*,*:before,*:after{box-sizing:border-box}:root{--bg-primary: #07080c;--bg-secondary: rgba(15, 16, 22, .85);--bg-card: rgba(20, 22, 30, .7);--border: rgba(255, 255, 255, .08);--border-focus: rgba(99, 126, 234, .5);--text-primary: #f0f1f5;--text-secondary: rgba(240, 241, 245, .65);--text-muted: rgba(240, 241, 245, .45);--accent: #627eea;--accent-2: #4f64c7;--accent-hi: #8fa7ff;--accent-glow: rgba(99, 126, 234, .25);--accent-soft: rgba(99, 126, 234, .08);--grad-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);--success: #4ade80;--success-glow: rgba(74, 222, 128, .2);--warning: #fbbf24;--danger: #f87171;--surface: rgba(255, 255, 255, .05);--surface-hover: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .15);--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Monaco, "Cascadia Code", monospace;--radius: 12px;--radius-sm: 8px;--ease: cubic-bezier(.22, 1, .36, 1);--speed: .18s}html{font-family:var(--font-sans);font-size:15px;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased}body{margin:0;min-height:100vh;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(99,126,234,.15) 0%,transparent 50%),var(--bg-primary)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}#app{max-width:560px;margin:0 auto;padding:48px 20px 64px}.header{text-align:center;margin-bottom:32px}.logo{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;margin-bottom:16px;background:radial-gradient(120% 120% at 30% 20%,#1b2340,#0b0e1c 70%);border:1px solid rgba(143,167,255,.22);border-radius:17px;box-shadow:0 10px 30px #637eea38,inset 0 1px #ffffff0f}.logo-mark{width:42px;height:42px;transform-origin:center}.logo-brush{transform-box:fill-box;transform-origin:70% 30%;animation:brush-in .7s var(--ease) backwards .15s}@keyframes brush-in{0%{transform:translate(5px,-7px) 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label{font-size:12px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}input[type=text],input:not([type]){width:100%;padding:12px 14px;font-family:var(--font-mono);font-size:16px;color:var(--text-primary);background:#0000004d;border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;transition:border-color .15s,box-shadow .15s}input::placeholder{color:var(--text-muted)}input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}input:disabled{opacity:.5;cursor:not-allowed}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:12px;margin-bottom:20px;padding:12px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm)}.helper-text{margin:-8px 0 12px;font-size:12px;color:var(--text-secondary)}.pattern-warning{margin:-4px 0 14px;padding:10px 12px;font-size:12px;line-height:1.4;color:var(--warning);background:#fbbf2414;border:1px solid rgba(251,191,36,.22);border-radius:var(--radius-sm)}.pattern-warning.hidden{display:none}.target-wrap,.case-wrap{display:flex;flex-direction:column;gap:6px;min-width:0}.target-label{font-size:11px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.target-toggle{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:4px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#00000040}.target-option{position:relative;display:flex;cursor:pointer}.target-option input{position:absolute;opacity:0;pointer-events:none}.target-option span{flex:1;display:flex;align-items:center;justify-content:center;min-height:34px;padding:7px 8px;font-size:12px;font-weight:500;white-space:nowrap;color:var(--text-secondary);border-radius:6px;border:1px solid transparent;transition:color var(--speed) var(--ease),background var(--speed) var(--ease),border-color var(--speed) var(--ease),box-shadow var(--speed) var(--ease)}.target-option:hover span{color:var(--text-primary);background:#ffffff0d}.target-option input:checked+span{color:#fff;background:var(--grad-accent);border-color:#8fa7ff99;box-shadow:0 4px 14px var(--accent-glow)}.target-option input:focus-visible+span{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.target-option input:disabled+span{opacity:.5;cursor:not-allowed}.case-toggle{padding:4px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#00000040}.case-option{position:relative;display:flex;cursor:pointer}.case-option input{position:absolute;opacity:0;pointer-events:none}.case-option span{flex:1;display:flex;align-items:center;justify-content:center;min-height:34px;padding:7px 8px;font-size:12px;font-weight:500;white-space:nowrap;color:var(--text-secondary);border-radius:6px;border:1px solid transparent;transition:color var(--speed) var(--ease),background var(--speed) var(--ease),border-color var(--speed) var(--ease),box-shadow var(--speed) var(--ease)}.case-option:hover span{color:var(--text-primary);background:#ffffff0d}.case-option input:checked+span{color:#fff;background:var(--grad-accent);border-color:#8fa7ff99;box-shadow:0 