/* Modern CSS Reset - Light Mode */
:root {
  --primary: #fb5f66;
  --primary-light: #ff7b82;
  --primary-dark: #e64a51;
  --primary-bg: rgba(251, 95, 102, 0.1);
  --dark: #1a1a1a;
  --header-gradient: linear-gradient(90deg, #fb5f66 0%, #e64a51 100%);
  --page-bg: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  --white: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --text: #333333;
  --text-light: #666666;
  --border: #d0d0d0;
  --success: #4caf50;
  --error: #f44336;
  --warning: #ff9800;
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  --radius: 0.5rem;
  --transition: all 0.2s ease;
  --card-bg: #ffffff;
  --body-bg: #f5f5f5;
}

/* Loading Message */
#loadingWarning,
.warning-message {
  background: rgba(255, 152, 0, 0.15);
  border-left: 4px solid var(--warning);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: fadeIn 0.3s ease;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--warning);
  animation: spin 1s ease-in-out infinite;
  flex-shrink: 0;
}

.loading-text {
  color: var(--warning);
  line-height: 1.5;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

@keyframes dotPulse {

  0%,
  20% {
    content: '.';
  }

  40% {
    content: '..';
  }

  60%,
  100% {
    content: '...';
  }
}

/* Loading Dots */
.loading-dots::after {
  content: '.';
  animation: dotPulse 1.5s infinite;
  display: inline-block;
  width: 1em;
  text-align: left;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Form Hints */
.form-hint {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-light);
}

/* Checkbox Label */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(251, 95, 102, 0.3);
  border-radius: var(--radius);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--body-bg);
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 2rem 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-attachment: fixed;
  background-size: cover;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: var(--header-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  color: var(--dark);
  position: relative;
  padding-bottom: 0.5rem;
}

h2:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-light);
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Container */
.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2.5rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

/* Tab Navigation */
.tabs {
  display: flex;
  gap: 1rem;
  background: var(--light-gray);
  padding: 0.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.tab-button {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.75rem 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
}

.tab-button:hover,
.tab-button:focus {
  color: var(--dark);
  background: rgba(255, 255, 255, 0.9);
}

.tab-button.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow);
  border: 1px solid rgba(251, 95, 102, 0.2);
}

.tab-panel {
  margin-top: 1.5rem;
}

.placeholder-card {
  background: var(--white);
  border: 2px dashed var(--medium-gray);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.placeholder-card h2::after {
  display: none;
}

.placeholder-text {
  margin-top: 1rem;
  color: var(--text-light);
  font-size: 1rem;
}

/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  margin-bottom: 2rem;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo i {
  font-size: 1.75rem;
}

/* Layout */
.flex {
  display: flex;
  gap: 1rem;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {

  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.card-header {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--medium-gray);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  margin-bottom: 1.5rem;
}

.card-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--medium-gray);
  margin-top: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  width: 100%;
  margin: 1.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn-cancel {
  background: #dc3545;
  color: white;
}

.btn-cancel:hover {
  background: #c82333;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.button-group {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.button-group .btn {
  margin: 0;
  flex: 1;
}

/* Forms */
.form-group {
  margin-bottom: 1.75rem;
  background: var(--light-gray);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
}

.form-group:hover {
  border-color: var(--primary-light);
  box-shadow: 0 2px 8px rgba(251, 95, 102, 0.1);
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--dark-gray);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  background-color: var(--white);
  color: var(--text);
  margin-top: 0.5rem;
  display: block;
}

select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23333' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(251, 95, 102, 0.2);
}

select option {
  padding: 0.5rem;
}

select optgroup {
  font-weight: 600;
  color: var(--dark);
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
}

textarea {
  resize: vertical;
}

/* Placeholder styling - lighter and smaller */
input::placeholder,
textarea::placeholder {
  color: #666666;
  font-size: 0.875rem;
  opacity: 0.7;
  line-height: 1.5;
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: #666666;
  font-size: 0.875rem;
  opacity: 0.7;
  line-height: 1.5;
}

input::-moz-placeholder,
textarea::-moz-placeholder {
  color: #666666;
  font-size: 0.875rem;
  opacity: 0.7;
  line-height: 1.5;
}

small {
  display: block;
  margin-top: 0.25rem;
  color: var(--text-light);
  font-size: 0.875rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.75rem;
  cursor: pointer;
}

