:root{
  color-scheme:light;
  --ink:#0f1b2d; --ink2:#334155; --mute:#64748b; --line:#e2e8f0; --line2:#cbd5e1;
  --bg:#f1f4f9; --card:#ffffff; --input:#ffffff; --hover:#f4f7fb; --soft:#f9fbfd; --thead:#fafbfd; --chip:#eef2f7;
  --stage:#e9edf3; --nav:#14213d; --nav2:#1d2d52;
  --brand:#1f6fb2; --brand2:#18598f; --brandText:#18598f; --brandSoft:#e8f1fa; --ok:#0f8a5f; --okSoft:#e3f5ee;
  --warn:#9a6312; --warnSoft:#fdf3e1; --warnLine:#f3dcb0; --bad:#c2410c; --badSoft:#fdebe3; --badLine:#f3c7b4; --void:#94a3b8;
  --infoLine:#c9def3; --infoText:#1b4f80;
  --r:12px; --shadow:0 1px 2px rgba(15,27,45,.06),0 4px 16px rgba(15,27,45,.05);
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ink:#e6edf7; --ink2:#c3cfdf; --mute:#8d9cb3; --line:#22314a; --line2:#304263;
  --bg:#0b1220; --card:#111b2d; --input:#0d1627; --hover:#17243b; --soft:#0f1829; --thead:#14203a; --chip:#1b2a44;
  --stage:#070d18; --nav:#0a1020; --nav2:#152038;
  --brand:#3d8fd6; --brand2:#2f7bc0; --brandText:#8cc3f5; --brandSoft:#13304d; --ok:#3fcf95; --okSoft:#0f3326;
  --warn:#f0b357; --warnSoft:#3a2c12; --warnLine:#5b4520; --bad:#ff8a65; --badSoft:#3d1d12; --badLine:#6a3322; --void:#6b7a93;
  --infoLine:#24486e; --infoText:#a9cdf2;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 4px 16px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.hidden{display:none!important}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:30;height:56px;background:var(--nav);color:#fff;display:flex;align-items:center;gap:14px;padding:0 18px}
.topbar .logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;font-size:16px;white-space:nowrap}
.topbar .logo i{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#3aa0e6,#1f6fb2);display:grid;place-items:center;font-style:normal;font-size:14px}
.topbar .spacer{flex:1}
.bizswitch{background:var(--nav2);border:1px solid rgba(255,255,255,.12);color:#fff;border-radius:8px;padding:6px 10px;max-width:240px}
.bizswitch option{color:#111}
.userchip{display:flex;align-items:center;gap:8px;font-size:13px;opacity:.95}
.userchip img,.userchip .av{width:30px;height:30px;border-radius:50%;background:#2c4a7f;display:grid;place-items:center;font-weight:700}
.modepill{font-size:11px;background:#f59e0b;color:#1b1300;padding:2px 8px;border-radius:999px;font-weight:700}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}

/* ---------- layout ---------- */
.shell{display:flex;min-height:calc(100vh - 56px)}
.sidebar{width:220px;flex:0 0 220px;background:var(--card);border-right:1px solid var(--line);padding:14px 10px;position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto}
.sidebar .grp{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);font-weight:700;margin:14px 10px 6px}
.sidebar a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:var(--ink2);text-decoration:none;font-weight:500}
.sidebar a:hover{background:var(--hover)}
.sidebar a.active{background:var(--brandSoft);color:var(--brandText);font-weight:700}
.sidebar a .ic{width:18px;text-align:center;opacity:.8}
.main{flex:1;min-width:0;padding:22px 24px 60px}
.pagehead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.pagehead h1{margin:0;font-size:22px;letter-spacing:-.01em}
.pagehead p{margin:2px 0 0;color:var(--mute)}

