:root{--bg-base: #0a0f14;--bg-surface: #0e151c;--bg-elevated: #131c25;--bg-panel: #111a22;--bg-hover: #1a2530;--bg-active: #223141;--border-subtle: #1b2833;--border-default: #263644;--border-strong: #35495b;--text-primary: #e8f0f6;--text-secondary: #9fb3c2;--text-tertiary: #6b8296;--text-muted: #48606f;--accent: #2dd4bf;--accent-hover: #14b8a6;--accent-dim: rgba(45, 212, 191, .14);--accent-glow: rgba(45, 212, 191, .28);--good: #34d399;--warn: #fbbf24;--bad: #f87171;--info: #38bdf8;--xfer: #818cf8;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Helvetica, Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition: .16s ease}[hidden]{display:none!important}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font-sans);font-size:15px;line-height:1.5;color:var(--text-primary);background:radial-gradient(1100px 600px at 78% -8%,rgba(45,212,191,.1),transparent 60%),radial-gradient(900px 520px at 8% 108%,rgba(129,140,248,.08),transparent 60%),var(--bg-base);-webkit-font-smoothing:antialiased}#app{min-height:100vh}.app-shell{min-height:100vh;display:flex;flex-direction:column}svg{width:1.15em;height:1.15em;flex:none}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px clamp(14px,4vw,34px);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:20;background:#0a0f14d1;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:10px;font-weight:650}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;color:var(--bg-base);background:linear-gradient(140deg,var(--accent),#38bdf8);box-shadow:0 4px 16px var(--accent-glow)}.brand-mark svg{width:20px;height:20px;stroke-width:2}.brand-name{font-size:18px;letter-spacing:-.01em}.topnav{display:flex;gap:4px}.nav-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font:inherit;font-size:13.5px;cursor:pointer;transition:var(--transition)}.nav-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-btn svg{width:16px;height:16px}.trust-banner{display:flex;align-items:center;gap:12px;width:min(920px,calc(100% - 28px));margin:18px auto 0;padding:12px 16px;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--accent-dim);color:var(--text-secondary);font:inherit;font-size:13.5px;text-align:left;cursor:pointer;transition:var(--transition)}.trust-banner:hover{border-color:var(--accent);color:var(--text-primary)}.trust-banner svg{width:18px;height:18px;color:var(--accent)}.trust-banner strong{color:var(--text-primary);font-weight:620}.main-content{flex:1 0 auto;width:min(920px,calc(100% - 28px));margin:0 auto;padding:18px 0 44px;display:flex;flex-direction:column;gap:18px}.card{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:linear-gradient(180deg,var(--bg-surface),var(--bg-base));padding:clamp(18px,3vw,26px)}.card-title{margin:0 0 6px;font-size:clamp(20px,3.4vw,26px);letter-spacing:-.02em}.card-sub{margin:0 0 20px;color:var(--text-secondary);max-width:60ch}.pair-grid{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}.pair-left{display:flex;flex-direction:column;gap:14px}.field-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);margin-bottom:6px}.link-row{display:flex;gap:8px}.link-input,.text-input,.select{width:100%;padding:10px 12px;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-panel);color:var(--text-primary);font:inherit;font-size:13.5px}.link-input{font-family:var(--font-mono);font-size:12.5px;color:var(--accent)}.select{cursor:pointer}.text-input:focus,.select:focus,.link-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.opts-row{display:flex;flex-direction:column}.pair-right{display:flex;flex-direction:column;align-items:center;gap:8px}.qr-box{width:150px;height:150px;border-radius:var(--radius-md);background:#eef4f8;display:grid;place-items:center;overflow:hidden;border:1px solid var(--border-default)}.qr-box img{display:block;width:100%;height:100%}.qr-cap{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-tertiary)}.qr-cap svg{width:14px;height:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 16px;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-primary);font:inherit;font-size:14px;font-weight:550;cursor:pointer;transition:var(--transition)}.btn:hover{background:var(--bg-hover);border-color:var(--border-strong)}.btn svg{width:16px;height:16px}.btn-ghost{background:transparent}.btn-sm{padding:6px 