/* Rekenen-specifieke stijlen — bouwt voort op style.css variabelen */

/* ── Type toggle (Tafels / Deling) ──────────── */
.type-toggle {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.type-btn {
  flex: 1;
  padding: 14px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 800;
  border: 2px solid var(--card-border, #FFD9C8);
  border-radius: 14px;
  background: white;
  color: var(--muted, #9E8080);
  cursor: pointer;
  transition: all 0.2s ease;
}

.type-btn.active {
  background: linear-gradient(135deg, var(--teal, #06D6A0), #05a57a);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(6, 214, 160, 0.3);
}

/* Niveau-knoppen (deling) — meerdere regels */
.deling-niveau {
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 14px 18px;
  text-align: left;
  height: auto;
}

.deling-niveau strong { font-size: 16px; }
.deling-niveau small  { font-size: 13px; opacity: 0.8; font-weight: 600; }

[data-theme="dark"] .type-btn {
  background: #2a2a3e;
  color: var(--muted);
  border-color: var(--card-border);
}


/* ── Setup-scherm ────────────────────────────── */
.rekenen-card {
  background: white;
  border-radius: 24px;
  padding: 44px;
  box-shadow: 0 4px 24px rgba(58, 46, 46, 0.08);
  border: 2px solid var(--card-border);
}

.rekenen-card h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 20px;
  text-align: center;
}

.rekenen-card .section-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin: 28px 0 14px;
}

/* ── Tafel-grid ──────────────────────────────── */
.tafel-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 8px;
}

.tafel-btn {
  font-family: inherit;
  font-size: 20px;
  font-weight: 900;
  padding: 14px 6px;
  border: 2px solid #E8E8E8;
  border-radius: 16px;
  background: #FAFAFA;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}

.tafel-btn:hover {
  border-color: var(--orange);
  color: var(--coral);
  transform: translateY(-2px);
}

.tafel-btn.active {
  background: linear-gradient(135deg, var(--orange) 0%, var(--coral) 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(255, 107, 91, 0.30);
}

/* ── Mode-knoppen ────────────────────────────── */
.mode-toggle {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.mode-btn {
  flex: 1;
  font-family: inherit;
  font-size: 18px;
  font-weight: 800;
  padding: 16px;
  border: 2px solid #E8E8E8;
  border-radius: 16px;
  background: #FAFAFA;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.mode-btn:hover {
  border-color: var(--orange);
  color: var(--coral);
}

.mode-btn.active {
  background: linear-gradient(135deg, var(--orange) 0%, var(--coral) 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(255, 107, 91, 0.28);
}

/* ── Start-knop ──────────────────────────────── */
.start-btn {
  width: 100%;
  font-family: inherit;
  font-size: 22px;
  font-weight: 900;
  padding: 22px;
  background: linear-gradient(135deg, var(--teal) 0%, #04B888 100%);
  color: white;
  border: none;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 28px;
  box-shadow: 0 6px 20px rgba(6, 214, 160, 0.30);
  letter-spacing: 0.3px;
}

.start-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(6, 214, 160, 0.40);
}

.start-btn:active {
  transform: translateY(0);
}

/* ── Score tracker ───────────────────────────── */
.score-tracker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}

.tracker-score,
.tracker-goal {
  font-size: 18px;
  font-weight: 800;
  padding: 10px 18px;
  border-radius: 50px;
  white-space: nowrap;
}

.tracker-score {
  background: linear-gradient(135deg, #FFF8EE 0%, #FFF0D0 100%);
  color: var(--orange);
  border: 2px solid var(--yellow);
}

.tracker-goal {
  background: linear-gradient(135deg, #F0FEF9 0%, #E0FAF2 100%);
  color: #04A878;
  border: 2px solid var(--teal);
}

/* ── Oefenscherm ─────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 10px;
  background: #F0F0F0;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal) 0%, var(--orange) 100%);
  border-radius: 10px;
  transition: width 0.4s ease;
  width: 0%;
}

.progress-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
  margin-bottom: 36px;
}

.question-display {
  font-size: 64px;
  font-weight: 900;
  color: var(--coral);
  text-align: center;
  margin: 16px 0 32px;
  line-height: 1.1;
  letter-spacing: -1px;
}

.answer-number-input {
  display: block;
  width: 100%;
  max-width: 240px;
  margin: 0 auto 20px;
  font-family: inherit;
  font-size: 48px;
  font-weight: 900;
  text-align: center;
  padding: 16px;
  border: 3px solid #E8E8E8;
  border-radius: 20px;
  color: var(--text);
  background: #FAFAFA;
  transition: all 0.2s ease;
  -moz-appearance: textfield;
}

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

.answer-number-input:focus {
  outline: none;
  border-color: var(--orange);
  background: white;
  box-shadow: 0 0 0 4px rgba(255, 159, 67, 0.12);
}

