/* ==========================================================================
   Anannt Education - Digital SAT Module 2 Vocabulary & Words in Context
   Executive Art Direction & Design System
   Crafted to reflect an authoritative, premium academic atelier.
   ========================================================================== */

:root {
  /* --- Brand & Palette Hierarchy --- */
  --sat-slate-950: #090E1A;      /* Deepest midnight canvas */
  --sat-slate-900: #0F172A;      /* Primary authority dark / header background */
  --sat-slate-850: #162033;      /* Secondary dark surface */
  --sat-slate-800: #1E293B;      /* Dark card surfaces & borders */
  --sat-slate-700: #334155;      /* Subtitles & strong body copy */
  --sat-slate-600: #475569;      /* Standard readable body copy */
  --sat-slate-500: #64748B;      /* Secondary text & labels */
  --sat-slate-400: #94A3B8;      /* Tertiary captions & placeholders */
  --sat-slate-300: #CBD5E1;      /* Light border accents */
  --sat-slate-200: #E2E8F0;      /* Primary clean borders */
  --sat-slate-100: #F1F5F9;      /* Neutral surface tint */
  --sat-slate-50:  #F8FAFC;      /* Page background canvas */
  --sat-white:     #FFFFFF;      /* Pure white paper surface */

  /* --- Warm Editorial Accent (Amber / Ochre Gold) --- */
  --sat-amber-600: #D97706;      /* Primary warm action CTA */
  --sat-amber-700: #B45309;      /* Primary CTA hover */
  --sat-amber-500: #F59E0B;      /* Warm golden accent */
  --sat-amber-400: #FBBF24;      /* High-contrast dark badge text */
  --sat-amber-100: #FEF3C7;      /* Subtle highlighted blank background */
  --sat-amber-50:  #FFFBEB;      /* Very soft warm tint */

  /* --- Strategic Interactive Blue --- */
  --sat-blue-700:  #1D4ED8;      /* Deep interactive hover */
  --sat-blue-600:  #2563EB;      /* Interactive focus & secondary brand */
  --sat-blue-500:  #3B82F6;      /* Vibrant link / active indicator */
  --sat-blue-100:  #DBEAFE;      /* Selected item light border */
  --sat-blue-50:   #EFF6FF;      /* Selected option wash */

  /* --- Status Feedback --- */
  --sat-emerald-700: #047857;
  --sat-emerald-600: #059669;    /* Clean success green */
  --sat-emerald-100: #D1FAE5;
  --sat-emerald-50:  #F0FDF4;    /* Success card wash */

  --sat-rose-700:    #BE123C;
  --sat-rose-600:    #E11D48;    /* Clean error red */
  --sat-rose-100:    #FFE4E6;
  --sat-rose-50:     #FFF1F2;    /* Error card wash */

  /* --- Category Specific Theme Tags --- */
  --theme-truth-color:    #2563EB;
  --theme-truth-bg:       #EFF6FF;
  --theme-truth-border:   #BFDBFE;

  --theme-complex-color:  #7C3AED;
  --theme-complex-bg:     #F5F3FF;
  --theme-complex-border: #DDD6FE;

  --theme-change-color:   #0D9488;
  --theme-change-bg:      #F0FDFA;
  --theme-change-border:  #99F6E4;

  --theme-behavior-color: #BE185D;
  --theme-behavior-bg:    #FDF2F8;
  --theme-behavior-border:#FBCFE8;

  --theme-nuance-color:   #B45309;
  --theme-nuance-bg:      #FFFBEB;
  --theme-nuance-border:  #FDE68A;

  /* --- Radii & Shadows (Precise 8px rule as per DESIGN.md) --- */
  --sat-radius-xs: 3px;
  --sat-radius-sm: 6px;
  --sat-radius-md: 8px;          /* Maximum repeated card radius */
  --sat-radius-pill: 9999px;     /* Reserved strictly for pills & primary buttons */

  --sat-shadow-card: 0 1px 3px 0 rgba(15, 23, 42, 0.04), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --sat-shadow-hover: 0 10px 20px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.02);
  --sat-shadow-modal: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  --ease-spring: cubic-bezier(0.23, 1, 0.32, 1);

