.cloud-bar{position:fixed;bottom:0;left:0;right:0;z-index:1100;min-height:44px;padding:7px 18px;display:flex;align-items:center;gap:12px;background:#173f30;color:#fff;font:13px system-ui;box-shadow:0 -2px 12px #0001}
.cloud-bar span{flex:1}.cloud-bar a{color:white;text-decoration:none}.cloud-bar button,.cloud-dialog button{border:1px solid #b7cbbf;border-radius:7px;padding:8px 12px;background:#fff;color:#174d38;cursor:pointer}.cloud-bar button:disabled{opacity:.5}.cloud-gate{position:fixed;inset:0;z-index:20000;background:#f3f7f5f5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;font:18px system-ui;padding:40px;text-align:center}.cloud-gate[hidden]{display:none}.cloud-dialog{border:1px solid #cadbd0;border-radius:16px;padding:26px;width:min(620px,90vw);max-height:85vh;color:#183c30;font:15px/1.6 system-ui;box-shadow:0 24px 90px #0003}.cloud-dialog::backdrop{background:#102e2566}.cloud-dialog textarea{width:100%;padding:12px;box-sizing:border-box;border:1px solid #b7cbbf;border-radius:8px;font:inherit}.cloud-dialog h2{margin:0 0 18px}.cloud-warning{background:#fff3d6;padding:10px;border-radius:6px}.cloud-caption{color:#65786f;font-size:13px}.cloud-metrics{display:flex;gap:14px}.cloud-metrics>div{flex:1;background:#edf5ef;padding:15px;border-radius:8px}.cloud-metrics strong{font-size:28px;display:block}.cloud-metrics span{font-size:12px}.app-container{padding-bottom:58px;box-sizing:border-box}@media(max-width:800px){.cloud-bar{flex-wrap:wrap;font-size:11px}.cloud-bar span{min-width:50%}}
.workspace-menu{display:flex;align-items:center;gap:2px;padding:3px 18px;background:white;border-bottom:1px solid #dbe7de;position:relative;z-index:1500;flex-shrink:0;font:13px system-ui}.workspace-menu details{position:relative}.workspace-menu summary{padding:10px 11px;cursor:pointer;list-style:none;color:#325849;border-radius:6px;white-space:nowrap}.workspace-menu details[open]>summary,.workspace-menu summary:hover{background:#eaf3ee}.workspace-dropdown{position:absolute;top:100%;left:0;min-width:265px;padding:8px;background:white;border:1px solid #d3e2d8;box-shadow:0 16px 40px #173f3025;border-radius:10px}.workspace-dropdown button,.workspace-search-results button{display:block;width:100%;border:0;background:white;color:#254e3c;text-align:left;padding:10px 12px;font:13px system-ui;cursor:pointer;border-radius:5px}.workspace-dropdown button:hover,.workspace-search-results button:hover{background:#eef5f0}.workspace-layer{display:flex;gap:12px;padding:12px;border-bottom:1px solid #e5ece7;align-items:center}.workspace-layer input{accent-color:#176246;width:18px;height:18px}.workspace-search{margin-left:auto;position:relative}.workspace-search input{border:1px solid #d7e4db;border-radius:7px;padding:8px 10px;width:160px;font:12px system-ui}.workspace-search-results:not(:empty){position:absolute;right:0;top:100%;width:310px;max-height:420px;overflow:auto;background:white;border:1px solid #d7e4db;border-radius:8px;box-shadow:0 15px 30px #0002}.cloud-dialog li{margin:10px 0}@media(max-width:1050px){.workspace-menu{flex-wrap:wrap;padding:2px 8px}.workspace-menu summary{padding:7px}.workspace-search{display:none}} 
.header-actions>.studio-menu{display:none}.cloud-variant{border:1px solid #d7e4db;border-radius:10px;padding:16px;margin:12px 0}.cloud-variant h3{margin:0}.cloud-variant p{margin:6px 0}
