:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#182331;background:#eef2f6;--ink:#182331;--muted:#667383;--line:#d6dde5;--panel:#fff;--accent:#27608f;--danger:#a73c3c;--radius:14px}*{box-sizing:border-box}body{margin:0;min-height:100vh}.app-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px clamp(16px,3vw,34px);background:var(--ink);color:white}.app-header h1{margin:0;font-size:1.6rem}.app-header p{margin:3px 0 0;color:#c9d4df}.header-actions,.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.status{font-size:.86rem;color:#c9d4df}.tabs{display:flex;overflow-x:auto;background:#fff;border-bottom:1px solid var(--line);padding:0 clamp(8px,2vw,24px);position:sticky;top:0;z-index:5}.tab{border:0;background:transparent;padding:15px 17px;color:var(--muted);white-space:nowrap;border-bottom:3px solid transparent}.tab.active{color:var(--accent);border-color:var(--accent);font-weight:700}main{padding:clamp(14px,3vw,32px);max-width:1500px;margin:auto}.panel{display:none}.panel.active{display:block}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}.section-head.compact{margin-bottom:10px;align-items:center}.section-head h2,.section-head h3{margin:0}.section-head p{margin:5px 0 0;color:var(--muted)}button{border:0;border-radius:9px;padding:10px 13px;background:var(--accent);color:white;font-weight:650;cursor:pointer}button.secondary{background:#e6edf4;color:var(--ink)}button.danger{background:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}.stats{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:12px;margin-bottom:16px}.stats article,.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.stats strong{display:block;font-size:1.6rem}.stats span{color:var(--muted)}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);max-height:61vh}table{border-collapse:collapse;width:100%;min-width:900px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:.9rem}th{background:#f6f8fa;position:sticky;top:0}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card h3{margin-top:0}.card p,.card li{line-height:1.55;color:#3d4956}label{display:block;margin:11px 0;color:var(--muted);font-size:.9rem}input,select{width:100%;margin-top:5px;border:1px solid #bac5d0;border-radius:8px;padding:11px;background:white;color:var(--ink);font:inherit}.lab-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.lab-preview{margin-top:14px;border-radius:9px;background:#f4f7fa;padding:15px;text-align:center;color:var(--muted)}.component-row{display:grid;grid-template-columns:2fr 1fr auto;gap:9px;margin:8px 0}.component-row button{background:#687583}.list{display:grid;gap:10px}.list-item{background:white;border:1px solid var(--line);border-radius:12px;padding:14px}.list-item h3{margin:0 0 6px}.list-item p{margin:4px 0;color:var(--muted)}.badge{padding:8px 11px;border-radius:999px;font-weight:700;font-size:.85rem}.badge.warning{background:#fff1cf;color:#765700}#toast{position:fixed;right:18px;bottom:18px;background:#172330;color:white;padding:12px 16px;border-radius:10px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s;max-width:min(420px,calc(100vw - 36px));z-index:20}#toast.show{opacity:1;transform:none}code{background:#edf1f5;padding:2px 5px;border-radius:5px}@media(max-width:760px){.app-header{align-items:flex-start}.status{display:none}.section-head{display:block}.actions{margin-top:12px}.grid.two{grid-template-columns:1fr}.stats{grid-template-columns:repeat(3,1fr)}.stats article{padding:12px}.stats strong{font-size:1.25rem}.component-row{grid-template-columns:1fr 90px auto}.app-header h1{font-size:1.35rem}}@media(max-width:430px){main{padding:12px}.stats span{font-size:.72rem}.tabs .tab{padding:13px 12px}.actions button{flex:1}.lab-row{gap:5px}}
.work-layout{display:grid;grid-template-columns:minmax(360px,.85fr) minmax(460px,1.4fr);gap:16px}.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:12px 0}.delta{font-size:1.1rem}.muted-box{background:#f4f7fa;border:1px dashed var(--line);padding:12px;border-radius:9px;color:var(--muted)}.paste-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(115px,1fr));gap:6px;max-height:240px;overflow:auto;border:1px solid var(--line);padding:9px;border-radius:9px}.paste-choice{display:flex;gap:7px;align-items:center;margin:0;padding:7px;background:#f6f8fa;border-radius:7px}.paste-choice input{width:auto;margin:0}.note{font-size:.9rem}.library-grid{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(350px,1.3fr);gap:14px}.selectable{cursor:pointer}.selectable:hover{border-color:#88a8c3}.selectable.selected{border:2px solid var(--accent);background:#eef6fc}@media(max-width:950px){.work-layout,.library-grid{grid-template-columns:1fr}}@media print{.app-header,.tabs,.actions,#toast,.badge{display:none!important}main{padding:0}.panel{display:none!important}.panel.active{display:block!important}.card{break-inside:avoid}}