  /* --- Backward Compatibility Aliases --- */
  --sat-navy: var(--sat-slate-900);
  --sat-accent: var(--sat-amber-600);
  --sat-blue: var(--sat-blue-600);
  --sat-text: var(--sat-slate-900);
  --sat-text-secondary: var(--sat-slate-600);
  --sat-text-tertiary: var(--sat-slate-400);
  --sat-surface: var(--sat-white);
  --sat-surface-alt: var(--sat-slate-50);
  --sat-border: var(--sat-slate-200);
  --sat-border-light: var(--sat-slate-100);
}

/* Base resets & typography */
.sat-vocab-page {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: 0 !important;
  color: var(--sat-slate-900);
  background-color: var(--sat-slate-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.sat-vocab-page * {
  letter-spacing: 0 !important;
  box-sizing: border-box;
}

.sat-container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ==========================================================================
   HERO SECTION - High-End Editorial Presentation
   ========================================================================== */
.sat-hero {
  background: radial-gradient(120% 120% at 85% 15%, rgba(217, 119, 6, 0.12) 0%, transparent 45%),
              radial-gradient(100% 100% at 12% 85%, rgba(37, 99, 235, 0.14) 0%, transparent 55%),
              linear-gradient(165deg, var(--sat-slate-950) 0%, var(--sat-slate-900) 55%, var(--sat-slate-850) 100%);
  color: var(--sat-white);
  padding: 5rem 0 4.25rem;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid rgba(217, 119, 6, 0.35);
}

.sat-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--sat-amber-400);
  padding: 0.35rem 1.1rem;
  border-radius: var(--sat-radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sat-hero__title {
  font-size: clamp(2.15rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.16;
  margin-bottom: 1.35rem;
  max-width: 980px;
  color: #FFFFFF;
}

.sat-hero__title span.highlight {
  background: linear-gradient(135deg, #FDE68A 0%, #F59E0B 60%, #D97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.sat-hero__lead {
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  color: var(--sat-slate-300);
  max-width: 860px;
  margin-bottom: 2.25rem;
  line-height: 1.65;
}

/* Metric Display Strip */
.sat-hero__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
  max-width: 920px;
}

.sat-metric-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--sat-radius-md);
  padding: 1.15rem 1.25rem;
  transition: transform 0.2s var(--ease-spring), border-color 0.2s ease;
}

.sat-metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 158, 11, 0.4);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09) 0%, rgba(255, 255, 255, 0.03) 100%);
}

.sat-metric-val {
  font-size: 1.85rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  font-feature-settings: "tnum" 1;
}

.sat-metric-label {
  font-size: 0.8125rem;
  color: var(--sat-slate-400);
  font-weight: 500;
  margin-top: 0.35rem;
}

.sat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Professional Buttons - Rigorous Contrast & Hierarchy */
.sat-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.75rem 1.6rem;
  border-radius: var(--sat-radius-pill);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
  border: none;
  line-height: 1;
}

.sat-btn span,
.sat-btn i,
.sat-btn * {
  color: inherit !important;
}

.sat-btn-primary {
  background: var(--sat-amber-600);
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.32);
  border: 1.5px solid transparent;
}

.sat-btn-primary:hover {
  background: var(--sat-amber-500);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.45);
  color: #FFFFFF !important;
}

.sat-btn-secondary {
  background: rgba(255, 255, 255, 0.12) !important;
  color: #FFFFFF !important;
  border: 1.5px solid rgba(255, 255, 255, 0.38) !important;
  backdrop-filter: blur(8px);
}

.sat-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.24) !important;
  border-color: rgba(255, 255, 255, 0.65) !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

.sat-btn-whatsapp {
  background: #059669;
  color: #FFFFFF !important;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.25);
}

.sat-btn-whatsapp:hover {
  background: #047857;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(5, 150, 105, 0.4);
}

/* ==========================================================================
   STICKY SUBNAV - Clean Editorial Bar
   ========================================================================== */
.sat-subnav {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sat-slate-200);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.sat-subnav__list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.75rem 0;
  margin: 0;
  list-style: none;
  scrollbar-width: none;
}

