/* Vesisaari — a city in motion. Technical-figure UI: paper, ink, hairlines, mono type. */
:root {
  --paper: #f3f2ee;
  --panel: rgba(250, 249, 246, 0.94);
  --ink: #1f2023;
  --muted: #7a7b80;
  --line: rgba(31, 32, 35, 0.13);
  --line-2: rgba(31, 32, 35, 0.26);
  --shadow: 0 10px 30px rgba(20, 20, 24, 0.07), 0 1px 2px rgba(20, 20, 24, 0.05);
  --accent: #1f2023;
  --font: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --r: 14px;
}
body.night {
  --paper: #0b0d10;
  --panel: rgba(18, 20, 25, 0.9);
  --ink: #e7e4dd;
  --muted: #8a8e97;
  --line: rgba(231, 228, 221, 0.12);
  --line-2: rgba(231, 228, 221, 0.26);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--paper); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; transition: background 0.8s; }
#scene { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; cursor: grab; touch-action: none; outline: none; }
#scene.grabbing { cursor: grabbing !important; }
#ui { position: fixed; inset: 0; pointer-events: none; font-size: 12px; }
#ui button { font: inherit; color: inherit; pointer-events: auto; cursor: pointer; background: none; border: 0; padding: 0; }
#ui button:disabled { cursor: default; }
#ui button:focus-visible { outline: 1.5px solid var(--ink); outline-offset: 2px; }

/* ---------- plate framing: fade the city into paper under the UI ---------- */
#ui::before, #ui::after { content: ''; position: absolute; left: 0; right: 0; pointer-events: none; z-index: 0; }
#ui > * { z-index: 1; }
#ui::before { top: 0; height: 120px; background: linear-gradient(var(--paper) 18%, color-mix(in srgb, var(--paper) 70%, transparent) 55%, transparent); }
#ui::after { bottom: 0; height: 96px; background: linear-gradient(transparent, color-mix(in srgb, var(--paper) 75%, transparent) 50%, var(--paper) 92%); }

/* ---------- figure header ---------- */
.fig { position: absolute; top: 20px; left: 24px; }
.fig-line { display: flex; align-items: baseline; gap: 8px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.fig-no { color: var(--ink); font-weight: 600; }
.fig-time { color: var(--ink); font-weight: 600; font-size: 13px; letter-spacing: 0.04em; font-variant-numeric: tabular-nums; }
.fig-rate { border: 1px solid var(--line-2); border-radius: 999px; padding: 0 7px; font-size: 10px; line-height: 16px; }
.fig-wx { background: var(--ink); color: var(--paper); border-radius: 999px; padding: 0 8px; font-size: 10px; line-height: 17px; letter-spacing: 0.08em; }
#ui .tools button.muted { opacity: 0.45; }
.fig h1 { margin: 6px 0 0; font-size: 21px; font-weight: 600; letter-spacing: -0.01em; }
.fig h1 span { font-weight: 400; color: var(--muted); }

/* ---------- place navigation ---------- */


/* ---------- tool rail ---------- */
.tools { position: absolute; left: 24px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 6px; padding: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); pointer-events: auto; backdrop-filter: blur(8px); }
#ui .tools button { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; transition: background 0.15s; }
#ui .tools button:hover { background: var(--line); }
#ui .tools button.on { background: var(--ink); color: var(--paper); }
.tools button[data-state='day'] svg path { fill: none; }
.tools button[data-state='night'] { background: var(--ink); color: var(--paper); }
.tools .rule { height: 1px; background: var(--line); margin: 2px 4px; }

/* ---------- layers ---------- */
.layers { position: absolute; left: 24px; bottom: 18px; display: flex; align-items: center; gap: 4px; padding: 5px 6px 5px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; box-shadow: var(--shadow); pointer-events: auto; backdrop-filter: blur(8px); max-width: calc(100vw - 32px); overflow-x: auto; scrollbar-width: none; }
.layers::-webkit-scrollbar { display: none; }
.layers-title { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-right: 6px; }
#ui .chip { display: flex; align-items: center; gap: 7px; padding: 6px 10px; border-radius: 999px; white-space: nowrap; font-size: 11px; transition: background 0.15s, opacity 0.2s; }
.chip i { width: 8px; height: 8px; border-radius: 50%; background: transparent; border: 1.5px solid var(--c); }
.chip b { font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 1.2em; text-align: left; font-size: 10.5px; }
.chip + .chip { box-shadow: -1px 0 0 var(--line); border-radius: 0 999px 999px 0; }
.chip + .chip:hover, .chip.on { border-radius: 999px; box-shadow: none; }
#ui .chip:hover:not(:disabled) { background: var(--line); }
#ui .chip.on { background: color-mix(in srgb, var(--c, #888) 14%, transparent); }
.chip.on i { background: var(--c); }
body.night .chip i { border-color: var(--cd); }
body.night .chip.on i { background: var(--cd); }
body.night #ui .chip.on { background: color-mix(in srgb, var(--cd, #888) 18%, transparent); }
#ui .chip:disabled { opacity: 0.35; }
#ui.focusing .chip:not(.on):not(:disabled) { opacity: 0.55; }
.chip[data-mode] i { border-color: var(--c); }