.picker-actions{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 10px}.picker-actions button{padding:9px 14px}.recalc-result{border-left:4px solid #425d78;padding-left:12px}.status-good{font-weight:700}

.similar-panel{margin:12px 0 16px;border:1px solid var(--line);border-radius:10px;background:#fbfcfd;overflow:hidden}.similar-panel summary{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:11px 13px;cursor:pointer;color:var(--ink)}.similar-panel summary strong{font-size:.82rem;color:var(--accent);text-align:right}.similar-results{padding:0 10px 10px}.similar-item{display:grid;grid-template-columns:1fr auto;gap:12px;padding:11px;border-top:1px solid var(--line)}.similar-item p{margin:4px 0;color:var(--muted);font-size:.84rem}.similar-formula{word-break:break-word}.similar-actions{display:flex;flex-direction:column;gap:7px;justify-content:center}.similar-actions button{padding:8px 10px;font-size:.8rem}@media(max-width:760px){.similar-item{grid-template-columns:1fr}.similar-actions{flex-direction:row;flex-wrap:wrap}.similar-actions button{flex:1}.similar-panel summary{align-items:flex-start;flex-direction:column}.similar-panel summary strong{text-align:left}}

/* v0.5.4.5 mobile-first Work Zone workflow */
.workflow-stack{display:grid;gap:14px;max-width:980px;margin:0 auto}.workflow-card{padding:16px}.workflow-card>h3{margin:0 0 12px}.start-card{padding:12px 16px}.start-work-row{display:grid;grid-template-columns:auto minmax(260px,1fr);gap:14px;align-items:end}.start-work-row label{margin:0}.start-work-row button{min-height:43px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.readiness-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.readiness-strip span{padding:7px 10px;border-radius:999px;background:#eef2f6;color:var(--muted);font-size:.82rem;font-weight:700}.readiness-strip span.ready{background:#e5f3e9;color:#28613a}.workflow-card .paste-list{max-height:280px}
@media(max-width:760px){.workflow-stack{gap:10px}.workflow-card{padding:13px}.start-work-row{grid-template-columns:1fr}.start-work-row button{width:100%}.form-grid{grid-template-columns:1fr}.workflow-card .button-grid{grid-template-columns:1fr 1fr}.readiness-strip{display:grid;grid-template-columns:1fr}.readiness-strip span{text-align:center}.workflow-card .paste-list{grid-template-columns:repeat(2,minmax(0,1fr));max-height:320px}.workflow-card h3{font-size:1rem}}
@media(max-width:390px){.workflow-card .button-grid{grid-template-columns:1fr}.workflow-card .paste-list{grid-template-columns:1fr}.lab-row input{padding:9px 7px}}

/* v0.5.5.0 Repair mode */
.start-actions{display:flex;gap:9px;align-items:center}.start-actions button{min-width:130px}.repair-mode-badge{margin-top:10px;padding:9px 12px;border-radius:9px;background:#fff2cc;border:1px solid #e2c66e;color:#6d5612;font-weight:800;text-align:center}.repair-card{border:2px solid #d4b653;background:#fffdf5}.repair-active{background:#9a6b00!important;color:#fff!important}@media(max-width:760px){.start-actions{display:grid;grid-template-columns:1fr 1fr}.start-actions button{min-width:0;width:100%}}