.sat-subnav__list::-webkit-scrollbar {
  display: none;
}

.sat-subnav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--sat-radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sat-slate-600);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.sat-subnav__link:hover {
  color: var(--sat-slate-900);
  background-color: var(--sat-slate-100);
}

.sat-subnav__link.active {
  color: var(--sat-slate-900);
  background-color: var(--sat-blue-50);
  font-weight: 700;
}

/* ==========================================================================
   CONTENT SECTIONS & HIERARCHY
   ========================================================================== */
.sat-section {
  padding: 4.5rem 0;
  position: relative;
}

.sat-section--white {
  background-color: var(--sat-white);
}

.sat-section--alt {
  background-color: var(--sat-slate-50);
}

.sat-section-header {
  margin-bottom: 2.75rem;
}

.sat-section-tag {
  display: inline-block;
  color: var(--sat-amber-600);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.sat-section-title {
  font-size: clamp(1.85rem, 2.6vw, 2.45rem);
  font-weight: 800;
  color: var(--sat-slate-900);
  line-height: 1.22;
  margin-bottom: 0.875rem;
}

.sat-section-desc {
  font-size: 1.0625rem;
  color: var(--sat-slate-600);
  max-width: 820px;
  line-height: 1.65;
}

/* ==========================================================================
   PEDAGOGY GRID - Balanced Editorial Cards
   ========================================================================== */
.sat-pedagogy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.sat-pedagogy-card {
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  padding: 1.85rem;
  box-shadow: var(--sat-shadow-card);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-spring), border-color 0.2s ease;
  position: relative;
}

.sat-pedagogy-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sat-shadow-hover);
  border-color: var(--sat-slate-300);
}

.sat-card-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--sat-slate-900);
  color: var(--sat-white);
  font-weight: 800;
  font-size: 0.9375rem;
  border-radius: var(--sat-radius-md);
  margin-bottom: 1.25rem;
}

.sat-pedagogy-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--sat-slate-900);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.sat-pedagogy-card p {
  font-size: 0.9375rem;
  color: var(--sat-slate-600);
  line-height: 1.6;
  margin: 0;
}

/* Theme In-Depth Cards (Section 4) */
.sat-theme-card {
  border-top: 3px solid var(--sat-slate-300);
  position: relative;
  overflow: hidden;
}

.sat-theme-card--truth {
  border-top-color: var(--theme-truth-color);
}
.sat-theme-card--truth .sat-theme-card-pill {
  background: var(--theme-truth-bg);
  color: var(--theme-truth-color);
  border-color: var(--theme-truth-border);
}

.sat-theme-card--complex {
  border-top-color: var(--theme-complex-color);
}
.sat-theme-card--complex .sat-theme-card-pill {
  background: var(--theme-complex-bg);
  color: var(--theme-complex-color);
  border-color: var(--theme-complex-border);
}

.sat-theme-card--change {
  border-top-color: var(--theme-change-color);
}
.sat-theme-card--change .sat-theme-card-pill {
  background: var(--theme-change-bg);
  color: var(--theme-change-color);
  border-color: var(--theme-change-border);
}

.sat-theme-card--behavior {
  border-top-color: var(--theme-behavior-color);
}
.sat-theme-card--behavior .sat-theme-card-pill {
  background: var(--theme-behavior-bg);
  color: var(--theme-behavior-color);
  border-color: var(--theme-behavior-border);
}

.sat-theme-card--nuance {
  border-top-color: var(--theme-nuance-color);
}
.sat-theme-card--nuance .sat-theme-card-pill {
  background: var(--theme-nuance-bg);
  color: var(--theme-nuance-color);
  border-color: var(--theme-nuance-border);
}

.sat-theme-card-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.7rem;
  border-radius: var(--sat-radius-pill);
  border: 1px solid transparent;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

/* Editorial Callout */
.sat-callout {
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  border-left: 4px solid var(--sat-blue-600);
  border-radius: 0 var(--sat-radius-md) var(--sat-radius-md) 0;
  padding: 1.65rem 1.85rem;
  margin: 2.5rem 0 1rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  box-shadow: var(--sat-shadow-card);
}

