:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.sidebar{position:fixed;left:0;top:0;height:100vh;width:260px;background:linear-gradient(180deg,#2c3e50,#34495e);display:flex;flex-direction:column;box-shadow:2px 0 10px #0000001a;z-index:100;transition:width .3s ease}.sidebar.collapsed{width:70px}.sidebar-header{padding:1.5rem 1.25rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;gap:.5rem}.sidebar-header h2{color:#fff;font-size:1.25rem;margin:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity .3s ease}.sidebar.collapsed .sidebar-header h2{opacity:0;width:0}.toggle-btn{background:#ffffff26;border:none;color:#fff;width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;flex-shrink:0}.toggle-btn:hover{background:#ffffff40;color:#fff;transform:scale(1.05)}.toggle-btn svg{font-size:1.4rem;display:block;color:#fff!important;fill:#fff!important}.toggle-btn svg *{color:#fff!important;fill:#fff!important;stroke:#fff!important}.theme-toggle-wrapper{width:100%}.theme-toggle-switch{display:flex;align-items:center;justify-content:center;gap:.75rem}.theme-icon{color:#ffffffb3;flex-shrink:0;transition:color .3s ease}.theme-toggle-switch .sun-icon,.theme-toggle-switch .moon-icon{color:#ffffff80}.toggle-switch.light+.theme-icon.moon-icon{color:#ffffff80}.toggle-switch.dark~.theme-icon.moon-icon{color:#60a5fa}.toggle-switch{position:relative;width:44px;height:24px;background:#fff3;border:none;border-radius:12px;cursor:pointer;transition:background-color .3s ease;padding:0;flex-shrink:0}.toggle-switch:hover{background:#ffffff40}.toggle-switch.dark{background:#60a5fa}.toggle-slider{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .3s ease;box-shadow:0 2px 4px #0003}.toggle-switch.dark .toggle-slider{transform:translate(20px)}.sidebar.collapsed .theme-toggle-switch{flex-direction:column;gap:.5rem}.sidebar-nav{flex:1;padding:1.5rem .75rem;display:flex;flex-direction:column;gap:.5rem;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:.875rem;padding:.75rem 1rem;color:#ffffffb3;text-decoration:none;border-radius:8px;transition:all .2s ease;font-size:.95rem;white-space:nowrap}.sidebar.collapsed .nav-item{justify-content:center;padding:.75rem}.sidebar.collapsed .nav-item span{display:none}.nav-item:hover{background:#ffffff1a;color:#fff}.nav-item.active{background:#485aa1;color:#fff}.nav-icon{font-size:1.25rem;min-width:1.25rem}.sidebar-footer{padding:1rem;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:1rem}.user-row{display:flex;align-items:center;gap:.75rem}.user-info{flex:1;display:flex;align-items:center;gap:.75rem;min-width:0}.user-avatar{width:36px;height:36px;border-radius:50%;background:#485aa1;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.95rem;flex-shrink:0}.user-details{flex:1;min-width:0}.user-email{color:#ffffffe6;font-size:.85rem;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar.collapsed .user-email{display:none}.sidebar.collapsed .sidebar-footer{gap:.75rem}.sidebar.collapsed .user-row{flex-direction:column;gap:.5rem}.logout-btn{background:#ffffff26;border:none;color:#fff!important;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;flex-shrink:0}.logout-btn:hover{background:#dc2626e6;color:#fff!important;transform:scale(1.05)}.logout-btn svg{font-size:1.35rem;display:block;color:#fff!important;fill:#fff!important}.logout-btn svg *,.logout-btn svg path,.logout-btn svg g,.logout-btn svg circle,.logout-btn svg line{color:#fff!important;fill:#fff!important;stroke:#fff!important}@media(max-width:768px){.sidebar{transform:translate(-100%);width:260px}.sidebar.mobile-open{transform:translate(0)}.sidebar-header h2{font-size:1.25rem;text-align:left;opacity:1;width:auto}.nav-item span{display:block}.nav-item{justify-content:flex-start;padding:.75rem 1rem}.user-email{display:block}.sidebar-footer{flex-direction:row;gap:.75rem}}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:99}@media(max-width:768px){.sidebar-overlay.active{display:block}}.app-layout{display:flex;min-height:100vh;background:#f5f5f5}.main-content{flex:1;margin-left:260px;min-height:100vh;width:calc(100% - 260px);transition:margin-left .3s ease,width .3s ease;position:relative}.main-content.sidebar-collapsed{margin-left:70px;width:calc(100% - 70px)}.mobile-menu-btn{display:none;position:fixed;top:1rem;left:1rem;z-index:98;background:linear-gradient(135deg,#2c3e50,#4a5568);border:none;color:#fff;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #00000026;transition:all .2s ease}.mobile-menu-btn:hover{transform:scale(1.05);box-shadow:0 6px 16px #0003}.mobile-menu-btn svg{font-size:1.5rem;display:block}@media(max-width:768px){.main-content{margin-left:0;width:100%}.mobile-menu-btn{display:flex}}.auth-container{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2c3e50,#4a5568);padding:2rem;overflow:hidden}.floating-shapes{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:0}.shape{position:absolute;background:#ffffff08;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.08);border-radius:20px}.shape-1{width:300px;height:300px;top:-50px;left:-50px;animation:float 20s ease-in-out infinite;background:linear-gradient(135deg,#485aa11a,#485aa10d)}.shape-2{width:200px;height:200px;top:60%;right:-30px;border-radius:50%;animation:float 15s ease-in-out infinite 2s;background:linear-gradient(135deg,#ffffff14,#ffffff08)}.shape-3{width:150px;height:150px;bottom:10%;left:10%;animation:float 18s ease-in-out infinite 4s;transform:rotate(45deg)}.shape-4{width:250px;height:250px;top:20%;right:15%;border-radius:30% 70% 70% 30%/30% 30% 70% 70%;animation:float 22s ease-in-out infinite 1s;background:linear-gradient(135deg,#485aa114,#485aa108)}.shape-5{width:180px;height:180px;bottom:30%;right:5%;border-radius:50%;animation:float 16s ease-in-out infinite 3s}.shape-6{width:120px;height:120px;top:40%;left:5%;animation:float 14s ease-in-out infinite 5s;background:linear-gradient(135deg,#ffffff0f,#ffffff05)}.tool-icon-float{position:absolute;font-size:3rem;opacity:.2;z-index:0;filter:blur(1px);color:var(--text-tertiary)}.tool-icon-1{top:15%;left:8%;animation:float-slow 25s ease-in-out infinite}.tool-icon-2{top:70%;left:15%;animation:float-slow 20s ease-in-out infinite 3s}.tool-icon-3{top:25%;right:10%;animation:float-slow 22s ease-in-out infinite 2s}.tool-icon-4{bottom:15%;right:20%;animation:float-slow 18s ease-in-out infinite 4s}@keyframes float{0%,to{transform:translateY(0) translate(0) rotate(0)}25%{transform:translateY(-30px) translate(20px) rotate(5deg)}50%{transform:translateY(-15px) translate(-20px) rotate(-5deg)}75%{transform:translateY(-40px) translate(10px) rotate(3deg)}}@keyframes float-slow{0%,to{transform:translateY(0) translate(0);opacity:.15}50%{transform:translateY(-50px) translate(30px);opacity:.25}}.auth-card{position:relative;z-index:1;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:20px;padding:2rem;width:100%;max-width:380px;box-shadow:0 20px 60px #0000004d}@media(min-width:768px){.auth-card{padding:2.5rem 3rem;max-width:420px}}@media(min-width:1024px){.auth-card{max-width:490px;padding:3rem 3.75rem}.auth-header h1{font-size:2.1rem}.auth-header p{font-size:1rem}.form-group label{font-size:.95rem}.form-group input{padding:1rem 1.25rem;font-size:1rem}.btn{padding:1rem 2rem;font-size:1rem}}@media(min-width:1440px){.auth-card{max-width:565px;padding:3.75rem 4.5rem}.auth-header h1{font-size:2.5rem}.auth-header p{font-size:1.05rem}.form-group label{font-size:1rem}.form-group input{padding:1.1rem 1.35rem;font-size:1.05rem}.btn{padding:1.1rem 2.25rem;font-size:1.05rem}}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{font-size:2rem;color:var(--text-primary);margin-bottom:.5rem}.auth-header p{color:var(--text-secondary);font-size:1rem}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:var(--text-primary);font-size:.9rem}.form-group input{padding:.875rem 1rem;border:2px solid var(--border-primary);border-radius:10px;font-size:1rem;transition:all .3s ease;background:var(--bg-primary);color:var(--text-primary)}.form-group input:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}.form-group input:disabled{background:var(--bg-tertiary);cursor:not-allowed}.btn{padding:.875rem 1.5rem;border:none;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease}.btn-primary{background:linear-gradient(135deg,#2c3e50,#4a5568);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #2c3e5066}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#485aa11a;color:var(--accent-secondary);border:1px solid rgba(72,90,161,.3)}.btn-block{width:100%}.alert{padding:1rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.auth-footer{text-align:center;margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border-primary)}.auth-footer