:root {
  --primary: #7c3cff;
  --secondary: #ff3cf7;
  --accent: #00eaff;
  --gold: #ffd700;
  --dark: #070816;
  --glass: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --text-light: #ffffff;
  --text-soft: #d8dcff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--dark);
  color: var(--text-light);
  min-height: 100vh;
  overflow-x: hidden;
}

.gradeup-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 25px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(124, 60, 255, 0.45), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 60, 247, 0.35), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 0 40px rgba(124, 60, 255, 0.4);
}

.login-card {
  width: 100%;
  max-width: 430px;
  border-radius: 28px;
  padding: 28px;
  position: relative;
  z-index: 2;
}

.creator-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.logo-mark {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--gold), #ff8c00);
  color: #111;
  display: grid;
  place-items: center;
  font-weight: 900;
  box-shadow: 0 0 22px rgba(255, 215, 0, 0.6);
}

.creator-logo h6 {
  margin: 0;
  font-weight: 800;
}

.creator-logo small {
  color: var(--text-soft);
}

.app-brand {
  text-align: center;
  margin-bottom: 24px;
}

.app-brand h1 {
  font-size: 3rem;
  font-weight: 900;
  margin: 0;
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--accent), var(--secondary), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-brand p {
  margin: 0;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.75rem;
}

.hero-text {
  text-align: center;
  margin-bottom: 24px;
}

.hero-text h2 {
  font-size: 1.45rem;
  font-weight: 800;
}

.hero-text p {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}

.form-label {
  font-weight: 700;
  color: #ffffff;
}

.grade-input {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-radius: 16px;
  padding: 13px 15px;
}

.grade-input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.grade-input:focus {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 0 0 0.25rem rgba(0, 234, 255, 0.2);
}

.grade-btn {
  margin-top: 8px;
  border: none;
  border-radius: 18px;
  padding: 14px;
  font-weight: 900;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 0 28px rgba(255, 60, 247, 0.35);
}

.grade-btn:hover {
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 38px rgba(0, 234, 255, 0.5);
}

.auth-message {
  min-height: 24px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold);
  text-align: center;
}

.login-note {
  margin-top: 18px;
  text-align: center;
}

.login-note p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0.8;
}

.orb-one {
  width: 170px;
  height: 170px;
  top: 8%;
  left: 8%;
  background: rgba(0, 234, 255, 0.25);
}

.orb-two {
  width: 220px;
  height: 220px;
  right: 8%;
  bottom: 12%;
  background: rgba(255, 60, 247, 0.22);
}

.orb-three {
  width: 110px;
  height: 110px;
  right: 20%;
  top: 18%;
  background: rgba(255, 215, 0, 0.2);
}

@media (max-width: 576px) {
  .login-card {
    padding: 22px;
    border-radius: 24px;
  }

  .app-brand h1 {
    font-size: 2.4rem;
  }

  .hero-text h2 {
    font-size: 1.25rem;
  }
}
.dashboard-screen {
  min-height: 100vh;
  padding: 18px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(0, 234, 255, 0.25), transparent 35%),
    radial-gradient(circle at bottom right, rgba(124, 60, 255, 0.35), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.dashboard-nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 18px;
  border-radius: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logout-btn {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  padding: 9px 16px;
  font-weight: 800;
}

.logout-btn:hover {
  color: #111;
  background: #fff;
}

.dashboard-container {
  max-width: 1180px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.welcome-panel {
  padding: 28px;
  border-radius: 28px;
}

.welcome-panel h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: 10px;
}

.welcome-panel p {
  color: var(--text-soft);
}

.mini-label {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  font-weight: 900;
  margin-bottom: 8px;
}
.review-image {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  margin: 12px 0 16px;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.stat-card {
  padding: 22px;
  border-radius: 24px;
  min-height: 130px;
}

.stat-card span {
  color: var(--text-soft);
  font-weight: 700;
}

.stat-card h2 {
  margin-top: 10px;
  font-weight: 900;
  font-size: 2rem;
}

.mission-card,
.profile-card {
  padding: 26px;
  border-radius: 26px;
  min-height: 260px;
}

.mission-card h3 {
  font-weight: 900;
}

.mission-card p {
  color: var(--text-soft);
  line-height: 1.7;
}

.avatar-circle {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 3rem;
  margin: 0 auto 15px;
  background: linear-gradient(135deg, var(--gold), var(--secondary));
  box-shadow: 0 0 35px rgba(255, 215, 0, 0.45);
}

