/* ==========================================================================
   OFFICE MOOD BOARD - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette (HSL Tailored) */
  --bg-primary: hsl(210, 40%, 98%);
  --bg-secondary: hsl(210, 30%, 95%);
  --bg-card: #ffffff;
  --text-main: hsl(215, 25%, 12%);
  --text-muted: hsl(215, 16%, 47%);
  
  --primary: hsl(238, 83%, 64%);
  --primary-hover: hsl(238, 83%, 58%);
  --primary-light: hsl(238, 83%, 96%);
  
  --success: hsl(142, 72%, 29%);
  --success-light: hsl(142, 70%, 95%);
  --error: hsl(0, 72%, 51%);
  --error-light: hsl(0, 70%, 96%);
  
  /* Borders and Radii */
  --border-color: hsl(214, 20%, 90%);
  --border-focus: hsl(238, 83%, 80%);
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 20px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  /* Emotion Badges Color Variables */
  --emo-funny-bg: hsl(38, 92%, 93%);
  --emo-funny-txt: hsl(38, 85%, 38%);
  --emo-shocked-bg: hsl(200, 90%, 93%);
  --emo-shocked-txt: hsl(200, 85%, 38%);
  --emo-angry-bg: hsl(0, 92%, 94%);
  --emo-angry-txt: hsl(0, 80%, 42%);
  --emo-proud-bg: hsl(265, 85%, 93%);
  --emo-proud-txt: hsl(265, 80%, 45%);
  --emo-confused-bg: hsl(210, 15%, 90%);
  --emo-confused-txt: hsl(210, 15%, 35%);
  --emo-bored-bg: hsl(160, 20%, 90%);
  --emo-bored-txt: hsl(160, 25%, 35%);
  --emo-excited-bg: hsl(325, 85%, 93%);
  --emo-excited-txt: hsl(325, 80%, 45%);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Page Layout */
.container {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.main-header {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
}

.logo-icon {
  font-size: 1.8rem;
  animation: logo-bounce 4s ease-in-out infinite;
}

.logo-text {
  font-size: 1.4rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
  transform-origin: right;
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Notification Bell */
.notification-container {
  position: relative;
}

.notification-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}
.notification-btn:hover {
  background-color: var(--bg-secondary);
}

.bell-icon {
  font-size: 1.4rem;
  color: var(--text-main);
  transition: transform var(--transition-fast);
}
.notification-btn:hover .bell-icon {
  transform: rotate(15deg);
}

.notification-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background-color: var(--error);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--bg-card);
  animation: pulse-ring 2s infinite;
}

.notification-badge.bounce {
  animation: bell-bounce 0.5s ease;
}

/* Notification Dropdown Menu */
.notification-dropdown {
  position: absolute;
  top: 50px;
  right: 0;
  width: 320px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  display: none;
  z-index: 150;
  max-height: 400px;
  overflow-y: auto;
  animation: dropdown-fade-in var(--transition-fast) forwards;
}

.notification-dropdown.active {
  display: block;
}

.notification-dropdown-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notification-dropdown-header h4 {
  font-size: 0.95rem;
  color: var(--text-main);
}

.clear-notif-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}
.clear-notif-btn:hover {
  text-decoration: underline;
}

.notification-list {
  list-style: none;
}

.notification-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.notification-item:last-child {
  border-bottom: none;
}
.notification-item:hover {
  background-color: var(--bg-primary);
}
.notification-item.unread {
  background-color: var(--primary-light);
}

.notif-avatar {
  background-color: var(--bg-secondary);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.notif-content {
  flex-grow: 1;
}

.notif-text {
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

.notif-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.notif-empty {
  padding: 30px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Main Content Wrapper */
.main-content {
  flex-grow: 1;
  padding: 40px 0;
}

.section-title {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-main), hsl(215, 20%, 30%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 40px;
}

/* Card Styling */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px;
  margin-bottom: 24px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

/* Form Styles */
.form-title {
  font-size: 1.3rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input,
.form-select,
.form-textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  outline: none;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 4px var(--border-focus);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* File Upload Component */
.file-upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-primary);
  transition: border-color var(--transition-normal), background-color var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.file-upload-zone:hover,
.file-upload-zone.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.file-upload-icon {
  font-size: 1.8rem;
  color: var(--text-muted);
}
.file-upload-zone:hover .file-upload-icon {
  color: var(--primary);
}

.file-upload-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.file-upload-text span {
  color: var(--primary);
  font-weight: 600;
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-preview-container {
  display: none;
  width: 100%;
  position: relative;
  margin-top: 10px;
}

.file-preview-img {
  max-height: 150px;
  border-radius: var(--border-radius-sm);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.file-preview-remove {
  position: absolute;
  top: -8px;
  right: calc(50% - 75px - 8px); /* centered around image width estimate */
  background-color: var(--error);
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

/* Checkbox Switch styling */
.switch-container {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  margin-top: 6px;
}

