/* Calculator section styles */

/* TABS */
.tab-bar {
  display: flex;
  background-color: #d4d4d4;
  border-bottom: 2px solid var(--color-border);
  padding: 0 20px;
}

.tab-btn {
  padding: 10px 20px;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  background: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 200ms, background-color 200ms;
}

.tab-btn:nth-child(2),
.tab-btn:nth-child(2):hover,
.tab-btn:nth-child(2).active {
  color: #d4d4d4;
  cursor: default;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-text-muted);
}

.tab-panel {
  display: none;
  flex: 1;
  overflow: hidden;
}

.tab-panel.active {
  display: flex;
}

/* CALCULATOR LAYOUT — 3 column */
.calc-container {
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* SIDEBAR (kiri) */
.calc-sidebar {
  border-right: 2px solid var(--color-primary);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.calc-sidebar-header {
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 14px;
  text-align: center;
}

.calc-sidebar-list {
  list-style: none;
  padding: 8px 0;
  flex: 1;
}

.calc-sidebar-item {
  display: block;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  transition: background-color 150ms;
}

.calc-sidebar-item:hover {
  background-color: var(--color-primary-light);
}

.calc-sidebar-item.active {
  background-color: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  padding-left: 11px;
}

/* MAIN (tengah) */
.calc-main {
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-nim-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--color-text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.calc-nim-row strong {
  color: var(--color-primary);
}

#calcFormContainer {
  flex: 1;
}

/* INFO PANEL (kanan) */
.calc-info {
  border-left: 2px solid var(--color-border);
  background-color: var(--color-surface);
  overflow-y: auto;
}

/* Legacy: kept for backwards compat */
.calc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#calcSelector {
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
  background-color: var(--color-surface);
  flex: 1;
  min-width: 200px;
}

/* CALCULATOR GRID */
.calc-grid {
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 16px;
  align-items: start;
}

.calc-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-right {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: #fafaf8;
  min-height: 300px;
}

.calc-output {
  padding: 16px;
}

.calc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.calc-group-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 8px 0 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 4px;
}

/* CALC FIELDS */
.calc-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calc-field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 4px;
}

.calc-symbol {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
}

.field-tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.field-tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--color-primary);
  font-size: 10px;
  font-weight: 600;
  cursor: help;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  flex-shrink: 0;
  user-select: none;
}

.field-tooltip-popup {
  display: none;
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  background-color: #ffffff;
  color: #1a202c;
  border: 1px solid #cbd5e0;
  border-radius: 6px;
  padding: 10px 13px;
  width: 230px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  pointer-events: none;
}

/* Arrow kiri popup */
.field-tooltip-popup::before {
  content: '';
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right-color: #cbd5e0;
}

.field-tooltip-popup::after {
  content: '';
  position: absolute;
  right: calc(100% - 1px);
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right-color: #ffffff;
}

.field-tooltip-wrap:hover .field-tooltip-popup,
.field-tooltip-wrap:focus-within .field-tooltip-popup {
  display: block;
}

.tip-desc {
  margin-bottom: 6px;
  color: #2d3748;
}

.tip-section {
  margin-top: 5px;
  color: #4a5568;
  font-size: 11px;
}

.tip-label {
  font-weight: 600;
  color: #2b6cb0;
}

.tip-code {
  display: inline-block;
  margin-top: 2px;
  background-color: #edf2f7;
  border-radius: 3px;
  padding: 1px 5px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: #c05621;
}

.calc-input {
  padding: 7px 9px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
  font-family: 'Courier New', monospace;
  background-color: var(--color-surface);
  transition: border-color 200ms;
  width: 100%;
}

.calc-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.calc-textarea {
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
  resize: vertical;
  width: 100%;
}

.field-error {
  font-size: 11px;
  color: var(--color-error);
  min-height: 14px;
}

.input-error {
  font-size: 12px;
  color: var(--color-error);
  padding: 8px;
  background-color: #fff5f5;
  border: 1px solid var(--color-error);
  border-radius: 4px;
  margin-bottom: 4px;
}

.calc-btn-row {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.calc-btn-row .btn {
  flex: 1;
}

/* INPUT MODE TOGGLE */
.input-mode-toggle {
  display: flex;
  gap: 16px;
  font-size: 12px;
  padding: 8px;
  background-color: var(--color-primary-light);
  border-radius: 4px;
  margin-bottom: 4px;
}

.input-mode-toggle label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

/* RESULT CARDS */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.result-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 10px;
}

.result-label {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.result-value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.result-number {
  font-family: 'Courier New', monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.copy-btn-sm {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
  padding: 2px 5px;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: background-color 200ms;
}

.copy-btn-sm:hover {
  background-color: #eaeae5;
}

.copy-btn-sm.copied {
  background-color: var(--color-copy-flash);
}

/* STEPS SECTION */
.steps-section {
  margin: 12px 0;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.steps-section summary {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  user-select: none;
}

.steps-section summary:hover {
  background-color: #d8e8f5;
}

.steps-content {
  padding: 12px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
  line-height: 1.8;
  background-color: var(--color-surface);
}

.steps-content p {
  margin: 4px 0;
}

/* INTERPRETATION */
.interpretation {
  padding: 10px 12px;
  background-color: #f0f5ff;
  border-left: 3px solid var(--color-primary);
  border-radius: 0 4px 4px 0;
  font-size: 13px;
  margin-top: 12px;
}

.interpretation p {
  margin: 4px 0;
}

/* CONCLUSION BANNER */
.conclusion-banner {
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
}

.banner-reject {
  background-color: #e8f5e9;
  border: 1px solid #4caf50;
  color: #1b5e20;
}

.banner-fail {
  background-color: #f5f5f5;
  border: 1px solid #aaa;
  color: #333;
}

/* BATCH RESULT in AI panel */
.batch-result {
  margin-bottom: 16px;
}

.batch-status {
  font-size: 12px;
  padding: 6px 10px;
  background-color: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* ANSWER WRAPPER in output */
.answer-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #f0f8f0;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid var(--color-success);
}

.answer-value {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--color-success);
}

.copy-btn {
  background: none;
  border: 1px solid var(--color-success);
  border-radius: 3px;
  cursor: pointer;
  color: var(--color-success);
  font-size: 11px;
  padding: 1px 6px;
  transition: background-color 200ms;
}

.copy-btn:hover {
  background-color: #d4edda;
}

.copy-btn.copied {
  background-color: var(--color-copy-flash);
}

@media (max-width: 1100px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}