/* ==========================================================================
   Sarah's ACT Study App - Feminine & iPhone-First Stylesheet
   ========================================================================== */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  
  /* Feminine Palette */
  --bg-app: #FFF7F9;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #FFF0F4;
  --bg-lavender: #F7F3FF;
  
  --primary-pink: #EC4899;
  --primary-pink-hover: #DB2777;
  --primary-soft: #FCE7F3;
  --primary-glow: rgba(236, 72, 153, 0.25);
  
  --lavender: #9333EA;
  --lavender-soft: #F3E8FF;
  --lavender-glow: rgba(147, 51, 234, 0.2);

  --champagne-gold: #F59E0B;
  --gold-soft: #FEF3C7;
  
  --mint-success: #10B981;
  --mint-soft: #D1FAE5;
  
  --coral-error: #F43F5E;
  --coral-soft: #FFE4E6;

  --text-title: #2E103E;
  --text-body: #4A2859;
  --text-muted: #765D80;
  --text-light: #BCA9C4;
  
  --border-light: #F3E8EE;
  --border-focus: #F472B6;
  
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(236, 72, 153, 0.06);
  --shadow-md: 0 6px 20px rgba(236, 72, 153, 0.1), 0 2px 6px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 12px 32px rgba(236, 72, 153, 0.16), 0 4px 12px rgba(0, 0, 0, 0.04);

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --question-scale: 1;
}

html[data-question-size="large"] { --question-scale: 1.3; }
html[data-question-size="xlarge"] { --question-scale: 1.5; }

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

button, .topic-chip { user-select: none; }
.passage-container, .prompt-text, .exp-body { user-select: text; }

.passage-container { font-size: calc(13px * var(--question-scale)) !important; }
.prompt-text { font-size: calc(16px * var(--question-scale)) !important; }
.option-content { font-size: calc(14px * var(--question-scale)) !important; }
.exp-body { font-size: calc(13px * var(--question-scale)) !important; }

.profile-settings-card,
.danger-zone-card {
  margin-top: 14px;
  padding: 15px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1.5px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.settings-copy, .danger-zone-card > div { display: grid; gap: 3px; text-align: left; }
.settings-copy strong, .danger-zone-card strong { color: var(--text-title); font-size: 14px; }
.settings-copy span, .danger-zone-card span { color: var(--text-muted); font-size: 11.5px; line-height: 1.35; }

.text-size-picker {
  display: inline-flex;
  padding: 3px;
  border-radius: 12px;
  background: var(--lavender-soft);
  flex-shrink: 0;
}

.text-size-picker button {
  min-width: 38px;
  min-height: 38px;
  padding: 0 7px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #6B21A8;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.text-size-picker button.active {
  color: #fff;
  background: linear-gradient(135deg, #EC4899, #A855F7);
  box-shadow: 0 3px 9px rgba(168, 85, 247, .24);
}

.danger-zone-card { border-color: #FECDD3; background: #FFF8F9; }
.danger-zone-card strong { color: #9F1239; }
.btn-reset-progress, .btn-danger {
  border: 1.5px solid #FDA4AF;
  border-radius: 12px;
  background: #FFF1F2;
  color: #BE123C;
  min-height: 42px;
  padding: 9px 13px;
  font-weight: 800;
  cursor: pointer;
}
.btn-danger { background: #E11D48; color: white; border-color: #E11D48; }
.btn-danger:disabled { opacity: .42; cursor: not-allowed; }
.reset-modal-card { max-width: 390px; }
.reset-modal-card h3 { color: #881337; font-size: 19px; margin-bottom: 8px; text-align: center; }
.reset-modal-card p { color: var(--text-body); font-size: 13px; line-height: 1.5; margin-bottom: 15px; }
.reset-warning-icon { width: 42px; height: 42px; margin: 0 auto 8px; display: grid; place-items: center; border-radius: 50%; background: #FFE4E6; color: #BE123C; font-size: 24px; font-weight: 900; }
.reset-modal-actions { display: flex; gap: 9px; margin-top: 15px; }
.reset-modal-actions > * { flex: 1; }

html {
  height: -webkit-fill-available;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-body);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Mobile Frame wrapper: perfectly mimics iPhone screen while centering gracefully on desktop */
#app-container {
  width: 100%;
  max-width: 440px;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--bg-app);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0 50px rgba(236, 72, 153, 0.08);
}