/* ---------- hint + ticker ---------- */
.hint { position: absolute; left: 24px; bottom: 66px; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.ticker { position: absolute; right: 24px; bottom: 28px; font-size: 12px; letter-spacing: 0.02em; max-width: 30vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- info card ---------- */
.card { z-index: 3 !important; position: absolute; right: 24px; top: 70px; width: 320px; max-height: calc(100vh - 150px); overflow: auto; padding: 16px 18px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); backdrop-filter: blur(10px); pointer-events: auto; opacity: 0; transform: translateX(14px); visibility: hidden; transition: opacity 0.22s, transform 0.22s, visibility 0s 0.22s; }
.card.open { opacity: 1; transform: none; visibility: visible; transition: opacity 0.22s, transform 0.22s; }
.card::before { content: ''; position: absolute; left: 18px; right: 18px; top: 0; height: 2px; background: var(--accent); border-radius: 0 0 2px 2px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.card-type { display: flex; align-items: center; gap: 8px; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.card-type i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.card-type em { font-style: normal; }
#ui .card .x { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid var(--line-2); border-radius: 50%; }
.card .x svg { width: 12px; height: 12px; }
.card h2 { margin: 10px 0 8px; font-size: 26px; font-weight: 600; letter-spacing: -0.01em; }
.pill { display: inline-block; max-width: 100%; padding: 3px 10px; border: 1px solid var(--ink); border-radius: 999px; font-size: 11.5px; line-height: 1.35; }
.bar { margin: 14px 0 4px; }
.bar label { display: block; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.bar .track { height: 4px; background: var(--line); border-radius: 4px; overflow: hidden; }
.bar .track i { display: block; height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.4s; }
.card dl { margin: 12px 0 0; }
.card dl div { display: flex; justify-content: space-between; gap: 14px; padding: 7px 0; border-top: 1px solid var(--line); }
.card dt { color: var(--muted); white-space: nowrap; }
.card dd { margin: 0; text-align: right; }
.fact { margin: 12px 0 0; padding: 10px 12px; background: color-mix(in srgb, var(--accent) 7%, transparent); border-radius: 10px; font-size: 11.5px; line-height: 1.5; color: var(--ink); }
.actions { display: flex; gap: 8px; margin-top: 14px; }
#ui .actions button { padding: 6px 14px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; transition: background 0.15s; }
#ui .actions button:hover { background: var(--line); }
#ui .actions button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- world tags ---------- */
.tag { z-index: 2 !important; position: absolute; left: 0; top: -12px; padding: 4px 8px; background: var(--panel); border: 1px solid var(--ink); border-radius: 4px; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity 0.15s; will-change: transform; }
.tag.next { border-style: dashed; border-color: var(--accent); }
.tag.next::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 7px; vertical-align: 1px; }
.maplabels { position: absolute; inset: 0; overflow: hidden; }
.maplabel.metro { color: #c9302f; letter-spacing: 0.14em; font-size: 10.5px; }
.maplabel { position: absolute; left: 0; top: 0; font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--ink); font-weight: 600; white-space: nowrap; pointer-events: none; text-shadow: 0 0 6px var(--paper), 0 0 2px var(--paper); transition: opacity 0.3s; }


/* ---------- feature modes (top-left, under the title) ---------- */
.modes { position: absolute; top: 84px; left: 24px; display: flex; gap: 2px; padding: 4px; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; box-shadow: var(--shadow); pointer-events: auto; backdrop-filter: blur(8px); }
#ui .modes button { display: flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: 999px; white-space: nowrap; font-size: 10.5px; letter-spacing: 0.09em; text-transform: uppercase; transition: background 0.15s; }
#ui .modes button svg { width: 14px; height: 14px; flex: none; }
#ui .modes button:hover { background: var(--line); }
#ui .modes button.on { background: var(--ink); color: var(--paper); }
#ui .modes button .badge { width: 6px; height: 6px; border-radius: 50%; background: #d03b3b; display: none; }
#ui .modes button.active .badge { display: inline-block; }

