/* ==========================================================================
   VANNAMIT -  STYLE COMPREHENSIVE THEME STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOP NAVIGATION HEADER
   -------------------------------------------------------------------------- */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo-img {
  max-height: 38px;
  width: auto;
  object-fit: contain;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.nav-brand:hover .site-logo-img,
.footer-brand:hover .footer-logo-img {
  transform: scale(1.04);
}

.footer-logo-img {
  max-height: 42px;
}

/* --------------------------------------------------------------------------
   HEADER QUICK NAV TABS (HOT / EXPLORE / TRENDING)
   -------------------------------------------------------------------------- */
.header-nav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-sm);
}

.header-nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.22s ease;
  white-space: nowrap;
}

.header-nav-tab i {
  font-size: 0.85rem;
  color: var(--cyan);
  transition: transform 0.2s ease;
}

.header-nav-tab:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

.header-nav-tab.active {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
  border: 1px solid var(--glass-border-hover);
}

.header-nav-tab:hover i {
  transform: scale(1.15);
}

@media (max-width: 640px) {
  .header-nav-tab span {
    display: none;
  }
  .header-nav-tab {
    padding: 6px 10px;
  }
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

/* Base Nav List Layout (Single Horizontal Row) */
.nav-tabs ul.vannamit-nav-list,
.nav-tabs ul.menu,
.nav-tabs ul.nav-menu,
.nav-tabs > ul {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 4px !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 4px !important;
  background: var(--bg-surface) !important;
  border-radius: var(--radius-full) !important;
  border: 1px solid var(--border-default) !important;
}

/* Top-level Menu Items (Side-by-side) */
.nav-tabs ul.vannamit-nav-list > li,
.nav-tabs ul.menu > li,
.nav-tabs ul.nav-menu > li,
.nav-tabs > ul > li {
  position: relative !important;
  display: inline-flex !important;
  align-items: center !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

/* Top-level Links */
.nav-tabs ul.vannamit-nav-list > li > a,
.nav-tabs ul.menu > li > a,
.nav-tabs ul.nav-menu > li > a,
.nav-tabs > ul > li > a,
.nav-tab {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 6px 14px !important;
  border-radius: var(--radius-full) !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  transition: all 0.2s ease !important;
  background: transparent !important;
  border: none !important;
}

/* Hover & Current Active Item */
.nav-tabs ul.vannamit-nav-list > li:hover > a,
.nav-tabs ul.menu > li:hover > a,
.nav-tabs > ul > li:hover > a,
.nav-tabs ul.vannamit-nav-list > li.current-menu-item > a,
.nav-tabs ul.vannamit-nav-list > li.current-menu-ancestor > a,
.nav-tabs ul.menu > li.current-menu-item > a,
.nav-tab:hover,
.nav-tab.active {
  color: var(--text-primary) !important;
  background: var(--bg-surface-hover) !important;
}

/* Dropdown Arrow Icon */
.drop-icon {
  font-size: 0.68rem !important;
  margin-left: 4px !important;
  transition: transform 0.2s ease !important;
}

.nav-tabs li:hover > a .drop-icon,
.nav-tab-dropdown:hover .drop-icon {
  transform: rotate(180deg) !important;
}

/* SUB-MENU DROPDOWN (Strictly Vertical Column Popup) */
.nav-tabs ul.sub-menu,
.nav-tabs ul.children,
.dropdown-menu-box {
  position: absolute !important;
  top: calc(100% + 10px) !important;
  left: 0 !important;
  min-width: 220px !important;
  background: var(--bg-secondary) !important;
  border: 1px solid var(--glass-border-hover) !important;
  border-radius: var(--radius-md) !important;
  padding: 8px !important;
  box-shadow: var(--shadow-md) !important;
  list-style: none !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
  margin: 0 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(8px) !important;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease !important;
  z-index: 1050 !important;
}

/* Show Sub-menu on Parent Hover */
.nav-tabs li:hover > ul.sub-menu,
.nav-tabs li:hover > ul.children,
.nav-tab-dropdown:hover .dropdown-menu-box {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}

