.vtusync-cgpa-wrap *,
.vtusync-cgpa-wrap *::before,
.vtusync-cgpa-wrap *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.vtusync-cgpa-wrap {
  font-family: var(--cs-font-base-family, sans-serif);
  color: var(--cs-color-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@keyframes vcgpaFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.vcgpa-form-card {
  background: var(--cs-layout-background);
  border-radius: var(--cs-thumbnail-border-radius);
  padding: 28px 24px;
}

.vcgpa-form-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.vcgpa-form-card-header h2,
.vcgpa-subjects-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cs-color-primary);
}

.vcgpa-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--cs-color-box-shadow-rgb), 0.12);
  color: var(--cs-color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 100px;
  white-space: nowrap;
}

.vcgpa-sel-field {
  position: relative;
}

.vcgpa-trigger, .vcgpa-native-select {
  position: relative;
  z-index: 1;
}

.vcgpa-field-group {
  margin-bottom: 18px;
}

.vcgpa-field {
  margin-bottom: 18px;
}

.vcgpa-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cs-color-secondary);
  margin-bottom: 6px;
}

.vcgpa-trigger {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 16px;
  background: var(--cs-color-contrast-100);
  border: 1.5px solid var(--cs-color-border);
  border-radius: var(--cs-layout-elements-border-radius);
  cursor: pointer;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.vcgpa-trigger:hover {
  border-color: var(--cs-color-accent);
}

.vcgpa-trigger:active {
  background: var(--cs-color-contrast-200);
}

.vcgpa-trigger-text {
  font-size: 0.92rem;
  color: var(--cs-color-primary);
}

.vcgpa-trigger svg {
  flex-shrink: 0;
  color: var(--cs-color-contrast-500);
  transition: color 0.25s;
}

.vcgpa-native-select {
  display: block;
  width: 100%;
  padding: 13px 16px;
  background: var(--cs-color-contrast-100);
  border: 1.5px solid var(--cs-color-border);
  border-radius: var(--cs-layout-elements-border-radius);
  font-family: var(--cs-font-base-family, sans-serif);
  font-size: 0.92rem;
  color: var(--cs-color-primary);
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.vcgpa-native-select:focus {
  outline: 2px solid var(--cs-color-accent);
  outline-offset: -2px;
  border-color: transparent;
}

@media (hover: none) and (pointer: coarse) {
  .vcgpa-trigger { display: flex; }
  .vcgpa-native-select { display: none; }
}

.vcgpa-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(var(--cs-color-box-shadow-rgb), 0.06);
  border-radius: var(--cs-layout-elements-border-radius);
  margin-bottom: 20px;
  color: var(--cs-color-secondary);
  font-size: 0.82rem;
  line-height: 1.5;
}

.vcgpa-note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--cs-color-accent);
}

.vcgpa-subjects-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0 20px;
  padding-top: 24px;
  border-top: 1px solid var(--cs-color-border);
}

.vtusync-cgpa-wrap input[type="text"].vcgpa-input,
.vtusync-cgpa-wrap input[type="number"].vcgpa-input {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background: var(--cs-color-input);
  color: var(--cs-color-input-contrast);
  border: 1px solid var(--cs-color-border) !important;
  border-radius: var(--cs-button-border-radius);
  min-height: 40px;
  font-family: var(--cs-font-input-family, sans-serif);
  font-size: var(--cs-font-input-size);
  font-weight: var(--cs-font-input-weight);
  line-height: var(--cs-font-input-line-height);
  letter-spacing: var(--cs-font-input-letter-spacing);
  text-transform: var(--cs-font-input-text-transform);
  margin: 0;
  outline: none;
  appearance: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.vtusync-cgpa-wrap input[type="text"].vcgpa-input:focus,
.vtusync-cgpa-wrap input[type="number"].vcgpa-input:focus {
  outline: none;
  border-color: var(--cs-color-accent) !important;
  box-shadow: 0 0 0 3px rgba(var(--cs-color-box-shadow-rgb, 114, 114, 255), 0.14) !important;
}