/* ---------- cards & forms ---------- */
.card{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}
.card + .card{margin-top:16px}
div[style*="display:grid"] > .card + .card,.kpis > .card + .card{margin-top:0}
.sec{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin:6px 0 12px}
.sec + .hint{margin-top:-8px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink2);margin-bottom:5px}
.field label small{color:var(--mute);font-weight:500}
.in,select.in,textarea.in{width:100%;border:1px solid var(--line2);background:var(--input);border-radius:8px;padding:9px 11px;outline:none;transition:border .15s,box-shadow .15s}
.in:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,178,.15)}
textarea.in{resize:vertical;min-height:62px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.hint{font-size:12px;color:var(--mute);margin:4px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line2);background:var(--card);color:var(--ink);border-radius:8px;padding:9px 14px;font-weight:600;cursor:pointer;white-space:nowrap;text-decoration:none;transition:background .15s,border .15s}
.btn:hover{background:var(--hover);border-color:var(--line2)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand2)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.danger{color:var(--bad);border-color:var(--badLine)}
.btn.big{padding:13px 18px;font-size:15px}
.btn.ghost{border-color:transparent;background:transparent}
.btn.sm{padding:6px 10px;font-size:12.5px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;margin:6px 0;cursor:pointer}
.chk input{width:16px;height:16px;accent-color:var(--brand)}
details.adv summary{cursor:pointer;font-weight:700;font-size:13px;color:var(--ink2);padding:8px 0}

/* ---------- editor ---------- */
.editor{display:grid;grid-template-columns:minmax(330px,430px) 1fr;gap:20px;align-items:start}
.preview-wrap{position:sticky;top:76px}
.preview-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow)}
.preview-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.preview-bar .t{font-weight:700;color:var(--ink2)}
.preview-stage{background:var(--stage);border-radius:8px;padding:18px;overflow:hidden}
.scaler{transform-origin:top left}
.scaler .doc{box-shadow:0 2px 14px rgba(15,27,45,.16)}
.item{border:1px solid var(--line);background:var(--soft);border-radius:10px;padding:12px;margin-bottom:10px;position:relative}
.item .rm{position:absolute;right:8px;top:6px;border:0;background:none;color:var(--bad);cursor:pointer;font-weight:600;font-size:12.5px}
.item .mv{position:absolute;right:70px;top:6px;display:flex;gap:2px}
.item .mv button{border:0;background:none;cursor:pointer;color:var(--mute);font-size:13px;padding:0 4px}
.amtline{display:flex;justify-content:space-between;font-size:12.5px;color:var(--mute);margin-top:2px}

/* ---------- tables ---------- */
.tbl-wrap{overflow:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-size:12px;color:var(--mute);font-weight:700;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--thead)}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr.click{cursor:pointer}
.tbl tr.click:hover td{background:var(--hover)}
.tbl .r{text-align:right;white-space:nowrap}
.tbl tr.isvoid td{color:var(--void);text-decoration:line-through}
.tbl tr.isvoid td.act{text-decoration:none}
.pill{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--chip);color:var(--ink2);white-space:nowrap}
.pill.paid{background:var(--okSoft);color:var(--ok)} .pill.partial{background:var(--warnSoft);color:var(--warn)}
.pill.sent{background:var(--brandSoft);color:var(--brandText)} .pill.overdue{background:var(--badSoft);color:var(--bad)}
.pill.void{background:var(--chip);color:var(--void)} .pill.draft{background:var(--chip);color:var(--mute)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar .in{width:auto}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow:auto}
.tabs button{border:0;background:none;padding:10px 14px;font-weight:600;color:var(--mute);border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap}
.tabs button.on{color:var(--brandText);border-bottom-color:var(--brand)}
.empty{padding:34px;text-align:center;color:var(--mute)}

/* ---------- dashboard ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow)}
.kpi .k{font-size:12px;color:var(--mute);font-weight:600}
.kpi .v{font-size:22px;font-weight:800;margin-top:4px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12px;color:var(--mute);margin-top:2px}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.quick a{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.quick a:hover{border-color:var(--brand)}
.quick .qi{width:40px;height:40px;border-radius:10px;background:var(--brandSoft);display:grid;place-items:center;font-size:18px}
.quick b{display:block}
.quick span{font-size:12.5px;color:var(--mute)}
.bars{display:flex;align-items:flex-end;gap:10px;height:150px;padding-top:10px}
.bars .b{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bars .b i{display:block;width:100%;max-width:38px;background:var(--brand);border-radius:6px 6px 2px 2px;min-height:2px}
.bars .b span{font-size:11px;color:var(--mute)}