.switch-input {
  display: none;
}

.switch-slider {
  width: 44px;
  height: 24px;
  background-color: var(--bg-secondary);
  border-radius: 12px;
  position: relative;
  transition: background-color var(--transition-fast);
  border: 1px solid var(--border-color);
}
.switch-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: white;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.switch-input:checked + .switch-slider {
  background-color: var(--primary);
  border-color: var(--primary);
}
.switch-input:checked + .switch-slider::before {
  transform: translateX(20px);
}

.switch-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
}

/* Publish Button */
.publish-action {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  padding: 12px 24px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
  display: none;
}
.btn-primary.loading .spinner {
  display: block;
}

/* Post Cards Feed */
.feed-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.post-card {
  animation: fadeInUp var(--transition-slow) forwards;
}

.post-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.post-author-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.post-emotion-badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

/* Custom colors based on emotion class */
.emotion-funny { background-color: var(--emo-funny-bg); color: var(--emo-funny-txt); }
.emotion-shocked { background-color: var(--emo-shocked-bg); color: var(--emo-shocked-txt); }
.emotion-angry { background-color: var(--emo-angry-bg); color: var(--emo-angry-txt); }
.emotion-proud { background-color: var(--emo-proud-bg); color: var(--emo-proud-txt); }
.emotion-confused { background-color: var(--emo-confused-bg); color: var(--emo-confused-txt); }
.emotion-bored { background-color: var(--emo-bored-bg); color: var(--emo-bored-txt); }
.emotion-excited { background-color: var(--emo-excited-bg); color: var(--emo-excited-txt); }

.post-designation {
  background-color: var(--bg-secondary);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}
.post-designation.anonymous {
  background-color: hsl(210, 15%, 90%);
  color: var(--text-muted);
  font-style: italic;
}

.post-meta-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.post-subject {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}

.post-description {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.6;
  white-space: pre-wrap;
  margin-bottom: 16px;
}

.post-image-container {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  max-height: 380px;
  background-color: var(--bg-secondary);
}

.post-image {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.post-image:hover {
  transform: scale(1.02);
}

/* Post Actions Footer */
.post-actions {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.post-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.post-action-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.post-action-icon {
  font-size: 1.15rem;
}

.comment-count-badge {
  background-color: var(--bg-secondary);
  color: var(--text-main);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.post-action-btn:hover .comment-count-badge {
  background-color: var(--primary);
  color: white;
}

/* Comments Drawer/Collapse Section */
.comments-section {
  display: none;
  border-top: 1px solid var(--border-color);
  margin-top: 16px;
  padding-top: 16px;
}

.comments-section.active {
  display: block;
  animation: slideDown var(--transition-normal) forwards;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 4px;
}

.comment-bubble {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  padding: 10px 14px;
  align-self: flex-start;
  max-width: 90%;
  animation: comment-pop var(--transition-normal) forwards;
}

.comment-bubble-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 4px;
}

.comment-author {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.comment-date {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.comment-text {
  font-size: 0.88rem;
  color: var(--text-main);
  white-space: pre-wrap;
}

.comment-input-area {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.comment-textarea {
  flex-grow: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 10px 14px;
  outline: none;
  font-size: 0.9rem;
  min-height: 42px;
  max-height: 120px;
  height: 42px;
  resize: none;
  transition: all var(--transition-fast);
}
.comment-textarea:focus {
  border-color: var(--primary);
  background-color: var(--bg-card);
  height: 60px;
}

.comment-submit-btn {
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}
.comment-submit-btn:hover {
  background-color: var(--primary-hover);
  transform: scale(1.05);
}
.comment-submit-btn:active {
  transform: scale(0.95);
}

.comment-submit-btn .spinner {
  width: 14px;
  height: 14px;
  border-width: 1.5px;
}
.comment-submit-btn.loading .spinner {
  display: block;
}
.comment-submit-btn.loading span {
  display: none;
}

/* Toast Notification (Floating) */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-left: 5px solid var(--primary);
  padding: 16px 20px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 400px;
  transform: translateX(120%);
  animation: toast-in 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: relative;
}

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

.toast-icon {
  font-size: 1.25rem;
}

.toast-content {
  font-size: 0.88rem;
  font-weight: 500;
}

.toast-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Footer Section */
.main-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: auto;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}
.footer-link:hover {
  color: var(--primary);
}

/* Empty States */
.empty-feed {
  text-align: center;
  padding: 60px 20px;
}

.empty-feed-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.empty-feed-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.empty-feed-text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Subpages Content Layout (About, Privacy, Terms, Contact) */
.page-card {
  padding: 40px;
}

.page-title {
  font-size: 2rem;
  margin-bottom: 24px;
  color: var(--text-main);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 10px;
}

.page-content p {
  margin-bottom: 16px;
  line-height: 1.7;
  color: var(--text-main);
}

