/* E-Invoice Studio: the mock's design (docs/mock), served from this server only. Fonts are self-hosted
   (no Google Fonts, no CDN): see src/main/resources/fonts/SOURCES.md. */
@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/Inter-Regular.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/Inter-Medium.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/Inter-SemiBold.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/Inter-Bold.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/Inter-ExtraBold.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/JetBrainsMono-Regular.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/JetBrainsMono-Medium.woff2) format('woff2')}

:root{--cobalt:#1F3FBF;--cobalt-d:#16309A;--tint:#EEF3FF;--tint2:#F6F8FF;--ink:#0E1733;--muted:#5A6684;--line:#E2E8F5;--bg:#F4F6FB;--green:#11845B;--green-bg:#E7F6EF;--amber:#9A5A00;--amber-bg:#FFF3DD;--mono:'JetBrains Mono',ui-monospace,Menlo,monospace}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
button{font:inherit;cursor:pointer;color:inherit}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:12px}
.spacer{flex:1}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.nowrap{flex-wrap:nowrap}
.between{justify-content:space-between}
.center{justify-content:center}

/* top bar */
.top{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:0;z-index:20}
.brand{font-weight:800;color:var(--cobalt);font-size:19px;letter-spacing:-.02em;white-space:nowrap}
.kicker{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:14px;font-weight:600;white-space:nowrap}
.pill{font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--tint);color:var(--cobalt);white-space:nowrap}
.entity{display:flex;align-items:center;gap:10px;font-size:12.5px;border:1px solid var(--line);border-radius:10px;padding:6px 10px;white-space:nowrap}
.entity b{display:block;font-size:13px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--cobalt);color:#fff;display:grid;place-items:center;font-weight:700;font-size:12.5px;flex:none}

/* hero */
.hero{background:linear-gradient(120deg,#1A37AE 0%,#1F3FBF 45%,#3460E6 100%);color:#fff;padding:30px 24px 70px}
.hero-in{max-width:1320px;margin:0 auto;display:flex;justify-content:space-between;gap:24px;align-items:flex-end;flex-wrap:wrap}
.hero h1{margin:0;font-size:27px;font-weight:800;letter-spacing:-.025em}
.hero p{margin:6px 0 0;opacity:.85;max-width:640px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.chip{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:600;display:inline-flex;gap:6px;align-items:center}
.flow{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:12px 16px;font-size:12.5px;font-weight:600}
.flow span{opacity:.9}
.flow i{font-style:normal;opacity:.6}

.wrap{max-width:1320px;margin:-46px auto 0;padding:0 24px 30px}
.tabs{display:inline-flex;background:#fff;border-radius:12px;padding:5px;box-shadow:0 8px 28px rgba(20,40,120,.14);gap:4px}
.tab{border:0;background:transparent;padding:10px 18px;border-radius:9px;font-weight:600;color:var(--muted);display:flex;gap:8px;align-items:center}
.tab .tag{font-size:10.5px;font-weight:800;padding:2px 6px;border-radius:5px;background:var(--tint);color:var(--cobalt);letter-spacing:.03em}
.tab.on{background:var(--cobalt);color:#fff}
.tab.on .tag{background:rgba(255,255,255,.22);color:#fff}

.card{background:#fff;border:1px solid var(--line);border-radius:14px}
.panel{margin-top:16px}
h2{font-size:19px;margin:0 0 4px;font-weight:700;letter-spacing:-.015em}
h3{font-size:15px;margin:0;font-weight:700}
.sub{color:var(--muted);margin:0 0 18px;max-width:760px}
.sec-t{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;margin:0 0 10px}

/* AR */
.ar{display:grid;grid-template-columns:270px 1fr;gap:16px;align-items:start}
.steps{padding:16px}
.step{display:flex;gap:12px;padding:10px 10px;border-radius:10px;align-items:flex-start;color:var(--muted)}
.step .n{width:26px;height:26px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-weight:700;font-size:12px;flex:none;background:#fff}
.step b{display:block;font-size:13.5px}
.step span{font-size:12px}
.step.on{background:var(--tint);color:var(--ink)}
.step.on .n{border-color:var(--cobalt);color:var(--cobalt)}
.step.done{color:var(--ink)}
.step.done .n{background:var(--green);border-color:var(--green);color:#fff}
.privacy{margin-top:14px;padding:12px;border-radius:10px;background:var(--tint2);border:1px solid var(--line);font-size:12px;color:var(--muted)}
.privacy b{color:var(--ink);display:flex;gap:6px;align-items:center;margin-bottom:4px}
.main{padding:26px;min-height:560px}