.checkbox-label span {
  font-weight: 400;
}

/* Checkbox Styling */
.tool-item {
  position: relative;
}

.tool-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.tool-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  min-height: 56px;
}

.tool-checkbox:hover {
  border-color: var(--primary-light);
  background-color: var(--primary-bg);
}

.tool-checkbox .checkmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  background: var(--light-gray);
  border: 2px solid var(--border);
  border-radius: 3px;
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
  vertical-align: middle;
  margin-top: -3px;
}

.tool-checkbox .checkmark:after {
  content: '';
  position: absolute;
  display: none;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 10px;
  border: solid var(--card-bg);
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -60%) rotate(45deg);
}

.tool-checkbox .tool-label {
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
  line-height: 20px;
  vertical-align: middle;
}

/* Checked state */
.tool-input:checked+.tool-checkbox {
  border-color: var(--primary);
  background-color: var(--primary-bg);
}

.tool-input:checked+.tool-checkbox .checkmark {
  background-color: var(--primary);
  border-color: var(--primary);
}

.tool-input:checked+.tool-checkbox .checkmark:after {
  display: block;
}

.tool-input:checked+.tool-checkbox .tool-label {
  color: var(--primary-dark);
  font-weight: 600;
}

/* Focus state */
.tool-input:focus-visible+.tool-checkbox {
  box-shadow: 0 0 0 3px rgba(251, 95, 102, 0.25);
}

/* Toast Notifications */
.toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  padding: 1rem 3rem 1rem 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  z-index: 1000;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  max-width: 500px;
  width: auto;
  min-width: 350px;
  backdrop-filter: blur(10px);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-error {
  background: rgba(255, 245, 245, 0.98);
  border: 1px solid #ffcdd2;
  border-left: 4px solid #ef5350;
  color: #c62828;
}

.toast-success {
  background: rgba(245, 255, 245, 0.98);
  border: 1px solid #c8e6c9;
  border-left: 4px solid #66bb6a;
  color: #2e7d32;
}

.toast-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 0.5rem;
  opacity: 0.5;
  transition: opacity 0.2s;
  flex-shrink: 0;
  margin-left: 1rem;
  line-height: 1;
}

.toast-close:hover {
  opacity: 1;
}

.toast-content {
  flex: 1;
}

.toast-message {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  body {
    padding: 1rem 0.5rem;
    background: var(--page-bg);
  }

  .container {
    padding: 1.5rem;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    border: none;
  }

  .form-group {
    padding: 1rem;
  }

  .btn {
    padding: 0.875rem 1rem;
    font-size: 1rem;
  }
}

/* Summary Card */
.summary.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.tool-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
}

.summary-item {
  padding: 1.5rem;
  background: var(--light-gray);
  border-radius: 8px;
}

/* Status Panel */
.status-content {
  text-align: center;
  padding: 2rem 0;
}

.spinner {
  margin: 0 auto 1rem;
  width: 50px;
  height: 50px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

#statusMessage {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.3s ease;
  text-align: center;
}

.summary-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.summary-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}

.summary-value.score {
  color: var(--primary);
}

/* Results */
.result-item {
  background: var(--light-gray);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--border);
}

.result-item.high-score {
  border-left-color: var(--success);
}

.result-item.medium-score {
  border-left-color: var(--warning);
}

.result-item.low-score {
  border-left-color: var(--error);
}

.result-number {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
}

.result-score.high {
  color: var(--success);
}

.result-score.medium {
  color: var(--warning);
}

.result-score.low {
  color: var(--error);
}

.result-question {
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.result-answer {
  color: var(--text-light);
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--light-gray);
  border-radius: 4px;
  max-height: 150px;
  overflow-y: auto;
}

.result-breakdown {
  margin-top: 1rem;
}

.result-breakdown h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.result-feedback {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--light-gray);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--text-light);
}

/* Rubrics List */
.rubric-card {
  background: var(--light-gray);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.rubric-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.rubric-weight {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

/* Error Panel */
.error-panel {
  border: 2px solid var(--error);
}

.error-content {
  padding: 1rem;
  background: rgba(244, 67, 54, 0.1);
  border-radius: 4px;
  color: var(--error);
}

/* Footer */
footer {
  text-align: center;
  margin-top: 3rem;
  color: var(--text-light);
  opacity: 0.9;
}

footer a {
  color: var(--primary);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  .panel {
    padding: 1.5rem;
  }