/* Sub-menu Item List Elements */
.nav-tabs ul.sub-menu > li,
.nav-tabs ul.children > li {
  display: block !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

/* Sub-menu Links */
.nav-tabs ul.sub-menu > li > a,
.nav-tabs ul.children > li > a,
.dropdown-item {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  padding: 10px 14px !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-secondary) !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  background: transparent !important;
  white-space: nowrap !important;
  width: 100% !important;
  transition: all 0.2s ease !important;
}

.nav-tabs ul.sub-menu > li > a:hover,
.nav-tabs ul.children > li > a:hover,
.dropdown-item:hover {
  background: var(--bg-surface-hover) !important;
  color: var(--text-primary) !important;
  transform: translateX(4px) !important;
}

.tab-badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--cyan-dim);
  color: var(--cyan);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Switcher Toggle Button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.theme-toggle:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

/* Header Search Button */
.header-search-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.25s ease;
}

.header-search-btn:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

/* Search Modal Overlay */
.search-modal-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.75) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  z-index: 99999 !important;
  display: none !important;
  align-items: flex-start !important;
  justify-content: center !important;
  padding: 100px 20px 20px !important;
}

.search-modal-overlay.active {
  display: flex !important;
}

.search-modal-card {
  width: 100%;
  max-width: 620px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow-md), 0 0 30px rgba(0, 212, 255, 0.15);
  animation: modalPop 0.3s ease;
}

.search-modal-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-default);
}

.search-modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--font-heading);
}

.search-modal-close {
  position: static !important;
  width: 32px !important;
  height: 32px !important;
  border-radius: var(--radius-full) !important;
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-default) !important;
  color: var(--text-muted) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  font-size: 1rem !important;
}

.search-modal-close:hover {
  color: #ef4444 !important;
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.1) !important;
  transform: scale(1.08) !important;
}

.search-modal-header {
  margin-top: 0;
  margin-bottom: 18px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--cyan);
  font-size: 1.1rem;
  pointer-events: none;
}

.search-modal-input {
  width: 100%;
  padding: 14px 120px 14px 46px;
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s ease;
}

.search-modal-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.search-submit-btn {
  position: absolute;
  right: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.search-submit-btn:hover {
  opacity: 0.9;
}

.search-modal-tags {
  border-top: 1px dashed var(--border-default);
  padding-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-tags-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

.search-tag-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.search-tag-pill {
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--cyan);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s ease;
}

.search-tag-pill:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.icon-sun { display: none; color: #f59e0b; }
.icon-moon { display: block; color: var(--cyan); }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

.nav-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  cursor: pointer;
  position: relative;
  transition: all 0.25s ease;
}

.nav-avatar:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
}

/* --------------------------------------------------------------------------
   2. AUTH MODALS
   -------------------------------------------------------------------------- */
.auth-modal-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.75) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  z-index: 99999 !important;
  display: none !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 20px !important;
}

.auth-modal-overlay.active {
  display: flex !important;
}

.auth-modal-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  box-shadow: var(--shadow-md);
  animation: modalPop 0.3s ease;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.auth-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color 0.2s;
}

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

.auth-modal-header {
  text-align: center;
  margin-bottom: 20px;
}

.auth-brand-badge {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.auth-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.auth-modal-subtitle {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.auth-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.forgot-link {
  font-size: 0.8rem;
  color: var(--cyan);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.forgot-link:hover {
  text-decoration: underline;
  opacity: 0.85;
}

.auth-form-remember {
  margin: 12px 0 16px;
  display: flex;
  align-items: center;
}

.checkbox-container {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  accent-color: var(--cyan);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.auth-form-group {
  margin-bottom: 16px;
}

.auth-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.auth-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.auth-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.auth-submit-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: 10px;
  transition: opacity 0.2s, transform 0.2s;
}

