/* Papertrail - Core Styles */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Roboto+Serif:wght@400;500;600;700&family=Roboto+Mono:wght@400;500;600&display=swap');

/* CSS Variables */
:root {
  /* Colors - Warm Terracotta Theme */
  --color-primary: #c86a4a;
  --color-primary-hover: #b35a3a;
  --color-primary-light: #f5e6e0;

  --color-secondary: #8b7355;
  --color-secondary-hover: #735f45;

  --color-success: #6b9b6e;
  --color-warning: #d4934a;
  --color-error: #c85a4a;

  --color-bg: #faf8f6;
  --color-surface: #ffffff;
  --color-border: #e8dfd8;

  --color-text: #3b2f2a;
  --color-text-muted: #8b7355;
  --color-text-light: #a89884;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-family: 'Roboto', sans-serif;
  --font-family-heading: 'Roboto Serif', serif;
  --font-family-mono: 'Roboto Mono', monospace;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Base */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

/* Accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Layout */
#app {
  min-height: 100vh;
}

.view {
  min-height: 100vh;
}

.view[hidden] {
  display: none;
}

.container {
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  color: var(--color-secondary);
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  color: var(--color-secondary-hover);
  background-color: var(--color-bg);
}

.btn-small {
  padding: 4px 10px;
  font-size: 0.8125rem;
  white-space: nowrap;
  min-height: 28px;
}

.btn-loading[hidden] {
  display: none;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-text);
}

/* Checkbox Labels */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  margin-bottom: var(--spacing-md);
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
  cursor: pointer;
}

.checkbox-label span {
  font-weight: 500;
  color: var(--color-text);
}

/* Group Settings */
.group-settings {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="number"],
input[type="date"] {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

input::placeholder {
  color: var(--color-text-light);
}

.hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.error-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-error);
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-md);
}

.error-message[hidden] {
  display: none;
}

/* Login View */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

#login-view[hidden] {
  display: none;
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.login-language-selector {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.login-title {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.login-cursor {
  display: inline-block;
  font-weight: 300;
  color: var(--color-primary);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.auth-form {
  width: 100%;
  max-width: 24rem;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.auth-form[hidden] {
  display: none;
}

.auth-form .btn {
  width: 100%;
  margin-top: var(--spacing-sm);
}

/* App Header */
.app-header {
  padding: var(--spacing-md) var(--spacing-lg);
}

.header-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.header-top-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-bottom-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.app-logo {
  height: 18px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.user-name {
  font-weight: 500;
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.user-school {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

.language-selector {
  padding: 4px 8px;
  font-size: 0.8125rem;
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #f8f9fa;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-base);
  min-width: 70px;
  max-width: 80px;
  height: 28px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.language-selector:hover {
  border-color: var(--color-primary);
  background: #e9ecef;
}

.language-selector:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200, 106, 74, 0.1);
}

.language-selector option {
  padding: var(--spacing-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-spacer {
  width: 4rem;
}

/* Dashboard */
.dashboard-main {
  padding: var(--spacing-2xl) 0;
}

/* Status Bar */
.status-bar {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-lg);
  border: 1px solid;
  transition: all var(--transition-fast);
}

.status-indicator::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.status-connected {
  background-color: rgba(34, 197, 94, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.status-connected::before {
  background-color: var(--color-success);
}

.status-disconnected {
  background-color: rgba(100, 116, 139, 0.1);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.status-disconnected::before {
  background-color: var(--color-secondary);
}

.input-section {
  padding: var(--spacing-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-2xl);
}

.doc-input-form .form-group {
  margin-bottom: var(--spacing-md);
}

.recent-section {
  margin-top: var(--spacing-2xl);
}

.recent-section h2 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.recent-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.recent-item:hover {
  border-color: var(--color-primary);
}

.recent-item-label {
  font-weight: 500;
}

.recent-item-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.empty-state {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-muted);
}

/* Analysis View */
.analysis-title {
  font-size: var(--font-size-lg);
  text-align: center;
  flex: 1;
}

.analysis-main {
  padding: var(--spacing-lg);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.legend-color {
  width: 1rem;
  height: 1rem;
  border-radius: var(--radius-sm);
}

.chart-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  height: 400px;
  position: relative;
}

