* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  font-family: inherit;
}

/* Ensure all form elements and heading levels inherit the body font
   (Tailwind CDN preflight resets buttons/inputs/selects to system fonts) */
input, button, select, textarea, optgroup, option,
h1, h2, h3, h4, h5, h6, p, span, a, label, li {
  font-family: inherit;
}

html {
  height: 100%;
}

body {
  font-family: 'Lexend', sans-serif;
  background-color: #F5F7FB;
  background-image:
    radial-gradient(#18cb9611 1.5px, transparent 1.5px),
    radial-gradient(#18cb9611 1.5px, #F5F7FB 1.5px);
  background-size: 60px 60px;
  background-position: 0 0, 30px 30px;
  color: #374151;
  /* removed overflow:hidden — each page controls its own scroll */
  min-height: 100%;
}

/* ─── SIGNUP PAGE ─────────────────────────────── */
.signup-page {
  position: relative;
  min-height: 100dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.signup-main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: clamp(16px, 4vw, 32px) clamp(12px, 4vw, 24px);
  padding-bottom: max(clamp(16px, 4vw, 32px), env(safe-area-inset-bottom, 16px));
}

.signup-card {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border-radius: clamp(20px, 5vw, 28px);
  box-shadow: 0 20px 60px -12px rgba(24,203,150,0.15), 0 8px 24px -4px rgba(0,0,0,0.08);
  overflow: hidden;
}

/* On very small screens (≤ 380px) remove side margins and round only top */
@media (max-width: 400px) {
  .signup-main {
    padding-left: 0;
    padding-right: 0;
    align-items: flex-start;
  }
  .signup-card {
    border-radius: 0 0 24px 24px;
    max-width: 100%;
    box-shadow: 0 8px 32px -8px rgba(24,203,150,0.2);
  }
}

/* ── Hero banner ── */
.signup-hero {
  position: relative;
  background: linear-gradient(145deg, #12a87a 0%, #18cb96 55%, #34d9a8 100%);
  padding: clamp(20px, 5vw, 28px) clamp(16px, 5vw, 24px) clamp(24px, 6vw, 32px);
  overflow: hidden;
  text-align: center;
}

.hero-bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  pointer-events: none;
}
.hero-bubble-1 { width: 140px; height: 140px; top: -50px; right: -40px; }
.hero-bubble-2 { width: 80px;  height: 80px;  bottom: -20px; left: 20px; }
.hero-bubble-3 { width: 50px;  height: 50px;  top: 20px; left: -10px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 12px;
  font-family: 'Lexend', sans-serif;
  border: 1px solid rgba(255,255,255,0.3);
}

.hero-icon-ring {
  width: 68px;
  height: 68px;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 10px;
}

.hero-title {
  font-family: 'Fredoka', sans-serif;
  font-size: clamp(1.4rem, 5vw, 1.75rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 4px;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.hero-sub {
  font-family: 'Noto Sans Malayalam', 'Lexend', sans-serif;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.8);
  margin: 0 0 14px;
  font-weight: 500;
}

.hero-subjects {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: 'Lexend', sans-serif;
  padding: 3px 9px 3px 6px;
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.25);
}

/* ── Form wrapper ── */
.signup-form-wrap {
  padding: clamp(18px, 5vw, 24px);
}

.form-heading {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 2px;
}

.form-sub {
  font-size: 0.78rem;
  color: #9ca3af;
  font-family: 'Lexend', sans-serif;
  margin: 0 0 16px;
}

/* ── Input group ── */
.input-group {
  display: flex;
  align-items: center;
  background: #f8fafc;
  border: 1.5px solid #e9eef4;
  border-radius: 14px;
  padding: 0 14px;
  height: 52px;
  gap: 10px;
  margin-bottom: 10px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.input-group:focus-within {
  border-color: #18cb96;
  box-shadow: 0 0 0 3px rgba(24,203,150,0.12);
  background: #fff;
}

.input-icon {
  font-size: 1.1rem;
  color: #94a3b8;
  flex-shrink: 0;
  user-select: none;
  transition: color 0.2s;
}

