:root {
    --bg: #0a0e17;
    --surface: #111827;
    --surface2: #1e293b;
    --border: #334155;
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --accent: #38bdf8;
    --selected: #ee3377;
    --upstream: #ee7733;
    --radius: 6px;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: "Source Sans 3", sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}
#map-container {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: flex;
}
#map {
    flex: 1;
}
#sidebar {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 10;
    width: 340px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 32px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}
#sidebar header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--surface2);
}
#sidebar header h1 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--accent);
    font-family: "JetBrains Mono", monospace;
}
#sidebar header p {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
    line-height: 1.5;
}
#controls {
    padding: 16px 20px;
    flex-shrink: 0;
}
.field {
    margin-bottom: 12px;
}
.field label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
    font-family: "JetBrains Mono", monospace;
}
.field input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: "JetBrains Mono", monospace;
    font-size: 13px;
}
.field input:focus {
    outline: none;
    border-color: var(--accent);
}
.field input::placeholder {
    color: #475569;
}
.btn-row {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}
button {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: "JetBrains Mono", monospace;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
#btn-clear {
    background: var(--surface2);
    color: var(--text-dim);
    flex: 0 0 auto;
    width: 80px;
}
#btn-clear:hover {
    color: var(--text);
    border-color: var(--text-dim);
}
#selection-info {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-dim);
    font-family: "JetBrains Mono", monospace;
    line-height: 1.6;
    display: none;
}
#selection-info .count {
    color: var(--upstream);
    font-weight: 600;
    font-size: 14px;
}
#selection-info .outlet {
    color: var(--selected);
    font-weight: 600;
}
#selection-info .range {
    color: var(--accent);
    font-weight: 600;
}
.checkbox-field {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    cursor: pointer;
}
.checkbox-field input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
    accent-color: var(--accent);
}
.checkbox-field span {
    font-size: 12px;
    color: var(--text-dim);
}

/* Tooltip */
.tooltip {
    position: absolute;
    pointer-events: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 13px;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.15s;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.tooltip.visible {
    opacity: 1;
}

.tooltip-title {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--accent);
    font-family: "JetBrains Mono", monospace;
    margin-bottom: 6px;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-family: "JetBrains Mono", monospace;
    font-size: 12px;
}

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

.tooltip-value {
    color: var(--text);
    font-weight: 600;
}