.auth-submit-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   3. LEFT PROFILE SIDEBAR CARD (HUYKIRA STYLE - STICKY DESKTOP SIDEBAR)
   -------------------------------------------------------------------------- */
@media (min-width: 993px) {
  aside.profile-card,
  .profile-card,
  #profile-card {
    position: sticky !important;
    top: 90px !important;
    align-self: start !important;
    z-index: 10 !important;
  }

  .profile-card-inner {
    max-height: none !important;
    overflow: visible !important;
    overflow-y: visible !important;
  }
}

.profile-card-inner {
  padding: 28px 22px;
  text-align: center;
}

.avatar-section {
  position: relative;
  display: inline-block;
  margin-bottom: 18px;
}

.avatar-ring {
  width: 124px;
  height: 124px;
  position: relative;
  margin: 0 auto;
}

.avatar-ring-svg {
  width: 100%;
  height: 100%;
  animation: ringRotate 15s linear infinite;
}

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

.avatar-img-wrapper {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 108px;
  height: 108px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 2px solid var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-fallback-badge {
  font-size: 2.2rem;
  font-weight: 900;
  font-family: var(--font-heading);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.avatar-status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: #10b981;
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 10px #10b981;
}

.profile-identity {
  margin-bottom: 16px;
}

.profile-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.verified-badge {
  color: var(--cyan);
  display: inline-flex;
}

.profile-handle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.profile-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cyan);
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--cyan-dim);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 212, 255, 0.15);
  min-height: 28px;
}

.typing-cursor {
  display: inline-block;
  color: var(--cyan);
  font-weight: 800;
  margin-left: 2px;
  animation: blinkCursor 0.75s infinite;
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.follow-btn {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  width: 100% !important;
  box-sizing: border-box !important;
  padding: 12px 20px !important;
  border-radius: var(--radius-full) !important;
  background: var(--accent-gradient) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  font-size: 0.92rem !important;
  text-decoration: none !important;
  transition: all 0.3s ease !important;
  box-shadow: var(--shadow-glow) !important;
  margin-top: 14px !important;
  margin-bottom: 20px !important;
  border: none !important;
}

.follow-btn:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.45) !important;
  color: #ffffff !important;
  opacity: 0.95 !important;
}

.follow-btn i {
  font-size: 1.05rem !important;
}

.profile-stats {
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: var(--bg-surface);
  padding: 12px 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  margin-bottom: 20px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 24px;
  background: var(--border-default);
}

.profile-bio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  text-align: left;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-default);
}

.profile-info {
  text-align: left;
  margin-bottom: 20px;
}

.profile-info li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.profile-info svg, .profile-info i {
  color: var(--cyan);
  flex-shrink: 0;
}

.profile-achievements {
  text-align: left;
}

/* --------------------------------------------------------------------------
   SIDEBAR NAVIGATION MENU (BELOW ACHIEVEMENTS)
   -------------------------------------------------------------------------- */
.sidebar-nav-section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-default);
  text-align: left !important;
  width: 100% !important;
}

.sidebar-nav-section .section-label {
  text-align: left !important;
  justify-content: flex-start !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  margin-bottom: 12px !important;
}

.sidebar-nav-wrapper {
  width: 100% !important;
  text-align: left !important;
}

.sidebar-nav-list,
.sidebar-nav-wrapper ul {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
  width: 100% !important;
  text-align: left !important;
}

.sidebar-nav-list > li,
.sidebar-nav-wrapper ul > li {
  position: relative !important;
  display: block !important;
  width: 100% !important;
  text-align: left !important;
  margin: 0 !important;
  padding: 0 !important;
}

.sidebar-nav-item,
.sidebar-nav-list > li > a,
.sidebar-nav-wrapper ul > li > a {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 12px !important;
  padding: 10px 14px !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-default) !important;
  transition: all 0.22s ease !important;
  text-align: left !important;
  width: 100% !important;
}

