*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter','Segoe UI',system-ui,sans-serif;background:#0a0e17;background-image:radial-gradient(ellipse at 30% 20%,#14233e 0%,#0a0e17 75%);color:#e8edf5;min-height:100vh;display:flex;justify-content:center;align-items:center;padding:16px}
.container{max-width:860px;width:100%;margin:0 auto;background:rgba(14,20,34,0.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:36px;padding:28px 24px;box-shadow:0 40px 100px rgba(0,0,0,0.9),0 0 0 1px rgba(212,175,55,0.12);border:1px solid rgba(212,175,55,0.06);transition:box-shadow 0.4s ease,transform 0.3s ease;transform:perspective(1000px) rotateX(0.5deg) translateZ(4px)}
.container:hover{box-shadow:0 50px 140px rgba(0,0,0,0.95),0 0 0 1px rgba(212,175,55,0.2);transform:perspective(1000px) rotateX(0deg) translateZ(10px)}
.ad-banner{background:linear-gradient(145deg,#0f1a2e,#080e1a);border:1px solid #1f334f;border-radius:20px;padding:14px 20px;margin:8px 0 16px 0;text-align:center;min-height:60px;display:flex;flex-direction:column;justify-content:center;align-items:center;box-shadow:0 6px 24px rgba(0,0,0,0.5);transition:transform 0.3s ease}
.ad-banner:hover{transform:translateY(-2px) scale(1.005)}
.ad-banner .ad-label{font-size:9px;color:#5a7a9a;text-transform:uppercase;letter-spacing:2.5px;margin-bottom:3px;font-weight:700}
.ad-banner .ad-content{font-size:14px;color:#b8cef0;font-weight:500;line-height:1.4}
.ad-banner .ad-content strong{color:#d4af37}
.ad-banner .ad-content .highlight{color:#7a94f0}
.ad-banner .ad-content a{color:#d4af37;text-decoration:none;font-weight:700}
.ad-banner .ad-content a:hover{text-decoration:underline}
.ad-banner-small{background:rgba(10,18,34,0.8);backdrop-filter:blur(4px);border:1px dashed #1f334f;border-radius:16px;padding:10px 16px;margin:10px 0;text-align:center;font-size:13px;color:#6a8aaa;box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.ad-banner-small .ad-link{color:#d4af37;text-decoration:none;font-weight:700;transition:color 0.2s}
.ad-banner-small .ad-link:hover{color:#f0d060;text-decoration:underline}
.header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:4px}
.header h1{font-size:26px;font-weight:800;background:linear-gradient(135deg,#d4af37,#f5d77b,#d4af37);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:goldShimmer 5s ease-in-out infinite;letter-spacing:-0.3px}
@keyframes goldShimmer{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.header .badge{background:rgba(14,20,34,0.9);backdrop-filter:blur(4px);padding:6px 20px;border-radius:60px;font-size:12px;font-weight:700;color:#d4af37;border:1px solid rgba(212,175,55,0.2);-webkit-text-fill-color:#d4af37;box-shadow:0 2px 12px rgba(0,0,0,0.3);letter-spacing:0.3px;white-space:nowrap}
.sub{color:#8a9db8;font-size:14px;margin-bottom:22px;border-left:3px solid #d4af37;padding-left:14px;font-weight:400}
.tabs{display:flex;gap:6px;margin-bottom:20px;border-bottom:1px solid rgba(31,51,79,0.3);padding-bottom:2px;flex-wrap:wrap}
.tab-btn{padding:10px 20px;border:none;background:transparent;color:#8a9db8;font-size:14px;font-weight:700;cursor:pointer;border-radius:40px 40px 0 0;transition:0.3s cubic-bezier(0.34,1.56,0.64,1);font-family:inherit;backdrop-filter:blur(2px);flex:1;text-align:center;min-width:80px}
.tab-btn:hover{color:#e8edf5;background:rgba(31,51,79,0.25);transform:translateY(-2px)}
.tab-btn.active{color:#d4af37;background:rgba(31,51,79,0.3);border-bottom:3px solid #d4af37;box-shadow:0 4px 20px rgba(212,175,55,0.06);transform:translateY(-2px)}
.tab-content{display:none;animation:fadeSlide 0.35s cubic-bezier(0.34,1.56,0.64,1)}
.tab-content.active{display:block}