.input-group:focus-within .input-icon {
  color: #18cb96;
}

.field-input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.875rem;
  font-family: 'Lexend', sans-serif;
  color: #374151;
  height: 100%;
  min-width: 0;
  /* Prevents iOS auto-zoom on focus (font-size must be ≥ 16px or use transform) */
  font-size: 16px;
}

.field-input::placeholder {
  color: #b0bec9;
  font-size: 0.82rem;
}

.field-select {
  appearance: none;
  cursor: pointer;
}

/* Two-column row: parent name + class */
.input-row {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap; /* side by side by default */
}

.input-row .input-group {
  margin-bottom: 10px;
}

/* Stack vertically on very narrow screens */
@media (max-width: 360px) {
  .input-row {
    flex-direction: column;
    gap: 0;
  }
  .input-row .input-group {
    width: 100% !important;
  }
}

/* ── Submit button ── */
.btn-signup {
  width: 100%;
  height: 56px;
  background: linear-gradient(135deg, #12a87a 0%, #18cb96 100%);
  color: #fff;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 6px;
  box-shadow: 0 6px 0 0 #0e8c6a, 0 8px 24px -4px rgba(24,203,150,0.4);
  transition: transform 0.1s, box-shadow 0.1s, filter 0.1s;
  font-family: 'Lexend', sans-serif;
  /* min touch target */
  min-height: 48px;
}

.btn-signup:hover {
  filter: brightness(1.04);
}

.btn-signup:active {
  transform: translateY(3px);
  box-shadow: 0 3px 0 0 #0e8c6a, 0 4px 12px -4px rgba(24,203,150,0.3);
}

.btn-signup:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn-signup-text {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.btn-signup-arrow {
  font-size: 1.3rem;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  padding: 2px;
  flex-shrink: 0;
}

.form-footer {
  text-align: center;
  font-size: 0.7rem;
  color: #b0bec9;
  font-family: 'Lexend', sans-serif;
  margin-top: 12px;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
}

/* ─── SCREENS (legacy SPA — kept for safety) ─── */
.screen {
  display: none;
  position: fixed;
  inset: 0;
  overflow-y: auto;
}
.screen.active {
  display: block;
}

/* ─── DECORATIVE ICONS ────────────────────────── */
.edu-decor,
.edu-decor-orange {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.edu-decor {
  color: #18cb96;
  opacity: 0.12;
}
.edu-decor-orange {
  color: #ec5b13;
  opacity: 0.15;
}

/* ─── SUBJECT PAGE ────────────────────────────── */
.subjects-page {
  min-height: 100dvh;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* ── Top bar ── */
.subjects-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(135deg, #12a87a 0%, #18cb96 100%);
  padding-top: max(0px, env(safe-area-inset-top, 0px));
  box-shadow: 0 2px 12px rgba(24,203,150,0.25);
}

.subjects-topbar-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: 14px clamp(14px, 4vw, 20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

.topbar-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255,255,255,0.22);
  border: 1.5px solid rgba(255,255,255,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.topbar-title {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-grade {
  font-family: 'Lexend', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.28);
  padding: 3px 10px;
  border-radius: 9999px;
}

.topbar-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  color: #12a87a;
  font-family: 'Fredoka', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border: 2px solid rgba(255,255,255,0.7);
}

/* ── Main area ── */
.subjects-main {
  flex: 1;
  padding-bottom: max(32px, env(safe-area-inset-bottom, 16px));
}

.subjects-container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 clamp(14px, 4vw, 20px);
}

/* ── Welcome hero ── */
.subjects-hero {
  padding: clamp(20px, 5vw, 28px) 0 clamp(16px, 4vw, 22px);
}

.subjects-greeting {
  font-family: 'Lexend', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: #6b7280;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.subjects-greeting strong {
  color: #111827;
  font-weight: 700;
}

.subjects-headline {
  font-family: 'Fredoka', sans-serif;
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  font-weight: 700;
  color: #111827;
  margin: 0 0 16px;
  line-height: 1.2;
}

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

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Lexend', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: #374151;
}

.stat-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #d1d5db;
  flex-shrink: 0;
}

/* ── Section label ── */
.subjects-section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin-bottom: 12px;
}

