@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700;900&display=swap";:root{--font-sans:"Inter", "Noto Sans SC", sans-serif;--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-primary-light:#dbeafe;--color-slate-50:#f8fafc;--color-slate-100:#f1f5f9;--color-slate-200:#e2e8f0;--color-slate-800:#1e293b;--color-slate-900:#0f172a;--bg-theme-light:#fff;--text-theme-light:#334155;--text-heading-light:#0f172a;--border-theme-light:#e2e8f0;--accent-theme-light:#2563eb;--bg-theme-dark:#0f172a;--text-theme-dark:#cbd5e1;--text-heading-dark:#f8fafc;--border-theme-dark:#334155;--accent-theme-dark:#38bdf8;--bg-theme-gradient:linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);--text-theme-gradient:#ffffffe6;--text-heading-gradient:#fff;--border-theme-gradient:#fff3;--accent-theme-gradient:#fbbf24;--bg-theme-cyber:#09090b;--text-theme-cyber:#a1a1aa;--text-heading-cyber:#fde047;--border-theme-cyber:#eab308;--accent-theme-cyber:#22d3ee;--bg-theme-retro:#fef08a;--text-theme-retro:#451a03;--text-heading-retro:#7c2d12;--border-theme-retro:#d97706;--accent-theme-retro:#ea580c;--bg-theme-nature:#f0fdf4;--text-theme-nature:#166534;--text-heading-nature:#14532d;--border-theme-nature:#bbf7d0;--accent-theme-nature:#15803d;--bg-theme-midnight:#020617;--text-theme-midnight:#94a3b8;--text-heading-midnight:#f8fafc;--border-theme-midnight:#1e293b;--accent-theme-midnight:#3b82f6}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}*{box-sizing:border-box}.markdown-body{font-family:var(--font-sans);color:var(--text-theme-light);line-height:1.6}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{color:var(--text-heading-light);margin-top:1.5em;margin-bottom:.5em;font-weight:700;line-height:1.3}.markdown-body h1{font-size:2rem}.markdown-body h2{font-size:1.5rem}.markdown-body h3{font-size:1.25rem}.markdown-body p{margin-top:0;margin-bottom:1em}.markdown-body a{color:var(--accent-theme-light);text-decoration:none}.markdown-body ul,.markdown-body ol{margin-top:0;margin-bottom:1em;padding-left:2em}.markdown-body li{margin-top:.25em}.markdown-body li>p{margin-top:0;margin-bottom:0}.markdown-body li>p+p{margin-top:1em}.markdown-body blockquote{border-left:4px solid var(--border-theme-light);color:#64748b;background-color:var(--color-slate-50);border-radius:0 4px 4px 0;margin:0 0 1em;padding:.5em 1em}.markdown-body img{border-radius:8px;max-width:100%;height:auto;margin:1em 0;box-shadow:0 4px 6px -1px #0000001a}.markdown-body pre{background-color:var(--color-slate-900);color:var(--color-slate-50);border-radius:8px;margin-bottom:1em;padding:1em;font-family:Courier New,Courier,monospace;font-size:.9em;overflow-x:auto}.markdown-body code{background-color:var(--color-slate-100);border-radius:3px;padding:.2em .4em;font-family:Courier New,Courier,monospace;font-size:.9em}.markdown-body pre code{background-color:#0000;padding:0}.card-wrapper{letter-spacing:.02em;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;width:800px;padding:40px;transition:all .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px #00000040}.card-wrapper.ratio-9-16{width:800px}.card-wrapper.theme-light{background:var(--bg-theme-light);color:var(--text-theme-light)}.card-wrapper.theme-dark{background:var(--bg-theme-dark);color:var(--text-theme-dark)}.card-wrapper.theme-dark .markdown-body,.card-wrapper.theme-dark .markdown-body h1,.card-wrapper.theme-dark .markdown-body h2,.card-wrapper.theme-dark .markdown-body h3,.card-wrapper.theme-dark .markdown-body h4{color:var(--text-heading-dark)}.card-wrapper.theme-dark .markdown-body