:root{color-scheme:dark;--text:#d9eae9;--muted:#86a6ad;--mint:#a1ddbf;--gold:#d4be83;--edge:#29434b;font:13px/1.5 'Segoe UI',system-ui,sans-serif;color:var(--text);background:#09171e}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;color:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;background:#182f37;border:1px solid #3b5862;padding:7px 10px;border-radius:4px;transition:background .16s,border-color .16s}button:not(:disabled):hover{background:#26434b;border-color:#85b6b0}button:disabled{opacity:.43;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,[role=tabpanel]:focus-visible{outline:2px solid var(--mint);outline-offset:3px}button.primary{background:#284b3d;border-color:#729f87;color:#e2f4d9}button[aria-pressed=true]{border-color:#82b8a5;background:#294b43;color:#ddf9e9}a{color:var(--mint);text-decoration:none}a:hover{text-decoration:underline}input,select{background:#0c1d24;border:1px solid #3a555e;border-radius:4px;padding:8px;max-width:100%;min-width:0}h1,h2,p{margin:0}[hidden]{display:none!important}
.workspace{display:grid;grid-template-rows:44px minmax(0,1fr) 26px;min-height:420px;height:100dvh;overflow:hidden}
.appbar{display:flex;align-items:center;gap:16px;padding:0 12px;border-bottom:1px solid var(--edge);background:#0b1b22;z-index:5;min-width:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.appbar::-webkit-scrollbar{display:none}
.brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:650;letter-spacing:.9px;white-space:nowrap;color:var(--text);flex:none}.brand:hover{text-decoration:none}.brand-mark{width:27px;height:27px;display:grid;place-content:center;border:1px solid #6b958b;border-radius:8px 2px 8px 2px;background:#16362f;color:var(--mint);font-size:17px}
.stage-nav{display:flex;gap:3px;height:100%;align-items:center;flex:none}.stage-nav button{background:transparent;border-color:transparent;min-height:30px;padding:5px 10px;color:#abc1c6;white-space:nowrap;font-size:12px}.stage-nav button small{color:#688c94;padding-right:4px}.stage-nav button[aria-current=page]{background:#203a3c;border-color:#496d66;color:#e5f3e9;box-shadow:inset 0 -2px #9ed2b1}.stage-nav button[aria-current=page] small{color:var(--mint)}
.header-end{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}.connection{font-size:11px;color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:6px}.connection i,.session-dot{width:6px;height:6px;border-radius:50%;background:#75929a;display:inline-block;flex:none}.connection.connected i,.operator-identity.connected .session-dot{background:var(--mint);box-shadow:0 0 8px #8dd9ad44}.operation-mode .header-end{display:none}
.stage-area{display:flex;flex-direction:column;min-height:0;overflow:hidden;background:#0b1b23}.stage-heading{padding:30px 32px 23px;flex:none;border-bottom:1px solid #233d45}.eyebrow{display:block;font-size:9px;letter-spacing:1.4px;color:#81aaa8;margin-bottom:5px}.stage-heading h1{font-size:25px;font-weight:450;letter-spacing:-.4px}
.stage-tabs{display:flex;align-items:center;gap:5px;padding:12px 26px;border-bottom:1px solid #29434b;background:#10232b;flex:none;overflow-x:auto}.stage-tabs button{padding:8px 12px;font-size:12px;border-color:transparent;background:transparent;white-space:nowrap;color:#92adb4}.stage-tabs button[aria-selected=true]{color:#daf1e4;background:#25453f;border-color:#527d69}.stage-panel{flex:1;min-height:0;overflow:auto;background:#0b1b23;outline-offset:-4px!important}
.operator-area{display:flex;flex-direction:column;min-height:0;overflow:hidden}.operator-context{display:flex;align-items:center;gap:14px;flex:1;min-width:max-content;margin-left:auto;font-size:11px}.operator-context>div{display:flex;align-items:center;gap:6px;white-space:nowrap}.operator-context button{min-height:26px;font-size:11px;padding:3px 8px}.operator-tools{margin-left:auto}.operator-context span{color:var(--muted)}#liveStep{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:10px;margin-right:4px}.operation-view-switch button[aria-pressed=true]{color:var(--mint);border-color:#769f8f;background:#274439}
.operator-separate{display:grid;place-items:center;min-width:26px;min-height:26px;border:1px solid #36535b;border-radius:4px;font-size:16px;line-height:1}.operator-separate:hover{background:#26434b;text-decoration:none}
.frame-wrap{position:relative;flex:1;min-height:0;background:#08151c}.frame-wrap iframe{width:100%;height:100%;display:block;border:0;background:#08151c}.operator-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#0a1a22;color:#a9c9c8}.operator-loading strong{font-weight:500;font-size:15px}.loading-ring{width:34px;height:34px;border:2px solid #304c51;border-top-color:var(--mint);border-radius:50%;animation:spin 1s linear infinite}
#operationTimeline{flex:1;min-height:0;overflow:auto;background:#091a22}
.app-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 14px;border-top:1px solid #2b434b;font-size:10px;color:#88a7b0;background:#09171d;min-width:0}.app-footer>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.operator-identity{display:flex;align-items:center;gap:6px;min-width:0;margin-left:auto}#operatorContext{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.workspace.operation-mode.focus-mode{grid-template-rows:36px minmax(0,1fr) 0;min-height:0}.operation-mode.focus-mode>.appbar{display:flex;visibility:visible}.operation-mode.focus-mode .brand,.operation-mode.focus-mode .stage-nav,.operation-mode.focus-mode>.app-footer{display:none}
#notice{position:fixed;bottom:40px;left:50%;transform:translateX(-50%);z-index:30;max-width:min(540px,calc(100vw - 28px));padding:10px 16px;border:1px solid #6a9c86;background:#244236;box-shadow:0 8px 36px #0006;color:#def0dc;font-size:12px;border-radius:5px}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1100px){.appbar{gap:9px}.stage-nav button{padding-inline:6px}.stage-nav button small{display:none}.operator-context{gap:8px}.operator-context>div{gap:4px}}
@media(max-width:850px){.appbar{padding:0 8px;gap:8px}.brand>span:last-child{display:none}.stage-nav button{padding:4px 6px;min-height:28px}.stage-heading{padding:24px 20px 19px}.stage-tabs{padding:10px 14px}.app-footer{padding-inline:8px;gap:8px}.app-footer #footerStatus{display:none}}
@media(max-width:480px){.stage-tabs{gap:1px;padding-inline:8px}.stage-tabs button{font-size:11px;padding:8px}.stage-heading{padding:21px 16px 17px}.stage-heading h1{font-size:22px}.app-footer #footerOperator{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}