:root{
  --brand-dark:#1f1f1f;
  --brand-mid:#cccccc;
  --brand-light:#ffffff;
  --canvas:#ececec;
  --line:#dedede;
  --muted:#707070;
}
*{box-sizing:border-box}
body{margin:0;background:#f4f4f4;color:var(--brand-dark);font-family:Arial,Helvetica,sans-serif}
.app-topbar{position:sticky;top:0;z-index:1030;background:var(--brand-dark);color:#fff;padding:12px 0;border-bottom:1px solid #393939}
.brand-box{background:#fff;border-radius:8px;padding:7px 12px;display:flex;align-items:center;justify-content:center}
.brand-box img{display:block;width:104px;height:auto}
.topbar-subtitle{font-size:.78rem;color:#bdbdbd}
.save-status{font-size:.76rem;color:#d5d5d5;white-space:nowrap}
.app-shell{max-width:1900px}
.control-panel,.preview-column{border-radius:18px}
.control-panel{background:#fff;box-shadow:0 18px 50px rgba(0,0,0,.07);overflow:hidden;border:1px solid #e6e6e6}
.panel-header{padding:24px 24px 16px;border-bottom:1px solid #ececec}
.panel-header h1{font-size:1.45rem;margin:.15rem 0 0;font-weight:800}
.eyebrow{font-size:.69rem;font-weight:800;letter-spacing:.14em;color:#757575}
.progress-wrap{padding:16px 24px;border-bottom:1px solid #efefef;background:#fafafa}
.progress{height:7px;background:#e5e5e5;border-radius:99px}
.progress-bar{background:var(--brand-dark)}
.accordion-button{font-weight:800;color:var(--brand-dark);gap:12px;padding:18px 24px}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:#f7f7f7;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-body{padding:22px 24px 26px}
.step-number{width:34px;height:34px;border-radius:50%;background:var(--brand-dark);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;letter-spacing:.04em;flex:0 0 auto}
.form-label{font-size:.78rem;font-weight:800;margin-bottom:.4rem}
.form-control,.input-group-text{border-color:#d4d4d4;border-radius:10px;min-height:44px}
textarea.form-control{min-height:auto;line-height:1.5}
.form-control:focus{border-color:#666;box-shadow:0 0 0 .2rem rgba(31,31,31,.08)}
.input-group>.form-control{border-radius:0 10px 10px 0}
.input-group-text{border-radius:10px 0 0 10px;background:#f1f1f1;font-weight:700}
.form-hint{font-size:.73rem;color:#858585;margin-top:7px}
.scope-item{border:1px solid #dfdfdf;border-radius:14px;padding:16px;margin-bottom:12px;background:#fcfcfc}
.scope-item-top{display:flex;gap:12px;align-items:flex-start}
.scope-index{width:30px;height:30px;border-radius:50%;background:#dedede;font-size:.73rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.scope-fields{flex:1}
.scope-remove{border:0;background:transparent;color:#858585;font-size:1.25rem;line-height:1;padding:2px 4px}
.scope-remove:hover{color:#111}
.action-zone{padding:22px 24px 24px;border-top:1px solid #ececec;background:#fafafa}
.btn{border-radius:10px;font-weight:700;min-height:42px}
.btn-brand-light{background:#ccc;border-color:#ccc;color:#1f1f1f}
.btn-brand-light:hover{background:#bdbdbd;border-color:#bdbdbd;color:#111}
.privacy-note{font-size:.7rem;color:#777;text-align:center;margin-top:12px}
.preview-column{background:#2a2a2a;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.12)}
.preview-toolbar{padding:16px 20px;color:#fff;border-bottom:1px solid #444}
.preview-toolbar .eyebrow{color:#aaa}
.preview-stage{background:#3b3b3b;padding:26px;overflow:auto;max-height:calc(100vh - 126px)}
.proposal-document{width:210mm;min-height:297mm;margin:0 auto;background:#fff;box-shadow:0 15px 35px rgba(0,0,0,.25);position:relative;color:#1f1f1f}
.proposal-inner{padding:18mm 17mm 16mm;position:relative;min-height:297mm}
.proposal-pattern{position:absolute;top:0;right:0;width:90mm;height:70mm;opacity:.08;pointer-events:none;background:linear-gradient(135deg,transparent 0 47%,#1f1f1f 47% 51%,transparent 51% 100%),linear-gradient(45deg,transparent 0 50%,#1f1f1f 50% 54%,transparent 54% 100%);clip-path:polygon(34% 0,100% 0,100% 100%,0 38%)}
.proposal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;padding-bottom:15px;border-bottom:2px solid #1f1f1f;position:relative;z-index:1}
.proposal-logo{width:148px;height:auto}