p{color:var(--text-secondary);font-size:.9rem}.auth-footer a{color:var(--accent-secondary);text-decoration:none;font-weight:600}.auth-footer a:hover{text-decoration:underline}@media(max-width:640px){.auth-card{padding:2rem 1.5rem}.auth-header h1{font-size:1.75rem}.form-group input{padding:1rem;font-size:16px}}.dashboard{min-height:100vh;background:var(--bg-secondary)}.dashboard-content{padding:2rem;max-width:100%}@media(min-width:768px){.dashboard-content{padding:2.5rem}}@media(min-width:1024px){.dashboard-content{padding:3rem}}.welcome-section{background:var(--bg-primary);border-radius:12px;padding:1.5rem;margin-bottom:2rem;box-shadow:var(--shadow-sm);border:1px solid var(--border-primary)}.welcome-section h1{font-size:1.5rem;color:var(--text-primary);margin-bottom:.5rem}.welcome-section p{font-size:.95rem;color:var(--text-secondary);margin:0}@media(min-width:1024px){.welcome-section{padding:2rem}.welcome-section h1{font-size:1.75rem}.welcome-section p{font-size:1rem}}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.25rem;margin-bottom:2rem}@media(min-width:768px){.tools-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.tools-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:1400px){.tools-grid{grid-template-columns:repeat(4,1fr)}}.tool-card{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;text-align:center;box-shadow:var(--shadow-sm);transition:all .3s ease}.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.tool-icon{font-size:2.5rem;margin-bottom:.75rem;color:var(--accent-secondary)}.tool-card h3{font-size:1rem;color:var(--text-primary);margin-bottom:.5rem}.tool-card p{color:var(--text-secondary);margin-bottom:1rem;font-size:.875rem}.tool-card button:disabled{opacity:.5;cursor:not-allowed}.subscription-info{background:linear-gradient(135deg,#2c3e50,#4a5568);border-radius:12px;padding:2rem;text-align:center;color:#fff}.subscription-info h3{font-size:1.25rem;margin-bottom:.75rem}.subscription-info p{font-size:.95rem;margin-bottom:1.5rem;opacity:.9}.subscription-info .btn-primary{background:#fff;color:var(--accent-secondary)}.subscription-info .btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}@media(min-width:1024px){.subscription-info{padding:2.5rem}.subscription-info h3{font-size:1.5rem}.subscription-info p{font-size:1rem}}@media(max-width:768px){.tools-grid{grid-template-columns:1fr}}.marketplace{min-height:100vh;background:var(--bg-secondary)}.marketplace-content{padding:2rem;max-width:100%}@media(min-width:768px){.marketplace-content{padding:2.5rem}}@media(min-width:1024px){.marketplace-content{padding:3rem}}.marketplace-header{margin-bottom:2rem}.marketplace-header h1{font-size:1.75rem;color:var(--text-primary);margin:0 0 .5rem}.marketplace-header p{color:var(--text-secondary);font-size:.95rem;margin:0}.marketplace-filters{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-tertiary);font-size:1.25rem;pointer-events:none}.search-input{width:100%;padding:.875rem 1rem .875rem 3rem;border:2px solid var(--border-primary);border-radius:8px;font-size:.95rem;transition:all .2s ease;font-family:inherit;background:var(--bg-primary);color:var(--text-primary)}.category-filter{position:relative;min-width:200px}.filter-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-tertiary);font-size:1.25rem;pointer-events:none;z-index:1}.category-select{width:100%;padding:.875rem 2.5rem .875rem 3rem;border:2px solid var(--border-primary);border-radius:8px;font-size:.95rem;transition:all .2s ease;font-family:inherit;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}.category-select:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}.category-select:hover{border-color:var(--text-tertiary)}.no-results{grid-column:1 / -1;text-align:center;padding:3rem;color:var(--text-secondary)}.no-results p{margin:0;font-size:1.1rem}.tools-marketplace-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}@media(min-width:640px){.tools-marketplace-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.tools-marketplace-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:1280px){.tools-marketplace-grid{grid-template-columns:repeat(4,1fr)}}.marketplace-card{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-sm);transition:all .3s