:root {
    --bg-color: #050505;
    --panel-bg: rgba(20, 20, 25, 0.7);
    --text-main: #cccccc;
    --text-dim: #888888;
    --accent: #f7a600;
    /* EVE Orange/Gold */
    --accent-glow: rgba(247, 166, 0, 0.3);
    --red-alert: #ff4444;
    --blue-info: #44aaff;

    --font-main: 'Inter', sans-serif;
    --font-display: 'Orbitron', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

#app {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Glass Panels */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 10;
}

/* Header */
header {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 15px 25px;
    border-radius: 4px;
    border-left: 3px solid var(--accent);
}

header h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: #fff;
}

header .highlight {
    color: var(--accent);
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 5px;
    text-transform: uppercase;
}

/* Map Container */
#map-container {
    flex: 1;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #111 0%, #050505 70%);
}

#pochven-map {
    width: 100%;
    height: 100%;
    max-width: 1200px;
}

/* SVG Elements */
.connection-line {
    stroke: #333;
    stroke-width: 2;
    transition: stroke 0.3s;
}

.node-group {
    cursor: pointer;
    transition: transform 0.2s ease-out;
}

.node-group:hover {
    /* transform removed per user request */
    filter: brightness(1.3);
}

.node-circle {
    fill: #222;
    stroke: #555;
    stroke-width: 2;
    transition: fill 0.3s, stroke 0.3s, r 0.3s;
}

.node-label {
    fill: var(--text-dim);
    font-size: 14px;
    font-family: var(--font-main);
    text-anchor: middle;
    pointer-events: none;
    transition: fill 0.3s;
}

.node-value {
    fill: #fff;
    font-size: 12px;
    font-weight: 600;
    text-anchor: middle;
    pointer-events: none;
    opacity: 0;
    /* Hidden by default */
    transition: opacity 0.3s;
}

.node-group:hover .node-circle {
    stroke: #fff;
    filter: drop-shadow(0 0 5px var(--accent-glow));
}

.node-group:hover .node-label {
    fill: #fff;
}

/* Footer / Controls */
.bottom-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.button-row {
    display: flex;
    gap: 10px;
}

.btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 8px 16px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 600;
}

.legend-display {
    color: var(--text-main);
    font-size: 0.9rem;
    text-align: right;
}

/* Tooltip */
#tooltip {
    position: absolute;
    background: rgba(10, 10, 15, 0.95);
    border: 1px solid var(--accent);
    padding: 10px 15px;
    border-radius: 4px;
    pointer-events: none;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    transition: opacity 0.2s;
}

#tooltip h3 {
    margin-bottom: 5px;
    color: var(--accent);
    font-size: 1rem;
    font-family: var(--font-display);
}

#tooltip p {
    font-size: 0.85rem;
    color: #ddd;
    line-height: 1.4;
}

#tooltip .stat-label {
    color: var(--text-dim);
}

.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    header {
        padding: 10px 15px;
        top: 10px;
        left: 10px;
    }

    header h1 {
        font-size: 1.2rem;
    }

    .bottom-controls {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
        padding: 15px;
    }

    .button-row {
        flex-wrap: wrap;
    }

    .btn {
        flex: 1;
        text-align: center;
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}