.pump-field{display:flex;align-items:center;gap:15px;justify-content:space-between;margin:14px 0}.pump-field input{width:90px;padding:8px;border:1px solid #c6d8cc;border-radius:6px}.cloud-dialog>button{margin:8px 8px 8px 0}.cloud-dialog>a{display:block;color:#176246}

/* Web studio: quiet surfaces, compact navigation and room for the drawing. */
:root{--primary:#20745b;--primary-hover:#175740;--bg-main:#f3f6f5;--border-color:#e0e7e3;--text-main:#243c33;--text-muted:#647a6f}
body{font-family:'Segoe UI',Arial,sans-serif;background:#f3f6f5}
#app{height:calc(100dvh - 54px)}
header{min-height:64px;padding:10px 20px;background:#fff!important;border-bottom:1px solid #e6ece8;gap:18px}
.logo-icon{background:#20745b;border-radius:12px;width:34px;height:38px}.logo-text{font-size:16px;font-weight:700}.logo-badge{letter-spacing:1.3px}
.project-title-container{border-radius:8px;background:#f4f7f5;padding:8px 10px}.project-title-input{font-size:12px;color:#355247}
.header-actions .btn{box-shadow:none!important;border-radius:8px!important;height:34px;transition:background .15s,border-color .15s}
#btn-auto-sprinklers{background:#20745b!important}#btn-open-bom{background:#fff!important;color:#355247!important;border:1px solid #dce5df!important}
.workspace-menu{padding:2px 16px;background:#fff;border-color:#e6ece8;gap:4px}.workspace-menu summary{font-size:12px;padding:8px 10px;color:#51685d}
.workspace-dropdown{border-radius:12px;padding:6px;box-shadow:0 12px 36px #183e301c}.workspace-dropdown button{padding:11px 12px;border-radius:7px}
.workflow{padding:8px 18px;gap:8px;background:#f8faf9;border-color:#e0e7e3}
.workflow button{font-family:inherit;font-size:12px;font-weight:500;padding:7px 10px;border-radius:8px;background:transparent;color:#6b7d73;transition:background .15s}
.workflow button span{width:22px;height:22px;font-size:11px;background:#e9eeeb}
.workflow button.active{background:#e5f1eb;color:#1c664b;font-weight:650;box-shadow:inset 0 0 0 1px #cde2d6}.workflow button.active span{background:#20745b;color:#fff}
#toolbar,#sidebar{background:#f8faf9!important;padding:14px 12px;scrollbar-width:thin;scrollbar-color:#cddbd3 transparent}
#toolbar{border-right:1px solid #e0e7e3}#sidebar{border-left:1px solid #e0e7e3}
.panel-card{background:#fff!important;border:1px solid #e2e9e5!important;border-radius:12px!important;box-shadow:0 2px 6px #173f3004!important;padding:14px!important}
.panel-title{font-size:12px!important;font-weight:650;color:#355247}.tool-section-title{font-size:11px;font-weight:650;color:#64786c}
.tool-btn{border-radius:8px!important;background:#fff!important;border-color:#e6ece8!important;color:#536a5e;box-shadow:none!important}.tool-btn:hover{background:#f0f6f2!important}.tool-btn.active{background:#e5f1eb!important;border-color:#a8cdb9!important;color:#1c664b}
#canvas-container{background:#f2f5f3!important}.canvas-mode-badge{background:#ffffffeb;box-shadow:0 2px 8px #193b2d08;border-radius:7px}
.canvas-controls{background:#ffffffed;border-radius:10px;padding:5px;box-shadow:0 4px 16px #193b2d0c}.canvas-controls .btn{border-radius:7px!important}
.panel-handle{background:#fff;border-color:#dce5df;color:#7a9285;width:22px;height:44px;box-shadow:0 2px 8px #173f3008;font-size:20px}
.zone-header{border:1px solid #e3eae6!important;border-radius:10px!important;padding:10px!important}.zone-header-title{font-size:12px!important}.zone-header-meta{color:#647b6d!important;font-size:11px!important}.zone-header-actions{padding-left:0}.zone-row{background:#fbfdfb!important}
