/* ============================================================
   SIDEBAR
   ============================================================ */
#sidebar-trigger-area {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 32px;
    z-index: 1;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    border-right: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
    pointer-events: auto;
}
#sidebar-trigger-area:hover {
    background: rgba(255, 255, 255, 0.05);
    width: 40px;
    box-shadow: 2px 0 15px var(--shadow-color);
}
.trigger-text {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: 3px;
    font-size: 11px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    transition: 0.3s;
    white-space: nowrap;
    display: block;
}
#sidebar-trigger-area:hover .trigger-text {
    color: var(--text-main);
}

body:has(#sidebar-container-node.open) #sidebar-trigger-area {
    opacity: 0;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   MASTER: #sidebar-container-node — transform-based, final z-index
   ═══════════════════════════════════════════════════════════ */
#sidebar-container-node {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    max-height: 100dvh;
    width: var(--sidebar-width, 280px);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-muted);
    box-shadow: var(--shadow-cosmic);
    z-index: var(--z-sidebar);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    transform: translate3d(-100%, 0, 0);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    will-change: transform;
    backface-visibility: hidden;
}
#sidebar-container-node.open {
    transform: translate3d(0, 0, 0);
    box-shadow: 10px 0 30px var(--shadow-color);
}

/* Backdrop and sidebar layering */
#sidebar-backdrop {
    transition: opacity 0.3s ease;
    z-index: var(--z-backdrop);
}

/* ============================================================
   SIDEBAR HEADER + BRAND
   ============================================================ */
.sidebar-header {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-muted);
    flex-shrink: 0;
}
.brand-logo {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}
body.workspace-data .brand-logo {
    color: var(--accent-glow);
    text-shadow: 0 0 15px var(--accent-glow);
}
body.workspace-design .brand-logo {
    color: var(--accent-glow-designer);
    text-shadow: 0 0 15px var(--accent-glow-designer);
}
.new-chat-btn {
    background: transparent;
    border: 1px solid var(--border-muted);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}
.new-chat-btn:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ============================================================
   SIDEBAR TABS + SEARCH
   ============================================================ */
.sidebar-tabs {
    display: flex;
    gap: 5px;
    margin: 0 15px 5px 15px;
    background: var(--bg-deep);
    padding: 4px;
    border-radius: 8px;
    flex-shrink: 0;
}
.tab-btn {
    flex: 1;
    background: transparent;
    color: var(--text-muted);
    border: none;
    border-radius: 6px;
    padding: 6px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}
.tab-btn.active {
    background: var(--bg-card);
    color: var(--text-main);
    box-shadow: 0 2px 4px var(--shadow-color);
}
.tab-btn:hover {
    color: var(--text-main);
}

.sidebar-search-box {
    margin: 10px 15px;
    background: var(--bg-input);
    border: 1px solid var(--border-muted);
    border-radius: 10px;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    gap: 8px;
    transition: 0.2s;
    flex-shrink: 0;
    cursor: pointer;
}
.sidebar-search-box:focus-within {
    border-color: var(--text-muted);
}
.sidebar-search-box input {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 13px;
    width: 100%;
    outline: none;
    font-family: 'Inter', sans-serif;
}
.sidebar-search-box input::placeholder {
    color: var(--text-muted);
}

/* ============================================================
   SIDEBAR CONTENT + HISTORY
   ============================================================ */
#sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 0 15px 15px 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}
.sidebar-section-label {
    font-size: 11px;
    text-transform: uppercase;
    color: #4b5563;
    font-weight: 600;
    letter-spacing: 1px;
    margin: 10px 5px 5px 5px;
}

.history-item {
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid transparent;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}
.history-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
}
.history-info {
    flex: 1;
    overflow: hidden;
}
.history-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 6px;
}
.history-options-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    opacity: 1;
    cursor: pointer;
    padding: 5px;
    transition: 0.2s;
    border-radius: 6px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.history-options-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}
.actions-dropdown-list {
    position: absolute;
    right: 10px;
    top: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: 12px;
    padding: 6px;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: var(--z-dropdown);
    box-shadow: 0 10px 30px var(--shadow-color);
    min-width: 150px;
}
.actions-dropdown-list.active {
    display: flex;
}
.action-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    transition: 0.2s;
    border: none;
    background: transparent;
    text-align: left;
    font-family: 'Inter', sans-serif;
    width: 100%;
}
.action-list-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}
.action-list-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}
.action-list-item .spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--text-muted);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
    margin-right: 6px;
}

