.light-theme {
  --bg: #f1f5f9;
  --bg-card: #ffffff;
  --bg-sidebar: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --green: #16a34a;
  --green-dark: #15803d;
  --orange: #f59e0b;
  --yellow: #fef08a;
  --purple: #a78bfa;
  --teal: #0d9488;
}

.light-theme body {
  background-image: none;
}

.light-theme .top-bar {
  background: #111322;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.light-theme .header {
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid var(--border);
}

.light-theme .logo-main {
  color: var(--primary);
}

.light-theme .main-nav {
  background: #ffffff;
}

.light-theme .nav-link {
  color: var(--text-secondary);
}

.light-theme .nav-link:hover,
.light-theme .nav-link.active {
  color: var(--primary);
  background: #f1f5f9;
}

.light-theme .nav-link.nav-cta {
  background: var(--primary);
  color: #fff;
}

.light-theme .nav-link.nav-cta:hover {
  background: var(--primary-dark);
}

.light-theme .job-tab.active {
  color: var(--primary);
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(109, 40, 217, 0.08);
}

.light-theme .post-item {
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.light-theme .post-item:hover {
  background: #f8fafc;
  box-shadow: var(--shadow-md);
}

.light-theme .post-item.expanded-card {
  background: #f8fafc;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.02), 0 8px 24px rgba(0, 0, 0, 0.05);
}

.light-theme .join-card {
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.light-theme .join-title {
  color: var(--text-primary);
}

.light-theme .sidebar-widget {
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.light-theme .qnav-box {
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.light-theme .qnav-box:hover {
  box-shadow: var(--shadow-md);
}

.light-theme .badge-new {
  background: #e8f5e9;
  color: var(--green-dark);
  border: 1px solid #c8e6c9;
}

.light-theme .badge-hot {
  background: #e8f5e9;
  color: var(--green-dark);
  border: 1px solid #c8e6c9;
}

.light-theme .badge-admit,
.light-theme .badge-scholarship {
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.light-theme .badge-expired {
  background: var(--primary);
  color: #ffffff;
  border: 1px solid var(--primary-dark);
}

.light-theme .section-title {
  color: var(--text-primary);
}

.light-theme .search-overlay-box {
  background: #ffffff;
  border-color: var(--border);
}

.light-theme #overlay-search-input {
  background: #f8fafc;
}

.light-theme #overlay-search-input:focus {
  background: #fff;
  box-shadow: 0 0 0 4px rgba(109, 40, 217, 0.1);
}

.light-theme .search-result-title mark {
  background: rgba(255, 243, 205, 0.5);
  color: #92400e;
}

.light-theme .comment-item {
  background: rgba(109, 40, 217, 0.04);
}

.light-theme .comment-item strong {
  color: var(--primary);
}

.light-theme .comment-input {
  border-color: var(--border);
}

.light-theme .view-details-btn {
  border-color: var(--border);
  color: #475569;
}

.light-theme .mobile-bottom-nav .mobile-nav-item {
  color: #64748b;
}

.light-theme .mobile-bottom-nav .mobile-nav-item.active {
  color: var(--primary);
}

.light-theme .nav-menu {
  background: #ffffff;
}

.light-theme .nav-link {
  color: var(--text-secondary);
}

.light-theme .trending-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

.light-theme .quick-link-list a:hover {
  background: rgba(0, 0, 0, 0.03);
}
.light-theme .profile-dropdown {
  background: #ffffff;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
.light-theme .dropdown-item:hover {
  background: rgba(0, 0, 0, 0.04);
}
.light-theme .login-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.light-theme .card-title {
  color: var(--text-primary);
}
.light-theme .card-subtitle {
  color: var(--text-secondary);
}
.light-theme .modal-divider::before,
.light-theme .modal-divider::after {
  background-color: var(--border);
}
.light-theme .form-group label {
  color: var(--text-primary);
}
.light-theme .input-wrapper {
  background-color: #fff;
  border-color: var(--border);
}
.light-theme .input-wrapper input {
  color: var(--text-primary);
}
.light-theme .input-prefix {
  background-color: rgba(0,0,0,0.05);
  border-right-color: var(--border);
  color: var(--text-secondary);
}
.light-theme .password-toggle:hover {
  color: var(--text-primary);
}
.light-theme .link-btn {
  color: var(--accent);
}
.light-theme .btn-ghost-close {
  border-color: rgba(0,0,0,0.1);
  color: var(--text-secondary);
}
.light-theme .btn-ghost-close:hover {
  background: rgba(0,0,0,0.05);
  color: var(--text-primary);
  border-color: rgba(0,0,0,0.2);
}

.light-theme .theme-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

.light-theme .post-item:hover {
  background: #f8fafc;
}

.light-theme .post-item.expanded-card {
  background: #f8fafc;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.02), 0 8px 24px rgba(0, 0, 0, 0.05);
}

.light-theme .action-share-btn.general {
  background: #f0f4ff;
  color: var(--primary);
  border: 1px solid rgba(0, 53, 128, 0.15);
}

.light-theme .action-share-btn.copy {
  background: #f1f3f5;
  color: #495057;
  border: 1px solid #dee2e6;
}

.light-theme .action-share-btn.copy:hover {
  background: #e9ecef;
  color: #212529;
}

.light-theme .mobile-bottom-nav {
  background: #ffffff;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
}

.light-theme .trending-helper-note {
  color: var(--primary);
}

.light-theme .scholar-card {
  background: #ffffff;
  border: 1px solid #d1fae5;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.light-theme .scholar-card:hover {
  box-shadow: 0 6px 12px rgba(16, 185, 129, 0.08);
  border-color: #a7f3d0;
}

.light-theme .scholar-icon-wrap {
  background: #ecfdf5;
  border-color: #d1fae5;
}

.light-theme .scholar-badge {
  color: #065f46;
  background: #d1fae5;
}
.light-theme .mocktest-cta-glow {
  background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

.light-theme .mocktest-cta-btn {
  box-shadow:
    0 0 15px rgba(16, 185, 129, 0.25),
    0 0 40px rgba(14, 165, 233, 0.1),
    0 6px 24px rgba(0, 0, 0, 0.12);
}

.light-theme .mocktest-cta-btn:hover {
  box-shadow:
    0 0 25px rgba(16, 185, 129, 0.35),
    0 0 60px rgba(14, 165, 233, 0.18),
    0 10px 36px rgba(0, 0, 0, 0.15);
}
.light-theme .skeleton-card {
  background: #fff;
  border-color: #e2e8f0;
}
.light-theme .skeleton-line {
  background: #e2e8f0;
}