/* ---------- side panels ---------- */
.panel { z-index: 3 !important; position: absolute; left: 84px; top: 130px; width: 344px; max-height: calc(100vh - 214px); overflow: auto; padding: 14px 16px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); backdrop-filter: blur(10px); pointer-events: auto; opacity: 0; transform: translateX(-12px); visibility: hidden; transition: opacity 0.22s, transform 0.22s, visibility 0s 0.22s; scrollbar-width: thin; }
.panel.open { opacity: 1; transform: none; visibility: visible; transition: opacity 0.22s, transform 0.22s; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.kicker { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
#ui .panel .x { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid var(--line-2); border-radius: 50%; flex: none; }
.panel .x svg { width: 12px; height: 12px; }
.panel h3 { margin: 9px 0 4px; font-size: 19px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; }
.panel .lead { color: var(--muted); line-height: 1.55; margin: 4px 0 0; font-size: 11.5px; }
.sec { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.sec-title { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 9px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.sec-title b { font-weight: 500; color: var(--ink); letter-spacing: 0.04em; text-transform: none; font-size: 11px; font-variant-numeric: tabular-nums; }
#ui .btn { padding: 7px 14px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; transition: background 0.15s; white-space: nowrap; }
#ui .btn:hover { background: var(--line); }
#ui .btn.primary, #ui .btn.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
#ui .btn.danger { border-color: #d03b3b; color: #d03b3b; }
#ui .btn.danger.on { background: #d03b3b; color: #fff; }
.row-btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; align-items: center; }
.row-btns .grow { flex: 1; }

/* trace: delivery options */
.opts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 12px; }
#ui .opt { text-align: left; padding: 9px 10px 10px; border: 1px solid var(--line-2); border-radius: 10px; transition: border-color 0.15s, background 0.15s; }
#ui .opt:hover { background: color-mix(in srgb, var(--line) 60%, transparent); }
#ui .opt.on { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.opt b { display: flex; align-items: center; gap: 7px; font-weight: 600; font-size: 11.5px; }
.opt b i, .dotc { width: 7px; height: 7px; border-radius: 50%; background: var(--c); flex: none; display: inline-block; }
body.night .opt b i, body.night .dotc { background: var(--cd, var(--c)); }
.opt span { display: block; color: var(--muted); font-size: 10.5px; margin-top: 4px; line-height: 1.4; }
.tr-meta { margin: 2px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.tr-status { margin-top: 10px; }

/* trace: timeline */
.tl { list-style: none; margin: 4px 0 0; padding: 0; }
.tl li { display: grid; grid-template-columns: 12px 42px 1fr; gap: 8px; padding: 5px 0; position: relative; }
.tl li::before { content: ''; position: absolute; left: 5px; top: 17px; bottom: -5px; width: 1px; background: var(--line-2); }
.tl li:last-child::before { display: none; }
.tl .dot { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--c); margin-top: 2px; background: var(--panel); box-sizing: border-box; position: relative; z-index: 1; }
body.night .tl .dot { border-color: var(--cd); }
.tl li.done .dot { background: var(--c); }
body.night .tl li.done .dot, body.night .tl li.live .dot { background: var(--cd); }
.tl li.live .dot { background: var(--c); animation: pulse 1.6s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--c) 45%, transparent); } 100% { box-shadow: 0 0 0 7px transparent; } }
.tl time { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 10.5px; padding-top: 1px; white-space: nowrap; }
.tl li.live time { color: var(--ink); font-weight: 600; }
.tl .what { font-size: 11.5px; line-height: 1.35; min-width: 0; }
.tl .what small { display: block; color: var(--muted); font-size: 10.5px; margin-top: 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tl li.todo { opacity: 0.42; }
.tl li.live .what { font-weight: 600; }
.tl li.live .what small { font-weight: 400; }

/* horizontal bar rows (CO₂ by leg, mode share) */
.bars { display: grid; grid-template-columns: auto 1fr auto; gap: 5px 10px; align-items: center; font-size: 11px; }
.bars .lb { color: var(--ink); white-space: nowrap; }
.bars .val { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.bars .val small { color: var(--muted); }
.bars .b { height: 8px; position: relative; }
.bars .b i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--c); border-radius: 0 4px 4px 0; min-width: 2px; transition: width 0.4s; }
body.night .bars .b i { background: var(--cd, var(--c)); }
.bars .b::after { content: ''; position: absolute; left: 0; top: -2px; bottom: -2px; width: 1px; background: var(--line-2); }
.bars .hit { display: contents; }
.big { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.big small { font-size: 12px; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.note { color: var(--muted); font-size: 10.5px; line-height: 1.5; margin: 8px 0 0; }