.chart-container canvas {
  max-height: 100%;
}

/* Chart wrapper to prevent height growth */
.chart-wrapper {
  height: 400px;
  position: relative;
  width: 100%;
}

.chart-wrapper canvas {
  max-height: 100%;
  max-width: 100%;
}

.document-section {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.document-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.document-header h2 {
  font-size: var(--font-size-base);
  font-weight: 500;
}

.view-toggle {
  display: flex;
  gap: var(--spacing-xs);
}

.toggle-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.toggle-btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-left: -1px;
}

.toggle-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.document-content {
  padding: var(--spacing-lg);
  min-height: 200px;
  max-height: 500px;
  overflow-y: auto;
  font-family: Georgia, serif;
  line-height: 1.8;
}

.document-text {
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Diff highlighting */
.diff-add {
  padding: 1px 2px;
  border-radius: 2px;
}

.diff-delete {
  padding: 1px 2px;
  border-radius: 2px;
}

.diff-unchanged {
  /* No special styling for unchanged text */
}

/* Current revision info */
.revision-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.revision-info-user {
  font-weight: 500;
}

.revision-info-stats {
  color: var(--color-text-muted);
}

.ai-controls {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.ai-controls[hidden] {
  display: none;
}

.pro-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pro-message[hidden] {
  display: none;
}

/* AI Analysis Tokens */
.ai-token {
  padding: 1px 2px;
  border-radius: 2px;
  transition: opacity var(--transition-fast);
}

.ai-token:hover {
  opacity: 1 !important;
}

.ai-analysis-legend {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.ai-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.ai-legend-color {
  width: 1rem;
  height: 0.75rem;
  border-radius: 2px;
}

.ai-legend-color.human {
  background: linear-gradient(90deg, hsl(120, 70%, 50%), hsl(120, 70%, 60%));
}

.ai-legend-color.uncertain {
  background: linear-gradient(90deg, hsl(60, 70%, 50%), hsl(60, 70%, 60%));
}

.ai-legend-color.ai {
  background: linear-gradient(90deg, hsl(0, 80%, 50%), hsl(0, 80%, 60%));
}

.ai-score {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.ai-score-label {
  font-weight: 500;
}

.ai-score-value {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.ai-score-value.low {
  color: var(--color-success);
}

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

.ai-score-value.high {
  color: var(--color-error);
}

/* Pro badge */
.pro-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: white;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  border-radius: var(--radius-sm);
  margin-left: var(--spacing-xs);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
  z-index: 1000;
}

.loading-overlay[hidden] {
  display: none;
}

.spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .app-logo {
    height: 16px;
  }

  .user-name,
  .user-school {
    display: none;
  }

  .language-selector {
    min-width: 75px;
    max-width: 85px;
    font-size: 0.8125rem;
  }

  .btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .app-logo {
    height: 16px;
  }

  .user-name {
    font-size: var(--font-size-sm);
  }

  .user-school {
    font-size: 0.8125rem;
  }

  .language-selector {
    min-width: 85px;
    max-width: 95px;
  }
}

@media (max-width: 640px) {
  .document-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
}

/* ==================== Editor Styles ==================== */

.editor-main {
  height: calc(100vh - 60px);
  background: var(--color-bg);
  overflow: hidden;
}

/* Loading Screen Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.loading-spinner .dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-primary);
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.loading-spinner .dot:nth-child(1) {
  animation-delay: 0s;
}

.loading-spinner .dot:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-spinner .dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulse-dot {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.loading-subtitle {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

.editor-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.editor-stats {
  display: flex;
  gap: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.stat-value {
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

/* Key Control Bar */
.key-control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-top: var(--spacing-md);
}

.key-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.btn-key {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-key.steal {
  background: #3b82f6;
  color: white;
}

.btn-key.steal:hover {
  background: #2563eb;
}

.btn-key.drop {
  background: #f97316;
  color: white;
}

.btn-key.drop:hover {
  background: #ea580c;
}

.key-holder-label {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: #e5e7eb;
  color: #6b7280;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.key-timer {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  min-width: 40px;
  text-align: center;
}

.key-timer.warning {
  color: #f97316;
}

.key-timer.critical {
  color: #ef4444;
}

.sync-status {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.sync-status.error {
  color: #ef4444;
}