/* Top Navigation Bar */
header.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 247, 249, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: calc(var(--safe-top) + 12px) 16px 12px 16px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F472B6, #C084FC);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-sm);
  border: 2px solid #FFFFFF;
}

.brand-info h1 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: -0.3px;
}

.brand-info .level-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--lavender);
  background: var(--lavender-soft);
  padding: 1px 7px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.header-stats {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-pill {
  background: var(--bg-card);
  padding: 6px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-title);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.stat-pill.aura {
  color: var(--lavender);
}

.stat-pill.aura.btn-vault-trigger {
  cursor: pointer;
  border: 1.5px solid #FBCFE8;
  background: linear-gradient(135deg, #FFF1F2, #FDF2F8);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 5px 10px;
}

.stat-pill.aura.btn-vault-trigger:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.15);
}

.vault-cash-badge {
  font-size: 11.5px;
  font-weight: 800;
  color: #047857;
  background: #D1FAE5;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  margin-left: 4px;
}

/* Main Content Area */
main.app-content {
  flex: 1;
  padding: 16px 16px calc(var(--safe-bottom) + 112px) 16px;
  overflow: visible;
  -webkit-overflow-scrolling: touch;
}

/* When in active test mode: hide regular header & bottom nav to maximize vertical reading area */
#app-container.test-mode-active header.app-header {
  display: none !important;
}

#app-container.test-mode-active nav.app-navbar {
  display: none !important;
}

#app-container.test-mode-active main.app-content {
  padding-top: 10px;
  padding-bottom: calc(var(--safe-bottom) + 80px);
}

/* Sticky Test Progress Header (Replaces regular header during test) */
.test-sticky-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 247, 249, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: calc(var(--safe-top) + 10px) 16px 10px 16px;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.08);
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.test-header-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.test-header-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.test-nav-center {
  display: flex;
  align-items: center;
  gap: 6px;
}

.test-nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.test-nav-btn {
  background: #FFFFFF;
  border: 1.5px solid var(--border-light);
  color: var(--text-title);
  padding: 6px 11px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.test-nav-btn:active:not(:disabled) {
  transform: scale(0.95);
  background: var(--bg-card-subtle);
}

.test-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.test-nav-btn.finish {
  background: #FFF1F2;
  border-color: #FECDD3;
  color: #E11D48;
}

.test-nav-btn.finish:active {
  background: #FEE2E2;
}

.test-pill {
  font-size: 12.5px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--shadow-sm);
}

.test-pill.progress {
  background: var(--primary-soft);
  color: var(--primary-pink);
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.test-pill.timer {
  background: var(--lavender-soft);
  color: var(--lavender);
  border: 1px solid rgba(147, 51, 234, 0.2);
}

.test-progress-track {
  width: 100%;
  height: 8px;
  background: #FCE7F3;
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.test-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #EC4899, #A855F7);
  border-radius: var(--radius-full);
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tab Views */
.tab-view {
  display: none;
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Bottom Tab Bar (Native iOS Feel) */
nav.app-navbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  min-height: calc(70px + var(--safe-bottom));
  padding: 10px 12px calc(var(--safe-bottom) + 7px) 12px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: start;
  z-index: 1000;
  isolation: isolate;
  box-shadow: 0 -8px 28px rgba(80, 35, 90, 0.08);
}

nav.app-navbar::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 50%;
  top: -1px;
  width: 86px;
  height: 42px;
  transform: translateX(-50%);
  border-radius: 0 0 46px 46px;
  background: var(--bg-app);
  box-shadow: inset 0 -1px 0 var(--border-light);
}

.nav-item {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  min-width: 52px;
  min-height: 44px;
  padding: 4px 7px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  position: relative;
  z-index: 1;
  justify-self: center;
}

.nav-item .nav-icon {
  width: 28px;
  height: 28px;
  line-height: 0;
  transition: transform 0.2s ease;
}

