:root{--color-gray-50: #fafafa;--color-gray-100: #f5f5f5;--color-gray-200: #e5e5e5;--color-gray-300: #d4d4d4;--color-gray-400: #a3a3a3;--color-gray-500: #737373;--color-gray-600: #525252;--color-gray-700: #404040;--color-gray-800: #262626;--color-gray-900: #171717;--color-canvas: #ffffff;--color-surface: var(--color-gray-50);--color-surface-elevated: #ffffff;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-focus: #3b82f6;--color-destructive: #dc2626;--color-destructive-bg: #fff5f5;--color-success: #16a34a;--color-warning: #ea580c;--color-role-admin: #00aacc;--color-role-owner: #aa00ff;--color-markup-default: #ec4899;--color-markup-selected: #f97316;--text-primary: var(--color-gray-800);--text-secondary: var(--color-gray-600);--text-tertiary: var(--color-gray-500);--text-disabled: var(--color-gray-400);--border-light: var(--color-gray-200);--border-medium: var(--color-gray-300);--ui-canvas: var(--color-canvas);--ui-panel-bg: var(--color-surface);--ui-surface: var(--color-surface-elevated);--ui-content: var(--color-surface-elevated);--ui-primary: var(--color-primary);--ui-focus: var(--color-focus);--ui-destructive: var(--color-destructive);--ui-border: var(--border-medium);--markup-default: var(--color-markup-default);--markup-selected: var(--color-markup-selected);--grid-alt-row: var(--color-gray-50);--grid-header: var(--color-gray-100);--color-error: var(--color-destructive);--color-success: var(--color-success);--color-warning: var(--color-warning);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Courier New", monospace;--text-xs: 1.2rem;--text-sm: 1.3rem;--text-base: 1.4rem;--text-lg: 1.6rem;--text-xl: 1.8rem;--text-2xl: 2.4rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.75;--space-0: 0;--space-1: .4rem;--space-2: .8rem;--space-3: 1.2rem;--space-4: 1.6rem;--space-6: 2.4rem;--space-8: 3.2rem;--space-12: 4.8rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--sidebar-width: 220px;--toolbar-width: 60px;--header-height: 60px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--transition-duration: .3s;--transition-easing: cubic-bezier(.4, 0, .2, 1);--button-shadow-inset: inset 0 1px 2px rgba(0, 0, 0, .05);--button-shadow-outset: 0 1px 3px rgba(0, 0, 0, .1);--button-bevel: linear-gradient(180deg, rgba(255, 255, 255, .1) 0%, rgba(0, 0, 0, .05) 100%)}*{box-sizing:border-box}html{font-size:62.5%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{height:100%;margin:0;padding:0}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--text-primary);background:var(--color-canvas)}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{margin:0 0 1rem;font-weight:600;line-height:1.2;color:var(--ui-text)}h1{font-size:3.2rem}h2{font-size:2.4rem}h3{font-size:1.8rem}h4{font-size:1.6rem}h5{font-size:1.4rem}h6{font-size:1.2rem}p{margin:0 0 1rem}a{color:var(--ui-accent);text-decoration:none}a:hover{text-decoration:underline}.text-center{text-align:center}.text-muted{color:var(--text-tertiary)}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mb-1{margin-bottom:1rem}.mb-2{margin-bottom:2rem}.app{min-height:100vh;display:flex;flex-direction:column}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1.5rem}.loading-spinner{width:48px;height:48px;border:4px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.main-app{flex:1;display:flex;flex-direction:column;background:var(--ui-bg)}.main-header{background:var(--ui-surface);border-bottom:2px solid var(--ui-border);padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #00000080}.main-header h1{font-size:2rem;margin:0;line-height:1;color:var(--ui-text)}.main-content{flex:1;display:flex;background:var(--ui-bg)}@media(min-width:768px){.sidebar-left{width:var(--sidebar-width);background:var(--ui-surface);border-right:2px solid var(--ui-border);display:flex;flex-direction:column;transition:width var(--transition-duration) var(--transition-easing);overflow:hidden}.main-panel{flex:1;overflow:auto}}@media(max-width:767px){.sidebar-left{position:fixed;top:0;left:0;width:100%;height:100%;transform:translate(-100%);transition:transform var(--transition-duration) var(--transition-easing);z-index:999}.sidebar-left.open{transform:translate(0)}.hamburger-button{display:flex;flex-direction:column;gap:4px;min-height:40px;width:40px;padding:8px;justify-content:center;align-items:center}.hamburger-button span{display:block;width:20px;height:2px;background:currentColor;transition:all .2s ease}}.empty-state{padding:3rem;color:var(--text-tertiary);text-align:center}.auth-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:2rem;background-color:var(--ui-bg)}.auth-container{background:var(--ui-surface);padding:3rem;border-radius:0;border:1px solid var(--ui-border);box-shadow:var(--button-shadow-outset);width:100%;max-width:400px}.auth-container h2{text-align:center;margin-bottom:2rem;color:var(--ui-text)}.auth-container .button-primary{width:100%;margin-top:1rem}.auth-error{background-color:#ff444426;color:var(--color-error);border:1px solid var(--color-error);padding:1rem;border-radius:0;margin-bottom:1.5rem;font-size:1.4rem;text-align:center}.auth-switch{text-align:center;margin-top:2rem;font-size:1.4rem;color:var(--text-tertiary)}.auth-switch a{color:var(--ui-accent)}.dashboard-toolbar{display:flex;flex-direction:column;gap:1rem;padding:1rem;background:var(--ui-surface);border-bottom:1px solid var(--ui-border);overflow-y:auto;flex:1}.dashboard-toolbar h2{margin:0;font-size:1.6rem;color:var(--ui-text);padding-bottom:1rem;border-bottom:1px solid var(--ui-border)}.project-list{display:flex;flex-direction:column;gap:.5rem;flex:1;overflow-y:auto}.project-chip{background:#ffffff0d;border:1px solid var(--ui-border);border-radius:0;padding:1rem;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;gap:.8rem;font-size:1.4rem;color:var(--ui-text)}.project-chip:hover{border-color:var(--ui-accent);background:#00aaff1a}.project-chip.selected{border-color:var(--ui-accent);background:#0af3;box-shadow:inset 2px 0 0 var(--ui-accent)}.project-chip-status{width:8px;height:8px;border-radius:50%;flex-shrink:0}.project-chip-status.active{background-color:var(--color-success)}.project-chip-status.archived{background-color:var(--color-gray-600)}.project-chip-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-detail{padding:2rem;background:var(--ui-surface);border:1px solid var(--ui-border)}.project-detail h3{margin-top:0;color:var(--ui-text)}button,.button{display:inline-block;min-height:40px;padding:0 1.2rem;color:var(--text-primary);text-align:center;font-size:1.3rem;font-weight:600;line-height:38px;text-decoration:none;white-space:nowrap;background:var(--ui-content);border:1px solid var(--ui-border);border-radius:4px;cursor:pointer;box-shadow:0 1px 2px #0000000d;transition:all .15s ease;font-family:inherit}button:hover,.button:hover{background:#0aa9ff0d;border-color:var(--ui-focus);box-shadow:0 2px 4px #00000014}button:active,.button:active{background:#0aa9ff1a;transform:translateY(1px);box-shadow:inset 0 1px 2px #0000001a}.button-primary{background:var(--ui-primary);border-color:var(--ui-primary);color:#fff}.button-primary:hover{background:#17966e;border-color:#17966e;box-shadow:0 2px 4px #1fad834d}.button-primary:active{background:#127f5d;border-color:#127f5d}.button-danger{background:#fff;border-color:var(--color-destructive);color:var(--color-destructive)}.button-danger:hover{background:var(--color-destructive);border-color:var(--color-destructive);color:#fff;box-shadow:0 2px 4px #dc26264d}.button-danger:active{background:#b91c1c;border-color:#b91c1c;color:#fff}@media(hover:none)and (pointer:coarse){button,.button{min-height:48px}.button-small{min-height:44px}.keyboard-hint{display:none!important}}.button-danger:disabled{opacity:.5;cursor:not-allowed;background:#fff;color:var(--color-destructive);border-color:var(--color-destructive)}.action-buttons{display:flex;gap:var(--space-2);align-items:center;justify-content:flex-end}.action-buttons button{white-space:nowrap;padding:4px 12px;font-size:var(--text-sm, .875rem)}.action-buttons-mobile{flex-direction:column;gap:var(--space-1)}.action-buttons-mobile button{width:100%}.button-small{min-height:32px;padding:0 12px;font-size:1.1rem;line-height:30px}.button-toolbar{width:100%;padding:var(--space-2) var(--space-1);font-size:var(--text-xs);line-height:var(--leading-tight);min-height:32px}.button-toolbar.button-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}button:disabled,.button:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}input[type=email],input[type=number],input[type=search],input[type=text],input[type=tel],input[type=url],input[type=password],textarea,select{height:30px;padding:6px 10px;background-color:var(--ui-surface);border:1px solid var(--ui-border);border-radius:0;color:var(--ui-text);font-family:inherit;font-size:1.4rem;outline:none}input[type=email]:focus,input[type=number]:focus,input[type=search]:focus,input[type=text]:focus,input[type=tel]:focus,input[type=url]:focus,input[type=password]:focus,textarea:focus,select:focus{border-color:var(--ui-accent);box-shadow:0 0 0 1px var(--ui-accent)}textarea{min-height:80px;padding-top:8px;padding-bottom:8px}label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--ui-text);font-size:1.3rem}fieldset{padding:0;border:none;margin:0}.form-error{color:var(--color-error);font-size:1.2rem;margin-top:.5rem}label.required:after{content:" *";color:var(--color-error)}table{width:100%;border-collapse:collapse;margin-bottom:2rem}th,td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--ui-border)}th{font-weight:600;background:var(--ui-surface);color:var(--ui-text);text-transform:uppercase;font-size:1.2rem;letter-spacing:.05em}tbody