/* ---------- templates gallery ---------- */
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.tcard{border:2px solid var(--line);border-radius:12px;padding:10px;background:var(--card);cursor:pointer;transition:border .15s,transform .15s}
.tcard:hover{transform:translateY(-2px)}
.tcard.on{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,111,178,.12)}
.tcard .thumb{height:230px;overflow:hidden;background:var(--stage);border-radius:8px}
.tcard .thumb .preview-stage{width:100%;padding:8px;background:transparent;border-radius:0}
.tcard b{display:block;margin-top:8px}
.tcard span{font-size:12px;color:var(--mute)}

/* ---------- design studio ---------- */
.studio{display:grid;grid-template-columns:minmax(330px,400px) 1fr;gap:20px;align-items:start}
.swatches{display:flex;flex-wrap:wrap;gap:8px}
.swatch{border:1px solid var(--line2);border-radius:8px;padding:5px 8px 5px 5px;display:flex;align-items:center;gap:6px;background:var(--card);cursor:pointer;font-size:12.5px;font-weight:600;color:var(--ink)}
.swatch i{width:20px;height:20px;border-radius:5px;display:block;background:linear-gradient(135deg,var(--a) 50%,var(--b) 50%)}
.colorrow{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}
.colorrow label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.5px;font-weight:600;color:var(--ink2);border:1px solid var(--line);border-radius:8px;padding:5px 6px 5px 10px}
.colorrow input[type=color]{width:34px;height:26px;border:0;padding:0;background:none;cursor:pointer}
.range{display:flex;align-items:center;gap:10px}
.range input{flex:1;accent-color:var(--brand)}
.range output{width:46px;text-align:right;font-size:12.5px;color:var(--mute);font-variant-numeric:tabular-nums}
.seg{display:inline-flex;border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.seg button{border:0;background:var(--card);padding:6px 11px;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink2)}
.seg button + button{border-left:1px solid var(--line2)}
.seg button.on{background:var(--brand);color:#fff}
.place{display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center;font-size:13px}
.imgdrop{display:flex;align-items:center;gap:12px;border:1px dashed var(--line2);border-radius:10px;padding:10px;background:var(--soft)}
.imgdrop img{max-height:46px;max-width:150px;object-fit:contain}
.imgdrop .ph{width:60px;height:40px;border-radius:6px;background:var(--chip);display:grid;place-items:center;color:var(--mute);font-size:11px}

/* ---------- auth / onboarding ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:var(--card)}
.auth .art{background:radial-gradient(1200px 500px at 10% 10%,#2a64a8 0,#14213d 55%,#0d1629 100%);color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth .art h1{font-size:40px;line-height:1.08;letter-spacing:-.02em;margin:0 0 14px;max-width:520px}
.auth .art p{color:#c8d6ea;max-width:470px;font-size:15.5px}
.auth .art ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px;color:#dbe6f5}
.auth .art li::before{content:"✓";display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.14);margin-right:10px;font-size:11px}
.auth .floaty{position:absolute;right:-60px;bottom:-40px;width:360px;transform:rotate(-8deg);opacity:.95;pointer-events:none}
.auth .art > div{position:relative;z-index:1}
.auth .art > .floaty{position:absolute;z-index:0}
@media (max-width:1400px){.auth .floaty{width:300px;right:-110px;bottom:-90px;opacity:.55}}
.auth .panel{display:flex;align-items:center;justify-content:center;padding:40px}
.auth .box{width:100%;max-width:380px}
.auth .box h2{margin:0 0 6px;font-size:24px}
.gbtn{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--line2);background:var(--card);color:var(--ink);border-radius:10px;padding:12px;font-weight:700;cursor:pointer;font-size:15px}
.gbtn:hover{background:var(--hover)}
.gbtn:disabled{opacity:.55;cursor:not-allowed}
.gbtn svg{width:20px;height:20px}
.or{display:flex;align-items:center;gap:10px;color:var(--mute);font-size:12px;margin:18px 0}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.notice{background:var(--warnSoft);border:1px solid var(--warnLine);color:var(--warn);border-radius:10px;padding:10px 12px;font-size:12.5px;margin:14px 0}
.notice.info{background:var(--brandSoft);border-color:var(--infoLine);color:var(--infoText)}
.wizard{max-width:980px;margin:30px auto;padding:0 18px}
.steps{display:flex;gap:8px;margin:0 0 18px;flex-wrap:wrap}
.steps div{flex:1;min-width:120px;padding:10px 12px;border-radius:10px;background:var(--card);border:1px solid var(--line);font-size:12.5px;color:var(--mute);font-weight:600}
.steps div.on{border-color:var(--brand);color:var(--brandText);background:var(--brandSoft)}
.steps div.done{color:var(--ok)}