11px;font-size:12.5px}.btn-danger{color:var(--bad);border-color:#f8717159}.btn-danger:hover{background:#f871711f;border-color:var(--bad)}.dropzone{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:40px 22px;border:2px dashed var(--border-default);border-radius:var(--radius-md);background:var(--bg-panel);cursor:pointer;transition:var(--transition)}.dropzone:hover,.dropzone:focus-visible,.dropzone.drag{border-color:var(--accent);background:var(--accent-dim);outline:none}.dz-icon{color:var(--accent)}.dz-icon svg{width:40px;height:40px;stroke-width:1.5}.dz-main{font-size:17px;font-weight:600}.dz-sub{font-size:13px;color:var(--text-secondary);max-width:46ch}.dz-fallback{margin-top:8px;display:flex;flex-direction:column;align-items:center;gap:6px}.folder-chosen .fc-row{display:flex;align-items:center;gap:10px}.fc-icon{color:var(--good);display:inline-flex}.fc-label{font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.status-dot{width:11px;height:11px;border-radius:50%;background:var(--text-muted);flex:none}.status-dot[data-status=waiting]{background:var(--warn);animation:pulse 1.6s infinite}.status-dot[data-status=paired]{background:var(--info)}.status-dot[data-status=syncing]{background:var(--accent);animation:pulse 1.1s infinite}.status-dot[data-status=insync]{background:var(--good)}.status-dot[data-status=error]{background:var(--bad)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.status-text{font-weight:600}.peer-name{color:var(--text-secondary);font-size:13.5px}.status-row .btn-danger{margin-left:auto}.sas-box{margin-top:16px;padding:14px 16px;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-panel)}.sas-head{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-secondary);margin-bottom:10px}.sas-head svg{width:15px;height:15px;color:var(--accent)}.sas-words{display:flex;flex-wrap:wrap;gap:8px}.sas-word{font-family:var(--font-mono);font-size:15px;font-weight:600;color:var(--accent);padding:6px 12px;border-radius:var(--radius-sm);background:var(--accent-dim);border:1px solid rgba(45,212,191,.3)}.extra-peer{margin-top:14px;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--radius-sm);background:#fbbf241a;border:1px solid rgba(251,191,36,.3);color:var(--warn);font-size:13px}.extra-peer svg{width:16px;height:16px}.summary-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.summary-cell{display:flex;align-items:center;gap:8px;padding:12px 14px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-panel);font-weight:600}.summary-cell .sc-icon{color:var(--text-tertiary);display:inline-flex}.summary-cell .sc-tag{margin-left:auto;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary)}.xfer-wrap{margin-top:18px}.xfer-head{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);margin-bottom:8px}.xfer-list{display:flex;flex-direction:column;gap:6px;max-height:320px;overflow-y:auto}.xfer-empty{color:var(--text-muted);font-size:13px;padding:8px 0}.xfer-row{display:grid;grid-template-columns:auto 1fr 120px auto;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-panel)}.xfer-dir{display:inline-flex;color:var(--text-tertiary)}.xfer-row[data-state=done] .xfer-dir{color:var(--good)}.xfer-row[data-state=error] .xfer-dir{color:var(--bad)}.xfer-name{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-mono)}.xfer-bar{height:6px;border-radius:4px;background:var(--bg-active);overflow:hidden}.xfer-fill{display:block;height:100%;width:0;background:var(--accent);transition:width .14s ease}.xfer-row[data-state=done] .xfer-fill{background:var(--good)}.xfer-row[data-state=error] .xfer-fill{background:var(--bad)}.xfer-label{font-size:11.5px;color:var(--text-tertiary);font-variant-numeric:tabular-nums;text-align:right}.site-footer{flex-shrink:0;border-top:1px solid var(--border-subtle);padding:20px}.footer-inner{text-align:center;font-size:13px;color:var(--text-tertiary)}.footer-inner a{color:var(--text-secondary);text-decoration:none}.footer-inner a:hover{color:var(--accent)}.drawer{position:fixed;top:0;right:0;height:100%;width:min(420px,92vw);z-index:40;background:var(--bg-surface);border-left:1px solid var(--border-default);box-shadow:-20px 0 60px #00000080;transform:translate(100%);transition:transform .22s