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var(--border-color);gap:4px;margin-bottom:16px;padding-bottom:0;display:flex}.share-tab-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-bottom:2px solid transparent;align-items:center;gap:6px;margin-bottom:-1px;padding:8px 16px;font-size:13px;font-weight:500;transition:color .15s,border-color .15s;display:flex}.share-tab-btn.active{color:var(--btn-primary-bg,#2563eb);border-bottom-color:var(--btn-primary-bg,#2563eb)}.share-tab-btn:hover:not(.active){color:var(--text-primary)}.share-tab-badge{background:var(--btn-primary-bg,#2563eb);color:#fff;text-align:center;border-radius:10px;min-width:18px;padding:1px 6px;font-size:10px;font-weight:600}.collab-add-row{align-items:center;gap:8px;margin-bottom:16px;display:flex}.collab-email-input{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:6px;flex:1;padding:8px 10px;font-size:13px}.collab-perm-select{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);cursor:pointer;border-radius:6px;padding:8px 10px;font-size:13px}.collab-list{flex-direction:column;gap:8px;display:flex}.collab-list-row{border:1px solid var(--border-color);background:var(--bg-secondary);border-radius:8px;align-items:center;gap:10px;padding:10px 12px;display:flex}.collab-avatar{background:var(--btn-primary-bg,#2563eb);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.collab-info{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.collab-name{color:var(--text-primary);font-size:13px;font-weight:500}.collab-email-small{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.collab-perm-select--inline{padding:5px 8px;font-size:12px}.collab-revoke-btn{color:var(--text-secondary);cursor:pointer;background:0 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autosave-pulse{0%,to{opacity:1}50%{opacity:.3}}.drawing-card--versioned{overflow:hidden}.drawing-card-versions{flex-direction:row;min-height:0;display:flex}.drawing-card-master{border-right:1px solid var(--border-color);flex-direction:column;flex:3;min-width:0;display:flex}.drawing-card-copy{background:var(--bg-secondary);flex-direction:column;flex:2;min-width:0;display:flex}.drawing-card-copy-placeholder{border:2px dashed var(--border-color);background:0 0;justify-content:center;align-items:center}.drawing-card-thumbnail--half{aspect-ratio:16/9}.drawing-card-version-body{flex-direction:column;flex:1;gap:4px;padding:10px 12px 12px;display:flex}.drawing-card-version-body--placeholder{text-align:center;justify-content:center;align-items:center;padding:16px}.drawing-card-copy-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin:0 0 2px;font-size:11px;font-weight:700}.drawings-btn-sm{margin-top:4px;flex:none!important;padding:5px 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12px;display:flex}.copy-chip-thumb{object-fit:cover;background:#1e293b;border-radius:4px;flex-shrink:0;width:48px;height:30px}.copy-chip-info{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.copy-chip-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:500;overflow:hidden}.copy-chip-date{color:var(--text-secondary);font-size:11px}.copy-chip-actions{flex-wrap:wrap;flex-shrink:0;gap:4px;display:flex}.admin-page{background:var(--bg-secondary);flex-direction:column;min-height:100vh;display:flex}.admin-header{background:var(--bg-primary);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;padding:14px 24px;display:flex;position:-webkit-sticky;position:sticky;top:0}.admin-header-left{align-items:center;gap:16px;display:flex}.admin-header h1{color:var(--text-primary);margin:0;font-size:20px;font-weight:700}.admin-back-btn{color:var(--text-secondary);border:1px solid 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#fde047;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:13px}.admin-loading{text-align:center;color:var(--text-secondary);padding:40px}.admin-table-wrap{border:1px solid var(--border-color);border-radius:10px;overflow-x:auto}.admin-table{border-collapse:collapse;background:var(--bg-primary);width:100%;font-size:13px}.admin-table