.profile-card {
  text-align: center;
}

.profile-card h4 {
  font-weight: 900;
}

.profile-card p {
  color: var(--text-soft);
}

.small-text {
  font-size: 0.85rem;
}
body.theme-blue-academy .dashboard-screen {
  background:
    radial-gradient(circle at top left, rgba(0, 174, 255, 0.28), transparent 35%),
    radial-gradient(circle at bottom right, rgba(80, 110, 255, 0.3), transparent 35%),
    linear-gradient(135deg, #061225, #0c1f45, #10133a);
}

body.theme-purple-challenger .dashboard-screen {
  background:
    radial-gradient(circle at top left, rgba(124, 60, 255, 0.45), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 60, 247, 0.35), transparent 35%),
    linear-gradient(135deg, #070816, #1a0b35, #32105c);
}

body.theme-cyan-elite .dashboard-screen {
  background:
    radial-gradient(circle at top left, rgba(0, 234, 255, 0.45), transparent 35%),
    radial-gradient(circle at bottom right, rgba(0, 120, 255, 0.35), transparent 35%),
    linear-gradient(135deg, #031018, #062c3f, #081a30);
}

body.theme-gold-champion .dashboard-screen {
  background:
    radial-gradient(circle at top left, rgba(255, 215, 0, 0.42), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 140, 0, 0.35), transparent 35%),
    linear-gradient(135deg, #130d02, #2a1d05, #4a2f05);
}

body.theme-legend-fire .dashboard-screen {
  background:
    radial-gradient(circle at top left, rgba(255, 72, 0, 0.45), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 0, 100, 0.38), transparent 35%),
    linear-gradient(135deg, #130202, #300808, #5c1206);
}

body.theme-gold-champion .glass-card,
body.theme-legend-fire .glass-card {
  box-shadow: 0 0 45px rgba(255, 215, 0, 0.35);
}

body.theme-cyan-elite .glass-card {
  box-shadow: 0 0 45px rgba(0, 234, 255, 0.35);
}
.quiz-screen {
  min-height: 100vh;
  padding: 18px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(124, 60, 255, 0.35), transparent 35%),
    radial-gradient(circle at bottom right, rgba(0, 234, 255, 0.25), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.quiz-container {
  max-width: 950px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.quiz-top {
  padding: 22px;
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.quiz-top h2 {
  font-weight: 900;
  margin: 0;
}

.timer-box {
  min-width: 110px;
  text-align: center;
  padding: 12px 18px;
  border-radius: 18px;
  font-size: 1.3rem;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.14);
  color: var(--gold);
  box-shadow: 0 0 22px rgba(255, 215, 0, 0.25);
}

.grade-progress {
  height: 14px;
  border-radius: 50px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
}

.grade-progress .progress-bar {
  background: linear-gradient(90deg, var(--accent), var(--secondary), var(--gold));
  transition: width 0.35s ease;
}

.question-card {
  padding: 28px;
  border-radius: 28px;
}

.question-card h1 {
  font-size: clamp(1.6rem, 4vw, 2.7rem);
  font-weight: 900;
  line-height: 1.25;
}

.answer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.answer-btn {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 18px;
  padding: 16px;
  font-weight: 800;
  text-align: left;
  transition: 0.25s ease;
}

.answer-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(0, 234, 255, 0.3);
}

.answer-btn.correct {
  background: rgba(0, 255, 140, 0.25);
  border-color: #00ff99;
}

.answer-btn.wrong {
  background: rgba(255, 50, 80, 0.25);
  border-color: #ff3355;
}

.quiz-quote {
  padding: 18px;
  border-radius: 22px;
  text-align: center;
}

.quiz-quote p {
  margin: 0;
  color: var(--text-soft);
  font-weight: 700;
}

body.theme-blue-academy .quiz-screen,
body.theme-purple-challenger .quiz-screen,
body.theme-cyan-elite .quiz-screen,
body.theme-gold-champion .quiz-screen,
body.theme-legend-fire .quiz-screen {
  background: inherit;
}

@media (max-width: 650px) {
  .quiz-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .answer-grid {
    grid-template-columns: 1fr;
  }