ease;display:flex;flex-direction:column}.marketplace-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.marketplace-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.marketplace-icon{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,#2c3e50,#4a5568);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.marketplace-category{font-size:.75rem;color:var(--accent-secondary);background:#485aa11a;padding:.25rem .75rem;border-radius:12px;font-weight:600}.marketplace-card h3{font-size:1.125rem;color:var(--text-primary);margin:0 0 .5rem}.marketplace-description{color:var(--text-secondary);font-size:.875rem;margin:0 0 1rem;line-height:1.5;flex:1}.marketplace-features{list-style:none;padding:0;margin:0 0 1.25rem}.marketplace-features li{color:var(--text-secondary);font-size:.85rem;padding:.35rem 0;display:flex;align-items:center;gap:.5rem}.marketplace-footer{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:1rem;padding-top:1rem;border-top:1px solid var(--border-primary)}.marketplace-status{font-size:.7rem;font-weight:600;padding:.25rem .65rem;border-radius:6px;text-transform:uppercase;letter-spacing:.3px;display:inline-block}.marketplace-status.active{background:#485aa11a;color:var(--accent-secondary)}.marketplace-status.inactive{background:#6b72801a;color:var(--text-secondary)}.toggle-switch{position:relative;display:inline-block;width:48px;height:24px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:var(--border-primary);transition:.3s;border-radius:24px}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:var(--bg-primary);transition:.3s;border-radius:50%;box-shadow:0 1px 3px #0003}.toggle-switch input:checked+.toggle-slider{background:linear-gradient(135deg,#485aa1,#5a6fb8)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(24px)}.toggle-switch input:disabled+.toggle-slider{opacity:.5;cursor:not-allowed}.marketplace-toggle-container{display:flex;align-items:center;gap:.75rem}.marketplace-footer .btn{padding:.625rem 1.25rem;font-size:.875rem;white-space:nowrap}@media(max-width:640px){.marketplace-header h1{font-size:1.5rem}.tools-marketplace-grid{grid-template-columns:1fr}}.calculator-page{min-height:100vh;background:var(--bg-secondary)}.calculator-content{padding:2rem;max-width:800px;margin:0 auto}.calculator-header{margin-bottom:2rem}.calculator-header h1{font-size:1.75rem;color:var(--text-primary);margin:0 0 .5rem}.calculator-header p{color:var(--text-secondary);font-size:.95rem;margin:0}.calculator-container{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:20px;padding:2rem;box-shadow:var(--shadow-md);margin-bottom:2rem}.calculator-display{background:linear-gradient(135deg,#2c3e50,#4a5568);color:#fff;font-size:2.5rem;font-weight:300;text-align:right;padding:1.5rem;border-radius:12px;margin-bottom:1.5rem;min-height:80px;display:flex;align-items:center;justify-content:flex-end;word-break:break-all;font-family:Courier New,monospace}.calculator-buttons{display:flex;flex-direction:column;gap:.75rem}.calculator-row{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem}.calculator-btn{padding:1.5rem;font-size:1.25rem;font-weight:600;border:none;border-radius:12px;background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;transition:all .2s ease;-webkit-user-select:none;user-select:none}.calculator-btn:hover{background:var(--border-primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.calculator-btn:active{transform:translateY(0)}.calculator-btn.function{background:#dbeafe;color:#1e40af}.calculator-btn.function:hover{background:#bfdbfe}.calculator-btn.operator{background:#485aa1;color:#fff}.calculator-btn.operator:hover{background:#3d4c8a}.calculator-btn.equals{background:linear-gradient(135deg,#2c3e50,#4a5568);color:#fff}.calculator-btn.equals:hover{opacity:.9}.calculator-info{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-sm)}.calculator-info h3{font-size:1.125rem;color:var(--text-primary);margin:0 0 1rem}.calculator-info ul{list-style:none;padding:0;margin:0}.calculator-info li{color:var(--text-secondary);font-size:.9rem;padding:.5rem 0;border-bottom:1px solid var(--border-primary)}.calculator-info li:last-child{border-bottom:none}.calculator-info strong{color:var(--accent-secondary);font-weight:700}@media(max-width:640px){.calculator-content{padding:1rem}.calculator-container{padding:1.5rem}.calculator-display{font-size:2rem;padding:1rem;min-height:60px}.calculator-btn{padding:1.25rem;font-size:1.125rem}.calculator-row,.calculator-buttons{gap:.5rem}}.qr-generator{min-height:100vh;background:var(--bg-secondary);padding:2rem}.qr-generator-container{max-width:1200px;margin:0 