/* Formatting Toolbar */
.formatting-toolbar {
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  align-items: center;
}

.format-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  background: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.format-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
}

.format-btn:active,
.format-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 var(--spacing-xs);
}

.editor-textarea {
  flex: 1;
  width: 100%;
  min-height: 600px;
  padding: var(--spacing-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text);
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  outline: none;
  transition: border-color 0.2s;
  overflow-y: auto;
}

.editor-textarea:focus {
  border-color: var(--color-primary);
}

/* Placeholder for contenteditable */
.editor-textarea:empty:before {
  content: attr(data-placeholder);
  color: var(--color-text-light);
  pointer-events: none;
}

.editor-status {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text-muted);
}

.editor-status.saved {
  background: var(--color-success);
  color: white;
}

.editor-status.error {
  background: var(--color-error);
  color: white;
}

/* Lock Banner for Collaborative Editing */
.editor-textarea[contenteditable="false"] {
  background: #f1f5f9;
  cursor: not-allowed;
  border-color: #cbd5e1;
}

/* Formatting styles within editor */
.editor-textarea h2 {
  font-size: 1.5em;
  font-weight: 700;
  margin: 1em 0 0.5em 0;
  line-height: 1.3;
}

.editor-textarea ul,
.editor-textarea ol {
  margin: 0.5em 0;
  padding-left: 2em;
}

.editor-textarea li {
  margin: 0.25em 0;
}

.editor-textarea strong {
  font-weight: 700;
}

.editor-textarea em {
  font-style: italic;
}

.editor-textarea u {
  text-decoration: underline;
}

/* User Legend for Multi-User Attribution */
.user-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.user-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.user-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.user-legend-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* Group Lobby for Group Projects */
.group-lobby {
  margin-bottom: var(--spacing-2xl);
}

.group-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.group-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.group-card:not(.group-card-full):hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.group-card-full {
  opacity: 0.6;
  background: var(--color-bg);
}

.group-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.group-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.group-members {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.group-full-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-secondary);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-left: auto;
}

/* Editor header specific styling */
.editor-header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text-muted);
}

.status-badge.status-draft {
  background: var(--color-warning);
  color: white;
}

.status-badge.status-submitted {
  background: var(--color-success);
  color: white;
}

.status-badge.status-not_started {
  background: var(--color-secondary);
  color: white;
}
.status-badge.status-not_started {
  background: var(--color-secondary);
  color: white;
}

/* ==================== Analysis Styles ==================== */

.analysis-main {
  min-height: calc(100vh - 60px);
  background: var(--color-bg);
  padding: var(--spacing-xl);
}

.analysis-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.analysis-section {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.analysis-section h2 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text);
  font-size: var(--font-size-xl);
}

.text-muted {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Submissions View */
.submissions-view {
  padding: var(--spacing-lg);
}

.submissions-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.submissions-stats {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.stat-block {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  min-height: 36px;
  transition: all var(--transition-fast);
}

.stat-block-deadline {
  background: var(--color-surface);
  border-color: var(--color-error);
  color: var(--color-error);
}

.stat-block-enrolled {
  background: var(--color-surface);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.stat-block-submitted {
  background: var(--color-surface);
  border-color: var(--color-success);
  color: var(--color-success);
}

.stat-content {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.stat-label {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.75;
}

.stat-value {
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.2;
}

.submissions-view h2 {
  margin-top: var(--spacing-md);
  margin-bottom: 0.5rem;
}

.submissions-view .text-muted {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

.submissions-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.submission-card {
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.submission-card-clickable {
  cursor: pointer;
  transition: all 0.2s;
}

.submission-card-clickable:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.submission-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.student-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.student-info h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.student-id {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-family: var(--font-family-mono);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.submission-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.submission-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toggle-label:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.toggle-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.toggle-text {
  font-weight: 500;
}

.toggle-flag {
  color: var(--color-text-muted);
}

.toggle-flag:hover {
  color: var(--color-error);
}

.toggle-flag .toggle-checkbox {
  accent-color: var(--color-error);
}

.submission-read {
  opacity: 0.7;
  background: var(--color-bg);
}

.submission-flagged {
  border-left: 4px solid var(--color-error);
  border-left-color: #ef4444;
}

