:root{--bg: #0f0f12;--surface: #18181c;--surface-hover: #222228;--border: #2a2a32;--text: #e4e4e7;--text-muted: #71717a;--accent: #22c55e;--accent-hover: #16a34a;--error: #ef4444;--radius: 8px;--font-sans: "Outfit", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.6}.hidden{display:none!important}.app{max-width:480px;margin:0 auto;padding:2rem 1.5rem;min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;margin-bottom:2rem}.header h1{margin:0;font-size:2rem;font-weight:700;letter-spacing:-.02em}.tagline{margin:.5rem 0 0;color:var(--text-muted);font-size:.95rem}.config{margin-bottom:2rem;padding:1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.config label{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:.5rem}.config-row{display:flex;gap:.5rem}.config-row input,.main{flex:1}.upload-card,.result-card,.error-card{padding:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1rem}.upload-card h2,.result-card h2,.error-card h2{margin:0 0 1rem;font-size:1.1rem;font-weight:600}.field{margin-bottom:1rem}.field label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:.35rem}input[type=text],input[type=file],select{width:100%;padding:.6rem .75rem;font-family:inherit;font-size:.95rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text)}input[type=file]{cursor:pointer}input:focus,select:focus{outline:none;border-color:var(--accent)}button{padding:.6rem 1.25rem;font-family:inherit;font-size:.95rem;font-weight:500;background:var(--accent);color:var(--bg);border:none;border-radius:var(--radius);cursor:pointer;transition:background .15s}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.6;cursor:not-wait}#submit-btn{width:100%;margin-top:.5rem;padding:.75rem}.share-row{display:flex;gap:.5rem;margin-bottom:.75rem}.share-row input{flex:1;font-family:var(--font-mono);font-size:.85rem}.hint{margin:0;font-size:.85rem;color:var(--text-muted)}.error-card{border-color:var(--error)}.error-card h2{color:var(--error)}#error-msg{margin:0;color:var(--text-muted)}.footer{margin-top:2rem;text-align:center}.footer a{color:var(--text-muted);font-size:.9rem;text-decoration:none}.footer a:hover{color:var(--accent)}
