:root{--bg-app: #f8fafc;--bg-surface: #ffffff;--bg-sidebar: #f8fafc;--bg-header: rgba(255, 255, 255, .85);--border-subtle: #e2e8f0;--border-strong: #cbd5e1;--border-active: #818cf8;--text-main: #0f172a;--text-sub: #475569;--text-muted: #94a3b8;--indigo: #4F46E5;--indigo-hover: #4338ca;--indigo-light: #eef2ff;--blue: #2563EB;--blue-hover: #1d4ed8;--blue-light: #eff6ff;--emerald: #059669;--emerald-hover: #047857;--emerald-light: #ecfdf5;--amber: #d97706;--amber-light: #fffbeb;--rose: #e11d48;--rose-light: #fff1f2;--sidebar-width: 256px;--sidebar-collapsed: 64px;--header-height: 60px;--row-height: 48px;--radius: 8px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body.light-theme{font-family:Inter,Plus Jakarta 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ease}.brand-link:hover{opacity:.88}.brand-icon{width:36px;height:36px;border-radius:var(--radius);background:var(--indigo);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.brand-text{display:flex;flex-direction:column;white-space:nowrap}.brand-name{font-family:Plus Jakarta Sans,sans-serif;font-weight:800;font-size:16px;color:var(--text-main);letter-spacing:-.3px}.brand-tag{font-size:10px;font-weight:600;color:var(--indigo);text-transform:uppercase;letter-spacing:.5px}.sidebar-nav{padding:16px 12px;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}.nav-section-title{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.8px;padding:8px 8px 4px;white-space:nowrap}.nav-link{display:flex;align-items:center;gap:12px;padding:9px 12px;color:var(--text-sub);text-decoration:none;border-radius:var(--radius);font-weight:500;transition:all .15s ease;white-space:nowrap;background:transparent;border:none;width:100%;cursor:pointer;font-size:13px}.nav-link i{font-size:16px;width:20px;text-align:center;flex-shrink:0}.nav-link:hover{background:#0000000a;color:var(--text-main)}.nav-link.active{background:var(--indigo-light);color:var(--indigo);font-weight:600}.nav-badge{margin-left:auto;padding:2px 7px;border-radius:10px;font-size:11px;font-weight:700;background:#0000000f;color:var(--text-sub)}.nav-badge.badge-warning{background:var(--amber-light);color:var(--amber)}.app-layout.sidebar-collapsed .brand-text,.app-layout.sidebar-collapsed .nav-label,.app-layout.sidebar-collapsed .nav-section-title,.app-layout.sidebar-collapsed .nav-badge{display:none}.sidebar-footer{padding:12px;border-top:1px solid var(--border-subtle)}.sidebar-toggle-btn{display:flex;align-items:center;gap:12px;width:100%;padding:9px 12px;background:transparent;border:1px solid var(--border-subtle);border-radius:var(--radius);color:var(--text-sub);cursor:pointer;font-size:12px;font-weight:600;transition:all .15s ease}.sidebar-toggle-btn:hover{background:#0000000a;color:var(--text-main)}.main-wrapper{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-width:0;transition:margin-left .25s cubic-bezier(.4,0,.2,1)}.app-layout.sidebar-collapsed .main-wrapper{margin-left:var(--sidebar-collapsed)}.sticky-header{height:var(--header-height);position:sticky;top:0;z-index:100;background:var(--bg-header);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.header-left{display:flex;align-items:center;gap:14px}.icon-btn{width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-sub);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.icon-btn:hover{border-color:var(--border-strong);color:var(--text-main)}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-sub)}.bc-sep{font-size:10px;color:var(--text-muted)}.bc-item.active{font-weight:600;color:var(--text-main)}.header-center{flex:1;max-width:440px}.header-search{position:relative;width:100%}.header-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}.header-search input{width:100%;padding:8px 38px 8px 36px;background:var(--bg-app);border:1px solid var(--border-subtle);border-radius:var(--radius);font-size:13px;color:var(--text-main);outline:none;transition:all .15s ease}.header-search input:focus{background:var(--bg-surface);border-color:var(--indigo);box-shadow:0 0 0 3px #4f46e526}.search-kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);padding:2px 5px;font-size:10px;font-family:monospace;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:4px;color:var(--text-muted)}.btn-api-nav{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;border-radius:var(--radius);background:var(--indigo-light);color:var(--indigo);border:1px solid rgba(79,70,229,.2);text-decoration:none;transition:all .15s ease}.btn-api-nav:hover{background:var(--indigo);color:#fff;border-color:var(--indigo);box-shadow:0 