/**
 * AI Job Analyzer Frontend Styles
 *
 * Production-ready styling for the job analyzer interface.
 * Extends the theme's design system with component-specific enhancements.
 *
 * @package JH_AI_Job_Analyzer
 * @since 1.0.0
 */

/* ==========================================================================
   Job Analyzer Container
   ========================================================================== */

.job-analyzer {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

/* ==========================================================================
   Analyzer Form
   ========================================================================== */

.analyzer-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.analyzer-form:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

/* Reset form-group margin for tight layout */
.analyzer-form .form-group {
  margin-bottom: 0;
}

/* ==========================================================================
   Form Groups - Enhanced
   ========================================================================== */

.analyzer-form .form-group label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.025em;
  text-transform: none;
}

.analyzer-form .form-group input,
.analyzer-form .form-group textarea,
.analyzer-form .form-group select {
  font-size: 1rem;
  transition: all var(--transition-fast);
  background-color: var(--color-bg);
}

/* Enhanced focus states with accent glow */
.analyzer-form .form-group input:focus,
.analyzer-form .form-group textarea:focus,
.analyzer-form .form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
  background-color: var(--color-input-bg);
}

/* Error states */
.analyzer-form .form-group.has-error input,
.analyzer-form .form-group.has-error textarea,
.analyzer-form .form-group.has-error select {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-glow);
}

.analyzer-form .form-group.has-error label {
  color: var(--color-error);
}

.analyzer-form .form-group .error-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--space-sm);
  animation: slideIn var(--transition-fast) ease-out;
}

.analyzer-form .form-group .error-message::before {
  content: '⚠';
  font-size: 1rem;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Textarea Specific Styling
   ========================================================================== */

#job-description {
  min-height: 200px;
  font-size: 1rem;
  line-height: 1.7;
  resize: vertical;
  font-family: var(--font-sans);
  padding: var(--space-lg);
}

/* Larger, more readable on desktop */
@media (min-width: 769px) {
  #job-description {
    font-size: 1.0625rem;
    min-height: 220px;
  }
}

/* ==========================================================================
   Character Counter
   ========================================================================== */

.char-count {
  display: block;
  text-align: right;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  transition: color var(--transition-fast);
  font-variant-numeric: tabular-nums;
}

.char-count.warning {
  color: var(--color-warning);
  font-weight: 600;
}

.char-count.limit {
  color: var(--color-error);
  font-weight: 700;
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* ==========================================================================
   Submit Button Enhancements
   ========================================================================== */

.analyzer-form .button-primary {
  width: 100%;
  position: relative;
  min-height: 3.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.025em;
}

.analyzer-form .button-primary:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

.analyzer-form .button-primary .button-text {
  transition: opacity var(--transition-fast);
}

.analyzer-form .button-primary:disabled .button-text {
  opacity: 0.8;
}

/* Loading spinner inline positioning */
.analyzer-form .button-primary .loading-spinner {
  margin-left: var(--space-sm);
  vertical-align: middle;
}

/* ==========================================================================
   Loading Spinner Small Variant
   ========================================================================== */

.loading-spinner.small {
  width: 18px;
  height: 18px;
  border-width: 2px;
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.loading-spinner.small.show {
  display: inline-block;
}

/* ==========================================================================
   Response Container
   ========================================================================== */

.analyzer-response {
  width: 100%;
  max-width: 800px;
  margin: var(--space-2xl) auto 0;
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(18, 18, 26, 0.95) 100%);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xl);
  box-shadow:
    0 0 0 1px var(--color-accent-glow),
    0 8px 32px rgba(99, 102, 241, 0.2),
    0 16px 64px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

/* Animated entrance */
.analyzer-response {
  animation: slideUpFade 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Accent glow effect on left edge */
.analyzer-response::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  box-shadow: 0 0 12px var(--color-accent);
}

/* ==========================================================================
   Response Header
   ========================================================================== */

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

.response-header h3 {
  margin: 0;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.response-header h3::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-success);
  border-radius: 50%;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.response-close {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.9375rem;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.response-close:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-error);
  color: var(--color-error);
  transform: translateY(-1px);
}

.response-close:active {
  transform: translateY(0);
}

/* ==========================================================================
   Response Content Typography
   ========================================================================== */

.analyzer-response #response-content,
.analyzer-response .response-content {
  color: var(--color-text);
  line-height: 1.8;
  font-size: 1rem;
}

.analyzer-response #response-content > *:first-child,
.analyzer-response .response-content > *:first-child {
  margin-top: 0;
}

