:root{--ink:#172b3a;--muted:#6b7b89;--line:#dce4eb;--blue:#b9def7;--blue-deep:#2779b9;--surface:#fff;--bg:#f3f6f9;--shadow:0 12px 36px rgba(27,52,73,.10)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));gap:20px}.brand{display:flex;align-items:center;gap:11px}.brand-mark,.login-icon{display:grid;place-items:center;background:#173b56;color:#fff;font-weight:800;letter-spacing:.04em;border-radius:11px;width:39px;height:39px}.brand strong,.brand small{display:block}.brand small{font-size:11px;color:var(--muted);margin-top:1px}.topbar nav{display:flex;align-items:center;gap:20px}.topbar a{color:#42586a;text-decoration:none;font-size:13px;font-weight:650}.topbar a:hover{color:var(--blue-deep)}nav form{margin:0}.nav-button{border:0;background:none;color:#647585;font:inherit;font-size:13px;cursor:pointer}.page{max-width:1180px;margin:0 auto;padding:36px 24px 64px;min-height:calc(100vh - 130px)}footer{text-align:center;padding:20px;color:#8a98a5;font-size:12px}.heading-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.14em;color:#6c8da5}.heading-row h1{font-size:30px;letter-spacing:-.04em;margin:5px 0 4px}.muted{color:var(--muted);margin:0;font-size:13px}.user-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;font-size:12px;color:#526575;white-space:nowrap}.online-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#35b879;margin-right:7px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:14px}.searchbox{height:42px;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:0 12px;width:min(390px,100%);color:#8293a0}.searchbox span{font-size:23px}.searchbox input{border:0;outline:0;width:100%;font:inherit;font-size:13px}.legend{display:flex;gap:16px;color:#687987;font-size:12px}.legend span{display:flex;align-items:center;gap:7px}.swatch{width:12px;height:12px;border-radius:3px;border:1px solid #c8d3dc}.swatch.empty{background:white}.swatch.occupied{background:var(--blue);border-color:#9bc8e8}.room-card,.history-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 3px 12px rgba(35,62,82,.025)}.room-label{display:flex;justify-content:space-between;color:#8795a1;font-size:10px;font-weight:800;letter-spacing:.12em;margin-bottom:15px}.room-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:9px}.cage{position:relative;min-width:0;aspect-ratio:1.14/1;border:1px solid #d8e1e8;border-radius:8px;background:#fff;color:#294255;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:grab;transition:background .15s,border-color .15s,transform .15s,box-shadow .15s;padding:4px}.cage:hover{border-color:#6fa9d3;box-shadow:0 3px 10px rgba(44,115,164,.12);transform:translateY(-1px)}.cage.occupied{background:var(--blue);border-color:#a6cfe9}.cage-number{font-weight:800;font-size:14px}.cage-count{font-size:10px;color:#627789;white-space:nowrap}.cage.dragging{opacity:.35}.cage.drop-target{outline:2px dashed #388ac2;outline-offset:2px}.cage[hidden]{display:none}.no-results{text-align:center;color:var(--muted);padding:25px}.summary-row{display:flex;gap:12px;margin-top:15px}.summary-row>div{flex:1;background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 16px;display:flex;align-items:baseline;gap:9px}.summary-row strong{font-size:21px;letter-spacing:-.04em}.summary-row span{font-size:12px;color:var(--muted)}.modal{display:none;position:fixed;inset:0;z-index:10;align-items:center;justify-content:center;padding:18px}.modal.open{display:flex}.modal-backdrop{position:absolute;inset:0;background:rgba(12,29,42,.48);backdrop-filter:blur(3px)}.modal-panel{position:relative;background:#fff;border-radius:16px;width:min(540px,100%);max-height:calc(100vh - 36px);overflow:auto;padding:24px;box-shadow:var(--shadow)}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.modal-head h2{font-size:23px;margin:3px 0 0;letter-spacing:-.03em}.icon-button{border:0;background:#f1f4f6;border-radius:8px;width:34px;height:34px;font-size:24px;color:#607384;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid label,.login-form label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:#526575}.form-grid input,.form-grid textarea,.login-form input,.history-search input{width:100%;border:1px solid #d8e1e8;border-radius:8px;padding:10px 11px;font:inherit;font-size:14px;color:var(--ink);background:#fff;outline:none}.form-grid input:focus,.form-grid textarea:focus,.login-form input:focus,.history-search input:focus{border-color:#66a6d4;box-shadow:0 