.sidebar-nav-item i,
.sidebar-nav-list > li > a i,
.sidebar-nav-wrapper ul > li > a i {
  color: var(--cyan) !important;
  width: 18px !important;
  text-align: center !important;
  flex-shrink: 0 !important;
}

.sidebar-nav-list > li:hover > a,
.sidebar-nav-wrapper ul > li:hover > a,
.sidebar-nav-list > li.current-menu-item > a,
.sidebar-nav-wrapper ul > li.current-menu-item > a {
  background: var(--bg-surface-hover) !important;
  color: var(--cyan) !important;
  border-color: var(--cyan) !important;
  box-shadow: 0 4px 12px rgba(92, 45, 10, 0.08) !important;
  transform: translateX(4px) !important;
}

.sidebar-nav-list .drop-icon,
.sidebar-nav-wrapper .drop-icon {
  margin-left: auto !important;
  font-size: 0.72rem !important;
  transition: transform 0.2s ease !important;
}

.sidebar-nav-list li:hover > a .drop-icon,
.sidebar-nav-wrapper li:hover > a .drop-icon {
  transform: rotate(180deg) !important;
}

/* Sidebar Sub-Menu (Nested Vertical Accordion) */
.sidebar-nav-list .sub-menu,
.sidebar-nav-wrapper .sub-menu,
.sidebar-sub-menu {
  list-style: none !important;
  margin: 4px 0 6px 14px !important;
  padding: 6px 0 6px 10px !important;
  border-left: 2px solid var(--cyan-dim) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  text-align: left !important;
  transition: all 0.25s ease !important;
}

.sidebar-nav-list .sub-menu li a,
.sidebar-nav-wrapper .sub-menu li a,
.sidebar-sub-menu li a {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 10px !important;
  padding: 8px 12px !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-secondary) !important;
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  text-align: left !important;
  transition: all 0.2s ease !important;
}

.sidebar-nav-list .sub-menu li a i,
.sidebar-nav-wrapper .sub-menu li a i,
.sidebar-sub-menu li a i {
  font-size: 0.8rem !important;
  color: var(--cyan) !important;
}

.sidebar-nav-list .sub-menu li a:hover,
.sidebar-nav-wrapper .sub-menu li a:hover,
.sidebar-sub-menu li a:hover {
  color: var(--text-primary) !important;
  background: var(--cyan-dim) !important;
  transform: translateX(4px) !important;
}

.section-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.label-icon { color: var(--cyan); }

.achievement-row {
  display: flex;
  gap: 12px;
}

.achievement {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.25s ease;
}

.achievement:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.achievement-icon {
  font-size: 1.3rem;
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   4. AI CHAT ASSISTANT CARD (VĂN NAM AI)
   -------------------------------------------------------------------------- */
.chat-card {
  padding: 20px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 18px;
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  position: relative;
}

.chat-avatar-inner {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.chat-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: #10b981;
  border: 2px solid var(--bg-secondary);
}

.chat-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-badge {
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--pink);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.chat-status-text {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chat-action-btn {
  color: var(--text-muted);
  font-size: 1rem;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.chat-action-btn:hover {
  color: var(--pink);
  background: var(--bg-surface);
}

.chat-messages {
  max-height: 380px;
  overflow-y: auto;
  padding-right: 6px;
  margin-bottom: 16px;
}

.chat-welcome {
  text-align: center;
  padding: 10px 0;
}

.chat-welcome-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.chat-welcome-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 6px auto 16px;
}

.chat-suggest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  text-align: left;
}

.chat-suggest-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  transition: all 0.25s ease;
  cursor: pointer;
}

.chat-suggest-card:hover {
  border-color: var(--cyan);
  background: var(--bg-surface-hover);
  transform: translateY(-2px);
}

.chat-suggest-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.chat-suggest-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.chat-suggest-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Chat Input Area */
.chat-input-area {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  padding: 6px 8px 6px 18px;
  transition: border-color 0.2s;
}

.chat-input-area:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.chat-send-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: transform 0.2s;
}

.chat-send-btn:hover {
  transform: scale(1.08);
}

/* Message Bubble items */
.msg-bubble {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
}

