:root{--paper-cream:#fdfbf7;--paper-white:#fefefe;--paper-aged:#f5f0e6;--paper-kraft:#d4c4a8;--sticky-yellow:#fff9c4;--sticky-yellow-dark:#c9a227;--sticky-blue:#bbdefb;--sticky-blue-dark:#1976d2;--sticky-green:#c8e6c9;--sticky-green-dark:#388e3c;--sticky-pink:#f8bbd9;--sticky-pink-dark:#c2185b;--sticky-purple:#e1bee7;--sticky-purple-dark:#7b1fa2;--sticky-orange:#ffe0b2;--sticky-orange-dark:#f57c00;--shadow-subtle:0 1px 2px rgba(0,0,0,0.05);--shadow-paper:0 1px 3px rgba(0,0,0,0.08),0 2px 6px rgba(0,0,0,0.04);--shadow-lifted:0 4px 12px rgba(0,0,0,0.1),0 2px 4px rgba(0,0,0,0.06);--shadow-floating:0 8px 24px rgba(0,0,0,0.12),0 4px 8px rgba(0,0,0,0.08);--shadow-sticky:2px 3px 8px rgba(0,0,0,0.15),1px 1px 3px rgba(0,0,0,0.1);--shadow-sticky-lifted:4px 6px 16px rgba(0,0,0,0.18),2px 3px 6px rgba(0,0,0,0.12);--glow-edit:0 0 0 3px rgba(59,130,246,0.3);--glow-selected:0 0 0 2px rgba(59,130,246,0.5);--transition-fast:150ms ease;--transition-normal:200ms ease;--transition-smooth:300ms cubic-bezier(0.4,0,0.2,1);--canvas-dots:radial-gradient(circle,#d1d5db 1px,transparent 0);--canvas-grid:linear-gradient(90deg,#e5e7eb 1px,transparent 0),linear-gradient(180deg,#e5e7eb 1px,transparent 0);--canvas-cork:#c4a77d}.dark{--paper-cream:#1f1e1c;--paper-white:#1a1a1a;--paper-aged:#252218;--sticky-yellow:#3d3518;--sticky-blue:#1a2a3d;--sticky-green:#1a2e1a;--sticky-pink:#3d1a2a;--sticky-purple:#2a1a3d;--sticky-orange:#3d2a18;--shadow-paper:0 1px 3px rgba(0,0,0,0.3),0 2px 6px rgba(0,0,0,0.2);--shadow-lifted:0 4px 12px rgba(0,0,0,0.4),0 2px 4px rgba(0,0,0,0.3);--shadow-sticky:2px 3px 8px rgba(0,0,0,0.4),1px 1px 3px rgba(0,0,0,0.3)}.paper-texture{position:relative}.paper-texture:before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");opacity:.03;pointer-events:none;border-radius:inherit}.paper-texture-heavy:before{opacity:.06}.sticky-note{--rotation:0deg;transform:rotate(var(--rotation));transition:transform var(--transition-smooth),box-shadow var(--transition-smooth),filter var(--transition-fast)}.sticky-note[data-rotation="1"]{--rotation:-1.5deg}.sticky-note[data-rotation="2"]{--rotation:1deg}.sticky-note[data-rotation="3"]{--rotation:-0.5deg}.sticky-note[data-rotation="4"]{--rotation:2deg}.sticky-note[data-rotation="5"]{--rotation:-2deg}.sticky-note-fold{position:relative;overflow:hidden}.sticky-note-fold:after{content:"";position:absolute;bottom:0;right:0;width:0;height:0;border-color:transparent transparent rgba(0,0,0,.08);border-style:solid;border-width:0 0 20px 20px;transition:border-width var(--transition-normal)}.sticky-note-fold:hover:after{border-width:0 0 24px 24px}.sticky-yellow{background:linear-gradient(135deg,#fff9c4,#fff59d);border-color:#f9a825}.sticky-blue{background:linear-gradient(135deg,#bbdefb,#90caf9);border-color:#1976d2}.sticky-green{background:linear-gradient(135deg,#c8e6c9,#a5d6a7);border-color:#388e3c}.sticky-pink{background:linear-gradient(135deg,#f8bbd9,#f48fb1);border-color:#c2185b}.sticky-purple{background:linear-gradient(135deg,#e1bee7,#ce93d8);border-color:#7b1fa2}.sticky-orange{background:linear-gradient(135deg,#ffe0b2,#ffcc80);border-color:#f57c00}.dark .sticky-yellow{background:linear-gradient(135deg,#3d3518,#4a4020);border-color:#c9a227}.dark .sticky-blue{background:linear-gradient(135deg,#1a2a3d,#1e3a5f);border-color:#42a5f5}.dark .sticky-green{background:linear-gradient(135deg,#1a2e1a,#1e3d1e);border-color:#66bb6a}.dark .sticky-pink{background:linear-gradient(135deg,#3d1a2a,#4a1e33);border-color:#ec407a}.dark .sticky-purple{background:linear-gradient(135deg,#2a1a3d,#3a1e52);border-color:#ab47bc}.canvas-shape-idle{box-shadow:var(--shadow-paper)}.canvas-shape-hover{transform:translateY(-2px) rotate(var(--rotation,0deg));box-shadow:var(--shadow-lifted)}.canvas-shape-selected{box-shadow:var(--shadow-lifted),var(--glow-selected)}.canvas-shape-editing{transform:translateY(-4px) scale(1.02) rotate(0deg)!important;box-shadow:var(--shadow-floating),var(--glow-edit);z-index:100}.canvas-shape-dragging{opacity:.9;box-shadow:var(--shadow-floating);cursor:grabbing!important}.text-block-card{background:var(--paper-cream);border:1px solid rgba(0,0,0,.08);box-shadow:var(--shadow-paper)}.text-block-card:before{content:"";position:absolute;top:0;left:0;right:0;height:32px;background:linear-gradient(180deg,rgba(0,0,0,.02) 0,transparent);border-bottom:1px solid rgba(0,0,0,.05)}.text-block-lined{background-image:repeating-linear-gradient(180deg,transparent,transparent 23px,rgba(0,0,0,.05) 0,rgba(0,0,0,.05) 24px);background-position:0 8px}.dark .text-block-card{background:var(--paper-cream);border-color:rgba(255,255,255,.08)}.polaroid-frame{background:white;padding:8px 8px 40px;box-shadow:var(--shadow-sticky);border-radius:2px}.polaroid-frame:before{content:"";position:absolute;top:-8px;left:50%;transform:translateX(-50%);width:24px;height:16px;background:linear-gradient(135deg,#e8d5a3,#d4c090);border-radius:2px;box-shadow:0 2px 4px rgba(0,0,0,.15)}.polaroid-caption{font-family:var(--font-kalam),cursive;font-size:14px;color:#555;text-align:center;padding:8px 4px 0}.dark .polaroid-frame{background:#2a2a2a}.dark .polaroid-caption{color:#aaa}.canvas-bg-dots{background-image:radial-gradient(circle,#d1d5db 1px,transparent 0)}.canvas-bg-dots,.canvas-bg-grid{background-color:#fafafa;background-size:20px 20px}.canvas-bg-grid{background-image:linear-gradient(90deg,#e5e7eb 1px,transparent 0),linear-gradient(180deg,#e5e7eb 1px,transparent 0)}.canvas-bg-cork{background-color:#c4a77d;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");background-blend-mode:overlay}.canvas-bg-kraft{background-color:#d4c4a8;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");background-blend-mode:soft-light}.canvas-bg-blueprint{background-color:#1e3a5f;background-image:linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 0),linear-gradient(180deg,rgba(255,255,255,.1) 1px,transparent 0);background-size:20px 20px}.dark .canvas-bg-dots{background-color:#0f0f0f;background-image:radial-gradient(circle,#333 1px,transparent 0)}.dark .canvas-bg-grid{background-color:#0f0f0f;background-image:linear-gradient(90deg,#222 1px,transparent 0),linear-gradient(180deg,#222 1px,transparent 0)}@keyframes cursor-blink{0%,50%{opacity:1}51%,to{opacity:0}}.cursor-blink:after{content:"|";animation:cursor-blink 1s infinite;margin-left:1px;font-weight:400}@keyframes pulse-glow{0%,to{box-shadow:var(--shadow-floating),0 0 0 3px rgba(59,130,246,.3)}50%{box-shadow:var(--shadow-floating),0 0 0 5px rgba(59,130,246,.2)}}.edit-mode-active{animation:pulse-glow 2s ease-in-out infinite}.tape-decoration{position:relative}.tape-decoration:before{content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(-2deg);width:60px;height:20px;background:linear-gradient(135deg,rgba(255,248,220,.9),rgba(245,235,200,.85));border:1px solid rgba(200,180,140,.3);box-shadow:0 1px 2px rgba(0,0,0,.1)}.pin-decoration:before{content:"";position:absolute;top:-10px;left:50%;transform:translateX(-50%);width:16px;height:16px;background:radial-gradient(circle at 40% 40%,#ff6b6b,#c92a2a);border-radius:50%;box-shadow:0 2px 4px rgba(0,0,0,.3),inset 0 1px 2px rgba(255,255,255,.3)}