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var(--color-primary);--default-button-size: 2rem;--default-icon-size: 1rem;--lg-button-size: 2.25rem;--lg-icon-size: 1.125rem;--xlg-icon-size: 1.25rem;--popup-label-size: 1.25rem;--editor-container-padding: 1rem;--space-factor: .25rem;--text-primary-color: var(--color-on-surface);--color-icon-white: #ffffff;--color-primary: #6698ff;--color-primary-darker: #4a7ee6;--color-primary-darkest: #3366cc;--color-primary-light: #e6f0ff;--color-primary-light-darker: #cce0ff;--color-primary-hover: #80acff;--button-hover-bg: var(--color-surface-high);--button-active-bg: var(--color-surface-high);--button-active-border: var(--color-brand-active);--color-gray-10: #f5f5f5;--color-gray-20: #ebebeb;--color-gray-30: #d6d6d6;--color-gray-40: #b8b8b8;--color-gray-50: #999999;--color-gray-60: #7a7a7a;--color-gray-70: #5c5c5c;--color-gray-80: #3d3d3d;--color-gray-85: #242424;--color-gray-90: #1e1e1e;--color-gray-100: #121212;--color-disabled: var(--color-gray-40);--color-promo: var(--color-primary);--color-success: #268029;--color-success-lighter: #cafccc;--border-radius-sm: .25rem;--border-radius-md: .375rem;--border-radius-lg: .5rem;--color-surface-high: hsl(220, 100%, 97%);--color-surface-mid: hsl(220 25% 96%);--color-surface-low: hsl(220 25% 94%);--color-surface-lowest: #ffffff;--color-on-surface: #666666;--color-brand-hover: #6698ff;--color-on-primary-container: #6698ff;--color-surface-primary-container: rgba(102, 152, 255, .1);--color-brand-active: #6698ff;--color-border-outline: #767680;--color-border-outline-variant: #c5c5d0;--default-border-color: var(--color-surface-high)}@media screen and (min-device-width:1921px){.drawnix{--lg-button-size: 2.5rem;--lg-icon-size: 1.25rem;--default-button-size: 2.25rem;--default-icon-size: 1.25rem}}.drawnix{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Noto Sans,Noto Sans CJK SC,Microsoft Yahei,Hiragino Sans GB,Arial,sans-serif}.drawnix .pencil-mode-toolbar{position:absolute;top:82px;left:0}.drawnix .pencil-mode-toolbar .tool-icon__icon{width:auto;padding:0 8px;background-color:var(--color-surface-mid)}.drawnix .draw-toolbar{cursor:default;position:absolute;top:36px;left:50%;transform:translate(-50%)}.drawnix--mobile.drawnix .draw-toolbar{top:20px}.drawnix .zoom-toolbar{cursor:default;position:absolute;top:36px;right:36px}.drawnix--mobile.drawnix .zoom-toolbar{display:none}.drawnix .zoom-toolbar .zoom-out-button{border-top-right-radius:0!important;border-bottom-right-radius:0!important}.drawnix .zoom-toolbar .zoom-menu-trigger{width:56px;display:flex;align-items:center;justify-content:center;color:var(--color-on-surface);border-radius:var(--border-radius-sm);cursor:pointer}.drawnix .zoom-toolbar .zoom-menu-trigger:hover,.drawnix .zoom-toolbar .zoom-menu-trigger.active{--background: var(--color-surface-primary-container);background-color:var(--background)}.drawnix .zoom-toolbar .zoom-in-button{color:var(--color-on-surface);border-top-left-radius:0!important;border-bottom-left-radius:0!important}.drawnix .app-toolbar{position:absolute;top:36px;left:36px}.drawnix--mobile.drawnix .app-toolbar{bottom:20px;top:auto;width:86%;left:50%;transform:translate(-50%)}.drawnix--mobile.drawnix .app-toolbar .stack{display:flex;align-items:center;justify-content:space-between}.drawnix .theme-toolbar{position:absolute;bottom:36px;right:36px}.drawnix--mobile.drawnix .theme-toolbar{display:none}.drawnix .theme-toolbar select{width:100px;background-color:var(--color-surface-secondary-container);color:var(--color-on-surface);border-radius:var(--border-radius-sm);padding:4px 8px;cursor:pointer;border:none;outline:none;font-size:14px}.drawnix .theme-toolbar select:hover{background-color:var(--color-surface-primary-container)}.drawnix .drawnix-link,.drawnix a{text-decoration:none;color:var(--link-color);-webkit-user-select:none;user-select:none;cursor:pointer}.drawnix .drawnix-link:hover,.drawnix a:hover{text-decoration:underline}.drawnix .drawnix-link:active,.drawnix a:active{text-decoration:none}.drawnix .a{font-weight:500;text-decoration:none;color:var(--link-color);-webkit-user-select:none;user-select:none;cursor:pointer}.drawnix textarea{outline:none}.drawnix textarea:hover,.drawnix textarea:focus{border:1px solid var(--color-primary)}.drawnix .drawnix-button{display:flex;justify-content:center;align-items:center;padding:.625rem;width:var(--button-width, var(--default-button-size));height:var(--button-height, var(--default-button-size));box-sizing:border-box;border:none;border-style:none;border-color:var(--button-border, var(--default-border-color));border-radius:var(--border-radius-lg);cursor:pointer;background-color:var(--button-bg, var(--island-bg-color));color:var(--icon-fill-color);font-family:var(--ui-font)}.drawnix .drawnix-button svg{width:var(--button-width, var(--lg-icon-size));height:var(--button-height, var(--lg-icon-size))}.drawnix .drawnix-button:hover{background-color:var(--button-hover-bg, var(--island-bg-color));border-color:var(--button-hover-border, var(--button-border, var(--default-border-color)))}.drawnix .drawnix-button:active{background-color:var(--button-active-bg, var(--island-bg-color));border-color:var(--button-active-border, var(--color-primary-darkest))}.drawnix .drawnix-button.active{background-color:var(--button-selected-bg, var(--color-surface-primary-container));border-color:var(--button-selected-border, var(--color-surface-primary-container))}.drawnix .drawnix-button.active:hover{background-color:var(--button-selected-hover-bg, var(--color-surface-primary-container))}.drawnix .drawnix-button.active svg{color:var(--button-color, var(--color-on-primary-container))}.drawnix [plait-mindmap=true] img.image-origin--focus:hover{cursor:zoom-in}.drawnix .laser-pointer{background:transparent;position:fixed;left:0;top:0;z-index:2022;width:100vw;height:100vh}.drawnix .laser-pointer.mouse-course-hidden{pointer-events:none}.drawnix--readonly .plait-board-container .mind-node-extend-handle,.drawnix--readonly .plait-board-container .extend-handle,.drawnix--readonly .plait-board-container .quick-insert,.drawnix--readonly .plait-board-container .quick-insert-g,.drawnix--readonly .plait-board-container [class*=extend],.drawnix--readonly .plait-board-container [class*=quick-insert]{display:none!important;pointer-events:none!important}.drawnix--readonly .plait-board-container .resize-handle,.drawnix--readonly .plait-board-container .selection-rectangle,.drawnix--readonly .plait-board-container .active-handle{display:none!important}.drawnix--readonly .plait-board-container .slate-editable-container{pointer-events:none!important}.drawnix--readonly .plait-board-container .popup-toolbar,.drawnix--readonly .plait-board-container .context-menu{display:none!important}.drawnix--readonly .board-host-svg g[plait-mind] .mind-node-extend-handle,.drawnix--readonly .board-host-svg g[plait-mind] .extend-handle{display:none!important}.plait-board-container.pointer-eraser .board-host-svg{cursor:url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAiIGhlaWdodD0iMjAiIHZpZXdCb3g9IjAgMCAyMCAyMCIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPGNpcmNsZSBjeD0iMTAiIGN5PSIxMCIgcj0iNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjNjY2IiBzdHJva2Utd2lkdGg9IjEuNSIvPgo8L3N2Zz4=) 10 10,crosshair!important}.plait-board-container .slate-editable-container{cursor:inherit!important}.Dialog-overlay{background:#12121233;display:grid;place-items:center}.Dialog{margin:15px;background-color:#fff;padding:15px;border-radius:4px}.drawnix .dialog-mermaid-title{margin-block:.25rem;font-size:1.25rem;font-weight:700;padding-inline:2.5rem}:export{themeFilter:invert(93%) hue-rotate(180deg);rightSidebarWidth:302px}.drawnix .Dialog.ttd-dialog{padding:1.25rem;display:flex;flex-direction:column;width:100%;max-width:1024px;height:100%;max-height:540px}.drawnix .Dialog.ttd-dialog.Dialog--fullscreen{margin-top:0}.drawnix .Dialog.ttd-dialog .Island{padding-inline:0!important;height:100%;display:flex;flex-direction:column;flex:1 1 auto;box-shadow:none}.drawnix .Dialog.ttd-dialog .Modal__content{height:auto;max-height:100%}@media screen and (min-width:861px){.drawnix .Dialog.ttd-dialog .Modal__content{max-height:750px;height:100%}}.drawnix .Dialog.ttd-dialog .Dialog__content{flex:1 1 auto}.drawnix .ttd-dialog-desc{font-size:15px;font-style:italic;font-weight:500;margin-bottom:1.5rem}.drawnix .ttd-dialog-tabs-root{width:100%;height:100%;display:flex;flex-direction:column}.drawnix .ttd-dialog-tab-trigger{color:var(--color-on-surface);font-size:.875rem;margin:0;padding:0 1rem;background-color:transparent;border:0;height:2.875rem;font-weight:600;font-family:inherit;letter-spacing:.4px}.drawnix .ttd-dialog-tab-trigger[data-state=active]{border-bottom:2px solid var(--color-primary)}.drawnix .ttd-dialog-triggers{border-bottom:1px solid var(--color-surface-high);margin-bottom:1.5rem;padding-inline:2.5rem}.drawnix .ttd-dialog-content{padding-inline:2.5rem;height:100%;display:flex;flex-direction:column}.drawnix .ttd-dialog-content[hidden]{display:none}.drawnix .ttd-dialog-input{width:auto;height:10rem;resize:none;border-radius:var(--border-radius-lg);border:1px solid var(--dialog-border-color);white-space:pre-wrap;padding:.85rem;box-sizing:border-box;font-family:monospace}@media screen and (min-width:861px){.drawnix .ttd-dialog-input{width:100%;height:100%}}.drawnix .ttd-dialog-output-wrapper{display:flex;align-items:center;justify-content:center;padding:.85rem;box-sizing:border-box;flex-grow:1;position:relative;border-radius:var(--border-radius-lg);border:1px solid var(--dialog-border-color);height:400px;width:auto}@media screen and (min-width:861px){.drawnix .ttd-dialog-output-wrapper{width:100%;height:200px}}.drawnix .ttd-dialog-output-wrapper canvas{max-width:100%;max-height:100%}.drawnix .ttd-dialog-output-canvas-container{display:flex;width:100%;height:100%;align-items:center;justify-content:center;flex-grow:1;overflow:hidden}.drawnix .ttd-dialog-output-error{color:red;font-weight:700;font-size:30px;word-break:break-word;overflow:auto;max-height:100%;height:100%;width:100%;text-align:center;position:absolute;z-index:10}.drawnix .ttd-dialog-output-error p{font-weight:500;font-family:Cascadia;text-align:left;white-space:pre-wrap;font-size:.875rem;padding:0 10px}.drawnix .ttd-dialog-panels{height:100%}@media screen and (min-width:861px){.drawnix .ttd-dialog-panels{display:grid;grid-template-columns:1fr 1fr;gap:4rem}}.drawnix .ttd-dialog-panel{display:flex;flex-direction:column;width:100%}.drawnix .ttd-dialog-panel__header{display:flex;margin:0 4px 4px;align-items:center;gap:1rem}.drawnix .ttd-dialog-panel__header label{font-size:14px;font-style:normal;font-weight:600}.drawnix .ttd-dialog-panel:first-child .ttd-dialog-panel-button-container:not(.invisible){margin-bottom:4rem}@media screen and (min-width:861px){.drawnix .ttd-dialog-panel .ttd-dialog-panel-button-container:not(.invisible){margin-bottom:.5rem!important}}.drawnix .ttd-dialog-panel textarea{height:100%;resize:none;border-radius:var(--border-radius-lg);border:1px solid var(--dialog-border-color);white-space:pre-wrap;padding:.85rem;box-sizing:border-box;width:100%;font-family:monospace}@media screen and (max-width:861px){.drawnix .ttd-dialog-panel textarea{width:auto;height:10rem}}.drawnix .ttd-dialog-panel-button-container{margin-top:1rem;margin-bottom:.5rem}.drawnix .ttd-dialog-panel-button-container.invisible .ttd-dialog-panel-button{display:none}@media screen and (min-width:861px){.drawnix .ttd-dialog-panel-button-container.invisible .ttd-dialog-panel-button{display:block;visibility:hidden}}.drawnix .ttd-dialog-panel-button{position:relative}.drawnix .ttd-dialog-panel-button.drawnix-button{font-family:inherit;font-weight:600;height:2.5rem;font-size:12px;color:#fff;background-color:var(--color-primary);width:100%}.drawnix .ttd-dialog-panel-button.drawnix-button:hover{background-color:var(--color-primary-darker)}.drawnix .ttd-dialog-panel-button.drawnix-button:active{background-color:var(--color-primary-darkest)}.drawnix .ttd-dialog-panel-button.drawnix-button:disabled{opacity:.5;cursor:not-allowed}.drawnix .ttd-dialog-panel-button.drawnix-button:disabled:hover{background-color:var(--color-primary)}@media screen and (min-width:861px){.drawnix .ttd-dialog-panel-button.drawnix-button{width:auto;min-width:7.5rem}}.drawnix.theme--dark.drawnix .ttd-dialog-panel-button.drawnix-button{color:var(--color-gray-100)}.drawnix .ttd-dialog-panel-button div{display:contents}.drawnix .ttd-dialog-panel-button div.invisible{visibility:hidden}.drawnix .ttd-dialog-panel-button div.Spinner{display:flex!important;position:absolute;top:0;right:0;bottom:0;left:0;--spinner-color: white}.drawnix.theme--dark.drawnix .ttd-dialog-panel-button div.Spinner{--spinner-color: var(--color-gray-100)}.drawnix .ttd-dialog-panel-button div span{padding-left:.5rem;display:flex}.drawnix .ttd-dialog-submit-shortcut{margin-inline-start:.5rem;font-size:.625rem;opacity:.6;display:flex;gap:.125rem}.drawnix .ttd-dialog-submit-shortcut__key{border:1px solid gray;padding:2px 3px;border-radius:4px}.clean-confirm{background:#fff;border-radius:8px;padding:20px;width:300px}.clean-confirm__title{font-size:18px;font-weight:500;margin:0 0 8px}.clean-confirm__description{color:#666;font-size:14px;margin:0 0 20px}.clean-confirm__actions{display:flex;justify-content:flex-end;gap:8px}.clean-confirm__button{padding:8px 16px;border-radius:6px;font-size:14px;cursor:pointer;border:none}.clean-confirm__button--cancel{background:#f5f5f5;color:#000}.clean-confirm__button--cancel:hover{background:#e8e8e8}.clean-confirm__button--ok{background:#fff;color:#ff4d4f;border:1px solid #ff4d4f}.clean-confirm__button--ok:hover{color:#fff;background:#ff4d4f}.drawnix .link-popup{padding-left:8px}.drawnix .link-popup__link{font-size:14px}.drawnix .link-popup .link-popup__link{display:inline-block;width:18rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.drawnix .link-popup__input{padding:10px 0;width:328px;border:none;border-radius:4px;font-size:14px;outline:none}.drawnix-tutorial{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Noto Sans,Noto Sans CJK SC,Microsoft Yahei,Hiragino Sans GB,Arial,sans-serif;position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;background-color:transparent}.drawnix-tutorial p{margin:0;font-size:14px;color:#888;line-height:1.5}.drawnix-tutorial .tutorial-overlay{position:absolute;width:100%;height:100%;pointer-events:none;display:flex;justify-content:center;align-items:center}.drawnix-tutorial .tutorial-content{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}.drawnix-tutorial .brand-title{font-size:72px;font-weight:400;color:#333;letter-spacing:2px;margin:0 0 25px}.drawnix-tutorial .brand-description{font-size:18px;color:#333;text-align:center;max-width:600px;line-height:1.6;font-style:italic;margin-bottom:25px}.drawnix-tutorial .brand-tooltip{color:#888;text-align:center;max-width:600px;line-height:1.6;margin-bottom:40px}.drawnix-tutorial .feature-pointer{position:absolute}.drawnix-tutorial .top-left{position:absolute;top:100px;left:60px}.drawnix-tutorial .top-left .pointer-content{position:absolute;top:100px;width:100%;text-align:center;left:20px}.drawnix-tutorial .top-center{top:100px;left:50%;width:200px;transform:translate(-50%)}.drawnix-tutorial .top-center .pointer-content{position:absolute;width:100%;top:50px;left:60px}.drawnix-tutorial .bottom-right{bottom:70px;right:40px}.drawnix-tutorial .bottom-right .pointer-content{position:absolute;top:-30px;right:80px;width:100%}@media screen and (max-width:768px){.drawnix-tutorial .tutorial-content{width:95%;height:95%}.drawnix-tutorial .feature-pointer{display:none}}.board-editor-container{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}.board-editor-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh}.board-editor-loading .loading-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #007bff;border-radius:50%;animation:spin 1s linear infinite}.board-editor-loading p{margin-top:1rem;color:#666}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.board-editor-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#fff;border-bottom:1px solid #e9ecef;z-index:100}.board-editor-title{display:flex;align-items:center;gap:1rem}.breadcrumbs{display:flex;align-items:center;gap:.5rem;font-size:.9rem}.breadcrumb-link{background:none;border:none;color:#007bff;cursor:pointer;padding:.25rem .5rem;border-radius:4px;transition:background .2s;font-size:.9rem}.breadcrumb-link:hover{background:#e7f3ff;text-decoration:underline}.breadcrumb-separator{color:#999}.breadcrumb-current{color:#333;font-weight:500}.board-editor-controls{display:flex;align-items:center;gap:1rem}.sync-status{padding:.5rem 1rem;border-radius:4px;font-size:.875rem;font-weight:500}.sync-status.sync-status-syncing{background:#fff3cd;color:#856404}.sync-status.sync-status-synced{background:#d4edda;color:#155724}.sync-status.sync-status-error{background:#f8d7da;color:#721c24}.sync-status.sync-status-idle{background:#e2e3e5;color:#383d41}.user-menu{display:flex;align-items:center;gap:1rem}.btn-share,.btn-login,.btn-logout{padding:.5rem 1rem;border:none;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .2s}.btn-share{background:#007bff;color:#fff}.btn-share:hover{background:#0056b3}.btn-login{background:#28a745;color:#fff}.btn-login:hover{background:#218838}.btn-logout{background:#dc3545;color:#fff}.btn-logout:hover{background:#c82333}.username{font-size:.9rem;color:#495057;font-weight:500}.board-editor-content{flex:1;overflow:hidden;position:relative}.auth-required-message{display:flex;align-items:center;justify-content:center;height:100%;background:#f8f9fa}.auth-required-message .message-content{text-align:center;padding:2rem}.auth-required-message .message-content h2{font-size:2rem;color:#333;margin-bottom:1rem}.auth-required-message .message-content p{font-size:1.1rem;color:#666;margin-bottom:2rem}.btn-auth-required{padding:1rem 2rem;background:#007bff;color:#fff;border:none;border-radius:6px;font-size:1.1rem;font-weight:500;cursor:pointer;transition:background .2s}.btn-auth-required:hover{background:#0056b3}.admin-dashboard{height:100vh;background:#fafbfc;padding:0;padding-bottom:3rem;overflow-y:auto;overflow-x:hidden}.landing-bg-decoration{position:fixed;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:0;pointer-events:none}.decoration-grid{position:absolute;top:0;left:0;width:100%;height:600px;background-image:linear-gradient(rgba(59,130,246,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.03) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:linear-gradient(to bottom,#00000080,#0000);mask-image:linear-gradient(to