/* ── Blooket Calculator – Styles ─────────────────────────────────────────── */

.blooket-calc-wrap {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 740px;
  margin: 2rem auto;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  color: #1e293b;
}

/* ── Header ───────────────────────────────────────────────────────────────── */

.blooket-calc__header {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.blooket-calc__logo {
  font-size: 2.2rem;
  line-height: 1;
  flex-shrink: 0;
}

.blooket-calc__title {
  font-size: 1.55rem;
  font-weight: 800;
  margin: 0 0 0.25rem;
  color: #1e293b;
}

.blooket-calc__desc {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0;
  line-height: 1.5;
}

/* ── Tabs ─────────────────────────────────────────────────────────────────── */

.blooket-calc__tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0;
}

.blooket-calc__tab {
  padding: 0.55rem 1.3rem;
  border: none;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #64748b;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -2px;
  border-radius: 0;
}

.blooket-calc__tab--active {
  color: #6c3de0;
  border-bottom-color: #6c3de0;
}

.blooket-calc__tab:hover:not(.blooket-calc__tab--active) {
  color: #334155;
  border-bottom-color: #cbd5e1;
}

/* ── Form ─────────────────────────────────────────────────────────────────── */

.blooket-calc__form {
  margin-bottom: 0;
}

.blooket-calc__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 520px) {
  .blooket-calc__row {
    grid-template-columns: 1fr;
  }
}

.blooket-calc__field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.blooket-calc__field label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #374151;
}

.blooket-calc__field input[type="number"],
.blooket-calc__field select {
  padding: 0.6rem 0.85rem;
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.98rem;
  color: #0f172a;
  background: #f8fafc;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  box-sizing: border-box;
  appearance: auto;
}

.blooket-calc__field input[type="number"]:focus,
.blooket-calc__field select:focus {
  outline: none;
  border-color: #6c3de0;
  box-shadow: 0 0 0 3px rgba(108, 61, 224, 0.15);
  background: #fff;
}

.blooket-calc__hint {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.15rem;
}

/* ── Presets ─────────────────────────────────────────────────────────────── */

.blooket-calc__presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  padding: 0.85rem 1rem;
  background: #f5f3ff;
  border-radius: 10px;
}

.blooket-calc__preset-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: #6c3de0;
  margin-right: 0.25rem;
}

.blooket-calc__preset {
  padding: 0.35rem 0.85rem;
  border: 1.5px solid #a78bfa;
  border-radius: 20px;
  background: #fff;
  color: #5b21b6;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.blooket-calc__preset:hover {
  background: #6c3de0;
  color: #fff;
  border-color: #6c3de0;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.blooket-calc__btn-wrap {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.blooket-calc__btn {
  padding: 0.7rem 2rem;
  border: none;
  border-radius: 8px;
  background: #6c3de0;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.blooket-calc__btn:hover {
  background: #5b21b6;
}

.blooket-calc__btn:active {
  transform: scale(0.97);
}

.blooket-calc__btn--reset {
  background: #e2e8f0;
  color: #334155;
}

.blooket-calc__btn--reset:hover {
  background: #cbd5e1;
}

/* ── Results ─────────────────────────────────────────────────────────────── */

.blooket-calc__results {
  margin-top: 2rem;
  border-top: 2px solid #f1f5f9;
  padding-top: 1.5rem;
}

.blooket-calc__results-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 1rem;
  color: #1e293b;
}

.blooket-calc__results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

@media (max-width: 520px) {
  .blooket-calc__results-grid {
    grid-template-columns: 1fr;
  }
}

.blooket-calc__result-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.blooket-calc__result-card--highlight {
  background: #f5f3ff;
  border-color: #c4b5fd;
}

.blooket-calc__result-label {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #64748b;
}

.blooket-calc__result-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #1e293b;
}

.blooket-calc__result-card--highlight .blooket-calc__result-value {
  color: #6c3de0;
}

/* ── Progress bar ─────────────────────────────────────────────────────────── */

.blooket-calc__progress-wrap {
  margin-top: 1.25rem;
}

.blooket-calc__progress-bar {
  height: 18px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.blooket-calc__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6c3de0, #a78bfa);
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.blooket-calc__progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
  margin-top: 0.35rem;
}

/* ── Breakdown ────────────────────────────────────────────────────────────── */

.blooket-calc__breakdown {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: #f8fafc;
  border-radius: 10px;
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.8;
}

.blooket-calc__breakdown strong {
  color: #1e293b;
}

/* ── Error ────────────────────────────────────────────────────────────────── */

.blooket-calc__error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  color: #b91c1c;
  font-size: 0.9rem;
  font-weight: 600;
}

.blooket-calc__disclaimer {
  font-size: 0.76rem;
  color: #94a3b8;
  margin-top: 1rem;
  line-height: 1.5;
}