@keyframes fadeSlide{from{opacity:0;transform:translateY(12px) scale(0.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.panel{background:rgba(10,16,30,0.65);backdrop-filter:blur(8px);border-radius:24px;padding:20px 22px;border:1px solid rgba(31,51,79,0.35);box-shadow:0 8px 32px rgba(0,0,0,0.4);margin-bottom:20px;transition:transform 0.3s ease}
.panel:hover{transform:translateZ(4px)}
.input-group{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.input-group select{flex:1;min-width:140px;padding:14px 20px;border-radius:60px;border:1px solid #1f334f;background:rgba(10,16,30,0.9);color:#e8edf5;font-size:14px;font-weight:600;outline:none;cursor:pointer;transition:0.25s ease;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 12 12'%3E%3Cpath fill='%23d4af37' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 16px center;padding-left:46px;backdrop-filter:blur(4px);box-shadow:0 2px 12px rgba(0,0,0,0.25)}
.input-group select:focus{border-color:#d4af37;box-shadow:0 0 0 3px rgba(212,175,55,0.1),0 4px 20px rgba(212,175,55,0.04)}
.input-group input{flex:2;min-width:160px;padding:14px 20px;border-radius:60px;border:1px solid #1f334f;background:rgba(10,16,30,0.9);color:#e8edf5;font-size:14px;outline:none;transition:0.25s ease;text-align:left;direction:ltr;backdrop-filter:blur(4px);box-shadow:0 2px 12px rgba(0,0,0,0.25)}
.input-group input:focus{border-color:#d4af37;box-shadow:0 0 0 3px rgba(212,175,55,0.1),0 4px 20px rgba(212,175,55,0.04)}
.input-group input::placeholder{color:#5a6a7a;font-weight:400}
.btn{padding:14px 28px;border-radius:60px;border:none;font-weight:700;font-size:14px;cursor:pointer;transition:0.25s cubic-bezier(0.34,1.56,0.64,1);background:linear-gradient(145deg,#d4af37,#b8962a);color:#0a0e17;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;min-width:100px;box-shadow:0 6px 24px rgba(212,175,55,0.2);letter-spacing:0.2px}
.btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 12px 40px rgba(212,175,55,0.3);background:linear-gradient(145deg,#e8c84a,#c9a530)}
.btn:active{transform:scale(0.96)}
.btn-secondary{background:rgba(31,51,79,0.8);color:#e8edf5;border:1px solid #1f334f;box-shadow:0 6px 20px rgba(0,0,0,0.25)}
.btn-secondary:hover{background:rgba(51,79,111,0.9);box-shadow:0 10px 32px rgba(0,0,0,0.4);color:#fff}
.btn-success{background:linear-gradient(145deg,#2ea043,#1f7a33);box-shadow:0 6px 24px rgba(46,160,67,0.2);color:#fff}
.btn-success:hover{background:linear-gradient(145deg,#3fb950,#2a8a3d);box-shadow:0 12px 40px rgba(46,160,67,0.35)}
.btn-refresh{background:linear-gradient(145deg,#4a6a8a,#2a4a6a);box-shadow:0 6px 24px rgba(42,74,106,0.2);color:#fff}
.btn-refresh:hover{background:linear-gradient(145deg,#5a7a9a,#3a5a7a);box-shadow:0 12px 40px rgba(42,74,106,0.35)}
.status{background:rgba(10,16,30,0.5);backdrop-filter:blur(4px);border-radius:60px;padding:12px 20px;margin-top:14px;text-align:center;font-size:13px;color:#8a9db8;border:1px solid rgba(31,51,79,0.25);min-height:48px;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:inset 0 2px 8px rgba(0,0,0,0.2)}
.status .spinner{display:inline-block;width:18px;height:18px;border:2.5px solid #d4af37;border-top-color:transparent;border-radius:50%;animation:spin 0.7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.result-grid{background:rgba(10,16,30,0.55);backdrop-filter:blur(8px);border-radius:24px;padding:18px 20px;border:1px solid rgba(31,51,79,0.25);margin:16px 0 10px 0;box-shadow:0 8px 32px rgba(0,0,0,0.35)}
.result-row{display:flex;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid rgba(31,51,79,0.15);gap:8px;align-items:center}
.result-row:last-child{border-bottom:none}
