:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dfe2e7;
  --text: #1c2230;
  --muted: #6b7385;
  --accent: #2563eb;
  --accent-soft: #e8efff;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  --olt: #1e3a8a;
  --splitter: #ca8a04;
  --ont: #15803d;
  --feeder: #2563eb;
  --distribution: #c026d3;
  --drop: #ea580c;
  --ethernet: #64748b;
  --fiberlink: #0d9488;
  --wireless: #0369a1;
  --switch: #475569;
  --handoff: #b91c1c;
  --router: #0f766e;
  --lancache: #be185d;
  --server: #374151;
  --host: #6d28d9;
  --sel: #f43f5e;
  --canvas: #e9ebef;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  color: var(--text);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }

button {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 6px;
  padding: 5px 11px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover { border-color: #b9bfca; background: #fafbfc; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: #1d4fd8; }
button.ghost { border-color: transparent; background: transparent; color: var(--muted); }
button.ghost:hover { color: var(--text); background: #eef0f3; }
button.danger { color: var(--danger); border-color: #f3c4c4; }
button.danger:hover { background: #fdf0f0; }
button.icon { padding: 3px 9px; font-size: 16px; }
button:disabled { opacity: .45; cursor: default; }

input[type=text], input[type=number], input[type=password], select, textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  background: #fff;
  width: 100%;
  min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { resize: vertical; }

.muted { color: var(--muted); }
.small, small { font-size: 12px; }
.spacer { flex: 1; }

/* ---------- top bar ---------- */
#topbar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 7px; font-weight: 650; margin-right: 8px; }
#projectSelect { width: 230px; }
.sep { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }
#saveStatus { color: var(--muted); font-size: 12px; margin-right: 6px; }
#saveStatus.error { color: var(--danger); font-weight: 600; }

/* ---------- layout ---------- */
main {
  display: grid;
  grid-template-columns: 56px 1fr 340px;
  height: calc(100% - 48px);
}

#toolbar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  gap: 4px;
}
#toolbar hr { width: 30px; border: 0; border-top: 1px solid var(--border); margin: 4px 0; }
#toolbar button {
  width: 42px; height: 42px; padding: 0;
  position: relative;
  border-color: transparent;
  display: grid; place-items: center;
}
#toolbar button svg { width: 22px; height: 22px; }
#toolbar button kbd {
  position: absolute; right: 3px; bottom: 1px;
  font: 600 9px system-ui; color: var(--muted);
}
#toolbar button.active { background: var(--accent-soft); border-color: #bcd0ff; color: var(--accent); }

#canvasWrap { position: relative; overflow: hidden; background: var(--canvas); }
#canvas { width: 100%; height: 100%; display: block; user-select: none; touch-action: none; }
#canvasWrap[data-tool=select] #canvas { cursor: default; }
#canvasWrap[data-tool=pan] #canvas, #canvasWrap.panning #canvas { cursor: grab; }
#canvasWrap[data-tool=olt] #canvas, #canvasWrap[data-tool=splitter] #canvas, #canvasWrap[data-tool=ont] #canvas,
#canvasWrap[data-tool=cable] #canvas, #canvasWrap[data-tool=measure] #canvas, #canvasWrap[data-tool=calibrate] #canvas { cursor: crosshair; }
#canvasWrap.dragover::after {
  content: "Drop image to use as background";
  position: absolute; inset: 12px;
  border: 3px dashed var(--accent); border-radius: 12px;
  background: rgba(37, 99, 235, .08);
  display: grid; place-items: center; font-size: 18px; color: var(--accent);
  pointer-events: none;
}

