/* ============================================
   AGOCARE MODERN DESIGN SYSTEM
   Healthcare Q&A Platform Styling
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Primary Colors - Medical Blue/Teal */
  --color-primary: #0d9488;
  --color-primary-light: #14b8a6;
  --color-primary-dark: #0f766e;
  --color-primary-50: #f0fdfa;
  --color-primary-100: #ccfbf1;
  
  /* Secondary Colors - Warm Accent */
  --color-secondary: #f97316;
  --color-secondary-light: #fb923c;
  --color-secondary-dark: #ea580c;
  
  /* Neutral Colors */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Background */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  
  /* 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);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px 0 rgb(31 38 135 / 0.15);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  --gradient-hero: linear-gradient(135deg, #0d9488 0%, #0ea5e9 50%, #8b5cf6 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', 'Poppins', system-ui, sans-serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--bg-secondary);
  min-height: 100vh;
}

/* Smooth page load animation */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes scaleIn {
  from { 
    opacity: 0;
    transform: scale(0.95);
  }
  to { 
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes heartBeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.3); }
  28% { transform: scale(1); }
  42% { transform: scale(1.3); }
  70% { transform: scale(1); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gray-900);
}

h1 { font-size: clamp(1.875rem, 4vw, 2.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 1.875rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: clamp(1.125rem, 2vw, 1.25rem); }

p {
  margin-bottom: var(--space-4);
}

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

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(13, 148, 136, 0.39);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.23);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-gray-100);
  color: var(--color-gray-800);
}

/* Danger Button */
.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

/* Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

/* Icon Button */
.btn-icon {
  padding: var(--space-2);
  border-radius: var(--radius-full);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  background: var(--bg-primary);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ============================================
   CARDS - Modern Glassmorphism Style
   ============================================ */

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.card-gradient {
  background: var(--gradient-card);
  border: 1px solid var(--color-gray-100);
}

/* ============================================
   NAVIGATION BAR - Modern Sticky
   ============================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-100);
  padding: var(--space-3) var(--space-6);
  transition: all var(--transition-base);
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.navbar-brand img {
  height: 40px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.navbar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  background: var(--color-primary-50);
  color: var(--color-primary);
}

.navbar-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.navbar-search input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: 44px;
  background: var(--color-gray-100);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.navbar-search input:focus {
  background: white;
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.navbar-search .search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
}

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

/* ============================================
   QUESTION/CARD STYLES
   ============================================ */

.question-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  border: 1px solid transparent;
  animation: slideUp 0.4s ease-out;
  animation-fill-mode: both;
}

.question-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--color-primary-100);
}

.question-card:nth-child(1) { animation-delay: 0s; }
.question-card:nth-child(2) { animation-delay: 0.05s; }
.question-card:nth-child(3) { animation-delay: 0.1s; }
.question-card:nth-child(4) { animation-delay: 0.15s; }
.question-card:nth-child(5) { animation-delay: 0.2s; }

/* Card Header */
.question-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

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

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-details {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.author-meta {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: 2px;
}

/* Verified Badge */
.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--color-info);
  color: white;
  border-radius: var(--radius-full);
  font-size: 10px;
  flex-shrink: 0;
}

.verified-badge.doctor {
  background: linear-gradient(135deg, #0ea5e9, #3b82f6);
}

.verified-badge.nurse {
  background: linear-gradient(135deg, #10b981, #059669);
}

/* Category Tags */
.category-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-50);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}

.category-tag.pediatrics { background: #dbeafe; color: #2563eb; }
.category-tag.pregnancy { background: #fce7f3; color: #db2777; }
.category-tag.infectious { background: #fef3c7; color: #d97706; }
.category-tag.mental-health { background: #d1fae5; color: #059669; }
.category-tag.sexual-health { background: #ede9fe; color: #7c3aed; }

/* Question Content */
.question-content {
  margin-bottom: var(--space-4);
}

.question-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.question-text {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Media Preview */
.question-media {
  margin: var(--space-4) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.question-media img,
.question-media video {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

/* ============================================
   ENGAGEMENT BUTTONS
   ============================================ */

.question-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.action-btn svg {
  width: 18px;
  height: 18px;
}

/* Upvote Button - Heart Style */
.action-btn.upvote {
  color: var(--color-gray-500);
}

.action-btn.upvote:hover {
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.1);
}

.action-btn.upvote.active,
.action-btn.upvote.liked {
  color: var(--color-error);
}

.action-btn.upvote.liked svg {
  animation: heartBeat 0.8s ease-in-out;
}

/* Comment Button */
.action-btn.comment:hover {
  color: var(--color-info);
  background: rgba(59, 130, 246, 0.1);
}

/* Share Button */
.action-btn.share:hover {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

