:root {
    --bg-color: #0f1115;
    --panel-bg: rgba(22, 25, 33, 0.7);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f2f5;
    --text-secondary: #a0a5b1;
    --accent-color: #00ffcc;
    --accent-glow: rgba(0, 255, 204, 0.3);
    --card-bg: rgba(255, 255, 255, 0.03);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

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

body.dark-theme {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow: hidden;
}

#app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
}

#map {
    flex-grow: 1;
    height: 100%;
    z-index: 1;
    background-color: #0d0f13; /* Darker map background */
}

/* Leaflet Dark Theme Overrides */
.leaflet-layer,
.leaflet-control-zoom-in,
.leaflet-control-zoom-out,
.leaflet-control-attribution {
    filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

.glass-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 420px;
    max-height: calc(100vh - 40px);
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
    overflow-y: auto;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.glass-panel::-webkit-scrollbar {
    width: 6px;
}
.glass-panel::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

header {
    padding: 24px;
    border-bottom: 1px solid var(--panel-border);
}

.header-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.rns-logo {
    width: 52px;
    height: 52px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 255, 204, 0.4));
}

.header-text h1 {
    font-size: 1.35rem; /* slightly smaller to fit Moscow Reticulum Network */
    font-weight: 600;
    margin-bottom: 2px;
    background: linear-gradient(90deg, #fff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--accent-color);
}

.dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-glow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(0, 255, 204, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 204, 0); }
}

#node-details {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: fadeIn 0.4s ease-out;
}

#empty-selection {
    padding: 40px 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h2#detail-name {
    font-size: 1.25rem;
    color: #fff;
    word-break: break-word;
}

.tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(0, 255, 204, 0.1);
    color: var(--accent-color);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    align-self: flex-start;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--panel-border);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: transform 0.2s ease, background 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.06);
}

.stat-card .label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.stat-card .value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
}

.stat-card .hash-val {
    font-family: monospace;
    font-size: 0.8rem;
    word-break: break-all;
}

.config-card {
    margin-top: 8px;
    background: var(--card-bg);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    overflow: hidden;
}

.config-card h3 {
    padding: 12px;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--panel-border);
    background: rgba(0,0,0,0.2);
}

.config-card pre {
    padding: 12px;
    font-size: 0.75rem;
    color: #a3c9a6;
    font-family: monospace;
    overflow-x: auto;
    white-space: pre-wrap;
}

/* Custom Marker Styling */
.node-marker-icon {
    background-color: var(--accent-color);
    border: 2px solid #000;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.node-marker-icon:hover, .node-marker-icon.selected {
    transform: scale(1.4);
    box-shadow: 0 0 15px var(--accent-color);
    background-color: #fff;
    z-index: 1000 !important;
}

.leaflet-popup-content-wrapper {
    background: var(--panel-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-primary);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
}
.leaflet-popup-tip {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
}
.leaflet-popup-content {
    margin: 12px;
    font-family: var(--font-body);
}
.leaflet-popup-content b {
    color: var(--accent-color);
}