@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--bg:#09090b;--bg-elev:#131316;--bg-elev-2:#1c1c22;--bg-elev-3:#26262e;--border:#23232b;--border-hover:#33333e;--text:#ededf0;--text-dim:#8e8ea0;--text-muted:#5c5c6e;--accent:#3b82f6;--accent-hover:#2563eb;--accent-soft:#3b82f614;--accent-glow:#3b82f626;--accent-2:#22c55e;--danger:#ef4444;--warning:#eab308;--radius:12px;--radius-sm:8px;--radius-lg:16px;--radius-xl:20px;--shadow:0 8px 32px #00000073;--shadow-sm:0 2px 12px #0000004d;--shadow-glow:0 0 24px var(--accent-glow);--font:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--ease:cubic-bezier(.4, 0, .2, 1);--duration:.2s;--header-bg:#09090bcc;--dropdown-bg:#0d0d10f7;--dropdown-shadow:0 24px 48px #00000080;--link-hover:#60a5fa;--checker-a:#1a1a1a;--checker-b:#222;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=light]{--bg:#fff;--bg-elev:#f8f9fb;--bg-elev-2:#f0f1f4;--bg-elev-3:#e4e6eb;--border:#dfe2e8;--border-hover:#c6cbd4;--text:#0f172a;--text-dim:#475569;--text-muted:#94a3b8;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-soft:#2563eb0f;--accent-glow:#2563eb1a;--accent-2:#16a34a;--danger:#dc2626;--warning:#ca8a04;--shadow:0 8px 32px #00000014;--shadow-sm:0 2px 12px #0000000d;--shadow-glow:0 0 24px #2563eb14;--header-bg:#ffffffd9;--dropdown-bg:#fffffff7;--dropdown-shadow:0 24px 48px #0000001a;--link-hover:#1d4ed8;--checker-a:#e0e0e0;--checker-b:#fff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}::selection{color:#fff;background:#3b82f64d}[data-theme=light] ::selection{color:#0f172a;background:#2563eb33}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}html,body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-size:15px;line-height:1.6}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}a{color:var(--accent);transition:color var(--duration) var(--ease);text-decoration:none}a:hover{color:var(--link-hover)}h1,h2,h3,h4{letter-spacing:-.02em;margin:0 0 .5em;font-weight:700;line-height:1.25}p{color:var(--text-dim);margin:0 0 1em}code,pre{font-family:var(--font-mono)}code{background:var(--bg-elev-2);border-radius:5px;padding:.15em .4em;font-size:.88em}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.site-header{z-index:100;background:var(--header-bg);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);position:sticky;top:0}.site-header__inner{align-items:center;gap:1rem;max-width:1280px;height:60px;margin:0 auto;padding:0 1.5rem;display:flex}.site-brand{color:var(--text);white-space:nowrap;letter-spacing:-.01em;align-items:center;gap:.6rem;font-size:1.05rem;font-weight:700;text-decoration:none;display:flex}.site-brand:hover{color:var(--text);text-decoration:none}.site-brand__icon{background:var(--accent-soft);border:1px solid #3b82f626;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:1rem;display:flex}.site-header__spacer{flex:1}.site-header__right{align-items:center;gap:.5rem;display:flex}.site-breadcrumb{color:var(--text-muted);align-items:center;gap:.35rem;font-size:.85rem;display:flex}.site-breadcrumb__sep{color:var(--text-muted)}.site-breadcrumb__current{color:var(--text-dim);font-weight:500}.nav-toggle{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-dim);cursor:pointer;transition:all var(--duration) var(--ease);align-items:center;gap:.4rem;padding:.4rem .75rem;font-family:inherit;font-size:.85rem;font-weight:500;display:inline-flex}.nav-toggle:hover{border-color:var(--border-hover);color:var(--text);background:var(--bg-elev-2)}.nav-toggle.is-active{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.nav-toggle__icon{justify-content:center;align-items:center;width:16px;height:16px;display:flex}.nav-toggle__icon svg{width:16px;height:16px}.site-header__link{border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-muted);transition:all var(--duration) var(--ease);justify-content:center;align-items:center;display:inline-flex}.site-header__link:hover{color:var(--text);background:var(--bg-elev)}.site-header__link svg{width:18px;height:18px}.nav-dropdown{background:var(--dropdown-bg);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);box-shadow:var(--dropdown-shadow);opacity:0;pointer-events:none;transition:opacity .25s var(--ease), transform .25s var(--ease);max-height:calc(100vh - 60px);position:absolute;top:100%;left:0;right:0;overflow-y:auto;transform:translateY(-8px)}.nav-dropdown.