:root{--bg:#eceff3;--panel:#fff;--ink:#1c2530;--muted:#5f6b78;--line:#dde3e9;--line-soft:#eaeef2;--sel:#e7edf3;--focus:#3b7ea1;--warn:#b4552a;--ok:#2f7a55;--accent:#c2410c;--accent-hover:#a5370a;--radius:5px}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:14px/1.5 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.topbar{display:flex;align-items:center;gap:14px;padding:0 20px;height:52px;background:var(--panel);border-bottom:1px solid var(--line)}
.wordmark{font-weight:600;font-size:15px;letter-spacing:-.01em}
.grow{flex-grow:1}
.muted{color:var(--muted)}
.note{color:var(--muted);font-size:12.5px;background:#f6f8fa;padding:10px 12px;border-radius:6px;border:1px solid var(--line-soft)}
.error{color:#8a2f26}
main.connect{min-height:100vh;display:flex;flex-direction:column}
main.connect .card{max-width:760px;width:100%;margin:40px auto;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:30px 34px;display:flex;flex-direction:column;gap:16px}
h1{margin:0;font-size:24px;font-weight:600;letter-spacing:-.015em}
button{cursor:pointer;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;font-weight:500}
button.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600;height:44px;padding:0 22px}
button.primary:hover{background:var(--accent-hover)}
button.subtle{border-color:transparent;background:transparent;color:var(--muted)}
button.row{width:100%;text-align:left;height:auto;padding:12px 14px;border-radius:6px}
button.row:hover{background:var(--sel)}
ul.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
ol.plain{margin:0;padding-left:20px;columns:2;font-size:13px;color:#3d4852}
.actions{display:flex;gap:10px;flex-wrap:wrap}
#toasts{position:fixed;left:50%;top:14px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:50;max-width:min(560px,90vw);pointer-events:none}
.toast{background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px;font-size:13px;white-space:pre-wrap;box-shadow:0 8px 24px rgba(28,37,48,.25)}
pre{white-space:pre-wrap;font-size:12px;background:#f6f8fa;padding:12px;border-radius:6px}

/* ------------------------------------------------------------- shell */
#shell{display:flex;flex-direction:column;height:100vh}
#shell .body{flex-grow:1;display:flex;min-height:0}
.topbar .brand{display:flex;align-items:center;gap:10px}
.topbar .mark{width:26px;height:26px;border-radius:6px;background:var(--accent);display:inline-block}
.topbar .sheetname{font-weight:600;font-size:13.5px;border:0;background:transparent;height:34px;padding:0 8px}
.topbar .caret{color:var(--muted);margin-left:6px}
.topbar .avatar{width:34px;height:34px;border-radius:50%;background:var(--sel);border:0;font-weight:600;padding:0}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:5px;overflow:hidden;height:32px}
.seg button{height:100%;border:0;border-radius:0;background:#fff;padding:0 12px;font-weight:500;font-size:12.5px}
.seg button+button{border-left:1px solid var(--line)}
.seg button.on{background:var(--ink);color:#fff;font-weight:600}
.seg.small{height:28px}.seg.small button{font-size:12px;padding:0 10px}
.pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:14px;font-size:12px;font-weight:500;background:#f2f4f7;color:#3d4852}
.pill.green{background:#eff6f2;color:#1d5c3a}.pill.amber{background:#fff7ed;color:#7a3a10}
.pill.green::before,.pill.amber::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.7}
.repairbar{display:flex;gap:12px;align-items:center;padding:8px 18px;background:#fff7ed;border-bottom:1px solid #f7cdbf;color:#7a3a10;font-size:12.5px}
.standing{display:flex;align-items:center;gap:10px;padding:8px 18px;background:#fff7ed;border-bottom:1px solid #f7cdbf;color:#7a3a10;font-size:12.5px}
button.link{background:transparent;border:0;color:var(--accent);font-weight:500;padding:0;height:auto}
button.link.b{color:var(--ink);font-weight:600}
button.icon{width:32px;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center}
button.small{height:28px;padding:0 9px;font-size:12px;background:#f6f8fa}
button.small.on{background:var(--ink);color:#fff;border-color:var(--ink)}
button.danger{color:#8a2f26}
