:root {
  --bg: #fef6e4;
  --primary: #f582ae;
  --secondary: #8bd3dd;
  --accent: #f3d2c1;
  --dark: #172c66;
  --success: #6bcf7f;
  --error: #f45b69;
  --warning: #f4a259;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.app {
  width: 100%;
  max-width: 480px;
}

.screen {
  background: var(--card-bg);
  border-radius: 24px;
  padding: 28px 24px;
  box-shadow: 0 10px 30px rgba(23, 44, 102, 0.12);
  text-align: center;
}

.hidden {
  display: none !important;
}

h1 {
  font-size: 2rem;
  margin: 0 0 4px;
}

.subtitle {
  margin: 0 0 24px;
  color: #6b7280;
  font-size: 1.05rem;
}

.choice-group {
  margin-bottom: 24px;
}

.choice-group h2 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.choice-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.choice-btn {
  flex: 1 1 auto;
  min-width: 120px;
  padding: 14px 16px;
  border: 3px solid var(--secondary);
  background: white;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: bold;
  color: var(--dark);
  cursor: pointer;
  transition: transform 0.1s ease, background 0.15s ease;
}

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

.choice-btn.selected {
  background: var(--secondary);
  color: white;
}

.choice-btn.correct {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.choice-btn.wrong {
  background: var(--error);
  border-color: var(--error);
  color: white;
}

.choice-btn:disabled {
  cursor: default;
  transform: none;
}

.primary-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.2rem;
  font-weight: bold;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: 18px;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.15s ease;
}

.primary-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.primary-btn:not(:disabled):hover {
  transform: translateY(-2px);
}

.secondary-btn {
  width: 100%;
  margin-top: 10px;
  padding: 14px;
  font-size: 1rem;
  font-weight: bold;
  color: var(--dark);
  background: var(--accent);
  border: none;
  border-radius: 18px;
  cursor: pointer;
}

.print-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-top: 8px;
}

.link-btn {
  padding: 4px 8px;
  font-size: 0.9rem;
  color: var(--dark);
  background: none;
  border: none;
  text-decoration: underline;
  cursor: pointer;
}

.link-btn:hover {
  color: var(--primary);
}

.tables-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}

.table-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border: 3px solid var(--secondary);
  border-radius: 14px;
  background: white;
  font-weight: bold;
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
}

.table-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.table-checkbox.checked {
  background: var(--secondary);
  color: white;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border: 3px solid var(--secondary);
  border-radius: 16px;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
}

.toggle-row input {
  width: 22px;
  height: 22px;
  accent-color: var(--primary);
  cursor: pointer;
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  font-weight: bold;
  margin-bottom: 12px;
  color: var(--dark);
}

.progress-bar {
  height: 10px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 16px;
}

#progress-fill {
  height: 100%;
  width: 10%;
  background: var(--secondary);
  transition: width 0.3s ease;
}

.timer-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.timer-bar {
  flex: 1;
  height: 10px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
}

#timer-fill {
  height: 100%;
  width: 100%;
  background: var(--success);
  transition: width 0.1s linear, background 0.2s ease;
}

#timer-seconds {
  font-weight: bold;
  font-size: 0.95rem;
  min-width: 30px;
  text-align: right;
}

.question-card {
  background: var(--accent);
  border-radius: 20px;
  padding: 32px 16px;
  margin-bottom: 20px;
}

#question-text {
  font-size: 2.4rem;
  font-weight: bold;
  margin: 0;
  color: var(--dark);
}

#question-text.digital-clock {
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
}

.answer-form {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.answer-input {
  flex: 1;
  min-width: 0;
  padding: 16px;
  font-size: 1.6rem;
  font-weight: bold;
  text-align: center;
  border: 3px solid var(--secondary);
  border-radius: 16px;
  color: var(--dark);
  background: white;
  -moz-appearance: textfield;
}

.answer-input::-webkit-outer-spin-button,
.answer-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.answer-input:focus {
  outline: none;
  border-color: var(--primary);
}

.answer-input.correct {
  border-color: var(--success);
  background: #eafbef;
}

.answer-input.wrong {
  border-color: var(--error);
  background: #fdecee;
}

.answer-form .primary-btn {
  width: auto;
  padding: 16px 20px;
}

.clockset-colon {
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--dark);
}

.feedback {
  min-height: 28px;
  font-size: 1.2rem;
  font-weight: bold;
}

.stars {
  font-size: 3rem;
  margin: 12px 0;
}

.result-text {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 4px;
}

#result-score {
  color: #6b7280;
  margin-bottom: 24px;
}

/* Overzichtscherm */
.session-select {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  font-weight: bold;
  border: 3px solid var(--secondary);
  border-radius: 14px;
  background: white;
  color: var(--dark);
  margin-bottom: 12px;
}

.session-meta {
  color: #6b7280;
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
  border-radius: 14px;
  border: 2px solid var(--bg);
}

.session-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.session-table th,
.session-table td {
  padding: 8px 10px;
  text-align: center;
  border-bottom: 1px solid var(--bg);
  white-space: nowrap;
}

.session-table th {
  background: var(--accent);
  color: var(--dark);
}

.session-table td.result-correct {
  color: var(--success);
  font-weight: bold;
}

.session-table td.result-wrong {
  color: var(--error);
  font-weight: bold;
}


/* Feedbackknop (opent het Tally-formulier in een nieuw tabblad) */
.feedback-fab {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  text-decoration: none;
  background: var(--card-bg);
  border: 3px solid var(--dark);
  border-radius: 50%;
  box-shadow: 0 3px 0 var(--dark);
  z-index: 50;
}

.feedback-fab:hover,
.feedback-fab:focus-visible {
  background: var(--primary);
  outline: none;
}