:root{--bg-gradient: linear-gradient(180deg, #eef2f9 0%, #e4ebf7 45%, #eef2f9 100%);--surface: #f3f5fa;--glass-bg: rgba(255, 255, 255, .42);--glass-bg-strong: rgba(255, 255, 255, .62);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: 0 8px 32px rgba(15, 23, 42, .1), 0 1px 2px rgba(15, 23, 42, .04), inset 0 1px 0 rgba(255, 255, 255, .7), inset 0 0 0 1px rgba(255, 255, 255, .25);--glass-blur: blur(28px) saturate(190%);--header-bg: rgba(255, 255, 255, .38);--text: #0f172a;--text-muted: #5b6472;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: rgba(37, 99, 235, .14);--border: rgba(15, 23, 42, .1);--error: #dc2626;--ok: #16a34a;--radius: 18px;--radius-sm: 12px;--blob-1: #a5c4ff;--blob-2: #ffc7e8;--blob-3: #b8f5d0;color-scheme:light}:root[data-theme=dark]{--bg-gradient: linear-gradient(180deg, #0b1120 0%, #101a30 45%, #0b1120 100%);--surface: #0b1120;--glass-bg: rgba(30, 41, 59, .42);--glass-bg-strong: rgba(30, 41, 59, .62);--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(255, 255, 255, .07), inset 0 0 0 1px rgba(255, 255, 255, .04);--glass-blur: blur(28px) saturate(190%);--header-bg: rgba(11, 17, 32, .45);--text: #e8ecf3;--text-muted: #9aa4b6;--accent: #60a5fa;--accent-hover: #93c5fd;--accent-soft: rgba(96, 165, 250, .18);--border: rgba(255, 255, 255, .1);--error: #f87171;--ok: #4ade80;--blob-1: #2b3d78;--blob-2: #5b2b57;--blob-3: #1c4f3f;color-scheme:dark}*{box-sizing:border-box}html{background:var(--surface)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,system-ui,Roboto,sans-serif;color:var(--text);background:var(--bg-gradient);background-attachment:fixed;line-height:1.55;transition:background-color .2s ease,color .2s ease;position:relative;min-height:100vh}body:before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(circle at 12% 8%,var(--blob-1) 0%,transparent 38%),radial-gradient(circle at 88% 15%,var(--blob-2) 0%,transparent 40%),radial-gradient(circle at 25% 92%,var(--blob-3) 0%,transparent 42%),radial-gradient(circle at 80% 85%,var(--blob-1) 0%,transparent 35%);opacity:.55;filter:var(--glass-blur);transition:opacity .2s ease}.site{position:relative;z-index:1}a{color:var(--accent)}.site{display:flex;flex-direction:column;min-height:100vh}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1.5rem;background:var(--header-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);flex-wrap:wrap}.brand{color:var(--text);font-weight:700;text-decoration:none;font-size:1.05rem;letter-spacing:-.01em}.site-header-controls{display:flex;align-items:center;gap:.6rem}.site-search input{padding:.5rem .9rem;border-radius:999px;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text);width:min(260px,50vw);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.site-search input::placeholder{color:var(--text-muted)}.site-search input:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:999px;border:1px solid var(--glass-border);background:var(--glass-bg);cursor:pointer;font-size:1.05rem;line-height:1;transition:transform .15s ease,background-color .15s ease}.theme-toggle:hover{background:var(--glass-bg-strong);transform:translateY(-1px)}.theme-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.site-main{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:1.75rem 1.25rem 3.5rem}.site-footer{padding:1.75rem 1.25rem;background:var(--header-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-top:1px solid var(--glass-border);color:var(--text-muted);text-align:center;font-size:.85rem}.site-footer nav{display:flex;gap:1.25rem;justify-content:center;margin-top:.6rem;flex-wrap:wrap}.site-footer a{color:var(--text-muted);text-decoration:none}.site-footer a:hover{color:var(--accent)}.back-link{display:inline-flex;align-items:center;gap:.3rem;font-size:.85rem;font-weight:600;text-decoration:none;color:var(--text);margin-bottom:.75rem}.back-link:hover{color:var(--accent)}.breadcrumbs{font-size:.82rem;color:var(--text-muted);margin-bottom:1.25rem}.breadcrumbs a{text-decoration:none}.hero{padding:.5rem 0 1.75rem}.hero h1{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.02em;margin:0 0 .4rem}.hero-summary{max-width:62ch;color:var(--text-muted, currentColor);opacity:.85;font-size:.98rem;line-height:1.55;margin:0}h1{letter-spacing:-.01em}.glass{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:var(--glass-shadow)}.categories-grid{column-width:250px;column-gap:1.1rem}.category-card{break-inside:avoid;margin-bottom:1.1rem}.category-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:var(--glass-shadow);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease}.category-header{margin:0;padding:.75rem 