  .timer-box {
    width: 100%;
  }
}

.result-screen {
  min-height: 100vh;
  padding: 22px;
  display: flex;
  align-items: center;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(255, 215, 0, 0.25), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 60, 247, 0.28), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.result-container {
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.result-card {
  border-radius: 32px;
  padding: 32px;
  text-align: center;
}

.result-badge {
  width: 110px;
  height: 110px;
  margin: 10px auto 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--gold), var(--secondary));
  box-shadow: 0 0 45px rgba(255, 215, 0, 0.5);
}

.result-card h1 {
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.3rem);
}

.result-message {
  color: var(--text-soft);
  font-weight: 700;
  margin: 14px auto 24px;
  max-width: 550px;
  line-height: 1.7;
}

.score-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.score-display span,
.score-display strong {
  padding: 14px 22px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.13);
  font-size: 1.4rem;
  font-weight: 900;
}

.score-display strong {
  color: var(--gold);
}

.xp-section {
  margin-top: 20px;
  text-align: left;
}

.xp-top {
  display: flex;
  justify-content: space-between;
  font-weight: 900;
  margin-bottom: 10px;
}

.xp-top strong {
  color: var(--accent);
}

.xp-bar {
  width: 100%;
  height: 18px;
  border-radius: 50px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.15);
}

.xp-fill {
  height: 100%;
  width: 0%;
  border-radius: 50px;
  background: linear-gradient(90deg, var(--accent), var(--secondary), var(--gold));
  transition: width 1.4s ease;
}

#levelText {
  margin-top: 10px;
  text-align: center;
  font-weight: 900;
  color: var(--text-soft);
}

.result-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.outline-btn {
  border-radius: 18px;
  padding: 13px 18px;
  font-weight: 900;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.outline-btn:hover {
  color: #111;
  background: #fff;
}
.review-screen {
  min-height: 100vh;
  padding: 18px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(0, 234, 255, 0.25), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 60, 247, 0.25), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.review-container {
  max-width: 980px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.review-list {
  display: grid;
  gap: 16px;
}

.review-item {
  padding: 22px;
  border-radius: 24px;
}

.review-item h3 {
  font-weight: 900;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.answer-line {
  padding: 12px 14px;
  border-radius: 16px;
  margin-bottom: 10px;
  font-weight: 800;
}

.answer-line.correct-answer {
  background: rgba(0, 255, 140, 0.18);
  border: 1px solid rgba(0, 255, 140, 0.45);
}

.answer-line.wrong-answer {
  background: rgba(255, 50, 80, 0.18);
  border: 1px solid rgba(255, 50, 80, 0.45);
}

.answer-line.neutral-answer {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.reward-screen {
  min-height: 100vh;
  padding: 22px;
  display: flex;
  align-items: center;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(255, 215, 0, 0.3), transparent 35%),
    radial-gradient(circle at bottom right, rgba(124, 60, 255, 0.35), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.reward-container {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.reward-card {
  padding: 34px;
  border-radius: 32px;
  text-align: center;
}

.crate-box {
  width: 140px;
  height: 140px;
  margin: 20px auto;
  display: grid;
  place-items: center;
  font-size: 5rem;
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.28), rgba(255, 60, 247, 0.25));
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 0 45px rgba(255, 215, 0, 0.35);
}

.reward-card h1 {
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.2rem);
}

#rewardMessage {
  color: var(--text-soft);
  font-weight: 700;
  line-height: 1.7;
  max-width: 520px;
  margin: 12px auto 24px;
}
.leaderboard-screen {
  min-height: 100vh;
  padding: 18px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(255, 215, 0, 0.28), transparent 35%),
    radial-gradient(circle at bottom right, rgba(124, 60, 255, 0.35), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.leaderboard-container {
  max-width: 1050px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.top-champion {
  padding: 28px;
  border-radius: 28px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(255, 215, 0, 0.18), rgba(255, 60, 247, 0.12));
}

.top-champion h2 {
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--gold);
}

.top-champion p {
  color: var(--text-soft);
  font-weight: 700;
}

.leaderboard-list {
  display: grid;
  gap: 14px;
}

.leaderboard-row {
  padding: 18px;
  border-radius: 24px;
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 14px;
  align-items: center;
}

.rank-number {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.14);
  color: var(--gold);
}

.leader-name h3 {
  margin: 0;
  font-weight: 900;
  font-size: 1.2rem;
}

.leader-name p {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-weight: 700;
}