.submission-badges {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.assignment-card-clickable {
  cursor: pointer;
  transition: all 0.2s;
}

.assignment-card-clickable:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.view-link {
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
}

/* Timeline and fraud analysis styles abbreviated for space */

/* Waterfall Chart Styles */
.waterfall-chart-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

#waterfall-canvas {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  max-width: 100%;
  height: auto;
}

.waterfall-legend {
  display: flex;
  gap: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.legend-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid;
}

.legend-add {
  background: rgba(34, 197, 94, 0.6);
  border-color: rgb(34, 197, 94);
}

.legend-del {
  background: rgba(239, 68, 68, 0.6);
  border-color: rgb(239, 68, 68);
}

.legend-paste {
  background: rgba(147, 51, 234, 0.6);
  border-color: rgb(147, 51, 234);
}

.waterfall-info {
  padding: var(--spacing-md);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--font-size-sm);
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Document Viewer Styles */
.document-viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.time-travel-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

#snapshot-indicator {
  font-weight: 600;
  color: var(--color-text);
  min-width: 120px;
  text-align: center;
}

.document-viewer {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  min-height: 600px;
  max-height: 800px;
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}

.snapshot-meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.snapshot-content {
  font-family: var(--font-family);
  line-height: 1.8;
  color: var(--color-text);
  word-wrap: break-word;
}

/* Rich text formatting in snapshot content */
.snapshot-content h2 {
  font-size: 1.5em;
  font-weight: 700;
  margin: 1em 0 0.5em 0;
  line-height: 1.3;
}

.snapshot-content ul,
.snapshot-content ol {
  margin: 0.5em 0;
  padding-left: 2em;
}

.snapshot-content li {
  margin: 0.25em 0;
}

.snapshot-content strong {
  font-weight: 700;
}

.snapshot-content em {
  font-style: italic;
}

.snapshot-content u {
  text-decoration: underline;
}

.snapshot-content p {
  margin: 0.5em 0;
}

.keyboard-hint {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
}

/* Diff highlighting in document viewer */
.diff-addition {
  color: #3b82f6;
  text-decoration: underline;
  text-decoration-color: #3b82f6;
  text-decoration-thickness: 2px;
  background-color: rgba(59, 130, 246, 0.1);
}

.diff-deletion {
  color: #dc2626;
  text-decoration: line-through;
  text-decoration-color: #dc2626;
  text-decoration-thickness: 2px;
  background-color: rgba(220, 38, 38, 0.1);
  opacity: 0.8;
}

/* Generic Card Component */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

/* Enhanced Form Styles */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: all 0.2s;
  background-color: white;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 12px;
  padding-right: 2.5rem;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

/* Teacher Dashboard Sections */
.create-section {
  margin-bottom: 3rem;
}

.create-section .card {
  max-width: 100%;
}

.create-section h2 {
  margin: 0 0 1.5rem 0;
  font-size: var(--font-size-xl);
  color: var(--color-text);
}

.assignments-section {
  margin-top: 3rem;
}

.assignments-section h2 {
  margin-bottom: 1.5rem;
  font-size: var(--font-size-xl);
  color: var(--color-text);
}

/* Assignment List - Clean Hover Effect */
.assignment-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.assignment-card-clickable {
  cursor: pointer;
}

.assignment-card-clickable:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary);
}

.assignment-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.assignment-card p {
  margin: 0 0 1rem 0;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.assignment-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

/* Access Code Display */
.access-code-container {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.access-code-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.access-code-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.access-code {
  font-family: var(--font-family-mono);
  background-color: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  color: #1f2937;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.btn-copy {
  padding: 0.4rem;
  min-width: auto;
  transition: all 0.2s ease;
}

.btn-copy:hover {
  background: #eff6ff;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.view-link {
  color: var(--color-primary);
  font-weight: 500;
}

/* Form Grid Layout */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Student Enrollment Section */
.enroll-section {
  margin-bottom: 2rem;
}

.enroll-section h2 {
  margin: 0 0 0.5rem 0;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.enroll-section .text-muted {
  margin: 0 0 1.5rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.enroll-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}

