/* ==========================================================================
   RESPONSIVE.CSS (Mobile First Approach Overrides)
   Targeting: Mobile (320px+), Tablet (768px+), Desktop (1024px+)
   ========================================================================== */

/* --- SHARED UTILITIES --- */
.desktop-only {
  display: flex !important;
}

.burger-btn {
  display: none; /* Hidden on desktop */
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  margin-right: 15px;
  transition: all 0.2s;
}

.burger-btn:hover {
  background: rgba(255,255,255,0.1);
}

/* OFF-CANVAS MENU (Hidden by default) */
.mobile-offcanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: rgba(18, 20, 24, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 2000;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-right: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
}

.mobile-offcanvas.active {
  transform: translateX(0);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.offcanvas-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.offcanvas-header h2 {
  font-size: 20px;
  color: white;
  margin: 0;
}

.close-offcanvas {
  background: none;
  border: none;
  color: #aaa;
  font-size: 24px;
  cursor: pointer;
}

.offcanvas-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Off-canvas Nav Items */
.offcanvas-content .nav-item {
  width: 100%;
  justify-content: flex-start;
  padding: 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
}
.offcanvas-content .nav-item.active {
  background: rgba(0, 102, 179, 0.2);
  border-color: #0066b3;
}


/* --- TABLETS & SMALL LAPTOPS (Max 1024px) --- */
@media (max-width: 1024px) {
  /* Hide Desktop Elements */
  .desktop-only {
    display: none !important;
  }

  .share-buttons {
    gap: 20px;
    width: 100%;
    justify-content: center;
  }
  
  /* Show Burger */
  .burger-btn {
    display: flex;
  }
  
  /* Hide Sidebar on Forum Main */
  .forum-layout .sidebar {
    display: none;
  }
  .topic-view-layout .sidebar {
    display: none;
  }
  
  /* Single Column Layouts */
  .forum-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .topic-view-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Header adjustments */
  header {
    padding: 10px 15px;
    height: auto;
  }
  
  /* HIDE HEADER TEXT ON MOBILE */
  .logo-container h1 {
     display: none;
  }
  
  /* Make controls smaller */
  .controls {
     gap: 5px;
  }
  
  .controls .btn span {
     display: none; /* Icon only buttons */
  }
  
  .controls .btn {
     padding: 8px; /* Square-ish buttons */
     min-width: 50px;
     place-content: center;
  }

  /* Fix Header Alignment on Mobile */
  .topics-header {
    flex-direction: column-reverse; /* Search on top, button on bottom or vice versa? Actually Search usually top. */
    align-items: stretch;
    gap: 15px;
  }
  
  .topics-header .search-box {
    max-width: 100%;
    width: 100%;
  }
  
  .topics-header .btn {
    width: 100%;
    justify-content: center;
  }

  /* Fix Double Border on Search Input */
  .search-box input {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
    height: auto !important;
  }
  
  .search-box {
    /* Ensure wrapper has the styles */
    background: var(--f-glass-heavy);
    border: 1px solid var(--f-glass-border);
    border-radius: 30px;
    padding: 12px 20px;
  }
  
  /* --- PROFILE & EDIT RESPONSIVENESS --- */
  .profile-header-panel {
     padding: 0;
     border-radius: var(--f-radius-lg);
  }
  
  .profile-cover-bg {
     height: 150px;
  }
  
  .profile-avatar-large {
     width: 120px;
     height: 120px;
  }
  
  .profile-stats-grid {
     grid-template-columns: 1fr; /* Stack stats on mobile */
  }
  
  /* EDIT PROFILE MODAL FIXES */
  #edit-profile-modal .auth-content {
      width: 100%;
      height: 100%;
      max-width: 100%;
      border-radius: 0;
      padding: 20px;
      justify-content: flex-start;
      overflow-y: auto;
  }
  
  .auth-input, .edit-textarea {
      font-size: 16px; /* Stop iOS zoom */
  }
  
}

/* --- MOBILE DEVICES (Max 768px) --- */
@media (max-width: 768px) {
  
  /* 1. TOPIC LIST CARDS */
  .topic-row {
    display: flex !important; /* Force Flex over Grid */
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 15px;
    position: relative;
  }
  
  /* Avatar & Title Row */
  .topic-row {
    position: relative;
    padding-left: 20px;
  }
  
  .topic-status-icon {
    width: 40px;
    height: 40px;
    font-size: 16px;
    position: absolute;
    top: 20px;
    right: 20px;
    border-radius: 50%; /* Rounded on mobile */
  }

  .topic-main-content {
    width: 100%;
  }

  .topic-main-content h3 {
    font-size: 16px;
    padding-right: 50px; /* Space for icon */
    margin-bottom: 12px;
  }

  /* Reflow Meta Line */
  .topic-meta-line {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 12px;
  }
  
  .topic-badge {
    font-size: 10px;
    padding: 3px 8px;
  }

  /* Stats Row at bottom */
  .topic-stats {
    flex-direction: row;
    align-items: center;
    width: 100%;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.05);
    gap: 15px;
    text-align: left;
    justify-content: flex-start;
  }
  
  .topic-stats div {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
  }

  /* 2. TOPIC VIEW MOBILE */
  
  /* Header Info */
  .topic-header-row {
    flex-direction: column;
  }
  
  .topic-header-main h1 {
    font-size: 20px;
  }
  
  .topic-header-meta {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
  
  /* Post Card Layout */
  .post-card {
    grid-template-columns: 1fr; /* Stacked */
  }
  
  .post-user-panel {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    padding: 15px;
    text-align: left;
    border-right: none;
    border-bottom: 1px solid var(--f-glass-border);
    background: rgba(0,0,0,0.3);
  }
  
  .post-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 18px;
    margin-bottom: 0;
    margin-right: 12px;
  }
  
  .post-content-panel {
    padding: 20px;
  }
  
  .post-text-body pre {
    overflow-x: auto; /* Ensure code blocks scroll */
    max-width: 100%;
  }

  /* Sticky Action Bar (Optional enhancement, sticking to flow for now to avoid complexity) */
  .post-footer-actions {
    justify-content: space-between;
  }
  
  .btn-action span {
    display: inline; /* Keep text visible if space permits, or hide? */
  }
  
  /* 3. MODALS FULLSCREEN */
  .auth-content, .modal-content {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    border-radius: 0 !important;
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* Align to top to prevent cut-off */
    padding: 20px;
    padding-bottom: 40px; /* Space for bottom scroll */
    overflow-y: auto !important; /* Force scroll */
  }
  
  .auth-modal {
    padding: 0; /* Remove padding around modal */
  }
  
  /* 4. CHAT WIDGET */
  .chat-window {
    width: 100%;
    height: 100%;
    bottom: 0;
    right: 0;
    border-radius: 0;
  }
  
  /* Contact Form Mobile Fix */
  .legal-container {
      margin: 20px 10px !important;
      padding: 15px !important;
  }

  /* Footer stacking on mobile */
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
  }

  .footer-links {
    justify-content: center;
  }
}

/* --- SMALL MOBILE (Max 375px) --- */
@media (max-width: 375px) {
  .logo-container h1 {
    display: none; /* Hide text logo on very small screens */
  }
  
  .controls .btn span {
    display: none; /* Hide auth text */
  }
  
  .search-box input {
    font-size: 14px;
  }
}