/* ========================================================
   JONEK LEARNING — ULTRA-PREMIUM DUOLINGO STYLESHEET
   ======================================================== */

:root {
  --color-bg: #131f24;
  --color-surface: #1e2d33;
  --color-surface-hover: #263840;
  --color-card-border: #37464f;
  
  --duo-green: #58cc02;
  --duo-green-shadow: #58a700;
  --duo-green-light: #d7ffb8;
  
  --duo-blue: #1cb0f6;
  --duo-blue-shadow: #1899d6;
  
  --duo-purple: #ce82ff;
  --duo-purple-shadow: #a855f7;
  
  --duo-gold: #ffc800;
  --duo-gold-shadow: #e5a500;
  
  --duo-red: #ff4b4b;
  --duo-red-shadow: #ea2b2b;
  
  --duo-gray: #4b4b4b;
  --duo-gray-shadow: #373737;
  --duo-gray-light: #777777;

  --text-main: #ffffff;
  --text-muted: #afbac0;
  --text-dim: #77848c;

  --font-main: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --border-radius-pill: 999px;
  --border-radius-card: 20px;
  --border-radius-btn: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}

.app-container {
  width: 100%;
  max-width: 900px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--color-bg);
  border-left: 1px solid var(--color-card-border);
  border-right: 1px solid var(--color-card-border);
}

/* ========================================================
   TOP NAVBAR (DUOLINGO STATS)
   ======================================================== */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-card-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar-ring {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffc800, #ff9600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border: 2px solid #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.user-name {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.3px;
}

.stats-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-pill);
  font-weight: 800;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.stat-pill:hover {
  transform: translateY(-2px);
  background-color: rgba(255, 255, 255, 0.1);
}

.fire-icon {
  animation: pulseFire 1.5s infinite alternate;
  display: inline-block;
}

@keyframes pulseFire {
  0% { transform: scale(1); filter: drop-shadow(0 0 2px #ff9600); }
  100% { transform: scale(1.2); filter: drop-shadow(0 0 8px #ff4b4b); }
}

.xp-pill .bolt-icon { color: #ffc800; }
.gem-pill .gem-icon { color: #1cb0f6; }
.hearts-pill .heart-icon { color: #ff4b4b; }

/* ========================================================
   SUBJECT SELECTOR BAR (HORIZONTAL SCROLL)
   ======================================================== */
.subject-nav {
  display: flex;
  gap: 10px;
  padding: 12px 18px;
  overflow-x: auto;
  scrollbar-width: none;
  background-color: rgba(30, 45, 51, 0.5);
  border-bottom: 1px solid var(--color-card-border);
}

.subject-nav::-webkit-scrollbar {
  display: none;
}

.subj-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--border-radius-pill);
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-bottom: 4px solid var(--color-card-border);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.subj-btn:hover {
  background-color: var(--color-surface-hover);
  color: var(--text-main);
  transform: translateY(-1px);
}

.subj-btn.active {
  background-color: var(--duo-blue);
  border-color: var(--duo-blue-shadow);
  border-bottom-color: var(--duo-blue-shadow);
  color: #ffffff;
  transform: translateY(2px);
  border-bottom-width: 2px;
}

.subj-btn.priority {
  border-color: rgba(255, 75, 75, 0.4);
}

.badge-mini {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 6px;
  background-color: rgba(255, 255, 255, 0.15);
  font-weight: 800;
  text-transform: uppercase;
}

.badge-mini.alert {
  background-color: var(--duo-red);
  color: #ffffff;
  animation: pulseAlert 1s infinite alternate;
}

@keyframes pulseAlert {
  0% { transform: scale(0.95); opacity: 0.9; }
  100% { transform: scale(1.05); opacity: 1; }
}

/* ========================================================
   MAIN CONTENT & BANNERS
   ======================================================== */
.main-content {
  flex: 1;
  padding: 20px 24px;
}

.view-section {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

.view-section.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.subject-header-banner {
  background: linear-gradient(135deg, #1cb0f6 0%, #1580b8 100%);
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: 0 10px 25px rgba(28, 176, 246, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.subject-header-banner.health-theme {
  background: linear-gradient(135deg, #ff4b4b 0%, #b81f1f 100%);
  box-shadow: 0 10px 25px rgba(255, 75, 75, 0.25);
}

.subject-header-banner.history-theme {
  background: linear-gradient(135deg, #ce82ff 0%, #8b32d1 100%);
  box-shadow: 0 10px 25px rgba(206, 130, 255, 0.25);
}

