/* UI UX Pro Max guidance: accessible contrast, visible focus, 44px touch targets.
   Action hover treatment adapted from Uiverse / Galaxy by 0xnihilism (MIT). */
:root{--bg:#f4f6f8;--surface:#fff;--ink:#152532;--muted:#62747b;--line:#e2e9eb;--green:#087d64;--mint:#e9f7f1;--navy:#122f35;--orange:#9d5b09;--radius:16px;--shadow:0 6px 26px #153e3b08;--font:Inter,"Segoe UI","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 var(--font)}button,input,select,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent }button{cursor:pointer;min-height:44px;border:1px solid var(--line);background:white;border-radius:9px;padding:9px 16px;color:var(--ink);transition:transform .16s,background .16s}button:hover{background:#f3f8f7}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #249d89;outline-offset:3px}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}.primary{background:var(--green);border-color:var(--green);color:#fff}.primary:hover{background:#076c57;transform:translateY(-1px);box-shadow:0 3px 0 #045243}.muted{color:var(--muted)}.small{font-size:13px}.layout{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;margin-bottom:34px}.brand-mark{background:var(--green);color:#fff;border-radius:12px;display:grid;place-items:center;width:40px;height:40px;font-size:25px}.brand strong{font-size:22px;letter-spacing:1px}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:2px}nav{display:grid;gap:9px}nav button{border:0;background:none;text-align:left;padding:12px 16px;display:flex;align-items:center;gap:13px;color:var(--muted);font-weight:600}nav button.active{background:var(--mint);color:var(--green)}nav svg{width:20px;height:20px}.side-bottom{margin-top:auto;padding:20px 12px 0;font-size:12px}.dot{display:inline-block;width:7px;height:7px;border-radius:100%;background:var(--green);margin-right:7px}.dot.off{background:var(--orange)}.main{padding:30px 36px;max-width:1500px;width:100%;margin:auto}h1,h2,h3,p{margin-top:0}h1{font-size:27px;letter-spacing:.2px;line-height:1.3;margin-bottom:5px}h2{font-size:19px;margin-bottom:8px}h3{font-size:16px;margin-bottom:6px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;gap:20px}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.pill{border-radius:999px;padding:5px 10px;font-size:12px;background:var(--mint);color:var(--green);white-space:nowrap}.pill.wait{background:#fff3df;color:var(--orange)}.pill.gray{background:#edf1f3;color:#5e6c76}.notice{border:1px solid #efdfbe;background:#fffbf3;padding:13px 18px;border-radius:12px;margin:18px 0;display:flex;gap:12px;color:#755017}.notice.good{background:var(--mint);border-color:#cdeadd;color:var(--green)}.hero{border-radius:var(--radius);padding:28px 32px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr 200px;overflow:hidden;min-height:205px;position:relative}.hero h2{font-size:26px;margin-bottom:12px}.hero p{color:#b9d3d4;max-width:520px;font-size:14px}.eyebrow{letter-spacing:2px;font-size:11px;font-weight:600;color:#6ec6b0;margin-bottom:12px}.hero button{background:#aee8d2;color:#123d33;border:0;font-weight:700}.hero-visual{display:grid;place-items:center}.hero-visual svg{width:125px;height:125px;transform:rotate(-8deg);filter:drop-shadow(12px 12px 0 #ffffff08)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.metric label{color:var(--muted);font-size:13px}.metric strong{display:block;font-size:30px;font-weight:600;letter-spacing:-1px;margin:6px 0}.metric small{color:var(--muted);font-size:12px}.