/* ============================================
   CalcBrasil Pro — Calculator Components
   calculator.css — Formulários e Resultados
   ============================================ */

/* ---------- Calculator Form ---------- */
.calc-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235F5E5A' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 158, 117, 0.15);
}

.form-group input::placeholder {
  color: #b0afaa;
}

.form-group .input-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.form-group .input-error {
  font-size: 0.75rem;
  color: #d32f2f;
  margin-top: 2px;
  display: none;
}

.form-group.error input,
.form-group.error select {
  border-color: #d32f2f;
}

.form-group.error .input-error {
  display: block;
}

/* Two-column layout for date fields */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Calculate Button ---------- */
.btn-calc {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.btn-calc:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 158, 117, 0.3);
}

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

.btn-calc:disabled {
  background: var(--border);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  width: 100%;
  padding: 12px;
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
}

.btn-secondary:hover {
  background: var(--primary-light);
}

/* ---------- Result Box ---------- */
.result-box {
  display: none;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-top: 24px;
  animation: slideIn 0.4s ease;
}

.result-box.visible {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-box h3 {
  color: var(--primary-dark);
  margin-bottom: 16px;
  font-size: 1rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #9FE1CB;
  padding: 10px 0;
  font-size: 0.9375rem;
}

.result-item .label {
  color: var(--text-muted);
}

.result-item .value {
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.result-item.negative .value {
  color: #d32f2f;
}

.result-item.negative .value::before {
  content: '- ';
}

.result-separator {
  border: none;
  border-top: 2px dashed #9FE1CB;
  margin: 4px 0;
}

.result-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0 4px;
  border-bottom: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-dark);
}

.result-total .value {
  color: var(--primary-dark);
  font-weight: 800;
}

/* Print result button */
.btn-print {
  margin-top: 16px;
  padding: 10px 16px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-print:hover {
  background: var(--primary-light);
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  background: #f0efeb;
  border: none;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  transition: all var(--transition);
  font-family: var(--font);
}

.tab-btn:hover {
  background: #e5e4df;
}

.tab-btn.active {
  background: var(--primary);
  color: #fff;
}

/* ---------- Info Box ---------- */
.info-box {
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 0.875rem;
  color: var(--accent);
  line-height: 1.6;
  margin: 16px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.info-box .info-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ---------- Loading State ---------- */
.btn-calc.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-calc.loading::after {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}