:root{font-family:Kalam,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#1a1a1a;background-color:#f9f7f4;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh;background:#f9f7f4;background-image:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.02) 2px,rgba(0,0,0,.02) 4px),repeating-linear-gradient(90deg,transparent,transparent 2px,rgba(0,0,0,.02) 2px,rgba(0,0,0,.02) 4px)}.present-mode body{background:#fff;background-image:none}#root{width:100%}button{font-family:inherit}:root{--primary-gradient: linear-gradient(135deg, #ff8c42 0%, #ff5e3a 100%);--primary-orange: #ff8c42;--primary-dark: #ff5e3a;--bg-whiteboard: #f9f7f4;--bg-white: #ffffff;--bg-light: #f5f5f5;--bg-card: #f8f9fa;--text-primary: #333333;--text-secondary: #666666;--text-tertiary: #999999;--border-color: #333333;--border-light: #e0e0e0;--border-medium: #dddddd;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #667eea;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 50%;--shadow-hand-drawn-sm: 0 2px 0 rgba(0, 0, 0, .1), -1px 1px 0 rgba(0, 0, 0, .1);--shadow-hand-drawn-md: 0 3px 0 rgba(0, 0, 0, .1), -2px 2px 0 rgba(0, 0, 0, .08), 2px -2px 0 rgba(0, 0, 0, .08), inset 0 0 5px rgba(0, 0, 0, .03);--shadow-hand-drawn-lg: 0 6px 0 rgba(0, 0, 0, .15), -3px 3px 0 rgba(0, 0, 0, .1), 3px -3px 0 rgba(0, 0, 0, .1), inset 0 0 8px rgba(0, 0, 0, .05);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .08);--shadow-md: 0 4px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 20px rgba(0, 0, 0, .1);--shadow-xl: 0 8px 30px rgba(0, 0, 0, .15);--font-heading: "Kaushan Script", cursive;--font-body: "Kalam", sans-serif;--font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;--container-sm: 1200px;--container-md: 1400px;--container-lg: 1600px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg-whiteboard);color:var(--text-primary);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-whiteboard);background-image:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.02) 2px,rgba(0,0,0,.02) 4px),repeating-linear-gradient(90deg,transparent,transparent 2px,rgba(0,0,0,.02) 2px,rgba(0,0,0,.02) 4px)}.app-container{flex:1;max-width:var(--container-md);margin:0 auto;padding:var(--spacing-2xl) var(--spacing-xl);width:100%}.main-content{display:flex;flex-direction:column;gap:var(--spacing-xl);max-width:var(--container-sm);margin:0 auto}.page-header{text-align:center;margin-bottom:var(--spacing-2xl)}.page-header h1{font-size:2.5rem;font-weight:800;margin-bottom:var(--spacing-md);background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-family:var(--font-heading)}.page-header p{font-size:1.1rem;color:var(--text-secondary);max-width:800px;margin:0 auto;line-height:1.6;font-family:var(--font-body)}@media(max-width:768px){.app-container{padding:var(--spacing-xl) var(--spacing-md)}.page-header h1{font-size:2rem}.page-header p{font-size:1rem}}.hand-drawn-border{border:2px solid var(--border-color);box-shadow:0 0 0 1px #0000001a,-1px 1px #0000001a,1px -1px #0000001a,-2px 2px #0000000d,2px -2px #0000000d,inset 0 0 3px #0000000d;border-radius:4px 8px 6px 7px/6px 4px 8px 5px}.sketchy-text{font-family:var(--font-body);font-weight:700;letter-spacing:.5px}.hand-drawn-button{border:2px solid var(--border-color);box-shadow:var(--shadow-hand-drawn-sm);border-radius:3px 6px 4px 5px/5px 3px 6px 4px;position:relative}.hand-drawn-button:before{content:"";position:absolute;inset:-1px;border:1px solid rgba(0,0,0,.1);border-radius:inherit;pointer-events:none}.rough-card{background:var(--bg-white);border:2px solid var(--border-color);box-shadow:var(--shadow-hand-drawn-md);border-radius:5px 9px 7px 8px/7px 5px 9px 6px}.sketchy-line{border-top:2px solid