*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--surface: #181c25;--surface2: #1e2330;--border: #2a2f3d;--text: #e8eaf0;--muted: #7a8196;--accent: #f7931a;--accent-dim: rgba(247,147,26,.15);--green: #22c55e;--red: #ef4444;--yellow: #eab308;--radius: 10px;--font: "Inter", system-ui, -apple-system, sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.6;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px}.logo span{color:var(--accent)}.back-link{color:var(--muted);text-decoration:none;font-size:13px;transition:color .15s}.back-link:hover{color:var(--text)}.main{max-width:680px;margin:0 auto;padding:32px 16px 64px;display:flex;flex-direction:column;gap:20px}.page-title h1{font-size:22px;font-weight:700}.page-sub{color:var(--muted);margin-top:4px;font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.section{padding:20px 24px;border-bottom:1px solid var(--border)}.section:last-child{border-bottom:none}.section h2{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}.chain-selector{display:flex;gap:8px}.chain-btn{display:flex;align-items:center;gap:8px;padding:8px 18px;border:1px solid var(--border);border-radius:8px;background:var(--surface2);color:var(--muted);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s}.chain-btn:hover:not(:disabled){border-color:var(--accent);color:var(--text)}.chain-btn.active{border-color:var(--accent);background:var(--accent-dim);color:var(--accent)}.chain-btn:disabled{opacity:.5;cursor:not-allowed}.chain-icon{font-size:16px}.pattern-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.input-wrap{position:relative;display:flex;align-items:center}.input-prefix-label{position:absolute;left:10px;color:var(--muted);font-size:13px;pointer-events:none;user-select:none}.input-wrap input{padding-left:28px!important}input[type=text],input[type=password]{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:8px 12px;color:var(--text);font-size:14px;font-family:Menlo,Consolas,monospace;outline:none;transition:border-color .15s}input:focus{border-color:var(--accent)}input:disabled{opacity:.5;cursor:not-allowed}.case-row{display:flex;align-items:center}.case-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);cursor:pointer;user-select:none}.case-toggle.disabled{color:var(--muted);cursor:default}.case-toggle input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px}.tooltip-hint{color:var(--muted);font-size:12px}.input-error{margin-top:10px;padding:8px 12px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:6px;color:var(--red);font-size:13px}.difficulty{display:flex;flex-direction:column;gap:4px;padding:12px 16px;border-radius:8px;border:1px solid}.tier-fast{background:#22c55e14;border-color:#22c55e4d}.tier-minutes{background:#eab30814;border-color:#eab3084d}.tier-hours{background:#f9731614;border-color:#f973164d}.tier-days{background:#ef444414;border-color:#ef44444d}.tier-fast .difficulty-label{color:var(--green)}.tier-minutes .difficulty-label{color:var(--yellow)}.tier-hours .difficulty-label{color:#f97316}.tier-days .difficulty-label{color:var(--red)}.difficulty-label{font-weight:600;font-size:14px}.difficulty-detail{font-size:12px;color:var(--muted)}.actions{display:flex;align-items:center;gap:16px}.btn-primary,.btn-cancel,.btn-secondary,.btn-reveal,.btn-copy{padding:9px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .15s}.btn-primary{background:var(--accent);color:#000}.btn-primary:hover:not(:disabled){background:#e8850f}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-cancel{background:#ef444426;color:var(--red);border:1px solid rgba(239,68,68,.3)}.btn-cancel:hover{background:#ef444440}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-reveal{background:var(--accent-dim);color:var(--accent);border:1px solid rgba(247,147,26,.4);width:100%;margin-top:4px;padding:12px}.btn-reveal:hover{background:#f7931a40}.btn-copy{background:var(--surface2);color:var(--muted);border:1px solid var(--border);padding:5px 12px;font-size:12px;margin-top:6px}.btn-copy:hover{color:var(--text)}.cores-hint{font-size:12px;color:var(--muted)}.spinner-row{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.live-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{display:flex;flex-direction:column;align-items:center;padding:12px;background:var(--surface2);border-radius:8px;border:1px solid var(--border)}.stat-value{font-size:18px;font-weight:700;font-family:Menlo,monospace;color:var(--accent)}.stat-label{font-size:11px;color:var(--muted);margin-top:2px}.match-result{padding:24px}.match-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.match-badge{background:#22c55e26;color:var(--green);border:1px solid rgba(34,197,94,.3);padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600}.match-meta{font-size:12px;color:var(--muted)}.match-address label{font-size:12px;color:var(--muted);margin-bottom:6px;display:block}.address-display{font-family:Menlo,Consolas,monospace;font-size:13px;word-break:break-all;background:var(--surface2);padding:10px 14px;border-radius:6px;border:1px solid var(--border);margin-bottom:16px}.address-display mark{background:#f7931a4d;color:var(--accent);border-radius:2px;padding:0 1px}.key-section{display:flex;flex-direction:column;gap:14px}.key-block label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}.key-value{font-family:Menlo,Consolas,monospace;font-size:12px;word-break:break-all;background:var(--surface2);padding:10px 14px;border-radius:6px;border:1px solid var(--border);color:var(--text)}.key-value.mnemonic{line-height:1.8}.export-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;width:380px;display:flex;flex-direction:column;gap:14px}.modal h3{font-size:16px}.modal p{font-size:13px;color:var(--muted)}.modal-error{color:var(--red);font-size:13px}.modal-actions{display:flex;gap:10px}.security-notice{text-align:center;font-size:12px;color:var(--muted);padding:8px}@media (max-width: 480px){.pattern-row{grid-template-columns:1fr}.live-stats{grid-template-columns:repeat(2,1fr)}.actions{flex-direction:column;align-items:flex-start}}