.cloud-bar{height:54px;min-height:54px;box-sizing:border-box;background:#fff;color:#567062;border-top:1px solid #dce5df;box-shadow:0 -3px 16px #173f3005;padding:8px 18px;font-size:12px;gap:14px}
.cloud-bar a{color:#20745b;font-weight:650}.cloud-bar button{border-color:#dce5df;border-radius:8px;padding:7px 12px;font-size:12px}.cloud-bar button:last-child{background:#20745b;border-color:#20745b;color:white}.cloud-bar button:hover{filter:brightness(.97)}
.cloud-dialog{border-radius:16px;border-color:#e0e8e3;box-shadow:0 24px 80px #163a302b}.cloud-dialog h2{font-size:23px;letter-spacing:-.4px}.cloud-dialog::backdrop{background:#163a304d;backdrop-filter:blur(3px)}
@media(max-width:1050px){header{padding:9px 12px;gap:10px;min-height:60px}.workspace-menu{padding:2px 10px;gap:0}.workspace-menu summary{padding:8px;font-size:11px}.workflow{padding:7px 12px}.workflow button{font-size:11px;padding:6px}.cloud-bar{padding-inline:12px;gap:9px}}
@media(max-width:760px){#app{height:calc(100dvh - 88px)}.cloud-bar{height:88px;align-content:center;gap:6px 12px}.cloud-bar span{flex:1;min-width:60%}.cloud-bar button{padding:6px 10px}.workflow button{font-size:10px}.workspace-menu{gap:0}.workspace-menu summary{padding:7px 6px}.workspace-menu details:nth-last-of-type(-n+3) .workspace-dropdown{left:auto;right:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Application shell: dark identity bar, neutral inspector and focused canvas. */
.modal-backdrop{z-index:5000!important}
body:has(.modal-backdrop.active) .workspace-menu{pointer-events:none}
header{background:#163c32!important;color:#f5faf7;border:0;min-height:66px;padding:12px 20px}
.logo-text{color:#fff!important;font-size:16px;letter-spacing:-.5px}.logo-badge{color:#a9c7b8!important;font-size:8px}.logo-icon{background:#2b624f;border:1px solid #ffffff1c}
.project-title-container{background:#ffffff0d;border:1px solid #ffffff20!important;border-radius:8px;color:#9dc5b0}.project-title-input{color:#eef6f1!important;background:transparent!important;font-weight:500}
.header-actions .btn,#btn-open-bom{background:#ffffff0b!important;border:1px solid #ffffff26!important;color:#e6f2eb!important;border-radius:7px!important;font-size:11px}
#btn-undo{color:#c0d7ca!important}#btn-auto-sprinklers{background:#bde5cb!important;border-color:#bde5cb!important;color:#174231!important;font-weight:700}
.workspace-menu{min-height:38px;padding-inline:16px;box-shadow:0 1px 4px #152d2305}.workspace-menu summary{display:flex;align-items:center;gap:6px;font-weight:500;color:#50645c}
.workspace-menu summary svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.65;flex-shrink:0}.workspace-menu details[open]>summary{color:#177052;background:#eaf4ee}
.workflow{padding:0 18px;gap:16px;background:#fff;min-height:44px;align-items:stretch}.workflow button{flex:0 1 auto;padding:10px 12px;border-radius:0;background:transparent;border-bottom:2px solid transparent;box-shadow:none!important;font-size:12px}
.workflow button.active{background:transparent;color:#17674c;border-bottom-color:#258561}.workflow button span{width:20px;height:20px;margin-right:7px;font-size:10px}.workflow button.active span{background:#e4f2eb;color:#17674c}
#main-content{padding:10px;gap:10px;background:#eaf0ed}#toolbar,#sidebar{border:1px solid #dfe7e2!important;border-radius:12px;background:#fff!important;padding:16px 12px;gap:18px;box-shadow:0 2px 7px #15362804}
#toolbar{width:188px;min-width:188px}#sidebar{width:270px;min-width:270px}.tool-section-title{font-size:10px!important;text-transform:uppercase!important;letter-spacing:.8px!important;color:#819188;margin-bottom:10px}