.vtusync-cgpa-wrap input.vcgpa-input:-webkit-autofill,
.vtusync-cgpa-wrap input.vcgpa-input:-webkit-autofill:hover,
.vtusync-cgpa-wrap input.vcgpa-input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--cs-color-input) inset !important;
  box-shadow: 0 0 0 1000px var(--cs-color-input) inset !important;
  -webkit-text-fill-color: var(--cs-color-input-contrast) !important;
  caret-color: var(--cs-color-input-contrast);
}

.vtusync-cgpa-wrap input.vcgpa-input-error {
  border-color: var(--cs-palette-color-red) !important;
}

.vtusync-cgpa-wrap input.vcgpa-input-valid {
  border-color: var(--cs-palette-color-green) !important;
}

.vcgpa-error-text {
  color: var(--cs-palette-color-red);
  font-size: 0.78rem;
  margin-top: 4px;
  display: none;
}

.vcgpa-semester {
  margin-bottom: 14px;
}

.vcgpa-semester.vcgpa-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.vcgpa-input-disabled {
  background: var(--cs-color-contrast-200) !important;
  cursor: not-allowed;
}

.vcgpa-toggle-group {
  display: flex;
  gap: 0;
  margin-top: 4px;
  background: var(--cs-color-contrast-100);
  border: 1.5px solid var(--cs-color-border);
  border-radius: 100px;
  padding: 4px;
  position: relative;
}

.vcgpa-toggle-btn {
  flex: 1;
  padding: 11px 16px;
  background: transparent;
  border: none;
  border-radius: 100px;
  font-family: var(--cs-font-base-family, sans-serif);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--cs-color-secondary);
  cursor: pointer;
  transition: color 0.3s, font-weight 0.3s, box-shadow 0.3s;
  text-align: center;
  position: relative;
  z-index: 1;
}

.vcgpa-toggle-btn:hover:not(.active) {
  color: var(--cs-color-primary);
}

.vcgpa-toggle-btn.active {
  background: var(--cs-color-accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(var(--cs-color-box-shadow-rgb, 114,114,255), 0.25);
}

.vcgpa-semester label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cs-color-secondary);
  margin-bottom: 6px;
}

.vcgpa-credits-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--cs-color-accent);
  background: transparent;
  border: 1px solid var(--cs-color-accent);
  padding: 1px 8px;
  border-radius: 100px;
  letter-spacing: 0.03em;
  vertical-align: middle;
  line-height: 1.5;
}

.vcgpa-spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--cs-color-contrast-200);
  border-top-color: var(--cs-color-accent);
  border-radius: 50%;
  animation: vcgpaLoaderRotate 0.65s linear infinite;
}

.vcgpa-err-msg {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cs-palette-color-red);
  font-size: 0.85rem;
  padding: 8px 0;
}

#vcgpaCalcBtn {
  display: none;
  background: var(--cs-color-button);
  color: var(--cs-color-button-contrast);
  border: none;
  padding: 16px 32px;
  border-radius: 100px;
  font-family: var(--cs-font-base-family, sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin: 28px auto;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(var(--cs-color-box-shadow-rgb), 0.25);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

#vcgpaCalcBtn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--cs-color-button-hover);
  transition: opacity 0.25s ease;
  z-index: -1;
  opacity: 0;
  border-radius: 100px;
}

#vcgpaCalcBtn:hover::before {
  opacity: 1;
}

#vcgpaCalcBtn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--cs-color-box-shadow-rgb), 0.3);
}

#vcgpaCalcBtn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(var(--cs-color-box-shadow-rgb), 0.2);
}

#vcgpaCalcBtn.calculating {
  opacity: 0.65;
  pointer-events: none;
}

.vcgpa-download-btn {
  display: none;
  background: transparent;
  color: var(--cs-color-accent);
  border: 1.5px solid var(--cs-color-accent);
  padding: 11px 24px;
  border-radius: 100px;
  font-family: var(--cs-font-base-family, sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-bottom: 24px;
  transition: background 0.25s, color 0.25s;
}