.enroll-form .form-group {
  flex: 1;
  margin-bottom: 0;
}

.enroll-form button {
  flex-shrink: 0;
  margin-bottom: 0;
  height: 45px;
  box-sizing: border-box;
  padding: var(--spacing-sm) var(--spacing-lg);
  line-height: 1.5;
}

.access-code-input {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-base);
  letter-spacing: 1px;
  text-transform: uppercase;
  height: 45px;
  line-height: 1.5;
  padding: var(--spacing-sm) var(--spacing-md);
  box-sizing: border-box;
}

.enroll-message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.enroll-message-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.enroll-message-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

@media (max-width: 768px) {
  .enroll-form {
    flex-direction: column;
    align-items: stretch;
  }

  .enroll-form button {
    width: 100%;
  }
}

/* Assignment Card with Actions */
.assignment-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.assignment-card-content {
  flex: 1;
}

.assignment-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Icon Buttons */
.btn-icon {
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--color-surface);
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}

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

.btn-edit:hover {
  background: #eff6ff;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-delete {
  color: #6b7280;
}

.btn-delete:hover {
  background: #fef2f2;
  border-color: #dc2626;
  color: #dc2626;
}

/* ================================
   Super Admin Dashboard Styles
   ================================ */

.admin-nav {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.tab-button {
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: -2px;
}

.tab-button:hover {
  color: var(--color-primary);
}

.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.admin-content {
  max-width: 1200px;
  margin: 0 auto;
}

.tab-content {
  animation: fadeIn 0.3s ease;
}

.admin-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.admin-section h2 {
  margin-top: 0;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  font-size: var(--font-size-xl);
}

.section-description {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.section-description code {
  font-family: var(--font-family-mono);
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.bulk-import-form {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.file-name-display {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
}

.admin-form {
  max-width: 600px;
}

.admin-form .form-group {
  margin-bottom: var(--spacing-lg);
}

.admin-form label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-weight: 500;
}

.admin-form input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color 0.2s ease;
}

.admin-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.admin-form small {
  display: block;
  margin-top: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.admin-table thead {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.admin-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
}

.admin-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.admin-table tbody tr:hover {
  background: var(--color-bg);
}

.usage-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.usage-badge.usage-full {
  background: #fee2e2;
  color: var(--color-error);
}

.license-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
}

.license-badge.license-pro {
  background: #dbeafe;
  color: #1e40af;
}

.license-badge.license-basic {
  background: #f3f4f6;
  color: #6b7280;
}

.pro-feature-badge {
  display: inline-block;
  margin-left: var(--spacing-sm);
  padding: 2px var(--spacing-xs);
  background: #dbeafe;
  color: #1e40af;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.checkbox-label input[type="checkbox"]:disabled + span {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.disabled,
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.empty-state {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.loading {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

/* Logs Table Styles */
.log-filters {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.log-filters label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.log-filters input[type="radio"] {
  cursor: pointer;
}

.logs-table .log-timestamp {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.logs-table .log-event {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.log-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.log-badge-info {
  background: #dbeafe;
  color: #1e40af;
}

.log-badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.log-badge-error {
  background: #fee2e2;
  color: #991b1b;
}

.log-level-warning {
  background: #fffbeb;
}

.log-level-error {
  background: #fef2f2;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* License Key Display */
.license-key-wrapper {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: nowrap;
}

.license-key {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  user-select: all;
}

.license-key.hidden {
  user-select: none;
  letter-spacing: 2px;
}

.btn-icon {
  background: none;
  border: none;
  padding: var(--spacing-xs);
  cursor: pointer;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
  height: 32px;
  width: 32px;
}

.btn-icon:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.btn-icon:active {
  transform: scale(0.95);
}

.btn-show-key:hover {
  color: var(--color-success);
}

.actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  min-height: 32px;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Modal */
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

.modal-large {
  max-width: 900px;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Modal Header */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-text);
}

.modal-close {
  padding: var(--spacing-xs);
}

/* Modal Body */
.modal-body {
  padding: var(--spacing-lg);
}

.modal-body .form-group {
  margin-bottom: var(--spacing-lg);
}

.modal-body .form-group:last-child {
  margin-bottom: 0;
}

/* Modal Footer */
.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.modal-footer button {
  min-width: 100px;
}