.leader-score {
  text-align: right;
}

.leader-score strong {
  display: block;
  color: var(--accent);
  font-size: 1.2rem;
}

.leader-score span {
  color: var(--text-soft);
  font-weight: 700;
}

.current-player {
  border: 1px solid rgba(255, 215, 0, 0.7);
  box-shadow: 0 0 35px rgba(255, 215, 0, 0.25);
}

@media (max-width: 650px) {
  .leaderboard-row {
    grid-template-columns: 55px 1fr;
  }

  .leader-score {
    grid-column: 2;
    text-align: left;
  }
}
.achievement-screen {
  min-height: 100vh;
  padding: 18px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(255, 215, 0, 0.28), transparent 35%),
    radial-gradient(circle at bottom right, rgba(0, 234, 255, 0.28), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.achievement-container {
  max-width: 1050px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.achievement-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.achievement-card {
  padding: 22px;
  border-radius: 24px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.achievement-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 2rem;
  background: rgba(255, 255, 255, 0.14);
}

.achievement-info h3 {
  margin: 0;
  font-weight: 900;
  font-size: 1.15rem;
}

.achievement-info p {
  margin: 5px 0 0;
  color: var(--text-soft);
  font-weight: 700;
}

.achievement-locked {
  opacity: 0.45;
  filter: grayscale(1);
}

.achievement-unlocked {
  border: 1px solid rgba(255, 215, 0, 0.65);
  box-shadow: 0 0 32px rgba(255, 215, 0, 0.25);
}

@media (max-width: 720px) {
  .achievement-list {
    grid-template-columns: 1fr;
  }
}
.dashboard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.dashboard-actions .btn {
  margin: 0;
}
.study-screen {
  min-height: 100vh;
  padding: 18px;
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(0, 234, 255, 0.25), transparent 35%),
    radial-gradient(circle at bottom right, rgba(255, 60, 247, 0.25), transparent 35%),
    linear-gradient(135deg, #070816, #10133a, #180b35);
}

.study-container {
  max-width: 1100px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.study-notes-list {
  display: grid;
  gap: 22px;
}

.study-card {
  padding: 24px;
  border-radius: 30px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: center;
  overflow: hidden;
}

.study-image-wrap {
  position: relative;
}

.study-image {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 35px rgba(0, 234, 255, 0.25);
  animation: floatStudyImage 3s infinite ease-in-out;
}

.study-content h2 {
  font-weight: 900;
  margin-bottom: 10px;
}

.study-content p {
  color: var(--text-soft);
  line-height: 1.7;
  font-weight: 600;
}

.key-points {
  margin-top: 14px;
  padding-left: 18px;
  color: #fff;
}

.key-points li {
  margin-bottom: 8px;
  font-weight: 700;
}

.memory-tip {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 215, 0, 0.13);
  border: 1px solid rgba(255, 215, 0, 0.35);
  color: var(--gold);
  font-weight: 900;
}

@media (max-width: 760px) {
  .study-card {
    grid-template-columns: 1fr;
  }

  .study-image {
    height: 220px;
  }
}
.question-image {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  margin-top: 18px;
  padding: 12px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.quiz-nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.answer-btn.selected {
  border-color: var(--gold);
  background: rgba(255, 215, 0, 0.22);
  box-shadow: 0 0 24px rgba(255, 215, 0, 0.3);
}
#confettiLayer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 99999;
}

.confetti-piece {
  position: fixed;
  top: -30px;
  width: 10px;
  height: 18px;
  border-radius: 4px;
  opacity: 0.95;
  animation-name: confettiFall;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}
/* Performance-based quiz celebration */
.confetti-circle {
  border-radius: 50%;
}

.confetti-square {
  border-radius: 4px;
}

.confetti-strip {
  width: 6px;
  height: 24px;
  border-radius: 999px;
}

.result-actions .disabled {
  opacity: 0.55;
  pointer-events: none;
  filter: grayscale(0.35);
}

.avatar-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.profile-avatar-gallery {
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
}

.mini-avatar-card {
  padding: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.18);
  text-align: center;
  transition: 0.25s ease;
}

.mini-avatar-card.active {
  border-color: var(--gold);
  box-shadow: 0 0 22px rgba(255, 215, 0, 0.35);
}

