:root{--paper: #F6F1E7;--paper-deep: #ECE5D5;--ink: #14161B;--ink-soft: #2A2F3A;--panel: #0F1620;--panel-soft: #1A2230;--panel-line: #2C3645;--rail: #4A5468;--on-panel: #E8E4D7;--on-panel-dim: #8A92A2;--st-operational: #4FB3A7;--st-tunneling: #E63946;--st-excavating: #F4A261;--st-structure-done: #2D6A4F;--st-finishing: #9D4EDD;--st-planned: #6B7280;--shadow-1: 0 1px 2px rgba(0,0,0,.05), 0 4px 14px rgba(15, 22, 32, .08);--shadow-2: 0 2px 6px rgba(0,0,0,.08), 0 16px 40px rgba(15, 22, 32, .12);--font-ui: "Onest", "PT Root UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, 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var(--panel-line);position:relative}.brand__eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-panel-dim);margin-bottom:6px}.brand__title{font-size:20px;font-weight:600;letter-spacing:-.01em;line-height:1.15}.brand__title em{font-style:normal;color:var(--st-operational)}.brand__subtitle{font-family:var(--font-mono);font-size:11px;color:var(--on-panel-dim);margin-top:8px}.sidebar__body{flex:1;overflow-y:auto;padding:20px 24px;position:relative}.sidebar__body::-webkit-scrollbar{width:6px}.sidebar__body::-webkit-scrollbar-thumb{background:var(--panel-line);border-radius:3px}.sidebar__footer{padding:14px 24px;border-top:1px solid var(--panel-line);display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:11px;color:var(--on-panel-dim);position:relative}.sidebar__footer a{color:var(--on-panel-dim);text-decoration:none;border-bottom:1px dotted var(--rail)}.map-wrap{position:relative;background:var(--paper-deep);overflow:hidden}.map-root{width:100%;height:100%}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:12px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;text-transform:uppercase;border:1px solid currentColor}.status-pill:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.timeline{margin-top:8px}.timeline__date{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.timeline__date-big{font-family:var(--font-mono);font-size:28px;font-weight:500;letter-spacing:-.02em;color:var(--on-panel)}.timeline__date-meta{font-family:var(--font-mono);font-size:11px;color:var(--on-panel-dim);letter-spacing:.05em}.timeline__rail{position:relative;height:28px;display:flex;align-items:center}.timeline__rail 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14px;border-radius:4px;background:var(--panel-soft);color:var(--on-panel);border:1px solid var(--panel-line);transition:background .15s,border-color .15s,color .15s}.btn:hover{background:var(--panel-line)}.btn--primary{background:var(--st-operational);color:var(--panel);border-color:var(--st-operational)}.btn--primary:hover{background:#5fc7bb;border-color:#5fc7bb}.btn--ghost{background:transparent}.timeline__speed{margin-left:auto;display:flex;gap:4px}.speed-btn{font-family:var(--font-mono);font-size:10px;padding:5px 8px;background:transparent;color:var(--on-panel-dim);border:1px solid 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