/* ---------- modal & toast ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,27,45,.45);z-index:60;display:flex;align-items:center;justify-content:center;padding:18px}
.modal{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:14px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal h3{margin:0 0 12px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#0f1b2d;color:#fff;max-width:calc(100vw - 32px);padding:10px 16px;border-radius:10px;z-index:80;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:tin .2s}
.toast.err{background:#c2410c}
@keyframes tin{from{opacity:0;transform:translate(-50%,8px)}}
.share{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.loading{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:100;color:var(--mute);font-weight:600}
.spin{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:sp 0.8s linear infinite;margin:0 auto 10px}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- v2 components ---------- */
.brandmark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#3aa0e6,#1f6fb2);display:inline-grid;place-items:center;font-style:normal;font-size:14px;color:#fff}
.auth .logo .brandmark{width:32px;height:32px;border-radius:9px}
.topbar .logo{color:#fff;text-decoration:none}
.iconbtn{width:34px;height:34px;border-radius:9px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;font-weight:800;text-decoration:none;font-size:15px;flex:0 0 auto}
.iconbtn:hover{background:rgba(255,255,255,.1)}
.auth .iconbtn,.helppub .iconbtn{color:var(--ink);border-color:var(--line2)}
.auth .iconbtn:hover,.helppub .iconbtn:hover{background:var(--hover)}
.userchip{color:#fff;text-decoration:none;border-radius:999px;padding:2px 10px 2px 2px}
.userchip:hover{background:rgba(255,255,255,.08)}
.topout{background:transparent!important;color:#fff!important;border-color:rgba(255,255,255,.25)!important}
.modepill.admin{background:#7c5cff;color:#fff;text-decoration:none}
.authtop{position:absolute;top:18px;right:18px}
.auth .panel{position:relative}
.authtabs{display:flex;background:var(--chip);border-radius:10px;padding:4px;margin:4px 0 16px}
.authtabs button{flex:1;border:0;background:transparent;padding:8px;border-radius:7px;font-weight:700;color:var(--mute);cursor:pointer}
.authtabs button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.authicon{width:52px;height:52px;border-radius:14px;background:var(--brandSoft);color:var(--brandText);display:grid;place-items:center;font-size:24px;margin:0 auto 12px}
.auth .box .authicon{margin:0 0 12px}
.muted{color:var(--mute)}
.pwrap{position:relative}
.pwrap .in{padding-right:64px}
.pwshow{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:var(--brandText);font-weight:700;font-size:12px;cursor:pointer;padding:6px}
.banner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-radius:10px;padding:10px 14px;margin:0 0 16px;font-size:13.5px;border:1px solid}
.banner.info{background:var(--brandSoft);border-color:var(--infoLine);color:var(--infoText)}
.banner.warn{background:var(--warnSoft);border-color:var(--warnLine);color:var(--warn)}
.banner.bad{background:var(--badSoft);border-color:var(--badLine);color:var(--bad)}
.banner.ok{background:var(--okSoft);border-color:var(--ok);color:var(--ok)}
.spin.sm{width:14px;height:14px;border-width:2px;display:inline-block;margin:0 6px -2px 0}
table.kv{border-collapse:collapse;width:100%;font-size:13.5px}
table.kv td{padding:7px 0;border-bottom:1px solid var(--line)}
table.kv td:first-child{color:var(--mute);width:40%}
.pricecard{border-color:var(--brand)}
.price{font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1;margin:4px 0 14px}
.price span{font-size:16px;font-weight:700;color:var(--mute);margin-right:6px;vertical-align:top;position:relative;top:8px}
.price small{font-size:14px;font-weight:600;color:var(--mute);margin-left:6px;letter-spacing:0}
ul.ticks{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:7px}
ul.ticks li::before{content:"✓";color:var(--ok);font-weight:800;margin-right:9px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;word-break:break-all}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;background:var(--chip);padding:1px 5px;border-radius:4px}
.bizswitch{color-scheme:dark}