auto}.qr-generator-header{margin-bottom:2rem}.qr-generator-header h1{font-size:2rem;color:var(--text-primary);margin:0 0 .5rem;background:linear-gradient(135deg,#2c3e50,#485aa1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.qr-generator-header p{color:var(--text-secondary);font-size:1rem;margin:0}.qr-generator-content{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.qr-input-section{display:flex;flex-direction:column;gap:1.5rem}.qr-input-group{display:flex;flex-direction:column;gap:.75rem}.qr-input-group label{display:flex;align-items:center;gap:.5rem;font-weight:600;color:var(--text-primary);font-size:.9rem}.qr-input-group label svg{font-size:1.2rem;color:var(--accent-secondary)}.qr-input{width:100%;padding:.875rem 1rem;border:2px solid var(--border-primary);border-radius:8px;font-size:1rem;transition:all .2s ease;font-family:inherit;background:var(--bg-primary);color:var(--text-primary)}.qr-input:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}.qr-logo-upload{display:flex;gap:.75rem;align-items:center}.qr-file-input{display:none}.qr-upload-btn{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:linear-gradient(135deg,#485aa1,#5a6fb8);color:#fff!important;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.9rem}.qr-upload-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #485aa14d;color:#fff!important}.qr-upload-btn svg{font-size:1.2rem;color:#fff!important;fill:#fff!important}.qr-upload-btn svg path{fill:#fff!important;stroke:#fff!important}.qr-remove-btn{display:flex;align-items:center;justify-content:center;padding:.75rem;background:#dc26261a;color:#dc2626;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.qr-remove-btn:hover{background:#dc262633}.qr-remove-btn svg{font-size:1.2rem}.qr-logo-preview{width:100px;height:100px;border-radius:8px;overflow:hidden;border:2px solid var(--border-primary);background:var(--bg-primary)}.qr-logo-preview img{width:100%;height:100%;object-fit:contain}.qr-range{width:100%;height:6px;border-radius:5px;background:var(--border-primary);outline:none;-webkit-appearance:none}.qr-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#485aa1,#5a6fb8);cursor:pointer;box-shadow:0 2px 6px #485aa14d}.qr-range::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#485aa1,#5a6fb8);cursor:pointer;border:none;box-shadow:0 2px 6px #485aa14d}.qr-preview-section{display:flex;flex-direction:column;gap:1rem;background:var(--bg-primary);border:1px solid var(--border-primary);padding:2rem;border-radius:12px;box-shadow:var(--shadow-md);align-items:center}.qr-preview-label{font-weight:600;color:var(--text-primary);font-size:1rem;align-self:flex-start}.qr-code-wrapper{display:flex;justify-content:center;align-items:center;padding:1.5rem;background:var(--bg-primary);border-radius:8px}.qr-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:3rem;background:var(--bg-secondary);border:2px dashed var(--border-primary);border-radius:8px;min-height:300px}.qr-placeholder svg{font-size:4rem;color:var(--text-tertiary)}.qr-placeholder p{color:var(--text-tertiary);text-align:center;margin:0}.qr-download-btn{display:flex;align-items:center;gap:.5rem;padding:.875rem 2rem;background:linear-gradient(135deg,#2c3e50,#4a5568);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:1rem;margin-top:1rem}.qr-download-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #2c3e504d}.qr-download-btn svg{font-size:1.3rem}@media(max-width:1024px){.qr-generator-content{grid-template-columns:1fr}}@media(max-width:640px){.qr-generator{padding:1rem}.qr-generator-header h1{font-size:1.5rem}.qr-preview-section{padding:1.5rem}.qr-code-wrapper{padding:1rem}.qr-placeholder{padding:2rem;min-height:200px}}.base64-converter{min-height:100vh;background:var(--bg-secondary);padding:2rem}.base64-container{max-width:1400px;margin:0 auto}.base64-header{margin-bottom:2rem}.base64-header h1{font-size:2rem;color:var(--text-primary);margin:0 0 .5rem;background:linear-gradient(135deg,#2c3e50,#485aa1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.base64-header p{color:var(--text-secondary);font-size:1rem;margin:0}.base64-content{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:2rem}.base64-section{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:2rem;box-shadow:var(--shadow-sm)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid var(--border-primary)}.section-header h2{font-size:1.25rem;color:var(--text-primary);margin:0}.clear-btn{display:flex;align-items:center;justify-content:center;padding:.5rem;background:#6b72801a;color:var(--text-secondary);border:none;border-radius:6px;cursor:pointer;transition:all .2s ease}.clear-btn:hover{background:#6b728033;transform:rotate(180deg)}.clear-btn svg{font-size:1.25rem}.input-group,.output-group{margin-bottom:1.5rem}.input-group label,.output-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:.75rem;font-size:.9rem}.base64-textarea{width:100%;padding:1rem;border:2px solid var(--border-primary);border-radius:8px;font-size:.95rem;font-family:Monaco,Courier New,monospace;resize:vertical;transition:all .2s ease;background:var(--bg-primary);color:var(--text-primary)}.base64-textarea:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}.base64-textarea.output{background:var(--bg-secondary);cursor:default}.convert-btn{width:100%;padding:.875rem 1.5rem;background:linear-gradient(135deg,#485aa1,#5a6fb8);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:1rem;margin-bottom:1.5rem}.convert-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #485aa14d}.convert-btn:disabled{opacity:.5;cursor:not-allowed}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.copy-btn{display:flex;align-items:center;justify-content:center;padding:.5rem;background:linear-gradient(135deg,#485aa1,#5a6fb8);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .2s ease}.copy-btn:hover{transform:translateY(-2px);box-shadow:0 2px 8px #485aa14d}.copy-btn svg{font-size:1.1rem}.error-message{padding:1rem;background:#dc26261a;color:#dc2626;border-radius:8px;font-size:.9rem;margin-bottom:1rem}.base64-info{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:2rem;box-shadow:var(--shadow-sm)}.base64-info h3{font-size:1.1rem;color:var(--text-primary);margin:0 0 1rem}.base64-info p{color:var(--text-secondary);line-height:1.6;margin:0}@media(max-width:1024px){.base64-content{grid-template-columns:1fr}}@media(max-width:640px){.base64-converter{padding:1rem}.base64-header h1{font-size:1.5rem}.base64-section{padding:1.5rem}.base64-textarea{font-size:.85rem}}.todo-list{min-height:100vh;background:var(--bg-secondary);padding:2rem;max-width:100%}@media(min-width:768px){.todo-list{padding:2.5rem}}@media(min-width:1024px){.todo-list{padding:3rem}}.todo-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem;gap:2rem}.todo-header h1{margin:0;font-size:2rem;color:var(--text-primary)}.todo-subtitle{margin:.5rem 0 0;color:var(--text-secondary);font-size:1rem}.btn-create{display:flex;align-items:center;gap:.5rem;padding:.875rem 1.5rem;background:linear-gradient(135deg,#2c3e50,#485aa1);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-create:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2c3e504d}.todo-filters{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.search-bar{position:relative;flex:1;min-width:250px}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#9ca3af;font-size:1.25rem;pointer-events:none}.search-input{width:100%;padding:.875rem 1rem .875rem 3rem;border:2px solid var(--border-primary);border-radius:8px;font-size:1rem;background:var(--bg-primary);color:var(--text-primary);transition:all .2s}.search-input:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}.filter-select{padding:.875rem 1rem;border:2px solid var(--border-primary);border-radius:8px;font-size:1rem;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;transition:all .2s;min-width:150px}.filter-select:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}.todo-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:linear-gradient(135deg,#f8fafc,#e2e8f0);border:1px solid #cbd5e1;border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:.5rem}.stat-label{font-size:.875rem;color:#64748b;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:2rem;font-weight:700;color:#1f2937}.todo-table-container{background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-primary);overflow:hidden;box-shadow:var(--shadow-sm)}.todo-table{width:100%;border-collapse:collapse}.todo-table thead{background:var(--bg-tertiary);border-bottom:2px solid var(--border-primary)}.todo-table th{padding:1rem;text-align:left;font-weight:600;color:var(--text-primary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.todo-table