4px 14px var(--accent-glow)}.case-option input:focus-visible+span{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.case-option input:disabled+span{opacity:.5;cursor:not-allowed}.btn-generate{width:100%;padding:14px 20px;font-family:var(--font-sans);font-size:15px;font-weight:600;color:#fff;background:var(--grad-accent);border:none;border-radius:var(--radius);cursor:pointer;box-shadow:0 4px 16px var(--accent-glow);transition:transform .12s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease)}.btn-generate:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 10px 26px #637eea66}.btn-generate:active:not(:disabled){transform:translateY(0) scale(.99);box-shadow:0 4px 14px var(--accent-glow)}.btn-generate:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-glow),0 4px 16px var(--accent-glow)}.btn-generate:disabled{opacity:.5;cursor:not-allowed}.btn-generate.running{background:linear-gradient(135deg,#4a5568,#2d3748)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}.stat{padding:14px 12px;text-align:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm)}.stat-label{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:4px}.stat-value{font-family:var(--font-mono);font-size:14px;font-weight:600;color:var(--text-primary)}.result{margin-top:20px;padding:20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);display:none}.result.visible{display:block;animation:slideIn .3s ease}.result.found{border-color:var(--success);box-shadow:0 0 0 1px var(--success-glow),0 8px 32px 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solid var(--border);border-radius:6px;cursor:pointer;transition:all .15s}.copy-btn:hover{color:var(--text-primary);background:#ffffff1a}.copy-btn.copied{color:var(--success);border-color:var(--success)}.copy-btn.hidden{display:none}.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.btn{padding:10px 16px;font-family:var(--font-sans);font-size:13px;font-weight:600;color:var(--text-primary);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--speed) var(--ease),border-color var(--speed) var(--ease),transform .12s var(--ease),box-shadow .2s var(--ease)}.btn:hover:not(:disabled){background:var(--surface-hover);border-color:var(--border-hover)}.btn:active:not(:disabled){transform:scale(.985)}.btn:focus-visible{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px 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.15s}.copy-btn-small:hover{color:var(--text-primary);background:#ffffff1a}.copy-btn-small.copied{color:var(--success);border-color:var(--success)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.generating .preview-address{animation:pulse 1s ease-in-out infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.btn-generate.running{background:linear-gradient(90deg,#4a5568,#5a6778,#4a5568,#5a6778,#4a5568);background-size:200% 100%;animation:shimmer 2s linear infinite}.modal-overlay{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;background:#000000a6;backdrop-filter:blur(4px)}.modal-overlay[hidden]{display:none}.modal{width:100%;max-width:380px;padding:24px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 20px 60px #00000080;animation:slideIn .2s ease}.modal-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.modal-desc{font-size:12px;line-height:1.5;color:var(--text-secondary);margin-bottom:16px}.modal-input{width:100%;padding:11px 12px;margin-bottom:10px;font-family:var(--font-sans);font-size:14px;color:var(--text-primary);background:#0000004d;border:1px solid var(--border);border-radius:var(--radius-sm);box-sizing:border-box}.modal-input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.modal-error{min-height:16px;font-size:12px;color:var(--danger);margin-bottom:12px}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.security-note{margin-top:16px;padding:12px 14px;font-size:11.5px;line-height:1.6;color:var(--text-secondary);background:#637eea0f;border:1px solid var(--border);border-left:2px solid var(--accent);border-radius:var(--radius-sm)}.security-note strong{color:var(--text-primary);font-weight:600}.security-note ul{margin:6px 0 0;padding-left:18px}.security-note li{margin-top:3px}.copy-warning{margin-top:8px;font-size:11px;color:var(--text-muted)}@media(max-width:480px){#app{padding:32px 16px 48px}.input-group,.stats,.options{grid-template-columns:1fr}.target-wrap,.case-wrap{width:100%;min-width:0}.actions{grid-template-columns:1fr}}@keyframes rise{0%{transform:translateY(12px)}to{transform:translateY(0)}}.header{animation:rise .6s var(--ease) backwards}.panel{animation:rise .6s var(--ease) backwards .07s}.footer{animation:rise .6s var(--ease) backwards .14s}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}