:root{--bg-main: #0B0F19;--bg-card: #161F30;--bg-input: #1F2A40;--accent-cyan: #00F2FE;--accent-purple: #4FACFE;--text-primary: #F3F4F6;--text-secondary: #9CA3AF;--success: #10B981;--error: #EF4444;--info: #3B82F6;--border-color: #24334D}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);font-family:Plus Jakarta Sans,sans-serif;-webkit-font-smoothing:antialiased}.app-container{min-height:100vh;display:flex;flex-direction:column}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;background-color:#161f30b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color)}.brand{display:flex;align-items:center;gap:.75rem}.logo-icon{font-size:1.5rem}.brand h1{font-size:1.25rem;font-weight:700;letter-spacing:-.5px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.badge{font-size:.7rem;background:var(--border-color);padding:2px 8px;border-radius:12px;color:var(--text-secondary)}.btn-connect{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;border:1px solid var(--border-color);padding:.6rem 1.2rem;border-radius:8px;cursor:pointer;font-weight:600;font-size:.9rem;transition:all .2s usage}.btn-connect:hover{border-color:var(--accent-cyan);box-shadow:0 0 10px #00f2fe33}.btn-connect.connected{border-color:var(--success);background:#10b9811a;color:var(--success)}.main-content{flex:1;max-width:800px;width:100%;margin:0 auto;padding:3rem 1.5rem}.hero{text-align:center;margin-bottom:2.5rem}.hero h2{font-size:2.25rem;font-weight:700;margin-bottom:.75rem;letter-spacing:-.75px}.hero p{color:var(--text-secondary);line-height:1.6}.tabs-navigation{display:flex;background-color:var(--bg-card);padding:.4rem;border-radius:10px;gap:.4rem;margin-bottom:2rem;border:1px solid var(--border-color)}.tab-btn{flex:1;background:transparent;border:none;color:var(--text-secondary);padding:.8rem;border-radius:6px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .2s ease}.tab-btn.active{background-color:var(--bg-input);color:var(--accent-cyan);box-shadow:0 4px 12px #0003}.status-banner{display:flex;align-items:center;gap:.75rem;padding:1rem;border-radius:8px;margin-bottom:1.5rem;font-size:.9rem;border:1px solid transparent}.status-banner.info{background:#3b82f61a;border-color:#3b82f633;color:var(--info)}.status-banner.success{background:#10b9811a;border-color:#10b98133;color:var(--success)}.status-banner.error{background:#ef44441a;border-color:#ef444433;color:var(--error)}.spinner-dot{width:8px;height:8px;background-color:currentColor;border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{0%{opacity:.4}50%{opacity:1}to{opacity:.4}}.tab-pane h3{font-size:1.5rem;margin-bottom:.5rem}.pane-desc{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.95rem}.upload-box{position:relative;border:2px dashed var(--border-color);border-radius:12px;padding:3rem 2rem;text-align:center;transition:all .2s ease;background:#161f304d}.upload-box:hover{border-color:var(--accent-cyan);background:#00f2fe0d}.upload-box input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.upload-label .icon{font-size:2.5rem;margin-bottom:1rem}.verification-results-card{margin-top:1.5rem;background:var(--bg-card);border:1px solid var(--success);border-radius:12px;padding:1.5rem;animation:slideUp .3s ease-out}.success-badge{display:inline-block;background:var(--success);color:#fff;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:4px;margin-bottom:1rem}.grid-meta{display:flex;flex-direction:column;gap:.75rem}.meta-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--border-color);padding-bottom:.5rem;font-size:.9rem}.meta-row strong{color:var(--text-secondary)}.hash-row{flex-direction:column;gap:.4rem;border:none}.hash-row code{background:var(--bg-input);padding:.5rem;border-radius:4px;word-break:break-all;font-size:.8rem;color:var(--accent-cyan)}.styled-form{display:flex;flex-direction:column;gap:1.25rem}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.input-group input[type=text]{background:var(--bg-input);border:1px solid var(--border-color);padding:.8rem;border-radius:8px;color:#fff;font-family:inherit;transition:border-color .2s}.input-group input:focus{outline:none;border-color:var(--accent-cyan)}.hash-preview{font-size:.8rem;background:#00f2fe0d;padding:.75rem;border-radius:6px;margin-top:.5rem;border-left:3px solid var(--accent-cyan)}.btn-submit{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));color:#000;border:none;padding:1rem;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:1rem}.btn-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #00f2fe4d}.btn-submit:disabled{opacity:.5;cursor:not-allowed}.warning-text{color:#fbbf24;text-align:center;font-size:.8rem}.footer{text-align:center;padding:2rem;color:var(--text-secondary);font-size:.85rem;border-top:1px solid var(--border-color)}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}