#hint {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(28, 34, 48, .85); color: #fff;
  padding: 5px 12px; border-radius: 6px; font-size: 12px;
  pointer-events: none; max-width: 90%; text-align: center;
}
#scaleBar {
  position: absolute; left: 12px; bottom: 12px;
  background: rgba(255, 255, 255, .9); padding: 4px 8px 3px; border-radius: 5px;
  font-size: 11px; pointer-events: none;
}
#scaleBar .bar { height: 6px; border: 2px solid var(--text); border-top: 0; margin-bottom: 2px; }
#legend {
  position: absolute; right: 12px; bottom: 12px;
  display: flex; gap: 12px; align-items: center;
  background: rgba(255, 255, 255, .9); padding: 4px 10px; border-radius: 5px;
  font-size: 11px; pointer-events: none;
}
#legend { flex-wrap: wrap; justify-content: flex-end; max-width: calc(100% - 200px); }
#legendItems { display: contents; }
#legend button { pointer-events: auto; padding: 1px 8px; font-size: 11px; }
i.ln { display: inline-block; width: 18px; height: 3px; vertical-align: middle; margin-right: 4px; border-radius: 2px; }
.sheet-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; margin-top: 8px; }
.ln.feeder { background: var(--feeder); }
.ln.distribution { background: var(--distribution); }
.ln.drop { background: var(--drop); }
.ln.copper { background: repeating-linear-gradient(90deg, var(--ethernet) 0 6px, transparent 6px 9px); }
.ln.fiberlink { background: var(--fiberlink); }
.ln.wireless { background: repeating-linear-gradient(90deg, var(--wireless) 0 2px, transparent 2px 5px, var(--wireless) 5px 11px, transparent 11px 14px); }
.ln.dotted { height: 4px; background: radial-gradient(circle, #1c2230 1.5px, transparent 2px) 0 0 / 6px 4px; }
#zoomInfo { color: var(--muted); }

#emptyState { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
#emptyState[hidden] { display: none; }
#emptyState .card {
  pointer-events: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px 28px; max-width: 400px; text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
}
#emptyState h2 { margin: 0 0 8px; font-size: 18px; }
#emptyState p { margin: 0 0 14px; color: var(--muted); }
#emptyState p.small { margin: 12px 0 0; }

/* ---------- SVG scene ---------- */
#canvas .bg, .sheet-map .bg { pointer-events: none; }
#canvas .grid { pointer-events: none; }
.grid-minor { fill: none; stroke: rgba(30, 58, 138, .13); stroke-width: 1; }
.grid-major { fill: none; stroke: rgba(30, 58, 138, .3); stroke-width: 1; }
.cable .line { fill: none; stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.cable .hit { fill: none; stroke: transparent; stroke-width: 14; cursor: pointer; pointer-events: stroke; }
.cable.feeder .line { stroke: var(--feeder); stroke-width: 4; }
.cable.distribution .line { stroke: var(--distribution); }
.cable.drop .line { stroke: var(--drop); stroke-width: 2.5; }
.cable.copper .line { stroke: var(--ethernet); stroke-width: 2; stroke-dasharray: 9 4; }
.cable.fiberlink .line { stroke: var(--fiberlink); stroke-width: 3; }
.cable.wireless .line { stroke: var(--wireless); stroke-width: 2; stroke-dasharray: 2 4 10 4; }
.cable.direct .line { stroke-width: 3; stroke-dasharray: 0.1 6; stroke-linecap: round; }
.cable.error .line { stroke-dasharray: 6 4; }
.reach { fill: rgba(71, 85, 105, .04); stroke: var(--switch); stroke-width: 1.2; stroke-dasharray: 5 4; pointer-events: none; }
.reach-lbl {
  font: 600 10px system-ui; text-anchor: middle; fill: var(--switch); pointer-events: none;
  paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round;
}
.cable.sel .line { stroke-width: 5; filter: drop-shadow(0 0 3px var(--sel)); }
.clabel {
  font: 600 11px system-ui; text-anchor: middle; fill: #1c2230;
  paint-order: stroke; stroke: #fff; stroke-width: 3.5px; stroke-linejoin: round;
  cursor: pointer;
}
.wp { fill: #fff; stroke: var(--sel); stroke-width: 2; cursor: move; }