.vcgpa-download-btn:hover {
  background: var(--cs-color-accent);
  color: #fff;
}

#vcgpaResult {
  background: var(--cs-layout-background);
  border-radius: var(--cs-thumbnail-border-radius);
  padding: 32px 24px;
  margin-top: 12px;
  position: relative;
  animation: vcgpaFadeUp 0.4s ease both;
}

.vcgpa-result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--cs-color-border);
}

.vcgpa-result-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cs-color-primary);
}

.vcgpa-student-info {
  background: var(--cs-color-contrast-100);
  border: 1px solid var(--cs-color-border);
  border-radius: var(--cs-thumbnail-border-radius);
  padding: 20px;
  margin-bottom: 28px;
}

.vcgpa-student-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.vcgpa-info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vcgpa-info-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cs-color-contrast-500);
}

.vcgpa-info-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--cs-color-primary);
}

.vcgpa-cgpa-display {
  background: var(--cs-color-contrast-100);
  border-radius: var(--cs-thumbnail-border-radius);
  padding: 36px 28px 28px;
  margin-bottom: 24px;
  border-top: 3px solid var(--cs-color-accent);
}

.vcgpa-cgpa-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 20px;
}

.vcgpa-cgpa-box,
.vcgpa-pct-box {
  flex: 1;
  text-align: center;
  padding: 0 16px;
}

.vcgpa-cgpa-divider {
  width: 1px;
  height: 60px;
  background: var(--cs-color-border);
}

.vcgpa-cgpa-metric-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-color-contrast-500);
  margin-bottom: 6px;
}

.vcgpa-cgpa-num,
.vcgpa-pct-num {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 600;
  color: var(--cs-color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.vcgpa-pct-num {
  color: var(--cs-color-accent);
}

.vcgpa-class-box {
  background: var(--cs-layout-background);
  border: 1px solid var(--cs-color-border);
  border-radius: var(--cs-layout-elements-border-radius);
  padding: 14px 20px;
  text-align: center;
}

.vcgpa-class-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-color-contrast-500);
  margin-bottom: 4px;
}

.vcgpa-class-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cs-color-accent);
  line-height: 1.2;
}

.vcgpa-breakdown {
  background: var(--cs-color-contrast-100);
  border: 1px solid var(--cs-color-border);
  border-radius: var(--cs-thumbnail-border-radius);
  padding: 18px 20px;
  margin-bottom: 24px;
  text-align: center;
}

.vcgpa-formula-title {
  font-size: 0.8rem;
  color: var(--cs-color-secondary);
  margin-bottom: 10px;
  font-weight: 500;
}

.vcgpa-breakdown-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
}

.vcgpa-breakdown-val {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cs-color-primary);
}

.vcgpa-breakdown-op {
  font-size: 1.1rem;
  color: var(--cs-color-contrast-500);
}

.vcgpa-breakdown-eq {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cs-color-accent);
}

.vcgpa-formula-sub {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--cs-color-secondary);
  font-weight: 500;
}

.vcgpa-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--cs-color-border);
  border-radius: var(--cs-thumbnail-border-radius);
  -webkit-overflow-scrolling: touch;
  margin-bottom: 0;
}

.vcgpa-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.vcgpa-table-wrap th,
.vcgpa-table-wrap td {
  padding: 12px 16px;
  text-align: center;
}

.vcgpa-table-wrap thead tr {
  background: var(--cs-color-contrast-100);
  border-bottom: 1.5px solid var(--cs-color-border);
}

.vcgpa-table-wrap th {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cs-color-secondary);
  white-space: nowrap;
}

.vcgpa-table-wrap td {
  border-bottom: 1px solid var(--cs-color-contrast-200);
  color: var(--cs-color-primary);
}

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

.vcgpa-table-wrap tbody tr:hover td {
  background: var(--cs-color-contrast-100);
}

.vcgpa-total-row td {
  border-top: 1.5px solid var(--cs-color-border);
  font-weight: 700;
  color: var(--cs-color-accent);
  background: rgba(var(--cs-color-box-shadow-rgb), 0.08) !important;
}

