:root {
    --bg: #0b0e13;
    --panel: #111827;
    --muted: #94a3b8;
    --text: #e5e7eb;
    --accent: #38bdf8;
    --accent-2: #22d3ee;
    --btn: #1f2937;
    --btn-hover: #374151;
    --border: #243045;
    --highlight: #fbbf24;
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif
}

.app {
    display: grid;
    grid-template-columns: 1fr auto;
    /* stage + panel */
    grid-template-rows: auto 1fr;
    height: 100vh;
}

/* Stage fills remaining space */
.stage {
    grid-column: 1;
    grid-row: 2;
    position: relative;
    overflow: hidden;
    background: radial-gradient(1000px 1000px at 50% -300px, #0f172a, #0b0e13);
}

/* Panel sits in the 2nd column */
.panel {
    grid-column: 2;
    grid-row: 2;
    width: 460px;
    border-left: 1px solid var(--border);
    background: var(--panel);
    padding: 1rem;
    overflow: auto;
    transition: width 0.3s ease;
    position: relative;
}

/* When closed → shrink to just a handle */
.panel.closed {
    width: 32px;
    /* only show toggle button */
    padding: 0;
    /* hide content */
    overflow: hidden;
}

/* Toggle button is always visible inside panel */
.toggle-panel {
    position: absolute;
    top: 1rem;
    left: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--btn);
    color: var(--text);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 .5rem .5rem 0;
    cursor: pointer;
}

.toggle-panel:hover {
    background: var(--btn-hover);
}

.toolbar {
    grid-column: 1/3;
    display: flex;
    gap: .5rem;
    align-items: center;
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #0b0e13, #0b0e13aa)
}

.toolbar .title {
    font-weight: 600;
    letter-spacing: .2px;
    margin-right: auto
}

.btn {
    background: var(--btn);
    color: var(--text);
    border: 1px solid var(--border);
    padding: .5rem .75rem;
    border-radius: .6rem;
    cursor: pointer;
    user-select: none
}

.btn:hover {
    background: var(--btn-hover)
}

.btn:active {
    transform: translateY(1px)
}

.sep {
    width: 1px;
    height: 28px;
    background: var(--border);
    margin: 0 .5rem
}

.field {
    position: relative
}

.field input {
    background: #0f172a;
    border: 1px solid var(--border);
    color: var(--text);
    padding: .5rem .75rem;
    border-radius: .6rem;
    min-width: 260px
}

.hint {
    color: var(--muted);
    font-size: .85rem
}

.stage {
    grid-column: 1;
    grid-row: 2;
    position: relative;
    overflow: hidden;
    background: radial-gradient(1000px 1000px at 50% -300px, #0f172a, #0b0e13);
}

.map-wrap {
    width: 100%;
    height: 100%;
    position: relative;
    cursor: grab
}

.map-wrap.dragging {
    cursor: grabbing
}

svg {
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none
}

.panel {
    border-left: 1px solid var(--border);
    background: var(--panel);
    padding: 1rem;
    overflow: auto;
    width: 460px;
    transition: transform 0.3s ease;
}

.panel.closed {
    transform: translateX(100%);
}

.panel h2 {
    margin: .25rem 0 .5rem;
    font-size: 1.1rem
}

.panel .empty {
    color: var(--muted)
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    background: #0f172a;
    border: 1px solid var(--border);
    padding: .25rem .55rem;
    border-radius: 999px
}

.kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .8rem;
    background: #0f172a;
    border: 1px solid var(--border);
    padding: .1rem .35rem;
    border-radius: .35rem
}

.toggle-panel {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--btn);
    color: var(--text);
    border: 1px solid var(--border);
    padding: .3rem .6rem;
    border-radius: .5rem;
    cursor: pointer;
    z-index: 50
}

.toggle-panel:hover {
    background: var(--btn-hover)
}

.toast {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 12px;
    background: #0f172a;
    border: 1px solid var(--border);
    padding: .5rem .75rem;
    border-radius: .6rem;
    color: var(--muted);
    pointer-events: none;
    opacity: 0;
    transition: opacity .25s ease
}

.toast.show {
    opacity: 1
}

.clickable {
    filter: drop-shadow(0 0 0 rgba(0, 0, 0, 0));
    transition: filter .2s ease, r .2s ease, stroke-width .2s ease
}

.clickable:hover {
    filter: drop-shadow(0 0 10px rgba(56, 189, 248, .55))
}

.active-station {
    stroke: var(--highlight);
    stroke-width: 0.2px !important
}



@media (max-width: 100%) {
    .app {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto
    }

    .panel {
        grid-row: 3;
        border-left: none;
        border-top: 1px solid var(--border);
        width: 100%;
        transform: translateY(0);
    }

    .panel.closed {
        transform: translateY(100%);
    }
}