bottom,#00000080,#0000)}.decoration-gradient{position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,.08) 0%,transparent 70%);border-radius:50%}.admin-header{background:#fff;box-shadow:0 2px 8px #0000000d;padding:2rem 3rem;position:sticky;top:0;z-index:100}.admin-header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.admin-logo{display:flex;align-items:center;gap:1rem}.admin-logo svg{flex-shrink:0}.admin-logo h1{margin:0;font-size:32px;font-weight:800;color:#1e293b}.btn-back{padding:12px 24px;background:#1e293b;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-back:hover{background:#334155}.admin-tabs{max-width:1400px;margin:2rem auto;padding:0 3rem;display:flex;gap:1rem;position:relative;z-index:1}.admin-tab{padding:12px 24px;background:#fff;border:2px solid transparent;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;color:#64748b}.admin-tab:hover{background:#f8fafc;border-color:#e2e8f0}.admin-tab.active{background:#1e293b;color:#fff}.admin-content{max-width:1400px;margin:0 auto;padding:0 3rem 3rem;position:relative;z-index:1}.admin-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:18px;color:#64748b}.admin-error{max-width:1400px;margin:2rem auto;padding:1rem 3rem;background:#fee;color:#c33;border-radius:12px;font-weight:500}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.stat-card{background:#fff;border-radius:16px;padding:2rem;border:1px solid #E2E8F0;transition:all .3s ease}.stat-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px #0000000f;border-color:#3b82f64d}.stat-card-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;margin-bottom:1.25rem;background:#3b82f614;color:#3b82f6}.stat-card-primary .stat-card-icon{background:#3b82f614;color:#3b82f6}.stat-card-success .stat-card-icon{background:#10b98114;color:#10b981}.stat-card-info .stat-card-icon{background:#8b5cf614;color:#8b5cf6}.stat-card h3{margin:0 0 .5rem;font-size:13px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.5px}.stat-card .stat-value{font-size:42px;font-weight:700;color:#1e293b;line-height:1;margin-bottom:.75rem;letter-spacing:-.02em}.stat-card .stat-trend{display:inline-flex;align-items:center;gap:.375rem;font-size:13px;font-weight:500;color:#64748b}.stat-card .stat-trend svg{width:14px;height:14px}.stat-card .stat-trend.positive{color:#10b981}.stat-card .stat-trend.negative{color:#ef4444}.stat-card .stat-trend.negative svg{transform:rotate(180deg)}.stat-card .stat-trend.neutral{color:#64748b}.charts-section{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:2rem}.chart-card{background:#fff;border-radius:16px;border:1px solid #E2E8F0;overflow:hidden;transition:all .3s ease}.chart-card:hover{border-color:#3b82f64d;box-shadow:0 8px 30px #0000000f}.chart-card-header{padding:1.5rem 1.5rem 0}.chart-card-header h3{margin:0 0 .375rem;font-size:16px;font-weight:600;color:#1e293b}.chart-card-header p{margin:0;font-size:13px;color:#64748b}.chart-card-wide{grid-column:1/-1}.chart-container{padding:1.5rem}.chart-container .recharts-cartesian-grid-horizontal line,.chart-container .recharts-cartesian-grid-vertical line{stroke:#f1f5f9}.chart-container .recharts-legend-item-text{color:#64748b!important;font-size:13px}.chart-container .recharts-tooltip-wrapper{outline:none}@media(max-width:1024px){.charts-section{grid-template-columns:1fr}.chart-card-wide{grid-column:1}}.admin-table-container{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;overflow:hidden}.admin-table{width:100%;border-collapse:collapse}.admin-table thead{background:#1e293b}.admin-table thead tr th{padding:1rem 1.5rem;text-align:left;font-size:14px;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:.5px}.admin-table tbody tr{border-bottom:1px solid #e2e8f0;transition:background .2s ease}.admin-table