.svg-wrapper {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    margin-top: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.6s ease-out;
}

.inner-border {
    border: 2px solid orange;
    border-radius: 25px;
    padding: 20px;
    overflow: auto;
}

.movable-button {
    transition: all 0.3s ease;
}

rect {
    rx: 25px;
    ry: 25px;
}

svg * {
    stroke-width: 2px;
}

a:hover .movable-button {
    fill: white;
    stroke: darkorange;
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

a:hover text {
    fill: orange;
}

text {
    pointer-events: none;
}

svg text {
    font-family: 'Arial', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    dominant-baseline: middle;
    text-anchor: middle;
    
}

svg {
    width: 100%;
    height: auto;
    display: block;
}

/* Focus states for accessibility */
a:focus .movable-button {
    fill: white;
    stroke: darkorange;
    stroke-width: 3px;
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
    outline-offset: 2px;
}

a:focus text {
    fill: dark orange;
}

/* Active states */
a:active .movable-button {
   transform: translateY(0px);
   filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    
}

/* Line styling */
line {
    transition: stroke-width 0.3s ease, opacity 0.3s ease;
}

/* Hover effect for connected lines */
a:hover ~ line,
a:focus ~ line {
    stroke-width: 3px;
    opacity: 0.8;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.current-page .movable-button {
    animation: pulse 2s infinite;
    fill: #ff6b35;
}

/* Essential responsive breakpoints */
@media screen and (max-width: 1200px) {
    .svg-wrapper {
        width: 95%;
        padding: 15px;
    }
    
    .inner-border {
        padding: 15px;
    }
    
    svg text {
        font-size: 14px;
    }
}

@media screen and (max-width: 768px) {
    .svg-wrapper {
        width: 98%;
        margin: 10px auto;
        padding: 10px;
        border-radius: 6px;
        transform: translateY(-2px);
    }
    
    .inner-border {
        padding: 10px;
        border-radius: 8px;
    }
    
    svg text {
        font-size: 13px;
        font-weight: 700;
    }
    
    .movable-button {
        stroke-width: 2.5px;
    }
    
    a:hover .movable-button,
    a:focus .movable-button {
        transform: scale(1.08);
    }
}

@media screen and (max-width: 576px) {
    .svg-wrapper {
        width: 100%;
        margin: 5px auto;
        padding: 5px;
        border-radius: 4px;
    }
    
    .inner-border {
        padding: 5px;
        border-radius: 6px;
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    svg {
        min-width: 1000px;
        min-height: 500px;
    }
    
    svg text {
        font-size: 11px;
        font-weight: 800;
    }
    
    /* Scrollbar styling for mobile */
    .inner-border::-webkit-scrollbar {
        height: 8px;
    }
    
    .inner-border::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 4px;
    }
    
    .inner-border::-webkit-scrollbar-thumb {
        background: orange;
        border-radius: 4px;
    }
    
    .inner-border::-webkit-scrollbar-thumb:hover {
        background: darkorange;
    }
}

/* Touch device optimization */
@media (hover: none) {
    a:hover .movable-button {
        transform: none;
        filter: none;
        transform: translateY(-1px);
        filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    }
    
    a:active .movable-button {
        fill: darkorange;
        transform: scale(1.05);
        filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.3));
    }
    
    a:active text {
        fill: black;
    }
}