*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f5f6fa;--bg-alt:#ffffff;--surface:#ffffff;--surface2:#f0f1f5;--border:#e2e4ed;--border-focus:#6c63ff;--text:#111827;--text-muted:#6b7280;--text-subtle:#9ca3af;--accent:#6c63ff;--accent-dark:#574fd6;--accent-soft:rgba(108,99,255,0.08);--accent-soft2:rgba(108,99,255,0.18);--green:#10b981;--green-soft:rgba(16,185,129,0.10);--yellow:#f59e0b;--yellow-soft:rgba(245,158,11,0.10);--red:#ef4444;--red-soft:rgba(239,68,68,0.10);--shadow-sm:0 1px 3px rgba(0,0,0,0.07);--shadow-md:0 4px 16px rgba(0,0,0,0.08);--radius:16px;--radius-sm:10px;--radius-xs:6px;--transition:0.18s ease}[data-theme=dark]{--bg:#0d0f18;--bg-alt:#111420;--surface:#161929;--surface2:#1e2235;--border:#272b3f;--text:#f0f2fa;--text-muted:#8b91ab;--text-subtle:#555c7a;--accent-soft:rgba(108,99,255,0.12);--accent-soft2:rgba(108,99,255,0.22);--green-soft:rgba(16,185,129,0.12);--yellow-soft:rgba(245,158,11,0.12);--red-soft:rgba(239,68,68,0.12);--shadow-sm:0 1px 3px rgba(0,0,0,0.3);--shadow-md:0 4px 20px rgba(0,0,0,0.4)}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;transition:background var(--transition),color var(--transition)}.header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:var(--bg-alt);border-bottom:1px solid var(--border);transition:background var(--transition),border-color var(--transition)}.header-inner{max-width:720px;margin:0 auto;padding:0 20px;height:58px;justify-content:space-between}.header-inner,.logo{display:flex;align-items:center}.logo{gap:10px;text-decoration:none}.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--accent),#a78bfa);border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(108,99,255,.3)}.logo-text{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.3px}.logo-text span{color:var(--accent)}.theme-btn{width:36px;height:36px;border-radius:9px;border:1px solid var(--border);background:var(--surface2);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.theme-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}main{flex:1 1;max-width:720px;width:100%;margin:0 auto;padding:40px 20px 64px}footer{text-align:center;padding:18px;font-size:12px;color:var(--text-subtle);border-top:1px solid var(--border)}footer a{color:var(--text-muted);text-decoration:none}footer a:hover{color:var(--accent)}.hero{text-align:center;margin-bottom:32px}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-soft2);border-radius:99px;font-size:12px;font-weight:600;padding:5px 12px;margin-bottom:16px}.hero h1{font-size:clamp(24px,5vw,34px);font-weight:800;letter-spacing:-.7px;line-height:1.2;margin-bottom:10px}.hero h1 .grad{background:linear-gradient(135deg,var(--accent),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:15px;color:var(--text-muted);max-width:420px;margin:0 auto;line-height:1.6}.trust-bar{justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:28px}.trust-bar,.trust-item{display:flex;align-items:center}.trust-item{gap:6px;font-size:12px;font-weight:500;color:var(--text-muted)}.trust-dot{width:6px;height:6px;background:var(--green);border-radius:50%;flex-shrink:0;box-shadow:0 0 0 3px var(--green-soft)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-md);transition:background var(--transition),border-color var(--transition)}.field{margin-bottom:18px}.field-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}.field-label label{font-size:13px;font-weight:600;color:var(--text)}.opt{background:var(--surface2);padding:2px 7px;border-radius:99px;border:1px solid var(--border)}.char-count,.opt,.section-title{font-size:11px;color:var(--text-subtle)}.section-title{font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px;display:flex;align-items:center;gap:8px}.section-title:after{content:"";flex:1 1;height:1px;background:var(--border)}.row-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px;margin-bottom:18px}input[type=password],input[type=text],select,textarea{width:100%;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:14px;padding:10px 13px;outline:none;transition:border-color var(--transition),box-shadow var(--transition);-webkit-appearance:none;-moz-appearance:none;appearance:none}input:focus,select:focus,textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-soft2)}textarea{height:145px;resize:vertical;font-family:SF Mono,Fira Code,Courier New,monospace;font-size:13px;line-height:1.65}input::placeholder,textarea::placeholder{color:var(--text-subtle)}select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer}select option{background:var(--surface)}.input-wrap{position:relative}.input-wrap input{padding-right:42px}.eye-btn{position:absolute;right:11px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-subtle);cursor:pointer;padding:2px;display:flex;align-items:center;transition:color var(--transition)}.eye-btn:hover{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:none;text-decoration:none;transition:all var(--transition);white-space:nowrap}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background:linear-gradient(135deg,var(--accent),#7c6dff);color:#fff;width:100%;font-size:15px;padding:13px 20px;box-shadow:0 2px 12px rgba(108,99,255,.28);margin-top:6px}.btn-primary:hover{background:linear-gradient(135deg,var(--accent-dark),var(--accent));box-shadow:0 4px 18px rgba(108,99,255,.38);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-ghost{background:var(--surface2);color:var(--text-muted);border:1px solid var(--border);padding:7px 13px;font-size:13px;border-radius:var(--radius-xs)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}.btn-outline:hover{background:var(--accent);color:#fff}.