:root {
  --sky: #e8f4ff;
  --blue: #3b9ed4;
  --navy: #1a3a5c;
  --green: #2ecc71;
  --yellow: #ffd93d;
  --orange: #ff8c42;
  --pink: #ff6b9d;
  --purple: #9b59b6;
  --red: #e74c3c;
  --white: #ffffff;
  --text: #1a2332;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Nunito", sans-serif;
  background: var(--sky);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 48px;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255, 217, 61, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(59, 158, 212, 0.15) 0%, transparent 45%);
}

button {
  font: inherit;
}

.hidden {
  display: none !important;
}

/* ── Welcome overlay ───────────────────────────────────────────────────────── */
.welcome-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.welcome-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(30, 41, 59, 0.5);
}
.welcome-card {
  position: relative;
  background: var(--white);
  border-radius: 24px;
  padding: 32px 28px;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.welcome-banner {
  display: inline-block;
  padding: 6px 14px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
}
.welcome-stars-row {
  display: flex;
  gap: 4px;
  font-size: 1.5rem;
}
.welcome-star {
  color: #e2e8f0;
}
.welcome-star.earned {
  color: var(--yellow);
}
.welcome-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy);
}
.welcome-sub {
  margin: 0;
  font-size: 1rem;
  color: #475569;
  line-height: 1.5;
}
.welcome-week-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.welcome-week-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e2e8f0;
  transition: background 0.2s;
}
.welcome-week-dot.filled {
  background: var(--green);
}
.welcome-name-wrap {
  width: 100%;
}
.welcome-name-wrap input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  font-family: inherit;
  box-sizing: border-box;
}
.welcome-name-wrap input:focus {
  outline: none;
  border-color: var(--blue);
}
.welcome-name-wrap input::placeholder {
  color: #94a3b8;
}
.welcome-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}
.welcome-btn {
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s;
}
.welcome-btn-primary {
  color: var(--white);
  background: var(--blue);
}
.welcome-btn-primary:hover {
  opacity: 0.9;
}
.welcome-btn-secondary {
  color: #475569;
  background: #f1f5f9;
}
.welcome-btn-secondary:hover {
  background: #e2e8f0;
}

header {
  width: 100%;
  background: var(--navy);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 3px 16px rgba(0, 0, 0, 0.2);
}

.logo {
  font-family: "Baloo 2", cursive;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}

.logo span {
  color: var(--yellow);
}

.early-access {
  font-size: 0.6rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.5px;
  text-transform: lowercase;
}

.header-badge {
  margin-left: auto;
  background: rgba(255, 217, 61, 0.2);
  border: 1.5px solid rgba(255, 217, 61, 0.5);
  color: var(--yellow);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 99px;
}

.breadcrumb-picker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 2px;
  margin: 4px 0 10px;
  font-size: 0.8rem;
}

.breadcrumb-segment {
  position: relative;
}

.breadcrumb-trigger {
  border: none;
  background: none;
  padding: 4px 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s;
}

.breadcrumb-trigger:hover {
  background: rgba(15, 23, 42, 0.08);
}

.breadcrumb-trigger::after {
  content: " ▼";
  font-size: 0.6em;
  opacity: 0.6;
}

.breadcrumb-sep {
  color: #94a3b8;
  font-weight: 600;
  margin: 0 2px;
  user-select: none;
}

.breadcrumb-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  min-width: 120px;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  padding: 6px 0;
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
}

.breadcrumb-dropdown.hidden {
  display: none;
}

.breadcrumb-dropdown button {
  display: block;
  width: 100%;
  border: none;
  background: none;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  color: var(--navy);
  transition: background 0.1s;
}

.breadcrumb-dropdown button:hover:not(.locked) {
  background: rgba(15, 23, 42, 0.06);
}

.breadcrumb-dropdown button.locked {
  color: #94a3b8;
  cursor: not-allowed;
}

.unit-label {
  position: absolute;
  top: 16px;
  left: 18px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #b0bac8;
  letter-spacing: 0.5px;
}

.stars-bar {
  display: flex;
  gap: 6px;
  align-items: center;
  margin: 18px 0 4px;
}

.star {
  font-size: 1.6rem;
  filter: grayscale(1) opacity(0.3);
  transition: all 0.3s;
}

.star.earned {
  filter: none;
  animation: starPop 0.4s ease;
}

@keyframes starPop {
  0% {
    transform: scale(0.5) rotate(-20deg);
  }

  60% {
    transform: scale(1.4) rotate(10deg);
  }

  100% {
    transform: scale(1) rotate(0);
  }
}

.mode-bar {
  display: flex;
  gap: 8px;
  margin: 10px 16px;
  background: var(--white);
  border-radius: 16px;
  padding: 6px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  max-width: 580px;
  width: calc(100% - 32px);
}

