:root{
    --paper:#fff;
    --ink:#000;

    --hair:rgba(0,0,0,.08);
    --hair2:rgba(0,0,0,.14);

    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;

    --border:2px solid var(--ink);
    --border-1:1px solid var(--ink);

    --pad:18px;
    --gap:16px;
    --max:1360px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--mono);
    letter-spacing:.1px;
    overflow-x:hidden;
}

::selection{background:#000; color:#fff}
a{color:inherit; text-decoration:none}
a:focus-visible, button:focus-visible{
    outline:2px solid #000;
    outline-offset:2px;
}

/* Signature background */
.pipes{
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    overflow:hidden;
}
.pipes svg{width:100%; height:100%; display:block}

/* subtle grid */
body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:1;
    pointer-events:none;
    background:
            linear-gradient(to right, rgba(0,0,0,.04) 1px, transparent 1px),
            linear-gradient(to bottom, rgba(0,0,0,.03) 1px, transparent 1px);
    background-size: 82px 82px;
    opacity:.14;
    mix-blend-mode:multiply;
}

/* top nav */
.top-nav{
    position:fixed;
    left:0; top:0;
    width:100%;
    z-index:70;
    background:rgba(255,255,255,.90);
    border-bottom:1px solid var(--hair2);
    backdrop-filter: blur(3px);
}
.top-nav .row{
    max-width:var(--max);
    margin:0 auto;
    padding:10px var(--pad);
    display:flex;
    gap:10px;
    align-items:center;
}
.spacer{flex:1}

/* buttons */
.btn, .nav-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:10px 14px;
    border:var(--border);
    background:rgba(255,255,255,.75);
    cursor:pointer;
    text-transform:uppercase;
    letter-spacing:.7px;
    font-size:12px;
    line-height:1;
    transition: transform .12s ease, background .12s ease;
    user-select:none;
}
.btn:hover{background:#fff; transform: translateY(-1px)}
.btn:active{transform: translateY(0)}
.btn.ghost{background:transparent}
.btn.wide{width:100%}
button.btn{font-family:var(--mono); color:inherit}

/* pills */
.pill{
    display:inline-flex;
    align-items:center;
    padding:6px 10px;
    border:var(--border-1);
    border-radius:999px;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:1px;
    background:rgba(255,255,255,.65);
}
.pill.dim{
    border-color:rgba(0,0,0,.35);
    color:rgba(0,0,0,.65);
}

/* layout */
.page{
    position:relative;
    z-index:10;
    padding: calc(56px + var(--pad)) var(--pad) var(--pad);
}
.wrap{
    max-width:var(--max);
    margin:0 auto;
    display:grid;
    grid-template-columns: 1.55fr 1fr;
    gap: var(--gap);
}
@media (max-width: 1100px){
    .wrap{grid-template-columns:1fr}
}

/* panels */
.panel{
    border:var(--border);
    background:rgba(255,255,255,.92);
}
.panel-title{
    display:flex;
    gap:10px;
    align-items:center;
    padding:12px 14px;
    border-bottom:1px solid var(--hair2);
    text-transform:uppercase;
    letter-spacing:1px;
    font-size:12px;
}
.panel-title .title{font-weight:800}
.panel-body{padding:14px}

.hr{height:0; border-top:1px solid var(--hair2); margin:14px 0}
.hr.faint{border-top:1px solid var(--hair)}

.muted{color:rgba(0,0,0,.68)}
.dim{color:rgba(0,0,0,.58)}
.strong{font-weight:800}
.micro{font-size:11px; letter-spacing:.2px; margin-top:10px}

.kicker{
    text-transform:uppercase;
    letter-spacing:1px;
    font-size:11px;
    color:rgba(0,0,0,.68);
}
.headline{
    margin:10px 0 6px;
    font-size:26px;
    line-height:1.15;
}
.subhead{
    margin:0;
    font-size:13px;
    line-height:1.65;
    color:rgba(0,0,0,.78);
    max-width:95ch;
}
p{margin:0 0 10px; font-size:12.8px; line-height:1.78}

.mono-quote{
    border-left:2px solid rgba(0,0,0,.45);
    padding:10px 12px;
    background:rgba(0,0,0,.03);
    line-height:1.85;
}
.mono-quote.small{font-size:12px}

/* callouts */
.grid-2{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}
@media (max-width: 900px){
    .grid-2{grid-template-columns:1fr}
}
.callout{
    border:2px solid #000;
    background:rgba(255,255,255,.86);
    padding:12px;
    position:relative;
    overflow:hidden;
}
.callout-title{
    font-weight:800;
    letter-spacing:1px;
    text-transform:uppercase;
    font-size:12px;
    margin-bottom:8px;
}