1.1rem;font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:transparent;color:var(--text);cursor:pointer;list-style:none;display:flex;align-items:center;gap:.45rem;user-select:none;border-bottom:1px solid transparent}.category-card[open]>.category-header{border-bottom-color:var(--glass-border)}.category-header::-webkit-details-marker{display:none}.category-header:before{content:"▸";display:inline-block;color:var(--accent);transition:transform .15s ease;font-size:.75em}.category-card[open]>.category-header:before{transform:rotate(90deg)}.category-header:hover{background:var(--accent-soft)}.category-count{color:var(--text-muted);font-weight:400;text-transform:none;letter-spacing:normal}.tool-row-list{list-style:none;padding:.3rem 1.1rem;margin:0;display:flex;flex-direction:column;max-height:19.25rem;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--glass-border) transparent}.tool-row-list::-webkit-scrollbar{width:5px}.tool-row-list::-webkit-scrollbar-track{background:transparent}.tool-row-list::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:999px}.tool-row-list::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.tool-row-list li+li{border-top:1px solid var(--glass-border)}.tool-row-list li{padding:.4rem .1rem}.tool-row-list a{display:block;text-decoration:none;font-size:.92rem;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-row-list a:hover{color:var(--accent)}.tool-row-desc{display:block;font-size:.76rem;color:var(--text-muted);margin-top:.1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.category-view-all{display:block;padding:.6rem 1.1rem;font-size:.8rem;font-weight:500;text-decoration:none;border-top:1px solid var(--glass-border);color:var(--accent)}.category-view-all:hover{background:var(--accent-soft)}.tool-list{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}.tool-list li{display:flex;flex-direction:column;gap:.2rem;padding:.9rem 1.1rem;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-sm);box-shadow:var(--glass-shadow);transition:transform .15s ease,box-shadow .15s ease}.tool-list li:hover{transform:translateY(-1px)}.tool-list li a{font-weight:600;text-decoration:none}.tool-list li span{color:var(--text-muted);font-size:.88rem}.tool-summary{color:var(--text-muted)}.tool-container{margin:1.4rem 0}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}@media (max-width: 640px){.tool-grid{grid-template-columns:1fr}}.tool-panel{display:flex;flex-direction:column;gap:.55rem;padding:1.1rem;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:var(--glass-shadow)}.tool-panel-single{max-width:640px}.tool-label{font-weight:600;font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}.tool-textarea{width:100%;min-height:220px;padding:.85rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;resize:vertical;background:#ffffff80;color:var(--text);transition:border-color .15s ease,box-shadow .15s ease}:root[data-theme=dark] .tool-textarea{background:#0f172a73}.tool-textarea:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.tool-number{padding:.45rem .65rem;border:1px solid var(--border);border-radius:var(--radius-sm);width:6rem;background:#ffffff80;color:var(--text)}:root[data-theme=dark] .tool-number{background:#0f172a73}.tool-actions{display:flex;gap:.55rem;flex-wrap:wrap}.tool-actions-inline{align-items:center}.btn{padding:.55rem 1.1rem;border-radius:999px;border:1px solid transparent;cursor:pointer;font-size:.88rem;font-weight:600;transition:transform .12s ease,background-color .15s ease,box-shadow .15s ease}.btn:active{transform:scale(.97)}.