram-container svg text, 
.variables-diagram-container svg tspan {
  font-family: cursive !important;
}

/* LISTS */

.notebook-container-lists {
  width: 100%;
  max-width: 850px;
  margin: 0 auto;
  background: transparent;
  display: flex;
  flex-direction: column;
  font-family: cursive !important;
  color: #fff;
  padding: 15px;
  box-sizing: border-box;
}

.notebook-text {
  text-align: center;
  line-height: 1.4;
  margin: 0.5rem auto;
  max-width: 750px;
}

.intro-text {
  color: rgba(255, 255, 255, 0.95);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
}

.summary-text {
  color: var(--c-purple); /* Kept Purple */
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-top: 0.5rem;
}

.purple-hl { color: var(--c-purple); font-weight: bold; }
.cyan-hl { color: var(--c-cyan); font-weight: bold; }
.gold-hl { color: var(--c-gold); font-weight: bold; }
.pink-hl { color: var(--c-pink); font-weight: bold; }
.green-hl { color: var(--c-green); font-weight: bold; }

.notebook-container-lists svg {
  width: 100%;
  height: auto;
  display: block;
}