/* ScanDrop Ultra 2.4.0 — light + dark themes, mobile-first */
:root{
 --font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif;
 --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
 --r-xl:24px;--r-lg:18px;--r-md:14px;--r-sm:10px;
 /* dark (default) */
 --bg:#0a0f14;
 --glow-a:rgba(61,220,151,.10);--glow-b:rgba(76,182,255,.09);
 --surface:#111820;--surface-2:#161f29;--surface-3:#1d2833;
 --border:#243241;--border-2:#334659;
 --text:#eaf0f5;--text-2:#c4ced8;--muted:#9aa8b7;
 --brand:#3ddc97;--brand-2:#1fbf82;--brand-ink:#03140c;--brand-text:#5fe6aa;--brand-soft:rgba(61,220,151,.12);--brand-line:rgba(61,220,151,.30);
 --accent:#4cb6ff;--accent-ink:#04121c;
 --danger:#ff6b7a;--danger-text:#ff95a0;--danger-soft:rgba(255,107,122,.12);--danger-line:rgba(255,107,122,.35);
 --warn:#f5c451;--warn-text:#f7d57f;--warn-soft:rgba(245,196,81,.11);--warn-line:rgba(245,196,81,.35);
 --shadow:0 1px 2px rgba(0,0,0,.35),0 16px 40px rgba(0,0,0,.28);
 --shadow-lg:0 30px 80px rgba(0,0,0,.45);
 --ring:0 0 0 3px rgba(76,182,255,.55);
 --scrim:rgba(4,8,12,.6);
 color-scheme:dark;
}
@media (prefers-color-scheme:light){
 :root:not([data-theme="dark"]){
  --bg:#f3f6f8;--glow-a:rgba(31,185,122,.10);--glow-b:rgba(46,144,250,.08);
  --surface:#ffffff;--surface-2:#f6f8fa;--surface-3:#eaeef3;
  --border:#e1e7ed;--border-2:#c9d3dd;
  --text:#0d1520;--text-2:#2c3947;--muted:#566474;
  --brand-text:#0a7a4f;--brand-soft:rgba(16,163,105,.10);--brand-line:rgba(16,163,105,.30);
  --accent:#1467ad;
  --danger:#d93649;--danger-text:#b3202f;--danger-soft:rgba(217,54,73,.08);--danger-line:rgba(217,54,73,.30);
  --warn:#c98a00;--warn-text:#7a5200;--warn-soft:rgba(201,138,0,.10);--warn-line:rgba(201,138,0,.35);
  --shadow:0 1px 2px rgba(16,24,40,.06),0 12px 32px rgba(16,24,40,.08);
  --shadow-lg:0 30px 80px rgba(16,24,40,.22);
  --ring:0 0 0 3px rgba(20,103,173,.45);
  --scrim:rgba(15,23,32,.38);
  color-scheme:light;
 }
}
:root[data-theme="light"]{
 --bg:#f3f6f8;--glow-a:rgba(31,185,122,.10);--glow-b:rgba(46,144,250,.08);
 --surface:#ffffff;--surface-2:#f6f8fa;--surface-3:#eaeef3;
 --border:#e1e7ed;--border-2:#c9d3dd;
 --text:#0d1520;--text-2:#2c3947;--muted:#566474;
 --brand-text:#0a7a4f;--brand-soft:rgba(16,163,105,.10);--brand-line:rgba(16,163,105,.30);
 --accent:#1467ad;
 --danger:#d93649;--danger-text:#b3202f;--danger-soft:rgba(217,54,73,.08);--danger-line:rgba(217,54,73,.30);
 --warn:#c98a00;--warn-text:#7a5200;--warn-soft:rgba(201,138,0,.10);--warn-line:rgba(201,138,0,.35);
 --shadow:0 1px 2px rgba(16,24,40,.06),0 12px 32px rgba(16,24,40,.08);
 --shadow-lg:0 30px 80px rgba(16,24,40,.22);
 --ring:0 0 0 3px rgba(20,103,173,.45);
 --scrim:rgba(15,23,32,.38);
 color-scheme:light;
}