.subject-header-banner.math-theme {
  background: linear-gradient(135deg, #58cc02 0%, #3e8e00 100%);
  box-shadow: 0 10px 25px rgba(88, 204, 2, 0.25);
}

.banner-content h1 {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 6px;
}

.banner-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  font-weight: 600;
  max-width: 500px;
}

.banner-actions {
  display: flex;
  gap: 12px;
}

.action-btn {
  padding: 10px 18px;
  border-radius: var(--border-radius-btn);
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
  transition: all 0.15s ease;
}

.secondary-btn {
  background-color: #ffffff;
  color: #131f24;
}

.secondary-btn:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
}

.external-btn {
  background-color: rgba(0, 0, 0, 0.3);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.external-btn:hover {
  background-color: rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

/* ========================================================
   DUOLINGO PATH / BUBBLE TREE
   ======================================================== */
.duo-path {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  padding: 20px 0 60px;
  position: relative;
}

.path-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  width: 100%;
}

.step-bubble {
  width: 86px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--duo-green);
  border: 4px solid #ffffff;
  box-shadow: 0 8px 0 var(--duo-green-shadow), 0 12px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
  z-index: 2;
}

.step-bubble:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 0 var(--duo-green-shadow), 0 16px 30px rgba(0, 0, 0, 0.5);
}

.step-bubble:active {
  transform: translateY(6px);
  box-shadow: 0 2px 0 var(--duo-green-shadow);
}

.step-bubble.completed {
  background-color: var(--duo-gold);
  box-shadow: 0 8px 0 var(--duo-gold-shadow);
}

.step-bubble.locked {
  background-color: var(--duo-gray);
  box-shadow: 0 8px 0 var(--duo-gray-shadow);
  cursor: not-allowed;
  filter: grayscale(0.5);
}

.step-bubble.exam-boss {
  width: 104px;
  height: 98px;
  background-color: var(--duo-purple);
  box-shadow: 0 10px 0 var(--duo-purple-shadow);
  border-radius: 35%;
}

.step-crown-badge {
  position: absolute;
  top: -10px;
  right: -5px;
  background-color: var(--duo-gold);
  color: #000;
  font-size: 14px;
  padding: 3px 7px;
  border-radius: 12px;
  font-weight: 900;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.step-label {
  margin-top: 10px;
  font-weight: 800;
  font-size: 1rem;
  text-align: center;
  color: var(--text-main);
  background-color: var(--color-surface);
  padding: 6px 14px;
  border-radius: var(--border-radius-pill);
  border: 1px solid var(--color-card-border);
}

.step-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* S-Curve indentation for path */
.path-step:nth-child(2) .step-bubble { transform: translateX(-40px); }
.path-step:nth-child(3) .step-bubble { transform: translateX(40px); }
.path-step:nth-child(4) .step-bubble { transform: translateX(0px); }
.path-step:nth-child(5) .step-bubble { transform: translateX(-35px); }
.path-step:nth-child(6) .step-bubble { transform: translateX(35px); }

/* ========================================================
   QUIZ VIEW (INTERACTIVE QUESTION SCREEN)
   ======================================================== */
.quiz-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.close-quiz-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 26px;
  font-weight: 800;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: color 0.15s ease;
}

.close-quiz-btn:hover {
  color: var(--text-main);
}

.quiz-progress-track {
  flex: 1;
  height: 16px;
  background-color: var(--color-card-border);
  border-radius: var(--border-radius-pill);
  overflow: hidden;
  position: relative;
}

.quiz-progress-fill {
  height: 100%;
  background-color: var(--duo-green);
  border-radius: var(--border-radius-pill);
  transition: width 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.quiz-hearts-left {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--duo-red);
}

.question-box {
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.badge-pill {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  background-color: rgba(28, 176, 246, 0.2);
  color: var(--duo-blue);
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
}

.question-cat {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 700;
}

.question-text {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--text-main);
}

.question-text img {
  max-width: 100%;
  border-radius: 12px;
  margin-top: 14px;
  border: 1px solid var(--color-card-border);
}

.answers-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 80px;
}

.answer-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-bottom: 4px solid var(--color-card-border);
  border-radius: var(--border-radius-btn);
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  transition: all 0.12s ease;
}

.answer-card:hover {
  background-color: var(--color-surface-hover);
  border-color: #51646f;
  transform: translateY(-2px);
}