.result-label{font-weight:700;color:#8a9db8;min-width:90px;font-size:12px;letter-spacing:0.3px;text-transform:uppercase}
.result-value{word-break:break-all;background:rgba(10,16,30,0.6);padding:8px 16px;border-radius:60px;font-family:'SF Mono','Fira Code','Consolas',monospace;font-size:13px;color:#e8edf5;flex:1;border:1px solid rgba(31,51,79,0.25);text-align:left;direction:ltr;min-height:40px;display:flex;align-items:center;gap:8px;backdrop-filter:blur(2px)}
.result-value a{color:#7a94f0;text-decoration:none;font-weight:500;transition:color 0.2s;word-break:break-all}
.result-value a:hover{color:#a8c0ff;text-decoration:underline}
.result-value .full-key{font-size:11px;opacity:0.85}
.balance-pill{background:rgba(14,26,46,0.9);color:#3fb950;padding:4px 18px;border-radius:60px;font-size:13px;font-weight:700;border:1px solid #2d4a3a;display:inline-block;box-shadow:0 2px 12px rgba(46,160,67,0.06);font-family:'SF Mono',monospace}
.balance-pill.loading{color:#f0883e;border-color:#5a4a2a;animation:pulse 1.2s ease-in-out infinite}
.balance-pill.error{color:#f85149;border-color:#5a2a2a}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
.copy-btn{background:rgba(31,51,79,0.4);border:1px solid #1f334f;color:#8a9db8;padding:4px 14px;border-radius:40px;font-size:11px;cursor:pointer;transition:0.2s ease;font-family:inherit;white-space:nowrap;font-weight:600;backdrop-filter:blur(2px);letter-spacing:0.2px;flex-shrink:0}
.copy-btn:hover{background:rgba(31,51,79,0.7);color:#e8edf5;transform:scale(1.04);border-color:#d4af37}
.copy-btn.copied{background:#d4af37;color:#0a0e17;border-color:#d4af37;box-shadow:0 4px 16px rgba(212,175,55,0.2)}
.history-area{margin-top:24px}
.history-header{display:flex;justify-content:space-between;font-size:14px;font-weight:700;color:#8a9db8;margin-bottom:10px;padding:0 4px;letter-spacing:0.3px;text-transform:uppercase}
.history-list{background:rgba(10,16,30,0.5);backdrop-filter:blur(4px);border-radius:20px;max-height:300px;overflow-y:auto;padding:4px 2px;border:1px solid rgba(31,51,79,0.25);box-shadow:inset 0 4px 16px rgba(0,0,0,0.3)}
.history-list::-webkit-scrollbar{width:5px}
.history-list::-webkit-scrollbar-track{background:rgba(10,16,30,0.2);border-radius:10px}
.history-list::-webkit-scrollbar-thumb{background:#1f334f;border-radius:10px}
.history-item{padding:10px 14px;border-bottom:1px solid rgba(31,51,79,0.12);font-family:'SF Mono',monospace;font-size:12px;color:#8a9db8;display:flex;flex-direction:column;gap:6px;transition:background 0.15s}
.history-item:hover{background:rgba(31,51,79,0.08)}
.history-item:last-child{border-bottom:none}
.history-item .history-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.history-item .history-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding-left:4px}
.history-item .addr{color:#e8edf5;word-break:break-all;font-size:12px;flex:1;min-width:80px}
.history-item .private-key-preview{color:#5a6a7a;font-size:10px;font-family:'SF Mono',monospace;word-break:break-all;flex:1;min-width:60px}
.history-item .coin-tag{background:rgba(31,51,79,0.4);padding:3px 14px;border-radius:40px;font-size:10px;font-weight:700;color:#d4af37;letter-spacing:0.3px;white-space:nowrap}
.history-item .time{color:#5a6a7a;font-size:9px;white-space:nowrap}
.history-item .history-copy-btn{background:rgba(31,51,79,0.3);border:1px solid #1f334f;color:#8a9db8;padding:2px 12px;border-radius:40px;font-size:10px;cursor:pointer;transition:0.2s ease;font-family:inherit;white-space:nowrap;font-weight:600;flex-shrink:0}
.history-item .history-copy-btn:hover{background:rgba(31,51,79,0.6);color:#e8edf5;border-color:#d4af37}
.history-item .history-copy-btn.copied{background:#d4af37;color:#0a0e17;border-color:#d4af37}
