:root{--bg:#f2f3f0;--panel:#fff;--text:#18201d;--muted:#69716e;--line:#d6dcd8;--accent:#176e52;--soft:#e5f1eb;--danger:#a13f2c}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--text);font:13px system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select{font:inherit;color:inherit}header{height:58px;display:flex;align-items:center;gap:9px;max-width:1280px;margin:auto;padding:0 24px;border-bottom:1px solid var(--line)}header a{color:var(--accent)}header span{color:#9ca39f}main{max-width:1280px;margin:auto;padding:32px 24px 64px}.title h1{font-size:30px;letter-spacing:-.8px;margin:0}.title p{color:var(--muted);margin:7px 0 24px}.drop{height:210px;border:2px dashed #aeb8b2;border-radius:12px;background:rgba(255,255,255,.55);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer}.drop:hover,.drop:focus-visible,.drop.drag{outline:none;border-color:var(--accent);background:#edf6f1}.drop svg{width:31px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.drop strong{font-size:17px}.drop span{color:var(--accent);font-size:12px}.drop small{color:var(--muted);font-size:10px;margin-top:5px}.drop small.error{color:var(--danger)}.app{display:grid;grid-template-columns:330px minmax(0,1fr);gap:18px;margin-top:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px}.controls{padding:18px;align-self:start}.control-head,.result-head{display:flex;align-items:center;justify-content:space-between}.controls h2,.result h2{font-size:16px;margin:0}.control-head button,.result-head button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:7px 9px;font-size:10px;font-weight:700;cursor:pointer}.control-head button{border:0;color:var(--accent);padding:4px}details{border-top:1px solid var(--line);margin-top:16px;padding-top:13px}summary{cursor:pointer;font-weight:800;font-size:11px;text-transform:uppercase;letter-spacing:.5px;user-select:none}.fields{display:grid;gap:10px;margin-top:12px}.fields>label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px}.fields label>span{display:flex;align-items:center;gap:6px}.fields input[type=range]{width:104px;accent-color:var(--accent)}.fields output{width:40px;text-align:right;color:var(--muted);font-size:9px}.fields select{max-width:165px;padding:5px;border:1px solid var(--line);border-radius:5px;background:#fff}.fields input[type=number]{width:68px;padding:5px;border:1px solid var(--line);border-radius:5px;text-align:right}.fields input[type=color]{width:42px;height:25px;padding:2px;border:1px solid var(--line);border-radius:5px;background:#fff}.check input{accent-color:var(--accent)}.fields>small{color:var(--muted);font-size:9px;line-height:1.4}.source{margin-top:18px;padding:10px;background:#f3f4f1;border-radius:7px}.source strong,.source small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source strong{font-size:10px}.source small{font-size:9px;color:var(--muted);margin-top:3px}.reset{margin-top:10px;width:100%;border:1px solid var(--line);border-radius:6px;background:#fff;padding:7px;font-size:10px;cursor:pointer}.result{overflow:hidden;align-self:start}.result-head{padding:16px 18px;border-bottom:1px solid var(--line)}.result-head p{font-size:10px;color:var(--muted);margin:4px 0 0}.result-head p.error{color:var(--danger)}.result-head>div:last-child{display:flex;gap:6px}.result-head button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.result-head button:disabled{opacity:.4;cursor:not-allowed}.compare{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}figure{margin:0;background:#fff}figcaption{padding:8px 12px;font-size:9px;font-weight:800;text-transform:uppercase}.checker{height:min(64vh,640px);display:grid;place-items:center;overflow:auto;background-color:#eef0ed;background-image:linear-gradient(45deg,#dce0dc 25%,transparent 25%),linear-gradient(-45deg,#dce0dc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#dce0dc 75%),linear-gradient(-45deg,transparent 75%,#dce0dc 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}.checker img{display:block;max-width:100%;max-height:100%;object-fit:contain}.stats{padding:12px 18px;min-height:40px;color:var(--muted);font-size:10px;display:flex;gap:18px;flex-wrap:wrap}.stats strong{color:var(--text)}@media(max-width:900px){.app{grid-template-columns:1fr}.controls{position:static}.fields{grid-template-columns:1fr 1fr;column-gap:24px}.checker{height:45vh}}@media(max-width:600px){main{padding:24px 13px 50px}.title h1{font-size:26px}.drop{text-align:center;padding:14px}.app{gap:12px}.fields{grid-template-columns:1fr}.compare{grid-template-columns:1fr}.checker{height:38vh}.result-head{align-items:flex-start;gap:10px}.result-head>div:last-child{flex-direction:column}.controls{padding:15px}}