td{padding:1rem;border-bottom:1px solid var(--border-primary);color:var(--text-primary)}.todo-table tbody tr{transition:background-color .2s}.todo-table tbody tr:hover{background-color:var(--bg-tertiary)}.todo-table tbody tr:last-child td{border-bottom:none}.completed-row{opacity:.6}.completed-row:hover{opacity:.8}.col-status{width:60px;text-align:center}.col-description{min-width:250px}.col-category{width:150px}.col-priority{width:120px}.col-date{width:130px}.col-actions{width:120px;text-align:right}.btn-toggle-status{background:none;border:none;cursor:pointer;padding:.25rem;display:flex;align-items:center;justify-content:center}.icon-completed{font-size:1.5rem;color:#16a34a}.icon-pending{width:20px;height:20px;border:2px solid #cbd5e1;border-radius:4px;transition:all .2s}.icon-pending:hover{border-color:#485aa1;background:#f0f4ff}.strikethrough{text-decoration:line-through;color:#9ca3af}.badge{display:inline-block;padding:.375rem .75rem;border-radius:6px;font-size:.875rem;font-weight:500;color:#fff}.badge-category{background:#6366f1}.badge-priority{color:#fff}.btn-icon{background:none;border:none;cursor:pointer;padding:.5rem;font-size:1.25rem;color:#6b7280;transition:all .2s;border-radius:6px}.btn-icon:hover{background:#f3f4f6}.btn-edit:hover{color:#2563eb}.btn-delete:hover{color:#dc2626}.no-results{text-align:center;padding:3rem 1rem;color:#9ca3af;font-size:1rem}.todo-loading,.todo-error{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center}.todo-error{color:#dc2626}.btn-retry{margin-top:1rem;padding:.75rem 1.5rem;background:#2563eb;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1rem}.btn-retry:hover{background:#1d4ed8}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-content{background:var(--bg-primary);border-radius:12px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--border-primary)}.modal-header h2{margin:0;font-size:1.5rem;color:var(--text-primary)}.btn-close{background:none;border:none;cursor:pointer;padding:.5rem;font-size:1.5rem;color:#6b7280;transition:all .2s;border-radius:6px}.btn-close:hover{background:#f3f4f6;color:#1f2937}.modal-form{padding:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#374151;font-size:.875rem}.form-control{width:100%;padding:.75rem;border:2px solid var(--border-primary);border-radius:8px;font-size:1rem;font-family:inherit;background:var(--bg-primary);color:var(--text-primary);transition:all .2s}.form-control:focus{outline:none;border-color:var(--accent-secondary);box-shadow:0 0 0 3px #485aa11a}textarea.form-control{resize:vertical;min-height:100px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;padding-top:1.5rem;border-top:1px solid #e5e7eb}.btn-primary,.btn-secondary{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:linear-gradient(135deg,#2c3e50,#485aa1);color:#fff}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2c3e504d}.btn-secondary{background:#f3f4f6;color:#374151}.btn-secondary:hover{background:#e5e7eb}.todo-cards{display:none}.todo-card{background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-primary);padding:1.25rem;margin-bottom:1rem;box-shadow:var(--shadow-sm);transition:all .2s}.todo-card:hover{box-shadow:var(--shadow-md)}.todo-card.completed{opacity:.7}.todo-card-header{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1rem}.todo-card-checkbox{flex-shrink:0;margin-top:.25rem}.todo-card-content{flex:1;min-width:0}.todo-card-description{font-size:1rem;color:var(--text-primary);margin-bottom:.75rem;word-wrap:break-word}.todo-card-description.strikethrough{text-decoration:line-through;color:#9ca3af}.todo-card-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem}.todo-card-meta-item{display:flex;align-items:center;gap:.25rem;font-size:.875rem;color:#6b7280}.todo-card-meta-item .badge{font-size:.8125rem;padding:.25rem .625rem}.todo-card-dates{display:flex;flex-direction:column;gap:.375rem;font-size:.8125rem;color:#9ca3af;margin-bottom:.75rem}.todo-card-actions{display:flex;justify-content:flex-end;gap:.5rem;padding-top:.75rem;border-top:1px solid #f3f4f6}@media(max-width:768px){.todo-list{padding:1rem}.todo-header{flex-direction:column;align-items:stretch;gap:1rem}.todo-header