code{background-color:var(--color-slate-800)}.card-wrapper.theme-gradient{background:var(--bg-theme-gradient);color:var(--text-theme-gradient)}.card-wrapper.theme-gradient .markdown-body,.card-wrapper.theme-gradient .markdown-body h1,.card-wrapper.theme-gradient .markdown-body h2,.card-wrapper.theme-gradient .markdown-body h3,.card-wrapper.theme-gradient .markdown-body h4{color:var(--text-heading-gradient)}.card-wrapper.theme-gradient .markdown-body pre{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background-color:#0f172ab3}.card-wrapper.theme-gradient .markdown-body code{background-color:#ffffff26}.card-wrapper.theme-cyber{background:var(--bg-theme-cyber);color:var(--text-theme-cyber)}.card-wrapper.theme-cyber .markdown-body,.card-wrapper.theme-cyber .markdown-body h1,.card-wrapper.theme-cyber .markdown-body h2,.card-wrapper.theme-cyber .markdown-body h3,.card-wrapper.theme-cyber .markdown-body h4{color:var(--text-heading-cyber);text-shadow:0 0 5px #fde0474d}.card-wrapper.theme-retro{background:var(--bg-theme-retro);color:var(--text-theme-retro);background-image:repeating-linear-gradient(0deg,#0000,#0000 1px,#00000005 1px 2px)}.card-wrapper.theme-retro .markdown-body,.card-wrapper.theme-retro .markdown-body h1,.card-wrapper.theme-retro .markdown-body h2,.card-wrapper.theme-retro .markdown-body h3,.card-wrapper.theme-retro .markdown-body h4{color:var(--text-heading-retro)}.card-wrapper.theme-retro .card-glass-container{background:#ffffff80;border:1px solid #7c2d121a}.card-wrapper.theme-nature{background:var(--bg-theme-nature);color:var(--text-theme-nature)}.card-wrapper.theme-nature .markdown-body,.card-wrapper.theme-nature .markdown-body h1,.card-wrapper.theme-nature .markdown-body h2,.card-wrapper.theme-nature .markdown-body h3,.card-wrapper.theme-nature .markdown-body h4{color:var(--text-heading-nature)}.card-wrapper.theme-midnight{background:var(--bg-theme-midnight);color:var(--text-theme-midnight)}.card-wrapper.theme-midnight .markdown-body,.card-wrapper.theme-midnight .markdown-body h1,.card-wrapper.theme-midnight .markdown-body h2,.card-wrapper.theme-midnight .markdown-body h3,.card-wrapper.theme-midnight .markdown-body h4{color:var(--text-heading-midnight)}.card-wrapper.theme-sunset{color:#451a03;background-image:url(/assets/sunset_silk-Blrk8mLt.png);background-position:50%;background-size:cover}.card-wrapper.theme-sunset .markdown-body h1,.card-wrapper.theme-sunset .markdown-body h2,.card-wrapper.theme-sunset .markdown-body h3,.card-wrapper.theme-sunset .markdown-body h4{color:#7c2d12}.card-wrapper.theme-sunset .card-glass-container{background:#fff6;border:1px solid #ffffff4d}.card-wrapper.theme-arctic{color:#1e293b;background-image:url(/assets/arctic_frost-Dw3OUvmN.png);background-position:50%;background-size:cover}.card-wrapper.theme-arctic .markdown-body h1,.card-wrapper.theme-arctic .markdown-body h2,.card-wrapper.theme-arctic .markdown-body h3,.card-wrapper.theme-arctic .markdown-body h4{color:#0f172a}.card-wrapper.theme-arctic .card-glass-container{background:#fff6;border:1px solid #ffffff4d}.card-wrapper.theme-sakura{color:#500724;background-image:url(/assets/sakura_dream-B0p7cqR0.png);background-position:50%;background-size:cover}.card-wrapper.theme-sakura .markdown-body h1,.card-wrapper.theme-sakura .markdown-body h2,.card-wrapper.theme-sakura .markdown-body h3,.card-wrapper.theme-sakura .markdown-body h4{color:#831843}.card-wrapper.theme-sakura .card-glass-container{background:#fff6;border:1px solid #ffffff4d}.card-wrapper.theme-ocean{color:#0f172a;background-image:url(/assets/ocean_deep-CYI7-9sC.png);background-position:50%;background-size:cover}.card-wrapper.theme-ocean .markdown-body h1,.card-wrapper.theme-ocean .markdown-body h2,.card-wrapper.theme-ocean .markdown-body h3,.card-wrapper.theme-ocean .markdown-body h4{color:#1e293b}.card-wrapper.theme-ocean .card-glass-container{background:#fff6;border:1px solid #ffffff4d}.card-glass-container{-webkit-backdrop-filter:blur(16px);background:#ffffff08;border:1px solid #ffffff1a;border-radius:12px;flex-direction:column;flex:1;width:100%;padding:40px;display:flex}.theme-light .card-glass-container{background:#fff9;border:1px solid #0000000d;box-shadow:0 4px 30px #0000000d}.card-header{align-items:center;margin-bottom:24px;display:flex}.card-logo{object-fit:cover;border-radius:6px;width:48px;height:48px;margin-right:12px}.card-author{letter-spacing:.05em;text-transform:uppercase;opacity:.8;font-size:2rem;font-weight:600}.card-content{flex:1}.card-footer{opacity:.7;border-top:1px solid #96969633;justify-content:space-between;align-items:center;margin-top:24px;padding-top:16px;font-size:.85rem;display:flex}.card-qrcode{background:#96969633;border-radius:4px;width:80px;height:80px}.landing-bg-wrapper{z-index:90;background-color:#0f172a;width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.landing-bg-wrapper.fade-out{animation:.5s forwards fadeOut}.landing-bg-rotator{pointer-events:none;background-image:linear-gradient(#0f172a99,#0f172acc),url(/assets/landing-bg-BxGd_M89.png);background-position:50%;background-repeat:no-repeat;background-size:cover;width:150vmax;height:150vmax;margin-top:-75vmax;margin-left:-75vmax;animation:120s linear infinite rotateBg;position:absolute;top:50%;left:50%}@keyframes rotateBg{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.landing-page{color:#f8fafc;scrollbar-width:none;-ms-overflow-style:none;z-index:100;background-color:#0000;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;padding:40px 20px;display:flex;position:relative;overflow-y:auto}.landing-page::-webkit-scrollbar{display:none}.landing-content{text-align:center;transform-origin:top;flex-direction:column;gap:60px;width:100%;max-width:1000px;animation:1s ease-out fadeIn;display:flex;transform:scale(.9)}.hero-section{flex-direction:column;align-items:center;gap:24px;margin-top:60px;display:flex}.badge{color:#38bdf8;background:#38bdf81a;border:1px solid #38bdf833;border-radius:999px;align-items:center;gap:8px;padding:6px 16px;font-size:.85rem;font-weight:500;display:flex}.hero-section h1{background:linear-gradient(135deg,#f8fafc 0%,#94a3b8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;max-width:800px;font-size:clamp(2rem,6vw,3.5rem);font-weight:800;line-height:1.1}.hero-section p{color:#94a3b8;max-width:600px;font-size:clamp(.9rem,2vw,1.1rem);line-height:1.6}.cta-button{color:#0f172a;cursor:pointer;background:#38bdf8;border:none;border-radius:12px;align-items:center;gap:12px;margin-top:12px;padding:16px 36px;font-size:1.1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 10px 20px -5px #38bdf866}.cta-button:hover{background:#7dd3fc;transform:translateY(-2px);box-shadow:0 20px 25px -5px #38bdf866}.cta-button:active{transform:translateY(0)}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;padding:0 20px;display:grid}.feature-card{text-align:left;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1e293b66;border:1px solid #334155;border-radius:20px;padding:32px;transition:all .3s}.feature-card:hover{background:#1e293b99;border-color:#38bdf84d;transform:translateY(-4px)}.feature-icon{color:#38bdf8;background:#38bdf81a;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:20px;display:flex}.feature-card h3{color:#f1f5f9;margin-bottom:12px;font-size:1.25rem;font-weight:600}.feature-card