/* ============================================================
   SIDEBAR FOOTER
   ============================================================ */
.sidebar-footer {
    padding: 15px;
    border-top: 1px solid var(--border-muted);
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex-shrink: 0;
    position: sticky;
    bottom: 0;
    background: var(--bg-sidebar);
    z-index: var(--z-sidebar-footer);
    min-height: 80px;
    padding-bottom: calc(env(safe-area-inset-bottom) + 15px);
}
.footer-opt {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}
.footer-opt:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.sidebar-sub-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-muted);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: 0.2s;
}
.sidebar-sub-box:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
}
.sub-box-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sub-box-desc {
    font-size: 11px;
    color: var(--text-muted);
}

/* ============================================================
   KNOWLEDGE VAULT SECTION (sidebar + modal)
   ============================================================ */
.sidebar-section {
    padding: 0 12px;
}
.knowledge-section {
    border-top: 1px solid var(--border-muted);
    padding: 10px 0;
    padding-top: 8px;
    margin-top: 8px;
}
.sidebar-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    cursor: pointer;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: 0.2s;
}
.sidebar-section-header:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}
.sidebar-section-header .expand-icon {
    margin-left: auto;
    transition: transform 0.3s;
    font-size: 18px;
}
.sidebar-section-header .expand-icon.open {
    transform: rotate(180deg);
}
.expand-icon {
    margin-left: auto;
    transition: transform 0.3s;
}

.knowledge-content {
    padding: 4px 8px 8px;
    background: var(--bg-input);
    border-radius: 10px;
    margin-top: 4px;
    border: 1px solid var(--border-muted);
}
.knowledge-content input {
    font-size: 12px;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-muted);
    background: var(--bg-card);
    color: var(--text-main);
}
.knowledge-content button {
    background: var(--accent-glow);
    color: #000;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 12px;
    font-size: 12px;
    transition: 0.2s;
}
.knowledge-content button:hover {
    opacity: 0.8;
}
#knowledge-list {
    max-height: 200px;
    overflow-y: auto;
    font-size: 12px;
}
#knowledge-list .knowledge-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-muted);
}
#knowledge-list .knowledge-item button {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 14px;
}

/* Knowledge modal (extracted from 50-modals) */
.knowledge-modal-card { max-width: 620px; }
.knowledge-modal-intro { color: var(--text-muted); font-size: 13px; line-height: 1.5; margin: 0 0 14px; }
.knowledge-form { display: grid; grid-template-columns: 1fr 1.6fr auto; gap: 8px; }
.knowledge-form input, .knowledge-search-input {
    min-width: 0;
    border: 1px solid var(--border-muted);
    border-radius: 9px;
    padding: 10px 11px;
    background: var(--bg-input);
    color: var(--text-main);
}
.knowledge-search-input { width: 100%; margin-top: 10px; }
.knowledge-list { max-height: 300px; overflow-y: auto; margin-top: 10px; }

/* ============================================================
   HEADER — MASTER
   ============================================================ */
.workspace-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 20px 0 50px;
    border-bottom: 1px solid var(--border-muted);
    z-index: var(--z-header);
    background: rgba(5, 5, 5, 0.8);
}

/* ── Header left cluster (workspace pill + model hub) ─────────────── */
.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
}
.header-left-group {
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 0;
    flex: 1;
}
.header-left-group .model-hub {
    position: relative;
    flex-shrink: 0;
}
@media (max-width: 640px) {
    .header-left-group { gap: 8px; }
    .workspace-switcher-pill { display: none; }
}