.msg-bubble.user { align-items: flex-end; }
.msg-bubble.ai { align-items: flex-start; }

.msg-content {
  max-width: 80%;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.5;
}

.msg-bubble.user .msg-content {
  background: var(--accent-gradient);
  color: #fff;
  border-bottom-right-radius: 2px;
}

.msg-bubble.ai .msg-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
}

/* --------------------------------------------------------------------------
   5. TECH STACK & PINNED PRODUCTS
   -------------------------------------------------------------------------- */
.tech-stack {
  padding: 22px;
  margin-bottom: 28px;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  cursor: default;
}

.tech-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.tech-pill:hover {
  border-color: var(--cyan);
  color: var(--text-primary);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
}

.pinned-repos {
  margin-bottom: 28px;
}

.repos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.repo-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

.repo-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
}

.repo-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.repo-icon { color: var(--cyan); }

.repo-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.repo-badge {
  margin-left: auto;
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--cyan-dim);
  color: var(--cyan);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.repo-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 14px;
}

.repo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.repo-lang {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.repo-stat {
  font-weight: 700;
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   6. CONTRIBUTION ACTIVITY GRAPH
   -------------------------------------------------------------------------- */
.contrib-card {
  padding: 22px;
  margin-bottom: 28px;
}

.contrib-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.contrib-year-pills {
  display: flex;
  gap: 6px;
}

.year-pill {
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
}

.year-pill.active {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.contrib-graph-wrapper {
  overflow-x: auto;
  padding-bottom: 8px;
}

.contrib-months {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 28px;
  margin-bottom: 6px;
}

.contrib-body {
  display: flex;
  gap: 8px;
}

.contrib-days {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.contrib-grid {
  display: grid;
  grid-template-rows: repeat(7, 12px);
  grid-auto-flow: column;
  grid-auto-columns: 12px;
  gap: 4px;
}

.square {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .square { background: rgba(0, 0, 0, 0.06); }

.l0 { background: rgba(255, 255, 255, 0.05); }
.l1 { background: rgba(0, 212, 255, 0.25); }
.l2 { background: rgba(0, 212, 255, 0.55); }
.l3 { background: rgba(0, 212, 255, 0.82); }
.l4 { background: #00d4ff; box-shadow: 0 0 6px #00d4ff; }

.contrib-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.legend-squares {
  display: flex;
  gap: 4px;
}

.lsq {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   7. BLOG POSTS TIMELINE FEED
   -------------------------------------------------------------------------- */
.blog-card {
  padding: 22px;
}

.blog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-default);
}

.blog-count {
  font-size: 0.82rem;
  color: var(--cyan);
  font-weight: 700;
  background: var(--cyan-dim);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.blog-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.blog-card-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  padding: 16px;
  overflow: hidden;
  transition: all 0.25s ease;
}

@media (max-width: 640px) {
  .blog-card-item {
    grid-template-columns: 1fr;
  }
}

.blog-card-item:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.post-card-thumb {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
}

.post-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card-item:hover .post-card-img {
  transform: scale(1.06);
}

.fallback-thumb-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--cyan);
  background: var(--cyan-dim);
}

.post-card-cat {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.post-card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.post-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}

.post-card-title a {
  color: var(--text-primary);
}

.post-card-title a:hover {
  color: var(--cyan);
}

.post-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-default);
  padding-top: 10px;
}

.post-card-meta-left {
  display: flex;
  gap: 14px;
}

/* Pagination Styling */
.pagination-wrapper {
  margin-top: 24px;
  text-align: center;
}

.pagination-wrapper .page-numbers {
  display: inline-flex;
  gap: 8px;
}

.pagination-wrapper a, .pagination-wrapper span {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
}

.pagination-wrapper .current {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
}

/* --------------------------------------------------------------------------
   8. SINGLE POST DETAIL & ENTRY CONTENT
   -------------------------------------------------------------------------- */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent-gradient);
  width: 0%;
  z-index: 1001;
  transition: width 0.1s linear;
}