/* flow: segmented lens control + legends */
.seg { display: flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; gap: 2px; margin-top: 12px; }
#ui .seg button { flex: 1; padding: 6px 0; border-radius: 999px; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; transition: background 0.15s; }
#ui .seg button:hover { background: var(--line); }
#ui .seg button.on { background: var(--ink); color: var(--paper); }
.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-top: 10px; font-size: 10.5px; color: var(--muted); }
.legend .k { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); }
.legend .ln { width: 14px; height: 2px; background: var(--c); border-radius: 1px; }
body.night .legend .ln { background: var(--cd, var(--c)); }
.legend .ln.dash { background: repeating-linear-gradient(90deg, var(--muted) 0 3px, transparent 3px 6px); height: 2px; }
.legend .ln.ink { background: var(--ink); }
.ramp { flex: 1 1 100%; display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; }
.ramp .grad { height: 8px; border-radius: 2px; }
.ht { display: inline-flex; align-items: center; gap: 5px; }
.ht i { display: inline-block; border-radius: 50%; background: var(--ink); }
.swatch { width: 14px; height: 8px; border-radius: 2px; background: #d03b3b; display: inline-block; }

/* chart */
.chart { position: relative; margin-top: 4px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--line); }
.chart .axis text { fill: var(--muted); font-size: 9.5px; font-family: var(--font); }
.chart .s-today { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .s-model { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 3 3; }
.chart .now line { stroke: var(--line-2); }
.chart .xh { stroke: var(--ink); stroke-width: 1; opacity: 0; }
.chart .xh-dot { fill: var(--panel); stroke: var(--ink); stroke-width: 2; opacity: 0; }
.chart.hover .xh, .chart.hover .xh-dot { opacity: 1; }
.tip { position: fixed; left: 0; top: 0; z-index: 20 !important; pointer-events: none; padding: 6px 9px; background: var(--ink); color: var(--paper); border-radius: 6px; font-size: 10.5px; line-height: 1.45; white-space: nowrap; opacity: 0; transition: opacity 0.1s; }
.tip.on { opacity: 1; }
.tip b { font-weight: 600; }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.tile { border: 1px solid var(--line); border-radius: 10px; padding: 8px 9px 9px; min-width: 0; }
.tile .v { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.tile .l { font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-top: 2px; line-height: 1.3; }
.tile .d { font-size: 10px; color: var(--muted); margin-top: 3px; font-variant-numeric: tabular-nums; }

/* scenarios */
.scn { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: start; padding: 10px 0; border-top: 1px solid var(--line); }
.scn:first-of-type { border-top: 0; }
.scn b { font-size: 12px; font-weight: 600; display: block; }
.scn span { display: block; color: var(--muted); font-size: 10.5px; line-height: 1.5; margin-top: 3px; }
#ui .switch { width: 34px; height: 20px; border-radius: 999px; border: 1px solid var(--line-2); position: relative; margin-top: 1px; transition: background 0.2s, border-color 0.2s; }
#ui .switch::after { content: ''; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); transition: transform 0.2s, background 0.2s; }
#ui .switch.on { background: var(--ink); border-color: var(--ink); }
#ui .switch.on::after { transform: translateX(14px); background: var(--paper); }
.closed-list { list-style: none; margin: 8px 0 0; padding: 0; }
.closed-list li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 5px 0; font-size: 11px; border-top: 1px dashed var(--line-2); }
.closed-list li:first-child { border-top: 0; }
.closed-list .swatch { margin-right: 7px; }
#ui .closed-list button { color: var(--muted); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
#ui .closed-list button:hover { color: var(--ink); }
.jumps { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
#ui .jumps button { text-align: left; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 10px; transition: background 0.15s; }
#ui .jumps button:hover { background: var(--line); }
.jumps b { display: block; font-size: 11.5px; font-weight: 600; }
.jumps span { display: block; font-size: 10.5px; color: var(--muted); margin-top: 2px; font-variant-numeric: tabular-nums; }
.pickhint { position: absolute; left: 50%; top: 84px; transform: translateX(-50%); padding: 7px 14px; border-radius: 999px; background: #d03b3b; color: #fff; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; display: none; }
.pickhint.on { display: block; }
.wipe { position: absolute; inset: 0; z-index: 30 !important; display: grid; place-items: center; background: var(--paper); opacity: 0; visibility: hidden; transition: opacity 0.35s, visibility 0s 0.35s; }
.wipe.on { opacity: 1; visibility: visible; transition: opacity 0.25s; }
.wipe div { text-align: center; }
.wipe span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.wipe b { display: block; font-size: 40px; font-weight: 600; margin-top: 6px; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