.dev { cursor: pointer; }
.dev .body { stroke: #fff; stroke-width: 1.5; }
.dev.olt .body { fill: var(--olt); }
.dev.splitter .body { fill: var(--splitter); }
.dev.ont .body { fill: var(--ont); }
.dev.switch .body { fill: var(--switch); }
.dev.handoff .body, .mini.handoff { fill: var(--handoff); }
.dev.router .body, .mini.router { fill: var(--router); }
.dev.lancache .body, .mini.lancache { fill: var(--lancache); }
.dev.server .body, .mini.server { fill: var(--server); }
.dev.host .body, .mini.host { fill: var(--host); }
.dev.ptp .body, .dev.ptmp_ap .body, .dev.ptmp_cpe .body,
.mini.ptp, .mini.ptmp_ap, .mini.ptmp_cpe { fill: var(--wireless); }
.dev.lancache .glyph { font-size: 8px; }
.dev .ring { fill: none; stroke: none; }
.dev.sel .ring { stroke: var(--sel); stroke-width: 2.5; fill: rgba(244, 63, 94, .08); }
.dev.src .ring { stroke: var(--accent); stroke-width: 2.5; stroke-dasharray: 4 3; }
.dev.error .body { stroke: var(--danger); stroke-width: 3; }
.dev.warn .body { stroke: var(--warn); stroke-width: 2.5; }
.dev .glyph { font: 700 9px system-ui; fill: #fff; text-anchor: middle; pointer-events: none; }
.dev.ont .glyph { font-size: 7px; }
.cluster { cursor: pointer; }
.cluster .pill { fill: #fff; stroke: var(--switch); stroke-width: 1.5; filter: drop-shadow(0 1px 2px rgba(0, 0, 0, .25)); }
.cluster.error .pill { stroke: var(--danger); stroke-width: 2.5; }
.cluster.warn .pill { stroke: var(--warn); stroke-width: 2.2; }
.mini.olt { fill: var(--olt); }
.mini.splitter { fill: var(--splitter); }
.mini.ont { fill: var(--ont); }
.mini.switch { fill: var(--switch); }
.cluster .more { font: 700 9px system-ui; fill: var(--muted); text-anchor: middle; }
.cluster .count { fill: #1c2230; stroke: #fff; stroke-width: 1.5; }
.cluster .count-t { font: 700 9px system-ui; fill: #fff; text-anchor: middle; pointer-events: none; }
.dev .lbl, .cluster .lbl {
  font: 600 11px system-ui; text-anchor: middle; fill: #1c2230;
  paint-order: stroke; stroke: #fff; stroke-width: 3.5px; stroke-linejoin: round;
  pointer-events: none;
}

.draft, .measure, .calib { fill: none; pointer-events: none; stroke-width: 2.5; stroke-linejoin: round; }
.draft { stroke: var(--accent); stroke-dasharray: 7 5; }
.measure { stroke: #0f766e; stroke-dasharray: 2 4; stroke-linecap: round; stroke-width: 3; }
.calib { stroke: var(--sel); }
.opt { pointer-events: none; stroke: #fff; stroke-width: 1.5; }
.opt.draft-pt { fill: var(--accent); }
.opt.measure-pt { fill: #0f766e; }
.opt.calib-pt { fill: var(--sel); }
.olabel {
  font: 700 12px system-ui; fill: #1c2230; pointer-events: none;
  paint-order: stroke; stroke: #fff; stroke-width: 4px; stroke-linejoin: round;
}

/* ---------- sidebar ---------- */
#sidebar {
  background: var(--panel);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  min-height: 0;
}
.tabs { display: flex; border-bottom: 1px solid var(--border); }
.tabs button {
  flex: 1; border: 0; border-radius: 0; padding: 10px 6px;
  border-bottom: 2px solid transparent; color: var(--muted); font-weight: 550;
}
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); background: transparent; }
#verDot { color: var(--warn); font-size: 10px; }
.badge {
  display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--danger); color: #fff; font-size: 11px; line-height: 18px;
}
.badge.warn { background: var(--warn); }
.badge[hidden] { display: none; }
.tab { display: none; overflow-y: auto; padding: 4px 16px 24px; flex: 1; }
.tab.active { display: block; }
.tab h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  margin: 18px 0 8px; padding-top: 12px; border-top: 1px solid var(--border);
}
.tab h3:first-child { border-top: 0; padding-top: 4px; }
.tab h2 { font-size: 17px; margin: 14px 0 4px; display: flex; align-items: center; gap: 8px; }
.type-chip { font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 10px; color: #fff; }
.type-chip.olt { background: var(--olt); }
.type-chip.splitter { background: var(--splitter); }
.type-chip.ont { background: var(--ont); }
.type-chip.feeder { background: var(--feeder); }
.type-chip.distribution { background: var(--distribution); }
.type-chip.drop { background: var(--drop); }
.type-chip.copper, .type-chip.switch { background: var(--switch); }
.type-chip.fiberlink { background: var(--fiberlink); }
.type-chip.wireless, .type-chip.ptp, .type-chip.ptmp_ap, .type-chip.ptmp_cpe { background: var(--wireless); }
.type-chip.handoff { background: var(--handoff); }
.type-chip.router { background: var(--router); }
.type-chip.lancache { background: var(--lancache); }
.type-chip.server { background: var(--server); }
.type-chip.host { background: var(--host); }