/* Bulk Import Styles */
.success-message {
  color: var(--color-success);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0 0 var(--spacing-md);
}

.import-instructions {
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-lg);
  padding: var(--spacing-md);
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: var(--radius-md);
}

.import-results {
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: var(--spacing-lg);
}

.import-results .admin-table {
  font-size: var(--font-size-sm);
}

.import-results .license-key {
  font-size: 12px;
}

/* Statistics Tab Styles */
.statistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
  margin: 0 0 var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-sm) 0;
  line-height: 1;
}

.stat-card .stat-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.stat-card .stat-trend {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
}

.stat-card .stat-trend.positive {
  color: var(--color-success);
}

.stat-card .stat-trend.neutral {
  color: var(--color-text-muted);
}

.statistics-charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.chart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.chart-container h3 {
  margin: 0 0 var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  font-weight: 600;
}

.chart-container canvas {
  max-height: 300px;
}

/* School Admin Dashboard Styles */

/* License Usage Section */
.license-usage-section {
  margin-bottom: var(--spacing-xl);
}

.license-usage {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.license-usage.license-warning {
  border-color: var(--color-warning);
  background: #fffbeb;
}

.license-usage.license-full {
  border-color: var(--color-error);
  background: #fef2f2;
}

.license-usage-info h3 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-text);
  font-size: var(--font-size-xl);
}

.license-type-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
}

.license-type-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.license-count {
  margin: var(--spacing-sm) 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.license-count strong {
  color: var(--color-text);
  font-size: var(--font-size-2xl);
}

.license-usage-bar {
  height: 8px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: var(--spacing-md);
}

.license-usage-progress {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.license-usage.license-warning .license-usage-progress {
  background: var(--color-warning);
}

.license-usage.license-full .license-usage-progress {
  background: var(--color-error);
}

.license-message {
  margin: var(--spacing-md) 0 0 0;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.license-message.warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid var(--color-warning);
}

.license-message.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid var(--color-error);
}

/* Role Badges */
.role-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-badge.role-school_admin {
  background: #dbeafe;
  color: #1e40af;
}

.role-badge.role-teacher {
  background: #dcfce7;
  color: #166534;
}

.role-badge.role-student {
  background: #fef3c7;
  color: #92400e;
}

/* Section Header with Search */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin: 0;
}

.search-box {
  flex: 0 0 300px;
}

.search-box input[type="search"] {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
}

.search-box input[type="search"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Text Muted */
.text-muted {
  color: var(--color-text-muted);
  font-style: italic;
}

/* ================================
   Custom Modal System
   ================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
}

.modal-container {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 400px;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.modal-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.modal-body {
  padding: var(--spacing-xl);
  overflow-y: auto;
  flex: 1;
}

.modal-body p {
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.6;
  white-space: pre-wrap;
}

.modal-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  margin-top: var(--spacing-sm);
}

.modal-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 2px solid var(--color-border);
  background: var(--color-bg-secondary);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.modal-footer .btn {
  min-width: 80px;
}

/* Responsive modal */
@media (max-width: 768px) {
  .modal-container {
    min-width: auto;
    width: 90%;
    margin: var(--spacing-md);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-md);
  }
}

/* ============================================
   Typing Speed Distribution Chart
   ============================================ */

.velocity-chart-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  width: 100%;
}

.velocity-chart-container .chart-wrapper {
  height: 500px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.velocity-stats-table {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
}

.velocity-stats-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.velocity-stats-table thead {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.velocity-stats-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.velocity-stats-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.velocity-stats-table tbody tr:last-child td {
  border-bottom: none;
}

.velocity-stats-table tbody tr:hover {
  background: var(--color-bg);
}

.velocity-stats-table .color-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: var(--spacing-sm);
  vertical-align: middle;
  border: 2px solid currentColor;
}

.velocity-stats-table td:nth-child(2),
.velocity-stats-table td:nth-child(3) {
  font-family: var(--font-family-mono);
  color: var(--color-primary);
}

.velocity-stats-table td:nth-child(4) {
  font-family: var(--font-family-mono);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.velocity-stats-table td:nth-child(5) {
  color: var(--color-text-muted);
  text-align: center;
}

