html, body.simple-mode {
  margin: 0;
  height: 100%;
  max-width: 100%;
  overflow: hidden;
  background: var(--cb-bg);
}
:root {
  --cb-bg: #F6F7F9;
  --cb-surface: #FFFFFF;
  --cb-text: #172033;
  --cb-muted: #647085;
  --cb-border: #DCE2EA;
  --cb-navy: #153B5B;
  --cb-navy-hover: #0F2E48;
  --cb-accent: #2878B5;
  --cb-ok: #267A55;
  --cb-warn: #A86716;
  --cb-danger: #C5393F;
  --cb-info: #EEF5FA;
  --cb-radius: 8px;
  --cb-btn-h: 42px;
  --cb-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, "Segoe UI", Arial, sans-serif;
}
#simpleApp {
  position: fixed; inset: 0; z-index: 50; overflow: hidden;
  display: grid; grid-template-rows: 48px 36px minmax(0,1fr);
  background: var(--cb-bg); color: var(--cb-text); font: 15px/1.55 var(--cb-font);
  width: 100%; max-width: 100vw; height: 100%; height: 100dvh;
}
#simpleApp * { box-sizing: border-box; }
#simpleHead {
  display: flex; align-items: center; gap: 10px; padding: 0 12px;
  background: var(--cb-navy); color: #fff; min-height: 0; overflow: hidden;
}
#simpleHead .brand { font-weight: 700; letter-spacing: .02em; margin-right: 8px; }
#simpleDocName { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; opacity: .92; }
#simpleSave { font-size: 12px; opacity: .8; }
#simpleHead button, #simpleLang {
  height: 32px; padding: 0 12px; border: 0; border-radius: 6px; cursor: pointer;
  background: rgba(255,255,255,.12); color: #fff; font: 13px var(--cb-font);
}
#simpleHead button:hover { background: rgba(255,255,255,.2); }
#simpleStatus { font-size: 12px; opacity: .85; }
#simpleSteps {
  display: flex; align-items: center; gap: 8px; padding: 0 16px;
  background: var(--cb-surface); border-bottom: 1px solid var(--cb-border); font-size: 12px; color: var(--cb-muted);
}
#simpleSteps .step { display: flex; align-items: center; gap: 6px; }
#simpleSteps .step b { width: 18px; height: 18px; border-radius: 99px; display: grid; place-items: center; background: var(--cb-info); color: var(--cb-navy); font-size: 11px; }
#simpleSteps .step.on b { background: var(--cb-navy); color: #fff; }
#simpleShell { display: grid; grid-template-columns: 168px 220px minmax(0,1fr) 320px; min-height: 0; overflow: hidden; }
#simpleNav {
  background: var(--cb-surface); border-right: 1px solid var(--cb-border);
  display: flex; flex-direction: column; padding: 8px; gap: 4px;
}
#simpleNav button {
  height: 40px; border: 0; border-radius: var(--cb-radius); background: transparent;
  color: var(--cb-text); text-align: left; padding: 0 10px; cursor: pointer; font: 14px var(--cb-font);
}
#simpleNav button:hover, #simpleNav button.on { background: var(--cb-info); color: var(--cb-navy); }
#simpleRisk {
  background: var(--cb-surface); border-right: 1px solid var(--cb-border);
  overflow: auto; padding: 10px; font-size: 13px; min-width: 0;
}
#simpleRisk .risk-counts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 8px; }
#simpleRisk .chip { background: var(--cb-info); border-radius: 6px; padding: 6px 8px; font-size: 12px; }
#simpleRisk .g { color: var(--cb-ok); } #simpleRisk .y { color: var(--cb-warn); }
#simpleRisk .r { color: var(--cb-danger); } #simpleRisk .nv { color: var(--cb-accent); }
#simpleRisk .risk-filters { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
#simpleRisk .risk-filters button {
  height: 28px; padding: 0 8px; border: 1px solid var(--cb-border); background: var(--cb-surface);
  border-radius: 6px; cursor: pointer; font-size: 11px; color: var(--cb-text);
}
#simpleRisk .risk-card {
  border: 1px solid var(--cb-border); border-radius: var(--cb-radius); padding: 8px; margin-bottom: 8px; background: #fff;
}
#simpleRisk .risk-card button { height: 28px; margin-right: 4px; margin-top: 6px; border-radius: 6px; border: 1px solid var(--cb-border); background: #fff; cursor: pointer; font-size: 11px; }
#simpleCanvasWrap { overflow: auto; padding: 16px 4% 72px; background: var(--cb-bg); min-height: 0; }
#simpleCanvas {
  background: var(--cb-surface); min-height: 100%; padding: 36px 40px 64px;
  box-shadow: 0 8px 24px rgba(23,32,51,.06); color: var(--cb-text);
