/* Pulse Panel Styles */
.pulse-panel {
    position: absolute;
    top: 50%;
    left: 100%;
    margin-left: 24px;
    transform: translateY(-50%) translateX(-20px);
    width: 400px;
    height: 320px;
    background: linear-gradient(180deg, #101624 80%, #181f2e 100%);
    border-radius: 22px;
    box-shadow: 0 4px 32px 0 rgba(80, 120, 200, 0.10);
    padding: 1.5em;
    color: #fff;
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    z-index: 9998;
    opacity: 0;
    filter: blur(0px);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    overflow: hidden;
    pointer-events: none;
    box-sizing: border-box;
}
/* Pulse panel hover behavior - show panel */
.sidebar-icon:hover .pulse-panel,
.pulse-panel:hover {
    transform: translateY(-50%) translateX(0);
    opacity: 0.65;
    pointer-events: auto;
    transition-delay: 0.3s;
}
/* Hide panel when not hovered */
.sidebar-icon:not(:hover) .pulse-panel:not(:hover) {
    opacity: 0;
    transform: translateY(-50%) translateX(-20px);
    filter: blur(10px);
    transition: all 0.8s ease-in;
    transition-delay: 0.2s;
    pointer-events: none;
}
/* Panel decorative elements */
.pulse-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--glow-blue), 0.6), transparent);
    animation: shimmer 3s ease-in-out infinite;
}
.pulse-panel::after {
    content: '';
    position: absolute;
    right: -14px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 18px;
    height: 18px;
    background: linear-gradient(180deg, #101624 80%, #181f2e 100%);
    border-radius: 4px;
    filter: blur(1px);
    z-index: 1;
}
/* Invisible bridge for easier mouse navigation */
.sidebar-icon:hover .pulse-panel::before {
    content: '';
    position: absolute;
    left: -24px;
    top: -20px;
    bottom: -20px;
    width: 44px;
    background: transparent;
    z-index: 9997;
    pointer-events: auto;
}