.drop{border:2px dashed #C5D1F0;border-radius:14px;padding:38px 20px;text-align:center;background:var(--tint2);transition:.15s}
.drop.hover{border-color:var(--cobalt);background:var(--tint)}
.drop .big-ic{width:52px;height:52px;border-radius:14px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;margin:0 auto 12px;color:var(--cobalt)}
.drop p{margin:4px 0 16px;color:var(--muted)}
.drop.sm{padding:16px 12px}
.drop.sm p{margin:2px 0 10px;font-size:12px}

.btn{border:1px solid var(--line);background:#fff;padding:9px 14px;border-radius:9px;font-weight:600;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;text-decoration:none;color:var(--ink)}
.btn:hover{border-color:#BFCBEA;background:#FBFCFF}
.btn.pri{background:var(--cobalt);border-color:var(--cobalt);color:#fff}
.btn.pri:hover{background:var(--cobalt-d)}
.btn.warnb{border-color:#E9C98C;color:var(--amber);background:var(--amber-bg)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:8px}
.linkbtn{border:0;background:none;color:var(--cobalt);font-weight:600;padding:0}

table{width:100%;border-collapse:collapse}
.tbl th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:left;font-weight:700;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--tint2)}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono);font-size:12px}
.bt{font-family:var(--mono);font-size:11.5px;color:var(--cobalt);font-weight:500}

.sheet{overflow:auto;border:1px solid #D9DEE8;border-radius:8px}
.sheet table{font-size:12px;min-width:860px}
.sheet th{background:#F1F3F7;color:#6B7280;font-weight:500;font-family:var(--mono);font-size:11px;padding:5px 8px;border:1px solid #E1E5EC;text-align:center}
.sheet td{border:1px solid #E6E9EF;padding:6px 8px;white-space:nowrap}
.sheet tr.hdr td{background:#FAFBFD;font-weight:700}
.sheet td.rn{background:#F1F3F7;color:#6B7280;font-family:var(--mono);font-size:11px;text-align:center;width:34px}

.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:6px;white-space:nowrap}
.b-ok{background:var(--green-bg);color:var(--green)}
.b-warn{background:var(--amber-bg);color:var(--amber)}
.b-info{background:var(--tint);color:var(--cobalt)}
.b-na{background:#EEF0F5;color:var(--muted)}
.b-dark{background:var(--ink);color:#fff}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-r{display:grid;grid-template-columns:1.1fr 1fr;gap:16px;align-items:start}

.req{display:grid;grid-template-columns:96px 1fr 1.25fr;gap:12px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);transition:background .2s}
.req:last-child{border-bottom:0}
.req .val{font-size:13px}
.req .hint{font-size:12px;color:var(--muted);margin-top:2px}
.req.miss{background:var(--amber-bg)}
.req.filled{background:#F3FBF7}
input,select{font:inherit;border:1px solid #D6DDEE;border-radius:8px;padding:8px 10px;width:100%;background:#fff;color:var(--ink);min-width:0}
input:focus{outline:3px solid rgba(31,63,191,.15);border-color:var(--cobalt)}

.fmt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fmt{border:1.5px solid var(--line);border-radius:14px;padding:18px;cursor:pointer;position:relative;background:#fff;transition:.15s;display:flex;flex-direction:column}
.fmt:hover{border-color:#B8C6EC}
.fmt.on{border-color:var(--cobalt);box-shadow:0 0 0 4px rgba(31,63,191,.1)}
.fmt .ic{width:40px;height:40px;border-radius:10px;background:var(--tint);display:grid;place-items:center;color:var(--cobalt)}
.fmt h3{margin:12px 0 2px;font-size:16px}
.fmt .ver{font-size:12px;color:var(--muted);font-weight:600}
.fmt p{margin:10px 0 0;color:var(--muted);font-size:12.5px}
.fmt ul{margin:10px 0 0;padding-left:16px;color:var(--muted);font-size:12.5px}
.fmt li{margin:2px 0}
.fmt .radio{position:absolute;top:18px;right:18px;width:18px;height:18px;border-radius:50%;border:2px solid #C3CEEA;transition:.15s}
.fmt.on .radio{border:5px solid var(--cobalt)}
.seg{display:inline-flex;background:var(--tint2);border:1px solid var(--line);border-radius:8px;padding:3px;margin-top:14px;align-self:flex-start}
.seg button{border:0;background:transparent;padding:5px 10px;border-radius:6px;font-size:12px;font-weight:600;color:var(--muted)}
.seg button.on{background:#fff;color:var(--cobalt);box-shadow:0 1px 3px rgba(14,23,51,.1)}
.note{margin-top:16px;padding:12px 14px;border-radius:10px;background:var(--tint2);border:1px solid var(--line);font-size:12.5px;color:var(--muted)}