.mini-avatar-card.locked {
  opacity: 0.55;
  filter: grayscale(0.7);
}

.mini-avatar-emoji {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 6px;
}

.mini-avatar-card strong,
.mini-avatar-card span {
  display: block;
}

.mini-avatar-card strong {
  font-size: 0.85rem;
}

.mini-avatar-card span {
  color: var(--text-soft);
  font-size: 0.72rem;
  margin-top: 3px;
}

.avatar-reaction-box {
  margin: 18px 0;
  padding: 16px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.result-avatar {
  width: 70px;
  height: 70px;
  flex: 0 0 70px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--gold), var(--secondary));
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.4);
}

.avatar-reaction-box strong {
  font-weight: 900;
}

.avatar-reaction-box p {
  margin: 4px 0;
  color: var(--text-soft);
}

.avatar-reaction-box small {
  color: var(--gold);
  font-weight: 800;
}

.avatar-reaction-box.new-avatar-unlocked {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.35);
}

.big-avatar {
  animation: avatarPulse 2.4s infinite ease-in-out;
}

@media (max-width: 576px) {
  .avatar-gallery {
    grid-template-columns: 1fr;
  }

  .avatar-reaction-box {
    align-items: flex-start;
  }
}

/* Dashboard current-avatar hero + Hall Of Fame upgrade */
.dashboard-hero-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
}

.hero-avatar-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-avatar {
  margin: 0;
  width: 104px;
  height: 104px;
  font-size: 3.4rem;
}

.hero-avatar-wrap h3 {
  margin: 0 0 4px;
  font-weight: 900;
  color: var(--gold);
}

.hall-fame-section {
  padding: 26px;
  border-radius: 28px;
}

.hall-fame-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.hall-fame-header h2 {
  margin: 0;
  font-weight: 900;
}

.hall-row {
  background: rgba(255, 255, 255, 0.09);
}

.empty-hall-message {
  padding: 18px;
  border-radius: 20px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
  font-weight: 700;
}

.current-avatar-card h3 {
  font-weight: 900;
  color: var(--gold);
}

.current-avatar-card p {
  color: var(--text-soft);
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .dashboard-hero-panel {
    grid-template-columns: 1fr;
  }

  .hero-avatar-wrap {
    align-items: flex-start;
  }

  .hall-fame-header {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* Final deployment polish */
.study-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.study-icon {
  width: 86px;
  height: 86px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
}

/* Final publishing upgrade: admin, custom avatars, certificates */
.subject-select {
  max-width: 260px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}

.profile-image-avatar,
.hall-profile-thumb,
.mini-avatar-emoji img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.dashboard-avatar-img,
.result-avatar-img,
.profile-big-img {
  border: 3px solid rgba(255,255,255,0.6);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.hall-profile-thumb {
  width: 32px;
  height: 32px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

.avatar-choice-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.mini-avatar-card {
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.09);
  color: #fff;
  border-radius: 18px;
  padding: 14px;
  min-height: 135px;
  text-align: center;
  cursor: pointer;
  transition: 0.25s ease;
}

.mini-avatar-card:hover,
.mini-avatar-card.active {
  transform: translateY(-4px);
  border-color: rgba(255,215,0,0.85);
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.mini-avatar-card.locked {
  opacity: 0.45;
  cursor: not-allowed;
}

.mini-avatar-emoji {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: rgba(255,255,255,0.12);
}

.mini-avatar-card span {
  display: block;
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 4px;
}

.custom-upload-box {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 14px;
}

.admin-login-card {
  max-width: 560px;
  margin: 30px auto;
}

.admin-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px;
}

.admin-tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 18px;
  background: rgba(255,255,255,0.11);
  color: #fff;
  font-weight: 700;
}

.admin-tab.active {
  background: linear-gradient(135deg, #ffd700, #ff8a00);
  color: #201400;
}

.admin-card {
  padding: 22px;
}

.admin-list {
  display: grid;
  gap: 12px;
  max-height: 760px;
  overflow: auto;
  padding-right: 4px;
}

.admin-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
}

.admin-row p,
.admin-row small {
  margin: 5px 0 0;
  opacity: 0.84;
}

.admin-row-actions,
.admin-list-header {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.question-admin-row strong {
  display: block;
  line-height: 1.35;
}