/* base */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;min-height:100vh;color:var(--text);font:16px/1.5 var(--font);-webkit-font-smoothing:antialiased;
 background:radial-gradient(1000px 620px at -10% -15%,var(--glow-a),transparent 60%),radial-gradient(900px 600px at 110% -10%,var(--glow-b),transparent 55%),var(--bg);background-attachment:fixed}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent)}
h1,h2,h3{margin:0;line-height:1.2}
.hidden{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus{outline:none}
:focus-visible{box-shadow:var(--ring)}
.ico{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* shell */
.app{max-width:1120px;margin:0 auto;padding:max(14px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 40px max(16px,env(safe-area-inset-left))}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0 18px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand b{display:block;font-size:17px;letter-spacing:-.01em}
.brand small{display:block;font-size:13px;color:var(--muted)}
.logo{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:none;font-weight:800;font-size:15px;letter-spacing:-.02em;color:var(--brand-ink);
 background:linear-gradient(140deg,#9df3cb,var(--brand) 55%,var(--accent));box-shadow:0 8px 22px rgba(31,191,130,.28)}
.logo.lg{width:60px;height:60px;border-radius:18px;font-size:20px;margin:0 auto 14px}
.topActions{display:flex;gap:8px}
.iconBtn{width:44px;height:44px;display:grid;place-items:center;flex:none;border-radius:13px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);transition:border-color .15s,color .15s,background .15s}
.iconBtn:hover{border-color:var(--border-2);color:var(--text)}

/* intro */
.intro{padding:6px 2px 22px}
.intro h1{font-size:clamp(27px,4.4vw,42px);letter-spacing:-.03em;font-weight:760;max-width:18ch}
.intro p{margin:10px 0 0;color:var(--text-2);font-size:16.5px;max-width:58ch}
.badges{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:16px 0 0}
.badges li{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:13.5px;font-weight:550;color:var(--text-2)}
.badges .ico{width:16px;height:16px;color:var(--brand-text)}

/* layout */
.grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}
.grid>*{min-width:0}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--shadow);padding:22px}
.side{display:grid;gap:16px;position:sticky;top:16px}
.col{display:grid;gap:14px;align-content:start;min-width:0}
.flow{max-width:640px;margin:0 auto}
/* a device that opened a QR link shows only its own session */
#mainGrid.joined .intro,#mainGrid.joined .modeSwitch,#mainGrid.joined .side{display:none}
#mainGrid.joined .grid{grid-template-columns:minmax(0,640px);justify-content:center}

/* send / receive switch */
.modeSwitch{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:5px;border-radius:18px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}
.mode{display:flex;align-items:center;justify-content:center;gap:9px;min-height:50px;border:0;border-radius:13px;background:transparent;color:var(--muted);font-weight:700;font-size:16.5px;transition:background .15s,color .15s,box-shadow .15s}
.mode:hover{color:var(--text)}
.mode[aria-pressed="true"]{background:var(--brand-soft);color:var(--brand-text);box-shadow:inset 0 0 0 1px var(--brand-line)}
.mode:focus-visible{box-shadow:var(--ring)}

/* "connected to …" banner on a device that scanned a «Merr» QR */
.joinBanner{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);background:var(--brand-soft);border:1px solid var(--brand-line)}
.joinBanner b{display:block;font-size:15.5px;overflow-wrap:anywhere}
.joinBanner div span{display:block;font-size:13.5px;color:var(--text-2)}
.joinIcon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:none;background:var(--surface);color:var(--brand-text)}
.joinBanner[data-state="wait"] .joinIcon{animation:sdPulse 1.4s ease-in-out infinite}
.joinBanner[data-state="err"]{background:var(--danger-soft);border-color:var(--danger-line)}
.joinBanner[data-state="err"] .joinIcon{color:var(--danger-text)}
@keyframes sdPulse{50%{opacity:.45}}

