:root{--bim-graphite:#20242a;--bim-steel:#647382;--bim-light:#f4f5f6;--bim-line:#dfe3e7;--bim-orange:#ef6c00;--bim-green:#2f855a;--bim-amber:#b7791f;--bim-red:#c53030}
#bim-project-workspace{position:fixed;inset:48px 0 0 220px;z-index:900;background:var(--bim-light);color:var(--bim-graphite);font-family:Inter,Segoe UI,Arial,sans-serif;overflow:auto}
#bim-project-workspace *{box-sizing:border-box}
.bim-shell{min-height:100%;padding:22px 30px 60px}
.bim-shell>nav{position:sticky;top:-22px;z-index:3;display:flex;gap:4px;padding:12px 0 14px;background:rgba(244,245,246,.96);border-bottom:1px solid var(--bim-line);backdrop-filter:blur(8px)}
.bim-shell>nav button{border:0;background:transparent;color:var(--bim-steel);font-size:12px;font-weight:700;letter-spacing:.055em;padding:10px 14px;cursor:pointer;border-radius:5px}
.bim-shell>nav button.active{background:var(--bim-graphite);color:#fff}.bim-shell>nav button:hover{color:var(--bim-orange)}
.bim-shell main{max-width:1420px;margin:24px auto}.bim-project-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}.bim-project-head small{color:var(--bim-orange);font-weight:800;letter-spacing:.15em}.bim-project-head h1{font-size:31px;line-height:1.15;margin:7px 0 3px}.bim-project-head p{margin:0;color:var(--bim-steel)}
.bim-status{background:#e8ecef;color:var(--bim-graphite);font-size:12px;font-weight:800;padding:7px 11px;border-radius:999px}
.bim-meta{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:1px;background:var(--bim-line);border:1px solid var(--bim-line);border-radius:8px;overflow:hidden;margin-bottom:16px}.bim-meta div{background:#fff;padding:14px}.bim-meta span,.bim-kpi span{display:block;color:var(--bim-steel);font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:7px}.bim-meta b{font-size:14px}
.bim-kpis{display:grid;grid-template-columns:repeat(6,minmax(110px,1fr));gap:10px;margin-bottom:16px}.bim-kpis.finance{grid-template-columns:repeat(4,1fr)}.bim-kpi{background:#fff;border:1px solid var(--bim-line);border-left:3px solid var(--bim-steel);padding:15px;border-radius:7px}.bim-kpi strong{font-size:21px}.bim-kpi.amber{border-left-color:var(--bim-amber)}
.bim-grid{display:grid;gap:14px;margin-bottom:14px}.bim-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.bim-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.bim-card{background:#fff;border:1px solid var(--bim-line);border-radius:8px;padding:18px;min-width:0;margin-bottom:14px}.bim-grid>.bim-card{margin-bottom:0}.bim-card>header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.bim-card h2{font-size:15px;margin:0}.bim-card p{margin:8px 0}
.bim-action{border:0;border-radius:5px;background:var(--bim-orange);color:#fff;font-size:12px;font-weight:700;padding:9px 12px;cursor:pointer}.bim-action:hover{filter:brightness(.92)}.bim-actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 16px}
.bim-rows{display:grid;gap:1px;background:var(--bim-line);border:1px solid var(--bim-line);border-radius:5px;overflow:hidden}.bim-rows>div{display:flex;justify-content:space-between;gap:12px;background:#fff;padding:10px 12px;font-size:12px}.bim-rows span{color:var(--bim-steel);text-align:right}.bim-empty,.bim-muted{color:var(--bim-steel);font-size:13px}
.bim-bar{margin:15px 0}.bim-bar>div{display:flex;justify-content:space-between;font-size:12px;margin-bottom:6px}.bim-bar i{display:block;height:7px;background:#e8ecef;border-radius:4px;overflow:hidden}.bim-bar em{display:block;height:100%;background:var(--bim-orange)}.bim-bar em.steel{background:var(--bim-steel)}.bim-bar em.green{background:var(--bim-green)}
.bim-person{display:flex;justify-content:space-between;gap:16px}.bim-person span{color:var(--bim-steel)}.bim-checks{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.bim-checks span{padding:9px;background:var(--bim-light);border-radius:4px;font-size:12px;text-align:center}.bim-timeline{border-left:2px solid var(--bim-steel);padding-left:18px}.bim-timeline div{display:flex;justify-content:space-between;margin:12px 0;font-size:13px}.bim-timeline span{color:var(--bim-steel)}.bim-archive{border-left:3px solid var(--bim-amber);padding-left:10px}.bim-archive.done{border-left-color:var(--bim-green)}.bim-loading{display:grid;place-items:center;height:100%;font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--bim-steel)}
@media(max-width:1100px){#bim-project-workspace{left:72px}.bim-meta{grid-template-columns:repeat(3,1fr)}.bim-kpis{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){#bim-project-workspace{left:0}.bim-shell{padding:12px}.bim-shell>nav{overflow-x:auto}.bim-grid.two,.bim-grid.three{grid-template-columns:1fr}.bim-meta,.bim-kpis,.bim-kpis.finance{grid-template-columns:repeat(2,1fr)}}