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px var(--accent-soft)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--glass-bg-strong);border-color:var(--glass-border);color:var(--text);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.btn-secondary:hover{background:var(--accent-soft)}.tool-error{color:var(--error);min-height:1.2em;font-size:.88rem}.tool-result{font-weight:600;min-height:1.5em}.tool-result-ok{color:var(--ok)}.tool-result-error{color:var(--error)}.tool-table{border-collapse:collapse;width:100%;font-size:.88rem}.tool-table th,.tool-table td{border:1px solid var(--border);padding:.4rem .6rem;text-align:left;white-space:nowrap}.tool-table th{font-weight:600;background:#ffffff59}:root[data-theme=dark] .tool-table th{background:#ffffff0f}.json-tree-wrapper{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.85rem;min-height:220px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;background:#ffffff80}:root[data-theme=dark] .json-tree-wrapper{background:#0f172a73}.json-tree{list-style:none;padding-left:1.25rem;margin:.25rem 0}.json-key{color:#0369a1}:root[data-theme=dark] .json-key{color:#38bdf8}.json-string{color:#15803d}:root[data-theme=dark] .json-string{color:#4ade80}.json-number{color:#b45309}:root[data-theme=dark] .json-number{color:#fbbf24}.json-boolean,.json-null{color:#7c3aed}:root[data-theme=dark] .json-boolean,:root[data-theme=dark] .json-null{color:#c4b5fd}.tool-info{margin-top:2.25rem}.example pre{background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);color:var(--text);padding:.85rem;border:1px solid var(--glass-border);border-radius:var(--radius-sm);overflow-x:auto;font-size:.85rem}.privacy-note{font-size:.85rem;color:var(--text-muted)}.related-tools ul{display:flex;gap:.6rem;flex-wrap:wrap;list-style:none;padding:0}.related-tools a{display:inline-block;padding:.4rem .9rem;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:999px;text-decoration:none;font-size:.85rem;transition:background-color .15s ease,transform .15s ease}.related-tools a:hover{background:var(--accent-soft);transform:translateY(-1px)}.ad-slot{display:none}.not-found{padding:2rem 0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem;margin:0}.stat{padding:.75rem .9rem;background:var(--glass-bg-strong);border:1px solid var(--glass-border);border-radius:var(--radius-sm)}.stat dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);margin:0 0 .2rem}.stat dd{font-size:1.3rem;font-weight:700;margin:0}.case-buttons{margin-top:1rem}.btn-active{background:var(--accent);color:#fff}.tool-single-line{min-height:auto;height:auto;resize:none}.cron-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.75rem;margin-bottom:1rem}.diff-output{margin-top:1rem;border:1px solid var(--glass-border);border-radius:var(--radius-sm);overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.diff-line{padding:.15rem .75rem;white-space:pre-wrap;word-break:break-word}.diff-equal{color:var(--text-muted)}.diff-add{background:#4ade802e;color:var(--ok)}.diff-remove{background:#f871712e;color:var(--error)}.regex-input-row{display:flex;align-items:center;gap:.4rem;margin-bottom:.75rem}.regex-slash{font-weight:700;color:var(--text-muted)}.regex-flags{max-width:6rem;flex:none}.regex-matches{font-size:.88rem}.regex-matches ol{padding-left:1.25rem;margin:.5rem 0 0}.regex-matches code{background:var(--glass-bg-strong);padding:.1rem .35rem;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.tool-file-input{padding:.55rem;border:1px dashed var(--glass-border);border-radius:var(--radius-sm);background:var(--glass-bg-strong);color:var(--text);margin-bottom:.75rem}.image-controls{margin-bottom:.75rem}.image-controls input[type=range]{width:100%}.image-preview{margin-top:1rem;display:flex;flex-direction:column;align-items:flex-start;gap:.5rem}.image-preview-img{max-width:100%;max-height:320px;border-radius:var(--radius-sm);border:1px solid var(--glass-border)}.favicon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.85rem;margin-top:.75rem}.favicon-item{display:flex;flex-direction:column;align-items:center;gap:.4rem;padding:.85rem;background:var(--glass-bg-strong);border:1px solid var(--glass-border);border-radius:var(--radius-sm);text-align:center}.favicon-item img{border-radius:4px;background:repeating-conic-gradient(#8883 0% 25%,transparent 0% 50%) 50% / 12px 12px}.crop-stage{position:relative;display:inline-block;max-width:100%;margin:.5rem 0;touch-action:none}.crop-stage[hidden]{display:none}.crop-image{display:block;max-width:100%;max-height:480px;border-radius:var(--radius-sm);border:1px solid var(--glass-border);cursor:crosshair;user-select:none}.crop-selection{position:absolute;border:2px dashed var(--accent);background:var(--accent-soft);pointer-events:none}.qr-preview{margin-top:1rem;display:flex;flex-direction:column;align-items:flex-start;gap:.75rem}.qr-canvas{max-width:100%;height:auto;border-radius:var(--radius-sm);border:1px solid var(--glass-border);background:#fff;padding:.75rem}