/* ── Workspace switcher pill ──────────────────────────────────────── */
.workspace-switcher-pill {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-muted);
    border-radius: 10px;
    flex-shrink: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.ws-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
    padding: 6px 12px;
    border-radius: 7px;
    cursor: pointer;
    transition: background 0.18s var(--ease-out-expo),
                color      0.18s var(--ease-out-expo),
                box-shadow 0.18s var(--ease-out-expo);
    white-space: nowrap;
    line-height: 1;
}
.ws-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}
.ws-btn.active {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.10);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}
body.workspace-data    .ws-btn.active { color: #10b981; }
body.workspace-design  .ws-btn.active { color: #ef4444; }

/* ── Model hub ────────────────────────────────────────────────────── */
.model-hub {
    position: relative;
}
.header-left .model-hub {
    min-width: 0;
    flex: 0 1 auto;
}
#model-selector {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 8px;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}
.header-left #model-selector {
    font-size: 13.5px;
    display: inline-flex;
    gap: 6px;
    padding: 6px 10px;
    transition: background 0.18s ease;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
#model-selector:hover {
    background: rgba(255, 255, 255, 0.05);
}
#model-selector .badge {
    color: var(--accent-glow);
    font-size: 11px;
    font-weight: 700;
    background: rgba(0, 242, 254, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}
body.pro-tier #model-selector .badge {
    color: var(--accent-glow-pro);
    background: rgba(139, 92, 246, 0.1);
}
body.designer-tier #model-selector .badge {
    color: var(--accent-glow-designer);
    background: rgba(244, 63, 94, 0.1);
}

#model-dropdown-card {
    position: absolute;
    top: 45px;
    left: 0;
    width: 280px;
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: 12px;
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 4px;
    z-index: var(--z-dropdown);
    box-shadow: 0 10px 30px var(--shadow-color);
}
.model-option {
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid transparent;
}
.model-option:hover {
    background: rgba(255, 255, 255, 0.03);
}
.model-option.active {
    background: rgba(0, 242, 254, 0.05);
    border-color: rgba(0, 242, 254, 0.2);
}
.model-option.pro {
    background: rgba(139, 92, 246, 0.05);
    border-color: rgba(139, 92, 246, 0.2);
}
.model-option.pro:hover {
    background: rgba(139, 92, 246, 0.1);
}
.model-option.designer {
    background: rgba(244, 63, 94, 0.05);
    border-color: rgba(244, 63, 94, 0.2);
}
.model-option.designer:hover {
    background: rgba(244, 63, 94, 0.1);
}
.model-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    flex-wrap: wrap;
}
.model-option.designer .model-title span {
    font-size: 8px !important;
    padding: 2px 5px !important;
    white-space: nowrap;
    line-height: 1.4;
}
.model-desc {
    font-size: 11px;
    color: var(--text-muted);
}

/* ── Account hub ──────────────────────────────────────────────────── */
.account-hub {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-muted);
    cursor: pointer;
    display: none;
    object-fit: cover;
}
#account-dropdown-card {
    position: absolute;
    top: 45px;
    right: 0;
    width: 260px;
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: 16px;
    padding: 15px;
    display: none;
    flex-direction: column;
    gap: 10px;
    z-index: var(--z-dropdown);
    box-shadow: 0 10px 30px var(--shadow-color);
}
.dropdown-email {
    color: var(--text-muted);
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tier-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-on-accent);
    background: var(--text-muted);
    padding: 3px 8px;
    border-radius: 4px;
    align-self: flex-start;
}
.logout-btn {
    background: #ef4444;
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: 0.2s;
    margin-top: 5px;
    font-family: 'Inter', sans-serif;
}
.logout-btn:hover {
    opacity: 0.9;
}

/* ============================================================
   FINAL WORKSPACE UX POLISH
   ============================================================ */
.input-row {
    min-height: 42px;
    gap: 6px;
}
.input-actions {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}
.action-btn {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 10px;
}

body.workspace-general { --workspace-accent: var(--workspace-general); }

.back-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 8px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
}
.back-btn:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-main);
}

/* ============================================================
   LOCKED MODEL (Pro / Business tier blur gate)
   ============================================================ */
.locked-model {
    filter: blur(2px);
    opacity: 0.7;
    transition: all 0.3s ease;
    cursor: pointer;
}
.locked-model:hover {
    filter: blur(0);
    opacity: 1;
    transform: translateY(-1px);
}
/* ============================================================
   ELITE: Sidebar scroll stability + off-screen render skip.
   ============================================================ */
#sidebar-content {
    scrollbar-gutter: stable;
    overscroll-behavior: contain;
}
/* ============================================================
   ELITE SHELL — gradient-edged sidebar, tactile controls
   ============================================================ */
@layer elite {