/* parcel tag on the map */
.tag.parcel { border-color: var(--accent); border-width: 1.5px; font-weight: 600; }
.tag.parcel::before { content: ''; display: inline-block; width: 7px; height: 7px; background: var(--accent); margin-right: 7px; vertical-align: 0; transform: rotate(45deg); }
.tag.closed { border-color: #d03b3b; color: #d03b3b; }

/* ---------- field guide ---------- */
.guide { z-index: 4 !important; position: absolute; top: 130px; bottom: 72px; left: 84px; right: 24px; max-width: 1180px; margin: 0 auto; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); backdrop-filter: blur(12px); pointer-events: auto; overflow: auto; padding: 22px 26px 26px; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity 0.25s, transform 0.25s, visibility 0s 0.25s; scrollbar-width: thin; }
.guide.open { opacity: 1; visibility: visible; transform: none; transition: opacity 0.25s, transform 0.25s; }
.guide-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.guide-head h3 { margin: 6px 0 4px; font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.guide-head p { margin: 0; color: var(--muted); font-size: 11.5px; line-height: 1.55; max-width: 560px; }
.guide-filter { display: flex; flex-wrap: wrap; gap: 4px; margin: 16px 0 4px; }
#ui .guide-filter button { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 10.5px; letter-spacing: 0.06em; }
#ui .guide-filter button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.guide-group { margin-top: 18px; }
.guide-group h4 { margin: 0 0 10px; font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); font-weight: 500; display: flex; align-items: center; gap: 8px; }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); gap: 12px; }
.spec { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px 12px; display: flex; flex-direction: column; min-width: 0; background: color-mix(in srgb, var(--paper) 40%, transparent); }
.spec .thumb { width: 100%; aspect-ratio: 3 / 2; border-radius: 8px; background: var(--paper); display: block; object-fit: cover; }
.spec .no { font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-top: 9px; display: flex; justify-content: space-between; }
.spec h5 { margin: 3px 0 6px; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 7px; }
.spec dl { margin: 0; font-size: 10.5px; }
.spec dl div { display: flex; justify-content: space-between; gap: 10px; padding: 3px 0; border-top: 1px solid var(--line); }
.spec dt { color: var(--muted); }
.spec dd { margin: 0; text-align: right; }
.spec p { margin: 8px 0 0; font-size: 10.5px; line-height: 1.5; color: var(--ink); flex: 1; }
.spec .foot { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.spec .live { font-size: 10.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.spec .live b { color: var(--ink); font-weight: 600; }

/* ---------- tour ---------- */
.tour { position: absolute; inset: 0; pointer-events: none; z-index: 5 !important; opacity: 0; visibility: hidden; transition: opacity 0.5s, visibility 0s 0.5s; }
.tour.on { opacity: 1; visibility: visible; transition: opacity 0.5s; }
.tour::before, .tour::after { content: ''; position: absolute; left: 0; right: 0; height: 7vh; background: var(--paper); z-index: 0; }
.tour::before { top: 0; height: max(7vh, 82px); }
.tour::after { bottom: 0; }
.tour-card { z-index: 1; position: absolute; left: 50%; bottom: calc(7vh - 26px); transform: translateX(-50%); width: min(600px, calc(100vw - 32px)); padding: 16px 20px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow), 0 18px 50px rgba(20, 20, 24, 0.10); backdrop-filter: blur(14px) saturate(1.1); -webkit-backdrop-filter: blur(14px) saturate(1.1); pointer-events: auto; overflow: hidden; }
.tour-card::before { content: ''; position: absolute; left: 20px; right: 20px; top: 0; height: 2px; background: var(--accent); border-radius: 0 0 2px 2px; transition: background 0.5s; }
body.night .tour-card::before { background: var(--accent-d); }
.tour-in { transition: opacity 0.35s, transform 0.35s; }
.tour-in.fade { opacity: 0; transform: translateY(4px); }
.tour-meta { display: flex; align-items: baseline; gap: 10px; font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.tour-no { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: 0.08em; }
.tour-card h2 { margin: 7px 0 5px; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; }
.tour-card p { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--ink); max-width: 54ch; }
.tour-foot { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.tour-dots { display: flex; gap: 4px; flex: 1; }
.tour-dots i { flex: 1; max-width: 34px; height: 2px; background: var(--line-2); border-radius: 1px; overflow: hidden; position: relative; }
.tour-dots i b { position: absolute; inset: 0; background: var(--ink); transform-origin: left; transform: scaleX(0); }
#ui .tour-foot button { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 11px; border: 1px solid var(--line-2); border-radius: 999px; transition: background 0.15s; }
#ui .tour-foot button:hover { background: var(--line); }
#ui.touring > :not(.tour):not(.fig):not(.tip) { opacity: 0 !important; pointer-events: none !important; transition: opacity 0.4s; }
#ui.touring::before, #ui.touring::after { opacity: 0; }
#ui.touring .fig { z-index: 6; }
#ui.paneled .hint { opacity: 0; }