.prog{max-width:560px;margin:50px auto;text-align:left}
.prog h2{text-align:center;margin-bottom:22px}
.pl{display:flex;gap:12px;align-items:center;padding:11px 14px;border-radius:10px;color:var(--muted);opacity:.35;transition:.3s}
.pl .d{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;flex:none}
.pl.run{opacity:1;color:var(--ink);background:var(--tint2)}
.pl.run .d{border-color:var(--cobalt);border-top-color:transparent;animation:spin .8s linear infinite}
.pl.ok{opacity:1;color:var(--ink)}
.pl.ok .d{background:var(--green);border-color:var(--green);color:#fff}
@keyframes spin{to{transform:rotate(360deg)}}

.rh{display:flex;gap:16px;align-items:center;padding:18px 20px;border-radius:14px;background:var(--green-bg);border:1px solid #BEE5D2}
.rh.warn{background:var(--amber-bg);border-color:#F0D6A2}
.rh .bigic{width:46px;height:46px;border-radius:12px;background:var(--green);color:#fff;display:grid;place-items:center;flex:none}
.rh.warn .bigic{background:var(--amber)}
.rh h3{font-size:16px}
.rh .muted{font-size:12.5px}

.file{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.fileic{width:40px;height:48px;border-radius:7px;background:var(--tint);color:var(--cobalt);display:grid;place-items:center;font-size:9.5px;font-weight:800;font-family:var(--mono);flex:none;border:1px solid #D7E0FA}
.fileic.pdf{background:var(--ink);color:#fff;border-color:var(--ink)}
.file b{font-size:13.5px;display:block;word-break:break-all}

.code{background:#0E1733;color:#E3E9FF;font-family:var(--mono);font-size:12px;line-height:1.6;border-radius:12px;padding:16px 18px;overflow:auto;max-height:520px;white-space:pre;margin:0}
.code .t{color:#8FB1FF}
.code .a{color:#F3C982}
.code .v{color:#9BE3C1}

.checks .ck{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.checks .ck:last-child{border-bottom:0}
.ck .dot{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;flex:none;margin-top:1px}
.dot.pass{background:var(--green-bg);color:var(--green)}
.dot.fail{background:var(--amber-bg);color:var(--amber)}
.dot.na{background:#EEF0F5;color:var(--muted)}
.ck .l{font-weight:600;font-size:13px}
.ck .rid{font-family:var(--mono);font-size:10.5px;color:var(--muted);margin-left:6px;font-weight:500}
.ck .det{font-size:12px;color:var(--muted);margin-top:2px}

.ai{margin-top:14px;padding:14px;border-radius:12px;background:linear-gradient(135deg,#F2F5FF,#E9EFFF);border:1px solid #D3DDFB}
.ai b{display:flex;gap:7px;align-items:center;color:var(--cobalt);font-size:12.5px;margin-bottom:6px}
.ai p{margin:6px 0 0;font-size:12.5px}

.ap{display:grid;grid-template-columns:300px minmax(0,1fr) 340px;gap:16px;align-items:start}
.inbox{padding:14px}
.mail{padding:12px;border-radius:10px;cursor:pointer;border:1px solid transparent;margin-bottom:4px;transition:.12s}
.mail:hover{background:var(--tint2)}
.mail.on{background:var(--tint);border-color:#CFDAF7}
.mail .from{font-weight:700;font-size:13px;display:flex;justify-content:space-between;gap:8px}
.mail .meta{font-size:11.5px;color:var(--muted);margin-top:4px;display:flex;justify-content:space-between;gap:8px;align-items:center}
.sdot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px;vertical-align:1px}
.sdot.ok{background:var(--green)}.sdot.warn{background:#D98E04}
.doc{padding:20px 22px;min-width:0}
.amount{font-size:24px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.side{padding:18px}
.subtabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:16px 0}
.subtabs button{border:0;background:none;padding:10px 14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;display:flex;gap:7px;align-items:center}
.subtabs button.on{color:var(--cobalt);border-color:var(--cobalt)}
.detect{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;margin-top:8px}