.answer-card.selected {
  background-color: rgba(28, 176, 246, 0.15);
  border-color: var(--duo-blue);
  border-bottom-color: var(--duo-blue-shadow);
  color: #ffffff;
}

.answer-card.correct {
  background-color: rgba(88, 204, 2, 0.2);
  border-color: var(--duo-green);
  border-bottom-color: var(--duo-green-shadow);
  color: #ffffff;
}

.answer-card.wrong {
  background-color: rgba(255, 75, 75, 0.2);
  border-color: var(--duo-red);
  border-bottom-color: var(--duo-red-shadow);
  color: #ffffff;
}

.ans-letter {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 2px solid var(--color-card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--text-muted);
}

.answer-card.selected .ans-letter {
  border-color: var(--duo-blue);
  color: var(--duo-blue);
}

/* ========================================================
   BOTTOM ACTION SHEET (DUOLINGO FEEDBACK)
   ======================================================== */
.quiz-footer {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 900px;
  padding: 16px 24px;
  background-color: var(--color-surface);
  border-top: 2px solid var(--color-card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);
}

.quiz-footer.success-state {
  background-color: #1a3922;
  border-color: var(--duo-green);
}

.quiz-footer.error-state {
  background-color: #3f1a1a;
  border-color: var(--duo-red);
}

.feedback-msg {
  display: flex;
  align-items: center;
  gap: 16px;
}

.feedback-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
}

.quiz-footer.success-state .feedback-icon {
  background-color: var(--duo-green);
  color: #ffffff;
}

.quiz-footer.error-state .feedback-icon {
  background-color: var(--duo-red);
  color: #ffffff;
}

.feedback-text h3 {
  font-size: 1.2rem;
  font-weight: 900;
}

.quiz-footer.success-state .feedback-text h3 { color: var(--duo-green); }
.quiz-footer.error-state .feedback-text h3 { color: var(--duo-red); }

.feedback-text p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.duo-btn {
  padding: 14px 32px;
  border-radius: var(--border-radius-btn);
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  border: none;
  transition: all 0.12s ease;
  letter-spacing: 0.5px;
}

.duo-btn.primary-btn {
  background-color: var(--duo-green);
  border-bottom: 4px solid var(--duo-green-shadow);
  color: #ffffff;
}

.duo-btn.primary-btn:hover:not(:disabled) {
  background-color: #61e002;
  transform: translateY(-2px);
}

.duo-btn.primary-btn:active:not(:disabled) {
  transform: translateY(2px);
  border-bottom-width: 2px;
}

.duo-btn.primary-btn:disabled {
  background-color: var(--duo-gray);
  border-bottom-color: var(--duo-gray-shadow);
  color: var(--text-dim);
  cursor: not-allowed;
}

.duo-btn.large {
  width: 100%;
  font-size: 1.2rem;
  padding: 18px;
}

/* ========================================================
   ORAL EXAM TRAINER & RUTOORO STYLES
   ======================================================== */
.oral-container, .rutooro-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.oral-card, .rutooro-card {
  width: 100%;
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-card);
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.oral-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.oral-badge, .rutooro-badge {
  background-color: rgba(206, 130, 255, 0.2);
  color: var(--duo-purple);
  padding: 4px 12px;
  border-radius: var(--border-radius-pill);
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.oral-timer {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--duo-gold);
}

.oral-question {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 24px;
}

.oral-hints-box {
  background-color: rgba(255, 200, 0, 0.08);
  border: 2px dashed rgba(255, 200, 0, 0.3);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 20px;
}

.oral-hints-box h4 {
  color: var(--duo-gold);
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 800;
}

.oral-hints-box ul {
  padding-left: 20px;
}

.oral-hints-box li {
  margin-bottom: 6px;
  color: #f1f5f9;
  font-weight: 600;
}

.oral-card-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.neutral-btn {
  background-color: var(--color-surface-hover);
  border: 2px solid var(--color-card-border);
  border-bottom: 4px solid var(--color-card-border);
  color: var(--text-main);
}

/* Rutooro Word Display */
.rutooro-stats-bar {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.rutooro-stat-tag {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  padding: 4px 12px;
  border-radius: var(--border-radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}

.rutooro-badges-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.rutooro-type-badge {
  background-color: rgba(28, 176, 246, 0.2);
  color: var(--duo-blue);
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.rutooro-cat-badge {
  background-color: rgba(255, 200, 0, 0.15);
  color: var(--duo-gold);
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
}