/* Sidebar right edge — subtle gradient instead of flat 1px line.
   Reads as light catching a bevel. */
#sidebar-container-node {
    border-right: none;
    box-shadow:
        1px 0 0 0 rgba(255,255,255,0.06),
        var(--shadow-floating);
}
#sidebar-container-node::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg,
        transparent 0%,
        color-mix(in srgb, var(--accent-glow) 25%, transparent) 20%,
        color-mix(in srgb, var(--accent-glow) 25%, transparent) 80%,
        transparent 100%);
    pointer-events: none;
    opacity: 0.5;
    transition: opacity var(--duration-flow) var(--ease-smooth);
}
#sidebar-container-node.open::after { opacity: 1; }

/* Workspace switcher pill — spring press physics + active indicator */
.workspace-switcher-pill {
    box-shadow:
        0 1px 2px rgba(0,0,0,0.30),
        0 0 0 1px rgba(255,255,255,0.05) inset,
        0 0 0 0 color-mix(in srgb, var(--accent-glow) 0%, transparent);
    transition:
        box-shadow var(--duration-swift) var(--ease-smooth),
        background var(--duration-swift) var(--ease-smooth);
}
.workspace-switcher-pill:hover {
    box-shadow:
        0 2px 6px rgba(0,0,0,0.35),
        0 0 0 1px rgba(255,255,255,0.08) inset,
        0 0 32px -10px color-mix(in srgb, var(--accent-glow) 30%, transparent);
}
.ws-btn {
    position: relative;
    transition:
        background var(--duration-quick) var(--ease-elastic),
        color var(--duration-quick) var(--ease-smooth),
        box-shadow var(--duration-quick) var(--ease-smooth),
        transform var(--duration-instant) var(--ease-instant);
}
.ws-btn:active { transform: scale(0.94); }
.ws-btn.active {
    box-shadow:
        0 1px 2px rgba(0,0,0,0.30),
        0 0 0 1px color-mix(in srgb, var(--accent-glow) 25%, transparent),
        0 0 20px -6px color-mix(in srgb, var(--accent-glow) 40%, transparent);
}

/* History items — left accent bar grows on hover, tactile lift */
.history-item {
    transition:
        background var(--duration-quick) var(--ease-smooth),
        border-color var(--duration-quick) var(--ease-smooth),
        transform var(--duration-quick) var(--ease-elastic),
        box-shadow var(--duration-quick) var(--ease-smooth);
}
.history-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: var(--accent-glow);
    border-radius: 0 2px 2px 0;
    transition:
        height var(--duration-swift) var(--ease-overshoot),
        box-shadow var(--duration-swift) var(--ease-smooth);
}
.history-item:hover {
    transform: translateX(2px);
    box-shadow: 0 4px 12px -4px rgba(0,0,0,0.4);
}
.history-item:hover::before {
    height: 60%;
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Model selector — active state gets an ambient ring */
#model-selector {
    transition:
        background var(--duration-quick) var(--ease-smooth),
        box-shadow var(--duration-quick) var(--ease-smooth);
}
#model-selector:hover {
    box-shadow: 0 0 0 1px rgba(255,255,255,0.08) inset;
}
#model-selector .badge {
    position: relative;
    overflow: hidden;
}
#model-selector .badge::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg,
        transparent 0%,
        rgba(255,255,255,0.25) 50%,
        transparent 100%);
    transform: translateX(-100%);
    transition: transform var(--duration-glacial) var(--ease-smooth);
}
#model-selector:hover .badge::after { transform: translateX(100%); }

/* Backdrop — deepens on open, with radial accent haze */
#sidebar-backdrop {
    background: radial-gradient(ellipse at 0% 50%,
        color-mix(in srgb, var(--accent-glow) 8%, transparent) 0%,
        rgba(0,0,0,0.65) 60%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

} /* end @layer elite */