:root{--ui-bg:#f5f7fb;--ui-card:#fff;--ui-text:#172033;--ui-muted:#667085;--ui-border:#dbe2ea}
html[data-ui-theme="dark"]{--ui-bg:#0b1220;--ui-card:#121b2d;--ui-text:#e7edf7;--ui-muted:#9eacc1;--ui-border:#26344a}
html[data-ui-theme="comfort"]{--ui-bg:#f3eddc;--ui-card:#fbf5e6;--ui-text:#40382c;--ui-muted:#756b5b;--ui-border:#d8ccb3}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100%;background:var(--ui-bg);color:var(--ui-text);font-family:system-ui,-apple-system,"Noto Sans Bengali","Segoe UI",sans-serif}body{min-height:100vh}
.hidden{display:none!important}.bbhs-ui-bar{position:sticky;top:0;z-index:50;display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap;padding:8px 12px;background:var(--ui-card);border-bottom:1px solid var(--ui-border)}
.bbhs-ui-btn{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;border:1px solid var(--ui-border);background:var(--ui-card);color:var(--ui-text);padding:7px 10px;border-radius:9px;text-decoration:none;cursor:pointer;touch-action:manipulation}.bbhs-ui-btn:hover{filter:brightness(.98)}.bbhs-ui-btn:focus-visible{outline:2px solid #2563eb;outline-offset:2px}
.bbhs-ui-main{max-width:1280px;margin:auto;padding:14px}.bbhs-card{background:var(--ui-card);border:1px solid var(--ui-border);border-radius:16px;padding:16px;margin:12px 0;box-shadow:0 8px 24px rgba(0,0,0,.05)}
.bbhs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.module-form{margin-top:12px}.bbhs-input,.bbhs-select{width:100%;box-sizing:border-box;padding:10px;border:1px solid var(--ui-border);border-radius:10px;background:var(--ui-card);color:var(--ui-text)}textarea{font-family:inherit}
.bbhs-table-wrap{overflow:auto}.bbhs-table{width:100%;min-width:850px;border-collapse:collapse;color:var(--ui-text)}.bbhs-table th,.bbhs-table td{padding:9px;border-bottom:1px solid var(--ui-border);text-align:left;vertical-align:top;color:var(--ui-text)}.bbhs-table th{font-weight:700}.bbhs-table small,.bbhs-muted{color:var(--ui-muted)}
.bbhs-actions{display:flex;gap:7px;flex-wrap:wrap}.bbhs-danger{color:#b42318}.bbhs-ok{display:block;padding:10px;border-radius:10px;background:#ecfdf3;color:#067647}.bbhs-error{padding:10px;border-radius:10px;background:#fee4e2;color:#b42318;margin-top:10px}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;color:#2563eb;text-transform:uppercase}.auth-card{max-width:650px;margin:48px auto}.auth-card h1{margin:6px 0 10px}.section-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.section-head h2{margin:.2rem 0}.identity{min-width:260px;color:var(--ui-muted);font-size:12px;text-align:right}.identity b{color:var(--ui-text)}
.parity-note{display:grid;gap:6px;color:var(--ui-muted)}.parity-note strong{color:var(--ui-text)}.module{scroll-margin-top:70px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}.row-actions .bbhs-ui-btn{padding:5px 8px;font-size:12px}
@media(max-width:640px){.bbhs-ui-main{padding:9px}.bbhs-card{padding:12px}.bbhs-table{min-width:760px}.section-head{display:block}.identity{text-align:left;margin-top:10px;min-width:0}}