.sat-callout-icon {
  font-size: 1.85rem;
  color: var(--sat-blue-600);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.sat-callout-content h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sat-slate-900);
}

.sat-callout-content p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--sat-slate-700);
  line-height: 1.65;
}

/* ==========================================================================
   BLUEBOOK PRACTICE QUIZ - Precision Examination Interface
   ========================================================================== */
.sat-quiz-shell {
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  box-shadow: 0 12px 30px -5px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  overflow: hidden;
  margin-top: 2rem;
}

.sat-quiz-topbar {
  background: var(--sat-slate-900);
  color: var(--sat-white);
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.sat-quiz-topbar__left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sat-quiz-pill {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 0.25rem 0.75rem;
  border-radius: var(--sat-radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.sat-quiz-tools {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sat-quiz-tool-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #FFFFFF !important;
  border-radius: var(--sat-radius-pill);
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.sat-quiz-tool-btn span,
.sat-quiz-tool-btn i,
.sat-quiz-tool-btn * {
  color: #FFFFFF !important;
}

.sat-quiz-tool-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF !important;
}

.sat-quiz-tool-btn.active {
  background: var(--sat-blue-600);
  border-color: var(--sat-blue-600);
  color: #FFFFFF !important;
}

.sat-quiz-timer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.35rem 0.85rem;
  border-radius: var(--sat-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #F8FAFC;
}

.sat-quiz-stage {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 500px;
}

@media (max-width: 900px) {
  .sat-quiz-stage {
    grid-template-columns: 1fr;
  }
}

.sat-quiz-passage-pane {
  padding: 2.5rem;
  background: var(--sat-white);
  border-right: 1px solid var(--sat-slate-200);
  overflow-y: auto;
}

.sat-quiz-passage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--sat-slate-200);
}

.sat-quiz-qnum {
  font-weight: 800;
  color: var(--sat-slate-900);
  font-size: 1.15rem;
}

.sat-quiz-domain {
  font-size: 0.8125rem;
  color: var(--sat-slate-500);
  font-weight: 600;
}

.sat-quiz-prompt {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--sat-slate-800);
  margin-bottom: 1.75rem;
}

.sat-quiz-prompt mark.blank {
  background-color: #EEF2F6;
  color: var(--sat-slate-900);
  padding: 0.18rem 0.85rem;
  border-radius: var(--sat-radius-xs);
  font-weight: 700;
  border: 1.5px solid #CBD5E1;
  border-bottom: 2px solid var(--sat-blue-600);
}

.sat-quiz-question-call {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sat-slate-900);
  padding: 0.85rem 1.1rem;
  background: var(--sat-slate-50);
  border-radius: var(--sat-radius-sm);
  border: 1px solid var(--sat-slate-200);
  border-left: 3px solid var(--sat-blue-600);
}

.sat-quiz-options-pane {
  padding: 2.5rem;
  background: #FAFAFC;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sat-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.sat-option-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.05rem 1.35rem;
  background: var(--sat-white);
  border: 1.5px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  text-align: left;
  width: 100%;
}

.sat-option-item:hover:not(:disabled) {
  border-color: var(--sat-blue-500);
  background: var(--sat-white);
  box-shadow: 0 3px 8px rgba(37, 99, 235, 0.08);
  transform: translateY(-1px);
}

.sat-option-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--sat-radius-pill);
  border: 1.5px solid var(--sat-slate-300);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--sat-slate-700);
  flex-shrink: 0;
  transition: all 0.15s ease;
  background: var(--sat-slate-50);
}

.sat-option-text {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--sat-slate-900);
  flex-grow: 1;
}

.sat-option-item.selected {
  border-color: var(--sat-blue-600);
  background-color: var(--sat-blue-50);
}

.sat-option-item.selected .sat-option-label {
  background: var(--sat-blue-600);
  color: #FFFFFF;
  border-color: var(--sat-blue-600);
}

.sat-option-item.eliminated {
  opacity: 0.4;
  text-decoration: line-through;
  background: var(--sat-slate-100);
}