  .button-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .result-header {
    flex-direction: column;
  }
}

.panel {
  animation: fadeIn 0.3s ease;
}

/* Result Cards */
.results-summary {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.summary-item {
  flex: 1;
  text-align: center;
}

.summary-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.summary-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
}

.summary-value.score {
  color: var(--primary);
}

/* Result card styles moved to results.css - using hallucination inspector design */
/*
.result-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
  transition: var(--transition);
}

.result-card:hover {
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  background: var(--light-gray);
  border-bottom: 1px solid var(--border);
}

.result-header h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--dark);
}

.result-score {
  font-size: 1.5rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
}

.score-high {
  background: rgba(76, 175, 80, 0.2);
  color: var(--success);
}

.score-medium {
  background: rgba(255, 152, 0, 0.2);
  color: var(--warning);
}

.score-low {
  background: rgba(244, 67, 54, 0.2);
  color: var(--error);
}

.result-content {
  padding: 1.5rem;
}

.result-section {
  margin-bottom: 1.5rem;
}

.result-section:last-child {
  margin-bottom: 0;
}

.result-section strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--dark);
  font-weight: 600;
}

.result-section p {
  color: var(--text);
  line-height: 1.6;
  margin: 0;
}

.rubric-scores {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.rubric-score {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem;
  background: var(--light-gray);
  border-radius: var(--radius);
}
*/

.rubric-name {
  font-weight: 500;
  color: var(--text);
}

.rubric-value {
  font-weight: 700;
  color: var(--primary);
}

/* Feedback Section Styling */
.feedback-section {
  margin-top: 1rem;
}

.feedback-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--light-gray);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.feedback-header:hover {
  background: var(--medium-gray);
}

.feedback-toggle {
  font-size: 0.875rem;
  color: var(--primary);
  transition: transform 0.2s;
}

.feedback-content {
  margin-top: 0.5rem;
  max-height: 600px;
  overflow-y: auto;
  overflow-x: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
  opacity: 1;
  scroll-behavior: smooth;
}

.feedback-content.collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  overflow: hidden;
}

.feedback-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: var(--light-gray);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  line-height: 1.6;
  max-height: none;
  overflow-y: visible;
}

.feedback-item:last-child {
  margin-bottom: 0;
}

.feedback-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.feedback-header strong {
  color: var(--dark);
  flex: 1;
}

.toggle-context-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
}

.toggle-context-btn:hover {
  background: var(--primary-dark);
}

.feedback-text {
  color: var(--text);
  word-wrap: break-word;
  white-space: pre-wrap;
  margin-bottom: 0.5rem;
}

.feedback-context {
  margin-top: 1rem;
  padding: 0.75rem;
  background: white;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.context-section {
  margin-bottom: 0.75rem;
}

.context-section:last-child {
  margin-bottom: 0;
}

.context-section strong {
  color: var(--primary);
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.context-content {
  color: var(--text);
  background: #f8f9fa;
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
  max-height: 200px;
  overflow-y: auto;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.feedback-item span {
  color: var(--text);
  display: block;
  word-wrap: break-word;
  white-space: pre-wrap;
}

/* Special Rubrics Card */
.special-rubrics-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: 2px solid #667eea;
  margin-top: 2rem;
}

.special-header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 2px solid #667eea;
}

.special-header h3 {
  color: #667eea;
  margin: 0 0 0.5rem 0;
  font-size: 1.3rem;
}

.special-description {
  color: #666;
  font-size: 0.9rem;
  margin: 0;
  font-style: italic;
}

.special-rubrics-content {
  padding: 1.5rem;
  background: white;
}

.special-rubric-item {
  background: #f8f9fa;
  border-left: 4px solid #667eea;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

.special-rubric-item:last-child {
  margin-bottom: 0;
}

.special-rubric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.special-rubric-header strong {
  color: #667eea;
  font-size: 1.1rem;
}

.special-rubric-score {
  background: #667eea;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-weight: bold;
  font-size: 0.9rem;
}

.special-rubric-feedback {
  color: var(--text);
  line-height: 1.6;
  padding-left: 0.5rem;
}

/* Dynamic Loader */
.dynamic-loader {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}