.mode-btn {
  flex: 1;
  padding: 10px 8px;
  border-radius: 12px;
  border: none;
  background: transparent;
  color: #94a3b8;
  font-weight: 800;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.mode-btn.active {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 3px 10px rgba(26, 58, 92, 0.3);
}

.voice-bar {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 8px 16px 0;
  flex-wrap: wrap;
}

.voice-btn {
  flex: none;
  padding: 8px 18px;
  border-radius: 99px;
  border: none;
  background: var(--white);
  color: #94a3b8;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  font-weight: 800;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.voice-btn.active {
  background: var(--navy);
  color: var(--white);
}

.tts-status {
  display: none; /* Hidden; TTS status still updated in JS for debugging if needed */
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 800;
}

.tts-status.ok {
  background: rgba(46, 204, 113, 0.12);
  color: #16a34a;
}

.tts-status.busy {
  background: rgba(59, 158, 212, 0.12);
  color: var(--blue);
}

.tts-status.error {
  background: rgba(231, 76, 60, 0.12);
  color: var(--red);
}

.tip-bar {
  background: rgba(59, 158, 212, 0.1);
  border: 1.5px solid rgba(59, 158, 212, 0.2);
  border-radius: 12px;
  padding: 9px 14px;
  font-size: 0.78rem;
  color: var(--navy);
  text-align: center;
  max-width: 580px;
  margin: 8px 16px 0;
  font-weight: 600;
  line-height: 1.5;
}

.app-footer {
  position: fixed;
  bottom: 16px;
  left: 16px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
}
.footer-sep {
  color: #94a3b8;
  user-select: none;
}

.corner-link,
.feedback-link {
  font-size: 0.82rem;
  color: #64748b;
  text-decoration: none;
  transition: color 0.2s;
}

.feedback-link {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.corner-link:hover,
.feedback-link:hover {
  color: var(--blue);
}

.feedback-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.feedback-modal.hidden {
  display: none;
}
.feedback-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}
.feedback-modal-content {
  position: relative;
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
}
.feedback-modal-content h2 {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: #1e293b;
}
.feedback-modal-hint {
  margin: 0 0 12px;
  font-size: 0.9rem;
  color: #64748b;
}
.feedback-modal-content input {
  width: 100%;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  box-sizing: border-box;
}
.feedback-modal-content input:focus {
  outline: none;
  border-color: var(--blue);
}
.feedback-modal-content textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
  box-sizing: border-box;
}
.feedback-modal-content textarea:focus {
  outline: none;
  border-color: var(--blue);
}
.feedback-modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  justify-content: flex-end;
}
.feedback-modal-btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
}
.feedback-modal-cancel {
  background: #f1f5f9;
  color: #64748b;
}
.feedback-modal-submit {
  background: var(--blue);
  color: white;
}
.feedback-modal-submit:hover {
  filter: brightness(1.05);
}
.feedback-modal-contact {
  margin: 0;
  font-size: 0.85rem;
  color: #64748b;
  text-align: center;
}
.feedback-modal-contact a {
  color: var(--blue);
  text-decoration: none;
}
.feedback-modal-contact a:hover {
  text-decoration: underline;
}
.feedback-modal-status {
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: #64748b;
}
.feedback-modal-status.success { color: #16a34a; }
.feedback-modal-status.error { color: #dc2626; }

.version-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.version-modal.hidden {
  display: none;
}
.version-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}
.version-modal-content {
  position: relative;
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
}
.version-modal-content h2 {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: #1e293b;
}
.version-modal-body {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.6;
}
.version-modal-status {
  margin: 12px 0 0;
  font-size: 0.9rem;
}
.version-modal-status.success { color: #16a34a; }
.version-modal-status.error { color: #dc2626; }
.version-modal-actions {
  margin-top: 20px;
}

.card-wrap {
  width: 100%;
  max-width: 620px;
  padding: 10px 16px 0;
}

.sentence-card {
  background: var(--white);
  border-radius: 28px;
  padding: 32px 28px 52px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1), 0 0 0 4px rgba(59, 158, 212, 0.08);
  position: relative;
  overflow: hidden;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  transition: box-shadow 0.3s;
}

.sentence-card.listening {
  animation: listenPulse 2s ease-in-out infinite;
}

@keyframes listenPulse {
  0%,
  100% {
    box-shadow: 0 8px 40px rgba(59, 158, 212, 0.25), 0 0 0 5px rgba(59, 158, 212, 0.3);
  }

  50% {
    box-shadow: 0 8px 50px rgba(59, 158, 212, 0.4), 0 0 0 9px rgba(59, 158, 212, 0.15);
  }
}

.sentence-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--blue),
    var(--green),
    var(--yellow),
    var(--orange),
    var(--pink)
  );
}