.history-item .history-copy-btn.private-copy{border-color:#2a4a6a;color:#7a94f0}
.history-item .history-copy-btn.private-copy:hover{background:rgba(42,74,106,0.4);border-color:#7a94f0;color:#a8c0ff}
.history-item .history-copy-btn.private-copy.copied{background:#7a94f0;color:#0a0e17;border-color:#7a94f0}
.history-item .copy-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.footer{margin-top:28px;text-align:center;font-size:13px;color:#5a6a7a;border-top:1px solid rgba(31,51,79,0.2);padding-top:22px}
.footer .support{color:#d4af37;font-weight:700;background:rgba(10,16,30,0.6);padding:6px 22px;border-radius:60px;display:inline-block;font-family:'SF Mono',monospace;font-size:13px;border:1px solid rgba(212,175,55,0.12);backdrop-filter:blur(4px);box-shadow:0 4px 16px rgba(0,0,0,0.2)}
@media (max-width:768px){.container{padding:22px 18px;border-radius:30px;transform:none}.container:hover{transform:none}.header h1{font-size:24px}.tab-btn{font-size:13px;padding:8px 14px;min-width:70px}.input-group select,.input-group input{min-width:120px;padding:12px 16px;font-size:13px}.btn{padding:12px 22px;font-size:13px;min-width:80px}.result-label{min-width:75px;font-size:11px}.result-value{font-size:12px;padding:6px 14px}}
@media (max-width:550px){body{padding:10px}.container{padding:16px 12px;border-radius:24px;transform:none !important}.container:hover{transform:none !important}.header h1{font-size:20px}.header .badge{font-size:10px;padding:4px 14px}.sub{font-size:12px;padding-left:10px;margin-bottom:16px}.tabs{gap:4px;margin-bottom:14px}.tab-btn{font-size:11px;padding:8px 10px;min-width:60px;flex:1}.panel{padding:14px 12px;border-radius:18px;margin-bottom:14px}.input-group{gap:8px;flex-direction:column}.input-group select{width:100%;min-width:unset;padding:12px 16px;padding-left:40px;font-size:13px}.input-group input{width:100%;min-width:unset;padding:12px 16px;font-size:13px}.btn{width:100%;padding:12px 18px;font-size:13px;min-width:unset;justify-content:center}.result-grid{padding:12px 14px;border-radius:18px;margin:12px 0 8px 0}.result-row{padding:10px 0;gap:6px}.result-label{min-width:60px;font-size:10px;letter-spacing:0.2px}.result-value{font-size:11px;padding:6px 12px;min-height:34px;gap:6px;flex-wrap:wrap}.result-value .full-key{font-size:10px}.balance-pill{font-size:11px;padding:3px 14px}.copy-btn{font-size:10px;padding:3px 10px}.history-area{margin-top:18px}.history-header{font-size:12px;margin-bottom:8px}.history-list{max-height:200px;border-radius:16px}.history-item{padding:8px 10px;font-size:11px;gap:4px}.history-item .addr{font-size:10px;min-width:50px}.history-item .coin-tag{font-size:9px;padding:2px 10px}.history-item .history-copy-btn{font-size:9px;padding:2px 10px}.history-item .time{font-size:8px}.history-item .private-key-preview{font-size:9px}.ad-banner{padding:10px 14px;min-height:50px;border-radius:16px;margin:6px 0 12px 0}.ad-banner .ad-content{font-size:12px}.ad-banner .ad-label{font-size:8px}.ad-banner-small{font-size:11px;padding:8px 12px;border-radius:14px;margin:8px 0}.footer{margin-top:20px;font-size:11px;padding-top:16px}.footer .support{font-size:11px;padding:4px 16px}.status{font-size:12px;padding:10px 16px;min-height:40px;margin-top:10px}}
@media (max-width:380px){.container{padding:10px 8px;border-radius:18px}.header h1{font-size:17px}.header .badge{font-size:9px;padding:3px 10px}.tab-btn{font-size:10px;padding:6px 6px;min-width:50px}.panel{padding:10px 8px}.result-grid{padding:8px 10px}.result-value{font-size:10px;padding:4px 10px;min-height:30px}.result-label{font-size:9px;min-width:50px}.btn{font-size:11px;padding:10px 14px}.history-item .addr{font-size:9px}}