/* ── Subject list (horizontal cards) ── */
.subjects-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.subj-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.055);
  border: 1.5px solid #f1f5f9;
  overflow: hidden;
  padding: 14px 14px 14px 0;
  position: relative;
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s;
  min-height: 76px;
}

.subj-card:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
}

.subj-card:active {
  transform: scale(0.98);
  box-shadow: 0 1px 6px rgba(0,0,0,0.07);
}

/* Left accent bar */
.subj-accent {
  width: 5px;
  align-self: stretch;
  flex-shrink: 0;
  border-radius: 0 4px 4px 0;
}

/* Icon container */
.subj-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.subj-icon-sym {
  font-size: 1.75rem;
}

/* Text info */
.subj-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.subj-name {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #111827;
  margin: 0;
  line-height: 1.2;
}

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

.subj-tag-pill {
  font-family: 'Lexend', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 9999px;
}

.subj-lesson-count {
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Arrow button */
.subj-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.subj-card:hover .subj-arrow {
  transform: translateX(3px);
}

/* ── Hero bottom row (stats + rewards button) ── */
.subjects-hero-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── Rewards scroll button ── */
.btn-rewards-scroll {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Lexend', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: #f59e0b;
  background: #fffbeb;
  border: 1.5px solid #fde68a;
  border-radius: 9999px;
  padding: 6px 14px 6px 10px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-rewards-scroll:hover {
  background: #fef3c7;
  box-shadow: 0 4px 12px rgba(245,158,11,0.18);
  transform: translateY(-1px);
}
.btn-rewards-scroll:active { transform: scale(0.97); }

/* ── Rewards section ── */
.rewards-section {
  margin-top: clamp(28px, 6vw, 40px);
  scroll-margin-top: 72px;
}

.rewards-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.rewards-sub {
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  color: #94a3b8;
  margin: 0;
}

.rewards-xp-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: 'Fredoka', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: #f59e0b;
  background: #fffbeb;
  border: 1.5px solid #fde68a;
  padding: 4px 12px;
  border-radius: 9999px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Badge grid ── */
.rewards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.badge-card {
  background: #fff;
  border-radius: 16px;
  border: 1.5px solid #f1f5f9;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  padding: 14px 10px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.badge-card.badge-locked {
  opacity: 0.72;
  filter: grayscale(30%);
}

.badge-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.badge-name {
  font-family: 'Fredoka', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #111827;
  margin: 0;
  line-height: 1.2;
}

.badge-desc {
  font-family: 'Lexend', sans-serif;
  font-size: 0.62rem;
  color: #94a3b8;
  margin: 0;
  line-height: 1.3;
}

.badge-lock {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 18px;
  height: 18px;
  background: #e2e8f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
}

/* ── Rewards info note ── */
.rewards-note {
  font-family: 'Lexend', sans-serif;
  font-size: 0.7rem;
  color: #94a3b8;
  text-align: center;
  margin: 14px 0 0;
}

/* ── Subjects page footer ── */
.subjects-footer {
  text-align: center;
  font-family: 'Lexend', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  color: #b0bec9;
  letter-spacing: 0.04em;
  margin-top: clamp(24px, 5vw, 36px);
  padding-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

/* ─── REWARDS PAGE ───────────────────────────── */
.rewards-page {
  min-height: 100dvh;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

.topbar-back-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 1.5px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
  transition: background 0.15s;
}
.topbar-back-btn:hover { background: rgba(255,255,255,0.3); }

.rewards-page-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(24px, 5vw, 36px) 0 clamp(20px, 4vw, 28px);
}

.rewards-trophy-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #fffbeb;
  border: 3px solid #fde68a;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 6px 24px rgba(245,158,11,0.2);
}

.rewards-page-title {
  font-family: 'Fredoka', sans-serif;
  font-size: clamp(1.6rem, 5vw, 2rem);
  font-weight: 700;
  color: #111827;
  margin: 0 0 6px;
}

.rewards-page-sub {
  font-family: 'Lexend', sans-serif;
  font-size: 0.82rem;
  color: #6b7280;
  margin: 0 0 20px;
  max-width: 280px;
  line-height: 1.5;
}

.rewards-progress-wrap {
  width: 100%;
  max-width: 320px;
}

.rewards-progress-labels {
  display: flex;
  justify-content: space-between;
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 6px;
}