2px 4px #4f46e533}.btn-api-nav .icon-ext{font-size:10px;opacity:.75}.header-right{display:flex;align-items:center;gap:16px}.quick-status{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--text-sub)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--emerald)}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--indigo-light);color:var(--indigo);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;border:2px solid var(--bg-surface);box-shadow:var(--shadow-sm)}.content-body{padding:24px;display:flex;flex-direction:column;gap:28px}.section-title-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:16px}.section-title-row h2{font-family:Plus Jakarta 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var(--border-subtle);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:200px;padding:8px;z-index:110;display:none}.dropdown-wrapper.open .dropdown-menu{display:block}.dropdown-title{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-muted);padding:4px 8px 8px}.dropdown-item{display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:12px;cursor:pointer;border-radius:4px}.dropdown-item:hover{background:var(--bg-app)}.bulk-actions-bar{display:none;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--text-main);color:#fff;border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow-md)}.bulk-actions-bar.active{display:flex}.bulk-badge{background:var(--indigo);color:#fff;padding:2px 8px;border-radius:12px;font-weight:700}.bulk-buttons{display:flex;gap:8px}.compact-table-container{background:var(--bg-surface);border:1px solid 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10px;border-radius:12px;font-size:11px;font-weight:600}.badge-status.complete{background:var(--emerald-light);color:var(--emerald)}.badge-status.missing{background:var(--amber-light);color:var(--amber)}.badge-status.quality{background:var(--rose-light);color:var(--rose);border:1px solid rgba(225,29,72,.15)}.pagination-footer{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-top:none;border-bottom-left-radius:var(--radius);border-bottom-right-radius:var(--radius);font-size:13px;color:var(--text-sub)}.pagination-controls{display:flex;gap:6px}.page-btn{padding:5px 11px;border:1px solid var(--border-subtle);background:var(--bg-surface);border-radius:var(--radius);font-size:12px;font-weight:600;color:var(--text-sub);cursor:pointer}.page-btn:hover:not(:disabled){border-color:var(--indigo);color:var(--indigo)}.page-btn.active{background:var(--indigo);color:#fff;border-color:var(--indigo)}.page-btn:disabled{opacity:.5;cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:600;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:all .15s 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10px;font-size:12px}.btn-text{background:transparent;border:none;font-size:12px;font-weight:600;cursor:pointer}.text-danger{color:var(--rose)}.text-danger:hover{text-decoration:underline}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}.modal-backdrop.open{display:flex}.modal-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);width:100%;max-width:600px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);overflow:hidden}.modal-lg{max-width:850px}.modal-xl{max-width:1040px}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:16px;font-weight:700}.modal-sub{font-size:12px;color:var(--text-sub)}.close-icon-btn{background:transparent;border:none;font-size:18px;color:var(--text-muted);cursor:pointer;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center}.close-icon-btn:hover{background:var(--bg-app);color:var(--text-main)}.modal-body{padding:20px;overflow-y:auto}.modal-footer{padding:14px 20px;border-top:1px solid var(--border-subtle);display:flex;justify-content:flex-end;gap:10px;background:var(--bg-app)}.cropper-layout{display:grid;grid-template-columns:1fr 260px;gap:20px}.cropper-view-container{max-height:440px;background:#000;border-radius:var(--radius);overflow:hidden}.cropper-view-container img{max-width:100%;display:block}.cropper-tools-panel{display:flex;flex-direction:column;gap:16px}.panel-box{background:var(--bg-app);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:10px}.panel-title{font-size:12px;font-weight:700;color:var(--text-main)}.toggle-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;cursor:pointer}.slider-box{display:flex;flex-direction:column;gap:4px;font-size:12px}.slider-box input{width:100%}.btn-grid{display:flex;flex-direction:column;gap:6px}.raw-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.raw-item{border:1px solid