p{color:#94a3b8;font-size:.95rem;line-height:1.6}.preview-decoration{opacity:.5;filter:blur(80px);pointer-events:none;z-index:-1;background:radial-gradient(circle,#38bdf8 0%,#0000 70%);width:600px;height:400px;margin-top:40px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.brand-section{justify-content:center;margin-top:20px;animation:1.2s ease-out fadeIn;display:flex}.qrcode-container{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1e293b99;border:1px solid #38bdf833;border-radius:24px;align-items:center;gap:24px;padding:24px;transition:transform .3s;display:flex}.qrcode-container:hover{border-color:#38bdf866;transform:scale(1.02)}.qrcode-img{border:2px solid #38bdf81a;border-radius:12px;width:120px;height:120px}.qrcode-info{text-align:left}.qrcode-info h4{color:#f1f5f9;margin-bottom:4px;font-size:1.1rem}.qrcode-info p{color:#94a3b8;margin-bottom:12px;font-size:.85rem}.source-code-note{color:#38bdf8;background:#38bdf81a;border:1px dashed #38bdf84d;border-radius:10px;padding:10px 14px;font-size:.8rem;line-height:1.5}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.landing-page{justify-content:flex-start;padding:40px 20px}.landing-content{gap:40px;transform:scale(1)}.hero-section{gap:18px;margin-top:30px}.hero-section h1{max-width:100%;font-size:clamp(1.6rem,5vw,2.4rem)}.hero-section p{max-width:100%;padding:0 8px;font-size:.9rem}.cta-button{padding:14px 28px;font-size:1rem}.features-grid{grid-template-columns:1fr;gap:16px;padding:0}.feature-card{border-radius:16px;padding:24px}.qrcode-container{text-align:center;flex-direction:column;gap:16px;padding:20px}.qrcode-info{text-align:center}.qrcode-img{width:100px;height:100px}.preview-decoration{width:300px;height:200px}.landing-footer{margin-top:20px;padding:0 16px;font-size:.75rem;position:relative;bottom:auto}}@media (width<=480px){.landing-page{padding:24px 16px}.landing-content{gap:32px}.hero-section{gap:14px;margin-top:16px}.hero-section h1{font-size:1.5rem;line-height:1.2}.hero-section p{font-size:.82rem}.cta-button{justify-content:center;width:100%;padding:12px 24px;font-size:.95rem}.feature-card{padding:20px}.feature-card h3{font-size:1.05rem}.feature-card p{font-size:.85rem}.feature-icon{border-radius:10px;width:40px;height:40px;margin-bottom:14px}.qrcode-container{border-radius:16px;padding:16px}.qrcode-img{width:80px;height:80px}.qrcode-info h4{font-size:.95rem}.qrcode-info p{font-size:.78rem}.source-code-note{padding:8px 12px;font-size:.72rem}.landing-footer{font-size:.7rem}}.landing-page.fade-out{animation:.5s forwards fadeOut}@keyframes fadeOut{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.98)}}.landing-footer{text-align:center;color:#475569;z-index:10;pointer-events:none;width:100%;font-size:.85rem;position:fixed;bottom:20px;left:0}.landing-footer b{color:#64748b}.passcode-overlay{z-index:9999;-webkit-backdrop-filter:blur(12px);background:#0009;justify-content:center;align-items:center;animation:.35s ease-out passcode-fade-in;display:flex;position:fixed;inset:0}@keyframes passcode-fade-in{0%{opacity:0}to{opacity:1}}.passcode-modal{text-align:center;background:linear-gradient(145deg,#1a1d2e 0%,#12141f 100%);border:1px solid #6366f140;border-radius:20px;width:90%;max-width:400px;padding:40px 36px 36px;animation:.4s cubic-bezier(.16,1,.3,1) passcode-slide-up;position:relative;overflow:hidden;box-shadow:0 24px 80px #00000080,0 0 40px #6366f114,inset 0 1px #ffffff0d}.passcode-modal:before{content:"";background:linear-gradient(90deg,#0000,#6366f1,#a78bfa,#6366f1,#0000);height:2px;position:absolute;top:0;left:0;right:0}@keyframes