.rewards-progress-track {
  height: 10px;
  border-radius: 9999px;
  background: #e9eef4;
  overflow: hidden;
}

.rewards-progress-fill {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
  box-shadow: 0 0 8px rgba(245,158,11,0.4);
  transition: width 0.8s ease;
}

/* CTA button back to subjects */
.btn-rewards-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 52px;
  background: linear-gradient(135deg, #12a87a 0%, #18cb96 100%);
  color: #fff;
  font-family: 'Lexend', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 14px;
  text-decoration: none;
  margin-top: 24px;
  box-shadow: 0 6px 0 0 #0e8c6a, 0 8px 20px -4px rgba(24,203,150,0.35);
  transition: filter 0.15s, transform 0.1s;
}
.btn-rewards-cta:hover { filter: brightness(1.04); }
.btn-rewards-cta:active {
  transform: translateY(3px);
  box-shadow: 0 3px 0 0 #0e8c6a;
}

/* ─── LESSONS PAGE ────────────────────────────── */
.lessons-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* ── Scrollable map wrapper ── */
.lessons-map-wrap {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  /* leave room for the fixed footer */
  padding-bottom: max(110px, calc(env(safe-area-inset-bottom, 0px) + 110px));
}

.lessons-map-inner {
  position: relative;
  max-width: 440px;
  margin: 0 auto;
  padding: clamp(20px,5vw,32px) clamp(16px,5vw,24px) 24px;
  display: flex;
  flex-direction: column;
  gap: clamp(22px,5vw,34px);
}

/* ── Decorative SVG path ── */
.lessons-path-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
}

/* ── Map rows (zigzag positions) ── */
.map-row {
  display: flex;
  position: relative;
  z-index: 10;
}
.map-row-center  { justify-content: center; }
.map-row-right   { justify-content: flex-end;   padding-right: 8%; }
.map-row-left    { justify-content: flex-start;  padding-left: 8%; }

/* ── Node wrapper (node + label stacked) ── */
.map-node-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* Size override for map nodes — inherits .level-node */
.map-node {
  width: 72px;
  height: 72px;
}

/* ── Node label ── */
.map-node-label {
  text-align: center;
  max-width: 108px;
}

.map-node-title {
  font-family: 'Fredoka', sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
  line-height: 1.3;
}

.map-node-sub {
  font-family: 'Lexend', sans-serif;
  font-size: 0.67rem;
  color: #64748b;
  margin: 3px 0 0;
  line-height: 1.3;
}

.map-node-dim {
  color: #94a3b8;
}

/* ── Fixed CTA footer ── */
.lessons-cta-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
  background: rgba(245, 247, 251, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(148, 163, 184, 0.15);
}

.lessons-cta-tag {
  font-family: 'Fredoka', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0;
}

/* ─── LEVEL MAP ───────────────────────────────── */
.level-node {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 10;
  transition: transform 0.1s;
  flex-shrink: 0;
}
.level-active {
  background: #18cb96;
  box-shadow: 0 6px 0 0 #12a378, inset 0 -4px 0 0 rgba(255,255,255,0.2);
  cursor: pointer;
  border: none;
}
.level-active:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 0 #12a378;
}
.level-locked {
  width: 60px;
  height: 60px;
  background: #cbd5e1;
  box-shadow: 0 6px 0 0 #94a3b8;
  cursor: not-allowed;
  opacity: 0.8;
}
.level-trophy {
  width: 76px;
  height: 76px;
  background: #e2e8f0;
  border: 2px dashed #94a3b8;
  cursor: not-allowed;
  opacity: 0.6;
}
.level-check {
  position: absolute;
  top: -8px;
  right: -8px;
  background: #facc15;
  color: #fff;
  border-radius: 50%;
  padding: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  display: flex;
}
.now-playing-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #18cb96;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(24,203,150,0.3);
  padding: 2px 8px;
  border-radius: 9999px;
  font-family: 'Fredoka', sans-serif;
  margin-top: 4px;
}
.btn-continue {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 288px;
  height: 60px;
  background: #18cb96;
  box-shadow: 0 6px 0 0 #12a378, inset 0 -4px 0 0 rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  font-family: 'Fredoka', sans-serif;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.1s;
  text-decoration: none;
}
.btn-continue:active {
  transform: translateY(4px) scale(0.98);
  box-shadow: 0 2px 0 0 #12a378;
}