.single-post-card {
  padding: 32px;
  margin-bottom: 28px;
}

.single-post-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-default);
}

.single-post-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.single-cat-badge {
  background: var(--cyan-dim);
  color: var(--cyan);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.single-post-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.single-author-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar-small {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.author-info-small {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  font-size: 0.9rem;
}

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

.single-post-featured-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 28px;
}

.entry-content {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.entry-content p { margin-bottom: 1.4em; }

.entry-content h2, .entry-content h3, .entry-content h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 1.8em 0 0.8em;
  color: var(--text-primary);
}

.entry-content pre {
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  overflow-x: auto;
  margin-bottom: 1.5em;
}

.entry-content blockquote {
  border-left: 4px solid var(--cyan);
  background: var(--cyan-dim);
  padding: 14px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 1.5em;
  font-style: italic;
}

/* Single Post Footer Meta (Categories & Tags Links) */
.single-footer-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px dashed var(--border-default);
  margin-top: 24px;
}

.single-cats-list,
.single-tags-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 4px;
}

.cat-pill {
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--cyan-dim);
  color: var(--cyan);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 212, 255, 0.2);
  text-decoration: none;
  transition: all 0.2s ease;
}

.cat-pill:hover {
  background: var(--cyan);
  color: #ffffff;
  transform: translateY(-1px);
}

.author-bio-card {
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 28px;
}

.author-bio-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 900;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-bio-details h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.verified-icon { color: var(--cyan); }

.author-bio-details p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.author-follow-link {
  font-size: 0.82rem;
  font-weight: 700;
}

/* Tags List & Pills */
.single-tags-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-default);
}

.tags-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}

.tag-pill {
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--cyan);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s ease;
}

.tag-pill:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

/* Comments Section Styling */
.comments-wrapper {
  padding: 28px;
  margin-bottom: 28px;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-sizing: border-box;
}

.comment-form input[type="submit"],
.submit {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  border: none;
  cursor: pointer;
  align-self: flex-start;
  transition: opacity 0.2s ease;
}

.comment-form input[type="submit"]:hover,
.submit:hover {
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   RELATED POSTS SECTION (CATEGORY CARD FEED STYLE)
   -------------------------------------------------------------------------- */
.related-posts-section {
  padding: 24px;
  margin-bottom: 28px;
}

.related-section-header {
  margin-bottom: 18px;
}

.related-posts-feed {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* --------------------------------------------------------------------------
   SINGLE POST LAYOUT (NO SIDEBAR - CENTERED FULL WIDTH READING VIEW)
   -------------------------------------------------------------------------- */
body.single .layout,
body.single-post .layout,
body.wp-singular .layout,
div.layout-single,
.layout.layout-single,
.single .layout,
#main .layout-single {
  display: block !important;
  max-width: 100% !important;
  margin: 0 auto !important;
  width: 100% !important;
  grid-template-columns: 100% !important;
}

body.single .content-area,
body.single-post .content-area,
body.wp-singular .content-area,
div.layout-single .content-area,
.layout-single .content-area,
.single .content-area,
#main .layout-single .content-area {
  width: 100% !important;
  max-width: 100% !important;
  grid-column: 1 / -1 !important;
}

body.single .profile-card,
body.single-post .profile-card,
body.wp-singular .profile-card,
.layout-single .profile-card,
.single .profile-card,
body.single aside,
.layout-single aside {
  display: none !important;
}

/* ==========================================================================
   MOBILE RESPONSIVE OVERRIDES FOR SINGLE POST (SINGLE.PHP)
   ========================================================================== */
@media (max-width: 992px) {
  .layout {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
  }

  .content-area {
    order: 1 !important;
    width: 100% !important;
  }

  .profile-card,
  .profile-sidebar,
  aside#profile-card,
  aside {
    order: 2 !important;
    width: 100% !important;
    margin-top: 10px !important;
  }
}