.sat-option-item.correct {
  border-color: var(--sat-emerald-600) !important;
  background-color: var(--sat-emerald-50) !important;
}

.sat-option-item.correct .sat-option-label {
  background: var(--sat-emerald-600);
  color: #FFFFFF;
  border-color: var(--sat-emerald-600);
}

.sat-option-item.wrong {
  border-color: var(--sat-rose-600) !important;
  background-color: var(--sat-rose-50) !important;
}

.sat-option-item.wrong .sat-option-label {
  background: var(--sat-rose-600);
  color: #FFFFFF;
  border-color: var(--sat-rose-600);
}

/* Rationale box */
.sat-rationale-box {
  margin-top: 1.25rem;
  padding: 1.35rem;
  border-radius: var(--sat-radius-md);
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.sat-rationale-box.visible {
  display: block;
}

.sat-rationale-box h4 {
  margin: 0 0 0.65rem 0;
  font-size: 0.98rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sat-rationale-box.correct-feedback {
  border-color: var(--sat-emerald-600);
  background-color: var(--sat-emerald-50);
}

.sat-rationale-box.correct-feedback h4 {
  color: var(--sat-emerald-700);
}

.sat-rationale-box.wrong-feedback {
  border-color: var(--sat-rose-600);
  background-color: var(--sat-rose-50);
}

.sat-rationale-box.wrong-feedback h4 {
  color: var(--sat-rose-700);
}

.sat-rationale-text {
  font-size: 0.9rem;
  color: var(--sat-slate-800);
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.sat-trap-text {
  font-size: 0.84rem;
  color: var(--sat-slate-700);
  background: rgba(255, 255, 255, 0.8);
  padding: 0.85rem 1rem;
  border-radius: var(--sat-radius-sm);
  border: 1px solid rgba(0, 0, 0, 0.06);
  line-height: 1.55;
}

/* Quiz Controls */
.sat-quiz-footer {
  background: var(--sat-white);
  border-top: 1px solid var(--sat-slate-200);
  padding: 1.15rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.sat-quiz-nav-dots {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.sat-dot-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--sat-radius-xs);
  border: 1px solid var(--sat-slate-300);
  background: var(--sat-white);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sat-slate-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  padding: 0;
}

.sat-dot-btn:hover {
  border-color: var(--sat-slate-900);
  background: var(--sat-slate-50);
}

.sat-dot-btn.current {
  border-color: var(--sat-blue-600);
  background: var(--sat-blue-50);
  color: var(--sat-blue-700);
}

.sat-dot-btn.answered {
  background: var(--sat-slate-900);
  color: #FFFFFF;
  border-color: var(--sat-slate-900);
}

.sat-quiz-action-btns {
  display: flex;
  gap: 0.75rem;
}

.sat-btn-sm {
  min-height: 40px;
  padding: 0.45rem 1.15rem;
  font-size: 0.875rem;
  border-radius: var(--sat-radius-pill);
}

/* Score Screen */
.sat-score-screen {
  padding: 4rem 2rem;
  text-align: center;
  display: none;
}

.sat-score-screen.visible {
  display: block;
}

.sat-score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 104px;
  height: 104px;
  border-radius: var(--sat-radius-pill);
  background: linear-gradient(135deg, var(--sat-slate-900) 0%, var(--sat-slate-800) 100%);
  color: var(--sat-amber-400);
  font-size: 2.35rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
}

/* ==========================================================================
   VOCABULARY CONTROLS & FILTER SYSTEM
   ========================================================================== */
.sat-vocab-controls {
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  padding: 1.35rem;
  box-shadow: var(--sat-shadow-card);
  margin-bottom: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.sat-search-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.sat-search-input-wrap {
  flex: 1;
  min-width: 270px;
  position: relative;
}

.sat-search-input {
  width: 100%;
  height: 48px;
  padding: 0.5rem 1rem 0.5rem 2.85rem;
  border: 1.5px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-pill);
  font-size: 0.95rem;
  color: var(--sat-slate-900);
  outline: none;
  background: var(--sat-white);
  transition: all 0.2s ease;
}