/* ---------- export ---------- */
#scene.exporting { object-fit: contain; pointer-events: none; }
.frame-guide { z-index: 0 !important; position: absolute; display: none; border: 1.5px dashed var(--ink); box-shadow: 0 0 0 100vmax color-mix(in srgb, var(--paper) 58%, transparent); pointer-events: none; }
.frame-guide::after { content: attr(data-label); position: absolute; left: 10px; top: 132px; padding: 3px 8px; border-radius: 999px; background: var(--ink); color: var(--paper); font-size: 10px; letter-spacing: 0.08em; }
.ex-row { display: grid; grid-template-columns: 76px 1fr; align-items: center; gap: 8px; margin-top: 8px; }
.ex-row label { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.ex-row .seg { margin: 0; }
#ui .ex-row .seg button { padding: 5px 0; font-size: 10px; letter-spacing: 0.04em; }
.ex-input { display: block; width: 100%; box-sizing: border-box; margin-top: 10px; padding: 8px 11px; border: 1px solid var(--line-2); border-radius: 10px; background: transparent; color: var(--ink); font: inherit; font-size: 11px; outline: none; }
.ex-input:focus { border-color: var(--ink); }
.ex-input:disabled { opacity: 0.4; }
.ex-est { font-size: 11px; line-height: 1.6; color: var(--muted); }
.ex-est b { color: var(--ink); font-weight: 600; }
#ui .btn:disabled { opacity: 0.4; }
.export-progress { z-index: 20 !important; position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: min(380px, calc(100vw - 32px)); padding: 12px 14px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); backdrop-filter: blur(10px); pointer-events: auto; display: none; }
.export-progress.on { display: block; }
.ep-head { display: flex; justify-content: space-between; align-items: center; }
#ui .ep-head .btn { padding: 4px 11px; font-size: 10px; }
.ep-bar { height: 3px; background: var(--line); border-radius: 2px; overflow: hidden; margin-top: 10px; }
.ep-bar i { display: block; height: 100%; background: var(--ink); transform-origin: left; transform: scaleX(0); transition: transform 0.15s linear; }
.ep-txt { margin-top: 7px; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
#ui.exporting > :not(.export-progress) { opacity: 0 !important; pointer-events: none !important; }
#ui.exporting::before, #ui.exporting::after { opacity: 0; }

/* ---------- time-lapse day strip ---------- */
.daystrip { position: absolute; left: 50%; bottom: 72px; transform: translateX(-50%); width: min(560px, calc(100vw - 48px)); box-sizing: border-box; padding: 10px 16px 8px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); backdrop-filter: blur(10px); pointer-events: auto; display: none; }
.daystrip.on { display: block; }
.ds-top { display: flex; align-items: center; gap: 12px; }
.ds-top .kicker { flex: 1; }
.ds-clock { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
#ui .ds-top .btn { padding: 4px 11px; font-size: 10px; }
.ds-track { position: relative; height: 10px; margin-top: 9px; background: var(--line); border-radius: 3px; }
.ds-day { position: absolute; top: 0; bottom: 0; background: color-mix(in srgb, #f2c230 34%, transparent); }
.ds-done { position: absolute; top: 3px; bottom: 3px; background: var(--ink); opacity: 0.55; border-radius: 2px; }
.ds-head { position: absolute; top: -4px; bottom: -4px; width: 2px; margin-left: -1px; background: var(--ink); border-radius: 1px; }
.ds-ticks { position: relative; height: 14px; margin-top: 4px; }
.ds-ticks span { position: absolute; transform: translateX(-50%); font-size: 9.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.ds-ticks span:first-child { transform: none; }
.ds-ticks span:last-child { transform: translateX(-100%); }
#ui.lapsing .hint { opacity: 0; }