h1{font-size:1.5rem}.todo-subtitle{font-size:.875rem}.btn-create{width:100%;justify-content:center}.todo-filters{flex-direction:column}.search-bar{min-width:100%}.filter-select{width:100%}.todo-stats{grid-template-columns:repeat(2,1fr)}.stat-card{padding:1rem}.stat-value{font-size:1.5rem}.todo-table-container{display:none}.todo-cards{display:block}.form-row{grid-template-columns:1fr}.modal-content{margin:.5rem}.modal-header h2{font-size:1.25rem}}@media(max-width:480px){.todo-stats{grid-template-columns:1fr}.todo-card{padding:1rem}.btn-icon{padding:.375rem;font-size:1.125rem}}.settings-container{padding:2rem;max-width:1400px;margin:0 auto}.settings-header{margin-bottom:2rem}.settings-header h1{font-size:1.75rem;color:var(--text-primary);margin:0 0 .5rem}.settings-header p{color:var(--text-secondary);font-size:.95rem;margin:0}.settings-content{width:100%}.settings-grid{display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:1024px){.settings-grid{grid-template-columns:1fr 1fr}}.settings-section{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-sm)}.settings-section h2{font-size:1.1rem;color:var(--text-primary);margin:0 0 1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-primary)}.setting-item{padding:1rem 0;border-bottom:1px solid var(--border-primary)}.setting-item:last-child{border-bottom:none}.setting-item label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:.25rem;font-weight:500}.setting-value{font-size:.95rem;color:var(--text-primary);margin:0;word-break:break-all}.subscription-card{background:var(--subscription-bg);border-radius:12px;padding:1.5rem;color:var(--subscription-text)}.subscription-badge{display:inline-block;background:var(--subscription-badge-bg);padding:.25rem .75rem;border-radius:20px;font-size:.75rem;font-weight:600;margin-bottom:.75rem}.subscription-card h3{font-size:1.25rem;margin:0 0 .5rem}.subscription-price{font-size:1.5rem;font-weight:600;margin:0 0 .75rem}.subscription-description{font-size:.9rem;opacity:.9;margin:0 0 1.5rem}.subscription-stats{display:flex;gap:1.5rem;margin-bottom:1.5rem;padding-top:1rem;border-top:1px solid var(--subscription-border)}.subscription-stat{display:flex;flex-direction:column;gap:.25rem}.subscription-stat .stat-label{font-size:.75rem;opacity:.8;text-transform:uppercase;letter-spacing:.5px}.subscription-stat .stat-value{font-size:1.1rem;font-weight:600}.subscription-features{padding-top:1rem;border-top:1px solid var(--subscription-border)}.subscription-features .features-title{font-size:.85rem;font-weight:600;margin:0 0 .75rem;opacity:.9}.subscription-features ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.subscription-features li{font-size:.85rem;opacity:.9}.subscription-loading,.subscription-empty{padding:2rem;text-align:center;color:var(--text-secondary)}.subscription-loading p,.subscription-empty p{margin:0}@media(max-width:768px){.settings-container{padding:1.5rem}.settings-header h1{font-size:1.5rem}.subscription-stats{flex-direction:column;gap:1rem}}:root{--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--text-primary: #1f2937;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--border-primary: #e5e7eb;--border-secondary: #d1d5db;--accent-primary: #2c3e50;--accent-secondary: #485aa1;--success: #16a34a;--warning: #ca8a04;--error: #dc2626;--info: #2563eb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--sidebar-bg: linear-gradient(180deg, #2c3e50 0%, #485aa1 100%);--sidebar-text: #ffffff;--sidebar-hover: rgba(255, 255, 255, .1);--subscription-bg: linear-gradient(135deg, #2c3e50 0%, #4a5568 100%);--subscription-text: #ffffff;--subscription-badge-bg: #485aa1;--subscription-border: rgba(255, 255, 255, .2)}.dark-mode{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f1624;--text-primary: #e5e7eb;--text-secondary: #9ca3af;--text-tertiary: #6b7280;--border-primary: #374151;--border-secondary: #4b5563;--accent-primary: #60a5fa;--accent-secondary: #818cf8;--success: #22c55e;--warning: #eab308;--error: #ef4444;--info: #3b82f6;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .3);--sidebar-bg: linear-gradient(180deg, #0f1624 0%, #1a1a2e 100%);--sidebar-text: #e5e7eb;--sidebar-hover: rgba(255, 255, 255, .15);--subscription-bg: linear-gradient(135deg, #2d4a6e 0%, #3d5a7e 100%);--subscription-text: #e5e7eb;--subscription-badge-bg: #5a7bb8;--subscription-border: rgba(255, 255, 255, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-secondary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}