passcode-slide-up{0%{opacity:0;transform:translateY(30px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.passcode-qrcode{object-fit:cover;border:2px solid #6366f14d;border-radius:14px;width:180px;height:180px;margin-bottom:20px;transition:transform .3s;box-shadow:0 8px 24px #0000004d}.passcode-qrcode:hover{transform:scale(1.04)}.passcode-title{color:#e2e8f0;letter-spacing:.3px;margin:0 0 6px;font-size:1.25rem;font-weight:700}.passcode-desc{color:#94a3b8;margin:0 0 24px;font-size:.88rem;line-height:1.6}.passcode-desc b{color:#a78bfa;font-weight:600}.passcode-input-group{gap:10px;margin-bottom:16px;display:flex}.passcode-input{color:#e2e8f0;letter-spacing:1.5px;background:#0f111ccc;border:1px solid #6366f140;border-radius:12px;outline:none;flex:1;padding:12px 16px;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.passcode-input::placeholder{color:#475569;letter-spacing:.5px}.passcode-input:focus{border-color:#6366f1;box-shadow:0 0 0 3px #6366f126}.passcode-verify-btn{color:#fff;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:12px;padding:12px 24px;font-size:.95rem;font-weight:600;transition:all .2s}.passcode-verify-btn:hover:not(:disabled){background:linear-gradient(135deg,#7c7ff7,#9d78f8);transform:translateY(-1px);box-shadow:0 6px 20px #6366f14d}.passcode-verify-btn:active:not(:disabled){transform:translateY(0)}.passcode-verify-btn:disabled{opacity:.6;cursor:not-allowed}.passcode-error{color:#f87171;min-height:1.2em;margin:0;font-size:.82rem;animation:.35s ease-in-out passcode-shake}@keyframes passcode-shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}@media (width<=480px){.passcode-modal{border-radius:16px;padding:28px 20px 24px}.passcode-qrcode{width:150px;height:150px}.passcode-input-group{flex-direction:column}.passcode-verify-btn{width:100%}}*{box-sizing:border-box;margin:0;padding:0}body{color:#f8fafc;background-color:#0f172a;width:100vw;height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;overflow:hidden}.layout-container{width:100vw;height:100vh;display:flex}.editor-pane{background-color:#1e293b;border-right:1px solid #334155;flex-direction:column;flex:1;max-width:450px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.editor-pane.collapsed{border-right:none;flex:0 0 0;max-width:0}.editor-header{background-color:#1e293b;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M0 0 L40 40 L80 0 M0 80 L40 40 L80 80' fill='none' stroke='white' stroke-opacity='0.08' stroke-width='1'/%3E%3Ccircle cx='40' cy='40' r='1.5' fill='white' fill-opacity='0.15'/%3E%3C/svg%3E"),linear-gradient(135deg,#1e293b 0%,#0f172a 100%);background-position:50%;background-size:80px 80px,cover;border-bottom:1px solid #334155;flex-direction:column;justify-content:space-between;min-height:150px;padding:20px;display:flex;position:relative}.editor-header h1{color:#38bdf8;margin-bottom:4px;font-size:1.2rem;font-weight:600}.editor-header p{color:#94a3b8;white-space:nowrap;font-size:.85rem;transition:opacity .2s}.editor-pane.collapsed .editor-header p{opacity:0;pointer-events:none}.editor-actions{gap:8px;transition:opacity .2s;display:flex;position:absolute;bottom:16px;right:16px}.editor-pane.collapsed .editor-actions{opacity:0;pointer-events:none}.action-btn{color:#94a3b8;cursor:pointer;background:#334155;border:1px solid #475569;border-radius:4px;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;font-weight:500;transition:all .2s;display:flex}.action-btn:hover{color:#f8fafc;background:#475569;border-color:#64748b}.action-btn.active{color:#38bdf8;background:#0ea5e926;border-color:#0ea5e9}.header-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:4px;display:flex}.header-top