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px}.section-head h2{margin:0}.empty{text-align:center;padding:35px 14px;color:var(--muted)}.empty svg{width:38px;height:38px;margin:0 auto 12px;color:#a5b9b9;display:block}.empty strong{display:block;color:var(--ink);margin:4px}.empty button{margin-top:15px}.row{display:flex;gap:13px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}.row .body{flex:1;min-width:0}.row p{margin:0}.symbol{width:43px;height:43px;display:grid;place-items:center;border-radius:12px;background:var(--mint);color:var(--green);flex-shrink:0}.symbol svg{width:22px;height:22px}.data-table{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;white-space:nowrap}th{color:var(--muted);font-weight:500;background:#f8fafb;padding:13px 14px}td{padding:14px;border-bottom:1px solid var(--line)}tr:last-child td{border:0}.mono{font:12px/1.6 Consolas,monospace}.merchant-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px}.merchant .section-head{margin-bottom:12px}.merchant .channel{padding:10px 0;display:flex;justify-content:space-between;gap:12px;align-items:center}.merchant .actions{padding-top:18px;border-top:1px solid var(--line);margin-top:14px}.merchant .actions button{font-size:13px;padding:8px 11px}.steps{display:grid;gap:16px}.steps .row{align-items:flex-start;padding:0 0 14px}.step-num{border-radius:50%;background:var(--mint);color:var(--green);width:27px;height:27px;display:grid;place-items:center;flex-shrink:0;font-size:12px;font-weight:bold}.steps p{font-size:13px;color:var(--muted)}.footer{margin-top:24px;color:var(--muted);font-size:12px;display:flex;justify-content:space-between}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at top left,#d5eee4,transparent 65%),var(--bg)}.login{width:min(440px,100%);padding:34px}.login .brand{margin-bottom:24px}.login h1{font-size:25px}.form{display:grid;gap:17px}.form label{display:grid;gap:6px;font-size:13px;font-weight:600}.form input,.form select,.form textarea{width:100%;padding:11px 12px;border-radius:8px;border:1px solid #cbd7db;background:#fff;color:var(--ink);min-height:45px}.form textarea{min-height:100px;font-family:Consolas,var(--font);font-size:13px}.form small{font-weight:400;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .wide{grid-column:1/-1}.error{color:#b13a38;background:#fff1ef;padding:10px 12px;border-radius:8px;font-size:13px}.error:empty{display:none}.form-buttons{display:flex;justify-content:flex-end;gap:10px;margin-top:5px}dialog{border:1px solid var(--line);border-radius:18px;width:min(650px,calc(100% - 30px));padding:25px;max-height:90vh;box-shadow:0 25px 80px #082e382a}dialog::backdrop{background:#132d4165;backdrop-filter:blur(3px)}dialog header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}dialog header h2{margin:0}.icon-button{font-size:23px;padding:1px 12px}.qr-preview{text-align:center;padding:10px}.qr-preview img{width:240px;max-width:90%;height:auto;border:1px solid var(--line);border-radius:12px}.qr-preview p{word-break:break-all;margin:12px 0}.callout{padding:15px;background:var(--bg);border-radius:10px;font-size:13px}.checkout-wrap{min-height:100vh;display:grid;place-items:center;padding:25px;background:var(--mint)}.checkout{width:min(470px,100%);padding:30px;text-align:center}.checkout .form{text-align:left}.checkout .merchant-name{font-size:22px;font-weight:600}.amount{font-size:40px;font-weight:650;letter-spacing:-1px;margin:12px 0 18px}.checkout .pay-image{width:270px;max-width:100%;height:auto;max-height:380px;object-fit:contain;margin:0 auto 12px}.checkout .notice{text-align:left}.checkout footer{margin-top:22px;color:var(--muted);font-size:12px}.choose-channel{display:flex;gap:12px}.choose-channel label{flex:1;display:flex;align-items:center;gap:9px;padding:14px;border:1px solid var(--line);border-radius:10px}.choose-channel input{width:auto;min-height:0}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 22px;border-radius:12px;box-shadow:var(--shadow);z-index:9;max-width:90%;display:none}.connection{font-size:12px}.qr-upload-preview{max-width:120px;max-height:120px;object-fit:contain}.state-line{padding:12px 0;font-size:13px;color:var(--muted)}.page-title{margin:0 0 22px}.agent-note{color:var(--muted);font-size:13px;margin-top:6px}.deploy-code{background:var(--navy);color:#b9e6d6;padding:16px;border-radius:10px;white-space:pre-wrap;font:13px/1.8 Consolas,monospace;overflow-wrap:anywhere}input[type=file]{font-size:13px}
.notice>svg{width:20px;height:20px;flex:0 0 20px;margin-top:3px}
@media(max-width:1050px){.layout{grid-template-columns:195px 1fr}.main{padding:25px}.metrics{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}.hero{grid-template-columns:1fr 120px}.hero-visual svg{width:100px;height:100px}}