select.small{height:28px;padding:0 8px;border:1px solid var(--line);border-radius:4px;background:#f6f8fa;font-size:12px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.row.between{justify-content:space-between}.row.foot{font-size:11.5px;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
h2.small{font-size:12.5px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0}
/* rail */
.rail{flex:0 0 236px;min-width:0;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column}
.rail.collapsed{flex:0 0 44px;align-items:center;padding:10px 0;gap:14px}
.rail .vert{writing-mode:vertical-rl;transform:rotate(180deg);font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.04em;white-space:nowrap}
.rail-head{padding:12px 12px 8px;display:grid;grid-template-columns:1fr auto;gap:6px 6px;border-bottom:1px solid var(--line-soft)}
.rail-head input{height:32px;padding:0 10px;border:1px solid var(--line);border-radius:5px;font-size:13px;min-width:0}
.rail-head.row{display:flex}
.rail-sort{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--muted)}
.rail-sort select{height:26px;padding:0 6px;border:1px solid var(--line);border-radius:4px;font-size:12px;background:#fff}
.rail-sel{display:flex;justify-content:space-between;padding:8px 12px;background:var(--sel);border-bottom:1px solid var(--line);font-size:12px;font-weight:600}
.rail-list{list-style:none;margin:0;padding:6px;overflow-y:auto;display:flex;flex-direction:column;gap:2px;flex-grow:1}
.rail-list li{display:flex;align-items:flex-start;gap:4px}
.rail-list li input[type=checkbox]{margin:12px 0 0 4px;flex-shrink:0}
.rail-row{flex-grow:1;min-width:0;text-align:left;height:auto;padding:9px 10px;border:0;border-radius:5px;background:transparent;display:flex;flex-direction:column;gap:3px}
.rail-row:hover{background:#f6f8fa}.rail-row.on{background:var(--sel)}
.rail-row .t{font-weight:500;font-size:12.5px;line-height:1.35}.rail-row.on .t{font-weight:600}.rail-row .m{font-size:11px;color:var(--muted)}
.rail-foot{padding:10px 12px;border-top:1px solid var(--line-soft)}.rail-foot button{width:100%}
.empty{padding:24px 16px;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center;color:var(--muted)}
.chip-status{display:inline-block;padding:1px 7px;border-radius:10px;font-weight:600;font-size:11px}.chip-status.fix{background:#fdf0e8;color:#8a3b14}.chip-status.look{background:#f2f4f7;color:#3d4852}.chip-status.ready{background:#eff6f2;color:#1d5c3a}
/* editor */
.editor{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;background:var(--panel);border-right:1px solid var(--line)}
.editor.empty-state{align-items:center;justify-content:center}
.editor-top{padding:12px 20px 0;display:flex;flex-direction:column;gap:8px}
.editor-top .title{font-size:20px;font-weight:600;letter-spacing:-.01em;border:0;border-bottom:1px solid var(--line-soft);padding:2px 0 10px;width:100%;background:transparent}
.toolbar{display:flex;align-items:center;gap:4px;flex-wrap:wrap;padding-bottom:8px;border-bottom:1px solid var(--line-soft)}
.toolbar .tb-label{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:0 6px}
.toolbar .hint{font-size:11.5px;color:var(--muted)}
.editor-main{flex-grow:1;display:flex;min-height:0}
.side{flex:0 0 196px;border-right:1px solid var(--line-soft);display:flex;flex-direction:column;min-height:0}
.side .tabs{display:flex;border-bottom:1px solid var(--line-soft)}
.side .tabs button{flex:1;height:36px;border:0;border-radius:0;background:transparent;border-bottom:2px solid transparent;font-weight:500;color:var(--muted)}
.side .tabs button.on{border-bottom-color:var(--ink);color:var(--ink);font-weight:600}
.side-list{padding:8px 6px;overflow-y:auto;display:flex;flex-direction:column;gap:2px;font-size:12px}
.side-list input[type=search]{height:30px;padding:0 10px;border:1px solid var(--line);border-radius:4px;font-size:12px;margin:2px 4px 8px}
.side-list button.block,.side-list button.struct{display:flex;align-items:center;gap:8px;width:100%;height:auto;padding:6px;border:0;background:transparent;text-align:left;border-radius:4px;font-weight:500;color:var(--ink)}
.side-list button.block:hover,.side-list button.struct:hover{background:#f6f8fa}