.proposal-head-right{text-align:right}
.proposal-kicker{font-size:10px;font-weight:800;letter-spacing:.18em;color:#777}
.proposal-title{font-size:24px;font-weight:900;letter-spacing:-.03em;margin:4px 0 2px}
.proposal-id{font-size:10px;color:#666}
.proposal-project{padding:24px 0 18px;border-bottom:1px solid #d6d6d6}
.proposal-project-label{font-size:9px;letter-spacing:.16em;font-weight:800;color:#777;text-transform:uppercase}
.proposal-project h2{font-size:25px;line-height:1.15;margin:8px 0 10px;font-weight:900;max-width:150mm}
.proposal-project p{font-size:11px;color:#5d5d5d;margin:0}
.meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 22px;padding:18px 0 8px}
.meta-item{border-left:3px solid #ccc;padding-left:10px;min-height:38px}
.meta-label{font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:#888;margin-bottom:3px}
.meta-value{font-size:10.5px;font-weight:700;word-break:break-word}
.proposal-section{padding-top:21px;break-inside:avoid-page;page-break-inside:avoid}
.section-head{display:flex;align-items:center;gap:11px;margin-bottom:10px}
.section-badge{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#1f1f1f;color:#fff;font-size:9px;font-weight:900;flex:0 0 auto}
.section-title{font-size:14px;font-weight:900;margin:0;text-transform:uppercase;letter-spacing:.04em}
.section-rule{height:1px;background:#d1d1d1;flex:1}
.section-copy{font-size:10.5px;line-height:1.55;color:#353535;margin:0;white-space:pre-line}
.scope-list{display:grid;gap:9px;margin-top:4px}
.scope-row{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:flex-start;border:1px solid #ddd;border-radius:10px;padding:10px 12px;background:#fafafa}
.scope-row-number{width:24px;height:24px;border-radius:6px;background:#ccc;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:900}
.scope-row h4{font-size:10.5px;font-weight:900;margin:0 0 3px}
.scope-row p{font-size:9.5px;line-height:1.45;color:#555;margin:0;white-space:pre-line}
.bullet-list{margin:0;padding-left:17px;font-size:10px;line-height:1.55;color:#3f3f3f}
.bullet-list li{margin-bottom:5px}
.conditions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:10px}
.condition-card{border:1px solid #d6d6d6;border-radius:10px;padding:12px;background:#fbfbfb}
.condition-card.highlight{background:#1f1f1f;color:#fff;border-color:#1f1f1f}
.condition-card-label{font-size:8px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#888;margin-bottom:4px}
.condition-card.highlight .condition-card-label{color:#aaa}
.condition-card-value{font-size:15px;font-weight:900;line-height:1.15}
.condition-card-value.small-value{font-size:10px;line-height:1.35}
.proposal-note{border-left:4px solid #ccc;background:#f6f6f6;padding:11px 13px;font-size:9.5px;line-height:1.5;white-space:pre-line}
.proposal-footer{margin-top:28px;padding-top:12px;border-top:1px solid #d5d5d5;display:flex;justify-content:space-between;align-items:center;font-size:8px;color:#777}
.proposal-footer strong{color:#1f1f1f}
.empty-placeholder{color:#a0a0a0;font-style:italic}
.toast{border-radius:12px}
@media(max-width:1199.98px){.preview-stage{max-height:none}.proposal-document{transform-origin:top center}.save-status{display:none}}
@media(max-width:767.98px){.app-topbar .brand-box{padding:5px 8px}.brand-box img{width:82px}.topbar-subtitle{display:none}.preview-stage{padding:12px}.proposal-document{width:210mm;transform:scale(.47);transform-origin:top left;margin-bottom:-157mm}.preview-stage{overflow:hidden}.panel-header,.accordion-body,.action-zone,.progress-wrap{padding-left:18px;padding-right:18px}}
@media print{
  body{background:#fff}
  .app-topbar,.control-panel,.preview-toolbar{display:none!important}
  .app-shell,.row,.preview-column,.preview-stage{display:block!important;margin:0!important;padding:0!important;background:#fff!important;box-shadow:none!important;max-height:none!important}
  .preview-column{width:100%!important;border:0!important}
  .proposal-document{box-shadow:none!important;margin:0!important;width:210mm!important;min-height:297mm!important}
  @page{size:A4;margin:0}
}