.answer-number-input:disabled {
  opacity: 0.6;
}

/* ── Feedback ────────────────────────────────── */
.feedback-display {
  text-align: center;
  font-size: 24px;
  font-weight: 800;
  padding: 16px 24px;
  border-radius: 16px;
  margin: 0 auto 20px;
  max-width: 400px;
}

.feedback-display.feedback-correct {
  background: #EDFDF7;
  color: #04B888;
  border: 2px solid var(--teal);
}

.feedback-display.feedback-incorrect {
  background: #FFF0EE;
  color: var(--coral);
  border: 2px solid #FFB7B0;
}

/* ── Controleer-knop ────────────────────────── */
.check-btn {
  display: block;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  font-family: inherit;
  font-size: 22px;
  font-weight: 900;
  padding: 20px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--coral) 100%);
  color: white;
  border: none;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 6px 20px rgba(255, 107, 91, 0.28);
}

.check-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(255, 107, 91, 0.38);
}

.check-btn:active {
  transform: translateY(0);
}

/* ── Resultaten ──────────────────────────────── */
.result-banner {
  text-align: center;
  background: linear-gradient(135deg, #FFF8EE 0%, #FFF0E0 100%);
  border: 2px solid var(--yellow);
  border-radius: 20px;
  padding: 36px;
  margin-bottom: 32px;
}

.result-emoji {
  font-size: 64px;
  display: block;
  margin-bottom: 12px;
  animation: bounce-twinkle 1s ease-in-out infinite;
}

.result-score {
  font-size: 52px;
  font-weight: 900;
  color: var(--coral);
  line-height: 1;
  margin-bottom: 6px;
}

.result-pct {
  font-size: 28px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 14px;
}

.result-compliment {
  font-size: 19px;
  font-weight: 600;
  color: var(--muted);
  font-style: italic;
}

.result-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.result-btn {
  flex: 1;
  min-width: 180px;
  font-family: inherit;
  font-size: 18px;
  font-weight: 800;
  padding: 18px;
  border: none;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.result-btn.primary {
  background: linear-gradient(135deg, var(--teal) 0%, #04B888 100%);
  color: white;
  box-shadow: 0 6px 18px rgba(6, 214, 160, 0.28);
}

.result-btn.secondary {
  background: linear-gradient(135deg, var(--purple) 0%, #7C5CBF 100%);
  color: white;
  box-shadow: 0 6px 18px rgba(155, 114, 207, 0.28);
}

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

.results-overview h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  text-align: center;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 4px;
}

.result-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 700;
}

.result-row.result-ok {
  background: #EDFDF7;
  border: 2px solid var(--teal);
}

.result-row.result-wrong {
  background: #FFF0EE;
  border: 2px solid #FFB7B0;
}

.result-icon { font-size: 20px; }

.result-q { flex: 1; color: var(--text); }

.result-user {
  font-size: 15px;
  color: var(--coral);
  font-weight: 600;
}

/* ── Doel gehaald banner ─────────────────────── */
.result-banner.result-gehaald {
  background: linear-gradient(135deg, #E0FAF2 0%, #C8F7E8 100%);
  border-color: var(--teal);
}

.result-banner.result-gehaald .result-score {
  color: #04A878;
}

.result-banner.result-gehaald .result-pct {
  color: var(--teal);
}

/* ── Confetti ────────────────────────────────── */
#confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -20px;
  opacity: 1;
  animation: confetti-fall linear forwards;
}

@keyframes confetti-fall {
  0%   { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(105vh) rotate(600deg) scale(0.8); opacity: 0; }
}

/* ── Dark mode voor rekenen ──────────────────── */
[data-theme="dark"] .rekenen-card {
  background: var(--card-bg);
  border-color: var(--card-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .tafel-btn {
  background: #2a2a3e;
  border-color: #3a3050;
  color: var(--text);
}

[data-theme="dark"] .tafel-btn.selected {
  background: linear-gradient(135deg, var(--teal) 0%, #05a57a 100%);
  color: white;
  border-color: transparent;
}

[data-theme="dark"] .question-card {
  background: var(--card-bg);
  border-color: var(--card-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .answer-number-input {
  background: #1e1e30;
  color: var(--text);
  border-color: #3a3050;
}

[data-theme="dark"] .score-card {
  background: var(--card-bg);
  border-color: var(--card-border);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 600px) {
  .rekenen-card { padding: 28px 20px; }

  .tafel-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .tafel-btn { font-size: 18px; padding: 12px 4px; border-radius: 12px; }

  .question-display { font-size: 48px; }
  .answer-number-input { font-size: 40px; max-width: 200px; }

  .mode-toggle { flex-direction: column; }
  .result-buttons { flex-direction: column; }
}

/* Sparkle effect */
.sparkle {
  position: fixed;
  pointer-events: none;
  font-size: 26px;
  z-index: 9999;
  animation: sparkle-burst 0.9s ease-out forwards;
}
@keyframes sparkle-burst {
  0%   { opacity: 1; transform: translate(0,0) scale(1) rotate(0deg); }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0) rotate(360deg); }
}