.nav-item .nav-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-item.active {
  color: var(--primary-pink);
  font-weight: 800;
}

.nav-item.active .nav-icon {
  transform: scale(1.18);
}

.nav-item:active {
  transform: scale(0.92);
}

/* Center Elevated Hero Button: Quick Practice */
.nav-item.nav-item-hero {
  position: relative;
  z-index: 2;
  top: -25px;
  background: linear-gradient(135deg, #F43F5E, #EC4899);
  color: #FFFFFF !important;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(236, 72, 153, 0.45), 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 4px solid #FFFFFF;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  justify-self: center;
}

.nav-item.nav-item-hero .nav-icon {
  width: 31px;
  height: 31px;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

.nav-item.nav-item-hero .nav-icon svg {
  fill: currentColor;
  stroke: none;
}

.nav-item[data-tab="test"].active { color: #EC4899; }
.nav-item[data-tab="analytics"].active { color: #8B5CF6; }
.nav-item[data-tab="history"].active { color: #C026D3; }
.nav-item[data-tab="profile"].active { color: #DB2777; }

.nav-icon-crown {
  width: 30px !important;
  height: 30px !important;
}

.nav-item.nav-item-hero .nav-label {
  position: absolute;
  top: 62px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: #FFFFFF;
  margin-top: 1px;
}

.nav-item:focus-visible,
.option-btn:focus-visible,
.topic-chip:focus-visible,
.cat-card:focus-visible,
button:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 3px;
}

.diagnostic-mode-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: var(--radius-full);
  background: var(--lavender-soft);
  color: #6B21A8;
  font-size: 11px;
  font-weight: 800;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.nav-item.nav-item-hero:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 12px 26px rgba(236, 72, 153, 0.55);
}

.nav-item.nav-item-hero.active {
  background: linear-gradient(135deg, #E11D48, #BE185D);
  border-color: #FDF2F8;
  box-shadow: 0 10px 24px rgba(225, 29, 72, 0.55);
  transform: scale(1.08);
}

.nav-item.nav-item-hero:active {
  transform: scale(0.92);
}

/* Common UI Components */
.section-header {
  margin-bottom: 14px;
}

.section-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-title);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Topic Selector Carousel */
.topic-carousel {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 14px 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.topic-carousel::-webkit-scrollbar {
  display: none;
}

.topic-chip {
  flex-shrink: 0;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.topic-chip.active {
  background: linear-gradient(135deg, #EC4899, #F43F5E);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.topic-chip:active {
  transform: scale(0.95);
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.cat-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.cat-card.active {
  border-color: var(--primary-pink);
  background: var(--bg-card-subtle);
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.15);
  transform: translateY(-2px);
}

.cat-card.active::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #EC4899, #F43F5E);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(236, 72, 153, 0.4);
}

/* Big Test Mode Launcher Card */
.test-launcher-card {
  background: linear-gradient(135deg, #FFF0F5, #F5E8FF);
  border: 2px solid #FBCFE8;
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.12);
  position: relative;
  overflow: hidden;
}

.launcher-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.launcher-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-title);
}

.launcher-subtitle {
  font-size: 12px;
  font-weight: 600;
  color: var(--lavender);
  margin-top: 2px;
}

/* Instant Feedback Toggle */
.instant-feedback-toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.instant-feedback-toggle input {
  display: none;
}

.toggle-pill {
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid #FBCFE8;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.toggle-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #CBD5E1;
  transition: all 0.2s ease;
}

.instant-feedback-toggle input:checked + .toggle-pill {
  background: #FDF2F8;
  border-color: var(--primary-pink);
  color: var(--primary-pink);
}

.instant-feedback-toggle input:checked + .toggle-pill .toggle-dot {
  background: var(--primary-pink);
  box-shadow: 0 0 6px var(--primary-pink);
}

/* 3 Start Test Buttons (10, 25, 50 questions) */
.start-buttons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 6px;
}

.btn-start-test-size {
  background: #FFFFFF;
  border: 1.5px solid #FBCFE8;
  border-radius: var(--radius-md);
  padding: 12px 6px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-start-test-size:hover {
  border-color: var(--primary-pink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-start-test-size:active {
  transform: scale(0.96);
}