@media(max-width:720px){.layout{display:block}.sidebar{position:static;height:auto;padding:14px 16px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0}.sidebar>.brand{margin-bottom:12px}.brand strong{font-size:19px}.brand small{font-size:9px}.sidebar nav{display:flex;gap:3px;overflow:auto}.sidebar nav button{white-space:nowrap;padding:9px 12px;min-height:44px;font-size:13px}.sidebar nav svg{display:none}.side-bottom{display:none}.main{padding:20px 16px}.topbar{align-items:flex-start;gap:12px}.topbar h1{font-size:23px}.topbar>.actions .pill{display:none}.hero{grid-template-columns:1fr;padding:23px}.hero-visual{display:none}.hero h2{font-size:23px}.metrics{gap:10px}.metric{padding:17px}.metric strong{font-size:26px}.merchant-grid{grid-template-columns:1fr}.card{padding:19px}.grid2{gap:16px}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.footer{display:block}.checkout-wrap{padding:16px}.checkout{padding:24px}.notice{font-size:13px}.login{padding:28px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.code-upload-preview{display:flex;align-items:center;gap:18px;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}.code-upload-preview[hidden]{display:none}.code-upload-preview img{width:160px;max-width:60%;height:160px;object-fit:contain;background:#fff;border-radius:8px}.code-upload-preview a{font-size:13px}
dialog.remote-auth{width:min(1000px,calc(100% - 30px))}.remote-browser{margin:12px 0;min-height:100px;background:var(--bg);border:1px solid var(--line);border-radius:10px;overflow:auto}.remote-browser img{display:block;width:100%;height:auto;cursor:pointer}.remote-browser img[hidden]{display:none}#auth-url{overflow-wrap:anywhere;margin-top:10px}
.payment-options{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:12px}.payment-options legend{font-size:13px;font-weight:600;margin-bottom:8px}.payment-options label{display:flex;flex:1;flex-direction:row;align-items:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:10px;min-height:48px;cursor:pointer}.payment-options input{width:18px;min-height:18px;accent-color:var(--green)}.payment-options label:has(input:checked){border-color:var(--green);background:var(--mint)}

.save-payment-code{display:block;min-height:48px;padding:12px 18px;border-radius:10px;margin:16px 0;font-weight:600}.save-payment-code:hover{text-decoration:none}.payment-guide{text-align:left;border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--bg);overflow-wrap:anywhere}.payment-guide p{margin:8px 0 0}

.danger{color:#a33131;border-color:#e7bcbc}.danger:hover{background:#fff1f1}.agent-metrics{grid-template-columns:repeat(3,1fr)}.agent-metrics .metric strong{font-size:23px}.merchant-code-card{width:min(100%,360px)!important;height:auto!important;border:0!important;border-radius:12px!important;padding:0!important}.qr-card-actions{justify-content:center}.qr-card-actions a{display:inline-block;margin:0;border:1px solid var(--line)}.qr-card-actions a[hidden]{display:none}@media(max-width:720px){.agent-metrics{grid-template-columns:1fr}.qr-preview p a{overflow-wrap:anywhere}}

.merchant-grid{align-items:start}.merchant-code-summary{margin:16px 0 6px}.merchant-channel-list.expanded{max-height:320px;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:5px}.merchant .channel-info{min-width:0;flex:1}.channel-info strong{display:block;overflow-wrap:anywhere}.channel-number{display:inline-block;margin-right:6px;font:11px/1.6 Consolas,monospace;color:var(--muted)}.merchant .channel .actions{flex-shrink:0;flex-wrap:nowrap;border-top:0;margin:0;padding:0;gap:6px}.merchant .channel{border-bottom:1px solid var(--line);min-height:72px}.merchant .channel:last-child{border-bottom:0}.merchant-channel-toggle{width:100%;margin-top:8px;color:var(--green);background:var(--mint);border-color:var(--line);display:flex;justify-content:center;align-items:center;gap:8px}.merchant-channel-list:focus-visible{outline:3px solid #249d89;outline-offset:3px}