:root{--bg-color:#0f172a;--surface:#1e293b;--primary:#f59e0b;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#334155;--radius:16px;--transition:all .2s ease-out}:root.light-mode{--bg-color:#f8fafc;--surface:#fff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);min-height:100vh;font-family:Inter,system-ui,sans-serif;line-height:1.5}#app{flex-direction:column;max-width:1100px;min-height:100vh;margin:0 auto;padding:0 2rem;display:flex}.logo{letter-spacing:-.05em;cursor:pointer;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:800;display:flex}.cat-icon,.highlight{color:var(--primary)}.upgrade-btn{color:#fff;cursor:pointer;transition:var(--transition);background:linear-gradient(135deg,#f59e0b,#d97706);border:none;border-radius:999px;padding:.6rem 1.25rem;font-weight:600;box-shadow:0 4px 14px #f59e0b4d}.upgrade-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f59e0b66}.hero{text-align:center;margin:5rem 0}.hero h2{letter-spacing:-.05em;background:linear-gradient(90deg,#fff,#94a3b8);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:3.5rem;font-weight:800;line-height:1.1}.hero p{color:var(--text-muted);font-size:1.25rem}.tool-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:5rem;display:grid}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;will-change:transform, opacity;padding:2rem;transition:border-color .2s ease-out,box-shadow .2s ease-out;position:relative;overflow:hidden}.tool-card:hover{border-color:var(--primary);box-shadow:0 10px 30px #0003}.tool-icon{margin-bottom:1rem;font-size:2.5rem}.tool-card h3{margin-bottom:.5rem;font-size:1.25rem}.tool-card p{color:var(--text-muted);font-size:.95rem}footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border);margin-top:auto;padding:2rem 0;font-size:.875rem}input[type=text],input[type=number],input[type=password],input[type=email],input[type=url],input[type=file],textarea,select{background:var(--surface);border:1.5px solid var(--border);width:100%;color:var(--text-main);border-radius:12px;outline:none;padding:.85rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s ease-out,box-shadow .2s ease-out}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #f59e0b33}.action-btn{background:var(--surface);color:var(--text-main);border:1px solid var(--border);cursor:pointer;transition:var(--transition);border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.25rem;font-weight:500;display:inline-flex}.action-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}a{color:var(--primary);text-decoration:none;transition:color .2s 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.9rem;font-size:.8rem;font-weight:600;display:inline-block}.search-wrapper{align-items:center;max-width:560px;margin:2rem auto 0;display:flex;position:relative}.search-wrapper .search-icon{pointer-events:none;opacity:.6;font-size:1rem;position:absolute;left:1.1rem}#tool-search{background:var(--surface);border:1.5px solid var(--border);width:100%;color:var(--text-main);border-radius:999px;outline:none;padding:.85rem 3rem .85rem 2.8rem;font-family:inherit;font-size:1rem;transition:border-color .2s ease-out,box-shadow .2s ease-out}#tool-search:focus{border-color:var(--primary);box-shadow:0 0 0 3px #f59e0b33}#tool-search::placeholder{color:var(--text-muted)}.search-kbd{border:1px solid var(--border);color:var(--text-muted);pointer-events:none;background:#ffffff0f;border-radius:5px;padding:.15rem .5rem;font-family:monospace;font-size:.75rem;position:absolute;right:1rem}.search-wrapper:focus-within .search-kbd{display:none}.category-nav{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0f172aeb;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1.5rem -2rem 0;padding:.75rem 1rem;display:flex;position:sticky;top:0}.cat-nav-link{color:var(--text-muted);white-space:nowrap;border-radius:999px;padding:.35rem .85rem;font-size:.85rem;font-weight:500;text-decoration:none;transition:background .15s ease-out,color .15s ease-out}.cat-nav-link:hover{color:var(--primary);background:#f59e0b1f}.category-title{color:var(--text-main);text-align:center;justify-content:center;align-items:center;gap:.6rem;margin-top:3rem;margin-bottom:1.25rem;font-size:1.4rem;display:flex}.cat-count{color:var(--text-muted);font-size:.9rem;font-weight:400}.popular-card{background:linear-gradient(135deg, var(--surface), #f59e0b0d);border-color:#f59e0b4d!important}.popular-card:before{content:"⭐";opacity:.6;font-size:.8rem;position:absolute;top:.75rem;right:.75rem}.badge-new{color:#fff;letter-spacing:.05em;vertical-align:middle;background:linear-gradient(135deg,#10b981,#059669);border-radius:4px;margin-left:.4rem;padding:.15rem .45rem;font-size:.6rem;font-weight:700;animation:2.5s ease-in-out infinite badgePulse;display:inline-block}@keyframes badgePulse{0%,to{box-shadow:0 0 #10b98166}50%{box-shadow:0 0 0 5px #10b98100}}.back-to-top-btn{z-index:9000;background:var(--primary);color:#0f172a;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.25rem;font-weight:700;transition:transform .2s ease-out,box-shadow .2s ease-out;display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 4px 20px #f59e0b66}.back-to-top-btn:hover{transform:translateY(-3px);box-shadow:0 8px 28px #f59e0b8c}.light-mode .category-nav{background:#f8fafcf2}.light-mode #tool-search{background:#fff}.light-mode .popular-card{background:linear-gradient(135deg,#fff,#f59e0b12)}.modal-backdrop{-webkit-backdrop-filter:blur(8px);z-index:9999;opacity:0;pointer-events:none;background:#0f172ad1;justify-content:center;align-items:center;transition:opacity .3s ease-out;display:flex;position:fixed;inset:0}.modal-backdrop.visible{opacity:1;pointer-events:auto}.modal-content{background:var(--surface);border:1px solid var(--border);opacity:0;border-radius:24px;width:90%;max-width:400px;padding:2.5rem;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),opacity .3s ease-out;transform:translateY(20px)scale(.95);box-shadow:0 25px 50px -12px #00000080}.modal-backdrop.visible .modal-content{opacity:1;transform:translateY(0)scale(1)}@media (width<=768px){.modal-backdrop{align-items:flex-end}.modal-content{width:100%;max-width:100%;padding:2rem 1.5rem;padding-bottom:max(2rem, env(safe-area-inset-bottom));border:none;border-top:1px solid var(--border);border-radius:24px 24px 0 0;margin:0;transform:translateY(100%)}.modal-backdrop.visible .modal-content{transform:translateY(0)}input[type=range]{height:48px}input[type=color]{height:60px!important}button,.upgrade-btn,.action-btn{min-height:52px;font-size:1.05rem}}.header{background:var(--bg-color);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:60px;padding:0 2rem;display:flex}.nav-center-links{align-items:center;gap:2rem;display:flex}.nav-link{color:var(--text-muted);font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s;position:relative}.nav-link:after{content:"";background:var(--accent);border-radius:2px;height:2px;transition:transform .2s;position:absolute;bottom:-2px;left:0;right:0;transform:scaleX(0)}.nav-link:hover{color:var(--text-main)}.nav-link:hover:after{transform:scaleX(1)}.nav-signin-btn{border:1.5px solid var(--border);color:var(--text-main);cursor:pointer;background:0 0;border-radius:8px;padding:.4rem 1rem;font-size:.875rem;font-weight:600;transition:border-color .2s,color .2s}.nav-signin-btn:hover{border-color:var(--accent);color:var(--accent)}.nav-pro-badge{letter-spacing:.08em;color:#f59e0b;background:#f59e0b1f;border:1px solid #f59e0b59;border-radius:20px;padding:.25rem .65rem;font-size:.75rem;font-weight:700}.theme-toggle-btn{cursor:pointer;background:0 0;border:none;border-radius:8px;padding:.35rem;font-size:1.1rem;line-height:1;transition:background .2s}.theme-toggle-btn:hover{background:var(--surface)}.nav-avatar-wrapper{position:relative}.nav-avatar-btn{cursor:pointer;color:var(--text-main);background:0 0;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.3rem .5rem;font-size:.875rem;font-weight:500;transition:background .2s;display:flex}.nav-avatar-btn:hover{background:var(--surface)}.nav-avatar-img{object-fit:cover;border:2px solid var(--border);border-radius:50%;width:30px;height:30px}.nav-avatar-name{white-space:nowrap;text-overflow:ellipsis;max-width:80px;overflow:hidden}.nav-dropdown{background:var(--surface);border:1px solid var(--border);opacity:0;pointer-events:none;z-index:9999;border-radius:10px;min-width:185px;transition:opacity .15s,transform .15s;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden;transform:translateY(-8px);box-shadow:0 8px 30px #0000004d}.nav-dropdown.open{opacity:1;pointer-events:all;transform:translateY(0)}.nav-dropdown-item{color:var(--text-main);cursor:pointer;padding:.65rem 1rem;font-size:.875rem;text-decoration:none;transition:background .15s;display:block}.nav-dropdown-item:hover{background:var(--bg-color)}.nav-dropdown-divider{background:var(--border);height:1px;margin:.25rem 0}.nav-dropdown-signout{color:#f87171}.nav-dropdown-signout:hover{background:#f8717114}@media (width<=600px){.nav-center-links,.nav-avatar-name{display:none}.header{padding:0 1rem}}#nav-actions .pro-btn,#nav-actions .upgrade-btn{min-height:unset!important;white-space:nowrap!important;padding:.45rem 1rem!important;font-size:.82rem!important}#global-drag-overlay{z-index:99999;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;pointer-events:none;background:#000000b3;flex-direction:column;justify-content:center;align-items:center;transition:opacity .2s;display:none;position:fixed;inset:0}#global-drag-overlay.drag-active{animation:.2s forwards fadeIn;display:flex}.drag-content{border:4px dashed var(--primary);text-align:center;background:rgba(var(--bg-rgb), .5);border-radius:2rem;padding:4rem 6rem;animation:.3s cubic-bezier(.175,.885,.32,1.275) forwards popIn;transform:scale(.95);box-shadow:0 20px 40px #00000080}.drag-content h2{background:linear-gradient(135deg,#f59e0b,#d97706);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:1rem 0 .5rem;font-size:2.5rem;font-weight:800}.drag-content p{color:#ccc;margin:0;font-size:1.2rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@media (width<=768px){.action-btn,.upgrade-btn{justify-content:center;align-items:center;min-height:52px;display:flex}input[type=range]::-webkit-slider-thumb{width:28px!important;height:28px!important}input[type=range]::-moz-range-thumb{width:28px!important;height:28px!important}body.has-sticky-action{padding-bottom:90px!important}.mobile-sticky-action{z-index:9999!important;background:var(--bg-color)!important;padding-bottom:calc(1rem + env(safe-area-inset-bottom,0px))!important;border-radius:0!important;width:100%!important;margin:0!important;padding-top:1rem!important;position:fixed!important;bottom:0!important;left:0!important;right:0!important;box-shadow:0 -4px 15px #0000004d!important}}