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}.nav-dropdown__inner{grid-template-columns:repeat(4,1fr);gap:2rem;max-width:1280px;margin:0 auto;padding:1.5rem;display:grid}@media (width<=900px){.nav-dropdown__inner{grid-template-columns:repeat(2,1fr)}}@media (width<=500px){.nav-dropdown__inner{grid-template-columns:1fr}}.nav-category__title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);border-bottom:1px solid var(--border);align-items:center;gap:.4rem;margin-bottom:.75rem;padding-bottom:.5rem;font-size:.72rem;font-weight:700;display:flex}.nav-category__title-icon{font-size:.85rem}.nav-tool-link{border-radius:var(--radius-sm);color:var(--text-dim);transition:all .15s var(--ease);align-items:center;gap:.5rem;margin:0 -.5rem;padding:.4rem .5rem;font-size:.85rem;text-decoration:none;display:flex}.nav-tool-link:hover{color:var(--text);background:var(--bg-elev-2);text-decoration:none}.nav-tool-link.is-active{color:var(--accent);background:var(--accent-soft)}.nav-tool-link__icon{text-align:center;flex-shrink:0;width:20px;font-size:.95rem}.nav-backdrop{z-index:99;opacity:0;pointer-events:none;transition:opacity .25s var(--ease);background:#0006;position:fixed;inset:0}.nav-backdrop.is-visible{opacity:1;pointer-events:auto}.site-nav,.site-nav__link{display:none}.site-main{max-width:1280px;margin:0 auto;padding:2rem 1.5rem 4rem}.page-header{margin-bottom:1.75rem}.page-header h1{letter-spacing:-.02em;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;display:flex}.page-header p{max-width:70ch;margin-top:.4rem;font-size:.92rem}.hero{text-align:center;max-width:640px;margin:0 auto;padding:3rem 1rem 2.5rem}.hero__icon{background:var(--accent-soft);border:1px solid #3b82f61f;border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:1.25rem;font-size:1.8rem;display:inline-flex}.hero h1{letter-spacing:-.04em;background:linear-gradient(135deg, var(--text) 0%, var(--text-dim) 80%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.6rem;font-size:2.5rem;font-weight:800;line-height:1.15}.hero p{color:var(--text-dim);max-width:50ch;margin:0 auto 1.5rem;font-size:1.05rem;line-height:1.65}.hero__meta{color:var(--text-muted);justify-content:center;align-items:center;gap:1.5rem;font-size:.82rem;display:flex}.hero__meta span{align-items:center;gap:.35rem;display:flex}.hero__meta-dot{background:var(--text-muted);border-radius:50%;width:3px;height:3px}.search-wrap{max-width:420px;margin:0 auto 2rem;position:relative}.search-wrap svg{width:14px;height:14px;color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:.85rem;transform:translateY(-50%)}.search-input{background:var(--bg-elev);border:1px solid var(--border);width:100%;color:var(--text);transition:all var(--duration) var(--ease);border-radius:999px;padding:.65rem 1rem .65rem 2.5rem;font-family:inherit;font-size:.9rem}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.search-input::placeholder{color:var(--text-muted)}.category-section{margin-bottom:2.5rem}.category-section:last-child{margin-bottom:0}.category-header{border-bottom:1px solid var(--border);align-items:center;gap:.5rem;margin-bottom:1rem;padding-bottom:.75rem;display:flex}.category-header__icon{font-size:1.1rem}.category-header h2{text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin:0;font-size:.82rem;font-weight:700}.category-header__count{color:var(--text-muted);margin-left:auto;font-size:.72rem}.card-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.75rem;display:grid}.tool-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);transition:all var(--duration) var(--ease);flex-direction:column;padding:1.25rem;display:flex;position:relative;overflow:hidden}.tool-card:before{content:"";background:linear-gradient(135deg, var(--accent-soft) 0%, transparent 50%);opacity:0;transition:opacity .3s var(--ease);pointer-events:none;position:absolute;inset:0}.tool-card:hover{box-shadow:var(--shadow-glow);border-color:#3b82f64d;text-decoration:none;transform:translateY(-2px)}.tool-card:hover:before{opacity:1}.tool-card__header{align-items:flex-start;gap:.75rem;margin-bottom:.5rem;display:flex}.tool-card__icon{background:var(--bg-elev-2);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.35rem;display:flex}.tool-card__title{color:var(--text);letter-spacing:-.01em;padding-top:.15rem;font-size:.95rem;font-weight:600;line-height:1.35}.tool-card__desc{color:var(--text-dim);flex:1;margin:0;font-size:.84rem;line-height:1.55}.tool-card__badge{color:var(--text-muted);background:var(--bg-elev-2);letter-spacing:.02em;border-radius:999px;margin-top:.75rem;padding:.2rem .6rem;font-size:.7rem;font-weight:600;display:inline-block}.layout-sidebar{grid-template-columns:320px 1fr;align-items:start;gap:1.5rem;display:grid}@media (width<=880px){.layout-sidebar{grid-template-columns:1fr}}.panel{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:1.15rem}.panel+.panel{margin-top:1rem}.panel h2,.panel h3{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.85rem;font-size:.78rem;font-weight:700}.field{margin-bottom:.9rem}.field:last-child{margin-bottom:0}.field label{color:var(--text-dim);margin-bottom:.3rem;font-size:.82rem;font-weight:500;display:block}.field-row{gap:.6rem;display:flex}.field-row .field{flex:1}input[type=text],input[type=number],input[type=search],select,textarea{background:var(--bg);width:100%;color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);padding:.5rem .65rem;font-family:inherit;font-size:.9rem}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}input[type=range]{width:100%;accent-color:var(--accent);height:4px}input[type=color]{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:0 0;width:2.4rem;height:1.8rem;padding:0}.checkbox-row{align-items:center;gap:.5rem;margin-bottom:.4rem;font-size:.88rem;display:flex}.checkbox-row input{accent-color:var(--accent)}.range-readout{color:var(--text-dim);justify-content:space-between;font-size:.78rem;display:flex}.btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elev-2);color:var(--text);cursor:pointer;width:100%;transition:all var(--duration) var(--ease);justify-content:center;align-items:center;gap:.4rem;padding:.55rem 1rem;font-family:inherit;font-size:.875rem;font-weight:600;display:inline-flex}.btn:hover{border-color:var(--border-hover);background:var(--bg-elev-3);text-decoration:none}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-row{gap:.5rem;display:flex}.btn-row .btn{flex:1;width:auto}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-danger{color:var(--danger)}.btn-danger:hover{border-color:var(--danger);background:#ef444414}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;color:var(--text-muted);cursor:pointer;transition:all var(--duration) var(--ease);padding:1.75rem 1rem;font-size:.88rem}.dropzone:hover{border-color:var(--border-hover);color:var(--text-dim)}.dropzone.is-dragover{border-color:var(--accent);color:var(--text);background:var(--accent-soft)}.dropzone input[type=file]{display:none}.file-chip-list{margin:.6rem 0 0;padding:0;font-size:.85rem;list-style:none}.file-chip-list li{border-bottom:1px solid var(--border);color:var(--text-dim);justify-content:space-between;gap:.5rem;padding:.3rem 0;display:flex}.file-chip-list li:last-child{border-bottom:none}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.85rem}th,td{border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;padding:.55rem .75rem}thead th{background:var(--bg-elev-2);color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.78rem;font-weight:600;position:sticky;top:0}tbody tr{transition:background .1s var(--ease)}tbody tr:hover{background:var(--bg-elev)}.alert{border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:.9rem;padding:.75rem 1rem;font-size:.87rem}.alert-info{color:#93c5fd;background:#3b82f60f;border-color:#3b82f640}.alert-success{color:#86efac;background:#22c55e0f;border-color:#22c55e40}.alert-warning{color:#fde047;background:#eab3080f;border-color:#eab30840}.alert-danger{color:#fca5a5;background:#ef44440f;border-color:#ef444440}[data-theme=light] .alert-info{color:#1e40af;background:#2563eb0d;border-color:#2563eb4d}[data-theme=light] .alert-success{color:#15803d;background:#16a34a0d;border-color:#16a34a4d}[data-theme=light] .alert-warning{color:#a16207;background:#ca8a040d;border-color:#ca8a044d}[data-theme=light] .alert-danger{color:#b91c1c;background:#dc26260d;border-color:#dc26264d}.plot-area{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);min-height:420px;padding:.75rem}.empty-state{color:var(--text-muted);text-align:center;padding:3rem 1rem;font-size:.9rem}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.badge{border:1px solid var(--border);color:var(--text-dim);border-radius:999px;padding:.1rem .55rem;font-size:.72rem;font-weight:600;display:inline-block}hr.sep{border:none;border-top:1px solid var(--border);margin:1rem 0}.image-compare{grid-template-columns:1fr 1fr;gap:1rem;display:grid}@media (width<=700px){.image-compare{grid-template-columns:1fr}}.image-compare figure{margin:0}.image-compare figcaption{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.4rem;font-size:.78rem;font-weight:600}.image-compare img,.image-compare canvas{border-radius:var(--radius-sm);border:1px solid var(--border);background:linear-gradient(45deg, var(--checker-a) 25%, transparent 25%) 0 0/16px 16px, linear-gradient(-45deg, var(--checker-a) 25%, transparent 25%) 0 0/16px 16px, linear-gradient(45deg, transparent 75%, var(--checker-a) 75%) 0 0/16px 16px, linear-gradient(-45deg, transparent 75%, var(--checker-a) 75%) 0 0/16px 16px, var(--checker-b);width:100%}.theme-toggle{border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-muted);cursor:pointer;transition:all var(--duration) var(--ease);background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-family:inherit;display:inline-flex}.theme-toggle:hover{color:var(--text);background:var(--bg-elev)}.theme-toggle svg{width:18px;height:18px}.theme-toggle__sun{display:block}.theme-toggle__moon,[data-theme=light] .theme-toggle__sun{display:none}[data-theme=light] .theme-toggle__moon{display:block}.site-footer{border-top:1px solid var(--border);color:var(--text-muted);text-align:center;padding:2rem 1.5rem 3rem;font-size:.82rem}.site-footer a{color:var(--text-dim)}.site-footer a:hover{color:var(--accent)}.sr-only{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}