/* device palette */
#palette {
  position: fixed; left: 60px; top: 56px; z-index: 30;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .15); padding: 8px 10px;
  display: grid; grid-template-columns: repeat(3, 190px); gap: 4px 14px;
}
#palette[hidden] { display: none; }
.pal-group h4 { margin: 6px 4px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.pal-group button {
  display: flex; align-items: center; gap: 8px; width: 100%; border-color: transparent;
  padding: 3px 6px; text-align: left; position: relative;
}
.pal-group button span { flex: 1; }
.pal-group button kbd { font: 600 10px system-ui; color: var(--muted); }
.pal-group button.active { background: var(--accent-soft); border-color: #bcd0ff; }
#btnMore.open { background: var(--accent-soft); }

/* cost chip */
.cost-chip { font-variant-numeric: tabular-nums; font-weight: 600; border-color: #bbf7d0; background: #f0fdf4; color: #166534; }
.cost-chip.partial { border-color: #fde68a; background: #fffbeb; color: #92400e; }
.cost-chip.over { border-color: #fecaca; background: #fef2f2; color: var(--danger); }

/* budget */
.budget-grid { display: grid; grid-template-columns: minmax(260px, 380px) 1fr; gap: 32px; align-items: start; }
.budget-grid .kv { font-size: 14px; }
.budget-inputs { display: grid; grid-template-columns: repeat(3, minmax(120px, 180px)); gap: 0 14px; }
.sheet table.bom input { padding: 2px 6px; }
.sheet table.bom input.price { width: 100px; text-align: right; }
.sheet table.bom input.qty-in { width: 64px; text-align: right; }
.sheet table.bom td.qty { font-weight: 700; font-size: 14px; }
.sheet table.bom td.notes { color: var(--muted); font-size: 11.5px; max-width: 320px; }
.sheet table.bom tr.cat td { background: #eef1f6; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.sheet table.bom tr.sum td { font-weight: 600; border-bottom: 0; }
.sheet table.bom tr.sum.total td { font-size: 15px; font-weight: 800; border-top: 2px solid var(--text); }
#tab-props .price { text-align: right; }

.field { display: block; margin: 0 0 10px; }
.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.field small { display: block; color: var(--muted); margin-top: 3px; }
.inline { display: flex; align-items: center; gap: 6px; }
.inline em { font-style: normal; color: var(--muted); font-size: 12px; min-width: 22px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.grid5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0 6px; }
.row { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 10px; }
.check { display: flex; gap: 8px; align-items: center; margin: 4px 0 10px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 4px 0 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.kv dd.total { font-weight: 700; }
.good { color: var(--ok); font-weight: 600; }
.warn { color: var(--warn); font-weight: 600; }
.bad { color: var(--danger); font-weight: 600; }

table.mini { width: 100%; border-collapse: collapse; font-size: 12px; margin-bottom: 10px; }
table.mini td, table.mini th { padding: 4px 4px; border-bottom: 1px solid #eef0f3; text-align: left; }
table.mini th { color: var(--muted); font-weight: 550; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.shortcuts { display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; font-size: 12px; color: var(--muted); }
.shortcuts kbd {
  font: 600 11px system-ui; color: var(--text);
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px;
  justify-self: start;
}

.calib-box { background: #fff5f6; border: 1px solid #fecdd3; border-radius: 8px; padding: 12px; margin-top: 14px; }

/* versions */
.ver-new { padding: 14px 0; border-bottom: 1px solid var(--border); display: grid; gap: 8px; }
.ver { padding: 12px 0; border-bottom: 1px solid #eef0f3; }
.ver-head { display: flex; gap: 8px; align-items: baseline; }
.ver-head b { font-size: 15px; }
.ver-msg { margin: 4px 0; white-space: pre-wrap; }
.ver-actions { display: flex; gap: 6px; margin-top: 6px; }
.ver-actions button { padding: 2px 9px; font-size: 12px; }

/* issues */
.issue {
  display: flex; gap: 8px; padding: 8px 6px; border-bottom: 1px solid #eef0f3; cursor: pointer; border-radius: 4px;
}
.issue:hover { background: #f6f7f9; }
.issue .dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 5px; flex: none; }
.issue.error .dot { background: var(--danger); }
.issue.warn .dot { background: var(--warn); }
.all-good { padding: 24px 0; text-align: center; color: var(--ok); }