/* ---------- help ---------- */
.helpwrap{display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:start}
.helptoc{position:sticky;top:76px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.helptoc a{display:flex;gap:9px;align-items:center;padding:7px 8px;border-radius:7px;text-decoration:none;color:var(--ink2);font-size:13px;font-weight:500}
.helptoc a:hover{background:var(--hover)}
.helptoc a b{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:var(--brandSoft);color:var(--brandText);display:grid;place-items:center;font-size:11px}
.hstep{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:18px;display:grid;grid-template-columns:minmax(260px,.9fr) 1.3fr;scroll-margin-top:80px}
.hstep .htext{padding:22px}
.hstep .hnum{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:10px}
.hstep h2{margin:0 0 8px;font-size:19px;letter-spacing:-.01em}
.hstep ol{margin:10px 0 0;padding-left:20px;display:grid;gap:6px;color:var(--ink2)}
.hstep .tip{margin-top:12px;font-size:12.5px;background:var(--brandSoft);color:var(--infoText);border-radius:8px;padding:8px 10px}
.hstep figure{margin:0;background:var(--stage);display:flex;align-items:flex-start;justify-content:center;padding:14px;border-left:1px solid var(--line)}
.hstep figure img{width:100%;height:auto;border-radius:8px;box-shadow:0 4px 18px rgba(0,0,0,.18);cursor:zoom-in;display:block}
.hhero{background:radial-gradient(900px 300px at 0% 0%,#2a64a8 0,#14213d 60%);color:#fff;border-radius:16px;padding:28px;margin-bottom:20px}
.hhero h1{margin:0 0 6px;font-size:28px;letter-spacing:-.02em}
.hhero p{margin:0;color:#c8d6ea;max-width:680px}
.hflow{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hflow span{background:rgba(255,255,255,.12);border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:600}
.hflow i{font-style:normal;opacity:.6}
.helppub{min-height:100vh;background:var(--bg)}
.helppub .hbar{display:flex;align-items:center;gap:12px;padding:14px 22px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.helppub .hbody{max-width:1200px;margin:0 auto;padding:22px}
.zoom{position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:90;display:grid;place-items:center;padding:20px;cursor:zoom-out}
.zoom img{max-width:100%;max-height:100%;border-radius:8px}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .editor,.studio{grid-template-columns:1fr}
  .preview-wrap{position:static}
  .kpis{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .menu-btn{display:block}
  .sidebar{position:fixed;left:0;top:56px;z-index:40;transform:translateX(-100%);transition:transform .2s;box-shadow:0 10px 30px rgba(0,0,0,.2)}
  body.navopen .sidebar{transform:none}
  .main{padding:16px}
  .auth{grid-template-columns:1fr}
  .auth .art{padding:32px 22px}
  .auth .art h1{font-size:30px}
  .auth .floaty{display:none}
  .quick{grid-template-columns:1fr}
  .share{grid-template-columns:1fr}
  .userchip span{display:none}
  #signout{display:none}
  .helpwrap{grid-template-columns:1fr}
  .helptoc{display:none}
  .hstep{grid-template-columns:1fr}
  .hstep figure{border-left:0;border-top:1px solid var(--line)}
  .authtop{top:10px;right:10px}
  .sidebar .so{display:flex!important}
  .topbar .logo span{display:none}
}
@media (max-width:520px){
  .row,.row3{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .bizswitch{max-width:130px}
  .topbar{gap:8px;padding:0 10px}
  .modepill.admin{display:none}
}