th{background:var(--bg-secondary);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;text-align:left;border-bottom:1px solid var(--border-color);white-space:nowrap;padding:10px 12px;font-size:11px;font-weight:600}.admin-table td{border-bottom:1px solid var(--border-color);color:var(--text-primary);vertical-align:middle;padding:10px 12px}.admin-table tr:last-child td{border-bottom:none}.admin-table .row-inactive td{opacity:.5}.badge-admin{background:var(--btn-primary-bg);color:#fff;vertical-align:middle;border-radius:10px;margin-left:6px;padding:1px 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.15s}.admin-btn-xs:hover{background:var(--border-color)}.admin-btn-xs:disabled{opacity:.4;cursor:not-allowed}.admin-btn-xs.btn-danger{color:#ef4444;border-color:#fca5a5}.admin-btn-xs.btn-danger:hover{background:#fee2e2}.admin-btn-xs.btn-warn{color:#f59e0b;border-color:#fcd34d}.admin-btn-xs.btn-warn:hover{background:#fef3c7}.admin-btn-xs.btn-ok{color:#22c55e;border-color:#86efac}.admin-btn-xs.btn-ok:hover{background:#dcfce7}.admin-btn-primary{background:var(--btn-primary-bg);color:#fff;cursor:pointer;border:none;border-radius:7px;padding:9px 18px;font-size:14px;font-weight:600;transition:background .15s}.admin-btn-primary:hover:not(:disabled){background:var(--btn-primary-hover)}.admin-btn-primary:disabled{opacity:.5;cursor:not-allowed}.admin-btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:7px;padding:9px 16px;font-size:14px;transition:all .15s}.admin-btn-secondary:hover{background:var(--bg-secondary)}.admin-btn-secondary:disabled{opacity:.5;cursor:not-allowed}.settings-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:10px;margin-bottom:16px;padding:20px 24px}.settings-row{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:12px;display:flex}.settings-row h3{margin:0 0 4px}.settings-row p{color:var(--text-secondary);margin:0;font-size:13px}.settings-description{color:var(--text-secondary);background:var(--bg-secondary);border-radius:6px;padding:8px 12px;font-size:13px}.toggle-group{border:1px solid var(--border-color);border-radius:8px;flex-shrink:0;display:flex;overflow:hidden}.toggle-btn{color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:none;padding:8px 16px;font-size:13px;font-weight:500;transition:all .15s}.toggle-btn.active{background:var(--btn-primary-bg);color:#fff;font-weight:600}.smtp-form{flex-direction:column;gap:16px;display:flex}.form-row{flex-wrap:wrap;gap:16px;display:flex}.form-field{flex-direction:column;flex:1;gap:6px;min-width:180px;display:flex}.form-field-sm{flex:0 0 120px;min-width:100px}.form-field label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:600}.form-field input[type=text]{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:7px;outline:none;padding:9px 12px;font-size:14px;transition:border-color .15s}.form-field input[type=email]{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:7px;outline:none;padding:9px 12px;font-size:14px;transition:border-color .15s}.form-field input[type=password]{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:7px;outline:none;padding:9px 12px;font-size:14px;transition:border-color .15s}.form-field input[type=number]{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:7px;outline:none;padding:9px 12px;font-size:14px;transition:border-color .15s}.form-field input:focus{border-color:var(--btn-primary-bg);box-shadow:0 0 0 3px rgba(59,130,246,.15)}.checkbox-label{color:var(--text-primary);cursor:pointer;align-items:center;gap:8px;padding:9px 0;font-size:14px;display:flex}.form-actions{gap:12px;display:flex}.invite-form{flex-direction:column;gap:10px;display:flex}.invite-row{align-items:flex-end;gap:10px;display:flex}.invite-email-input{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:7px;outline:none;flex:1;padding:9px 12px;font-size:14px}.invite-email-input:focus{border-color:var(--btn-primary-bg)}.invite-gift-select{flex-direction:column;gap:4px;display:flex}.invite-gift-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.4px;font-size:11px;font-weight:600}.admin-select{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);cursor:pointer;border-radius:7px;outline:none;padding:8px 