.side-list .chip{width:14px;height:14px;border-radius:3px;flex-shrink:0;display:inline-block}
.side-list button.struct .tag{font-size:10px;font-weight:700;color:var(--muted);width:16px;flex-shrink:0}
.side-list button.struct.h3,.side-list button.struct.h4{padding-left:14px}.side-list button.struct.blk::before{content:"";width:12px;height:12px;border-radius:3px;background:#c2410c}.side-list button.struct.raw::before{content:"";width:12px;height:12px;border-radius:3px;background:#8a94a0}
.side-list p.hint{font-size:11px;color:var(--muted);margin:6px}
.doc-host{flex-grow:1;min-width:0;overflow-y:auto;padding:20px 40px 32px;display:flex;justify-content:center}
.gs-editor-host{width:100%;max-width:760px;border:0;padding:0;max-height:none;overflow:visible;min-height:60vh}
textarea.source{width:100%;max-width:900px;min-height:60vh;font:12.5px/1.65 ui-monospace,Menlo,Consolas,monospace;border:1px solid var(--line-soft);border-radius:6px;padding:14px;resize:vertical}
/* change bar */
.changebar{border-top:1px solid var(--line);padding:10px 20px;background:#fff;display:flex;flex-direction:column;gap:8px}
.changebar .chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{height:26px;padding:0 10px;background:#fff;border:1px solid var(--line);border-radius:13px;font-size:11.5px}
.changebar input[type=text]{flex-grow:1;min-width:0;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:5px;font-size:13px}
.changebar .diff,.changebar .bulk{border:1px solid var(--line);border-radius:6px;background:#f6f8fa;padding:10px 12px;display:flex;flex-direction:column;gap:6px;font-size:12px}
.diff-grid{display:grid;grid-template-columns:140px minmax(0,1fr);gap:4px 12px}.diff-grid .col{color:var(--muted);font-weight:600}.diff-grid s{color:#8a94a0}
.bulk-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px}
.bulk-list li i{display:inline-block;width:12px;height:12px;border-radius:50%;border:1.5px solid #c9ced5;margin-right:8px;vertical-align:-1px}
.bulk-list li.done i,.bulk-list li.same i{background:var(--ok);border-color:var(--ok)}.bulk-list li.running i{border-color:var(--focus);border-top-color:transparent}.bulk-list li.failed i{background:#c62828;border-color:#c62828}
/* fields */
.fields{border-top:1px solid var(--line);background:#f6f8fa}
.fields-strip{display:flex;align-items:center;gap:14px;padding:8px 20px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.fields-strip strong{color:var(--ink);font-weight:500}
.fields-strip .imgchip img{width:28px;height:20px;object-fit:cover;border-radius:3px;vertical-align:middle;margin:0 6px}
.fields-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px 14px;padding:4px 20px 14px;max-height:34vh;overflow:auto}
.field label{display:flex;justify-content:space-between;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;height:32px;padding:0 8px;border:1px solid var(--line);border-radius:4px;background:#fff;font-size:13px}
.field textarea{height:auto;padding:6px 8px;resize:vertical}
.count{font-weight:400;text-transform:none;letter-spacing:0}.count.over{color:#c62828;font-weight:600}.count.good{color:var(--ok)}
/* preview */
.preview{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;background:#eceff3}
.pane-head{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);background:#fff}
.preview-body{flex-grow:1;display:flex;justify-content:center;align-items:flex-start;padding:16px;overflow:auto}
.preview-body iframe{width:100%;height:100%;border:0;background:#fff;border-radius:6px}
.preview-body.phone iframe{width:375px;border:1px solid #c9ced5;border-radius:26px}
/* drafts review */
.review{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;background:#fff;border-right:1px solid var(--line)}
.review-head{padding:18px 22px 14px;border-bottom:1px solid var(--line-soft)}.review-head h1{font-size:19px}
.review-body{padding:16px 22px;display:flex;flex-direction:column;gap:12px;overflow-y:auto;flex-grow:1}
.review-foot{border-top:1px solid var(--line);padding:14px 22px;background:#f6f8fa;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