.teacher-check-list {
  display: grid;
  gap: 7px;
  margin: 8px 0 14px;
}

.teacher-check {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
}

.certificate-container {
  padding-top: 30px;
  padding-bottom: 50px;
}

.certificate-paper {
  background: #fff;
  color: #151515;
  max-width: 980px;
  margin: 30px auto;
  padding: 22px;
  border-radius: 18px;
  box-shadow: 0 25px 80px rgba(0,0,0,0.25);
}

.certificate-border {
  position: relative;
  border: 8px double #1d2764;
  min-height: 620px;
  padding: 56px 60px;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(255,215,0,0.22), transparent 30%),
    radial-gradient(circle at bottom right, rgba(124,60,255,0.16), transparent 34%),
    #fff;
}

.certificate-topline {
  letter-spacing: 5px;
  font-size: 0.84rem;
  font-weight: 800;
  color: #1d2764;
}

.certificate-paper h1 {
  font-size: clamp(2.4rem, 6vw, 4.7rem);
  font-family: Georgia, 'Times New Roman', serif;
  color: #111a54;
  margin: 22px 0 8px;
}

.certificate-subtitle {
  font-size: 1.15rem;
  color: #555;
}

.certificate-paper h2 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  color: #8a5a00;
  border-bottom: 2px solid rgba(138,90,0,0.28);
  display: inline-block;
  padding: 0 28px 10px;
  margin: 20px 0;
}

.certificate-body {
  max-width: 700px;
  margin: 0 auto 26px;
  font-size: 1.1rem;
  line-height: 1.7;
}

.certificate-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 720px;
  margin: 30px auto;
}

.certificate-stats div {
  border: 1px solid rgba(29,39,100,0.2);
  border-radius: 16px;
  padding: 14px;
}

.certificate-stats span,
.certificate-footer span {
  display: block;
  color: #666;
  font-size: 0.86rem;
}

.certificate-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 60px;
  text-align: left;
}

.certificate-seal {
  position: absolute;
  right: 42px;
  bottom: 42px;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid #c99a13;
  color: #8a5a00;
  font-weight: 900;
  font-size: 0.78rem;
  transform: rotate(-10deg);
}

@media (max-width: 768px) {
  .admin-row,
  .admin-list-header,
  .certificate-footer { flex-direction: column; }
  .certificate-border { padding: 34px 20px; }
  .certificate-stats { grid-template-columns: 1fr; }
  .certificate-seal { position: static; margin: 24px auto 0; }
}

@media print {
  body { background: #fff !important; }
  .no-print, .bg-orb { display: none !important; }
  .certificate-container { padding: 0 !important; max-width: none !important; }
  .certificate-paper { display: block !important; box-shadow: none !important; margin: 0 !important; padding: 0 !important; border-radius: 0 !important; }
  .certificate-border { min-height: 96vh; border-color: #111a54; }
}


/* Final profile-picture control fix: keeps uploaded photos neat on every device */
.avatar-circle,
.result-avatar,
.big-avatar,
.mini-avatar-emoji,
.certificate-photo-frame {
  overflow: hidden;
  flex-shrink: 0;
}

.big-avatar {
  width: clamp(112px, 24vw, 150px);
  height: clamp(112px, 24vw, 150px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  font-size: clamp(3rem, 12vw, 5rem);
  background: linear-gradient(135deg, var(--gold), var(--secondary));
  box-shadow: 0 0 38px rgba(255, 215, 0, 0.42);
}

.profile-image-avatar,
.dashboard-avatar-img,
.result-avatar-img,
.profile-big-img,
.hall-profile-thumb,
.mini-avatar-emoji img,
.certificate-photo {
  display: block;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  max-width: 100%;
  max-height: 100%;
}

.profile-image-avatar,
.dashboard-avatar-img,
.result-avatar-img,
.profile-big-img {
  width: 100%;
  height: 100%;
}

.mini-avatar-emoji {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 8px;
  line-height: 1;
  background: rgba(255,255,255,0.12);
}

.mini-avatar-emoji img {
  width: 54px;
  height: 54px;
}

.hall-profile-thumb {
  width: 32px;
  height: 32px;
}

.certificate-photo-frame {
  width: clamp(86px, 15vw, 118px);
  height: clamp(86px, 15vw, 118px);
  margin: 18px auto 8px;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, #c99a13, #fff4b8, #1d2764);
  box-shadow: 0 10px 28px rgba(29,39,100,0.18);
}

