:root{--bg: #0d1117;--panel: #161b22;--btn-hover: #161b22;--border: #30363d;--text: #c9d1d9;--green: #238636;--green-hover: #2ea043;--blue: #58a6ff;--mono: "Menlo", "Consolas", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,sans-serif;height:100vh;overflow:hidden}.app{display:flex;flex-direction:column;height:100%;padding:1rem;gap:1rem}.top input{width:100%;background:var(--panel);border:1px solid var(--border);color:#fff;padding:1rem;font-family:var(--mono);font-size:1rem;border-radius:6px;outline:none}.top input:focus{border-color:var(--blue)}.action{display:flex;justify-content:flex-end}button{background:var(--green);color:#fff;border:1px solid rgba(255,255,255,.1);padding:.5rem 1.5rem;border-radius:6px;cursor:pointer;font-weight:700;font-size:.9rem}button:hover{background:var(--green-hover)}.main-area{display:grid;grid-template-columns:1fr 1fr;gap:1rem;flex:1;min-height:0}.panel{position:relative;display:flex;flex-direction:column;gap:.5rem;height:100%;min-height:0}.label{font-size:.8rem;color:#8b949e;font-weight:600;text-transform:uppercase;line-height:1}.input-header{display:flex;align-items:center;gap:1rem;height:1.5rem}.data-source{display:flex;align-items:center;gap:.5rem}.data-source>label{font-size:.8rem;color:#8b949e;font-weight:600;text-transform:uppercase;line-height:1}.data-source>select{outline:none;background-color:transparent;color:#8b949e;border:none;font-size:.8rem;line-height:1}.data-source>select:focus{outline:none;border:none;box-shadow:none}.data-source>button{background:var(--bg);color:#5b6978;border:1px solid rgba(255,255,255,.1);padding:.25rem .75rem;border-radius:6px;cursor:pointer;font-weight:600;font-size:.8rem;transition:all .25s ease-in-out;opacity:0;pointer-events:none}.data-source>button{opacity:1;pointer-events:auto}.data-source>button:hover{background:#1f242b}.data-source>button:nth-of-type(1){right:8.5rem}.data-source>button:nth-of-type(2){right:1.5rem}.input-header>button{position:absolute;top:2.5rem;display:flex;justify-content:space-between;background:var(--bg);color:#5b6978;border:1px solid rgba(255,255,255,.1);padding:.25rem .75rem;border-radius:6px;cursor:pointer;font-weight:600;font-size:.8rem;transition:all .25s ease-in-out;opacity:0;pointer-events:none}.panel:hover .input-header>button{opacity:1;pointer-events:auto}.input-header>button:hover{background:#1f242b}.input-header>button:nth-of-type(1){right:7.75rem}.input-header>button:nth-of-type(2){right:1.5rem}.output-header{display:flex;align-items:center;height:1.5rem}.output-header>button{position:absolute;top:2.5rem;display:flex;justify-content:space-between;background:var(--bg);color:#5b6978;border:1px solid rgba(255,255,255,.1);padding:.25rem .75rem;border-radius:6px;cursor:pointer;font-weight:600;font-size:.8rem;transition:all .25s ease-in-out;opacity:0;pointer-events:none}.panel:hover .output-header>button{opacity:1;pointer-events:auto}.output-header>button:hover{background:#1f242b}.output-header>button:nth-of-type(1){right:8.5rem}.output-header>button:nth-of-type(2){right:1.5rem}textarea,pre{flex:1;background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:1rem;font-family:var(--mono);font-size:.9rem;color:var(--text);resize:none;overflow:auto;min-height:0}textarea:focus{outline:1px solid var(--blue)}footer{display:flex;justify-content:space-between}footer>.footer-left>small>a{text-decoration:none;font-size:.8rem;color:#8b949e}footer>.footer-right>button{background:var(--bg);color:#5b6978;border:1px solid rgba(255,255,255,.1);padding:.25rem .75rem;border-radius:6px;cursor:pointer;font-weight:600;font-size:.8rem;transition:all .25s ease-in-out;opacity:0;pointer-events:none}footer>.footer-right>button{opacity:1;pointer-events:auto}footer>.footer-right>button:hover{background:#1f242b}.error{border-color:#f85149!important;color:#f85149}.toast{position:fixed;bottom:4.5rem;right:2rem;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.75rem 1rem;display:flex;align-items:center;gap:.5rem;transform:translate(100%);opacity:0;transition:transform .3s ease-in-out,opacity .3s ease-in-out;z-index:1000;font-size:.9rem}.toast.show{transform:translate(0);opacity:1}.toast.hide{transform:translate(100%);opacity:0}.toast button{background:none;border:none;color:var(--text);font-size:1.2rem;cursor:pointer;padding:0;margin:0;width:1.2rem;height:1.2rem;display:flex;align-items:center;justify-content:center}.toast button:hover{color:#f85149}textarea::-webkit-scrollbar,pre::-webkit-scrollbar{width:10px;height:10px}textarea::-webkit-scrollbar-track,pre::-webkit-scrollbar-track{background:var(--bg);border-radius:6px}textarea::-webkit-scrollbar-thumb,pre::-webkit-scrollbar-thumb{background:#30363d;border-radius:6px;border:2px solid var(--bg)}textarea::-webkit-scrollbar-thumb:hover,pre::-webkit-scrollbar-thumb:hover{background:#484f58}textarea,pre{scrollbar-width:thin;scrollbar-color:#30363d var(--bg)}