.sat-search-input:focus {
  border-color: var(--sat-blue-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.sat-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sat-slate-400);
  pointer-events: none;
  font-size: 1.1rem;
}

.sat-view-toggles {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.sat-view-btn {
  height: 44px;
  padding: 0.5rem 1.1rem;
  border: 1.5px solid var(--sat-slate-200);
  background: var(--sat-white);
  border-radius: var(--sat-radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sat-slate-600) !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.15s ease;
}

.sat-view-btn span,
.sat-view-btn i,
.sat-view-btn * {
  color: inherit !important;
}

.sat-view-btn:hover {
  background: var(--sat-slate-50);
  color: var(--sat-slate-900) !important;
}

.sat-view-btn.active {
  background: var(--sat-slate-900) !important;
  color: #FFFFFF !important;
  border-color: var(--sat-slate-900) !important;
}

.sat-view-btn.active span,
.sat-view-btn.active i,
.sat-view-btn.active * {
  color: #FFFFFF !important;
}

/* Theme Filter Tabs - Zero Ugly Scrollbar */
.sat-theme-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 4px 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.sat-theme-tabs::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.sat-theme-tab {
  padding: 0.5rem 1.1rem;
  border-radius: var(--sat-radius-pill);
  background: var(--sat-slate-100);
  border: 1px solid var(--sat-slate-200);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sat-slate-700) !important;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.sat-theme-tab:hover {
  background: var(--sat-slate-200);
  color: var(--sat-slate-900) !important;
}

.sat-theme-tab.active {
  background: var(--sat-slate-900) !important;
  color: #FFFFFF !important;
  border-color: var(--sat-slate-900) !important;
}

/* ==========================================================================
   VOCABULARY CARDS - Seasoned Graphic Design Details
   ========================================================================== */
.sat-vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .sat-vocab-grid {
    grid-template-columns: 1fr;
  }
}

.sat-vocab-card {
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  padding: 1.65rem;
  box-shadow: var(--sat-shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-spring), border-color 0.2s ease;
  position: relative;
  border-top: 3px solid var(--sat-slate-300);
}

/* Thematic Top Border Accents */
.sat-vocab-card[data-theme="Truth, Evidence, and Argument"] { border-top-color: var(--theme-truth-color); }
.sat-vocab-card[data-theme="Complexity, Obscurity, and Knowledge"] { border-top-color: var(--theme-complex-color); }
.sat-vocab-card[data-theme="Change, Time, and Extent"] { border-top-color: var(--theme-change-color); }
.sat-vocab-card[data-theme="Emotions, Attitude, and Social Behavior"] { border-top-color: var(--theme-behavior-color); }
.sat-vocab-card[data-theme="Nuance, Judgment, and Style"] { border-top-color: var(--theme-nuance-color); }

.sat-vocab-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sat-shadow-hover);
  border-color: var(--sat-slate-300);
}

.sat-vocab-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.sat-vocab-word {
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--sat-slate-900);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.sat-vocab-num {
  font-size: 0.8125rem;
  color: var(--sat-slate-400);
  font-weight: 600;
}

.sat-vocab-theme-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--sat-radius-pill);
  background: var(--sat-slate-100);
  color: var(--sat-slate-700);
  border: 1px solid var(--sat-slate-200);
}

/* Category themed badge washes */
.sat-vocab-card[data-theme="Truth, Evidence, and Argument"] .sat-vocab-theme-badge { background: var(--theme-truth-bg); color: var(--theme-truth-color); border-color: var(--theme-truth-border); }
.sat-vocab-card[data-theme="Complexity, Obscurity, and Knowledge"] .sat-vocab-theme-badge { background: var(--theme-complex-bg); color: var(--theme-complex-color); border-color: var(--theme-complex-border); }
.sat-vocab-card[data-theme="Change, Time, and Extent"] .sat-vocab-theme-badge { background: var(--theme-change-bg); color: var(--theme-change-color); border-color: var(--theme-change-border); }
.sat-vocab-card[data-theme="Emotions, Attitude, and Social Behavior"] .sat-vocab-theme-badge { background: var(--theme-behavior-bg); color: var(--theme-behavior-color); border-color: var(--theme-behavior-border); }
.sat-vocab-card[data-theme="Nuance, Judgment, and Style"] .sat-vocab-theme-badge { background: var(--theme-nuance-bg); color: var(--theme-nuance-color); border-color: var(--theme-nuance-border); }