h1{white-space:nowrap;transition:opacity .2s;margin-bottom:0!important}.editor-pane.collapsed .header-top h1{opacity:0;pointer-events:none}.sidebar-toggle-btn{color:#cbd5e1;cursor:pointer;background:#334155;border:1px solid #475569;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex}.sidebar-toggle-btn:hover{color:#f8fafc;background:#475569}.editor-pane.collapsed .sidebar-toggle-btn{position:absolute;top:20px;left:50%;transform:translate(-50%)}.markdown-input{color:#f1f5f9;resize:none;background-color:#1e293b;background-image:repeating-linear-gradient(-45deg,#0000,#0000 12px,#ffffff08 12px 13px);border:none;outline:none;flex:1;padding:24px;font-family:Courier New,Courier,monospace;font-size:.95rem;line-height:1.6;transition:opacity .2s}.editor-pane.collapsed .markdown-input{opacity:0;pointer-events:none}.editor-config-panel{background:#1a2536;border-top:1px solid #334155;flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:10px 16px;display:flex}.markdown-input:focus{background-color:#1e293b}.markdown-input::-webkit-scrollbar{width:8px;height:8px}.markdown-input::-webkit-scrollbar-track{background:0 0}.markdown-input::-webkit-scrollbar-thumb{background-color:#334155;border-radius:4px}.markdown-input::-webkit-scrollbar-thumb:hover{background-color:#475569}.preview-pane{background-color:#0f172a;flex-direction:column;flex:2;display:flex}.toolbar{color:#cbd5e1;background-color:#1e293b;border-bottom:1px solid #334155;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;min-height:60px;padding:0 24px;font-size:.9rem;display:flex}.toolbar-group{align-items:center;gap:8px;display:flex}.toolbar-label{align-items:center;gap:6px;font-weight:500;display:flex}.toolbar-select{color:#f8fafc;cursor:pointer;background-color:#334155;border:1px solid #475569;border-radius:6px;outline:none;padding:6px 12px;font-size:.85rem}.toolbar-select:focus{border-color:#38bdf8}.toolbar-btn{color:#cbd5e1;cursor:pointer;background-color:#0000;border:1px solid #475569;border-radius:6px;align-items:center;padding:8px 16px;font-weight:500;transition:all .2s;display:flex}.toolbar-btn:hover{color:#f8fafc;background-color:#334155;border-color:#64748b}.toolbar-icon-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;transition:all .2s;display:flex}.toolbar-icon-btn:hover{color:#f8fafc;background-color:#334155}.toolbar-zoom-label{font-variant-numeric:tabular-nums;text-align:center;color:#cbd5e1;width:48px;font-size:.85rem;font-weight:500}.toolbar-zoom-label:hover{color:#f8fafc}.export-button{color:#fff;cursor:pointer;background-color:#0ea5e9;border:none;border-radius:6px;align-items:center;padding:8px 16px;font-weight:500;transition:background-color .2s;display:flex}.export-button:hover{background-color:#0284c7}.card-preview-container{background-image:radial-gradient(#334155 1px,#0000 1px);background-size:20px 20px;flex:1;position:relative;overflow:hidden}.card-preview-container.space-pressed{cursor:grab;-webkit-user-select:none;user-select:none}.card-preview-container.dragging{cursor:grabbing;-webkit-user-select:none;user-select:none}.cards-list{width:0;height:0;transform:translate(var(--pan-x,0px), var(--pan-y,0px)) scale(var(--zoom,1));will-change:transform;transition:transform .15s ease-out;position:absolute;top:50%;left:50%}.dragging .cards-list{transition:none}.card-preview-wrapper{transform:translate(calc(-50% + var(--tx,0px)), calc(-50% + var(--ty,0px))) scale(.6);transform-origin:50%;will-change:transform;margin:0;transition:transform .3s cubic-bezier(.2,0,0,1),box-shadow .2s;position:absolute}.space-pressed .card-preview-wrapper{cursor:grab}.card-preview-wrapper:hover{transform:translate(calc(-50% + var(--tx,0px)), calc(-50% + var(--ty,0px))) scale(.62);z-index:10}.card-preview-wrapper.card-dragging{cursor:grabbing;transform:translate(calc(-50% + var(--tx,0px)), calc(-50% + var(--ty,0px))) scale(.62);filter:drop-shadow(0 30px 40px #0000004d);transition:none}.loader-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172ab3;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.spinner{animation:1s linear infinite spin}.big-spinner{color:#38bdf8;width:48px;height:48px}.canvas-reset-btn{z-index:40;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#cbd5e1;cursor:pointer;background:#1e293bd9;border:1px solid #475569;border-radius:10px;align-items:center;gap:6px;padding:10px 18px;font-size:.85rem;font-weight:500;transition:all .25s;display:flex;position:absolute;bottom:24px;right:24px;box-shadow:0 4px 16px #0000004d}.canvas-reset-btn:hover{color:#f8fafc;background:#0ea5e933;border-color:#38bdf8;box-shadow:0 4px 24px #38bdf826}.canvas-help-panel{z-index:30;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);opacity:.6;background:#0f172abf;border:1px solid #334155;border-radius:10px;padding:12px 16px;transition:opacity .3s;position:absolute;top:16px;right:16px}.canvas-help-panel:hover{opacity:1}.canvas-help-items{flex-direction:column;gap:6px;display:flex}.canvas-help-item{color:#94a3b8;white-space:nowrap;align-items:center;gap:6px;font-size:.75rem;display:flex}.canvas-help-item span{color:#64748b;margin-left:auto;padding-left:12px}.canvas-help-item kbd{color:#cbd5e1;background:#1e293b;border:1px solid #475569;border-radius:4px;padding:2px 6px;font-family:inherit;font-size:.7rem;line-height:1.4;display:inline-block}.sidebar-backdrop{display:none}.mobile-sidebar-close{color:#cbd5e1;cursor:pointer;background:#334155;border:1px solid #475569;border-radius:6px;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:none}.mobile-sidebar-close:hover{color:#f8fafc;background:#475569}.hidden{display:none!important}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=768px){.layout-container{flex-direction:column}.sidebar-backdrop{z-index:99;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;display:block;position:fixed;inset:0}.editor-pane{z-index:100;opacity:1;width:100%;max-width:100%;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s;position:fixed;inset:0;transform:translateY(0)}.editor-pane.collapsed{flex:unset;opacity:0;pointer-events:none;border-right:none;max-width:100%;transform:translateY(-100%)}.editor-header{min-height:auto;padding:14px 16px}.editor-actions{margin-top:10px;position:static}.markdown-input{padding:14px;font-size:.85rem}.mobile-sidebar-close{display:flex!important}.preview-pane{flex:1;width:100%}.toolbar{gap:6px;min-height:auto;padding:8px 12px}.toolbar-group{flex-wrap:wrap;gap:6px}.toolbar-icon-btn,.toolbar-zoom-label{display:none}.toolbar-divider{display:none!important}.toolbar-select{padding:5px 8px;font-size:.78rem}.toolbar-label{gap:4px;font-size:.78rem}.toolbar-btn.secondary-btn{padding:6px 10px;font-size:.78rem}.toolbar-btn.secondary-btn span.home-label{display:none}.export-button{padding:6px 12px;font-size:.78rem}.canvas-help-panel{display:none}.canvas-reset-btn{padding:8px 14px;font-size:.78rem;bottom:16px;right:16px}}@media (width<=480px){.toolbar{padding:6px 8px}.toolbar-label{display:none}.toolbar-select{padding:4px 6px;font-size:.72rem}.toolbar-btn.secondary-btn{padding:6px 8px;font-size:.72rem}.export-button{white-space:nowrap;padding:6px 8px;font-size:.72rem}.sidebar-toggle-btn{padding:5px}}