.page-content h3 {
  margin: 24px 0 12px 0;
  font-size: 1.25rem;
}

.page-content ul,
.page-content ol {
  margin-bottom: 16px;
  padding-left: 20px;
}

.page-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

/* Contact Form Specifics */
.contact-form-info {
  margin-bottom: 30px;
  font-size: 0.95rem;
}

/* AdSense Ad Placement Placeholders (For AdSense Optimization) */
.adsense-placeholder {
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 15px;
  text-align: center;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes logo-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes bell-bounce {
  0%, 100% { transform: rotate(0); }
  20%, 60% { transform: rotate(15deg); }
  40%, 80% { transform: rotate(-15deg); }
}

@keyframes dropdown-fade-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

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

@keyframes toast-in {
  to { transform: translateX(0); }
}

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

/* ==========================================================================
   Responsive Design (Mobile First principles adjusted for desktop grid max-widths)
   ========================================================================== */

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .main-content {
    padding: 24px 0;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
  
  .card {
    padding: 16px;
    border-radius: var(--border-radius-md);
  }
  
  .nav-links {
    gap: 16px;
  }
  
  .nav-link {
    font-size: 0.9rem;
  }
  
  .logo-text {
    font-size: 1.15rem;
  }
  
  .notification-dropdown {
    width: 280px;
    right: -40px; /* offset on mobile to prevent overflow */
  }

  .page-card {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .logo-icon {
    font-size: 1.5rem;
  }
  
  .logo-text {
    display: none; /* Hide brand name text on ultra small screens, keep icon */
  }
  
  .nav-links {
    gap: 12px;
  }
  
  .nav-link {
    font-size: 0.85rem;
  }
  
  .post-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .post-meta-time {
    align-self: flex-end;
  }
}

/* ==========================================================================
   Enhancements - Reactions, Categories, Search, and Trending Panel
   ========================================================================== */

/* Category Badges general styling */
.post-category-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
}

/* Category Badge custom HSL colors */
.category-office-humor {
  background: hsl(38, 92%, 93%);
  color: hsl(38, 85%, 38%);
  border-color: hsl(38, 90%, 85%);
}
.category-boss-moments {
  background: hsl(265, 85%, 94%);
  color: hsl(265, 80%, 45%);
  border-color: hsl(265, 80%, 88%);
}
.category-meetings {
  background: hsl(210, 90%, 93%);
  color: hsl(210, 85%, 38%);
  border-color: hsl(210, 80%, 85%);
}
.category-hr-stories {
  background: hsl(25, 90%, 93%);
  color: hsl(25, 85%, 38%);
  border-color: hsl(25, 80%, 85%);
}
.category-career-advice {
  background: hsl(142, 70%, 93%);
  color: hsl(142, 70%, 30%);
  border-color: hsl(142, 60%, 85%);
}
.category-workplace-confessions {
  background: hsl(0, 92%, 94%);
  color: hsl(0, 80%, 42%);
  border-color: hsl(0, 80%, 88%);
}
.category-team-culture {
  background: hsl(325, 85%, 93%);
  color: hsl(325, 80%, 45%);
  border-color: hsl(325, 80%, 88%);
}
.category-remote-work {
  background: hsl(175, 75%, 92%);
  color: hsl(175, 80%, 32%);
  border-color: hsl(175, 70%, 82%);
}

/* Reactions Section styling */
.reactions-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.reaction-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.reaction-btn:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.reaction-btn:active {
  transform: translateY(1px);
}

.reaction-btn.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--border-focus);
}

.reaction-emoji {
  font-size: 1.05rem;
}

.reaction-count {
  font-size: 0.85rem;
  font-weight: 700;
}

/* Search bar styling */
.search-container {
  margin-bottom: 24px;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

#feed-search {
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 14px 16px 14px 44px;
  outline: none;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#feed-search:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--border-focus);
}

.search-icon {
  position: absolute;
  left: 16px;
  font-size: 1.15rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* Trending Posts Section */
.trending-section {
  margin-bottom: 30px;
}

.trending-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.trending-container {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-behavior: smooth;
  /* hide scrollbars for cleaner horizontal look */
  scrollbar-width: none; /* Firefox */
}

.trending-container::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}

/* Trending horizontal card */
.trending-card {
  width: 280px;
  flex-shrink: 0;
  background-color: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.trending-card:hover {
  transform: translateY(-2px);
  border-color: hsl(38, 92%, 60%); /* Fire color border glow */
  box-shadow: var(--shadow-md);
}

.trending-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.trending-card-meta {
  display: flex;
  gap: 6px;
  align-items: center;
}

.trending-card-subject {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.trending-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.trending-card-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 8px;
  margin-top: auto;
}

/* GPU Acceleration and scroll optimizations */
.post-card, .trending-card {
  will-change: transform, opacity;
  backface-visibility: hidden;
}

/* Category Badge element positioning in Post Card */
.post-category-badge {
  margin-left: 4px;
}