.certificate-photo,
.certificate-photo-fallback {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 4px solid #ffffff;
  background: #f7f2df;
}

.certificate-photo-fallback {
  display: grid;
  place-items: center;
  font-size: 3rem;
}

@media (max-width: 576px) {
  .hero-avatar-wrap {
    flex-direction: column;
    text-align: center;
  }

  .avatar-circle,
  .hero-avatar {
    width: 92px;
    height: 92px;
  }
}

@media print {
  @page { size: A4 landscape; margin: 10mm; }
  .certificate-photo-frame {
    width: 102px !important;
    height: 102px !important;
    margin: 14px auto 4px !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .certificate-photo,
  .certificate-photo-fallback {
    width: 100% !important;
    height: 100% !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}


/* GradeUp no-code settings + controlled static media upgrade */
body.app-theme-ocean .dashboard-screen,
body.app-theme-ocean .profile-screen,
body.app-theme-ocean .study-screen,
body.app-theme-ocean .certificate-screen,
body.app-theme-ocean .gradeup-screen,
body.app-theme-ocean.admin-screen,
body.app-theme-ocean .admin-screen { background: radial-gradient(circle at top left, rgba(0,234,255,.28), transparent 34%), linear-gradient(135deg,#061526,#0b3663,#0a1028); }
body.app-theme-royal .dashboard-screen,
body.app-theme-royal .profile-screen,
body.app-theme-royal .study-screen,
body.app-theme-royal .certificate-screen,
body.app-theme-royal .gradeup-screen,
body.app-theme-royal.admin-screen,
body.app-theme-royal .admin-screen { background: radial-gradient(circle at top left, rgba(255,215,0,.18), transparent 34%), linear-gradient(135deg,#160722,#35106b,#090716); }
body.app-theme-sunset .dashboard-screen,
body.app-theme-sunset .profile-screen,
body.app-theme-sunset .study-screen,
body.app-theme-sunset .certificate-screen,
body.app-theme-sunset .gradeup-screen,
body.app-theme-sunset.admin-screen,
body.app-theme-sunset .admin-screen { background: radial-gradient(circle at top left, rgba(255,215,0,.22), transparent 34%), linear-gradient(135deg,#25071f,#7a194d,#1b0b20); }
body.app-theme-forest .dashboard-screen,
body.app-theme-forest .profile-screen,
body.app-theme-forest .study-screen,
body.app-theme-forest .certificate-screen,
body.app-theme-forest .gradeup-screen,
body.app-theme-forest.admin-screen,
body.app-theme-forest .admin-screen { background: radial-gradient(circle at top left, rgba(187,255,206,.22), transparent 34%), linear-gradient(135deg,#041b16,#0f5132,#08130d); }
body.app-theme-light { --text-light:#101827; --text-soft:#354152; --glass:rgba(255,255,255,.78); --glass-border:rgba(20,32,50,.14); }
body.app-theme-light .dashboard-screen,
body.app-theme-light .profile-screen,
body.app-theme-light .study-screen,
body.app-theme-light .certificate-screen,
body.app-theme-light .gradeup-screen,
body.app-theme-light.admin-screen,
body.app-theme-light .admin-screen { background: linear-gradient(135deg,#eef7ff,#fff7ec,#f4f0ff); color:#101827; }

.study-image-wrap {
  width: 100%;
  min-height: 210px;
  border-radius: 24px;
  background: rgba(255,255,255,.9);
  display: grid;
  place-items: center;
  padding: 12px;
  overflow: hidden;
}
.study-placeholder-wrap { background: rgba(255,255,255,.12); }
.study-image {
  width: 100%;
  height: 210px;
  max-height: 210px;
  object-fit: contain;
  object-position: center;
  background: #ffffff;
  padding: 10px;
  animation: none !important;
}
html[data-notes-image-mode="cover-card"] .study-image { object-fit: cover; padding: 0; }
@media (max-width: 760px) { .study-image, .study-image-wrap { height: auto; min-height: 220px; max-height: none; } .study-image { height: 220px; } }

