/* ===== CSS Variables & Reset ===== */
:root {
  /* Color Palette */
  --olive-100: #f3f6ef;
  --olive-200: #e6eedc;
  --olive-300: #cfe0b7;
  --olive-400: #9fb76f;
  --olive-500: #6b8e23; /* olive drab */
  --olive-600: #556b1a;
  --olive-700: #3f4f13;
  --olive-800: #2a340c;
  
  /* Neutrals */
  --muted: #6b6b6b;
  --muted-light: #a0a0a0;
  --border: #e0e0e0;
  --bg: #f6f7f9;
  --card: #ffffff;
  --accent: #111111;
  --glass: rgba(255, 255, 255, 0.8);
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
}

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

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: linear-gradient(180deg, var(--olive-100), var(--bg));
  color: var(--accent);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

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

small {
  font-size: 0.875rem;
  color: var(--muted);
}

a {
  color: var(--olive-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--olive-600);
}

/* ===== Layout Components ===== */
.container {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - 60px);
}

@media (max-width: 1200px) {
  .container {
    grid-template-columns: 240px 1fr;
  }
  .right {
    display: none;
  }
}

@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    padding: var(--spacing-sm);
  }
}

/* ===== Top Navigation ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  color: var(--olive-700);
}

.logo-circle {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--olive-500), var(--olive-600));
  color: white;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 3px 8px rgba(43, 56, 12, 0.18);
  flex-shrink: 0;
}

.search {
  flex: 1;
  max-width: 600px;
  position: relative;
}

.search input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 0.875rem;
  transition: all var(--transition-normal);
}

.search input:focus {
  outline: none;
  border-color: var(--olive-400);
  box-shadow: 0 0 0 3px rgba(107, 142, 35, 0.1);
}

.search i {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.875rem;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  margin-top: var(--spacing-xs);
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 1000;
}

.search-results.active {
  display: block;
}

/* ===== Cards ===== */
.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  transition: transform var(--transition-normal), 
              box-shadow var(--transition-normal);
}

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

/* ===== Sidebar ===== */
.sidebar .profile {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: inline-block;
  flex-shrink: 0;
}

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

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--accent);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.nav-btn:hover {
  background: var(--olive-100);
  color: var(--olive-600);
}

.nav-btn.active {
  background: var(--olive-100);
  color: var(--olive-600);
  font-weight: 600;
}

.nav-btn i {
  width: 20px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  background: var(--error);
  color: white;
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-full);
}

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-sm);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--olive-600);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--spacing-xs);
}

/* ===== Quick Actions ===== */
.quick-action {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm);
  border: none;
  background: transparent;
  color: var(--accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-action:hover {
  background: var(--olive-100);
  color: var(--olive-600);
}

.quick-action i {
  width: 20px;
  text-align: center;
}

/* ===== Feed ===== */
.feed-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.feed-tabs {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--olive-100);
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
}

.feed-tab {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.feed-tab:hover {
  background: rgba(255, 255, 255, 0.7);
}

.feed-tab.active {
  background: var(--card);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.refresh-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: var(--olive-100);
  color: var(--olive-600);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.refresh-btn:hover {
  background: var(--olive-200);
}

/* ===== Composer ===== */
.composer {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.composer textarea {
  flex: 1;
  min-height: 100px;
  max-height: 300px;
  resize: vertical;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: border-color var(--transition-fast);
}

.composer textarea:focus {
  outline: none;
  border-color: var(--olive-400);
}

.composer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  gap: var(--spacing-md);
}

.quick-media {
  display: flex;
  gap: var(--spacing-sm);
}

.quick-media-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--olive-100);
  color: var(--olive-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: grid;
  place-items: center;
  position: relative;
}

.quick-media-btn:hover {
  background: var(--olive-200);
}

.quick-media-btn input[type="file"] {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.media-options {
  display: flex;
  gap: var(--spacing-sm);
}

.media-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--olive-100);
  color: var(--olive-600);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.media-option:hover {
  background: var(--olive-200);
}

.media-option i {
  font-size: 0.875rem;
}

.media-preview {
  margin-top: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 100%;
}