/* ─── FLOATING ANIMATION ──────────────────────── */
@keyframes float {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}
.floating { animation: float 4s ease-in-out infinite; }
.floating-delayed { animation: float 4s ease-in-out 2s infinite; }

/* ─── LESSON PAGE ─────────────────────────────── */
.lesson-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  /* subtle card shadow on wide screens */
  box-shadow: 0 0 60px rgba(0,0,0,0.06);
}

.lesson-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid rgba(148,163,184,0.15);
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top, 12px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  transition: background 0.15s;
  flex-shrink: 0;
  text-decoration: none;
}
.icon-btn:hover { background: #f1f5f9; }

.lesson-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
}

.lesson-footer {
  padding: 12px 16px;
  padding-bottom: max(20px, env(safe-area-inset-bottom, 20px));
  border-top: 1px solid rgba(148,163,184,0.15);
  background: #fff;
  position: sticky;
  bottom: 0;
  z-index: 40;
}

/* ── Video placeholder ── */
.video-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 16px;
  background: #1e293b;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f4c35 100%);
  opacity: 0.9;
}
.video-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
}
.play-btn {
  position: relative;
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #18cb96;
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(24,203,150,0.5);
  transition: transform 0.2s;
}
.play-btn:hover { transform: scale(1.1); }
.play-btn:active { transform: scale(0.95); }

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 12px 10px;
  z-index: 10;
}
.progress-bar-wrap {
  display: flex;
  align-items: center;
  height: 4px;
  margin-bottom: 5px;
}
.progress-fill {
  height: 4px;
  width: 33%;
  border-radius: 9999px;
  background: #18cb96;
  box-shadow: 0 0 10px rgba(24,203,150,0.5);
}
.progress-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #18cb96;
  margin-left: -4px;
  flex-shrink: 0;
}
.progress-empty {
  flex: 1;
  height: 4px;
  border-radius: 9999px;
  background: rgba(255,255,255,0.3);
}

/* ── Quiz card ── */
.quiz-card {
  border-radius: 16px;
  background: #f8fafc;
  padding: 16px;
  border: 1.5px solid #eef2f7;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.quiz-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 9999px;
  background: rgba(24,203,150,0.1);
  color: #18cb96;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: 'Lexend', sans-serif;
}
.quiz-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1.5px solid #e9eef4;
  background: #fff;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  font-family: 'Lexend', sans-serif;
  gap: 10px;
  /* min touch target */
  min-height: 48px;
}
.quiz-option:active { background: #f0fdf8; }
.quiz-option.selected {
  border: 2px solid #18cb96;
  background: rgba(24,203,150,0.04);
}
.quiz-option.selected .option-radio::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #18cb96;
  display: block;
}
.option-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #d1d9e2;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s;
}
.quiz-option.selected .option-radio { border-color: #18cb96; }

.btn-check {
  width: 100%;
  height: 50px;
  border-radius: 13px;
  background: #18cb96;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: 'Lexend', sans-serif;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(24,203,150,0.3);
  transition: filter 0.15s, transform 0.1s;
  /* min touch target */
  min-height: 48px;
}
.btn-check:hover { filter: brightness(1.05); }
.btn-check:active { transform: scale(0.98); }

/* Result states */
.result-correct { border-color: #18cb96 !important; background: rgba(24,203,150,0.06) !important; }
.result-wrong   { border-color: #f43f5e !important; background: rgba(244,63,94,0.06) !important; }
.result-answer  { border-color: #18cb96 !important; background: rgba(24,203,150,0.1) !important; }

/* ─── WAITING PAGE ────────────────────────────── */
.waiting-page {
  position: relative;
  min-height: 100dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.waiting-main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: clamp(16px, 4vw, 32px) clamp(12px, 4vw, 24px);
  padding-bottom: max(clamp(16px, 4vw, 32px), env(safe-area-inset-bottom, 16px));
}