/* stepper */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:4px;counter-reset:step}
.quick .codeStep{display:none;counter-increment:none} /* one scan: no code to compare (Chrome still counts hidden items) */
.steps li{position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center;font-size:13px;font-weight:600;color:var(--muted);counter-increment:step}
.steps li::before{content:counter(step);position:relative;z-index:1;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
 background:var(--surface);border:2px solid var(--border-2);color:var(--muted);font-size:13.5px;font-weight:700;transition:all .2s}
.steps li::after{content:"";position:absolute;top:15px;left:calc(50% + 20px);right:calc(-50% + 20px);height:2px;border-radius:2px;background:var(--border-2)}
.steps li:last-child::after{display:none}
.steps li.done{color:var(--text-2)}
.steps li.done::before{content:"✓";background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.steps li.done::after{background:var(--brand)}
.steps li[aria-current="step"]{color:var(--text)}
.steps li[aria-current="step"]::before{border-color:var(--brand);color:var(--brand-text);box-shadow:0 0 0 5px var(--brand-soft)}
.stepHint{margin:14px 0 18px;text-align:center;color:var(--text-2);font-size:15.5px}
.pickSummary{margin:-8px 0 16px;text-align:center;font-size:14px;color:var(--muted)}
#main:not([data-step="2"]):not([data-step="3"]):not([data-step="4"]) .pickSummary{display:none}
#main[data-step="2"] .pick,#main[data-step="3"] .pick,#main[data-step="4"] .pick{display:none}
#main:not([data-step="4"]):not([data-step="5"]) .progressCard,
#receiver:not([data-step="4"]):not([data-step="5"]) .progressCard{display:none}
#main[data-step="3"] #pauseBtn{display:none}
#main[data-step="4"] #verifyBox,#main[data-step="5"] #verifyBox{display:none}
/* when a transfer is done, its result comes first and the picker for the next one follows */
#main{display:flex;flex-direction:column;gap:14px}
#main>*{flex:none;margin-top:0;margin-bottom:0}
#main>.pickSummary{margin-top:-8px}
#main>.receipt{align-self:flex-start}
#main #controls .ctlRow{margin-top:0}
#main[data-step="5"] .pick{order:10;margin-top:4px}
#receiver .steps{margin:4px 0 18px}

/* tabs */
.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;margin-bottom:14px;border-radius:15px;background:var(--surface-2);border:1px solid var(--border)}
.tab{display:flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:0;border-radius:11px;background:transparent;color:var(--muted);font-weight:650;font-size:14.5px;transition:background .15s,color .15s}
.tab .ico{width:18px;height:18px}
.tab:hover{color:var(--text)}
.tab.active{background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.18)}

/* drop zone */
.drop{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:30px 18px;border:2px dashed var(--border-2);border-radius:var(--r-lg);background:var(--surface-2);cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop:focus-within{border-color:var(--brand)}
.drop:focus-within{box-shadow:var(--ring)}
.drop.drag{border-color:var(--brand);background:var(--brand-soft)}
.drop b{font-size:17.5px;margin-top:6px}
.drop>span{font-size:14.5px;color:var(--muted);max-width:40ch}
.dropIcon{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-text)}
.dropIcon .ico{width:28px;height:28px}
.drop .pseudoBtn{margin-top:10px;display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:12px;background:var(--surface);border:1px solid var(--border-2);font-weight:650;font-size:15px;color:var(--text)}