/* Responsive table */
@media (max-width: 768px) {
  .velocity-chart-container .chart-wrapper {
    height: 400px;
    padding: var(--spacing-md);
  }

  .velocity-stats-table {
    padding: var(--spacing-md);
  }

  .velocity-stats-table table {
    font-size: 0.75rem;
  }

  .velocity-stats-table th,
  .velocity-stats-table td {
    padding: var(--spacing-sm);
  }
}

/* ============================================
   Authorship Visualization
   ============================================ */

.authorship-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.authorship-legend {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  align-items: center;
}

.authorship-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.authorship-legend-color {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  border: 2px solid currentColor;
}

.authorship-legend-name {
  font-weight: 500;
}

.authorship-legend-count {
  color: var(--color-text-muted);
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
}

.authorship-viewer {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  min-height: 400px;
  max-height: 800px;
  overflow-y: auto;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.authorship-viewer.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-style: italic;
}

.authorship-char {
  position: relative;
  border-bottom: 2px solid;
  border-bottom-color: transparent;
  transition: all 0.2s ease;
}

.authorship-char:hover {
  border-bottom-width: 3px;
  z-index: 10;
  filter: brightness(0.85);
}

/* Preserve formatting */
.authorship-viewer h1,
.authorship-viewer h2,
.authorship-viewer h3 {
  font-family: var(--font-family-heading);
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-md) 0;
  line-height: 1.4;
}

.authorship-viewer h1 {
  font-size: var(--font-size-2xl);
}

.authorship-viewer h2 {
  font-size: var(--font-size-xl);
}

.authorship-viewer h3 {
  font-size: var(--font-size-lg);
}

.authorship-viewer p {
  margin: var(--spacing-md) 0;
}

.authorship-viewer ul,
.authorship-viewer ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.authorship-viewer li {
  margin: var(--spacing-sm) 0;
}

.authorship-viewer strong {
  font-weight: 600;
}

.authorship-viewer em {
  font-style: italic;
}

.authorship-viewer u {
  text-decoration: underline;
}

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

  .authorship-legend {
    width: 100%;
  }

  .authorship-viewer {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

/* ================================
   GDPR Consent Notice Styles
   ================================ */
.consent-notice {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--color-surface-secondary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius);
}

.consent-title {
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-base);
}

.consent-list {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  list-style-type: disc;
}

.consent-list li {
  margin: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.consent-required {
  margin: var(--spacing-sm) 0 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-warning);
  font-weight: 500;
  font-style: italic;
}

.consent-notice a {
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
}

.consent-notice a:hover {
  color: var(--color-primary-dark);
}

/* Login page consent notice - smaller spacing */
.consent-notice-login {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.consent-notice-login .consent-title {
  font-size: var(--font-size-sm);
}

.consent-notice-login .consent-list {
  margin: var(--spacing-xs) 0;
}

.consent-notice-login .consent-list li {
  font-size: 0.813rem;
}

.consent-notice-login .consent-required {
  font-size: 0.813rem;
}

/* Legal document links in consent notice */
.legal-link {
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
}

.legal-link:hover {
  color: var(--color-primary-dark);
}

/* ================================
   Legal Document Viewer Styles
   ================================ */
.legal-document-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.legal-document-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.legal-document-content {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  line-height: 1.8;
  font-size: var(--font-size-base);
}

.legal-document-content h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--spacing-sm);
}

.legal-document-content h2 {
  font-size: 1.5rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.legal-document-content h3 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.legal-document-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.legal-document-content ul,
.legal-document-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.legal-document-content li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-secondary);
}

.legal-document-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.legal-document-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.legal-document-content a:hover {
  color: var(--color-primary-dark);
}

.legal-document-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-xl) 0;
}

.legal-document-content code {
  background: var(--color-surface-secondary);
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  font-family: monospace;
  font-size: 0.9em;
}

/* ===========================================
   Account Popup Styles
   =========================================== */

.account-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
}

.account-popup {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: accountPopupSlideIn 0.3s ease-out;
}

@keyframes accountPopupSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.account-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.account-popup-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-family: var(--font-family-heading);
  color: var(--color-text);
}

.account-close-btn {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.account-close-btn:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.account-popup-body {
  padding: var(--spacing-lg);
}