0 0 3px rgba(72,150,205,.12)}.form-grid textarea{resize:vertical;min-height:105px}.span-2{grid-column:span 2}.age-box{background:#f2f7fb;border:1px solid #e1edf5;border-radius:9px;padding:10px 12px;display:flex;flex-direction:column}.age-box span,.age-box small{font-size:11px;color:#6e8292}.age-box strong{font-size:18px;margin:1px 0}.record-meta{display:flex;justify-content:space-between;gap:12px;color:#8795a1;font-size:10px;margin-top:15px}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:18px}.primary,.secondary,.link-button{border-radius:8px;padding:10px 15px;font:inherit;font-size:13px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.primary{background:#1d638f;color:white;border:1px solid #1d638f}.primary:hover{background:#174e72}.primary:disabled{opacity:.6;cursor:wait}.secondary,.link-button{background:#fff;color:#526575;border:1px solid var(--line)}.save-message{font-size:12px;color:#20835a;text-align:right;margin-top:8px;min-height:16px}.history-search{display:flex;gap:9px;margin-bottom:15px}.history-search input{max-width:420px}.history-search a{align-self:center;color:#6c7c89;font-size:12px}.history-table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th{text-align:left;color:#82919e;font-size:10px;text-transform:uppercase;letter-spacing:.08em;padding:11px;border-bottom:1px solid var(--line)}td{padding:12px 11px;border-bottom:1px solid #edf1f4;vertical-align:top}tr:last-child td{border-bottom:0}.nowrap{white-space:nowrap}.details-cell{min-width:240px;max-width:520px;overflow-wrap:anywhere}.empty-state{text-align:center;padding:35px;color:var(--muted)}.login-wrap{min-height:65vh;display:grid;place-items:center}.login-card{width:min(400px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}.login-icon{width:48px;height:48px;font-size:15px;margin-bottom:17px}.login-card h1{font-size:26px;margin:0 0 4px}.login-form{display:grid;gap:15px;margin-top:24px}.login-form input{margin-top:2px}.full{width:100%;margin-top:3px}.hint{font-size:11px;color:#8a98a5;margin:16px 0 0;text-align:center}.flash{background:#fff4e8;color:#8a4e0a;border:1px solid #f2d6b5;padding:10px 13px;border-radius:8px;margin-bottom:16px;font-size:13px}body.modal-open{overflow:hidden}
@media(max-width:760px){.topbar{height:auto;min-height:64px;padding:12px 16px;align-items:flex-start;flex-direction:column;gap:10px}.topbar nav{width:100%;gap:17px;flex-wrap:wrap}.page{padding:25px 14px 45px}.heading-row{align-items:flex-start}.heading-row h1{font-size:26px}.heading-row .muted{max-width:330px}.user-chip{font-size:10px;padding:7px 9px}.toolbar{align-items:flex-start;flex-direction:column}.searchbox{width:100%}.room-card{padding:12px 9px}.room-grid{gap:5px}.cage{aspect-ratio:1/1;border-radius:6px;gap:2px;padding:2px}.cage-number{font-size:clamp(9px,2.5vw,13px)}.cage-count{font-size:clamp(7px,1.8vw,10px)}.room-label{font-size:8px;margin:2px 3px 11px}.legend{font-size:11px}.summary-row{gap:6px}.summary-row>div{padding:10px 8px;display:flex;flex-direction:column;gap:0}.summary-row strong{font-size:18px}.summary-row span{font-size:10px}.modal{padding:8px;align-items:flex-end}.modal-panel{padding:20px 16px;border-radius:16px 16px 10px 10px;max-height:92vh}.form-grid{gap:12px}.history-search{flex-wrap:wrap}.history-search input{max-width:none;flex:1;min-width:180px}.heading-row .link-button{white-space:nowrap}.record-meta{flex-direction:column;gap:4px}}
@media(max-width:380px){.room-grid{gap:3px}.cage-count{font-size:7px}.cage-number{font-size:9px}.room-card{padding:9px 6px}.brand small{font-size:10px}}

/* Rack layout, row/column coordinates, tank classes and move cart */
.rack-grid{display:grid;grid-template-columns:34px repeat(10,minmax(0,1fr));grid-template-rows:28px repeat(5,minmax(58px,1fr));gap:9px;align-items:stretch}
.axis-corner,.column-axis,.row-axis{display:grid;place-items:center;color:#718493;font-size:11px;font-weight:800}
.column-axis{grid-row:1}
.row-axis{font-size:13px}
.cage.stock{background:#e7ddfb;border-color:#cbb8ee}
.cage.breeders{background:#fbe0e9;border-color:#efbfd0}
.cage.stock-breeders{background:linear-gradient(135deg,#e7ddfb 0 50%,#fbe0e9 50% 100%);border-color:#d4bfdc}
.swatch.stock{background:#e7ddfb;border-color:#cbb8ee}
.swatch.breeders{background:#fbe0e9;border-color:#efbfd0}
.move-cart{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 15px;margin:0 0 14px}