var(--border-subtle);border-radius:var(--radius);padding:10px;display:flex;flex-direction:column;gap:8px}.raw-img{width:100%;height:150px;object-fit:contain;border-radius:6px;border:1px solid var(--border-subtle);background-color:#f1f5f9;background-image:linear-gradient(45deg,#e2e8f0 25%,transparent 25%),linear-gradient(-45deg,#e2e8f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e2e8f0 75%),linear-gradient(-45deg,transparent 75%,#e2e8f0 75%);background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0px}.checkerboard-lightbox{width:100%;height:320px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;background-color:#f1f5f9;background-image:linear-gradient(45deg,#e2e8f0 25%,transparent 25%),linear-gradient(-45deg,#e2e8f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e2e8f0 75%),linear-gradient(-45deg,transparent 75%,#e2e8f0 75%);background-size:16px 16px}.checkerboard-lightbox img{max-width:90%;max-height:90%;object-fit:contain}.ml-1{margin-left:4px}.btn-login-header{display:inline-flex;align-items:center;gap:6px;background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:6px 12px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-login-header:hover{background:var(--indigo-light);color:var(--indigo);border-color:var(--indigo)}.user-avatar-badge{display:inline-flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px;cursor:pointer;transition:all .2s ease}.user-avatar-badge:hover{border-color:var(--indigo);box-shadow:var(--shadow-sm)}.user-role-label{font-size:12px;font-weight:700;color:var(--indigo);text-transform:uppercase;letter-spacing:.5px}.profile-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:220px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:8px 0;z-index:1000;display:none}.profile-dropdown.open{display:block}.dropdown-header{padding:8px 16px;display:flex;flex-direction:column;gap:2px}.dropdown-header strong{font-size:13px;color:var(--text-main)}.dropdown-header small{font-size:11px;color:var(--text-muted)}.dropdown-divider{height:1px;background:var(--border-subtle);margin:6px 0}.auth-modal-body{display:flex;flex-direction:column;gap:16px}.auth-field{display:flex;flex-direction:column;gap:6px}.auth-field label{font-size:12px;font-weight:600;color:var(--text-main)}.auth-input-wrapper{position:relative;display:flex;align-items:center}.auth-input-wrapper i{position:absolute;left:12px;color:var(--text-muted);font-size:14px}.auth-input-wrapper input{width:100%;padding:10px 12px 10px 36px;border:1px solid var(--border-subtle);border-radius:var(--radius);background:var(--bg-app);color:var(--text-main);font-size:14px;transition:all .2s ease}.auth-input-wrapper input:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px #4f46e526;background:var(--bg-surface)}.auth-demo-hint{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--indigo-light);border-radius:var(--radius);color:var(--indigo);font-size:12px}.auth-error-banner{padding:10px 14px;background:#fff1f2;border:1px solid #fecdd3;color:#e11d48;border-radius:var(--radius);font-size:12px;font-weight:500}.signer-section{display:flex;flex-direction:column;width:100%;height:calc(100vh - 120px);min-height:600px}.signer-dropzone-view{flex:1;display:flex;align-items:center;justify-content:center;padding:30px}.dropzone-card{max-width:680px;width:100%;background:var(--bg-surface);border:2px dashed var(--border-subtle);border-radius:var(--radius-lg);padding:48px 36px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;transition:all .25s ease;box-shadow:var(--shadow-sm)}.dropzone-card.drag-over{border-color:var(--indigo);background:var(--indigo-light);transform:scale(1.01)}.dropzone-icon-ring{width:72px;height:72px;border-radius:50%;background:var(--indigo-light);color:var(--indigo);display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 0 0 8px #4f46e514}.dropzone-card h3{font-family:Plus Jakarta Sans,sans-serif;font-size:22px;font-weight:800;color:var(--text-main)}.dropzone-desc{font-size:14px;color:var(--text-sub);max-width:520px;line-height:1.6}.dropzone-actions{display:flex;gap:12px;margin-top:10px;flex-wrap:wrap;justify-content:center}.dropzone-footer-tips{display:flex;gap:16px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border-subtle);font-size:12px;color:var(--text-muted);flex-wrap:wrap;justify-content:center}.tip-item{display:inline-flex;align-items:center;gap:6px}.tip-item