.rutooro-word-display {
  text-align: center;
  padding: 16px 0;
}

.word-with-audio {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.rutooro-word-display h1 {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--duo-green);
  letter-spacing: -0.5px;
}

.audio-pronounce-btn {
  background: rgba(88, 204, 2, 0.2);
  border: 2px solid var(--duo-green);
  color: var(--duo-green);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.15s, background-color 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.audio-pronounce-btn:hover {
  background: var(--duo-green);
  color: #fff;
  transform: scale(1.1);
}

.word-class {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 700;
  display: block;
  margin-top: 4px;
}

.prompt-text {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.check-btn-group {
  display: flex;
  gap: 14px;
  margin-top: 14px;
}

.check-btn-group button {
  flex: 1;
}

.meaning-box {
  background-color: rgba(28, 176, 246, 0.1);
  border-left: 4px solid var(--duo-blue);
  padding: 14px 18px;
  border-radius: 0 12px 12px 0;
  margin-bottom: 16px;
}

.meaning-label, .phrase-label, .forms-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 800;
}

.meaning-box h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-top: 4px;
}

/* Forms box */
.forms-box {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-card-border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.forms-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}

.form-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  padding: 10px 14px;
}

.form-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 800;
}

.form-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--duo-gold);
  margin-top: 2px;
}

/* Verb conjugations mini table */
.conjugation-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 0.9rem;
}

.conjugation-table th {
  text-align: left;
  padding: 6px 10px;
  color: var(--text-dim);
  font-weight: 700;
  border-bottom: 1px solid var(--color-card-border);
}

.conjugation-table td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.conjugation-table .tooro-word {
  color: var(--duo-gold);
  font-weight: 800;
}

.phrase-example-box {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
}

.phrase-rutooro {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--duo-gold);
  margin-top: 4px;
}

.phrase-pl {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Mini quiz in Rutooro */
.rutooro-quiz-box {
  background: rgba(206, 130, 255, 0.08);
  border: 2px dashed rgba(206, 130, 255, 0.4);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 20px;
}

.rutooro-quiz-box h4 {
  color: var(--duo-purple);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.quiz-q-prompt {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.quiz-opt-btn {
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-bottom: 4px solid var(--color-card-border);
  border-radius: 12px;
  padding: 12px;
  color: #ffffff;
  font-family: inherit;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.15s;
}

.quiz-opt-btn:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--duo-purple);
}

.quiz-opt-btn.correct {
  background-color: rgba(88, 204, 2, 0.25);
  border-color: var(--duo-green);
  color: var(--duo-green-light);
}

.quiz-opt-btn.wrong {
  background-color: rgba(255, 75, 75, 0.25);
  border-color: var(--duo-red);
  color: #ff9999;
}

.quiz-fb-msg {
  margin-top: 12px;
  font-weight: 800;
  font-size: 0.95rem;
}

.rutooro-practice-actions {
  display: flex;
  gap: 12px;
}

.rutooro-practice-actions button {
  flex: 1;
}

/* ========================================================
   DAILY STUDY PLAN & TIMELINE STYLES
   ======================================================== */
.exam-countdown-ticker {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 0 16px 0;
  margin-bottom: 8px;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  padding: 8px 14px;
  border-radius: var(--border-radius-pill);
  font-size: 0.85rem;
  white-space: nowrap;
}

.ticker-item.urgent {
  background: rgba(255, 75, 75, 0.15);
  border-color: rgba(255, 75, 75, 0.4);
  color: #ff9999;
}

.ticker-item.urgent strong {
  color: #ffffff;
}

.daily-hero-banner {
  background: linear-gradient(135deg, #1e2d33 0%, #152228 100%);
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.day-subtitle {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--duo-gold);
  margin-bottom: 4px;
}

.daily-hero-content h1 {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 6px;
  color: #ffffff;
}

.daily-hero-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.daily-progress-box {
  background-color: rgba(0, 0, 0, 0.25);
  border-radius: 14px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.prog-val {
  color: var(--duo-green);
}

.daily-progress-track {
  width: 100%;
  height: 14px;
  background-color: #2b3940;
  border-radius: var(--border-radius-pill);
  overflow: hidden;
  margin-bottom: 8px;
}

.daily-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #58cc02, #78de1f);
  border-radius: var(--border-radius-pill);
  transition: width 0.4s ease;
}

.prog-reward {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.prog-reward strong {
  color: var(--duo-gold);
}