.move-cart>div{display:flex;flex-direction:column;gap:2px}.move-cart strong{font-size:12px}.move-cart span{font-size:12px;color:var(--muted)}.move-cart.cart-active{border-color:#79a9c9;background:#f3f9fd}
.classification{border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:flex;gap:24px;align-items:center;margin:0;min-width:0}
.classification legend{font-size:12px;font-weight:700;color:#526575;padding:0 5px}
.classification label{display:flex;flex-direction:row;align-items:center;gap:7px;font-size:13px;font-weight:600}
.classification input{width:auto;margin:0;accent-color:#286f9d}
@media(max-width:760px){.rack-grid{grid-template-columns:20px repeat(10,minmax(0,1fr));grid-template-rows:22px repeat(5,minmax(34px,1fr));gap:4px}.column-axis{font-size:9px}.row-axis{font-size:10px}.move-cart{align-items:flex-start;padding:10px;gap:8px}.move-cart span{font-size:10px}.classification{gap:18px}}
@media(max-width:380px){.rack-grid{grid-template-columns:17px repeat(10,minmax(0,1fr));gap:3px}.rack-grid .cage-number{font-size:9px}.rack-grid .cage-count{font-size:7px}}

.rack-tabs{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;max-width:650px}.rack-tabs a{display:inline-flex;align-items:center;padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#526575;text-decoration:none;font-size:11px;font-weight:700;white-space:nowrap}.rack-tabs a.active{background:#1d638f;border-color:#1d638f;color:#fff}.rack-tabs a:hover:not(.active){border-color:#83b1d1;background:#f4f9fc}
@media(max-width:760px){.rack-tabs{justify-content:flex-start;max-width:100%;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.rack-tabs a{font-size:10px;padding:7px 9px}}

/* Demo sign-in, tank deletion and drag-to-cart */
.account-area{display:flex;align-items:center;gap:10px;color:#526575;font-size:12px;font-weight:700}.account-area form{margin:0}.logout-button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 10px;color:#526575;font-size:11px;font-weight:700;cursor:pointer}.danger-button{border:1px solid #e2a5a5;background:#fff5f5;color:#a33b3b;border-radius:8px;padding:10px 13px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.danger-button:hover{background:#ffe9e9}.danger-button:disabled{opacity:.6;cursor:wait}.move-cart.cart-drop-target{outline:2px dashed #388ac2;outline-offset:3px;background:#edf7ff}.summary-row>div{min-width:0}.login-wrap{min-height:65vh;display:grid;place-items:center}.login-card{width:min(410px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}.login-card h1{font-size:26px;margin:8px 0 4px}.login-form{display:grid;gap:15px;margin-top:24px}.login-form label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:#526575}.login-form input{width:100%;border:1px solid #d8e1e8;border-radius:8px;padding:10px 11px;font:inherit;font-size:14px}.login-form input:focus{outline:none;border-color:#66a6d4;box-shadow:0 0 0 3px rgba(72,150,205,.12)}.login-form .full{width:100%}.flash{background:#fff4e8;color:#8a4e0a;border:1px solid #f2d6b5;padding:10px 13px;border-radius:8px;margin:14px 0;font-size:13px}
@media(max-width:760px){.account-area{position:absolute;right:14px;top:15px}.topbar{padding-right:125px}.summary-row{flex-wrap:wrap}.summary-row>div{flex:1 1 30%}.modal-actions{flex-wrap:wrap}.danger-button{margin-right:auto}}
/* Tank sex indicators and optional genetics fields */
.cage{padding-bottom:15px}
.cage-sex{position:absolute;right:5px;bottom:3px;display:flex;gap:2px;align-items:center;font-size:14px;line-height:1;font-weight:800}
.male-symbol{color:#246da8}.female-symbol{color:#c04d83}
.additional-information{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fbfcfd}
.additional-information>summary{font-size:13px;font-weight:750;color:#526575;cursor:pointer;user-select:none}
.additional-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.additional-grid label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:#526575}
.additional-grid input,.additional-grid textarea{width:100%;border:1px solid #d8e1e8;border-radius:8px;padding:10px 11px;font:inherit;font-size:14px;color:var(--ink);background:#fff;outline:none}
.additional-grid textarea{resize:vertical;min-height:70px}
.additional-grid input:focus,.additional-grid textarea:focus{border-color:#66a6d4;box-shadow:0 0 0 3px rgba(72,150,205,.12)}
@media(max-width:760px){.cage{padding-bottom:13px}.cage-sex{right:3px;bottom:2px;font-size:11px}.additional-grid{gap:11px}}