/* Vexa 4: shared visual system; existing components retain their behavior. */
:root{--bg:#f4f7fb;--surface:#fff;--ink:#183248;--muted:#677e90;--accent:#167e86;--line:#dde6ef;font-family:Inter,Arial,sans-serif}body{background:var(--bg);color:var(--ink)}.sidebar{background:#142f46;color:#e9f2fb;border:0}.sidebar .brand,.sidebar .nav-btn{color:#e9f2fb}.sidebar .nav-btn.active{background:#24516b;color:#fff;border-radius:10px}.sidebar .nav-btn:hover{background:#214459}.btn{border-radius:9px;min-height:36px}.btn.primary{background:#167e86;color:white;border-color:#167e86}.page h1{letter-spacing:-.7px}.ledger{background:white}.ledger th{background:#edf3f8;color:#4c687e}.ledger td{padding-top:14px;padding-bottom:14px}.settings-card,.block,.submission-card{border:1px solid var(--line);border-radius:14px;box-shadow:0 3px 14px #1a3a5405}.workspace-dialog{border:1px solid var(--line);border-radius:18px;width:min(1150px,94vw);max-height:92vh;padding:26px;background:#f7f9fc;color:#183248}.workspace-dialog::backdrop{background:#122c4577;backdrop-filter:blur(3px)}.workspace-dialog h2{margin:0}.workspace-toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:18px}.workspace-toolbar>div{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.workspace-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0}.workspace-tabs button{background:white;border:1px solid #d6e2ec;border-radius:20px;padding:8px 14px;cursor:pointer}.workspace-tabs button.active{background:#167e86;color:white}.workspace-card{padding:18px;background:white;border:1px solid #dce5ed;border-radius:12px;margin:14px 0}.workspace-card summary{cursor:pointer;font-weight:650;padding:8px}.workspace-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.workspace-grid label{display:flex;flex-direction:column;gap:5px;font-size:13px}.workspace-dialog input,.workspace-dialog select,.workspace-dialog textarea{border:1px solid #c5d4e1;border-radius:7px;padding:9px;font:inherit;max-width:100%;box-sizing:border-box}.workspace-dialog textarea{width:100%;min-height:120px}.workspace-scroll{overflow:auto;max-height:52vh}.lab-banner{position:sticky;top:0;z-index:2;background:#fff1ce;border:1px solid #e6c87e;padding:14px;border-radius:10px;font-weight:650;color:#684b09}.workspace-muted{color:#64798b;font-size:13px}.workspace-empty{padding:35px;text-align:center;color:#64798b}.workspace-error{color:#a52532;white-space:pre-wrap}.workspace-code{font-family:monospace;font-size:12px;white-space:pre-wrap;word-break:break-word}.workspace-pill{display:inline-block;border-radius:20px;background:#e8f4f1;color:#146e60;padding:5px 9px;font-size:12px}.workspace-check{display:flex;gap:10px;align-items:center;margin:12px 0}@media(max-width:720px){.workspace-dialog{padding:14px}.workspace-grid{grid-template-columns:1fr}.workspace-toolbar{align-items:flex-start}.ledger td{padding:10px 6px}}

.workspace-dialog h2,.workspace-dialog h3{font-family:Arial,sans-serif}.workspace-menu{display:none}@media(max-width:760px){.workspace-menu{display:block;margin:0 20px 10px;background:#24516b;color:white;border:1px solid #456980;border-radius:8px;padding:8px 14px}.sidebar nav{display:none}.sidebar.menu-open nav{display:block}.sidebar .status-pill{margin-bottom:10px}.sidebar{padding-bottom:4px!important}main{min-width:0}.workspace-dialog{width:94vw;box-sizing:border-box}}