.vcgpa-guidelines {
  margin-top: 28px;
}

.vcgpa-guidelines-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cs-color-secondary);
  text-align: center;
  margin-bottom: 12px;
}

.vcgpa-guidelines-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.vcgpa-guidelines-table th,
.vcgpa-guidelines-table td {
  padding: 10px 14px;
  text-align: center;
  border-bottom: 1px solid var(--cs-color-border);
}

.vcgpa-guidelines-table th {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cs-color-secondary);
  background: var(--cs-color-contrast-100);
}

.vcgpa-guidelines-table td {
  color: var(--cs-color-primary);
}

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

.vcgpa-sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.35);
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.vcgpa-sheet {
  width: 100%;
  max-width: 500px;
  max-height: 85vh;
  background: var(--cs-layout-background);
  border-radius: 20px 20px 0 0;
  padding: 0 0 24px;
}

.vcgpa-sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--cs-color-border);
  border-radius: 4px;
  margin: 10px auto;
}

.vcgpa-sheet-header {
  padding: 4px 20px 16px;
  border-bottom: 1px solid var(--cs-color-border);
}

.vcgpa-sheet-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cs-color-primary);
}

.vcgpa-sheet-search {
  padding: 12px 20px;
}

.vcgpa-sheet-search-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--cs-color-contrast-100);
  border: 2px solid var(--cs-color-border);
  border-radius: var(--cs-layout-elements-border-radius);
  font-family: var(--cs-font-base-family, sans-serif);
  font-size: 0.9rem;
  color: var(--cs-color-primary);
  outline: none;
  transition: border-color 0.25s, background 0.25s;
}

.vcgpa-sheet-search-input:focus {
  outline: none;
  border-color: var(--cs-color-accent);
  background: var(--cs-layout-background);
}

.vcgpa-sheet-options {
  padding: 8px;
  max-height: calc(85vh - 130px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.vcgpa-sheet-option {
  padding: 14px 16px;
  border-radius: var(--cs-layout-elements-border-radius);
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--cs-color-primary);
  transition: background 0.25s;
}

.vcgpa-sheet-option:hover,
.vcgpa-sheet-option:active {
  background: var(--cs-color-contrast-100);
}

.vcgpa-sheet-option.selected {
  background: rgba(var(--cs-color-box-shadow-rgb), 0.12);
  color: var(--cs-color-accent);
  font-weight: 600;
}

@media (max-width: 768px) {
  .vcgpa-form-card { padding: 24px 16px; border-radius: var(--cs-layout-elements-border-radius); }
  #vcgpaResult { padding: 24px 16px; }
  .vcgpa-cgpa-display { padding: 28px 16px 20px; }
  .vcgpa-student-grid { grid-template-columns: 1fr; }
  .vcgpa-cgpa-divider { width: 48px; height: 1px; }
  .vcgpa-cgpa-row { flex-direction: column; gap: 16px; }
  .vcgpa-input { padding: 13px 14px; font-size: 16px; }
  .vcgpa-trigger { padding: 15px 16px; }
  .vcgpa-native-select { padding: 15px 16px; font-size: 16px; }
}

@media (max-width: 480px) {
  .vcgpa-form-card { padding: 16px 10px; border-radius: var(--cs-layout-elements-border-radius); }
  #vcgpaResult { padding: 16px 10px; }
  .vcgpa-cgpa-display { padding: 24px 10px 18px; }
  .vcgpa-table-wrap { border-radius: var(--cs-layout-elements-border-radius); margin-left: -10px; margin-right: -10px; }
  .vcgpa-table-wrap th, .vcgpa-table-wrap td { padding: 8px 6px; font-size: 0.75rem; }
  .vcgpa-cgpa-num, .vcgpa-pct-num { font-size: 1.8rem; }
  #vcgpaCalcBtn { padding: 15px 24px; font-size: 0.92rem; }
  .vcgpa-breakdown { margin-left: -10px; margin-right: -10px; border-radius: 0; }
}