.sentence-num {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #b0bac8;
}

.sentence-emoji {
  font-size: 4rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-7px);
  }
}

.sentence-text {
  font-family: "Baloo 2", cursive;
  font-size: clamp(1.7rem, 6vw, 2.7rem);
  font-weight: 700;
  color: var(--text);
  text-align: center;
  line-height: 1.5;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 8px;
}

.word-span {
  position: relative;
  display: inline-block;
  padding: 3px 6px;
  border-radius: 10px;
  transition: all 0.25s;
  cursor: pointer;
  border-bottom: 3px solid transparent;
}

.word-span:hover {
  background: rgba(59, 158, 212, 0.1);
  color: var(--blue);
}

.word-span.pending {
  color: #cbd5e1;
  border-bottom-color: #e2e8f0;
}

.word-span.active {
  background: var(--yellow);
  color: var(--navy);
  transform: scale(1.12);
  box-shadow: 0 4px 14px rgba(255, 217, 61, 0.55);
  border-bottom-color: transparent;
}

.word-span.tts-active {
  background: var(--yellow);
  color: var(--navy);
  transform: scale(1.08);
  box-shadow: 0 3px 10px rgba(255, 217, 61, 0.45);
  border-bottom-color: transparent;
  transition: background 0.12s, transform 0.12s, box-shadow 0.12s;
}

.word-span.correct {
  background: rgba(46, 204, 113, 0.15);
  color: #16a34a;
  border-bottom-color: var(--green);
}

.word-span.missed {
  background: rgba(231, 76, 60, 0.12);
  color: var(--red);
  border-bottom-color: var(--red);
}

.word-span.done {
  color: var(--green);
}

.word-span.correct::after,
.word-span.missed::after {
  position: absolute;
  top: -10px;
  right: -4px;
  font-size: 0.65rem;
  font-weight: 900;
}

.word-span.correct::after {
  content: "✓";
  color: var(--green);
}

.word-span.missed::after {
  content: "✗";
  color: var(--red);
}

.sentence-card.tts-loading .word-span {
  color: #b0bec5;
  pointer-events: none;
  animation: wordPulse 1.6s ease-in-out infinite;
}

@keyframes wordPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.sentence-card.tts-loading .card-btn-left,
.sentence-card.tts-loading .card-btn-right {
  opacity: 0.4;
  pointer-events: none;
}

.tts-loading-indicator {
  display: none;
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: #94a3b8;
  font-weight: 600;
  white-space: nowrap;
}

.sentence-card.tts-loading .tts-loading-indicator {
  display: block;
}

.loading-dots span {
  animation: dotPulse 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(1) { animation-delay: 0s; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
  0%, 80%, 100% { opacity: 0.3; }
  40% { opacity: 1; }
}

.translation {
  font-size: 0.92rem;
  color: #94a3b8;
  font-weight: 600;
  text-align: center;
  min-height: 22px;
  font-style: italic;
}

.mic-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 800;
  transition: all 0.3s;
  margin: 12px auto 0;
  width: fit-content;
}

.mic-status.idle {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
}

.mic-status.ready {
  background: rgba(59, 158, 212, 0.12);
  color: var(--blue);
}

.mic-status.hearing {
  background: rgba(46, 204, 113, 0.15);
  color: #16a34a;
}

.mic-status.error {
  background: rgba(231, 76, 60, 0.12);
  color: var(--red);
}

.mic-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.mic-status.hearing .mic-dot {
  animation: blink 0.6s ease infinite alternate;
}

@keyframes blink {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0.3;
    transform: scale(0.7);
  }
}

.wave {
  display: flex;
  gap: 3px;
  align-items: center;
  height: 20px;
}

.wave-bar {
  width: 4px;
  height: 20px;
  background: currentColor;
  border-radius: 2px;
  transform: scaleY(0.16);
  transform-origin: 50% 100%;
  opacity: 0.35;
  transition: transform 80ms linear, opacity 80ms linear;
}

.wave-bar:nth-child(1) {
  height: 8px;
}

.wave-bar:nth-child(2) {
  height: 14px;
}

.wave-bar:nth-child(3) {
  height: 20px;
}

.wave-bar:nth-child(4) {
  height: 14px;
}

.wave-bar:nth-child(5) {
  height: 8px;
}

.score-chip {
  display: inline-flex;
  gap: 12px;
  background: var(--white);
  border-radius: 99px;
  padding: 6px 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  font-size: 0.8rem;
  font-weight: 800;
  margin: 8px auto 0;
}

.score-correct {
  color: var(--green);
}

.score-support {
  color: var(--blue);
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.ctrl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 13px 18px;
  border-radius: 18px;
  border: none;
  cursor: pointer;
  font-weight: 800;
  font-size: 0.76rem;
  transition: all 0.18s;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.ctrl-btn:hover:not(:disabled) {
  transform: translateY(-3px);
}