.loader-dot {
  width: 10px;
  height: 10px;
  background: var(--warning);
  border-radius: 50%;
  animation: loaderBounce 1.4s infinite ease-in-out both;
}

.loader-dot:nth-child(1) {
  animation-delay: -0.32s;
}

.loader-dot:nth-child(2) {
  animation-delay: -0.16s;
}

.loader-dot:nth-child(3) {
  animation-delay: 0;
}

@keyframes loaderBounce {

  0%,
  80%,
  100% {
    transform: scale(0);
    opacity: 0.5;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Optimize Warning Message */
#optimizeLoadingWarning {
  background: rgba(255, 152, 0, 0.15);
  border-left: 4px solid var(--warning);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: fadeIn 0.3s ease;
}

/* Optimization Button */
.btn-optimize {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-optimize:hover {
  background: linear-gradient(135deg, #5a6fd1 0%, #6a4192 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Optimization Results */
.optimization-result {
  border-left: 4px solid var(--success);
}

.success-text {
  color: var(--success);
  font-weight: 600;
}

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.metadata-item {
  background: var(--light-gray);
  padding: 0.75rem;
  border-radius: var(--radius);
}

.metadata-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.25rem;
}

.metadata-value {
  font-weight: 600;
  color: var(--dark);
  word-break: break-word;
}

.output-path {
  font-family: monospace;
  background: var(--light-gray);
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
  word-break: break-all;
}

/* Optimized Prompt Card */
.optimized-prompt-card {
  border-left: 4px solid var(--primary);
}

.optimized-prompt-card .result-header {
  background: var(--primary-bg);
}

.copy-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(251, 95, 102, 0.3);
}

.copy-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(251, 95, 102, 0.4);
}

.copy-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(251, 95, 102, 0.3);
}

.optimized-prompt-text {
  background: #f8f9fa;
  border-radius: var(--radius);
  padding: 1rem;
  max-height: 400px;
  overflow-y: auto;
}

.optimized-prompt-text pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
}

/* Required field indicator */
.required {
  color: var(--error);
  font-weight: bold;
}

/* Model Selector Enhanced Styling */
.model-select {
  font-size: 0.95rem;
  padding: 0.875rem 2.5rem 0.875rem 1rem;
  background-color: var(--white);
  border: 2px solid var(--border);
  transition: all 0.3s ease;
}

.model-select:hover {
  border-color: var(--primary-light);
  box-shadow: 0 2px 8px rgba(251, 95, 102, 0.15);
}

.model-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(251, 95, 102, 0.15);
}

.model-select option {
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  background: var(--white);
}

.model-select option:hover,
.model-select option:focus {
  background: var(--primary-bg);
}

.model-select optgroup {
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--light-gray);
  padding: 0.5rem 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.model-select option[disabled] {
  color: var(--text-light);
  font-style: italic;
}

/* Generated Dataset Display */
.dataset-panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.dataset-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.dataset-panel h3 {
  margin: 0;
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.dataset-actions {
  display: flex;
  gap: 0.75rem;
}

.dataset-copy-btn,
.dataset-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.dataset-copy-btn {
  background: var(--primary);
  color: white;
}

.dataset-copy-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(251, 95, 102, 0.3);
}

.dataset-copy-btn.copied {
  background: var(--success);
}

.dataset-expand-btn {
  background: var(--light-gray);
  color: var(--text);
  border: 1px solid var(--border);
}

.dataset-expand-btn:hover {
  background: var(--medium-gray);
  transform: translateY(-1px);
}

.dataset-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--primary-bg) 0%, rgba(251, 95, 102, 0.05) 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(251, 95, 102, 0.1);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: center;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.dataset-items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-height: 600px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.dataset-items::-webkit-scrollbar {
  width: 8px;
}

.dataset-items::-webkit-scrollbar-track {
  background: var(--light-gray);
  border-radius: 4px;
}

.dataset-items::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

.dataset-items::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

.dataset-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.dataset-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 12px rgba(251, 95, 102, 0.1);
  transform: translateY(-1px);
}

.dataset-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary);
}

.dataset-item-number {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}

.dataset-item-meta {
  display: flex;
  gap: 0.5rem;
}

.char-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--light-gray);
  color: var(--text-light);
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tool-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--primary-bg);
  color: var(--primary-dark);
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.dataset-q,
.dataset-a,
.dataset-tools {
  margin-bottom: 1rem;
}