/* ---------- intro ---------- */
.intro { position: absolute; inset: 0; display: grid; place-items: center; background: var(--paper); pointer-events: auto; transition: opacity 1.4s ease, visibility 0s 1.4s; text-align: center; }
.intro.out { opacity: 0; visibility: hidden; }
.intro span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.intro h2 { margin: 10px 0 8px; font-size: 44px; font-weight: 600; letter-spacing: -0.02em; }
.intro p { margin: 0; color: var(--muted); font-size: 12.5px; max-width: 420px; line-height: 1.6; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .ticker { bottom: 70px; max-width: 46vw; }
  .hint { display: none; }
}
@media (max-width: 760px) {
  .fig { top: 14px; left: 16px; }
  .fig h1 { font-size: 17px; }
  .fig h1 span { display: none; }
  .tools { left: 16px; top: auto; bottom: 64px; transform: none; flex-direction: row; }
  .tools .rule { width: 1px; height: auto; margin: 4px 2px; }
  .tools button { width: 32px; height: 32px; }
  .layers { left: 16px; right: 16px; transform: none; bottom: 14px; }
  .hint { display: none; }
  #ui::before { height: 130px; }
  #ui::after { height: 150px; }
  .ticker { left: 16px; right: auto; bottom: auto; top: 110px; max-width: calc(100vw - 32px); font-size: 11px; color: var(--muted); }
  .card { left: 12px; right: 12px; width: auto; top: auto; bottom: 112px; max-height: 46vh; transform: translateY(14px); }
  .modes { top: 110px; left: 16px; right: 16px; overflow-x: auto; scrollbar-width: none; }
  #ui .modes button { padding: 6px 9px; }
  .ticker { display: none; }
  .panel { left: 12px; right: 12px; width: auto; top: auto; bottom: 112px; max-height: 52vh; transform: translateY(14px); }
  .guide { left: 10px; right: 10px; top: 60px; bottom: 60px; padding: 16px; }
  .guide-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .tour-card { bottom: 12px; padding: 14px 16px 10px; }
  .daystrip { bottom: 112px; }
  .tour-card h2 { font-size: 18px; }
  .tour-card p { font-size: 12px; }
}

/* ---------------- phase 4: goods-flow Sankey, live dashboards ---------------- */
.panel.wide { width: 620px; }
.panel-head .seg.tabs { margin: 0 0 0 auto; width: 156px; padding: 2px; }
#ui .panel-head .seg.tabs button { padding: 4px 0; font-size: 10px; }
.sankey { margin-top: 10px; }
.sankey svg { display: block; width: 100%; height: auto; overflow: visible; }
.sankey .lk { fill: none; stroke: var(--c); stroke-opacity: 0.34; transition: stroke-opacity 0.15s; cursor: pointer; }
body.night .sankey .lk { stroke: var(--cd, var(--c)); }
.sankey .lk.est { stroke: var(--muted); stroke-opacity: 0.16; stroke-dasharray: 3 3; }
.sankey .lk.hov { stroke-opacity: 0.62; }
.sankey .lk.sel { stroke-opacity: 0.85; }
.sankey .lk.dim { stroke-opacity: 0.08; }
.sankey rect { fill: var(--ink); }
.sankey text { font-family: var(--font); font-size: 10px; fill: var(--ink); paint-order: stroke; stroke: var(--panel-solid, #faf9f6); stroke-width: 3px; stroke-linejoin: round; }
body.night .sankey text { stroke: #14161b; }
.sankey text tspan { fill: var(--muted); }
.sankey text.colh { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; fill: var(--muted); stroke: none; }
.legend .sw { width: 12px; height: 8px; border-radius: 2px; background: var(--c); opacity: 0.55; }
body.night .legend .sw { background: var(--cd, var(--c)); }
.legend .sw.est { background: repeating-linear-gradient(90deg, var(--muted) 0 3px, transparent 3px 5px); opacity: 0.6; }
.gd-sel { margin-top: 8px; padding: 8px 10px; border-radius: 10px; background: var(--line); font-size: 11px; line-height: 1.5; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.gd-sel span { color: var(--muted); }
#ui .gd-sel button { margin-left: auto; padding: 3px 10px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; }
.card .spark { margin: 12px 0 0; }
.card .spark label { display: block; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.card .spark svg { display: block; width: 100%; height: 34px; overflow: visible; }
.card .spark path.l { fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; }
.card .spark path.a { fill: var(--accent); opacity: 0.12; }
.card .spark circle { fill: var(--ink); }
@media (max-width: 700px) { .panel.wide { width: auto; } }