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.result-box{margin-top:20px;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm)}.result-header{background:var(--green-soft);border-bottom:1px solid var(--border);padding:10px 14px;display:flex;align-items:center;gap:8px}.result-header-icon{width:18px;height:18px;background:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.result-header-text{font-size:13px;font-weight:600;color:var(--green)}.result-body{padding:14px;background:var(--surface)}.url-row{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);padding:9px 12px;margin-bottom:10px}.url-text{flex:1 1;font-family:SF Mono,Fira Code,monospace;font-size:12px;color:var(--text);word-break:break-all;line-height:1.4}.result-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.hint-text{font-size:12px;color:var(--text-subtle);line-height:1.5}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;margin:12px 0}.qr-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--text-subtle)}.qr-img{width:130px;height:130px;border-radius:var(--radius-xs);border:1px solid var(--border);background:#fff}.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:3px 8px;border-radius:99px}.badge-green{background:var(--green-soft);color:var(--green);border:1px solid rgba(16,185,129,.2)}.badge-yellow{background:var(--yellow-soft);color:var(--yellow);border:1px solid rgba(245,158,11,.2)}.badge-red{background:var(--red-soft);color:var(--red);border:1px solid rgba(239,68,68,.2)}.skeleton-wrap{padding:28px 0 20px;display:flex;flex-direction:column;gap:10px}.skeleton-line{background:var(--border);border-radius:6px;height:13px}.skeleton-box{background:var(--border);border-radius:8px;height:72px;margin-top:4px}.center-state{flex-direction:column;text-align:center;padding:48px 20px}.center-state,.state-icon{display:flex;align-items:center}.state-icon{width:64px;height:64px;border-radius:16px;justify-content:center;margin-bottom:16px;font-size:28px}.state-icon-red{background:var(--red-soft)}.state-icon-yellow{background:var(--yellow-soft)}.center-state h2{font-size:19px;font-weight:700;margin-bottom:8px}.center-state p{font-size:14px;color:var(--text-muted);max-width:320px;line-height:1.6;margin-bottom:20px}.pp-wrap{max-width:400px}.pp-wrap h2{font-size:19px;font-weight:700;margin-bottom:6px}.pp-wrap .sub{font-size:14px;color:var(--text-muted);margin-bottom:20px;line-height:1.5}.err-msg{display:none;align-items:center;gap:7px;padding:9px 12px;background:var(--red-soft);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-xs);font-size:13px;color:var(--red);margin-top:8px}.err-msg.show{display:flex}.revealed-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.revealed-title{font-size:19px;font-weight:700;margin-bottom:3px}.revealed-sub{font-size:13px;color:var(--text-muted)}.secret-display{background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;font-family:SF Mono,Fira Code,Courier New,monospace;font-size:13px;line-height:1.7;word-break:break-all;white-space:pre-wrap;max-height:340px;overflow-y:auto;color:var(--text);margin-bottom:12px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.countdown-wrap{display:flex;align-items:center;gap:10px;margin-bottom:12px}.countdown-track{flex:1 1;height:4px;background:var(--border);border-radius:99px;overflow:hidden}.countdown-fill{height:100%;background:linear-gradient(90deg,var(--accent),#a78bfa);border-radius:99px;transition:width 1s linear}.countdown-fill.warn{background:linear-gradient(90deg,var(--yellow),#fbbf24)}.countdown-fill.danger{background:linear-gradient(90deg,var(--red),#f87171)}.countdown-label{font-size:12px;color:var(--text-muted);white-space:nowrap;min-width:60px;text-align:right}.destroyed-notice{padding:10px 13px;background:var(--red-soft);border:1px solid rgba(239,68,68,.18);border-radius:var(--radius-xs);font-size:12px;color:var(--red);display:flex;align-items:center;gap:7px;margin-bottom:12px}.new-link{text-align:center;font-size:13px;color:var(--text-muted)}.new-link a{color:var(--accent);text-decoration:none;font-weight:500}.new-link a:hover{text-decoration:underline}.confirm-wrap{text-align:center;padding:12px 0;display:flex;flex-direction:column;align-items:center}.confirm-wrap .icon{font-size:34px;margin-bottom:14px}.confirm-wrap h2{font-size:19px;font-weight:700;margin-bottom:8px}.confirm-wrap p{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:20px;max-width:340px}.confirm-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.confirm-note{font-size:12px;color:var(--text-subtle);margin-top:12px}@media (max-width:580px){main{padding:24px 14px 48px}.card{padding:18px}.row-2{grid-template-columns:1fr;gap:0}.action-row,.confirm-btns{flex-direction:column}.action-row .btn,.confirm-btns .btn{width:100%}.revealed-header{flex-direction:column;gap:8px}}