.btn-start-test-size.featured {
  background: linear-gradient(135deg, #EC4899, #F43F5E);
  border-color: transparent;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
}

.btn-start-test-size .start-btn-icon {
  font-size: 20px;
}

.btn-start-test-size .start-btn-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: -0.2px;
}

.btn-start-test-size.featured .start-btn-label {
  color: #FFFFFF;
}

.btn-start-test-size .start-btn-sub {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
}

.btn-start-test-size.featured .start-btn-sub {
  color: rgba(255, 255, 255, 0.9);
}

.cat-card .cat-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 10px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.cat-card .cat-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cat-icon-english { color: #DB2777; background: #FCE7F3; }
.cat-icon-math { color: #7C3AED; background: #EDE9FE; }
.cat-icon-reading { color: #C026D3; background: #FAE8FF; }
.cat-icon-science { color: #0F766E; background: #CCFBF1; }

.cat-card.active .cat-icon {
  transform: scale(1.06) rotate(-2deg);
  box-shadow: 0 5px 13px rgba(126, 34, 206, .16);
}

.analytics-cat-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.analytics-cat-icon {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 9px;
  flex: 0 0 auto;
}

.analytics-cat-icon svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cat-card .cat-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-title);
}

.cat-card .cat-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  line-height: 1.3;
}

/* Question Interactive Card */
.question-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  border: 1.5px solid var(--border-light);
  box-shadow: var(--shadow-md);
  margin-bottom: 16px;
  position: relative;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 6px;
}

.badge-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.badge-tag.category {
  background: var(--primary-soft);
  color: var(--primary-pink);
}

.badge-tag.topic {
  background: var(--lavender-soft);
  color: var(--lavender);
}

.badge-tag.skill {
  background: #FEF3C7;
  color: #B45309;
}

/* Reading Passage Stimulus */
.passage-container {
  background: #FFFDF9;
  border-left: 3.5px solid var(--primary-pink);
  border-radius: 4px var(--radius-sm) var(--radius-sm) 4px;
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-title);
  white-space: pre-line;
  max-height: 220px;
  overflow-y: auto;
}

.prompt-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.45;
  margin-bottom: 18px;
  user-select: text;
}

/* Answer Choices */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 12px;
}

#test-question-card-container {
  padding-bottom: 36px;
}

#practice-card-container {
  padding-bottom: 24px;
}

.option-btn {
  background: #FFFFFF;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: left;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1.4;
  user-select: text;
}

.option-letter {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-app);
  border: 1.5px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-title);
}

.option-btn:hover:not(:disabled) {
  border-color: var(--primary-pink);
  background: var(--bg-card-subtle);
}

.option-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.option-btn.selected {
  background: var(--primary-soft) !important;
  border-color: var(--primary-pink) !important;
  color: var(--primary-pink) !important;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.25) !important;
  transform: translateY(-1px);
}

.option-btn.selected .option-letter {
  background: linear-gradient(135deg, #EC4899, #F43F5E);
  color: #FFFFFF;
  border-color: transparent;
}

.option-btn.correct {
  background: var(--mint-soft) !important;
  border-color: var(--mint-success) !important;
  color: #065F46 !important;
}

.option-btn.correct .option-letter {
  background: var(--mint-success);
  color: #FFFFFF;
  border-color: var(--mint-success);
}

.option-btn.incorrect {
  background: var(--coral-soft) !important;
  border-color: var(--coral-error) !important;
  color: #9F1239 !important;
}

.option-btn.incorrect .option-letter {
  background: var(--coral-error);
  color: #FFFFFF;
  border-color: var(--coral-error);
}

/* Explanation Box ("Why You Got Clocked" or "Slay Queen") */
.explanation-box {
  margin-top: 18px;
  padding: 16px;
  border-radius: var(--radius-md);
  animation: fadeIn 0.3s ease;
  user-select: text;
}

.explanation-box.correct {
  background: #ECFDF5;
  border: 1.5px solid #A7F3D0;
}

.explanation-box.incorrect {
  background: #FFF1F2;
  border: 1.5px solid #FECDD3;
}

.exp-header {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.exp-header.correct {
  color: #047857;
}