.ctrl-btn:active:not(:disabled) {
  transform: scale(0.96);
}

.ctrl-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.ctrl-btn .icon {
  font-size: 1.5rem;
}

.btn-listen {
  background: var(--blue);
  color: var(--white);
}

.card-btn-left,
.card-btn-right {
  position: absolute;
  bottom: 12px;
  flex-direction: row;
  padding: 8px 14px;
  border-radius: 14px;
  font-size: 0.72rem;
  gap: 4px;
  z-index: 2;
}

.card-btn-left {
  left: 12px;
}

.card-btn-right {
  right: 12px;
}

.card-btn-left .icon,
.card-btn-right .icon {
  font-size: 1.1rem;
}

.btn-play {
  background: rgba(59, 158, 212, 0.12);
  color: var(--blue);
}

.btn-listen.active {
  background: var(--red);
  animation: pulsebtn 1s infinite;
}

@keyframes pulsebtn {
  0%,
  100% {
    box-shadow: 0 4px 14px rgba(231, 76, 60, 0.3);
  }

  50% {
    box-shadow: 0 4px 26px rgba(231, 76, 60, 0.6);
  }
}

.btn-play {
  background: var(--purple);
  color: var(--white);
}

.btn-word {
  background: var(--orange);
  color: var(--white);
}

.btn-prev {
  background: var(--white);
  color: var(--navy);
  border: 2px solid #e2e8f0;
}

.btn-next {
  background: var(--green);
  color: var(--white);
}

/* Hide navigation buttons in review builds */
.btn-prev,
.btn-next {
  display: none;
}

.progress-dots {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid rgba(59, 158, 212, 0.3);
  background: rgba(59, 158, 212, 0.2);
  cursor: pointer;
  transition: all 0.3s;
}

button.dot {
  padding: 0;
}

.dot.current {
  background: var(--blue);
  border-color: var(--blue);
  transform: scale(1.3);
}

.dot.done2 {
  background: var(--green);
  border-color: var(--green);
}

.dot.locked {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.celebration {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 40px 24px;
}

.celebration.show {
  display: flex;
}

.celeb-emoji {
  font-size: 5rem;
  animation: bounce2 0.6s ease infinite alternate;
}

@keyframes bounce2 {
  from {
    transform: translateY(0);
  }

  to {
    transform: translateY(-16px);
  }
}

.celeb-title {
  font-family: "Baloo 2", cursive;
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
}

.celeb-sub {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.6;
}

.final-score {
  background: var(--white);
  border-radius: 20px;
  padding: 18px 32px;
  display: flex;
  gap: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.fs-val {
  font-family: "Baloo 2", cursive;
  font-size: 2.2rem;
  font-weight: 800;
}

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

.fs-val.red {
  color: var(--red);
}

.fs-val.blue {
  color: var(--blue);
}

.fs-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #94a3b8;
}

.restart-btn {
  padding: 14px 36px;
  border-radius: 99px;
  border: none;
  background: var(--blue);
  color: var(--white);
  font-weight: 800;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(59, 158, 212, 0.4);
  transition: all 0.2s;
}

.restart-btn:hover {
  transform: translateY(-3px);
}

.confetti-p {
  position: fixed;
  border-radius: 2px;
  pointer-events: none;
  animation: fall linear forwards;
  z-index: 999;
}

@keyframes fall {
  0% {
    transform: translateY(-10px) rotate(0);
    opacity: 1;
  }

  100% {
    transform: translateY(100vh) rotate(540deg);
    opacity: 0;
  }
}

@media (max-width: 480px) {
  .app-footer {
    left: 12px;
    bottom: 12px;
  }

  .sentence-card {
    padding: 26px 18px 20px;
  }

  .ctrl-btn {
    padding: 11px 12px;
  }

  .sentence-text {
    font-size: clamp(1.4rem, 7vw, 1.9rem);
  }

  .final-score {
    gap: 16px;
    padding: 18px 20px;
  }
}

/* ── Stats dashboard ───────────────────────────────────────────────────────── */
.stats-main {
  width: 100%;
  max-width: 480px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.stats-back {
  align-self: flex-start;
  font-size: 0.9rem;
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
}

.stats-back:hover {
  text-decoration: underline;
}

.stats-profile {
  width: 100%;
  max-width: 480px;
  padding: 14px 18px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  cursor: pointer;
  transition: background 0.2s;
}
.stats-profile:hover {
  background: #f8fafc;
}
.stats-profile-uid {
  font-size: 0.8rem;
  color: #64748b;
  font-family: monospace;
}
.stats-profile-uid.hidden {
  display: none;
}
.stats-profile-name {
  flex: 1;
  font-weight: 600;
  color: var(--navy);
  min-width: 0;
}
.stats-profile-name.stats-profile-prompt {
  font-weight: 500;
  color: var(--blue);
  font-size: 0.9rem;
}
.stats-profile-edit {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  font-size: 0.9rem;
  color: var(--blue);
  font-weight: 600;
  opacity: 0.9;
  transition: opacity 0.2s;
  flex-shrink: 0;
}
.stats-profile-edit:hover {
  opacity: 1;
}