/* file lists */
.listHead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:16px 0 8px;font-size:14.5px;font-weight:600;color:var(--text-2)}
.linkBtn{border:0;background:none;color:var(--accent);font-weight:650;font-size:14.5px;padding:8px 10px;margin:-8px -10px;border-radius:10px}
.linkBtn:hover{background:var(--surface-2)}
.list{display:grid;gap:8px}
.list:empty{display:none}
#downloads{margin-top:12px}
.file{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface-2)}
.thumb{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;overflow:hidden;background:var(--surface-3);color:var(--muted)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb.ok{background:var(--brand-soft);color:var(--brand-text)}
.file b{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;font-size:15px;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.file span{display:block;margin-top:2px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.file .rm{width:40px;height:40px;display:grid;place-items:center;border:0;border-radius:11px;background:transparent;color:var(--muted)}
.file .rm:hover{background:var(--danger-soft);color:var(--danger-text)}
.more{padding:6px 4px;font-size:14px;color:var(--muted)}

/* device row */
.device{display:flex;align-items:center;gap:12px;margin-top:14px;padding:12px 14px;border-radius:var(--r-md);background:var(--surface-2);border:1px solid var(--border)}
.deviceIcon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:none;background:var(--brand-soft);color:var(--brand-text)}
.device b{display:block;font-size:15px}
.device div span{display:block;font-size:13px;color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:48px;padding:12px 18px;border-radius:14px;border:1px solid var(--border-2);background:var(--surface-2);color:var(--text);
 min-width:0;font-weight:650;font-size:15.5px;line-height:1.2;text-align:center;text-decoration:none;transition:transform .12s,background .15s,border-color .15s,box-shadow .15s,opacity .15s}
.btn:hover{border-color:var(--muted)}
.btn:active{transform:translateY(1px)}
.btn.primary{border:0;color:var(--brand-ink);background:linear-gradient(135deg,#8ef0c0,var(--brand) 48%,var(--brand-2));box-shadow:0 10px 24px rgba(31,191,130,.26)}
.btn.primary:hover{filter:brightness(1.04)}
.btn.blue{border:0;color:var(--accent-ink);background:linear-gradient(135deg,#9bd8ff,#4cb6ff)}
.btn.red{background:var(--danger-soft);border-color:var(--danger-line);color:var(--danger-text)}
.btn.ghost{background:transparent}
.btn.lg{min-height:54px;font-size:16.5px;margin-top:16px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn:focus-visible,.iconBtn:focus-visible,.tab:focus-visible,.linkBtn:focus-visible,.rm:focus-visible{box-shadow:var(--ring)}
label.btn{cursor:pointer}
label.btn:focus-within{box-shadow:var(--ring)}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.ctlRow{display:flex;gap:10px;margin-top:14px}
.ctlRow>.btn{flex:1}
#reconnectBtn{margin-top:10px}
.smallbtn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 14px;border-radius:11px;border:1px solid var(--border-2);background:var(--surface);color:var(--text);font-weight:650;font-size:14.5px;text-decoration:none;white-space:nowrap}
.smallbtn .ico{width:18px;height:18px}
.smallbtn:hover{border-color:var(--muted)}

/* QR */
.qrPanel{display:grid;justify-items:center;gap:12px}
.qrLead{margin:0 0 2px;text-align:center;color:var(--text-2);font-size:15.5px}
.qr{width:min(100%,380px);aspect-ratio:1;padding:14px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}
.qr canvas{display:block;width:100%;height:100%;image-rendering:pixelated}
.qrMeta{display:flex;align-items:center;justify-content:space-between;gap:8px;width:min(100%,380px);font-size:14px;color:var(--muted)}
.timer{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}
.timer .ico{width:17px;height:17px;color:var(--brand-text)}
.countdown{width:min(100%,380px);height:5px;border-radius:5px;background:var(--surface-3);overflow:hidden}
.countdown i{display:block;height:100%;width:calc(var(--left,1)*100%);border-radius:5px;background:linear-gradient(90deg,var(--brand-2),var(--brand));transition:width .5s linear}
.qrActions{display:flex;gap:10px;width:min(100%,380px)}
.qrActions .btn{flex:1}
#pairArea:not(.quickQR) .onceNote,#pairArea.quickQR .rotateNote,#pairArea.quickQR #rotateBtn{display:none}
#hostArea{margin:2px 0 4px}
#receiver.unavailable .steps,#receiver.unavailable .progressCard,#receiver.unavailable #recvStatus{display:none}

