.sidebar { width: 100%; }
.sidebar-card { background: var(--theme-surface); border: var(--theme-border-width) solid var(--theme-border); border-radius: var(--theme-card-radius); overflow: hidden; box-shadow: var(--theme-shadow); margin-bottom: 16px; }
.sidebar-card-header, .sidebar-card-hd { padding: 12px 18px; font-size: 13px; font-weight: 700; color: #fff; background: linear-gradient(90deg, var(--theme-primary), var(--theme-secondary)); }
.sidebar-card-body { padding: 4px 0; }
.sidebar-link { display: flex; align-items: center; gap: 10px; padding: 11px 18px; font-size: 13px; color: var(--theme-text); border-bottom: var(--theme-border-width) solid var(--theme-border); transition: background .15s, color .15s; }
.sidebar-link:last-child { border-bottom: none; }
.sidebar-link:hover { background: var(--theme-primary-light, #e8f0fd); color: var(--theme-primary); }
.sidebar-link-icon, .s-icon { font-size: 16px; flex-shrink: 0; }
.sidebar-link-arr, .s-arr { margin-left: auto; font-size: 12px; color: var(--theme-muted); }
.sidebar-plain { padding: 16px 18px; }
.sidebar-section-title { font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.sidebar-list-item { display: flex; align-items: flex-start; gap: 6px; padding: 7px 0; border-bottom: var(--theme-border-width) solid var(--theme-border); font-size: 12px; color: var(--theme-text); transition: color .15s; }
.sidebar-list-item:last-child { border-bottom: none; }
.sidebar-list-item:hover { color: var(--theme-primary); }
.sidebar-list-item-arrow { color: var(--theme-primary); flex-shrink: 0; }

.sidebar-popular-item { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; border-bottom: var(--theme-border-width) solid var(--theme-border); }
.sidebar-popular-item:last-child { border-bottom: none; }
.sidebar-popular-rank { font-size: 26px; font-weight: 900; color: var(--theme-border); line-height: 1; flex-shrink: 0; }
.sidebar-popular-title { font-size: 12px; color: var(--theme-text); }
.sidebar-popular-title:hover { color: var(--theme-primary); }
.sidebar-popular-meta { font-size: 11px; color: var(--theme-muted); margin-top: 2px; }

.sidebar-resource-card { background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary)); border-radius: var(--theme-card-radius); padding: 18px; color: #fff; margin-bottom: 16px; }
.sidebar-resource-card a { display: flex; align-items: center; gap: 8px; padding: 7px 0; font-size: 12px; color: rgba(255,255,255,.85); }
.sidebar-resource-card a:hover { color: #fff; }

.widget { margin-bottom: 16px; }
.widget ul { list-style: none; }
.widget a { color: var(--theme-text); }
.widget a:hover { color: var(--theme-primary); }
.widget select, .widget input[type="text"], .widget input[type="search"] { width: 100%; padding: 8px 12px; border: var(--theme-border-width) solid var(--theme-border); border-radius: 8px; }