.stats-name-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.stats-name-modal.hidden {
  display: none;
}
.stats-name-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}
.stats-name-modal-content {
  position: relative;
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
}
.stats-name-modal-content h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: #1e293b;
}
.stats-name-modal-hint {
  margin: 0 0 16px;
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.4;
}
.stats-name-modal-content input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  box-sizing: border-box;
  margin-bottom: 16px;
}
.stats-name-modal-content input:focus {
  outline: none;
  border-color: var(--blue);
}
.stats-name-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.stats-name-modal-cancel,
.stats-name-modal-save,
.stats-name-modal-clear {
  padding: 10px 20px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
}
.stats-name-modal-clear {
  background: transparent;
  color: #94a3b8;
  font-size: 0.85rem;
  cursor: pointer;
}
.stats-name-modal-clear:hover {
  color: #64748b;
}
.stats-name-modal-cancel {
  background: #f1f5f9;
  color: #64748b;
}
.stats-name-modal-save {
  background: var(--blue);
  color: var(--white);
  font-weight: 600;
}
.stats-name-modal-save:hover {
  opacity: 0.9;
}

.stats-loading {
  font-size: 0.95rem;
  color: #64748b;
}

.stats-total,
.stats-time {
  text-align: center;
  padding: 16px 24px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.stats-total-val,
.stats-time-val {
  display: block;
  font-family: "Baloo 2", cursive;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue);
}

.stats-total-lbl,
.stats-time-lbl {
  font-size: 0.85rem;
  color: #64748b;
}

.stats-weeks {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stats-week-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.stats-week-label {
  font-weight: 700;
  color: var(--navy);
  min-width: 56px;
}

.stats-week-stars {
  flex: 1;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.stats-week-stars .stars-filled {
  color: var(--yellow);
}

.stats-week-stars .stars-empty {
  color: #e2e8f0;
}

.stats-week-count {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
}

.stats-reset-btn {
  margin-top: 24px;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: #64748b;
  background: transparent;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
}
.stats-reset-btn:hover {
  color: #dc2626;
  border-color: #fecaca;
}

.stats-empty {
  text-align: center;
  padding: 32px 20px;
  color: #64748b;
}

.stats-empty a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.stats-empty a:hover {
  text-decoration: underline;
}

.debug-admin-link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}
.debug-admin-link:hover {
  text-decoration: underline;
}
.debug-troubleshoot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid #e2e8f0;
  font-size: 0.88rem;
  color: #475569;
}
.debug-troubleshoot summary {
  cursor: pointer;
  font-weight: 600;
  color: #1e293b;
}
.debug-troubleshoot ul {
  margin: 8px 0 0;
  padding-left: 20px;
  line-height: 1.6;
}
.debug-troubleshoot li {
  margin-bottom: 6px;
}

/* ── Admin dashboard ─────────────────────────────────────────────────────── */
.admin-main {
  width: 100%;
  max-width: 720px;
  padding: 80px 20px 40px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.admin-portal-note {
  margin: -8px 0 0;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(59, 158, 212, 0.1);
  border: 1px solid rgba(59, 158, 212, 0.25);
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.45;
}
.admin-portal-note a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}
.admin-portal-note a:hover {
  text-decoration: underline;
}
.admin-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.admin-loading,
.admin-error {
  text-align: center;
  padding: 32px 20px;
  color: #64748b;
}
.admin-error a {
  color: var(--blue);
  font-weight: 700;
}
.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}
.admin-card {
  background: var(--white);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  text-align: center;
}
.admin-card-val {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
}
.admin-card-lbl {
  font-size: 0.8rem;
  color: #64748b;
}
.admin-section {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}
.admin-section h2 {
  margin: 0 0 16px;
  font-size: 1rem;
  color: #1e293b;
}
.admin-chart-wrap {
  position: relative;
  height: 220px;
}
.admin-table-wrap {
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.admin-table th,
.admin-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}
.admin-table th {
  font-weight: 700;
  color: #64748b;
}
.admin-table code {
  font-size: 0.8rem;
  color: #64748b;
}
.admin-feedback-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.admin-feedback-item {
  padding: 12px;
  background: #f8fafc;
  border-radius: 8px;
  border-left: 4px solid var(--blue);
}
.admin-feedback-date {
  font-size: 0.8rem;
  color: #64748b;
  display: block;
  margin-bottom: 4px;
}
.admin-feedback-item p {
  margin: 0;
  font-size: 0.95rem;
  color: #334155;
}