.account-section {
  margin-bottom: var(--spacing-xl);
}

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

.account-section h3 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-family);
}

.account-section-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.5;
}

.account-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.account-buttons .btn {
  justify-content: center;
  display: flex;
  align-items: center;
}

.btn-block {
  width: 100%;
}

.btn-danger {
  background: var(--color-error);
  color: white;
  border: none;
}

.btn-danger:hover {
  background: #b34a3a;
}

/* Responsive */
@media (max-width: 600px) {
  .account-popup {
    max-width: 100%;
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
}

/* ===========================================
   Privacy Requests Styles
   =========================================== */

.gdpr-requests-section {
  margin-top: var(--spacing-2xl);
}

.privacy-requests-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.summary-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
}

.summary-stat .stat-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.summary-stat .stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

.privacy-requests-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

.privacy-requests-table thead {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.privacy-requests-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.privacy-requests-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.privacy-request-row.deadline-critical {
  background: #fff5f5;
  border-left: 4px solid #c85a4a;
}

.privacy-request-row.deadline-warning {
  background: #fffaf0;
  border-left: 4px solid #d4934a;
}

.privacy-request-row.deadline-overdue {
  background: #ffe0e0;
  border-left: 4px solid #b34a3a;
  font-weight: 500;
}

.privacy-request-row.deadline-ok {
  border-left: 4px solid transparent;
}

.user-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.user-cell strong {
  color: var(--color-text);
}

.user-cell small {
  color: var(--color-text-muted);
  font-size: 0.85em;
}

.request-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.request-type-badge.access {
  background: #e6f4ff;
  color: #0056b3;
}

.request-type-badge.erasure {
  background: #ffe0e0;
  color: #c85a4a;
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.status-pending {
  background: #fff9e6;
  color: #d4934a;
}

.status-badge.status-in_progress {
  background: #e6f4ff;
  color: #0056b3;
}

.status-badge.status-completed {
  background: #e8f5e9;
  color: #2e7d32;
}

.status-badge.status-rejected {
  background: #ffe0e0;
  color: #c85a4a;
}

.deadline-info {
  font-size: var(--font-size-sm);
}

.deadline-info.deadline-critical,
.deadline-info.deadline-overdue {
  color: #c85a4a;
  font-weight: 600;
}

.deadline-info.deadline-warning {
  color: #d4934a;
  font-weight: 600;
}

.action-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-approve {
  color: #2e7d32;
  background: #e8f5e9;
}

.btn-approve:hover {
  background: #c8e6c9;
}

.btn-reject {
  color: #c85a4a;
  background: #ffe0e0;
}

.btn-reject:hover {
  background: #ffcccc;
}

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

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}

.empty-state svg {
  margin-bottom: var(--spacing-md);
}

.empty-state p {
  font-size: var(--font-size-lg);
  margin: var(--spacing-md) 0;
}

.empty-state small {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* AI Analysis Progress Bar */
.ai-analysis-progress {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.progress-bar {
  width: 100%;
  height: 24px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.progress-text {
  margin-top: var(--spacing-sm);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* AI Fraud Highlighting */
.ai-fraud-highlight {
  background: rgba(255, 0, 0, 0.15);
  border-bottom: 2px solid rgba(255, 0, 0, 0.5);
  cursor: help;
  position: relative;
}

.ai-fraud-highlight:hover::after {
  content: 'Potential AI-generated text (confidence: ' attr(data-confidence) '%)';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  pointer-events: none;
  z-index: 1000;
  margin-bottom: 4px;
}

/* Authorship Header Flexbox */
.authorship-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

/* Maintenance Tab Styles */
.maintenance-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.maintenance-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.maintenance-card h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text);
}

.maintenance-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex-grow: 1;
}

.maintenance-card button {
  align-self: flex-start;
}

.maintenance-result {
  padding: 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.maintenance-result.success {
  background: #d1fae5;
  border: 1px solid #10b981;
  color: #065f46;
}

.maintenance-result.error {
  background: #fee2e2;
  border: 1px solid #ef4444;
  color: #991b1b;
}

.maintenance-history {
  margin-top: 1rem;
}

.maintenance-history .note {
  color: var(--text-secondary);
  font-style: italic;
}