.media-preview img,
.media-preview video {
  max-width: 100%;
  border-radius: var(--radius-md);
}

/* ===== Posts ===== */
.feed {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.post {
  position: relative;
  animation: slideUp 0.3s ease;
}

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

.post-top {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.post-user {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.post-content {
  margin: var(--spacing-md) 0;
  line-height: 1.6;
}

.post-content p {
  margin-bottom: var(--spacing-sm);
}

.post-media {
  margin: var(--spacing-md) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 100%;
}

.post-media img,
.post-media video {
  width: 100%;
  height: auto;
  display: block;
}

.post-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}

.action-row {
  display: flex;
  gap: var(--spacing-md);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background: var(--olive-100);
  color: var(--olive-600);
}

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

.action-btn.liked i {
  animation: likeAnimation 0.3s ease;
}

@keyframes likeAnimation {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.comments {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}

.comment {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  align-items: flex-start;
}

.comment:last-child {
  margin-bottom: 0;
}

.comment-input {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.comment-input input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.comment-input input:focus {
  outline: none;
  border-color: var(--olive-400);
}

/* ===== Right Sidebar Widgets ===== */
.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.widget-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--olive-100);
  color: var(--olive-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: grid;
  place-items: center;
}

.widget-btn:hover {
  background: var(--olive-200);
}

.events-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.event-item {
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  background: var(--olive-50);
  transition: all var(--transition-fast);
}

.event-item:hover {
  background: var(--olive-100);
}

.friends {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.friend {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.friend:hover {
  background: var(--olive-100);
}

.mini-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

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

.online-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--success);
  margin-left: auto;
}

.packs-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.pack-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.pack-item:hover {
  background: var(--olive-100);
}

.pack-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--olive-100);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.pack-info {
  flex: 1;
}

.pack-name {
  font-weight: 600;
  font-size: 0.875rem;
}

.pack-members {
  font-size: 0.75rem;
  color: var(--muted);
}

.join-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--olive-400);
  background: transparent;
  color: var(--olive-600);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.join-btn:hover {
  background: var(--olive-400);
  color: white;
}

.weather-widget {
  text-align: center;
  padding: var(--spacing-md);
}

.weather-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--muted);
}

/* ===== Modals ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideUp 0.3s ease;
}

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

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

.close-modal {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
  transition: color var(--transition-fast);
}

.close-modal:hover {
  color: var(--accent);
}

/* ===== Authentication ===== */
.auth-container {
  padding: var(--spacing-xl);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  background: var(--olive-100);
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-sm);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.active {
  background: var(--card);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: 0.875rem;
}

.form-group input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--olive-400);
}

.auth-btn {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(90deg, var(--olive-500), var(--olive-600));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(107, 142, 35, 0.3);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md);
}

.page-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--accent);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  background: var(--olive-100);
  border-color: var(--olive-400);
}

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

.page-info {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ===== Footer ===== */
footer {
  background: var(--olive-800);
  color: white;
  padding: var(--spacing-xl) 0 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  display: block;
  color: var(--olive-200);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--olive-500);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--olive-300);
  font-size: 0.875rem;
}

/* ===== Utility Classes ===== */
.hidden {
  display: none !important;
}

.loading-posts {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--muted);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--olive-100);
  border-top-color: var(--olive-500);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

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

.view-all {
  width: 100%;
  padding: var(--spacing-sm);
  border: none;
  background: transparent;
  color: var(--olive-600);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.view-all:hover {
  color: var(--olive-700);
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  animation: toastSlideIn 0.3s ease;
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

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

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

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

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

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

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  font-size: 0.875rem;
  color: var(--muted);
}

.toast-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 640px) {
  .topbar {
    padding: var(--spacing-sm);
  }
  
  .brand > div:not(.logo-circle) {
    display: none;
  }
  
  .search {
    max-width: none;
  }
  
  .feed-tabs {
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
  }
  
  .feed-tab span:not(.fa) {
    display: none;
  }
  
  .post-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
  
  .action-row {
    width: 100%;
    justify-content: space-between;
  }
}