  font-size: 16px; line-height: 1.6; max-width: 820px; margin: 0 auto; border: 1px solid var(--cb-border); border-radius: 4px;
  overflow-wrap: anywhere; word-break: break-word;
}
#simpleCanvas .eq { color: var(--cb-text); }
#simpleCanvas .del { color: var(--cb-danger); text-decoration: line-through; }
#simpleCanvas .ins { color: var(--cb-danger); text-decoration: underline; }
#simpleCanvas .chg { position: relative; display: inline; }
#simpleCanvas .chg .ops { display: inline-flex; gap: 4px; margin-left: 8px; vertical-align: middle; font-size: 12px; }
#simpleCanvas .chg button {
  height: 28px; padding: 0 8px; border: 1px solid var(--cb-danger); background: #fff; color: var(--cb-danger);
  border-radius: 6px; cursor: pointer;
}
#simpleHome { padding: 48px 24px; max-width: 640px; width: 100%; margin: 0 auto; }
#simpleHome h2 { font-size: 22px; margin: 0 0 8px; }
#simpleHome p { color: var(--cb-muted); }
#simpleHome .cb-empty { background: var(--cb-surface); border: 1px dashed var(--cb-border); border-radius: 12px; padding: 28px; }
.cb-file {
  position: relative; display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin: 16px 0 12px; min-height: 44px; overflow: hidden;
}
.cb-file input[type="file"] {
  position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%;
  cursor: pointer; font-size: 16px; z-index: 2; color: transparent;
}
.cb-file-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 16px; border-radius: var(--cb-radius);
  background: var(--cb-info); color: var(--cb-navy); font: 600 14px var(--cb-font);
  border: 1px solid var(--cb-border); pointer-events: none;
}
.cb-file-name { color: var(--cb-muted); font-size: 14px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.cb-upload-err { color: var(--cb-danger); margin: 0 0 12px; font-size: 14px; }
#simpleMenuBtn { display: none; }
#simpleMobileNav { display: none; }
.cb-btn {
  height: var(--cb-btn-h); padding: 0 16px; border-radius: var(--cb-radius); border: 0; cursor: pointer;
  font: 600 14px var(--cb-font);
}
.cb-btn-primary { background: var(--cb-navy); color: #fff; }
.cb-btn-primary:hover { background: var(--cb-navy-hover); }
.cb-btn-secondary { background: #fff; color: var(--cb-navy); border: 1px solid var(--cb-border); }
.cb-btn:disabled { opacity: .45; cursor: not-allowed; }
#simpleDrawer {
  display: grid; grid-template-rows: minmax(0,1fr) auto auto; border-left: 1px solid var(--cb-border);
  background: var(--cb-surface); min-width: 0; min-height: 0; overflow: hidden;
}
#simpleDrawer.closed { display: none; }
#simpleShell.drawer-closed { grid-template-columns: 168px 220px minmax(0,1fr); }
#simpleChatLog { overflow: auto; padding: 12px; font-size: 14px; min-height: 0; }
#simpleChatLog .bubble { background: var(--cb-info); border-radius: 10px; padding: 8px 10px; margin: 0 0 8px; }
#simpleChatLog .bubble.you { background: #fff; border: 1px solid var(--cb-border); }
#simpleChatForm { display: grid; grid-template-columns: minmax(0,1fr) 88px; gap: 8px; padding: 8px; border-top: 1px solid var(--cb-border); }
#simpleChatIn { min-height: 44px; max-height: 88px; resize: none; padding: 10px; font: 14px/1.4 var(--cb-font); border: 1px solid var(--cb-border); border-radius: 8px; }
#simpleSend { height: var(--cb-btn-h); background: var(--cb-navy); color: #fff; border: 0; border-radius: var(--cb-radius); cursor: pointer; font: 600 14px var(--cb-font); }
#simpleExportPanel { padding: 8px 10px; border-top: 1px solid var(--cb-border); font-size: 12px; }
#simpleExportPanel .ex-row { display:flex; align-items:flex-start; flex-wrap: wrap; gap:8px; margin:4px 0; }
#simpleExportPanel .ex-row span:first-child { flex:1; min-width:0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#simpleExportPanel .st { font-size:11px; color:var(--cb-muted); flex: 0 0 auto; }
#simpleExportPanel .st.ready { color:var(--cb-ok); }
#simpleExportPanel .st.blocked { color:var(--cb-warn); }
#simpleExportPanel .st.human { color:var(--cb-accent); }
#simpleExportPanel .ex-why { display:block; color:var(--cb-warn); font-size:12px; line-height:1.35; flex: 1 0 100%; }
