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u-spin{to{transform:rotate(360deg)}}.u-progress{border-radius:var(--r-full);background:var(--surface-3);width:100%;height:8px;overflow:hidden}.u-progress-bar{border-radius:var(--r-full);background:var(--primary);height:100%;transition:width .3s}.u-shell{background:var(--bg);flex-direction:column;min-height:100%;display:flex}.u-header{z-index:20;background:var(--surface);align-items:center;gap:24px;height:64px;padding:0 28px;display:flex;position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.u-header{background:color-mix(in srgb, var(--surface) 86%, transparent)}}.u-header{-webkit-backdrop-filter:saturate(140%)blur(12px);backdrop-filter:saturate(140%)blur(12px);border-bottom:1px solid var(--border)}.u-logo{letter-spacing:-.02em;color:var(--ink);align-items:center;gap:10px;font-size:20px;font-weight:900;display:inline-flex}.u-logo-mark{background:var(--primary);width:30px;height:30px;color:var(--primary-fg);box-shadow:var(--sh-sm);border-radius:9px;justify-content:center;align-items:center;font-size:17px;font-weight:900;display:flex}.u-logo-dot{color:var(--primary)}.u-nav{align-items:center;gap:4px;display:flex}.u-navlink{border-radius:var(--r-sm);color:var(--muted);padding:8px 13px;font-size:14.5px;font-weight:500;transition:all .15s}.u-navlink:hover{color:var(--ink);background:var(--surface-2)}.u-navlink.active{color:var(--primary);background:var(--primary-softer)}.u-crumbs{color:var(--subtle);align-items:center;gap:7px;font-size:13.5px;display:flex}.u-crumbs a:hover{color:var(--ink)}.u-crumbs .u-ico{opacity:.6;width:16px;height:16px}.u-toolhero{justify-content:space-between;align-items:flex-start;gap:32px;display:flex}.u-toolhero h1{letter-spacing:-.025em;font-size:38px;font-weight:900;line-height:1.05}.u-tooldesc{color:var(--muted);max-width:560px;margin-top:12px;font-size:16.5px;line-height:1.55}.u-toolicon{border-radius:var(--r-lg);background:var(--primary-soft);width:60px;height:60px;color:var(--primary);flex:none;justify-content:center;align-items:center;display:flex}.u-toolicon .u-ico{width:32px;height:32px}.u-section-title{letter-spacing:-.015em;margin-bottom:4px;font-size:22px;font-weight:700}.u-faq{border-top:1px solid var(--border)}.u-faq:last-of-type{border-bottom:1px solid var(--border)}.u-faq-q{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:18px 0;font-size:16px;font-weight:500;list-style:none;display:flex}.u-faq-q::-webkit-details-marker{display:none}.u-faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--r-xs)}.u-faq-chev{transition:transform .16s}.u-faq[open]>.u-faq-q .u-faq-chev{transform:rotate(180deg)}.u-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:auto;padding:36px clamp(14px,4vw,28px)}.u-toolcard{border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);align-items:center;gap:13px;padding:14px;transition:all .15s;display:flex}.u-toolcard:hover{border-color:var(--primary);box-shadow:var(--sh-md);transform:translateY(-1px)}.u-toolcard-ico{border-radius:var(--r-sm);flex:none;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.u-toolcard-ico .u-ico{width:21px;height:21px}.tint-dev{color:#2563eb;background:#e5edfe}.tint-text{color:#7c3aed;background:#ede9fe}.tint-image{color:#db2777;background:#fce7f3}.tint-pdf{color:#dc2626;background:#fee4e2}.tint-calc{color:#059669;background:#d1fae5}.tint-convert{color:#b45309;background:#fef3c7}.dark .tint-dev{color:#7da7fb;background:#162a4d}.dark .tint-text{color:#b794f6;background:#2a1f4d}.dark .tint-image{color:#f471b5;background:#3d1830}.dark .tint-pdf{color:#f87171;background:#3d1a18}.dark .tint-calc{color:#34d399;background:#0c3326}.dark .tint-convert{color:#fbbf24;background:#3a2d0e}.u-mobile-nav-toggle{display:none}@keyframes u-fade-in{0%{opacity:0}to{opacity:1}}.u-pdf-tool{grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);align-items:start;gap:28px;display:grid}.u-pdf-tool-preview{min-width:0}.u-pdf-tool-controls{flex-direction:column;gap:14px;display:flex;position:sticky;top:16px}@media (max-width:960px){.u-pdf-tool{grid-template-columns:1fr;gap:20px}.u-pdf-tool-controls{order:-1;position:static}}.u-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.u-skeleton{background:linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 50%, var(--surface-2) 100%);border-radius:var(--r-md);border:1px solid var(--border);background-size:200% 100%;animation:1.4s ease-in-out infinite u-skeleton-shimmer}@keyframes u-skeleton-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.u-prose{color:var(--ink);font-size:16.5px;line-height:1.7}.u-prose>*+*{margin-top:1em}.u-prose h2{letter-spacing:-.01em;color:var(--ink);margin-top:2em;margin-bottom:.5em;font-size:26px;font-weight:600;line-height:1.25}.u-prose h3{color:var(--ink);margin-top:1.6em;margin-bottom:.4em;font-size:20px;font-weight:600;line-height:1.3}.u-prose h4{color:var(--ink);margin-top:1.4em;margin-bottom:.3em;font-size:17px;font-weight:600}.u-prose p{color:var(--ink)}.u-prose a{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.u-prose a:hover{text-decoration-thickness:2px}.u-prose strong{color:var(--ink);font-weight:600}.u-prose ul,.u-prose ol{flex-direction:column;gap:.4em;padding-left:1.4em;display:flex}.u-prose ul{list-style:outside}.u-prose ol{list-style:decimal}.u-prose li::marker{color:var(--subtle)}.u-prose code{background:var(--surface-2);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.92em}.u-prose pre{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;font-size:13.5px;line-height:1.55;overflow-x:auto}.u-prose pre code{font-size:inherit;background:0 0;border:none;padding:0}.u-prose blockquote{border-left:3px solid var(--accent);color:var(--subtle);padding:4px 16px;font-style:italic}.u-prose hr{border:none;border-top:1px solid var(--border);margin:2em 0}.u-prose table{border-collapse:collapse;width:100%;font-size:14.5px}.u-prose table th,.u-prose table td{text-align:left;border-bottom:1px solid var(--border);padding:9px 12px}.u-prose table th{background:var(--surface-2);color:var(--ink);font-weight:600}.u-prose img{border-radius:8px;max-width:100%;height:auto}@media (max-width:900px){.u-header{gap:12px;padding:0 18px}.u-nav,.u-header-spacer{display:none}.u-mobile-nav-toggle{display:inline-flex}.u-toolhero{flex-direction:column;gap:16px}.u-toolhero h1{font-size:30px}.u-tooldesc{font-size:15px}.u-input,.u-textarea,.u-select select,input,textarea,select{font-size:16px}}@media (max-width:600px){.u-prose{font-size:15.5px}.u-prose h2{font-size:22px}.u-prose h3{font-size:18px}.u-header{height:58px;padding:0 14px}.u-toolicon{width:44px;height:44px}.u-toolicon .u-ico{width:24px;height:24px}.u-toolhero h1{font-size:26px}.u-section-title{font-size:19px}.u-footer{padding:28px 16px}.u-tab{padding:7px 11px;font-size:13px}.u-btn{height:38px;padding:0 13px;font-size:14px}.u-btn-sm{height:30px;padding:0 10px;font-size:12.5px}}@media (max-width:420px){.u-header{gap:8px;padding:0 12px}.u-toolhero h1{font-size:23px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}