.waiting-card {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border-radius: clamp(20px, 5vw, 28px);
  box-shadow: 0 24px 64px -12px rgba(24,203,150,0.18), 0 8px 24px -4px rgba(0,0,0,0.07);
  overflow: hidden;
}

@media (max-width: 400px) {
  .waiting-main {
    padding-left: 0;
    padding-right: 0;
    align-items: flex-start;
  }
  .waiting-card {
    border-radius: 0 0 24px 24px;
    max-width: 100%;
  }
}

/* ── Hero banner ── */
.waiting-hero {
  position: relative;
  background: linear-gradient(145deg, #12a87a 0%, #18cb96 55%, #36dca8 100%);
  padding: clamp(28px, 6vw, 36px) clamp(16px, 5vw, 24px) clamp(28px, 6vw, 36px);
  overflow: hidden;
  text-align: center;
}

/* ── Animated check ring ── */
.waiting-check-ring {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
  border: 2.5px solid rgba(255,255,255,0.45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  animation: pop-in 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}

.waiting-check-icon {
  font-size: 2.8rem;
  color: #fff;
  animation: pop-in 0.55s 0.1s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes pop-in {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.waiting-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.22);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 9999px;
  margin-bottom: 12px;
  font-family: 'Lexend', sans-serif;
  border: 1px solid rgba(255,255,255,0.3);
}

.waiting-hero-title {
  font-family: 'Fredoka', sans-serif;
  font-size: clamp(1.7rem, 6vw, 2.1rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 10px rgba(0,0,0,0.12);
  line-height: 1.2;
}

.waiting-hero-sub {
  font-family: 'Lexend', sans-serif;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.82);
  margin: 0;
  font-weight: 500;
}

/* ── Body ── */
.waiting-body {
  padding: clamp(20px, 5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Camp starts card ── */
.waiting-starts-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, #f0fdf8 0%, #e8faf4 100%);
  border: 1.5px solid rgba(24,203,150,0.25);
  border-radius: 18px;
  padding: 16px 18px;
}

.waiting-starts-left {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(24,203,150,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.waiting-starts-info {
  flex: 1;
  min-width: 0;
}

.waiting-starts-label {
  font-family: 'Lexend', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #18cb96;
  margin: 0 0 3px;
}

.waiting-starts-date {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 2px;
  line-height: 1.2;
}

.waiting-starts-sub {
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  color: #6b7280;
  margin: 0;
  font-weight: 500;
}

/* ── Countdown ── */
.waiting-countdown-wrap {
  text-align: center;
}

.waiting-countdown-title {
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.waiting-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.countdown-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: #f8fafc;
  border: 1.5px solid #e9eef4;
  border-radius: 14px;
  padding: 12px 10px 8px;
  min-width: 64px;
}

.countdown-num {
  font-family: 'Fredoka', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #111827;
  line-height: 1;
  letter-spacing: 0.02em;
}

.countdown-label {
  font-family: 'Lexend', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
}

.countdown-sep {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: #d1d5db;
  line-height: 1;
  padding-bottom: 14px;
}

/* ── Subject chips ── */
.waiting-section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Lexend', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin-bottom: 10px;
}

.waiting-subjects-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.waiting-subj-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Lexend', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 9999px;
  border: 1.5px solid;
}

/* ── Info pills row ── */
.waiting-info-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.waiting-info-pill {
  flex: 1;
  min-width: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: #f8fafc;
  border: 1.5px solid #e9eef4;
  border-radius: 12px;
  padding: 10px 8px;
  font-family: 'Lexend', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: #374151;
  text-align: center;
}

/* ── WhatsApp note ── */
.waiting-whatsapp-note {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f0fdf4;
  border: 1.5px solid #bbf7d0;
  border-radius: 14px;
  padding: 14px 16px;
}

.waiting-whatsapp-note p {
  font-family: 'Lexend', sans-serif;
  font-size: 0.8rem;
  color: #374151;
  margin: 0;
  line-height: 1.5;
}

.waiting-whatsapp-note strong {
  color: #111827;
  font-weight: 700;
}

/* ── Footer note ── */
.waiting-footer-note {
  text-align: center;
  font-size: 0.68rem;
  color: #b0bec9;
  font-family: 'Lexend', sans-serif;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}