.sat-vocab-root {
  font-size: 0.8125rem;
  font-family: 'JetBrains Mono', monospace;
  color: #0369A1;
  background: #F0F9FF;
  border: 1px solid #BAE6FD;
  padding: 0.2rem 0.55rem;
  border-radius: var(--sat-radius-sm);
  display: inline-block;
  margin-bottom: 0.95rem;
  align-self: flex-start;
}

.sat-vocab-meaning {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--sat-slate-800);
  margin-bottom: 1.15rem;
  line-height: 1.55;
}

.sat-vocab-usage {
  font-size: 0.88rem;
  color: var(--sat-slate-700);
  background: var(--sat-slate-50);
  border-left: 3px solid var(--sat-amber-600);
  padding: 0.75rem 0.95rem;
  border-radius: 0 var(--sat-radius-sm) var(--sat-radius-sm) 0;
  margin-bottom: 1.15rem;
  font-style: italic;
  line-height: 1.55;
}

.sat-vocab-citations {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--sat-slate-200);
}

.sat-cite-toggle {
  background: none;
  border: none;
  color: var(--sat-blue-600);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.15s ease;
}

.sat-cite-toggle:hover {
  color: var(--sat-blue-700);
}

.sat-cite-content {
  margin-top: 0.85rem;
  font-size: 0.8125rem;
  color: var(--sat-slate-600);
  display: none;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--sat-slate-50);
  padding: 0.85rem 1rem;
  border-radius: var(--sat-radius-sm);
  border: 1px solid var(--sat-slate-200);
}

.sat-cite-content.visible {
  display: flex;
}

.sat-cite-item strong {
  color: var(--sat-slate-900);
}

/* ==========================================================================
   TABLE VIEW - Crisp Academic Layout
   ========================================================================== */
.sat-table-wrap {
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  overflow-x: auto;
  box-shadow: var(--sat-shadow-card);
}

.sat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.sat-table th {
  background: var(--sat-slate-900);
  color: #FFFFFF;
  padding: 0.95rem 1.15rem;
  font-weight: 700;
  white-space: nowrap;
}

.sat-table td {
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid var(--sat-slate-200);
  vertical-align: top;
  color: var(--sat-slate-800);
}

.sat-table tr:hover td {
  background: var(--sat-slate-50);
}

/* ==========================================================================
   FLASHCARD DECK - Tactile Studio Treatment
   ========================================================================== */
.sat-flashcard-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 2.25rem 0;
}

.sat-flashcard {
  width: 100%;
  max-width: 620px;
  min-height: 350px;
  perspective: 1000px;
  cursor: pointer;
}

.sat-flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 350px;
  text-align: center;
  transition: transform 0.4s var(--ease-spring);
  transform-style: preserve-3d;
  box-shadow: 0 16px 32px -4px rgba(15, 23, 42, 0.1), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
  border-radius: var(--sat-radius-md);
}

.sat-flashcard.flipped .sat-flashcard-inner {
  transform: rotateY(180deg);
}

.sat-flashcard-front,
.sat-flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--sat-radius-md);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1.5px solid var(--sat-slate-200);
}

.sat-flashcard-front {
  background: radial-gradient(circle at 50% 20%, #FFFFFF 0%, #F8FAFC 100%);
}

.sat-flashcard-back {
  background: var(--sat-white);
  transform: rotateY(180deg);
  border-color: var(--sat-blue-500);
  text-align: left;
  align-items: flex-start;
}

.sat-flashcard-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.sat-faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  max-width: 900px;
  margin: 0 auto;
}

.sat-faq-item {
  background: var(--sat-white);
  border: 1px solid var(--sat-slate-200);
  border-radius: var(--sat-radius-md);
  overflow: hidden;
  box-shadow: var(--sat-shadow-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sat-faq-item:hover {
  border-color: var(--sat-slate-300);
}