/* verification */
.verify{padding:22px 18px;border-radius:var(--r-lg);background:var(--brand-soft);border:1px solid var(--brand-line);text-align:center}
.verify .label{margin:0 0 4px;font-size:14.5px;color:var(--text-2)}
.code{font-family:var(--mono);font-size:clamp(36px,10vw,48px);font-weight:760;letter-spacing:.08em;font-variant-numeric:tabular-nums;color:var(--text);margin:2px 0 8px}
.words{font-size:16px;font-weight:750;letter-spacing:.07em;color:var(--brand-text)}
.fp{margin-top:10px;font-family:var(--mono);font-size:12.5px;color:var(--muted);word-break:break-all}
.verify .row{margin-top:18px}

/* status */
.status{display:flex;align-items:flex-start;gap:11px;margin-top:14px;padding:12px 14px;border-radius:var(--r-md);background:var(--surface-2);border:1px solid var(--border);font-size:14.5px;line-height:1.45;color:var(--text-2)}
.status[data-state="err"]{background:var(--danger-soft);border-color:var(--danger-line);color:var(--text)}
.status.warn{background:var(--warn-soft);border-color:var(--warn-line);color:var(--text)}
.dot{width:10px;height:10px;margin-top:5px;flex:none;border-radius:50%;background:var(--danger)}
.dot.on{background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.status.warn .dot{background:var(--warn);box-shadow:none}

/* progress */
.progressCard{margin-top:14px;padding:16px;border-radius:var(--r-lg);background:var(--surface-2);border:1px solid var(--border)}
.pctRow{display:flex;align-items:baseline;gap:8px}
.bigPct{font-size:40px;font-weight:780;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.pctLabel{font-size:14.5px;color:var(--muted)}
.progress{height:10px;margin:12px 0 14px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.bar{height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--brand-2),var(--brand),var(--accent));transition:width .2s}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.metric{padding:10px 8px;border-radius:12px;background:var(--surface);border:1px solid var(--border);text-align:center;min-width:0}
.metric b{display:block;font-size:clamp(14.5px,4vw,16.5px);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.25;overflow-wrap:anywhere}
.metric span{display:block;margin-top:2px;font-size:12.5px;color:var(--muted)}
.receipt{display:inline-flex;align-items:center;gap:8px;margin-top:12px;padding:10px 14px;border-radius:12px;border:1px solid var(--border-2);background:var(--surface-2);color:var(--text);font-weight:650;font-size:14.5px;text-decoration:none}
.receipt:hover{border-color:var(--muted)}

/* receiver */
.cardHead{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}
.cardHead h2{font-size:21px;letter-spacing:-.01em}
.cardHead p{margin:5px 0 0;color:var(--text-2);font-size:15px}
.badge{flex:none;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:750;letter-spacing:.06em;color:var(--brand-text);background:var(--brand-soft);max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.subHead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.subHead b{display:block;font-size:17px}
.subHead span{display:block;font-size:13.5px;color:var(--muted)}
/* Accept / Reject stay reachable while scrolling a long list of incoming files */
#incoming .row{position:sticky;bottom:0;z-index:2;margin:14px -8px 0;padding:12px 8px max(12px,env(safe-area-inset-bottom));background:linear-gradient(to top,var(--surface) 72%,transparent)}
.relay{text-align:center;max-width:520px}
.relay h2{font-size:22px}
.relay p{color:var(--text-2);margin:8px auto 0;max-width:44ch}
.relay .qrPanel{margin-top:18px}
.relayIcon{width:64px;height:64px;margin:4px auto 14px;border-radius:20px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-text)}
.relayIcon .ico{width:30px;height:30px}

