/* ==========================================================================
   ResumeRewriter Main Styles v2.0
   Built on Design System Foundation
   ========================================================================== */

/* Import Design System */
@import url('./css/design-system.css');

/* ==========================================================================
   1. Page-Specific Styles
   ========================================================================== */

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-brand-50) 0%, var(--color-neutral-50) 100%);
  padding: var(--space-24) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, var(--color-brand-100) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--color-info-100) 0%, transparent 50%);
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, var(--font-size-lg));
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

/* Feature Cards */
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--duration-200) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-brand-500);
  transform: scaleY(0);
  transition: transform var(--duration-300) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-brand-200);
}

.feature-card:hover::before {
  transform: scaleY(1);
}

.feature-icon {
  width: var(--space-12);
  height: var(--space-12);
  background: var(--color-brand-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-brand-600);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Upload Section */
.upload-area {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  text-align: center;
  transition: all var(--duration-200) var(--ease-in-out);
  position: relative;
}

.upload-area.dragover {
  border-color: var(--color-brand-500);
  background: var(--color-brand-50);
}

.upload-area:hover {
  border-color: var(--color-brand-400);
  background: var(--color-neutral-50);
}

.upload-icon {
  width: var(--space-16);
  height: var(--space-16);
  margin: 0 auto var(--space-6);
  color: var(--color-brand-500);
}

.upload-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

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

/* File Upload Progress */
.upload-progress {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.upload-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.upload-progress-title {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.upload-progress-percentage {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-600);
}

/* Template Cards */
.template-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-200) var(--ease-in-out);
  cursor: pointer;
}

.template-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-brand-300);
}

.template-card.selected {
  border-color: var(--color-brand-500);
  box-shadow: 0 0 0 3px var(--color-brand-100);
}

.template-preview {
  aspect-ratio: 8.5 / 11;
  background: var(--color-neutral-100);
  position: relative;
  overflow: hidden;
}

.template-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.template-info {
  padding: var(--space-4);
}

.template-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.template-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Pricing Cards */
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  transition: all var(--duration-200) var(--ease-in-out);
}

.pricing-card.featured {
  border-color: var(--color-brand-500);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-brand-600);
  color: white;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-price {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.pricing-currency {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
}

.pricing-period {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8) 0;
}

.pricing-feature {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-neutral-100);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.pricing-feature:last-child {
  border-bottom: none;
}

.pricing-feature-icon {
  color: var(--color-success-500);
  flex-shrink: 0;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  padding: var(--space-16) 0;
}

.stat-card {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-600);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Testimonial Cards */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
}

.testimonial-quote {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  position: relative;
  padding-left: var(--space-8);
}

.testimonial-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -10px;
  font-size: var(--font-size-4xl);
  color: var(--color-brand-200);
  font-family: serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: var(--space-10);
  height: var(--space-10);
  border-radius: var(--radius-full);
  background: var(--color-neutral-200);
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

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

/* Footer */
.footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-200);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-32);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section h4 {
  color: white;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  padding: var(--space-2) 0;
}

.footer-link a {
  color: var(--color-neutral-400);
  text-decoration: none;
  transition: color var(--duration-200) var(--ease-in-out);
}

.footer-link a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-neutral-800);
  text-align: center;
  color: var(--color-neutral-500);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   2. Dashboard Styles
   ========================================================================== */

.dashboard-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  margin-bottom: var(--space-8);
}

.dashboard-nav {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.dashboard-nav-item {
  padding: var(--space-3) 0;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--duration-200) var(--ease-in-out);
}

.dashboard-nav-item:hover {
  color: var(--color-text-primary);
}

.dashboard-nav-item.active {
  color: var(--color-brand-600);
  border-bottom-color: var(--color-brand-600);
}

.dashboard-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.dashboard-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dashboard-stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.dashboard-table {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.dashboard-table thead {
  background: var(--color-neutral-50);
  border-bottom: 1px solid var(--color-border);
}

.dashboard-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dashboard-table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-neutral-100);
  color: var(--color-text-primary);
}

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

.dashboard-table tbody tr:hover {
  background: var(--color-neutral-50);
}

/* ==========================================================================
   3. Form Styles
   ========================================================================== */

.form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
}

.form-section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.form-help {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error-600);
  margin-top: var(--space-2);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error-500);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  outline-color: var(--color-error-500);
  border-color: var(--color-error-500);
}

/* ==========================================================================
   4. Modal Styles
   ========================================================================== */

.modal-backdrop {
  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: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-200) var(--ease-in-out);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--duration-200) var(--ease-out);
}

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

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--duration-200) var(--ease-in-out);
}

.modal-close:hover {
  background: var(--color-neutral-100);
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ==========================================================================
   5. Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-width: 300px;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  animation: toast-slide-in var(--duration-300) var(--ease-out);
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-icon {
  flex-shrink: 0;
  width: var(--space-5);
  height: var(--space-5);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1);
}

.toast.toast-success {
  border-left: 4px solid var(--color-success-500);
}

.toast.toast-error {
  border-left: 4px solid var(--color-error-500);
}

.toast.toast-warning {
  border-left: 4px solid var(--color-warning-500);
}

.toast.toast-info {
  border-left: 4px solid var(--color-info-500);
}

/* ==========================================================================
   6. Responsive Utilities
   ========================================================================== */

/* Mobile First Approach */
@media (min-width: 640px) {
  .sm\:block { display: block !important; }
  .sm\:hidden { display: none !important; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
  .sm\:text-left { text-align: left; }
}

@media (min-width: 768px) {
  .md\:block { display: block !important; }
  .md\:hidden { display: none !important; }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  .md\:text-left { text-align: left; }
}

@media (min-width: 1024px) {
  .lg\:block { display: block !important; }
  .lg\:hidden { display: none !important; }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:flex-row { flex-direction: row; }
  .lg\:text-left { text-align: left; }
}

/* ==========================================================================
   7. Animation Classes
   ========================================================================== */

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fade-in var(--duration-500) var(--ease-out);
}

.animate-fade-in-up {
  animation: fade-in-up var(--duration-500) var(--ease-out);
}

.animate-fade-in-down {
  animation: fade-in-down var(--duration-500) var(--ease-out);
}

.animate-scale-in {
  animation: scale-in var(--duration-300) var(--ease-out);
}

/* Stagger Animation */
.stagger-children > * {
  animation: fade-in-up var(--duration-500) var(--ease-out) both;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 50ms; }
.stagger-children > *:nth-child(3) { animation-delay: 100ms; }
.stagger-children > *:nth-child(4) { animation-delay: 150ms; }
.stagger-children > *:nth-child(5) { animation-delay: 200ms; }
.stagger-children > *:nth-child(6) { animation-delay: 250ms; }