tr:hover{background:#00aaff0d}.permissions-list table{margin-bottom:0}.permissions-list td,.permissions-list th{vertical-align:middle}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--ui-surface);padding:2rem;border-radius:0;border:2px solid var(--ui-border);width:100%;max-width:450px;box-shadow:0 8px 32px #000c;max-height:90vh;overflow-y:auto}.modal-content h3{margin-top:0;margin-bottom:1.5rem;color:var(--ui-text)}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:2rem}.document-upload{margin-bottom:1.5rem}.upload-zone{border:2px dashed var(--ui-border);border-radius:0;padding:2rem;text-align:center;cursor:pointer;transition:all .2s ease;background:#ffffff05}.upload-zone:hover{border-color:var(--ui-accent);background:#00aaff0d}.upload-zone--active{border-color:var(--ui-accent);background:#00aaff1a}.upload-zone--uploading{cursor:default;opacity:.7}.upload-zone p{margin:.5rem 0;color:var(--ui-text)}.upload-icon{font-size:2.5rem;margin-bottom:.5rem}.upload-progress{display:flex;align-items:center;justify-content:center;gap:1rem}.upload-error{margin-top:1rem;color:var(--color-error)}.document-list{display:flex;flex-direction:column;gap:.5rem}.document-item{display:flex;align-items:center;justify-content:space-between;padding:1rem;background:#ffffff0d;border:1px solid var(--ui-border);border-radius:0;transition:all .15s ease;cursor:pointer}.document-item:hover{border-color:var(--ui-accent);background:#00aaff1a}.document-item.selected{border-color:var(--ui-accent);background:#0af3;box-shadow:inset 2px 0 0 var(--ui-accent)}.document-info{flex:1;min-width:0}.document-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ui-text)}.document-meta{font-size:1.2rem;margin-top:.25rem;color:var(--text-tertiary)}.role-badge{display:inline-block;padding:.4rem .8rem;border-radius:0;border:1px solid var(--ui-border);font-size:1.1rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;background:var(--ui-surface)}.role-admin{border-color:var(--color-role-admin);color:var(--color-role-admin)}.role-editor{border-color:var(--color-success);color:var(--color-success)}.role-viewer{border-color:var(--color-warning);color:var(--color-warning)}.role-owner{border-color:var(--color-role-owner);color:var(--color-role-owner)}.viewer-title{color:var(--ui-text);margin:0}.properties-toolbar{display:flex;align-items:center;gap:1.5rem;padding:.5rem 1rem;background:var(--ui-surface);border-bottom:2px solid var(--ui-border);font-size:1.3rem;height:48px;overflow-x:auto}.properties-toolbar .toolbar-group{display:flex;align-items:center;gap:1rem;padding-right:1.5rem;border-right:1px solid var(--ui-border)}.properties-toolbar .toolbar-group:last-child{border-right:none}.properties-toolbar label{margin:0;font-weight:600;white-space:nowrap;margin-right:.5rem;display:inline-block;color:var(--ui-text);font-size:1.2rem}.properties-toolbar .color-picker{display:flex;gap:.5rem}.properties-toolbar .color-swatch{width:24px;height:24px;border-radius:0;border:2px solid var(--ui-border);cursor:pointer;padding:0;transition:all .15s ease}.properties-toolbar .color-swatch:hover{border-color:var(--ui-accent);transform:scale(1.1)}.properties-toolbar .color-swatch.active{border-color:var(--ui-accent);transform:scale(1.15);box-shadow:0 0 0 2px var(--ui-surface),0 0 0 4px var(--ui-accent)}.properties-toolbar input[type=range]{width:100px;margin:0;vertical-align:middle}.properties-toolbar textarea.compact-input,.properties-toolbar input.compact-input,input.compact-input,textarea.compact-input{height:30px;min-height:30px;padding:4px 8px;margin:0;font-size:1.2rem;line-height:20px;background:#0000004d;border-color:var(--ui-border);color:var(--ui-text)}textarea.compact-input{min-height:60px;resize:vertical}.page-indicator{display:flex;align-items:center;gap:.5rem;color:var(--ui-text)}.page-input{width:60px;padding:.25rem .5rem;font-size:1.3rem;border:1px solid var(--ui-border);border-radius:0;background:#0000004d;color:var(--ui-text);text-align:center}.zoom-indicator{min-width:4rem;text-align:center;font-size:1.3rem;color:var(--ui-text)}.viewer-loading,.viewer-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;padding:2rem;color:#fff;width:100%;height:100vh;grid-column:1 / -1;grid-row:1 / -1}.viewer-loading .loading-spinner{width:64px;height:64px;border-width:5px}.viewer-error{background:#00000080;border-radius:8px}.loading-steps{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-top:1.5rem}.loading-step-item{color:#fff6;font-size:1.1rem;font-weight:400;transition:all .3s ease}.loading-step-item.active{color:#fff;font-size:1.3rem;font-weight:500}.loading-step-item.completed{color:#fff9;text-decoration:line-through}.canvas-wrapper{position:relative;display:inline-block;box-shadow:0 4px 20px #0000004d}.pdf-canvas{display:block;background:#fff}.pdf-canvas--rendering{opacity:.7}.svg-overlay{position:absolute;top:0;left:0}