var(--border-color);box-shadow:0 1px #0000001a,-1px 0 #0000000d,1px 0 #0000000d;border-radius:2px}@keyframes fadeInDraw{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInFromLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInFromBottom{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeInDraw .5s ease-out forwards}.animate-slide-left{animation:slideInFromLeft .6s ease-out forwards}.animate-slide-bottom{animation:slideInFromBottom .6s ease-out forwards}.stagger-1{animation-delay:.1s}.stagger-2{animation-delay:.2s}.stagger-3{animation-delay:.3s}.stagger-4{animation-delay:.4s}.stagger-5{animation-delay:.5s}.stagger-6{animation-delay:.6s}.app-header{background:var(--bg-whiteboard);color:var(--text-primary);padding:var(--spacing-md) 0;box-shadow:0 2px 8px #0000001a;position:sticky;top:0;z-index:100;opacity:0;animation:slideInFromBottom .6s ease-out forwards;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s ease-in-out;transform:translateY(0);will-change:transform}.app-header.hide-on-scroll-enabled{animation:slideInFromBottom .6s ease-out forwards}.app-header.header-hidden{pointer-events:none;animation:none!important}.app-header nav{max-width:var(--container-md);margin:0 auto;padding:0 var(--spacing-xl);display:flex;justify-content:space-between;align-items:center}.nav-right,.header-right{display:flex;align-items:center;gap:var(--spacing-lg)}.logo{font-size:1.8rem;font-weight:700;text-decoration:none;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:opacity .3s;font-family:var(--font-heading);white-space:nowrap;padding-right:var(--spacing-sm)}.logo:hover{opacity:.8}.back-link{color:var(--text-primary);text-decoration:none;font-weight:500;display:flex;align-items:center;gap:var(--spacing-sm);transition:color .3s;font-family:var(--font-body)}.back-link:hover{color:var(--primary-orange)}.github-link{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--text-primary);text-decoration:none;font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border:2px solid var(--border-color);border-radius:4px 6px 5px 4px/5px 4px 6px 3px;transition:all .2s;background:var(--bg-white);font-family:var(--font-body);box-shadow:var(--shadow-hand-drawn-sm)}.github-link:hover{color:var(--primary-orange);border-color:var(--primary-orange);background:#fff5f0;transform:translateY(-2px);box-shadow:0 4px #ff8c4233,-2px 2px #ff8c4226}.github-link svg{flex-shrink:0}.page-header{text-align:center;margin-bottom:var(--spacing-2xl);padding:0 var(--spacing-xl)}.page-header h1{font-size:var(--h1-size);font-weight:var(--h1-weight);margin-bottom:var(--spacing-md);background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-family:var(--font-family-heading)}.page-header p{font-size:var(--h3-size);color:var(--text-secondary);max-width:800px;margin:0 auto;line-height:var(--body-line-height);font-family:var(--font-family-base)}.header-content{padding:var(--spacing-xl) var(--spacing-2xl);max-width:var(--container-md);margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-xl);width:calc(100% - var(--spacing-md) * 2);border:2px solid var(--border-color);border-radius:4px 8px 6px 7px/6px 4px 8px 5px;box-shadow:0 3px #0000001a,-2px 2px #00000014;margin:var(--spacing-md) auto;background:var(--bg-white)}.header-left{flex:1}.header-left h1{font-size:36px;font-weight:700;color:#1a1a1a;margin-bottom:var(--spacing-xs);font-family:var(--font-body);background:none;-webkit-background-clip:initial;-webkit-text-fill-color:initial;background-clip:initial}.header-left .tagline{font-size:var(--spacing-md);color:var(--text-secondary);margin:0;font-family:var(--font-body)}.header-actions{display:flex;gap:var(--spacing-sm);align-items:center;flex-wrap:wrap}@media(max-width:1200px){.header-content{flex-direction:column;align-items:flex-start}}@media(max-width:768px){.app-header,.app-header nav,.nav-bar{padding:var(--spacing-md)}.logo{font-size:1.25rem}.nav-right,.header-right{gap:var(--spacing-sm)}.header-left h1{font-size:24px}.tagline{font-size:14px}}.present-mode .app-header{background:var(--bg-white);border-bottom:1px solid var(--border-light);box-shadow:0 1px 3px #0000001a;animation:none;opacity:1}.present-mode .app-header.header-hidden{transform:translateY(calc(-100% - 1px))!important;opacity:0!important;animation:none!important}.present-mode .app-header .logo,.present-mode .app-header .back-link,.present-mode .page-header h1,.present-mode .page-header p,.present-mode .header-left h1,.present-mode .header-left .tagline,.present-mode .sketchy-text{font-family:var(--font-family-present)!important;letter-spacing:normal;color:#111!important;background:none!important;-webkit-background-clip:initial!important;-webkit-text-fill-color:initial!important;background-clip:initial!important}.present-mode .app-header .logo{font-weight:var(--h2-weight)}.present-mode .header-left h1{font-family:var(--font-family-present);font-size:32px;font-weight:var(--h2-weight);color:var(--text-primary)}.present-mode .header-left .tagline,.present-mode .page-header p{font-family:var(--font-family-present);color:#6b7280}.app-footer{background:var(--bg-whiteboard);color:var(--text-secondary);text-align:center;padding:var(--spacing-xl) var(--spacing-2xl);border-top:3px solid var(--border-color);box-shadow:0 -4px #0000001a,2px -2px #00000014;margin-top:auto;position:relative;opacity:0;animation:slideInFromBottom .6s ease-out forwards}.app-footer p{color:var(--text-secondary);font-size:14px;margin:4px 0;font-family:var(--font-body)}.footer-links{margin-top:var(--spacing-xs)}.footer-links a{color:var(--primary-orange);text-decoration:none;font-weight:600;transition:color .2s;font-family:var(--font-body)}.footer-links a:hover{color:var(--primary-dark);text-decoration:underline}.footer-social{position:absolute;bottom:var(--spacing-xl);right:var(--spacing-2xl);display:flex;gap:var(--spacing-sm)}.social-icon{color:var(--text-secondary);transition:color .2s,transform .2s;display:inline-flex;align-items:center;justify-content:center}.social-icon:hover{color:var(--primary-orange);transform:translateY(-2px)}.social-icon svg{width:24px;height:24px}.app-footer.dark{background:#2d3748;color:#fff;border-top:none;box-shadow:none}.app-footer.dark p{opacity:.8;color:#fff}.app-footer.dark .social-icon{color:#fffc}.app-footer.dark .social-icon:hover{color:#fff}@media(max-width:768px){.app-footer{padding:var(--spacing-lg) var(--spacing-md)}.footer-social{position:static;justify-content:center;margin-top:var(--spacing-md)}}.btn-primary{padding:var(--spacing-sm) var(--spacing-lg);font-size:16px;font-weight:600;border:none;border-radius:var(--radius-md);background:var(--primary-gradient);color:#fff;cursor:pointer;transition:all .2s;font-family:var(--font-body)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 16px #ff8c4266}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{padding:var(--spacing-sm) var(--spacing-lg);font-size:16px;font-weight:600;border:2px solid var(--border-color);border-radius:4px 6px 5px 4px/5px 4px 6px 3px;background:var(--bg-white);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font-body);box-shadow:var(--shadow-hand-drawn-sm)}.btn-secondary:hover{border-color:var(--primary-orange);color:var(--primary-orange);background:#fff5f0;transform:translateY(-2px);box-shadow:0 4px #ff8c4233,-2px 2px #ff8c4226}.btn-help{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:14px;font-weight:600;border:2px solid var(--border-color);border-radius:4px 6px 5px 4px/5px 4px 6px 3px;background:var(--bg-white);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font-body);box-shadow:var(--shadow-hand-drawn-sm)}.btn-help:hover{border-color:var(--primary-orange);color:var(--primary-orange);background:#fff5f0;transform:translateY(-2px);box-shadow:0 4px #ff8c4233,-2px 2px #ff8c4226}.btn-help svg{flex-shrink:0}.btn-reset{padding:var(--spacing-sm) var(--spacing-md);font-size:14px;font-weight:600;border:2px solid var(--border-color);border-radius:4px 6px 5px 4px/5px 4px 6px 3px;background:var(--bg-white);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font-body);box-shadow:var(--shadow-hand-drawn-sm)}.btn-reset:hover{border-color:var(--primary-dark);color:var(--primary-dark);background:#fff5f0;transform:translateY(-2px);box-shadow:0 4px #ff5e3a33,-2px 2px #ff5e3a26}.btn-add{padding:var(--spacing-sm) var(--spacing-lg);font-size:16px;font-weight:600;border:none;border-radius:var(--radius-md);background:var(--primary-gradient);color:#fff;cursor:pointer;transition:all .2s;font-family:var(--font-body)}.btn-add:hover{transform:translateY(-2px);box-shadow:0 8px 16px #ff8c4266}.btn-large{padding:14px 32px;font-size:18px}@media(max-width:768px){.btn-help{padding:.4rem .8rem;font-size:.85rem}}.card{background:var(--bg-white);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);transition:transform .3s,box-shadow .3s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}.welcome-banner,.grid-section{background:var(--bg-white);border:3px solid var(--border-color);border-radius:6px 10px 8px 9px/8px 6px 10px 7px;padding:var(--spacing-xl);box-shadow:var(--shadow-hand-drawn-lg);margin-bottom:var(--spacing-xl)}.welcome-banner{text-align:center}.welcome-banner h2{font-size:28px;margin-bottom:var(--spacing-sm);color:#1a1a1a;font-family:var(--font-body)}.welcome-banner p{font-size:var(--spacing-md);color:var(--text-secondary);margin-bottom:var(--spacing-lg);font-family:var(--font-body)}.grid-section{margin-bottom:var(--spacing-xl)}.grid-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.grid-header h2{margin:0;font-size:24px;font-weight:700;color:#1a1a1a;font-family:var(--font-body)}.content{background:var(--bg-white);padding:var(--spacing-2xl);border:2px solid var(--border-color);box-shadow:var(--shadow-hand-drawn-md);border-radius:5px 9px 7px 8px/7px 5px 9px 6px}.placeholder{text-align:center;padding:var(--spacing-2xl) var(--spacing-xl)}.placeholder h2{font-size:2rem;margin-bottom:var(--spacing-lg);color:var(--text-primary);font-family:var(--font-body)}.placeholder p{font-size:1.1rem;color:var(--text-secondary);margin-bottom:var(--spacing-md);line-height:1.6;font-family:var(--font-body)}.placeholder ul{text-align:left;max-width:600px;margin:var(--spacing-xl) auto;padding-left:var(--spacing-xl)}.placeholder li{font-size:1.1rem;color:var(--text-secondary);margin-bottom:.75rem;line-height:1.6;font-family:var(--font-body)}.coming-soon{font-size:1.3rem;font-weight:600;color:var(--primary-orange);margin-top:var(--spacing-xl);font-family:var(--font-body)}@media(max-width:768px){.grid-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.grid-header h2{font-size:20px}.content{padding:var(--spacing-xl) var(--spacing-lg)}.placeholder h2{font-size:1.5rem}}input[type=text],input[type=number],input[type=email],input[type=password],textarea,select{width:100%;padding:var(--spacing-sm);border:1px solid var(--border-medium);border-radius:var(--radius-sm);font-size:.9rem;font-family:var(--font-body);transition:border-color .2s;background:var(--bg-white);color:var(--text-primary)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-orange);box-shadow:0 0 0 3px #ff8c421a}input:disabled,textarea:disabled,select:disabled{opacity:.5;cursor:not-allowed;background:var(--bg-light)}input::placeholder,textarea::placeholder{color:var(--text-tertiary)}input.whiteboard,textarea.whiteboard,select.whiteboard{border:2px solid var(--border-color);border-radius:4px 6px 5px 4px/5px 4px 6px 3px;box-shadow:var(--shadow-hand-drawn-sm)}input.whiteboard:focus,textarea.whiteboard:focus,select.whiteboard:focus{border-color:var(--primary-orange);box-shadow:0 0 0 3px #ff8c421a,var(--shadow-hand-drawn-sm)}.mode-toggle-btn{padding:.5rem 1.5rem;border:2px solid #333;background:#fff;color:#666;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s;font-family:Kalam,sans-serif;border-radius:6px 8px 7px 6px/7px 6px 8px 5px;box-shadow:0 3px #0000001a,-2px 2px #00000014;position:relative;white-space:nowrap}.mode-toggle-btn:hover{color:#333;background:#f8fafc;transform:translateY(-1px);box-shadow:0 4px #0000001a,-2px 3px #00000014}.mode-toggle-btn:active{transform:translateY(1px);box-shadow:0 2px #0000001a,-2px 1px #00000014}.present-mode .mode-toggle-btn{background:#f8fafc;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 1px 3px #0000001a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.present-mode .mode-toggle-btn:hover{background:#f1f5f9;color:#1a1a1a;box-shadow:0 2px 4px #0000001a;transform:translateY(-1px)}.present-mode .mode-toggle-btn:active{transform:translateY(0);box-shadow:0 1px 2px #0000001a}@media(max-width:768px){.mode-toggle-btn{padding:.4rem 1rem;font-size:.85rem}}@media(max-width:640px){.mode-toggle-btn{padding:.35rem .75rem;font-size:.8rem}}.present-mode{background:#fff;background-image:none}.present-mode .app-header{background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 1px 3px #0000001a;animation:none;opacity:1}.present-mode .nav-bar{box-shadow:none}.present-mode .logo{font-family:var(--font-system);font-size:1.5rem;font-weight:700}.present-mode .header-content{border:none;box-shadow:none}.present-mode .header-left h1{font-family:var(--font-system);font-size:32px;font-weight:700;color:#1a1a1a}.present-mode .tagline{font-family:var(--font-system);color:#6b7280}.present-mode .github-link,.present-mode .btn-help,.present-mode .btn-reset{font-family:var(--font-system);border:1px solid #e5e7eb;border-radius:var(--radius-sm);box-shadow:0 1px 2px #0000000d}.present-mode .github-link:hover,.present-mode .btn-help:hover,.present-mode .btn-reset:hover{box-shadow:0 2px 4px #0000001a;transform:none}.present-mode .welcome-banner,.present-mode .grid-section,.present-mode .content{border:1px solid #e5e7eb;border-radius:var(--radius-lg);box-shadow:0 1px 3px #0000001a}.present-mode .app-footer{background:#fff;border-top:1px solid #e5e7eb;box-shadow:none;animation:none;opacity:1}.present-mode .app-footer p,.present-mode .footer-links a{font-family:var(--font-system)}.present-mode .logo,.present-mode .back-link,.present-mode .page-header h1,.present-mode .page-header p,.present-mode .sketchy-text{font-family:var(--font-system)!important;letter-spacing:normal;color:#111!important;background:none!important;-webkit-background-clip:initial!important;-webkit-text-fill-color:initial!important;background-clip:initial!important}.present-mode .logo{font-weight:700}.present-mode .content{border:1px solid #e2e8f0;box-shadow:0 10px 30px #0f172a0d;border-radius:1rem}@media print{.app-header,.app-footer,.export-menu{display:none}.app-container{max-width:100%;padding:0}.main-content{display:block}.page-header h1{-webkit-print-color-adjust:exact;print-color-adjust:exact}}