10px;font-size:13px}.admin-select:focus{border-color:var(--btn-primary-bg)}.invite-message-input{border:1px solid var(--border-color);background:var(--input-bg);width:100%;color:var(--text-primary);resize:vertical;box-sizing:border-box;border-radius:7px;outline:none;padding:9px 12px;font-family:inherit;font-size:13px}.invite-message-input:focus{border-color:var(--btn-primary-bg)}.invite-form input{border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);border-radius:7px;outline:none;flex:1;padding:9px 12px;font-size:14px}.invite-form input:focus{border-color:var(--btn-primary-bg)}.tier-badge{text-transform:capitalize;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.tier-free{color:#64748b;background:#f1f5f9}.tier-pro{color:#2563eb;background:#eff6ff}.tier-max{color:#7c3aed;background:#faf5ff}.tier-enterprise{color:#c2410c;background:#fff7ed}[data-theme=dark] .tier-free{color:#94a3b8;background:#1e293b}[data-theme=dark] .tier-pro{color:#60a5fa;background:#1e3a5f}[data-theme=dark] .tier-max{color:#c4b5fd;background:#2e1065}[data-theme=dark] .tier-enterprise{color:#fb923c;background:#431407}.vip-gift-cell{min-width:100px}.vip-gift-active{flex-direction:column;align-items:flex-start;gap:4px;display:flex}.vip-mini{text-transform:uppercase;letter-spacing:.04em;border-radius:10px;align-items:center;padding:2px 8px;font-size:11px;font-weight:700;display:inline-flex}.vip-silver{color:#333;background:linear-gradient(135deg,silver,#e8e8e8,#a8a8a8);border:1px solid #bbb}.vip-gold{color:#78350f;background:linear-gradient(135deg,#f59e0b,#fde68a,#d97706);border:1px solid #d97706}.vip-gift-expanded{flex-direction:column;align-items:flex-start;gap:2px;min-width:160px;display:flex}.sub-page{background:var(--bg-secondary);flex-direction:column;min-height:100vh;display:flex}.sub-header{background:var(--bg-primary);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;padding:14px 24px;display:flex;position:-webkit-sticky;position:sticky;top:0}.sub-header h1{color:var(--text-primary);margin:0;font-size:18px;font-weight:700}.sub-back-btn{cursor:pointer;color:var(--btn-primary-bg);background:0 0;border:none;padding:0;font-size:14px;font-weight:500}.sub-back-btn:hover{text-decoration:underline}.sub-content{width:100%;max-width:960px;margin:0 auto;padding:32px 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20px}.wo-row{grid-template-columns:1fr}.wo-demo-box{max-height:140px}.wo-cards-grid,.wo-tools-grid,.wo-menu-grid{grid-template-columns:1fr}.wo-footer{flex-direction:column;align-items:stretch;gap:10px}.wo-ok-btn{text-align:center}}.App{background:var(--bg-secondary);flex-direction:column;height:100vh;display:flex;overflow:hidden}.toolbar{background:var(--bg-primary);border-bottom:1px solid var(--border-color);z-index:10200;flex-shrink:0;align-items:center;gap:8px;min-height:50px;padding:8px 12px;display:flex;position:relative}.toolbar-brand{border-right:1px solid 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.dialog-success{color:#86efac;background:#14532d;border-color:#166534}.dialog-wide{width:100%;max-width:540px}.vip-badge{letter-spacing:.06em;cursor:default;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;height:24px;padding:0 10px;font-size:11px;font-weight:700;transition:transform .1s;display:inline-flex}.vip-badge:hover{transform:scale(1.05)}.vip-silver{color:#333;background:linear-gradient(135deg,silver,#e8e8e8,#a8a8a8);border:1px solid #bbb;box-shadow:0 1px 4px rgba(0,0,0,.2)}.vip-gold{color:#78350f;background:linear-gradient(135deg,#f59e0b,#fde68a,#d97706);border:1px solid #d97706;box-shadow:0 1px 4px rgba(245,158,11,.4)}.diagram-lock-badge{color:#b45309;white-space:nowrap;background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.4);border-radius:10px;padding:3px 8px;font-size:11px;font-weight:600}[data-theme=dark] 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