.stage {
    position: fixed;
    inset: 0;
    overflow: hidden;
    background:
        radial-gradient(
            ellipse 80% 50% at 50% -10%,
            rgba(255, 107, 157, 0.12) 0%,
            transparent 60%
        ),
        radial-gradient(
            ellipse 60% 40% at 80% 80%,
            rgba(94, 234, 212, 0.08) 0%,
            transparent 50%
        ),
        #000;
}
.stars {
    position: absolute;
    inset: -20px;
    background-image:
        radial-gradient(
            1px 1px at 20% 30%,
            rgba(255, 255, 255, 0.8) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 80% 10%,
            rgba(255, 255, 255, 0.6) 0%,
            transparent 100%
        ),
        radial-gradient(
            1.5px 1.5px at 50% 60%,
            rgba(255, 255, 255, 0.5) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 10% 80%,
            rgba(255, 255, 255, 0.7) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 90% 50%,
            rgba(255, 255, 255, 0.4) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 35% 15%,
            rgba(255, 255, 255, 0.6) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 65% 85%,
            rgba(255, 255, 255, 0.5) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 25% 55%,
            rgba(255, 255, 255, 0.3) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 75% 35%,
            rgba(255, 255, 255, 0.6) 0%,
            transparent 100%
        ),
        radial-gradient(
            1px 1px at 45% 90%,
            rgba(255, 255, 255, 0.4) 0%,
            transparent 100%
        );
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.stars-bright {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(
            2px 2px at 15% 25%,
            rgba(255, 255, 255, 0.9) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 85% 15%,
            rgba(255, 255, 255, 0.85) 0%,
            transparent 100%
        ),
        radial-gradient(
            2.5px 2.5px at 55% 70%,
            rgba(255, 255, 255, 0.95) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 30% 85%,
            rgba(255, 255, 255, 0.8) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 70% 40%,
            rgba(255, 255, 255, 0.9) 0%,
            transparent 100%
        ),
        radial-gradient(
            3px 3px at 40% 20%,
            rgba(255, 255, 255, 1) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 60% 55%,
            rgba(255, 255, 255, 0.85) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 20% 65%,
            rgba(255, 255, 255, 0.75) 0%,
            transparent 100%
        ),
        radial-gradient(
            2.5px 2.5px at 80% 75%,
            rgba(255, 255, 255, 0.9) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 50% 45%,
            rgba(255, 255, 255, 0.8) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 10% 45%,
            rgba(255, 255, 255, 0.7) 0%,
            transparent 100%
        ),
        radial-gradient(
            2px 2px at 90% 85%,
            rgba(255, 255, 255, 0.85) 0%,
            transparent 100%
        );
    animation: twinkle 4s ease-in-out infinite alternate;
}
@keyframes twinkle {
    0% {
        opacity: 0.7;
    }
    100% {
        opacity: 1;
    }
}
.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    width: 600px;
    height: 400px;
    opacity: 0.15;
}
.ambient-glow.pink {
    background: var(--pink);
    top: -100px;
    left: 20%;
}
.ambient-glow.cyan {
    background: var(--cyan);
    bottom: -80px;
    right: 15%;
    opacity: 0.1;
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background: rgba(0, 0, 0, 0.7);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    -webkit-app-region: drag;
    user-select: none;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--fg-muted);
    -webkit-app-region: no-drag;
}
.brand-mark {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: linear-gradient(135deg, var(--pink), var(--violet));
    position: relative;
    flex-shrink: 0;
}
.logo-mark {
    width: 35px;
    height: 45px;
    border-radius: 6px;
    object-fit: cover;
}
.brand-mark::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.4);
}
.brand-mark::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    z-index: 1;
}
.brand-divider {
    color: var(--border-vivid);
}

.project-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--fg);
    font-size: 14px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: var(--r-sm);
    transition: background 0.15s;
}
.project-switch:hover {
    background: var(--bg-hover);
}
.project-switch:disabled {
    opacity: 0.5;
    cursor: default;
}
.project-switch:disabled:hover {
    background: none;
}
.project-switch .chev {
    width: 12px;
    height: 12px;
    color: var(--fg-dim);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    -webkit-app-region: no-drag;
}

.canvas {
    position: fixed;
    inset: 52px 0 0 0;
    overflow: hidden;
    cursor: default;
    /* Same fix as on .node: lets pointer events drive panning at full
       rate on touch / stylus instead of being throttled or cancelled
       by the browser's gesture-detection (scroll, pinch-zoom). */
    touch-action: none;
    -ms-touch-action: none;
}
.world {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
    will-change: transform;
}
.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 4000px;
    height: 3000px;
    pointer-events: none;
    overflow: visible;
}
.connections path {
    pointer-events: stroke;
}

.empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.empty-state-inner {
    text-align: center;
    max-width: 380px;
    padding: 40px 20px;
    pointer-events: all;
}
.empty-mark {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    border-radius: 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-dim);
    position: relative;
}
.empty-mark::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 18px;
    background: linear-gradient(
        135deg,
        rgba(255, 107, 157, 0.15),
        rgba(94, 234, 212, 0.08)
    );
    pointer-events: none;
}
.empty-mark svg {
    width: 28px;
    height: 28px;
    position: relative;
    z-index: 1;
}
.empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--fg);
    margin: 0 0 10px;
    line-height: 1.3;
}
.empty-desc {
    font-size: 13px;
    color: var(--fg-dim);
    line-height: 1.6;
    margin: 0 0 24px;
}
.empty-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--pink);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--r-md);
    font-size: 14px;
    font-weight: 500;
    transition:
        background 0.15s,
        transform 0.15s;
}
.empty-cta:hover {
    background: var(--pink-2);
    transform: translateY(-1px);
}
.empty-cta .plus {
    width: 16px;
    height: 16px;
}
.empty-state .empty-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    color: var(--fg-dim);
    border: 1px solid var(--border);
    padding: 9px 18px;
    border-radius: var(--r-md);
    font-size: 13px;
    font-weight: 500;
    margin-left: 8px;
    transition:
        background 0.15s,
        color 0.15s;
}
.empty-state .empty-cta-secondary:hover {
    background: var(--bg-hover);
    color: var(--fg);
}