/* Bookmark Button */
.action-btn.bookmark:hover {
  color: var(--color-warning);
  background: rgba(245, 158, 11, 0.1);
}

.action-btn.bookmark.active {
  color: var(--color-warning);
}

/* Action Count */
.action-count {
  font-weight: 600;
  min-width: 20px;
}

/* ============================================
   MEDIA UPLOAD COMPONENT
   ============================================ */

.media-upload {
  margin-bottom: var(--space-4);
}

.upload-zone {
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--color-gray-50);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-50);
}

.upload-zone.dragover {
  transform: scale(1.02);
}

.upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--color-gray-400);
}

.upload-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}

.upload-hint {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

.upload-formats {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.format-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: white;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  border: 1px solid var(--color-gray-200);
}

/* Preview Grid */
.upload-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.preview-item img,
.preview-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.preview-item:hover .preview-remove {
  opacity: 1;
}

/* File Progress */
.upload-progress {
  margin-top: var(--space-3);
}

.progress-bar {
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

/* ============================================
   MODALS - Modern Glassmorphism
   ============================================ */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: scaleIn 0.3s ease-out;
  border: 1px solid var(--color-gray-100);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
}

.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-800);
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--color-gray-100);
}

/* ============================================
   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 {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 300px;
  animation: slideDown 0.3s ease-out;
  border-left: 4px solid var(--color-primary);
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-error); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.info { border-left-color: var(--color-info); }

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast.success .toast-icon { color: var(--color-success); }
.toast.error .toast-icon { color: var(--color-error); }
.toast.warning .toast-icon { color: var(--color-warning); }
.toast.info .toast-icon { color: var(--color-info); }

.toast-message {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-1);
}

.toast-close:hover {
  color: var(--color-gray-600);
}

/* ============================================
   SKELETON LOADERS
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--space-2);
}

.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
}

.skeleton-title {
  height: 24px;
  width: 70%;
  margin-bottom: var(--space-4);
}

.skeleton-content {
  height: 16px;
  margin-bottom: var(--space-2);
}

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background: var(--color-primary-50);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.empty-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-2);
}

.empty-description {
  color: var(--color-gray-500);
  max-width: 400px;
  margin: 0 auto var(--space-6);
}

/* ============================================
   FILTERS & TABS
   ============================================ */

.filters-bar {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-primary);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

/* ============================================
   STATS CARDS
   ============================================ */

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-card .value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-gray-900);
}

.stat-card .label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.stat-card.urgent { border-left: 4px solid var(--color-error); }
.stat-card.answered { border-left: 4px solid var(--color-success); }
.stat-card.pending { border-left: 4px solid var(--color-warning); }

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-md);
}

.sidebar-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-gray-800);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-item:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

.sidebar-item.active {
  background: var(--color-primary-50);
  color: var(--color-primary);
}

.sidebar-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .navbar-search {
    display: none;
  }
  
  .container {
    grid-template-columns: 1fr !important;
  }
  
  .left-sidebar,
  .right-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    padding: 0 var(--space-4);
  }
  
  .question-card {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }
  
  .question-actions {
    justify-content: space-around;
  }
  
  .action-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }
  
  .modal {
    max-width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    position: fixed;
    bottom: 0;
    max-height: 85vh;
  }
  
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
  }
  
  .toast {
    min-width: auto;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }

.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-primary { color: var(--color-primary); }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }

.w-full { width: 100%; }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.transition { transition: all var(--transition-base); }
.hover-lift:hover { transform: translateY(-4px); }

/* Stagger animation for lists */
.stagger > *:nth-child(1) { animation-delay: 0s; }
.stagger > *:nth-child(2) { animation-delay: 0.05s; }
.stagger > *:nth-child(3) { animation-delay: 0.1s; }
.stagger > *:nth-child(4) { animation-delay: 0.15s; }
.stagger > *:nth-child(5) { animation-delay: 0.2s; }
.stagger > *:nth-child(6) { animation-delay: 0.25s; }
.stagger > *:nth-child(7) { animation-delay: 0.3s; }
.stagger > *:nth-child(8) { animation-delay: 0.35s; }
.stagger > *:nth-child(9) { animation-delay: 0.4s; }
.stagger > *:nth-child(10) { animation-delay: 0.45s; }

/* Share Modal */
.share-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.share-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-gray-50);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.share-option:hover {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
}

.share-option.whatsapp:hover { background: #25d366; color: white; }
.share-option.facebook:hover { background: #1877f2; color: white; }
.share-option.twitter:hover { background: #1da1f2; color: white; }
.share-option.copy:hover { background: var(--color-primary); color: white; }

/* Resolved Badge */
.resolved-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  gap: var(--space-4);
}

.loading-text {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
}