:root{--primary: #4f46e5;--primary-hover: #4338ca;--bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);--bg-card: rgba(30, 41, 59, .7);--bg-card-hover: rgba(30, 41, 59, .9);--text-main: #f8fafc;--text-muted: #94a3b8;--border-color: rgba(148, 163, 184, .15);--border-focus: rgba(79, 70, 229, .6);--success: #10b981;--error: #ef4444}*{box-sizing:border-box;margin:0;padding:0;transition:all .2s ease-in-out}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-gradient);color:var(--text-main);min-height:100vh;padding:40px 20px;line-height:1.5}.app{max-width:1000px;margin:0 auto}header{text-align:center;margin-bottom:32px}header h1{font-size:2.5rem;font-weight:800;background:linear-gradient(to right,#818cf8,#c084fc,#e879f9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px;letter-spacing:-.025em}header p{color:var(--text-muted);font-size:1.1rem}.tabs{display:flex;gap:8px;background:#0f172a99;padding:6px;border-radius:12px;margin-bottom:24px;border:1px solid var(--border-color);width:fit-content;margin-left:auto;margin-right:auto}.tab-btn{background:transparent;border:none;color:var(--text-muted);padding:8px 16px;font-weight:600;font-size:.95rem;border-radius:8px;cursor:pointer}.tab-btn:hover{color:var(--text-main)}.tab-btn.active{background:var(--primary);color:var(--text-main);box-shadow:0 4px 12px #4f46e54d}main{display:flex;flex-direction:column;gap:24px}.card{background:var(--bg-card);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;padding:24px;box-shadow:0 10px 25px -5px #0000004d}.card:hover{border-color:#94a3b840}.input-section h2{font-size:1.25rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}textarea{width:100%;min-height:180px;background:#0f172a66;border:1px solid var(--border-color);border-radius:12px;padding:16px;color:var(--text-main);font-family:inherit;font-size:1rem;resize:vertical;outline:none}textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e540}.controls{display:flex;justify-content:flex-end;gap:12px;margin-top:16px}.btn{padding:10px 20px;font-weight:600;border-radius:10px;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;font-size:.95rem}.btn-secondary{background:#94a3b81a;color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{background:#94a3b833}.dropzone{border:2px dashed var(--border-color);border-radius:12px;padding:40px 20px;text-align:center;cursor:pointer;background:#0f172a33;display:flex;flex-direction:column;align-items:center;gap:12px}.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:#4f46e50d}.dropzone-icon{font-size:2.5rem;color:var(--text-muted)}.dropzone.dragover .dropzone-icon{color:var(--primary);transform:scale(1.1)}.file-info{display:flex;align-items:center;justify-content:space-between;background:#0f172a66;padding:12px 16px;border-radius:12px;border:1px solid var(--border-color);margin-top:16px}.file-details{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.file-name{font-weight:600;font-size:1rem}.file-meta{font-size:.85rem;color:var(--text-muted)}.progress-container{margin-top:16px;background:#0f172a99;padding:16px;border-radius:12px;border:1px solid var(--border-color)}.progress-header{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.9rem;font-weight:600}.progress-bar-bg{height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,#4f46e5,#c084fc);border-radius:4px}.error-msg{background:#ef44441a;color:#fca5a5;border:1px solid rgba(239,68,68,.2);padding:12px 16px;border-radius:10px;margin-top:16px;font-size:.95rem}.results-section h2{font-size:1.25rem;margin-bottom:16px}.results-grid{display:grid;grid-template-columns:1fr;gap:16px}@media (min-width: 768px){.results-grid{grid-template-columns:repeat(2,1fr)}}.result-card{background:#0f172a66;border:1px solid var(--border-color);border-radius:12px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;gap:12px}.result-card-header{display:flex;justify-content:space-between;align-items:center}.result-card h3{font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.copy-btn{background:#ffffff0d;border:1px solid var(--border-color);color:var(--text-main);padding:6px 12px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:4px}.copy-btn:hover{background:#ffffff26}.copy-btn.copied{background:#10b98133;border-color:var(--success);color:#a7f3d0}.hash-container{background:#0f172acc;border-radius:8px;padding:12px;font-family:JetBrains Mono,Fira Code,Courier New,monospace;font-size:.9rem;color:#38bdf8;word-break:break-all;min-height:44px;display:flex;align-items:center}.hash-placeholder{color:var(--text-muted);font-style:italic;font-size:.85rem}.computing-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:var(--text-main);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}