.sat-faq-item[open] {
  border-color: var(--sat-blue-600);
  box-shadow: var(--sat-shadow-hover);
}

.sat-faq-summary {
  padding: 1.35rem 1.65rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sat-slate-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.sat-faq-summary::-webkit-details-marker {
  display: none;
}

.sat-faq-summary::after {
  content: "+";
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--sat-amber-600);
  transition: transform 0.2s ease;
}

.sat-faq-item[open] .sat-faq-summary::after {
  content: "−";
  transform: rotate(180deg);
}

.sat-faq-body {
  padding: 0 1.65rem 1.65rem;
  color: var(--sat-slate-600);
  line-height: 1.7;
  font-size: 0.96rem;
}

/* ==========================================================================
   CONSULTATION CARD & LEAD CAPTURE - Atelier Executive Visual
   ========================================================================== */
.sat-consultation-card {
  background: radial-gradient(100% 120% at 90% 10%, rgba(217, 119, 6, 0.16) 0%, transparent 60%),
              radial-gradient(100% 120% at 10% 90%, rgba(37, 99, 235, 0.16) 0%, transparent 60%),
              linear-gradient(160deg, #090E1A 0%, #0F172A 55%, #162033 100%);
  border-radius: 12px;
  padding: 3.5rem 2rem;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 2px solid var(--sat-amber-500);
  box-shadow: var(--sat-shadow-modal);
  position: relative;
  overflow: hidden;
}

.sat-consultation-badge {
  color: var(--sat-amber-400);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 0.3rem 0.95rem;
  border-radius: var(--sat-radius-pill);
  margin-bottom: 1.25rem;
}

.sat-consultation-title {
  font-size: clamp(1.85rem, 2.8vw, 2.65rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.sat-consultation-lead {
  color: var(--sat-slate-300);
  font-size: 1.08rem;
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 760px;
  margin-inline: auto;
}

.sat-consultation-form {
  max-width: 580px;
  margin: 0 auto;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 2rem;
  border-radius: var(--sat-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-align: left;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.sat-form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sat-slate-300);
  margin-bottom: 0.4rem;
}

.sat-form-input,
.sat-form-select {
  width: 100%;
  height: 44px;
  border-radius: var(--sat-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.35);
  color: #FFFFFF;
  padding: 0 0.85rem;
  font-size: 0.9rem;
  transition: all 0.15s ease;
  outline: none;
}

.sat-form-input:focus,
.sat-form-select:focus {
  border-color: var(--sat-amber-400);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.sat-form-select option {
  background: #0F172A;
  color: #FFFFFF;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .sat-hero {
    padding: 3.5rem 0 2.75rem;
  }
  .sat-section {
    padding: 3rem 0;
  }
  .sat-quiz-passage-pane,
  .sat-quiz-options-pane {
    padding: 1.35rem;
  }
}


/* Sitewide Footer Strip Contrast Fix */
#sitewide-footer-links {
  background: #090E1A !important;
  border-top: 1px solid rgba(255, 255, 255, 0.12) !important;
}

#sitewide-footer-links strong {
  color: #FFFFFF !important;
  font-weight: 700 !important;
}

#sitewide-footer-links p {
  color: #94A3B8 !important;
}

#sitewide-footer-links a {
  color: #CBD5E1 !important;
  text-decoration: none;
  transition: color 0.15s ease;
}

#sitewide-footer-links a:hover {
  color: #F59E0B !important;
  text-decoration: underline;
}

.sat-consultation-card .sat-btn-secondary {
  background: rgba(255, 255, 255, 0.12) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.4) !important;
  color: #FFFFFF !important;
}

.sat-consultation-card .sat-btn-secondary span,
.sat-consultation-card .sat-btn-secondary i,
.sat-consultation-card .sat-btn-secondary * {
  color: #FFFFFF !important;
}

.sat-consultation-card .sat-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.24) !important;
  border-color: rgba(255, 255, 255, 0.65) !important;
  color: #FFFFFF !important;
}