/* side panels */
.panel{padding:18px}
.panelTitle{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700}
.panelTitle .ico{color:var(--brand-text)}
.panelHead{display:flex;align-items:center;justify-content:space-between;gap:8px}
details.panel>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;border-radius:10px}
details.panel>summary::-webkit-details-marker{display:none}
details.panel .chev{color:var(--muted);transition:transform .2s}
details.panel[open] .chev{transform:rotate(180deg)}
.audit{display:grid;margin-top:12px}
.audit div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px}
.audit div:last-child{border-bottom:0}
.audit span:first-child{color:var(--muted)}
.audit span:last-child{text-align:right;font-weight:600;word-break:break-word;color:var(--text)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chips:empty{display:none}
.feature{padding:5px 11px;border-radius:999px;border:1px solid var(--border);background:var(--surface-2);font-size:13px;color:var(--text-2)}
.feature.warn{border-color:var(--warn-line);background:var(--warn-soft);color:var(--warn-text)}
.history{display:grid;gap:8px;max-height:340px;overflow:auto;margin-top:12px}
.hitem{padding:10px 12px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);font-size:14px}
.hitem b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hitem span{display:block;margin-top:2px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}

/* forms */
.field{display:grid;gap:6px;margin-top:12px}
.field label{font-size:13.5px;font-weight:650;color:var(--text-2)}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:11px 13px;border-radius:12px;border:1px solid var(--border-2);background:var(--surface);color:var(--text);font-size:16px}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:var(--ring)}
.switches{display:grid;gap:8px;margin-top:12px}
.check{display:flex;align-items:center;gap:12px;margin-top:10px;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);font-size:14.5px;color:var(--text-2);cursor:pointer}
.switches .check{margin-top:0}
.check input{width:20px;height:20px;flex:none;margin:0;accent-color:var(--brand-2)}
.check:focus-within{box-shadow:var(--ring)}

/* modals, lock, toast */
.modal,.lock{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;background:var(--scrim);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.lock{z-index:110}
.modalbox{width:min(100%,560px);max-height:min(88vh,920px);overflow:auto;overscroll-behavior:contain;padding:22px;border-radius:24px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-lg)}
.modalbox.small{width:min(100%,440px)}
.modalbox p{color:var(--text-2)}
.lockbox{text-align:center;width:min(100%,400px)}
.lockbox h2{font-size:21px}
.modalHead{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.modalHead h2{font-size:21px}
.modalSub{margin:4px 0 0;font-size:14px}
.group{margin-top:22px}
.group h3{font-size:12.5px;font-weight:750;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.toast{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));z-index:200;max-width:min(92vw,480px);padding:12px 18px;border-radius:14px;background:var(--text);color:var(--bg);
 font-size:14.5px;font-weight:650;box-shadow:0 14px 34px rgba(0,0,0,.3);opacity:0;pointer-events:none;transform:translate(-50%,16px);transition:opacity .2s,transform .2s}
.toast.show{opacity:1;transform:translate(-50%,0)}

.footer{padding:30px 12px 0;text-align:center;font-size:13px;line-height:1.6;color:var(--muted)}

/* responsive */
@media (max-width:960px){.grid{grid-template-columns:minmax(0,1fr)}.side{position:static}}
@media (max-width:560px){
 .card{padding:18px 16px;border-radius:22px}
 .verify{padding:18px 14px}
 .btn{padding:12px}
 .intro{padding-bottom:16px}
 .intro p{font-size:15.5px}
 .steps li{font-size:12px}
 .modal{place-items:end center;padding:0}
 .modalbox{width:100%;max-height:92vh;border-radius:24px 24px 0 0;padding-bottom:max(22px,env(safe-area-inset-bottom))}
 .lock{place-items:center;padding:16px}
 .lockbox{border-radius:24px}
}
@media (max-width:380px){.row{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}