/* ── About page ──────────────────────────────────────────────────────────── */
.about-main {
  width: 100%;
  max-width: 640px;
  padding: 80px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-hero {
  text-align: center;
  padding: 36px 24px 28px;
  background: linear-gradient(135deg, var(--white) 0%, #f0f9ff 100%);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(59, 158, 212, 0.12);
}
.about-hero-emoji {
  font-size: 2.8rem;
  margin-bottom: 8px;
}
.about-hero h1 {
  font-family: 'Baloo 2', cursive;
  font-size: 1.8rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.about-hero p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #475569;
  max-width: 420px;
  margin: 0 auto;
}

.about-section {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
.about-section h2 {
  font-family: 'Baloo 2', cursive;
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.about-icon {
  font-size: 1.2rem;
}
.about-section p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #334155;
}

.about-steps {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.93rem;
  line-height: 1.5;
  color: #334155;
}
.step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-weight: 800;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.about-tips {
  padding-left: 20px;
  font-size: 0.93rem;
  line-height: 1.7;
  color: #334155;
}
.about-tips li {
  margin-bottom: 8px;
}
.about-tips a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
}
.about-tips a:hover {
  text-decoration: underline;
}

.about-tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.tech-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 12px;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  gap: 4px;
}
.tech-emoji {
  font-size: 1.6rem;
  margin-bottom: 4px;
}
.tech-card strong {
  font-size: 0.85rem;
  color: var(--navy);
}
.tech-card span:last-child {
  font-size: 0.78rem;
  color: #64748b;
}

.changelog {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.changelog-entry {
  border-left: 3px solid var(--blue);
  padding-left: 16px;
}
.changelog-date {
  display: inline-block;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--blue);
  margin-bottom: 4px;
}
.changelog-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}
.tag-new {
  background: #dcfce7;
  color: #16a34a;
}
.tag-launch {
  background: #dbeafe;
  color: #2563eb;
}
.changelog-entry ul {
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #475569;
  margin-top: 6px;
}
.changelog-entry li {
  margin-bottom: 4px;
}

.about-contact {
  text-align: center;
}
.about-contact-block {
  background: #f8fafc;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.about-powered-link {
  display: inline-block;
}
.about-powered-logo {
  height: 50px;
  width: auto;
  vertical-align: middle;
}
.about-contact-email {
  margin: 0;
  font-size: 0.95rem;
  color: #334155;
}
.about-contact-email a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
}
.about-contact-email a:hover {
  text-decoration: underline;
}
.about-contact a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
}
.about-contact a:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .about-tech-grid {
    grid-template-columns: 1fr;
  }
  .about-hero h1 {
    font-size: 1.5rem;
  }
}

/* ── Download app page ───────────────────────────────────────────────────── */
.app-download-page {
  padding-bottom: 56px;
}
.app-download-main {
  padding-bottom: 24px;
}
.app-qr-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.app-qr-prereq {
  font-size: 0.92rem;
  color: #334155;
  margin: 0 0 12px;
  max-width: 340px;
  line-height: 1.5;
}
.app-qr-prereq a {
  color: var(--blue);
  font-weight: 700;
}
.app-qr-wrap {
  padding: 16px;
  background: #fff;
  border-radius: 16px;
  border: 2px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(26, 58, 92, 0.08);
  margin: 8px 0 12px;
}
.app-qr-wrap--dev {
  border-color: rgba(46, 204, 113, 0.45);
  box-shadow: 0 6px 24px rgba(46, 204, 113, 0.14);
}
.app-qr-wrap--testing {
  border-color: rgba(255, 140, 66, 0.45);
  box-shadow: 0 6px 24px rgba(255, 140, 66, 0.14);
}
.app-user-testing-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  max-width: 520px;
}
.app-user-testing-copy {
  flex: 1 1 220px;
  max-width: 280px;
  text-align: left;
}
.app-user-testing-copy .app-qr-hint {
  text-align: left;
  margin-bottom: 12px;
}
.app-expo-btn--testing {
  background: var(--orange);
  box-shadow: 0 4px 14px rgba(255, 140, 66, 0.35);
}
.app-expo-btn--testing:hover {
  box-shadow: 0 6px 18px rgba(255, 140, 66, 0.45);
}
.dev-build-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  width: 100%;
  max-width: 640px;
  margin-top: 8px;
}
.dev-build-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.dev-build-title {
  font-family: 'Baloo 2', cursive;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 10px;
}
.app-qr-canvas {
  display: block;
  max-width: 100%;
  height: auto;
}
.app-qr-image {
  display: block;
  width: 260px;
  height: 260px;
  max-width: 100%;
}
.app-qr-hint {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0 0 8px;
  max-width: 320px;
}
.app-open-link {
  font-size: 0.85rem;
  color: var(--blue);
  font-weight: 700;
  word-break: break-all;
  text-decoration: none;
}
.app-open-link:hover {
  text-decoration: underline;
}
.app-expo-btn {
  display: inline-block;
  margin: 12px 0 8px;
  padding: 14px 28px;
  background: var(--blue);
  color: var(--white);
  font-family: 'Baloo 2', cursive;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(59, 158, 212, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.app-expo-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(59, 158, 212, 0.45);
}
.app-expo-btn--dev {
  background: var(--green);
  box-shadow: 0 4px 14px rgba(46, 204, 113, 0.35);
}
.app-expo-btn--dev:hover {
  box-shadow: 0 6px 18px rgba(46, 204, 113, 0.45);
}
.app-qr-fallback {
  font-size: 0.9rem;
  color: #475569;
  margin: 0;
}
.app-store-intro {
  font-size: 0.93rem;
  color: #475569;
  margin: 0 0 16px;
  text-align: center;
}
.app-store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.app-store-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 10px 20px;
  border-radius: 10px;
  text-decoration: none;
  min-width: 160px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.app-store-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}
.app-store-btn-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.9;
}
.app-store-btn-name {
  font-family: 'Baloo 2', cursive;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
}
.app-store-btn--apple {
  background: #000;
  color: #fff;
}
.app-store-btn--google {
  background: #1a3a5c;
  color: #fff;
}