/* channels */
.channel{
    margin-top: var(--gap);
}
.addr{
    border:2px solid rgba(0,0,0,.75);
    background:rgba(255,255,255,.90);
    padding:12px;
    display:grid;
    grid-template-columns: 1fr auto auto;
    gap:10px;
    align-items:center;
    margin:12px 0;
}
@media (max-width: 620px){
    .addr{grid-template-columns:1fr}
}
.addr-label{
    font-weight:800;
    letter-spacing:1px;
    text-transform:uppercase;
    font-size:11px;
}
.addr-value{
    font-size:13px;
    letter-spacing:.6px;
    text-transform:none;
}

/* QR */
.qr-mini{
    display:grid;
    grid-template-columns: 180px 1fr;
    gap: 14px;
    align-items:center;
    margin-top:12px;
}
@media (max-width: 620px){
    .qr-mini{grid-template-columns:1fr}
}
.qr-mini-frame{
    border:2px solid rgba(0,0,0,.75);
    background:rgba(255,255,255,.92);
    padding:10px;
    position:relative;
    overflow:hidden;
}
.qr-mini-frame img{
    width:100%;
    display:block;
    image-rendering: auto;
}
.scanline{
    position:absolute;
    left:0;
    top:-30%;
    width:100%;
    height:38%;
    background:rgba(0,0,0,.10);
    transform: translateY(0);
    pointer-events:none;
    opacity:.0;
}
.qr-mini-actions .micro{margin-top:10px}

/* scale (no minimum/target) */
.scale{
    border:2px solid rgba(0,0,0,.75);
    background:rgba(0,0,0,.02);
    height:56px;
    overflow:hidden;
    position:relative;
    margin:10px 0 12px;
}
.scale-track{
    position:absolute;
    inset:0;
    background:
            repeating-linear-gradient(to right,
            rgba(0,0,0,.18) 0px,
            rgba(0,0,0,.18) 1px,
            transparent 1px,
            transparent 18px);
    opacity:.9;
}

/* right console */
.console{
    position:sticky;
    top: calc(56px + var(--pad));
    height: fit-content;
}
@media (max-width:1100px){
    .console{position:relative; top:auto}
}
.statusGrid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:10px;
}
.kv{
    border:1px solid rgba(0,0,0,.22);
    background:rgba(255,255,255,.78);
    padding:10px;
}
.kv .k{
    font-weight:800;
    letter-spacing:1px;
    text-transform:uppercase;
    font-size:11px;
}
.kv .v{
    margin-top:6px;
    font-size:11.5px;
    letter-spacing:.8px;
    text-transform:uppercase;
    color:rgba(0,0,0,.72);
}

.log{
    border:1px solid rgba(0,0,0,.18);
    background:rgba(255,255,255,.78);
    padding:10px;
    min-height: 180px;
    overflow:hidden;
}
.logline{
    font-size:11.5px;
    line-height:1.7;
    letter-spacing:.4px;
}
.btnrow{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}

/* closing + actions */
.actions{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-top:14px;
}

/* overlay */
.overlay{
    position:fixed;
    inset:0;
    z-index:100;
    background:rgba(255,255,255,.92);
    display:none;
    align-items:center;
    justify-content:center;
    padding:18px;
}
.overlay.show{display:flex}
.overlay-inner{
    width:min(920px, 100%);
    max-height: min(88vh, 920px);
    overflow:auto;
}
.qrframe{
    border:2px solid rgba(0,0,0,.75);
    background:rgba(255,255,255,.92);
    padding:14px;
    position:relative;
    overflow:hidden;
}
.qrframe img{
    width:100%;
    display:block;
}
.qr-caption{
    margin-top:10px;
    display:flex;
    gap:8px;
    flex-wrap:wrap;
}

/* footer */
.foot.panel{height: fit-content}
.foot .panel-body{display:grid; gap:10px}

/* toast */
.toast{
    position:fixed;
    left:50%;
    bottom:18px;
    transform:translateX(-50%);
    z-index:110;
    border:2px solid #000;
    background:rgba(255,255,255,.92);
    padding:10px 12px;
    font-size:11px;
    letter-spacing:1px;
    text-transform:uppercase;
    opacity:0;
    pointer-events:none;
    transition: opacity .15s ease, transform .15s ease;
    max-width:min(980px, calc(100vw - 28px));
}
.toast.show{
    opacity:1;
    transform:translateX(-50%) translateY(-2px);
}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
    .btn{transition:none !important}
}