.analyzer-response #response-content > *:last-child,
.analyzer-response .response-content > *:last-child {
  margin-bottom: 0;
}

/* Headings */
.analyzer-response #response-content h3,
.analyzer-response .response-content h3 {
  color: var(--color-accent);
  font-size: 1.375rem;
  font-weight: 700;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.analyzer-response #response-content h4,
.analyzer-response .response-content h4 {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.analyzer-response #response-content h5,
.analyzer-response .response-content h5 {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

/* Paragraphs */
.analyzer-response #response-content p,
.analyzer-response .response-content p {
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

/* Lists */
.analyzer-response #response-content ul,
.analyzer-response #response-content ol,
.analyzer-response .response-content ul,
.analyzer-response .response-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
  color: var(--color-text);
}

.analyzer-response #response-content ul li,
.analyzer-response #response-content ol li,
.analyzer-response .response-content ul li,
.analyzer-response .response-content ol li {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-sm);
}

.analyzer-response #response-content ul,
.analyzer-response .response-content ul {
  list-style-type: disc;
}

.analyzer-response #response-content ul li::marker,
.analyzer-response .response-content ul li::marker {
  color: var(--color-accent);
}

/* Strong and emphasis */
.analyzer-response #response-content strong,
.analyzer-response .response-content strong {
  color: #fff;
  font-weight: 700;
}

.analyzer-response #response-content em,
.analyzer-response .response-content em {
  color: var(--color-accent-hover);
  font-style: italic;
}

/* Code and pre blocks */
.analyzer-response #response-content code,
.analyzer-response .response-content code {
  padding: 0.25rem 0.5rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent-hover);
  white-space: nowrap;
}

.analyzer-response #response-content pre,
.analyzer-response .response-content pre {
  margin-bottom: var(--space-lg);
  padding: var(--space-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.analyzer-response #response-content pre code,
.analyzer-response .response-content pre code {
  padding: 0;
  background: none;
  border: none;
  white-space: pre;
  color: var(--color-text);
}

/* Blockquotes */
.analyzer-response #response-content blockquote,
.analyzer-response .response-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 4px solid var(--color-accent);
  background-color: var(--color-bg);
  font-style: italic;
  color: var(--color-text-muted);
}

.analyzer-response #response-content blockquote p:last-child,
.analyzer-response .response-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Links */
.analyzer-response #response-content a,
.analyzer-response .response-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-glow);
  text-underline-offset: 2px;
  transition: all var(--transition-fast);
}

.analyzer-response #response-content a:hover,
.analyzer-response .response-content a:hover {
  color: var(--color-accent-hover);
  text-decoration-color: var(--color-accent);
}

/* Tables (if AI generates them) */
.analyzer-response #response-content table,
.analyzer-response .response-content table {
  width: 100%;
  margin-bottom: var(--space-lg);
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.analyzer-response #response-content th,
.analyzer-response #response-content td,
.analyzer-response .response-content th,
.analyzer-response .response-content td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.analyzer-response #response-content th,
.analyzer-response .response-content th {
  background-color: var(--color-bg);
  color: #fff;
  font-weight: 600;
}

.analyzer-response #response-content tr:last-child td,
.analyzer-response .response-content tr:last-child td {
  border-bottom: none;
}

/* Horizontal rules */
.analyzer-response #response-content hr,
.analyzer-response .response-content hr {
  margin: var(--space-2xl) 0;
  border: none;
  border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Response Actions
   ========================================================================== */

.response-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.response-actions .button-primary,
.response-actions .button-secondary {
  flex: 1;
  max-width: 200px;
}

/* ==========================================================================
   Example Prompts
   ========================================================================== */

.example-prompts {
  margin-top: var(--space-3xl);
}

.example-prompts h4 {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
}

.example-prompts ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}

.example-prompts li {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Hover arrow indicator */
.example-prompts li::after {
  content: '→';
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  color: var(--color-accent);
  font-size: 1.5rem;
  font-weight: bold;
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: none;
}

.example-prompts li:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-accent);
  transform: translateX(4px);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.example-prompts li:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.example-prompts li:active {
  transform: translateX(2px);
}

.example-prompts li p {
  margin: 0;
  padding-right: var(--space-2xl);
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ==========================================================================
   Error States
   ========================================================================== */

.analyzer-error {
  padding: var(--space-lg);
  background-color: var(--color-error-glow);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: var(--color-error);
  margin-top: var(--space-lg);
  animation: slideIn var(--transition-base) ease-out;
  display: flex;
  align-items: start;
  gap: var(--space-md);
}