.exp-header.incorrect {
  color: #BE123C;
}

.exp-body {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-body);
}

.btn-reveal-clocked {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #FFF1F2;
  color: #BE123C;
  border: 1.5px solid #FECDD3;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  margin: 10px auto 4px auto;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(190, 18, 60, 0.08);
}

.btn-reveal-clocked:hover {
  background: #FFE4E6;
  border-color: var(--coral-error);
  transform: translateY(-1px);
}

/* Anti-Abuse Reading Timer Lock */
.read-timer-banner {
  background: #FFF7ED;
  border: 1.5px solid #FFEDD5;
  color: #C2410C;
  font-size: 11.5px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.3s ease;
}

.read-timer-banner.unlocked {
  background: #ECFDF5;
  border-color: #A7F3D0;
  color: #047857;
}

.read-timer-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #F97316;
  animation: pulse 1s infinite;
}

.read-timer-banner.unlocked .read-timer-dot {
  background: #10B981;
  animation: none;
}

.option-btn.reading-lock {
  opacity: 0.65;
  cursor: not-allowed;
  filter: grayscale(0.15);
  pointer-events: none;
}

/* Sarah's Shopping Vault Modal */
.vault-balance-card {
  background: linear-gradient(135deg, #FFF1F2, #FCE7F3);
  border: 2px solid #FBCFE8;
  border-radius: var(--radius-lg);
  padding: 16px 14px;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.08);
}

.vault-balance-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #9D174D;
  margin-bottom: 2px;
}

.vault-balance-amount {
  font-size: 38px;
  font-weight: 900;
  color: #047857;
  letter-spacing: -1px;
}

.vault-balance-rate {
  font-size: 11.5px;
  font-weight: 700;
  color: #831843;
  margin-top: 2px;
}

.vault-progress-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 12px;
}

.vault-progress-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.vault-track {
  width: 100%;
  height: 10px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.vault-fill {
  height: 100%;
  background: linear-gradient(90deg, #10B981, #059669);
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.vault-accuracy-note {
  font-size: 11px;
  font-weight: 700;
  margin-top: 8px;
  text-align: left;
}

.vault-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.vault-stat-item {
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 8px 6px;
  text-align: center;
}

.vault-stat-num {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-title);
}

.vault-stat-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.vault-encouragement-card {
  background: #FFF1F2;
  border: 1px dashed #FDA4AF;
  border-radius: var(--radius-md);
  padding: 10px 12px;
  text-align: center;
}

/* Action Bar */
.action-bar {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.btn-primary {
  flex: 1;
  background: linear-gradient(135deg, #EC4899, #F43F5E);
  color: #FFFFFF;
  border: none;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-title);
  border: 1.5px solid var(--border-light);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-secondary:active {
  transform: scale(0.97);
}

/* Test Mode Header & Live Controls */
.test-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}

.test-progress-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-title);
}

.btn-end-test {
  background: #FFF1F2;
  color: #E11D48;
  border: 1.5px solid #FECDD3;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.btn-end-test:active {
  background: #FEE2E2;
  transform: scale(0.95);
}

/* Score Diagnostic Report Card */
.score-report-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  text-align: center;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.score-report-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, #EC4899, #A855F7, #F59E0B);
}

.score-big-circle {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFF0F5, #F5E8FF);
  border: 4px solid #F472B6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 14px auto 16px auto;
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.15);
  padding: 8px;
}

.score-number {
  font-size: 46px;
  font-weight: 900;
  color: var(--primary-pink);
  line-height: 1;
}

.score-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: #8B5CF6;
  letter-spacing: 0.8px;
  margin-top: 4px;
  white-space: nowrap;
}

.score-actions-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 10px;
  margin-top: 16px;
  width: 100%;
}

.btn-score-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 8px;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: var(--radius-md);
  white-space: nowrap;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

#btn-view-test-history.btn-score-action {
  border: 1.5px solid #FBCFE8;
  background: #FFFFFF;
  color: var(--primary-pink);
}

#btn-view-test-history.btn-score-action:hover {
  background: #FFF1F2;
  border-color: #F472B6;
}