/* ── Dashboard (week activities) ────────────────────────────────────────────── */
.dashboard-page {
  padding-bottom: 32px;
}
.dashboard-main {
  width: 100%;
  max-width: 620px;
  padding: 20px 16px 0;
}
.dashboard-title {
  font-family: "Baloo 2", cursive;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 4px;
  text-align: center;
}
.dashboard-subtitle {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0 0 24px;
  text-align: center;
  font-weight: 700;
}
.dashboard-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 520px;
  margin: 0 auto;
}
.dashboard-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 200px;
  min-height: 200px;
  padding: 24px 20px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1), 0 0 0 4px rgba(59, 158, 212, 0.08);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.dashboard-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--blue),
    var(--green),
    var(--yellow),
    var(--orange),
    var(--pink)
  );
}
.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12), 0 0 0 4px rgba(59, 158, 212, 0.15);
}
.dashboard-card-tag {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(59, 158, 212, 0.15);
  color: var(--blue);
}
.dashboard-card-emoji {
  font-size: 2.5rem;
}
.dashboard-card-title {
  font-family: "Baloo 2", cursive;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
}
.dashboard-card-desc {
  font-size: 0.75rem;
  color: #64748b;
  text-align: center;
  font-weight: 700;
}
.dashboard-card-locked {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}
.dashboard-card-locked:hover {
  transform: none;
}

/* ── Woorde (flashcard) section – same styling as Lees saam ─────────────────── */
.logo {
  text-decoration: none;
  color: inherit;
}

.breadcrumb-trigger:disabled {
  cursor: default;
}
.breadcrumb-trigger:disabled::after {
  content: none;
}
.woorde-page .stars-bar:empty {
  margin: 0;
  min-height: 0;
}

.woorde-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  position: relative;
}
.woorde-card-wrapper {
  width: 100%;
  height: 280px;
  perspective: 1000px;
  cursor: pointer;
}
.woorde-card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1), 0 0 0 4px rgba(59, 158, 212, 0.08);
}
.woorde-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  border-radius: 28px 28px 0 0;
  background: linear-gradient(
    90deg,
    var(--blue),
    var(--green),
    var(--yellow),
    var(--orange),
    var(--pink)
  );
  z-index: 1;
}
.woorde-card.flipped {
  transform: rotateY(180deg);
}
.woorde-card.listening {
  animation: listenPulse 2s ease-in-out infinite;
}
.woorde-card-face {
  position: absolute;
  inset: 0;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 32px 28px;
  background: var(--white);
}
.woorde-card-front {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1), 0 0 0 4px rgba(59, 158, 212, 0.08);
}
.woorde-card-back {
  background: var(--blue);
  transform: rotateY(180deg);
  color: var(--white);
}
.woorde-card-back .woorde-word-main-back {
  color: var(--white);
}
.woorde-card-back .woorde-word-label-back {
  color: rgba(255, 255, 255, 0.8);
}
.woorde-emoji {
  font-size: 3.5rem;
  margin-bottom: 8px;
  animation: float 3s ease-in-out infinite;
}
.woorde-word-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: #b0bac8;
}
.woorde-word-label-back {
  color: rgba(255, 255, 255, 0.8);
}
.woorde-word-main {
  font-family: "Baloo 2", cursive;
  font-size: clamp(2rem, 8vw, 3.2rem);
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
  color: var(--text);
}
.woorde-word-main-back {
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  color: var(--white);
}
.woorde-hint {
  font-size: 0.8rem;
  color: #94a3b8;
  margin-top: 12px;
  font-weight: 700;
}
.woorde-speak-btn {
  position: absolute;
  bottom: 12px;
  left: 12px;
}
.woorde-list-toggle {
  margin-top: 20px;
  font-size: 0.82rem;
  color: #94a3b8;
  cursor: pointer;
  text-decoration: underline;
  background: none;
  border: none;
  font-family: inherit;
  font-weight: 700;
  padding: 4px;
}
.woorde-list-toggle:hover {
  color: var(--blue);
}
.woorde-word-grid {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  max-width: 620px;
  width: 100%;
  margin: 12px auto 24px;
  padding: 0 16px;
}
.woorde-word-grid.open {
  display: grid;
}
.word-chip {
  background: var(--white);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.18s;
  border: 2px solid #e2e8f0;
  font-family: "Nunito", sans-serif;
  color: var(--navy);
}
.word-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}
.word-chip.current {
  border-color: var(--blue);
  background: rgba(59, 158, 212, 0.12);
  color: var(--blue);
}
@media (max-width: 480px) {
  .woorde-card-wrapper {
    height: 240px;
  }
  .woorde-card-face {
    padding: 26px 18px;
  }
}

