/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

fieldset {
  padding: 30px;
  margin: 20px 0;
}
fieldset:first-child {
  margin-top: 0;
}
fieldset:last-child {
  margin-bottom: 0;
}

textarea {
  resize: none;
  overflow-y: hidden; /* Auto-expand will manage scrolling */
  transition: height 0.1s ease; /* Smooth height transitions */
}

legend {
  font-size: 20px;
  font-weight: bold;
}

.bold {
  font-weight: bold;
}

:root {
  /* WCAG 2.1 AAA compliant colors */
  --color-primary: #0056b3;
  --color-primary-dark: #003d82;
  --color-secondary: #6c757d;
  --color-success: #2d6e2d;
  --color-danger: #b30000;
  --color-warning: #856404;
  --color-info: #004085;

  /* Neutral colors */
  --color-text: #212529;
  --color-text-light: #495057;
  --color-background: #ffffff;
  --color-background-alt: #f8f9fa;
  --color-border: #dee2e6;

  /* Focus indicators */
  --focus-outline: 3px solid #0056b3;
  --focus-outline-offset: 2px;

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

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --line-height: 1.5;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-background);
}

/* Navigation */
nav {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  transition: background-color 0.2s;
}

nav a:hover {
  background-color: var(--color-primary-dark);
}

nav a.active {
  background-color: var(--color-primary-dark);
}

/* Skip to main content link for keyboard users */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Focus styles for accessibility */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 44px; /* WCAG touch target size */
  min-width: 44px;
}

.btn:hover {
  opacity: 0.9;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

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

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

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

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
  min-height: 36px;
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.form-label.required::after {
  content: " *";
  color: var(--color-danger);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-sm);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: 4px;
  min-height: 44px; /* WCAG touch target size */
}

.form-control:focus {
  border-color: var(--color-primary);
}

.form-control.error,
.form-control.invalid {
  border-color: var(--color-danger);
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><circle cx="10" cy="10" r="8" fill="none" stroke="%23b30000" stroke-width="2"/><line x1="6" y1="6" x2="14" y2="14" stroke="%23b30000" stroke-width="2"/><line x1="14" y1="6" x2="6" y2="14" stroke="%23b30000" stroke-width="2"/></svg>');
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 20px 20px;
  padding-right: 40px;
}

.form-control.valid {
  border-color: var(--color-success);
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><circle cx="10" cy="10" r="8" fill="none" stroke="%232d6e2d" stroke-width="2"/><polyline points="6,10 9,13 14,7" fill="none" stroke="%232d6e2d" stroke-width="2"/></svg>');
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 20px 20px;
  padding-right: 40px;
}

/* Remove icons for checkboxes and readonly fields */
input[type="checkbox"].form-control.valid,
input[type="checkbox"].form-control.invalid,
.form-control[readonly].valid,
.form-control[readonly].invalid {
  background-image: none;
  padding-right: var(--spacing-sm);
}

/* Adjust validation icon position for select elements to avoid overlap with dropdown arrow */
select.form-control.invalid,
select.form-control.error {
  background-position: right 35px center;
  padding-right: 65px;
}

select.form-control.valid {
  background-position: right 35px center;
  padding-right: 65px;
}

.form-error,
.table-field-error {
  display: block;
  margin-top: var(--spacing-xs);
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Validation messages with icons for better accessibility */
.error-message {
  background-color: #f8d7da;
  border: 2px solid var(--color-danger);
  color: #721c24;
  padding: var(--spacing-md);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
}

.success-message {
  background-color: #d4edda;
  border: 2px solid var(--color-success);
  color: #155724;
  padding: var(--spacing-md);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
}

.info-message {
  background-color: #d1ecf1;
  border: 2px solid #17a2b8;
  color: #0c5460;
  padding: var(--spacing-md);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
}

.table th,
.table td {
  padding: var(--spacing-sm);
  text-align: left;
  border: 1px solid var(--color-border);
}

.table th {
  background-color: var(--color-background-alt);
  font-weight: 600;
}

.table-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Status badges */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: 4px;
}

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

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

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

/* Application Badges Only */
.badge-formal_review {
  background-color: var(--color-warning);
  color: white;
}

.badge-merit_review {
  background-color: var(--color-primary);
  color: white;
}

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

.badge-in_progress {
  background-color: var(--color-info);
  color: white;
}

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


/* Report Badges Only */
.badge-returned_for_corrections {
  background-color: var(--color-warning);
  color: white;
}

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

.badge-rejected {
  background-color: var(--color-danger);
  color: white;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: var(--font-size-xl);
}

h2 {
  font-size: var(--font-size-lg);
}

/* Loading spinner */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
}

.spinner {
  border: 4px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

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

  nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Print styles */
@media print {
  .no-print {
    display: none !important;
  }
}

/* Utility classes */
.text-right {
  text-align: right;
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.hidden {
  display: none;
}

/* Character counter */
.character-counter {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
  text-align: right;
}

.character-counter.warning {
  color: var(--color-warning);
  font-weight: 600;
}

.character-counter.limit-reached {
  color: var(--color-danger);
  font-weight: 600;
}

/* Validation transitions */
.form-control {
  transition: border-color 0.2s ease, background-image 0.2s ease;
}

.form-error {
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

input[readonly], input[disabled], textarea[readonly], textarea[disabled], select[disabled] {
  background-color: #f5f5f5;
}

input[type="number"][readonly]::-webkit-inner-spin-button,
input[type="number"][readonly]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"][readonly] {
  -moz-appearance: textfield; /* Firefox */
}

fieldset > fieldset {
  margin: 0px;
}

fieldset > fieldset:not(:last-child) {
  margin-bottom: 20px;
}

/* Remove X icon from table inputs - keep only red border */
table .form-control.invalid,
table .form-control.error {
  background-image: none;
  padding-right: var(--spacing-sm);
}

table textarea.form-control.invalid,
table textarea.form-control.error,
table input.form-control.invalid,
table input.form-control.error {
  background-image: none;
  padding-right: var(--spacing-sm);
}

/* User Menu Dropdown */
.user-menu {
    position: relative;
    display: inline-block;
}

.user-menu .user-email {
    color: white;
    font-weight: bold;
    cursor: pointer;
    padding: 14px 16px; /* Match nav link padding */
}

.user-menu-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    right: 0; /* Align to the right */
}

.user-menu-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.user-menu-content a:hover {
    background-color: #f1f1f1;
}

.user-menu:hover .user-menu-content {
    display: block;
}