/* Weekday Selector */
.weekday-selector {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.day-tab-btn {
  flex: 1;
  min-width: 110px;
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-bottom: 4px solid var(--color-card-border);
  border-radius: var(--border-radius-btn);
  padding: 12px 14px;
  color: var(--text-muted);
  font-family: inherit;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.day-tab-btn:hover {
  background-color: var(--color-surface-hover);
  color: #fff;
}

.day-tab-btn.active {
  background-color: var(--duo-blue);
  border-color: var(--duo-blue-shadow);
  color: #ffffff;
  transform: translateY(2px);
  border-bottom-width: 2px;
}

/* Timeline Cards */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.timeline-card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-card);
  padding: 20px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.timeline-card.completed {
  border-color: var(--duo-green);
  background: rgba(88, 204, 2, 0.05);
}

.timeline-time-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-card-border);
  border-radius: 12px;
  padding: 8px 6px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--duo-gold);
}

.timeline-step-num {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.timeline-card-body {
  flex: 1;
}

.card-subj-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.card-subj-tag {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--duo-blue);
}

.card-xp-tag {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--duo-gold);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 14px;
}

.card-actions-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.video-action-btn {
  background: rgba(28, 176, 246, 0.15);
  border: 2px solid var(--duo-blue);
  color: var(--duo-blue);
  border-radius: 12px;
  padding: 8px 14px;
  font-weight: 800;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.video-action-btn:hover {
  background: var(--duo-blue);
  color: #fff;
}

.quiz-action-btn {
  background: rgba(88, 204, 2, 0.15);
  border: 2px solid var(--duo-green);
  color: var(--duo-green-light);
  border-radius: 12px;
  padding: 8px 14px;
  font-weight: 800;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.quiz-action-btn:hover {
  background: var(--duo-green);
  color: #fff;
}

.task-check-btn {
  margin-left: auto;
  background-color: var(--color-surface-hover);
  border: 2px solid var(--color-card-border);
  color: var(--text-main);
  border-radius: 12px;
  padding: 8px 16px;
  font-weight: 800;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s;
}

.task-check-btn.checked {
  background-color: var(--duo-green);
  border-color: var(--duo-green-shadow);
  color: #ffffff;
}

/* Break Card */
.timeline-card.break-card {
  background: rgba(206, 130, 255, 0.06);
  border-color: rgba(206, 130, 255, 0.3);
}

.break-card .timeline-time-badge {
  color: var(--duo-purple);
}

.break-timer-btn {
  background: rgba(206, 130, 255, 0.2);
  border: 2px solid var(--duo-purple);
  color: var(--duo-purple);
  border-radius: 12px;
  padding: 8px 14px;
  font-weight: 800;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s;
}

.break-timer-btn:hover {
  background: var(--duo-purple);
  color: #fff;
}

/* Modals */
.app-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  background-color: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-card);
  width: 100%;
  max-width: 760px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  z-index: 10;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-card-border);
}

.modal-badge-tag {
  font-size: 0.75rem;
  color: var(--duo-blue);
  font-weight: 800;
  text-transform: uppercase;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.4rem;
  font-weight: 800;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: #fff;
}

.video-frame-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  background: #000;
}

.video-frame-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-top: 1px solid var(--color-card-border);
  background-color: rgba(0, 0, 0, 0.2);
}

.modal-src-tag {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Break Timer Modal */
.break-modal-card {
  max-width: 480px;
  text-align: center;
  padding: 30px;
}

.break-icon {
  font-size: 3.5rem;
  margin-bottom: 12px;
}

.break-modal-card h2 {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 8px;
}

.break-modal-card p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.break-timer-display {
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--duo-purple);
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.break-controls {
  display: flex;
  gap: 12px;
}

.break-controls button {
  flex: 1;
}

.video-btn {
  background: rgba(28, 176, 246, 0.2);
  border: 1px solid var(--duo-blue);
  color: var(--duo-blue);
}

.video-btn:hover {
  background: var(--duo-blue);
  color: #ffffff;
}

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 600px) {
  .top-nav { padding: 10px 14px; }
  .stats-bar { gap: 6px; }
  .stat-pill { padding: 4px 8px; font-size: 0.85rem; }
  .user-name { display: none; }
  .main-content { padding: 14px; }
  .subject-header-banner { padding: 18px; }
  .banner-actions { width: 100%; }
  .banner-actions .action-btn { flex: 1; justify-content: center; }
  .check-btn-group { flex-direction: column; }
}