#simpleSettings { padding:48px 24px; max-width:640px; margin:0 auto; }

#simpleExportPanel button, #simpleExport {
  height: 32px; margin: 2px 4px 2px 0; border-radius: 6px; border: 1px solid var(--cb-border);
  background: #fff; color: var(--cb-navy); cursor: pointer; font-size: 12px;
}
#simpleExportPanel button:disabled {
  opacity: .55; cursor: not-allowed; color: var(--cb-muted); background: #f3f5f8;
}
body.simple-mode #app, body.simple-mode #qaApp, body.simple-mode #bootSplash { display: none !important; }
@media (max-width: 1280px) {
  #simpleShell { grid-template-columns: 148px 180px minmax(0,1fr) 280px; }
  #simpleNav button { font-size: 13px; padding: 0 8px; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}
@media (max-height: 760px) {
  #simpleCanvas { padding: 24px 28px 48px; }
  #simpleRisk { padding: 6px; }
}

@media (max-width: 860px) {
  #simpleApp { grid-template-rows: 56px minmax(0,1fr); }
  #simpleHead { gap: 8px; padding: 0 10px; }
  #simpleHead .brand { margin-right: auto; font-size: 15px; }
  #simpleDocName, #simpleSave, #simpleStatus, #simpleToggle { display: none; }
  #simpleMenuBtn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; min-width: 44px; height: 44px; padding: 0; font-size: 20px; line-height: 1;
  }
  #simpleSteps {
    display: none;
  }
  #simpleShell {
    display: flex; flex-direction: column; min-height: 0; overflow: hidden;
    grid-template-columns: none;
  }
  #simpleNav { display: none; }
  #simpleRisk {
    display: none; order: 2; max-height: 28vh; min-height: 0; overflow: auto;
    border-right: 0; border-top: 1px solid var(--cb-border); flex: 0 0 auto;
  }
  #simpleApp.show-risk #simpleRisk { display: block; }
  #simpleCanvasWrap {
    order: 1; flex: 1 1 auto; min-height: 0; overflow: auto; padding: 12px;
    -webkit-overflow-scrolling: touch;
  }
  #simpleHome { max-width: none; padding: 8px 0 16px; }
  #simpleHome .cb-empty { padding: 20px 16px; }
  #simpleHome h2 { font-size: 20px; }
  #simpleCanvas { padding: 16px 14px 32px; font-size: 16px; max-width: none; margin: 0; }
  #simpleCanvas .chg .ops { display: flex; flex-wrap: wrap; margin: 8px 0 0; }
  #simpleCanvas .chg button { min-height: 44px; min-width: 72px; padding: 0 12px; font-size: 14px; }
  #simpleDrawer {
    order: 3; position: static; inset: auto; z-index: 2;
    flex: 0 0 auto; max-height: 46vh; display: grid;
    grid-template-rows: minmax(48px, 1fr) minmax(0, auto) auto;
    border-left: 0; border-top: 1px solid var(--cb-border);
  }
  #simpleChatLog { min-height: 48px; }
  #simpleExportPanel { padding: 10px; overflow: auto; max-height: 22vh; }
  #simpleExportPanel .ex-row {
    display: grid; grid-template-columns: 1fr; gap: 6px;
    margin: 0 0 10px; padding: 12px; border: 1px solid var(--cb-border);
    border-radius: var(--cb-radius); background: #fff;
  }
  #simpleExportPanel .ex-row span:first-child { font-weight: 600; }
  #simpleExportPanel .ex-row button, #simpleExportPanel button {
    width: 100%; margin: 0; min-height: 44px; height: 44px; font-size: 14px;
  }
  #simpleChatForm {
    grid-template-columns: minmax(0, 1fr) 72px; padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
  }
  #simpleChatIn { font-size: 16px; min-height: 44px; }
  #simpleSend { min-height: 44px; height: 44px; }
  #simpleUpload { width: 100%; min-height: 44px; }
  .cb-file { width: 100%; }
  #simpleMobileNav {
    display: none; position: absolute; top: 56px; left: 0; right: 0; z-index: 8;
    background: var(--cb-surface); border-bottom: 1px solid var(--cb-border);
    padding: 8px; flex-direction: column; gap: 4px;
  }
  #simpleApp.menu-open #simpleMobileNav { display: flex; }
  #simpleMobileNav button {
    min-height: 44px; border: 0; border-radius: var(--cb-radius); background: transparent;
    text-align: left; padding: 0 12px; font: 15px var(--cb-font); color: var(--cb-text);
  }
  #simpleShell.drawer-closed #simpleDrawer { display: none; }
  #simpleApp:not(.has-doc) #simpleDrawer { display: none; }
}

@media (max-width: 430px) {
  #simpleChatForm { grid-template-columns: 1fr; }
  #simpleSend { width: 100%; }
}