.score-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 4px;
}

.score-summary-text {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.subscores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}

.subscore-box {
  background: var(--bg-app);
  border-radius: var(--radius-sm);
  padding: 8px 4px;
  border: 1px solid var(--border-light);
}

.subscore-val {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-title);
}

.subscore-name {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Analytics & Study Villa Styles */
.analytics-metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}

.metric-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-title);
}

.metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 2px;
}

.bar-container {
  background: var(--bg-app);
  border-radius: var(--radius-full);
  height: 8px;
  width: 100%;
  margin-top: 8px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #EC4899, #A855F7);
  transition: width 0.6s ease;
}

/* Badges Showcase */
.badges-shelf {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.badge-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 8px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform 0.2s ease;
}

.badge-card.locked {
  filter: grayscale(1);
  opacity: 0.5;
}

.badge-card.unlocked {
  border-color: #FBCFE8;
  background: #FFFDFE;
  box-shadow: var(--shadow-md);
}

.badge-card .b-icon {
  font-size: 28px;
  margin-bottom: 4px;
}

.badge-card .b-title {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.2;
}

.badge-card .b-desc {
  font-size: 9.5px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.25;
}

/* AI Studio Tab */
.ai-form-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  border: 1.5px solid var(--border-light);
  box-shadow: var(--shadow-md);
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-title);
  display: block;
  margin-bottom: 6px;
}

.form-input, .form-select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background: var(--bg-app);
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-title);
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary-pink);
  background: #FFFFFF;
}

.ai-chip-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.suggest-chip {
  background: var(--lavender-soft);
  color: var(--lavender);
  border: none;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.suggest-chip:active {
  transform: scale(0.95);
  background: var(--primary-soft);
  color: var(--primary-pink);
}

/* Question Review List */
.review-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 14px;
  border: 1.5px solid var(--border-light);
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
  user-select: text;
}

.review-item.correct-item {
  border-left: 4px solid var(--mint-success);
}

.review-item.incorrect-item {
  border-left: 4px solid var(--coral-error);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.review-prompt {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.4;
  margin-bottom: 6px;
}

.review-ans-row {
  font-size: 12.5px;
  margin-top: 4px;
  color: var(--text-body);
}

.review-exp {
  font-size: 12px;
  line-height: 1.45;
  background: var(--bg-app);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  color: var(--text-body);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(46, 16, 62, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-lg);
  border: 1.5px solid var(--border-light);
  transform: scale(0.92);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

/* Toast Notifications */
.toast-notice {
  position: fixed;
  top: calc(var(--safe-top) + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(-30px);
  background: rgba(46, 16, 62, 0.94);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ========================================================================== */
/* Past Tests History Cards                                                   */
/* ========================================================================== */
.past-test-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.past-test-card:hover {
  border-color: var(--primary-pink);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.past-test-header-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.past-test-score-badge {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #EC4899, #F43F5E);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(236, 72, 153, 0.3);
  flex-shrink: 0;
}

.past-test-score-num {
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
}

.past-test-score-sub {
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.past-test-info {
  flex: 1;
  min-width: 0;
}

.past-test-title {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--text-title);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.past-test-date {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 2px;
}

.past-test-status-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-top: 4px;
}

.past-test-status-pill.completed {
  background: #D1FAE5;
  color: #059669;
}

.past-test-status-pill.ended_early {
  background: #FEF3C7;
  color: #D97706;
}

.past-test-metrics-row {
  display: flex;
  justify-content: space-between;
  background: var(--bg-soft);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-body);
  margin-bottom: 10px;
}

.past-test-subscores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.past-subscore-chip {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  text-align: center;
}

.past-subscore-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.past-subscore-val {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-title);
}

.btn-review-past-test {
  width: 100%;
  padding: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-pink);
  background: #FDF2F8;
  border: 1px solid #FBCFE8;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-review-past-test:hover {
  background: var(--primary-soft);
  border-color: var(--primary-pink);
}

.past-test-empty {
  text-align: center;
  padding: 50px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1.5px dashed var(--border-light);
}