ul.issues{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
ul.issues li{display:flex;gap:12px;padding:12px 14px;border:1px solid var(--line-soft);border-left:3px solid #b4552a;border-radius:5px;background:#fbfbfc;font-size:13px}
ul.issues li.stop{border-color:#f1cdcd;border-left-color:#c62828;background:#fdf7f7}
ul.issues li i{width:20px;height:20px;border-radius:50%;background:#f2f4f7;color:var(--muted);font-weight:700;font-style:normal;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
ul.issues li.stop i{background:#c62828;color:#fff}
ul.issues li b{display:block}ul.issues li span{color:#3d4852;font-size:12.5px}
/* modals + settings */
.modal{position:fixed;inset:0;background:rgba(28,37,48,.42);display:flex;align-items:center;justify-content:center;padding:24px;z-index:40}
.modal-card{width:100%;max-width:580px;max-height:90vh;overflow:auto;background:#fff;border-radius:10px;box-shadow:0 24px 60px rgba(28,37,48,.28);padding:24px 28px;display:flex;flex-direction:column;gap:14px}
.modal-card h2{margin:0;font-size:20px}
.modal.settings .settings-card{width:100%;max-width:980px;height:90vh;background:#fff;border-radius:10px;display:flex;flex-direction:column;overflow:hidden}
.settings-head{display:flex;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}.settings-head h1{font-size:18px}
.settings-body{display:flex;flex-grow:1;min-height:0}
.settings-nav{flex:0 0 220px;border-right:1px solid var(--line);padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.settings-nav button{text-align:left;height:auto;padding:9px 12px;border:0;background:transparent;border-radius:5px}.settings-nav button.on{background:var(--sel);font-weight:600}
.settings-main{flex-grow:1;overflow-y:auto;padding:24px 28px;display:flex;flex-direction:column;gap:14px}
.settings-main h2{font-size:20px;margin:0}.settings-main h3{font-size:13px;margin:8px 0 0}
.sfield{display:flex;flex-direction:column;gap:6px}.sfield label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.sfield input,.sfield select,.sfield textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:5px;font-size:13.5px;background:#fff}
.sfield p.hint,p.hint{font-size:12px;color:var(--muted);margin:0}
textarea.code,pre.code{font:12px ui-monospace,Menlo,Consolas,monospace;background:#f6f8fa;width:100%;border:1px solid var(--line);border-radius:5px;padding:10px}
.repairs{background:#fff7ed;border:1px solid #f7cdbf;border-radius:6px;padding:12px 14px}.repair{margin-top:8px}.repair p{margin:2px 0 6px;font-size:12.5px}
.block-edit{border:1px solid var(--line-soft);border-radius:6px;padding:8px 12px}.block-edit summary{cursor:pointer}
ol.steps{list-style:none;margin:0 auto;padding:0;display:flex;gap:24px;flex-wrap:wrap;max-width:760px;width:100%;font-size:13px;color:var(--muted)}
ol.steps li{display:flex;align-items:center;gap:8px}ol.steps li.done{color:var(--ok)}ol.steps li.now{color:var(--ink);font-weight:600}
ol.steps .dot{width:22px;height:22px;border-radius:50%;border:1.5px solid #c9ced5;display:inline-flex;align-items:center;justify-content:center;font-size:11.5px}
ol.steps li.done .dot{background:var(--ok);border-color:var(--ok);color:#fff}ol.steps li.now .dot{background:var(--ink);border-color:var(--ink);color:#fff}
table.mapping{border-collapse:collapse;width:100%;max-width:640px;font-size:14px}
table.mapping th{text-align:left;padding:8px 12px;border-bottom:2px solid var(--line);color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em}
table.mapping td{padding:10px 12px;border-bottom:1px solid var(--line-soft)}table.mapping td.desc{color:#3d4852}table.mapping td.val{font-weight:600}
table.mapping .tick{color:var(--ok);margin-right:8px}table.mapping .cross{color:var(--muted);margin-right:8px}table.mapping .missing{color:var(--muted);font-weight:500}
table.mapping select{height:34px;padding:0 8px;border:1px solid var(--line);border-radius:4px;background:#fff}
ol.plain-list,ul.plain-list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px;font-size:13.5px}
.modal-card.write .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:900px){.side{display:none}.preview{display:none}.rail{flex-basis:200px}}