@media (max-width: 768px) {
  .related-posts-wrapper {
    padding: 18px 14px !important;
  }

  .related-posts-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .related-post-card {
    flex-direction: row !important;
    align-items: stretch !important;
    padding: 0 !important;
  }

  .related-post-thumb {
    width: 110px !important;
    aspect-ratio: 4/3 !important;
    height: auto !important;
    flex-shrink: 0 !important;
  }

  .related-cat-badge {
    display: none !important;
  }

  .related-post-info {
    padding: 10px 12px !important;
  }

  .related-post-title {
    font-size: 0.85rem !important;
    margin-bottom: 6px !important;
  }

  .single-post-card {
    padding: 20px 16px !important;
    border-radius: var(--radius-md) !important;
  }

  .single-post-header {
    margin-bottom: 18px;
    padding-bottom: 16px;
  }

  .single-post-meta-top {
    flex-wrap: wrap;
    gap: 8px 10px;
    font-size: 0.78rem;
  }

  .single-post-title {
    font-size: 1.45rem !important;
    line-height: 1.35 !important;
    margin-bottom: 14px !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  .single-author-row {
    gap: 10px;
  }

  .single-post-featured-img {
    border-radius: var(--radius-md) !important;
    margin-bottom: 20px !important;
  }

  .single-post-featured-img img {
    width: 100% !important;
    height: auto !important;
    object-fit: cover !important;
  }

  .entry-content {
    font-size: 0.96rem !important;
    line-height: 1.7 !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
  }

  .entry-content p {
    margin-bottom: 1.2em;
  }

  .entry-content h2 {
    font-size: 1.3rem !important;
    margin: 1.4em 0 0.6em !important;
  }

  .entry-content h3 {
    font-size: 1.15rem !important;
    margin: 1.2em 0 0.5em !important;
  }

  .entry-content pre {
    padding: 12px 14px !important;
    font-size: 0.82rem !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    white-space: pre-wrap !important;
    word-break: break-all !important;
    border-radius: var(--radius-sm) !important;
  }

  .entry-content table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .entry-content iframe,
  .entry-content embed,
  .entry-content video,
  .entry-content img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: var(--radius-md) !important;
  }

  .author-bio-card {
    flex-direction: column !important;
    text-align: center !important;
    padding: 20px 16px !important;
    gap: 14px !important;
  }

  .author-bio-details {
    text-align: center !important;
  }

  .comments-wrapper {
    padding: 20px 16px !important;
  }
}

@media (max-width: 480px) {
  .single-post-card {
    padding: 16px 12px !important;
  }

  .single-post-title {
    font-size: 1.3rem !important;
  }

  .entry-content {
    font-size: 0.92rem !important;
  }
}

/* --------------------------------------------------------------------------
   9. FOOTER SECTION
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--glass-bg);
  border-top: 1px solid var(--glass-border);
  padding: 50px 20px 24px;
  margin-top: 60px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.footer-socials a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--border-default);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.back-to-top {
  width: 40px !important;
  height: 40px !important;
  border-radius: var(--radius-full) !important;
  background: var(--accent-gradient) !important;
  color: #ffffff !important;
  border: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  transition: all 0.25s ease !important;
  box-shadow: var(--shadow-glow) !important;
  z-index: 99 !important;
  font-size: 1rem !important;
}

.back-to-top:hover {
  transform: translateY(-3px) scale(1.08) !important;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4) !important;
}
/* Căn trái cho khung chứa chính */
.sidebar-nav-section,
.sidebar-nav-wrapper {
    text-align: left !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
}

/* Xóa khoảng đệm (padding) và lề (margin) thừa của danh sách */
.sidebar-nav-wrapper ul,
.sidebar-nav-wrapper li {
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
    list-style: none !important; /* Xóa dấu chấm tròn đầu dòng nếu có */
}

/* Căn trái cho các đường dẫn thẻ <a> bên trong */
.sidebar-nav-wrapper a {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    text-align: left !important;
    width: 100% !important;
}