/* paper invoice */
.paper{background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 12px 34px rgba(20,40,120,.09);padding:34px 36px;font-size:12.5px;max-width:760px;margin:0 auto;color:#1B2440}
.pp-top{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid var(--ink);padding-bottom:14px}
.pp-seller{font-weight:800;font-size:16px}
.pp-title{text-align:right;font-weight:800;font-size:22px;letter-spacing:.06em}
.pp-title small{display:block;font-size:11px;letter-spacing:.02em;color:var(--muted);font-weight:600}
.pp-mid{display:flex;justify-content:space-between;gap:20px;margin:22px 0}
.pp-tiny{font-size:10px;color:var(--muted);text-decoration:underline;margin-bottom:6px}
.pp-meta{display:grid;grid-template-columns:auto auto;gap:3px 16px;font-size:12px;align-self:start}
.pp-meta span{color:var(--muted)}
.pp-meta b{text-align:right;white-space:nowrap}
.paper table th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:1px solid #CBD3E6;padding:7px 6px}
.paper table td{padding:8px 6px;border-bottom:1px solid #EEF1F7}
.pp-tot{margin-left:auto;width:290px;margin-top:12px}
.pp-tot div{display:flex;justify-content:space-between;padding:4px 0;font-variant-numeric:tabular-nums}
.pp-tot .g{border-top:2px solid var(--ink);margin-top:4px;padding-top:8px;font-weight:800;font-size:14px}
.pp-flag{background:var(--amber-bg);color:var(--amber);border-radius:6px;padding:6px 8px;font-size:11.5px;margin-top:6px}
.pp-pay{margin-top:22px;padding-top:12px;border-top:1px solid #E3E8F2;display:grid;grid-template-columns:1fr 1fr;gap:16px;font-size:11.5px}
.pp-pay span{color:var(--muted);display:block;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}
.pdfbar{display:flex;align-items:center;gap:10px;background:#2B3350;color:#DCE3F8;border-radius:8px 8px 0 0;padding:8px 12px;font-size:12px;max-width:760px;margin:0 auto}
.pdfbar+.paper{border-radius:0 0 6px 6px}

.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:12px;padding:6px 24px 26px;max-width:1320px;margin:0 auto}
.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,16px);background:var(--ink);color:#fff;padding:11px 16px;border-radius:10px;font-size:13px;opacity:0;transition:.25s;z-index:60;max-width:92vw;pointer-events:none;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* login */
.login{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#3460E6 0%,#1F3FBF 40%,#132A86 100%);padding:16px}
.login .box{background:#fff;border-radius:18px;padding:34px;width:400px;max-width:100%;box-shadow:0 30px 80px rgba(5,15,60,.45)}
.login .brand{font-size:22px}
.login label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:14px 0 6px}
.login .btn{width:100%;justify-content:center;margin-top:20px;padding:11px}
.login .fine{font-size:11.5px;color:var(--muted);margin-top:16px;display:flex;gap:6px;align-items:flex-start}

@media (max-width:1180px){.ap{grid-template-columns:260px minmax(0,1fr)}.ap .side{grid-column:1/-1}}
@media (max-width:900px){.ar,.ap,.grid2,.grid-r,.fmt-grid{grid-template-columns:1fr}.kicker,.entity,.pill{display:none}.req{grid-template-columns:1fr}.main{padding:18px}.hero h1{font-size:22px}.pp-pay{grid-template-columns:1fr}.paper{padding:20px}}