.analyzer-error::before {
  content: '⚠';
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.analyzer-error p {
  margin: 0;
  color: var(--color-error);
  line-height: 1.6;
}

.analyzer-error a {
  color: var(--color-error);
  text-decoration: underline;
  font-weight: 600;
}

.analyzer-error a:hover {
  color: #fff;
}

/* ==========================================================================
   Progress Bar (animated steps during API call)
   ========================================================================== */

.analyzer-progress {
  display: none;
  margin-top: var(--space-lg);
  padding: 0 var(--space-sm);
}

.progress-track {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #9b7654, #d4a574, #f5c98b);
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px rgba(212, 165, 116, 0.4);
}

.progress-step {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted, #9ca3af);
  text-align: center;
  min-height: 1.5em;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.progress-step.fade-in {
  opacity: 1;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.analyzer-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
}

.analyzer-loading .loading-spinner {
  width: 48px;
  height: 48px;
  border-width: 3px;
}

.analyzer-loading .loading-text {
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 500;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

/* High contrast focus indicators */
.analyzer-form input:focus-visible,
.analyzer-form textarea:focus-visible,
.analyzer-form select:focus-visible,
.analyzer-form button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip to content for screen readers */
.skip-to-results {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-to-results:focus {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  width: auto;
  height: auto;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .analyzer-form,
  .analyzer-response,
  .example-prompts li {
    border-width: 2px;
  }

  .analyzer-form input:focus,
  .analyzer-form textarea:focus,
  .analyzer-form select:focus {
    box-shadow: 0 0 0 4px var(--color-accent);
  }
}

/* ==========================================================================
   Mobile Responsive Adjustments
   ========================================================================== */

@media (max-width: 768px) {
  .job-analyzer {
    padding: 0 var(--space-md);
  }

  .analyzer-form {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .analyzer-form .form-group label {
    font-size: 0.875rem;
  }

  #job-description {
    min-height: 150px;
    font-size: 16px; /* Prevent iOS zoom */
    padding: var(--space-md);
  }

  .analyzer-form .button-primary {
    min-height: 3rem;
    font-size: 1rem;
    padding: var(--space-lg) var(--space-xl);
  }

  .analyzer-response {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .response-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .response-header h3 {
    font-size: 1.25rem;
  }

  .response-close {
    width: 100%;
    text-align: center;
  }

  .analyzer-response #response-content,
  .analyzer-response .response-content {
    font-size: 0.9375rem;
  }

  .analyzer-response #response-content h3,
  .analyzer-response .response-content h3 {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
  }

  .analyzer-response #response-content h4,
  .analyzer-response .response-content h4 {
    font-size: 1.0625rem;
  }

  .response-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .response-actions .button-primary,
  .response-actions .button-secondary {
    max-width: none;
    width: 100%;
  }

  .example-prompts {
    margin-top: var(--space-2xl);
  }

  .example-prompts h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
  }

  .example-prompts ul {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .example-prompts li {
    padding: var(--space-md);
  }

  .example-prompts li::after {
    display: none; /* Hide arrow on mobile */
  }

  .example-prompts li:hover {
    transform: translateY(-2px);
  }

  .example-prompts li p {
    padding-right: 0;
    font-size: 0.875rem;
  }

  /* Adjust error messages for mobile */
  .analyzer-error {
    padding: var(--space-md);
    font-size: 0.875rem;
  }
}

/* Small mobile devices */
@media (max-width: 480px) {
  .analyzer-form {
    padding: var(--space-md);
  }

  #job-description {
    min-height: 120px;
  }

  .analyzer-response {
    padding: var(--space-md);
  }

  .response-header h3::before {
    width: 24px;
    height: 24px;
    font-size: 0.875rem;
  }

  .analyzer-response #response-content ul,
  .analyzer-response #response-content ol,
  .analyzer-response .response-content ul,
  .analyzer-response .response-content ol {
    padding-left: var(--space-lg);
  }
}

/* Tablet landscape */
@media (min-width: 769px) and (max-width: 1024px) {
  .example-prompts ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large desktop */
@media (min-width: 1440px) {
  .analyzer-form {
    max-width: 900px;
  }

  .analyzer-response {
    max-width: 900px;
  }

  .analyzer-response #response-content,
  .analyzer-response .response-content {
    font-size: 1.0625rem;
    line-height: 1.9;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .analyzer-form,
  .example-prompts,
  .response-actions,
  .response-close {
    display: none;
  }

  .analyzer-response {
    border: 1px solid #000;
    box-shadow: none;
    page-break-inside: avoid;
  }

  .analyzer-response::before {
    display: none;
  }
}