ease;display:flex;flex-direction:column}.drawer.open{transform:translate(0)}#drawer-body{display:flex;flex-direction:column;height:100%;min-height:0}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-subtle)}.drawer-title{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-tertiary)}.drawer-controls{display:flex;align-items:center;gap:10px}.count{font-size:12px;color:var(--text-tertiary)}.filter-pill{padding:4px 9px;border:1px solid var(--border-default);border-radius:20px;background:transparent;color:var(--text-secondary);font:inherit;font-size:11.5px;cursor:pointer}.filter-pill:hover{background:var(--bg-hover)}.drawer-close{width:30px;height:30px;border:0;border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-secondary);font-size:20px;line-height:1;cursor:pointer}.drawer-close:hover{background:var(--bg-hover);color:var(--text-primary)}.drawer-list{flex:1;overflow-y:auto;padding:8px 12px;font-family:var(--font-mono);font-size:12px}.event{display:grid;grid-template-columns:auto auto 1fr;gap:8px;align-items:baseline;padding:3px 0}.event .ts{color:var(--text-muted);font-size:11px}.event .ev-dot{width:7px;height:7px;border-radius:50%;background:var(--text-muted);align-self:center}.event[data-kind=good] .ev-dot{background:var(--good)}.event[data-kind=warn] .ev-dot{background:var(--warn)}.event[data-kind=bad] .ev-dot{background:var(--bad)}.event[data-kind=info] .ev-dot{background:var(--info)}.event[data-kind=xfer] .ev-dot{background:var(--xfer)}.event .msg{color:var(--text-secondary);word-break:break-word}#modal-host{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:16px}.modal-backdrop{position:absolute;inset:0;background:#04080bb8;backdrop-filter:blur(3px)}.modal{position:relative;z-index:1;width:min(640px,100%);max-height:86vh;overflow-y:auto;border:1px solid var(--border-default);border-radius:var(--radius-lg);background:var(--bg-surface);box-shadow:0 30px 90px #0009}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border-subtle);position:sticky;top:0;background:var(--bg-surface)}.modal-title{margin:0;font-size:18px}.icon-btn{width:34px;height:34px;display:grid;place-items:center;border:0;border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:22px}.modal-body p{color:var(--text-secondary)}.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}.steps li{display:flex;gap:14px}.step-n{flex:none;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--accent-dim);color:var(--accent);font-weight:700;font-size:13px;border:1px solid rgba(45,212,191,.3)}.steps strong{color:var(--text-primary)}.steps div{color:var(--text-secondary);font-size:14px}.steps code{font-family:var(--font-mono);font-size:12px;background:var(--bg-elevated);padding:1px 5px;border-radius:4px;color:var(--accent)}.muted{color:var(--text-tertiary)}.small{font-size:12.5px}.tm{display:flex;flex-direction:column;gap:20px}.tm h3{margin:0 0 8px;font-size:14px;display:flex;align-items:center;gap:8px}.tm-good{color:var(--good)}.tm-bad{color:var(--bad)}.tm-trust{color:var(--info)}.tm ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:7px}.tm li{color:var(--text-secondary);font-size:13.5px}.tm strong{color:var(--text-primary)}.about-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px}.about-links a{color:var(--accent);text-decoration:none;font-size:14px}.about-links a:hover{text-decoration:underline}.glossary-link{color:var(--accent);border-bottom:1px dotted var(--accent);cursor:help;text-decoration:none}.glossary-tip{position:fixed;z-index:80;width:min(300px,82vw);padding:12px 14px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--bg-elevated);box-shadow:0 18px 50px #0009}.glossary-term{font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:5px}.glossary-def{font-size:13px;color:var(--text-secondary);line-height:1.5}#toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,20px);z-index:90;padding:11px 18px;border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border-strong);color:var(--text-primary);font-size:13.5px;box-shadow:0 12px 40px #00000080;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}#toast.show{opacity:1;transform:translate(-50%)}#toast[data-kind=ok]{border-color:var(--good)}#toast[data-kind=err]{border-color:var(--bad)}@media(max-width:640px){.nav-btn span{display:none}.nav-btn{padding:8px}.pair-grid{grid-template-columns:1fr}.pair-right{order:-1}.summary-row{grid-template-columns:1fr}.xfer-row{grid-template-columns:auto 1fr auto}.xfer-bar{display:none}.status-row .btn-danger{margin-left:0}}