/* ---------------- location menu (top right) ---------------- */
.loc { position: absolute; top: 18px; right: 24px; z-index: 5; display: flex; gap: 6px; align-items: center; pointer-events: auto; }
#ui .loc-btn, #ui .loc-fit { height: 34px; background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow); backdrop-filter: blur(8px); transition: border-color 0.15s, background 0.15s; }
#ui .loc-btn { display: flex; align-items: center; gap: 8px; padding: 0 12px 0 10px; border-radius: 999px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; max-width: min(380px, 46vw); }
#ui .loc-btn:hover, #ui .loc-btn.on, #ui .loc-fit:hover { border-color: var(--line-2); }
#ui .loc-btn.on .loc-caret { transform: rotate(180deg); }
.loc-pin, .loc-caret { display: grid; place-items: center; color: var(--muted); flex: none; transition: transform 0.2s; }
.loc-label { display: flex; align-items: baseline; gap: 6px; min-width: 0; white-space: nowrap; overflow: hidden; }
.loc-label span, .loc-label i { color: var(--muted); font-style: normal; flex: none; }
.loc-label b { font-weight: 600; overflow: hidden; text-overflow: ellipsis; }
#ui .loc-fit { width: 34px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); }
.loc kbd { font-family: var(--font); font-size: 9.5px; line-height: 14px; min-width: 9px; text-align: center; padding: 0 4px; border: 1px solid var(--line-2); border-radius: 4px; color: var(--muted); background: transparent; }
.loc-pop { position: absolute; top: 42px; right: 0; width: 600px; max-height: calc(100vh - 150px); overflow: auto; padding: 12px 14px 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow), 0 18px 50px rgba(20, 20, 24, 0.10); backdrop-filter: blur(14px); scrollbar-width: thin; animation: locIn 0.16s ease-out; }
.loc-pop[hidden] { display: none; }
@keyframes locIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.loc-search { display: flex; align-items: center; gap: 9px; padding: 8px 10px 8px 12px; border: 1px solid var(--line-2); border-radius: 10px; color: var(--muted); cursor: text; }
.loc-search:focus-within { border-color: var(--ink); }
.loc-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font: inherit; font-size: 13px; color: var(--ink); }
.loc-search input::placeholder { color: var(--muted); }
.loc-recent { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 10px 2px 0; font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.loc-recent[hidden] { display: none; }
.loc-recent > span { margin-right: 4px; }
#ui .loc-recent button { padding: 3px 10px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 11px; letter-spacing: 0; text-transform: none; color: var(--ink); }
#ui .loc-recent button:hover { background: var(--line); }
.loc-body { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 14px; margin-top: 12px; }
.loc-body h4 { margin: 0 0 2px; padding: 0 8px; font-size: 9.5px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
#ui .loc-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; width: 100%; padding: 3.5px 8px 3.5px 20px; border-radius: 7px; font-size: 11.5px; text-align: left; color: var(--ink); opacity: 0.82; }
#ui .loc-item.top { padding-left: 8px; margin-top: 7px; font-weight: 600; opacity: 1; }
#ui .loc-body section .loc-item.top:first-of-type { margin-top: 2px; }
#ui .loc-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#ui .loc-item em { font-style: normal; font-size: 10.5px; color: var(--muted); white-space: nowrap; }
#ui .loc-item.hi { background: var(--line); opacity: 1; }
#ui .loc-item.cur { box-shadow: inset 2px 0 0 var(--ink); opacity: 1; }
#ui .loc-item.loc-whole { grid-column: 1 / -1; margin-top: 10px; padding-top: 6px; padding-bottom: 6px; border-top: 1px solid var(--line); border-radius: 0 0 7px 7px; }
.loc-body.results { grid-template-columns: 1fr; }
#ui .loc-body.results .loc-item { padding: 6px 10px; margin: 0; font-size: 12px; opacity: 1; }
#ui .loc-body.results .loc-item.top { font-weight: 600; }
.loc-none { margin: 6px 10px 2px; color: var(--muted); }
.loc-foot { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; padding: 8px 8px 0; border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); }
.loc-foot kbd { margin: 0 1px; }
@media (max-width: 760px) {
  .loc { top: 12px; right: 12px; }
  #ui .loc-btn { max-width: 52vw; height: 32px; }
  #ui .loc-fit { width: 32px; height: 32px; }
  .loc-pop { position: fixed; top: auto; left: 12px; right: 12px; bottom: 12px; width: auto; max-height: 72vh; }
  .loc-body { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .loc-foot { display: none; }
}