/* ── CSS VARIABLES ── */
:root {
  --primary: #FF007F;
  --secondary: #00EEFC;
  --background: #0e0e13;
  --surface-container: #19191f;
  --on-surface: #f8f5fd;
  --on-surface-variant: #acaab1;
}

/* ── AMBIENT GLOW ── */
.bc-ambient {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.bc-ambient::before {
  content: '';
  position: absolute; top: -20%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,0,127,0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: bcDrift1 18s ease-in-out infinite alternate;
}
.bc-ambient::after {
  content: '';
  position: absolute; bottom: -20%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,238,252,0.04) 0%, transparent 70%);
  border-radius: 50%;
  animation: bcDrift2 22s ease-in-out infinite alternate;
}
@keyframes bcDrift1 { from { transform: translate(0,0); } to { transform: translate(60px,40px); } }
@keyframes bcDrift2 { from { transform: translate(0,0); } to { transform: translate(-50px,-60px); } }

/* ── BODY ── */
body {
  font-family: 'Space Grotesk', sans-serif;
  padding-top: 72px;
  min-height: 100vh;
}

/* ── MAIN WRAPPER ── */
.bc-wrap {
  width: 90%;
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 2rem 5rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 600px) {
  .bc-wrap {
    padding: 80px 1rem 4rem;
  }
}

/* ── PAGE TITLE ── */
.bc-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--on-surface);
  margin: 0 0 0.5rem;
  line-height: 1.1;
}

.bc-title .gradient-text {
  background: linear-gradient(90deg, #FF007F, #00EEFC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(255,0,127,0.3));
}

/* ── SUBTITLE ── */
.bc-desc {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  margin: 0 0 2rem;
  line-height: 1.6;
}

/* ── GLASSMORPHISM CARD ── */
.bc-card {
  background: rgba(37,37,44,0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,0,127,0.15);
  border-radius: 1.25rem;
  padding: 2rem;
}

/* ── FIELDS GRID ── */
.bc-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

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

/* ── FIELD WRAPPER ── */
.bc-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.bc-field label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.bc-field input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  background: rgba(14,14,19,0.7);
  border: 1px solid rgba(255,0,127,0.3);
  border-radius: 0.5rem;
  color: var(--on-surface);
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bc-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,0,127,0.12);
}

.bc-field input::placeholder {
  color: rgba(248,245,253,0.2);
  font-weight: 400;
}

/* Remove number input spinners */
.bc-field input[type=number]::-webkit-inner-spin-button,
.bc-field input[type=number]::-webkit-outer-spin-button {
  opacity: 0.3;
}

/* ── HINT TEXT ── */
.bc-hint {
  font-size: 0.7rem;
  color: var(--on-surface-variant);
  opacity: 0.7;
  line-height: 1.4;
}

/* ── CALCULATE BUTTON ── */
.bc-btn {
  width: 100%;
  padding: 0.85rem 1rem;
  background: linear-gradient(135deg, #FF007F, #cc0066);
  border: none;
  border-radius: 9999px;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 0 24px rgba(255,0,127,0.3);
  box-sizing: border-box;
}

.bc-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 0 36px rgba(255,0,127,0.5);
}

.bc-btn:active {
  transform: scale(0.98);
}

.bc-btn:focus {
  outline: 2px solid rgba(255,0,127,0.5);
  outline-offset: 2px;
}

/* ── RESULTS SECTION ── */
.bc-results {
  margin-top: 2rem;
}

/* ── RESULT GRID ── */
.bc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

/* ── INDIVIDUAL RESULT CARD ── */
.bc-result-card {
  background: rgba(25,25,31,0.8);
  border: 1px solid rgba(255,0,127,0.2);
  border-radius: 1rem;
  padding: 1.25rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 0.2s;
}

.bc-result-card:hover {
  border-color: rgba(255,0,127,0.4);
}

/* ── RESULT LABEL ── */
.bc-result-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
}

/* ── RESULT VALUE ── */
.bc-result-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
  line-height: 1;
}

.bc-result-value.profit {
  color: #22c55e;
}

/* ── BREAKEVEN ROW ── */
.bc-breakeven {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(25,25,31,0.6);
  border: 1px solid rgba(0,238,252,0.1);
  border-radius: 0.75rem;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

.bc-breakeven strong {
  color: var(--secondary);
}

/* ── INTERPRETATION BOX ── */
.bc-interpretation {
  border-left: 3px solid var(--secondary);
  padding-left: 1rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--on-surface-variant);
  font-style: italic;
  margin-bottom: 2rem;
}

/* ── SCENARIO TABLE TITLE ── */
.bc-table-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(248,245,253,0.4);
  margin: 0 0 0.75rem;
}

/* ── SCENARIOS TABLE ── */
.bc-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.25rem;
  font-size: 0.875rem;
}

.bc-table th {
  background: rgba(25,25,31,0.8);
  text-align: left;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(255,0,127,0.3);
}

.bc-table td {
  padding: 0.6rem 1rem;
  color: rgba(248,245,253,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-variant-numeric: tabular-nums;
}

.bc-table tbody tr:last-child td {
  border-bottom: none;
}

.bc-table tbody tr:hover td {
  background: rgba(255,0,127,0.04);
}

.bc-table tr.highlight td {
  background: rgba(255,0,127,0.08);
  border-left: 3px solid var(--primary);
  color: var(--on-surface);
}

.bc-table tr.highlight td:first-child {
  padding-left: calc(1rem - 3px);
}

/* ── FOCUS ACCESSIBILITY ── */
.bc-field input:focus {
  outline: none;
}

/* ── PRINT ── */
@media print {
  .bc-ambient { display: none; }
  .bc-card, .bc-result-card, .bc-table th, .bc-table td {
    color: black !important;
    background: white !important;
    border-color: black !important;
  }
  .bc-btn { display: none; }
}