/* ── Homework day picker (days.html) ─────────────────────────────────────── */
.days-page {
  background: linear-gradient(165deg, #e8f4ff 0%, #f0f9ff 45%, #fff8e8 100%);
  min-height: 100vh;
}

.days-main {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 8px 16px 32px;
}

.days-intro {
  background: var(--white);
  border-radius: 20px;
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 32px rgba(26, 58, 92, 0.08);
  border: 2px solid rgba(59, 158, 212, 0.12);
}

.days-school {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 4px;
}

.days-title {
  font-family: "Baloo 2", cursive;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 4px;
}

.days-dates {
  font-size: 0.85rem;
  font-weight: 700;
  color: #64748b;
  margin: 0 0 10px;
}

.days-reminder {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 8px;
}

.days-daily-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.82rem;
  color: #475569;
  line-height: 1.5;
}

.days-pick-hint {
  font-size: 0.85rem;
  font-weight: 700;
  color: #64748b;
  text-align: center;
  margin: 0 0 12px;
}

.day-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.day-card {
  background: var(--white);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(26, 58, 92, 0.08);
  border: 2px solid #e2e8f0;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.day-card--open {
  border-color: rgba(46, 204, 113, 0.45);
  box-shadow: 0 10px 36px rgba(46, 204, 113, 0.12);
}

.day-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.day-card-header:hover {
  background: rgba(59, 158, 212, 0.04);
}

.day-card-emoji {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.day-card-headings {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.day-card-label {
  font-family: "Baloo 2", cursive;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
}

.day-card-label-en {
  font-size: 0.72rem;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.day-card-summary {
  font-size: 0.78rem;
  color: #64748b;
  margin-top: 2px;
}

.day-card-chevron {
  font-size: 0.75rem;
  color: #94a3b8;
  flex-shrink: 0;
}

.day-card-body {
  padding: 0 18px 18px;
  border-top: 1px solid #f1f5f9;
}

.day-card-body.hidden {
  display: none;
}

.day-task-list {
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.day-task {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.day-task--lees {
  background: rgba(59, 158, 212, 0.08);
  border-color: rgba(59, 158, 212, 0.2);
}

.day-task--spell {
  background: rgba(255, 217, 61, 0.15);
  border-color: rgba(255, 193, 7, 0.35);
}

.day-task-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.day-task-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
  color: #475569;
  line-height: 1.45;
}

.day-task-body strong {
  font-size: 0.88rem;
  color: var(--navy);
}

.day-task-items {
  margin: 4px 0 0;
  padding-left: 1rem;
  font-size: 0.8rem;
}

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

.day-action-btn {
  flex: 1;
  min-width: 140px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 99px;
  font-family: "Nunito", sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.day-action-btn:hover {
  transform: translateY(-2px);
}

.day-action-btn--primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(46, 204, 113, 0.35);
}

.day-action-btn--secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid #e2e8f0;
}

.day-context-chip {
  display: inline-block;
  margin: 0 auto 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(46, 204, 113, 0.12);
  border: 2px solid rgba(46, 204, 113, 0.25);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--navy);
  text-align: center;
}

.card-wrap .day-context-wrap {
  text-align: center;
  margin-bottom: 4px;
}

.card-wrap .day-context-wrap a {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
}

.card-wrap .day-context-wrap a:hover {
  text-decoration: underline;
}