.avatar-circle,
.big-avatar,
.mini-avatar-emoji,
.certificate-photo-frame {
  background: linear-gradient(135deg,#fff9df,#eef8ff) !important;
  color: #16192e;
  border: 1px solid rgba(255,255,255,.85);
}
body.avatar-bg-sky .avatar-circle,
body.avatar-bg-sky .big-avatar,
body.avatar-bg-sky .mini-avatar-emoji,
body.avatar-bg-sky .certificate-photo-frame { background: linear-gradient(135deg,#e0f2ff,#ffffff) !important; }
body.avatar-bg-mint .avatar-circle,
body.avatar-bg-mint .big-avatar,
body.avatar-bg-mint .mini-avatar-emoji,
body.avatar-bg-mint .certificate-photo-frame { background: linear-gradient(135deg,#e5fff1,#ffffff) !important; }
body.avatar-bg-lavender .avatar-circle,
body.avatar-bg-lavender .big-avatar,
body.avatar-bg-lavender .mini-avatar-emoji,
body.avatar-bg-lavender .certificate-photo-frame { background: linear-gradient(135deg,#f2e8ff,#ffffff) !important; }
.profile-image-avatar,
.dashboard-avatar-img,
.result-avatar-img,
.profile-big-img,
.hall-profile-thumb,
.mini-avatar-emoji img,
.certificate-photo {
  object-fit: cover !important;
  object-position: center !important;
  image-rendering: auto;
}
.hero-avatar { display:grid; place-items:center; }
.settings-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap:14px; }
.settings-switch { padding:12px 14px; border-radius:16px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); font-weight:700; }
.settings-switch input { margin-right:8px; }
.settings-actions { grid-column:1/-1; display:flex; gap:14px; align-items:center; flex-wrap:wrap; }

/* Mobile navigation and action button safety fix */
.dashboard-nav,
.result-actions,
.quiz-nav-buttons,
.dashboard-actions,
.settings-actions {
  position: relative;
  z-index: 5;
}

.dashboard-nav {
  gap: 12px;
  flex-wrap: wrap;
}

.dashboard-nav .creator-logo {
  min-width: 0;
  flex: 1 1 auto;
}

.dashboard-nav .app-brand,
.dashboard-nav .app-brand h1,
.dashboard-nav h6,
.dashboard-nav small,
.dashboard-nav p {
  max-width: 100%;
  overflow-wrap: anywhere;
}

.dashboard-nav .logout-btn {
  flex: 0 0 auto;
  white-space: nowrap;
  position: static !important;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
}

.result-actions .btn,
.dashboard-actions .btn,
.quiz-nav-buttons .btn,
.settings-actions .btn {
  white-space: normal;
  text-align: center;
  line-height: 1.25;
}

@media (max-width: 640px) {
  .dashboard-screen,
  .profile-screen,
  .study-screen,
  .quiz-screen,
  .certificate-screen,
  .admin-screen,
  .reward-screen,
  .result-screen,
  .review-screen,
  .leaderboard-screen,
  .achievements-screen {
    padding: 12px;
  }

  .dashboard-nav {
    width: 100%;
    padding: 14px;
    border-radius: 20px;
    align-items: stretch;
    justify-content: flex-start;
  }

  .dashboard-nav .creator-logo {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .dashboard-nav .app-brand h1,
  .dashboard-nav h1,
  .dashboard-nav h6 {
    font-size: clamp(1.35rem, 8vw, 2rem) !important;
    line-height: 1.05;
    margin: 0;
  }

  .dashboard-nav small,
  .dashboard-nav p {
    font-size: 0.78rem;
    margin: 0;
  }

  .dashboard-nav .logout-btn {
    width: 100%;
    display: block;
    margin-top: 8px;
    padding: 11px 12px;
  }

  .dashboard-container,
  .profile-container,
  .study-container,
  .quiz-container,
  .result-container,
  .review-container,
  .reward-container,
  .leaderboard-container,
  .achievement-container,
  .admin-container {
    margin-top: 16px;
  }

  .result-actions,
  .dashboard-actions,
  .quiz-nav-buttons,
  .settings-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .result-actions .btn,
  .dashboard-actions .btn,
  .quiz-nav-buttons .btn,
  .settings-actions .btn {
    width: 100%;
    margin: 0 !important;
    padding: 12px 14px;
  }
}

@media (min-width: 641px) and (max-width: 900px) {
  .dashboard-nav .logout-btn {
    margin-left: auto;
  }

  .result-actions .btn,
  .dashboard-actions .btn,
  .quiz-nav-buttons .btn {
    flex: 1 1 180px;
  }
}