/* ============================================================
   TORNADOTOOLS — CALCULATOR-SUITE.CSS
   Supplemental styles (main styles in components.css)
   ============================================================ */

/* Scientific display
   Preferred markup: <div class="calc-scientific-display">...</div>
   Legacy compatibility: #sciDisplay */
.calc-scientific-display,
#sciDisplay {
  font-size: 22px;
  letter-spacing: 1px;
}

/* EMI / Age / Tip sections */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calc-form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-form-row label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Age result */
.age-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.age-box {
  background: rgba(0, 245, 255, 0.04);
  border: 1px solid rgba(0, 245, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.age-box .age-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.age-box .age-unit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Tip result */
.tip-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.tip-box {
  background: rgba(108, 99, 255, 0.06);
  border: 1px solid rgba(108, 99, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.tip-box .tip-num {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-1);
  display: block;
}

.tip-box .tip-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

/* EMI result */
.emi-result {
  margin-top: 16px;
  text-align: center;
  padding: 28px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 245, 255, 0.1);
  border-radius: var(--radius-lg);
}

.emi-main {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.emi-breakdown {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.emi-breakdown-item {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.emi-breakdown-item span {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Unit converter */
.unit-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.unit-category-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  cursor: pointer;
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.unit-category-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 245, 255, 0.16);
  color: var(--text-secondary);
}

.unit-category-btn.active {
  background: rgba(108, 99, 255, 0.1);
  border-color: rgba(108, 99, 255, 0.4);
  color: var(--accent-1);
  box-shadow: 0 0 12px rgba(108, 99, 255, 0.08);
}

.unit-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: end;
}

.unit-swap-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  align-self: center;
  --swap-rotation: 0deg;
  transform: rotate(var(--swap-rotation));
  transform-origin: center;
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.unit-swap-btn:hover {
  background: rgba(0, 245, 255, 0.08);
  border-color: rgba(0, 245, 255, 0.3);
  color: var(--neon-cyan);
  --swap-rotation: 180deg;
}

@media (max-width: 480px) {
  .age-result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tip-result-grid {
    grid-template-columns: 1fr;
  }

  .unit-row {
    grid-template-columns: 1fr;
  }

  .unit-swap-btn {
    --swap-rotation: 90deg;
    margin: 0 auto;
  }

  .unit-swap-btn:hover {
    --swap-rotation: 270deg;
  }
}

/* ============================================================
   SCIENTIFIC CALCULATOR UPGRADES
   ============================================================ */
.sci-statusbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin: 14px 0 10px;
}

.sci-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.sci-chip:hover,
.sci-chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(0, 245, 255, 0.25);
  color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.08);
  outline: none;
}

.sci-chip.danger {
  color: #ff8a8a;
  border-color: rgba(255, 120, 120, 0.22);
}

.sci-chip-static {
  cursor: default;
  user-select: none;
}

.sci-chip-static:hover,
.sci-chip-static:focus-visible {
  transform: none;
  box-shadow: none;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.sci-memory-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.calc-grid.sci {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.calc-grid.sci .sci-btn,
.calc-grid.sci .calc-btn {
  min-height: 52px;
  padding: 10px 8px;
  font-size: 14px;
  line-height: 1.1;
}

#sciDisplay {
  caret-color: var(--neon-cyan);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 640px) {
  .sci-memory-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calc-grid.sci {
    gap: 8px;
  }

  .calc-grid.sci .sci-btn,
  .calc-grid.sci .calc-btn {
    min-height: 48px;
    font-size: 13px;
  }
}

@media (max-width: 420px) {
  .sci-statusbar {
    gap: 6px;
  }

  .sci-chip {
    padding: 7px 10px;
    font-size: 10px;
  }

  .calc-grid.sci .sci-btn,
  .calc-grid.sci .calc-btn {
    min-height: 46px;
    padding: 8px 6px;
    font-size: 12px;
  }
}


/* ============================================================
   SCIENTIFIC DOCK / STICKY DISPLAY
   ============================================================ */
.sci-section {
  overflow: visible;
  position: relative;
}

.sci-section-sentinel {
  width: 100%;
  height: 1px;
  pointer-events: none;
  opacity: 0;
}

.sci-dock {
  position: sticky;
  top: 88px;
  z-index: 20;
  margin: 4px 0 16px;
  padding: 14px;
  border: 1px solid rgba(0, 245, 255, 0.12);
  border-radius: 22px;
  background: rgba(2, 8, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.34);
}

.sci-dock.is-docked {
  border-color: rgba(0, 245, 255, 0.18);
  box-shadow: 0 16px 46px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(0, 245, 255, 0.04);
}

.sci-dock .calc-display,
.sci-dock #sciDisplay {
  width: 100%;
  margin-bottom: 12px;
  pointer-events: none;
  user-select: none;
  touch-action: manipulation;
}

.sci-dock .sci-statusbar {
  margin-top: 0;
}

.sci-dock .sci-memory-row:last-child {
  margin-bottom: 0;
}

.sci-btn,
.sci-chip {
  touch-action: manipulation;
}

@media (max-width: 900px) {
  .sci-dock {
    top: 76px;
    padding: 12px;
    border-radius: 18px;
  }
}

@media (max-width: 520px) {
  .sci-dock {
    top: 70px;
    padding: 10px;
    margin-bottom: 12px;
  }

  .sci-dock .calc-display,
  .sci-dock #sciDisplay {
    font-size: 20px;
  }
}