.past-test-empty-icon {
  font-size: 40px;
  margin-bottom: 10px;
}

.past-test-empty-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 4px;
}

.past-test-empty-sub {
  font-size: 12.5px;
  color: var(--text-muted);
  max-width: 260px;
  margin: 0 auto 16px auto;
  line-height: 1.4;
}

/* ==========================================================================
   Full-Screen Landscape & Wide Responsive Layout
   ========================================================================== */

/* Split layout base (stacked in mobile portrait) */
.question-split-layout {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.question-passage-pane {
  width: 100%;
}

.question-interactive-pane {
  width: 100%;
}

/* Landscape Mode for Phones & Tablets, plus Desktop */
@media (orientation: landscape) and (min-width: 540px), (min-width: 860px) {
  /* Expand mobile frame to full screen width */
  #app-container {
    max-width: 100% !important;
    width: 100% !important;
    padding-left: calc(var(--safe-left) + 16px) !important;
    padding-right: calc(var(--safe-right) + 16px) !important;
    box-shadow: none;
  }

  /* Centered responsive container for content */
  .app-content {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

  /* Top sticky header in landscape: compact height */
  header.app-header {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    padding: calc(var(--safe-top) + 6px) 16px 8px 16px;
  }
  
  /* Test sticky header in landscape: ultra slim to maximize vertical reading room */
  .test-sticky-header {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    padding: calc(var(--safe-top) + 6px) 16px 6px 16px;
  }

  .test-header-nav-row {
    gap: 14px;
  }

  /* Question Card in Landscape: Wide and comfortable */
  .question-card {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 24px;
    border-radius: var(--radius-lg);
  }

  /* Dual-Pane Split Layout for Questions with Passages (ACT CBT Exam Style) */
  .question-card.has-passage .question-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
  }

  .question-card.has-passage .question-passage-pane {
    position: sticky;
    top: 56px;
  }

  .question-card.has-passage .passage-container {
    max-height: calc(100vh - 140px);
    max-height: calc(100dvh - 140px);
    overflow-y: auto;
    padding: 16px 18px;
    margin-bottom: 0;
    font-size: 14px;
    line-height: 1.65;
    background: #FFFDF9;
    border: 1.5px solid #FDE68A;
    border-left: 4px solid var(--primary-pink);
    border-radius: var(--radius-sm);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.02);
  }

  .question-card.has-passage .question-interactive-pane {
    max-height: calc(100vh - 140px);
    max-height: calc(100dvh - 140px);
    overflow-y: auto;
    padding-right: 6px;
  }

  /* Questions without Passages: 2x2 Options Grid */
  .question-card.no-passage .options-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .question-card.no-passage .prompt-text {
    font-size: 17px;
    line-height: 1.5;
    margin-bottom: 16px;
  }

  /* Category Grid: 4 across in a single row */
  .category-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 12px;
  }

  /* Start Test Buttons: 3 across in a single row */
  .start-buttons-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 12px;
  }

  /* Bottom Navigation Bar: Slim, centered dock */
  nav.app-navbar {
    max-width: 580px;
    left: 50%;
    transform: translateX(-50%);
    min-height: calc(58px + var(--safe-bottom));
    padding: 6px 16px calc(var(--safe-bottom) + 6px) 16px;
    border-radius: var(--radius-full) var(--radius-full) 0 0;
    box-shadow: 0 -4px 20px rgba(80, 35, 90, 0.12);
  }

  nav.app-navbar .nav-item {
    padding: 2px 6px;
    gap: 2px;
  }

  nav.app-navbar .nav-item span:not(.nav-icon) {
    font-size: 10.5px;
  }

  nav.app-navbar .nav-item.practice-fab-item .practice-fab {
    transform: translateY(-8px);
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  nav.app-navbar .nav-item.practice-fab-item .practice-fab-label {
    font-size: 9.5px;
    margin-top: 1px;
  }

  /* Score Report in Landscape: 2 Columns */
  .score-report-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    align-items: center;
  }

  .score-report-card .score-big-circle {
    margin: 0 auto;
  }

  .score-report-card .subscores-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }

  /* Modal Dialogs in Landscape */
  .modal-dialog {
    max-width: 520px;
    max-height: 88vh;
    max-height: 88dvh;
    overflow-y: auto;
  }
}