/* ===== Calculator Specific Styles ===== */

/* Input Panel */
.input-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.input-panel .card-body {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 16px;
}

/* ===== Number Input with Comma Format ===== */
.num-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.num-input-wrap .input {
  padding-right: 48px;
}

.num-input-unit {
  position: absolute;
  right: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
}

/* Unit Toggle Row */
.unit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.unit-row .form-label {
  margin-bottom: 0;
}

/* ===== Tax Rate Display ===== */
.rate-display {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: #FEF3C7;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  color: #B45309;
}

[data-theme="dark"] .rate-display {
  background: #422006;
  color: #FCD34D;
}

/* ===== Result Breakdown ===== */
.result-breakdown {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
}

.breakdown-title {
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  font-size: 13.5px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}

.breakdown-row:last-child {
  border-bottom: none;
}

.breakdown-row .br-label {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 1;
  min-width: 0;
}

.breakdown-row .br-value {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
  flex-shrink: 0;
  margin-left: 12px;
}

.breakdown-row .br-value.positive {
  color: var(--success);
}

.breakdown-row .br-value.negative {
  color: var(--danger);
}

.breakdown-row.indent {
  padding-left: 32px;
  background: var(--bg-secondary);
}

.breakdown-row.indent .br-label {
  font-size: 12.5px;
}

.breakdown-row.total {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  padding: 16px 20px;
  border-bottom: none;
  margin-top: 2px;
}

[data-theme="dark"] .breakdown-row.total {
  background: linear-gradient(135deg, #1E293B 0%, #1E3A5F 100%);
}

.breakdown-row.total .br-label {
  font-size: 15px;
  font-weight: 700;
  color: #1E40AF;
}

[data-theme="dark"] .breakdown-row.total .br-label {
  color: #93C5FD;
}

.breakdown-row.total .br-value {
  font-size: 20px;
  font-weight: 800;
  color: #1E40AF;
  letter-spacing: -0.02em;
}

[data-theme="dark"] .breakdown-row.total .br-value {
  color: #93C5FD;
}

/* ===== Calculator Action Bar ===== */
.calc-action-bar {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ===== Info Reference ===== */
.info-ref-page {
  padding: 24px;
  max-width: 700px;
}

.info-ref-page h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.info-ref-page .info-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.info-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 13px;
  margin-bottom: 16px;
}

.info-table th {
  background: var(--bg-secondary);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}

.info-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

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

.info-table tr:nth-child(even) td {
  background: var(--bg-secondary);
}

/* ===== Tax Rate Table ===== */
.rate-table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
}

/* ===== Period Input ===== */
.period-input-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ===== Calculation Steps ===== */
.calc-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0;
}

.calc-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent);
  font-size: 12px;
}

.calc-step-num {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.calc-step-content .step-label {
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.calc-step-content .step-value {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 14px;
}

/* ===== Tax Exempt Badge ===== */
.exempt-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
  border: 1px solid #6EE7B7;
  border-radius: var(--radius-lg);
  color: #065F46;
  font-size: 15px;
  font-weight: 700;
}

[data-theme="dark"] .exempt-badge {
  background: linear-gradient(135deg, #1A2E1A 0%, #14532D 100%);
  border-color: #34D399;
  color: #A7F3D0;
}

/* ===== Print Styles ===== */
@media print {
  #header, #sidebar, .ad-side-left, .ad-side-right, #ad-anchor,
  .calc-action-bar, .tab-bar, .ad-banner-content, #btn-hamburger {
    display: none !important;
  }

  #main-content {
    width: 100%;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

  .result-breakdown {
    break-inside: avoid;
  }
}