.dataset-q:last-child,
.dataset-a:last-child,
.dataset-tools:last-child {
  margin-bottom: 0;
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tool-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--primary);
  color: var(--white);
  border-radius: 16px;
  transition: var(--transition);
}

.tool-tag:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(251, 95, 102, 0.3);
}

.dataset-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.dataset-content {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--light-gray);
  padding: 0.75rem;
  border-radius: 4px;
  position: relative;
}

.dataset-content.expandable {
  max-height: 150px;
  overflow: hidden;
}

.dataset-content.expandable.expanded {
  max-height: none;
  overflow: visible;
}

.answer-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--light-gray));
  pointer-events: none;
}

.expand-answer-btn {
  display: block;
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: transparent;
  color: var(--primary);
  border: 1px dashed var(--primary);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.expand-answer-btn:hover {
  background: var(--primary-bg);
  border-style: solid;
}

.dataset-a .char-count {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-light);
  opacity: 0.7;
}

@media (max-width: 768px) {
  .dataset-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .dataset-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .dataset-stats {
    grid-template-columns: 1fr;
  }

  .dataset-item-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* Warning Banner */
.warning-banner {
  background: rgba(255, 152, 0, 0.15);
  border-left: 4px solid var(--warning);
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: fadeIn 0.3s ease;
}

.warning-icon {
  font-size: 1.5rem;
  color: var(--warning);
  flex-shrink: 0;
}

.warning-text {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Evaluation Guide */
.eval-guide {
  background: linear-gradient(135deg, rgba(251, 95, 102, 0.05) 0%, rgba(230, 74, 81, 0.08) 100%);
  border: 1px solid rgba(251, 95, 102, 0.2);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.eval-guide h4 {
  margin: 0 0 0.75rem 0;
  color: var(--primary-dark);
  font-size: 0.95rem;
  font-weight: 600;
}

.eval-steps {
  margin: 0;
  padding-left: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text);
}

.eval-steps li {
  margin-bottom: 0.4rem;
}

.eval-steps strong {
  color: var(--dark-gray);
  font-weight: 600;
}

.eval-steps .optional {
  font-size: 0.8rem;
  color: var(--text-light);
  font-style: italic;
}

.eval-note {
  margin: 0.75rem 0 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(251, 95, 102, 0.15);
  font-size: 0.8rem;
  color: var(--text-light);
}

/* CSV Upload Link */
.csv-upload-link {
  float: right;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
  cursor: pointer;
}

.csv-upload-link:hover {
  text-decoration: underline;
  color: var(--primary-dark);
}

/* Expected Answers Table */
.expected-answers-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.expected-answers-header label {
  margin: 0;
}

.expected-answers-header small {
  display: inline;
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-light);
}

.back-link {
  font-size: 0.85rem;
  color: var(--primary);
  cursor: pointer;
}

.expected-answers-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.expected-answers-table th,
.expected-answers-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.expected-answers-table th {
  background: var(--light-gray);
  font-weight: 600;
  color: var(--dark);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.expected-answers-table th:first-child {
  width: 40%;
}

.expected-answers-table th:last-child {
  width: 60%;
}

.expected-answers-table td {
  vertical-align: top;
}

.expected-answers-table input,
.expected-answers-table textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.9rem;
  margin: 0;
  resize: vertical;
}

.expected-answers-table textarea {
  min-height: 60px;
}

.expected-answers-table input:focus,
.expected-answers-table textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(251, 95, 102, 0.2);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--white);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  margin: 0;
}

.btn-secondary:hover {
  background: var(--primary-bg);
  transform: translateY(-1px);
}

/* Rubrics Header with Download Button */
.rubrics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.rubrics-header label {
  margin: 0;
}

.btn-download {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: transparent;
  border: 1px solid var(--primary);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-download:hover {
  background: var(--primary-bg);
  transform: translateY(-1px);
}

/* Delete Button in Expected Answers Table */
.btn-delete {
  background: transparent;
  border: none;
  color: #dc3545;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: var(--transition);
  font-weight: bold;
}

.btn-delete:hover {
  background: rgba(220, 53, 69, 0.1);
  color: #c82333;
  transform: scale(1.1);
}

.expected-answers-table td:last-child {
  text-align: center;
  vertical-align: middle;
  padding: 0.5rem;
}