i{color:var(--emerald)}.signer-studio-view{display:flex;flex-direction:column;width:100%;height:100%;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.studio-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);gap:12px;flex-wrap:wrap}.studio-topbar-left,.studio-topbar-center,.studio-topbar-right{display:flex;align-items:center;gap:8px}.doc-file-badge{display:inline-flex;align-items:center;gap:8px;background:var(--bg-app);padding:6px 12px;border-radius:var(--radius);border:1px solid var(--border-subtle);font-size:13px;font-weight:600;color:var(--text-main);max-width:300px;min-width:0}#studio-doc-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px;display:inline-block;vertical-align:middle}.pdf-card,.recent-doc-card{min-width:0!important;overflow:hidden!important}.pdf-card strong,.recent-doc-card strong{min-width:0!important;max-width:100%!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;display:block!important}.doc-page-badge{background:var(--indigo-light);color:var(--indigo);padding:2px 6px;border-radius:4px;font-size:11px;font-weight:700}.btn-icon-sq{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);color:var(--text-main);cursor:pointer;transition:all .2s ease;font-size:12px}.btn-icon-sq:hover:not(:disabled){background:var(--indigo-light);color:var(--indigo);border-color:var(--indigo)}.btn-icon-sq:disabled{opacity:.4;cursor:not-allowed}.page-nav-controls,.zoom-controls{display:flex;align-items:center;gap:6px}.page-indicator,.zoom-level{font-size:12px;font-weight:600;color:var(--text-main);min-width:60px;text-align:center}.toolbar-v-sep{width:1px;height:20px;background:var(--border-subtle);margin:0 4px}.btn-emerald{background:#10b981;color:#fff;border:none}.btn-emerald:hover{background:#059669;box-shadow:0 4px 12px #10b9814d}.studio-body-layout{display:grid;grid-template-columns:280px 1fr 240px;height:calc(100% - 53px);overflow:hidden}.studio-drawer-library{background:var(--bg-app);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;height:100%;max-height:100%;overflow:hidden;min-height:0}.drawer-header{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-subtle);background:var(--bg-surface);flex-shrink:0}.drawer-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--text-main)}.drawer-title i{color:var(--indigo)}.drawer-badge{background:var(--indigo-light);color:var(--indigo);font-size:11px;font-weight:700;padding:2px 8px;border-radius:12px}.drawer-search-box{padding:10px 14px;position:relative;border-bottom:1px solid var(--border-subtle);flex-shrink:0}.drawer-search-box i{position:absolute;left:24px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:12px}.drawer-search-box input{width:100%;padding:6px 10px 6px 30px;font-size:12px;border:1px solid var(--border-subtle);border-radius:var(--radius);background:var(--bg-surface);color:var(--text-main);outline:none}.drawer-search-box input:focus{border-color:var(--indigo)}#drawer-view-signers{display:flex;flex-direction:column;flex:1 1 0px;min-height:0;height:100%;overflow:hidden}.drawer-signers-list{flex:1 1 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#6366f1);color:#fff}.signer-selected-badge{position:absolute;top:8px;right:8px;background:var(--indigo, #6366f1);color:#fff;font-size:9px;font-weight:700;padding:2px 6px;border-radius:10px;display:flex;align-items:center;gap:3px;text-transform:uppercase;letter-spacing:.3px}.signer-card-head{display:flex;align-items:center;gap:8px}.signer-card-avatar{width:28px;height:28px;border-radius:50%;background:var(--indigo-light);color:var(--indigo);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}.signer-card-meta{flex:1;overflow:hidden}.signer-card-name{font-size:13px;font-weight:700;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.signer-card-corp{font-size:11px;color:var(--text-muted)}.signer-card-buttons{display:grid;grid-template-columns:1fr 1fr;gap:6px}.btn-card-action{padding:5px 8px;font-size:11px;font-weight:600;border-radius:4px;border:1px solid var(--border-subtle);background:var(--bg-app);color:var(--text-main);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:4px;transition:all .15s ease}.btn-card-action:hover{background:var(--indigo-light);color:var(--indigo);border-color:var(--indigo)}.studio-canvas-viewport{background:#0f172a;background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);background-size:20px 20px;overflow:auto;position:relative;display:flex;align-items:flex-start;justify-content:center;padding:24px}.canvas-scroll-stage{display:flex;align-items:center;justify-content:center;min-width:100%;min-height:100%}.document-canvas-wrapper{position:relative;box-shadow:0 20px 40px #00000080,0 0 0 1px 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