/* login gate */
#gate { position: fixed; inset: 0; z-index: 60; background: var(--bg); display: grid; place-items: center; }
#gate[hidden] { display: none; }
#gate .card {
  width: min(380px, calc(100% - 32px)); background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px 26px; display: grid; gap: 12px; box-shadow: 0 10px 40px rgba(0, 0, 0, .08);
}
#gate h2 { margin: 6px 0 0; font-size: 18px; }
#gate p { margin: 0; }
#gate [hidden] { display: none; }

/* share */
.share-link { display: flex; gap: 6px; align-items: center; background: #f0f6ff; border: 1px solid #cfe0ff; border-radius: 6px; padding: 6px 8px; margin: 4px 0 10px; }
.share-link a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.share-link button { padding: 2px 9px; font-size: 12px; }

/* read-only client viewer */
#viewTitle { font-weight: 600; font-size: 15px; }
body.viewer #projectSelect, body.viewer #btnNew, body.viewer #btnDelete, body.viewer #topbar .sep,
body.viewer #btnImport, body.viewer #btnExport, body.viewer #saveStatus, body.viewer #btnUndo, body.viewer #btnRedo,
body.viewer .tabs [data-tab=versions], body.viewer .tabs [data-tab=issues], body.viewer #emptyState,
body.viewer #btnMore, body.viewer #toolbar [data-tool]:not([data-tool=select]):not([data-tool=pan]):not([data-tool=measure]) { display: none !important; }
body.viewer #tab-props input:disabled, body.viewer #tab-props select:disabled, body.viewer #tab-props textarea:disabled {
  border-color: transparent; background: transparent; color: var(--text); padding-left: 0; opacity: 1; resize: none; appearance: none;
}
#topbar [hidden], #toolbar [hidden] { display: none !important; }

/* toasts */
#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); display: grid; gap: 6px; z-index: 50; pointer-events: none; }
.toast {
  background: #1c2230; color: #fff; padding: 9px 16px; border-radius: 8px; font-size: 13px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .2); animation: tin .15s ease-out;
}
.toast.error { background: var(--danger); }
.toast.warn { background: #b45309; }
@keyframes tin { from { opacity: 0; transform: translateY(6px); } }

/* ---------- equipment sheet ---------- */
#sheetOverlay { position: fixed; inset: 0; background: var(--bg); z-index: 40; display: flex; flex-direction: column; }
#sheetOverlay[hidden] { display: none; }
.sheet-bar {
  display: flex; gap: 8px; align-items: center; padding: 8px 16px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}
#sheetBody { overflow: auto; flex: 1; padding: 24px; }
.sheet { max-width: 1100px; margin: 0 auto; background: #fff; padding: 32px 40px; border: 1px solid var(--border); border-radius: 8px; }
.sheet h1 { margin: 0; font-size: 24px; }
.sheet h2 { font-size: 15px; margin: 28px 0 8px; padding-bottom: 4px; border-bottom: 2px solid var(--text); }
.sheet-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; }
.sheet-meta { font-size: 12px; color: var(--muted); text-align: right; line-height: 1.6; }
.sheet table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.sheet th, .sheet td { text-align: left; padding: 5px 8px; border-bottom: 1px solid #e5e7eb; vertical-align: top; }
.sheet th { background: #f6f7f9; font-weight: 600; }
.sheet td.n, .sheet th.n { text-align: right; font-variant-numeric: tabular-nums; }
.sheet .bom td:nth-child(2) { font-weight: 700; font-size: 14px; }
.sheet-map { width: 100%; height: auto; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.banner { padding: 10px 14px; border-radius: 6px; margin: 16px 0 0; }
.banner.warn { background: #fef3c7; color: #92400e; font-weight: 500; }

@media print {
  @page { margin: 12mm; }
  html, body { overflow: visible; height: auto; background: #fff; }
  body > *:not(#sheetOverlay) { display: none !important; }
  #sheetOverlay { position: static; display: block; }
  .sheet-bar { display: none; }
  #sheetBody { padding: 0; overflow: visible; }
  .sheet { border: 0; padding: 0; max-width: none; }
  .sheet section { break-inside: avoid-page; }
  .sheet tr { break-inside: avoid; }
  .no-print { display: none !important; }
  .sheet input { border: 0 !important; background: transparent; padding: 0 !important; }
}