/* ---- additions for the real app (no inline style attributes: CSP style-src 'self') ---- */
.login-sub{font-weight:600;margin-top:2px}
.login-error{margin-top:12px;padding:9px 11px;border-radius:8px;background:var(--amber-bg);color:var(--amber);font-size:12.5px}
.signout{font-size:12.5px;white-space:nowrap}
.avatar{cursor:default}
.mt0{margin-top:0}.mt6{margin-top:6px}.mt10{margin-top:10px}.mt12{margin-top:12px}.mt14{margin-top:14px}.mt16{margin-top:16px}.mt18{margin-top:18px}.mt20{margin-top:20px}.mt22{margin-top:22px}
.mb0{margin-bottom:0}.mb10{margin-bottom:10px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}
.m0{margin:0}
.flex1{flex:1;min-width:0}
.gap6{gap:6px}
.ais{align-items:flex-start}
.tright{text-align:right}
.minw0{min-width:0}
.fw600{font-weight:600}
.steps .sec-t{padding:4px 10px 6px}
.inbox-head{padding:2px 4px 10px}
.inbox-list{margin-top:12px}
.file.inline{margin:0}
.preview-json{max-height:330px}
.card.scroll{overflow:auto}
.card.clip{overflow:hidden}
.card.pad{padding:14px 16px}
.rh.compact{padding:14px}
.rh.compact .bigic{width:38px;height:38px}
.note.tight{margin:0 0 10px}
.note-block{margin-bottom:12px}
.mail .via{margin-top:6px}
.mail.err .meta{color:var(--amber)}
.badge.b-flag{background:var(--amber-bg);color:var(--amber)}
.badge.b-mute{background:#EEF0F5;color:var(--muted)}
.badge.b-dark2{background:#3B4466;color:#fff}
.tbl td.msg{font-size:12px;color:var(--amber)}
.tbl td.reason{font-size:12px;color:var(--muted)}
.tbl tr.unused td{color:var(--muted)}
.choices{margin:0 0 18px;padding:14px 16px;border-radius:12px;background:var(--amber-bg);border:1px solid #F0D6A2}
.choices h3{font-size:14px;margin-bottom:6px;color:var(--amber)}
.choices .choice{display:grid;grid-template-columns:1fr 220px;gap:12px;align-items:center;margin-top:8px;font-size:13px}
.issues{margin:14px 0 0;padding:0;list-style:none}
.issues li{padding:8px 10px;border-radius:8px;font-size:12.5px;margin-top:6px}
.issues li.blocking{background:var(--amber-bg);color:var(--amber)}
.issues li.warning{background:var(--tint2);color:var(--muted);border:1px solid var(--line)}
.notes{margin:0 0 14px;padding-left:18px;color:var(--muted);font-size:12.5px}
.ck-group{margin-top:12px}
.ck-group:first-child{margin-top:4px}
.ck-group > .sec-t{margin:8px 0 2px}
.dot.warn{background:#FFF1D6;color:#B07000}
.ck .src{font-size:10.5px;color:var(--muted);margin-left:6px;font-weight:600;white-space:nowrap}
.ck .src.own{color:var(--amber)}
.ck .rid{white-space:nowrap}
.ck .det{white-space:pre-wrap;word-break:break-word}
.compat{margin-top:10px;font-size:12px}
.compat div{display:flex;gap:8px;align-items:center;padding:4px 0}
.req .input-row input{flex:1}
.req.reco{background:var(--tint2)}
.req .err{font-size:12px;color:var(--amber);margin-top:4px}
.pp-note{margin-bottom:12px}
.pp-tot .sub{color:var(--muted);font-size:11.5px}
.pp-sample{display:inline-block;margin-top:6px;font-size:10.5px;font-weight:700;color:var(--amber);background:var(--amber-bg);border-radius:4px;padding:2px 6px}
.code .s{color:#9BE3C1}
.code .k{color:#8FB1FF}
.empty{padding:30px 10px;text-align:center}
.spin{display:inline-block;width:14px;height:14px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--cobalt);animation:spin .8s linear infinite;vertical-align:-2px}
.busy{opacity:.6;pointer-events:none}
input.bad{border-color:#E0A84A;background:#FFFBF2}
input.good{border-color:#7CC8A6}

/* Wide content scrolls inside its own box; the page is never wider than the viewport. Grid tracks and
   flex items keep min-width:auto by default, so a 25-column sheet or a long XML line would widen the
   whole page: every track is minmax(0, …) and the structural children may shrink. */
.ar{grid-template-columns:270px minmax(0,1fr)}
.grid2{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.grid-r{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.fmt-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.ar > *,.ap > *,.grid2 > *,.grid-r > *,.fmt-grid > *,.main,.doc,.side,.steps{min-width:0}
pre.code,.sheet,.card.scroll{max-width:100%;overflow:auto}
.paper{max-width:min(760px,100%);overflow-x:auto}
.paper table{min-width:520px}
.tbl{min-width:640px}
.badge.eng{white-space:normal;text-align:right}
.detect{overflow-wrap:anywhere}  /* a CustomizationID is one long word */
@media (max-width:600px){.pp-top,.pp-mid{flex-wrap:wrap}.pp-title{text-align:left}.ck .src{white-space:normal}}
@media (max-width:1180px){.ap{grid-template-columns:260px minmax(0,1fr)}}
@media (max-width:900px){.ar,.ap,.grid2,.grid-r,.fmt-grid{grid-template-columns:minmax(0,1fr)}.choices .choice{grid-template-columns:minmax(0,1fr)}}

/* The user menu (avatar): Reset demo data, Sign out. */
.usermenu{position:relative}
.avatar{border:0;cursor:pointer}
.menu{position:absolute;right:0;top:44px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(20,40,120,.16);padding:6px;min-width:250px;z-index:40}
.menu .who{padding:8px 10px 6px;font-size:12px;color:var(--muted)}
.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 10px;border-radius:8px;font-weight:600;font-size:13px}
.menu button:hover{background:var(--tint2)}
.menu button.danger{color:var(--amber)}
.menu .hint{font-size:11.5px;color:var(--muted);padding:0 10px 8px;font-weight:400}