tbody tr:hover{background:#f8fafc}.admin-table tbody tr:last-child{border-bottom:none}.admin-table tbody tr td{padding:1rem 1.5rem;font-size:14px;color:#334155}.role-badge{display:inline-block;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.role-badge.admin{background:#1e293b;color:#fff}.role-badge.user{background:#e2e8f0;color:#475569}.owner-info{display:flex;flex-direction:column;gap:4px}.owner-info .owner-email{font-size:12px;color:#64748b}.btn-delete{padding:8px 16px;background:#dc2626;color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-delete:hover:not(:disabled){background:#b91c1c}.btn-delete:disabled{opacity:.5;cursor:not-allowed}@media(max-width:1024px){.admin-header,.admin-tabs,.admin-content{padding-left:1.5rem;padding-right:1.5rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}@media(max-width:768px){.admin-header-content{flex-direction:column;gap:1rem;align-items:flex-start}.admin-header-content h1{font-size:24px}.admin-tabs{flex-direction:column}.stats-grid{grid-template-columns:1fr}.admin-table-container{overflow-x:auto}.admin-table{min-width:800px}}.app-container{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background-color:#fff;border-bottom:1px solid #e0e0e0;box-shadow:0 1px 3px #0000000d;z-index:100}.app-header .app-title{font-size:18px;font-weight:600;color:#333}.app-header .app-controls{display:flex;align-items:center;gap:16px}.app-header .sync-status{font-size:13px;padding:4px 10px;border-radius:12px;display:flex;align-items:center;gap:4px}.app-header .sync-status.sync-status-idle{background-color:#f5f5f5;color:#666}.app-header .sync-status.sync-status-syncing{background-color:#e3f2fd;color:#1976d2}.app-header .sync-status.sync-status-synced{background-color:#e8f5e9;color:#388e3c}.app-header .sync-status.sync-status-error{background-color:#ffebee;color:#c62828}.app-header .user-menu{display:flex;align-items:center;gap:12px}.app-header .user-menu .username{font-size:14px;color:#666;font-weight:500}.app-header .btn-login,.app-header .btn-logout,.app-header .btn-share{padding:8px 16px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.app-header .btn-login{background-color:#4a9eff;color:#fff}.app-header .btn-login:hover{background-color:#3a8eef}.app-header .btn-share{background-color:#4a9eff;color:#fff}.app-header .btn-share:hover{background-color:#3a8eef}.app-header .btn-logout{background-color:#f5f5f5;color:#666}.app-header .btn-logout:hover{background-color:#e0e0e0;color:#333}.board-container{flex:1;overflow:hidden;position:relative}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;width:100vw;background-color:#fafafa}.app-loading .loading-spinner{width:50px;height:50px;border:4px solid #e0e0e0;border-top-color:#4a9eff;border-radius:50%;animation:spin .8s linear infinite}.app-loading p{margin-top:16px;color:#666;font-size:14px}@keyframes spin{to{transform:rotate(360deg)}}.auth-required-message{display:flex;align-items:center;justify-content:center;height:100%;width:100%;background:#1e293b}.auth-required-message .message-content{text-align:center;background:#fff;padding:48px 64px;border-radius:12px;box-shadow:0 10px 40px #00000026;max-width:500px}.auth-required-message .message-content h2{font-size:32px;font-weight:700;color:#1e293b;margin:0 0 16px}.auth-required-message .message-content p{font-size:16px;color:#64748b;margin:0 0 32px;line-height:1.6}.auth-required-message .message-content .btn-auth-required{padding:14px 32px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;background-color:#1e293b;color:#fff;transition:all .2s ease}.auth-required-message .message-content .btn-auth-required:hover{background-color:#334155}.auth-required-message .message-content .btn-auth-required:active{background-color:#475569}