.tool-grid{gap:6px}.tool-btn{min-height:54px;background:#f8faf9!important;border-color:transparent!important;font-size:11px!important;border-radius:9px!important}.tool-btn svg{width:20px;height:20px}.tool-btn.active{background:#e9f4ee!important;box-shadow:inset 0 0 0 1px #b6d8c5!important}.tool-btn:hover{background:#edf3ef!important}
.plan-appearance{background:#f8faf9!important;border:1px solid #e6ece8;border-radius:9px!important;font-size:11px}
#canvas-container{border:1px solid #dce5df;border-radius:12px;overflow:hidden;background-color:#f7f9f8!important;background-image:radial-gradient(#cbd8d0 .7px,transparent .7px)!important;background-size:18px 18px!important}
.canvas-mode-badge{font-size:10px;letter-spacing:.25px;color:#6d8075;border:0;background:#fffffff2}.panel-card{border:0!important;padding:12px!important;border-radius:10px!important;background:#f7faf8!important;box-shadow:none!important}.panel-title{font-size:12px!important;color:#334d3f}
.zone-header{box-shadow:0 2px 7px #203e3005!important}.zone-header-title{font-weight:650}.zone-header-actions .zone-btn-action{border-radius:6px!important}
.canvas-controls{left:50%;transform:translateX(-50%);bottom:36px;max-width:calc(100% - 48px);width:max-content;padding:7px;border-radius:12px;box-shadow:0 6px 22px #1b392916;border-color:#e0e8e2}.canvas-controls .btn{border:0;background:#f4f7f5;padding:7px 9px}.studio-canvas-hint{background:transparent;border:0;text-align:center;font-size:9px;color:#819087;padding:0;bottom:10px}
#statusbar{background:#eaf0ed;border:0;font-size:10px;color:#788c80;height:24px;min-height:24px}
.cloud-bar{border-top:1px solid #e0e7e3;height:52px;min-height:52px;padding:8px 20px;box-shadow:none}.cloud-bar a{font-size:12px}.cloud-bar span{color:#84948b;font-size:11px}.cloud-bar button{font-size:11px;border-radius:7px;background:#f8faf9}.cloud-bar button:last-child{background:#1e7252;padding-inline:20px}
#app{height:calc(100dvh - 52px)}
@media(max-width:1100px){#toolbar{width:164px;min-width:164px}#sidebar{width:238px;min-width:238px}header{padding:10px 12px;gap:10px}.workspace-menu{padding-inline:10px}.workspace-menu summary{font-size:11px;padding:8px 6px;gap:4px}.workspace-menu summary svg{width:12px;height:12px}.workflow{gap:6px;padding-inline:12px}.workflow button{font-size:11px;padding:9px}.canvas-mode-badge{display:none}}
@media(max-width:760px){#main-content{padding:6px;gap:0}#toolbar,#sidebar{width:220px;min-width:220px;top:6px;bottom:6px}#toolbar{left:6px}#sidebar{right:6px}body:not(.left-panel-hidden) .panel-handle-left{left:226px}body:not(.right-panel-hidden) .panel-handle-right{right:226px}.workspace-menu summary svg{display:none}.workflow{gap:0;padding:0 6px}.workflow button{flex:1;font-size:10px;padding:9px 3px}.cloud-bar{height:88px;min-height:88px;padding:8px 12px}#app{height:calc(100dvh - 88px)}.canvas-controls{padding:4px;gap:3px}.canvas-controls .btn{padding:6px}}

.studio-guide{display:flex;align-items:center;gap:16px;padding:10px 22px;background:#e9f5ee;border-bottom:1px solid #c8dfd0;color:#214c39;font:13px/1.5 system-ui;flex-shrink:0}.studio-guide span{flex:1}.studio-guide button{background:#20745b;color:white;border:0;border-radius:8px;padding:10px 15px;cursor:pointer;font:600 13px system-ui}.studio-guide button:disabled{opacity:.5;cursor:default}@media(max-width:800px){.studio-guide{padding:8px;flex-wrap:wrap}}