/* Lango — admin & client UI. Palette: black, white, signal orange, amber. */
:root{
  --ink:#000; --ink-2:#333; --ink-3:#6b6b6b; --line:#e4e4e1; --line-2:#efefec;
  --bg:#f4f4f2; --panel:#fff; --black:#000;
  --accent:#ff6a00; --accent-hover:#ff7f1f; --amber:#ffc400; --accent-soft:#fff1e3; --amber-soft:#fff7d6;
  --ok:#137a3e; --ok-soft:#e3f5ea; --warn:#8a5a00; --warn-soft:#fff3cc; --bad:#c22a1c; --bad-soft:#fde8e5; --info-soft:#f0f0ee;
  --r:14px; --r-sm:8px;
  --display:'Helvetica Neue',Helvetica,Arial,'Segoe UI',system-ui,sans-serif;
  --body:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --signal:linear-gradient(135deg,#ff6a00 0%,#ff9500 45%,#ffc400 100%);
  /* legacy aliases used by inline styles */
  --brand:#000; --brand-2:#000; --gold:#ff6a00; --gold-soft:#fff1e3;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.5 var(--body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0;font-weight:700}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{background:var(--black);color:#cfcfcf;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.logo{display:flex;gap:11px;align-items:center;padding:22px 20px 20px;color:#fff;font-family:var(--display);font-weight:800;font-size:16px;letter-spacing:-.2px;line-height:1.2}
.logo svg{flex:none}
.wordmark{font-size:22px;letter-spacing:-.06em;text-transform:lowercase;line-height:1}
.logo small{display:block;font-family:var(--body);font-weight:500;font-size:11.5px;color:#8c8c8c;letter-spacing:0;margin-top:2px}
.nav{padding:4px 12px;display:flex;flex-direction:column;gap:1px;overflow:auto}
.nav .sec{font-size:11.5px;font-weight:600;color:#6f6f6f;padding:16px 10px 6px}
.nav a{display:flex;align-items:center;gap:11px;padding:8px 10px;border-radius:var(--r-sm);color:#d6d6d6;text-decoration:none;font-weight:500;position:relative}
.nav a:hover{background:#151515;color:#fff}
.nav a.on{background:#1a1a1a;color:#fff}
.nav a.on::before{content:'';position:absolute;left:-12px;top:7px;bottom:7px;width:4px;border-radius:0 3px 3px 0;background:var(--signal)}
.nav a.on svg{color:var(--accent);opacity:1}
.nav a svg{opacity:.75;flex:none}
.side .me{margin-top:auto;padding:16px 20px;border-top:1px solid #1f1f1f;font-size:12.5px;color:#8c8c8c}
.side .me b{display:block;color:#fff;font-weight:600}
.side .me button{margin-top:10px;background:none;border:1px solid #333;color:#e6e6e6;border-radius:var(--r-sm);padding:5px 12px;cursor:pointer;font-size:12px}
.side .me button:hover{border-color:var(--accent);color:var(--accent)}
.main{min-width:0}
.top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:28px 36px 8px}
.top h1{font-family:var(--display);font-weight:800;font-size:30px;letter-spacing:-.8px;line-height:1.1}
.top .sub{color:var(--ink-3);font-size:13.5px;margin-top:6px}
.content{padding:18px 36px 56px}
.acting{background:var(--amber);color:#000;padding:10px 36px;display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:500}
.acting button{background:#000;color:#fff;border:0;border-radius:var(--r-sm);padding:6px 14px;cursor:pointer;font-size:12.5px;font-weight:600}
.bannerx{padding:10px 36px;font-size:13px;border-bottom:1px solid var(--line)}.bannerx a{font-weight:700}
.bannerx.bad{background:var(--bad-soft);color:var(--bad)}.bannerx.warn{background:var(--amber-soft);color:#5c3d00}.bannerx.info{background:#000;color:#fff}.bannerx.info a{color:var(--amber)}
.tlogo{width:36px;height:36px;object-fit:contain;border-radius:var(--r-sm);background:#fff;padding:3px}

/* ---------- components ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.card>.hd{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 20px;border-bottom:1px solid var(--line-2)}
.card>.hd h3{font-size:15px;font-weight:700;letter-spacing:-.1px}
.card>.bd{padding:18px 20px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid>*{min-width:0}
.stat{padding:18px 20px 20px}
.stat .k{font-size:12.5px;color:var(--ink-3);font-weight:600}
.stat .v{font-family:var(--display);font-weight:800;font-size:34px;line-height:1.05;margin-top:8px;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stat .s{font-size:12.5px;color:var(--ink-3);margin-top:4px}
.g4>.stat:first-child{background:#000;color:#fff;border-color:#000}
.g4>.stat:first-child .k,.g4>.stat:first-child .s{color:#a3a3a3}
.g4>.stat:first-child .v{background:var(--signal);-webkit-background-clip:text;background-clip:text;color:transparent}
.g4>.stat:first-child a{color:var(--amber)}
.btn{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--ink);background:#fff;border-radius:999px;padding:8px 16px;cursor:pointer;font-weight:600;font-size:13px;color:var(--ink);text-decoration:none;white-space:nowrap;line-height:1.3}
.btn:hover{background:#000;color:#fff}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#000}
.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#000}
.btn.gold{background:var(--amber);border-color:var(--amber);color:#000}.btn.gold:hover{filter:brightness(1.05)}
.btn.danger{color:var(--bad);border-color:#f0b8b1}.btn.danger:hover{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.sm{padding:5px 12px;font-size:12px;border-width:1px}
.btn.ghost{border-color:transparent;background:transparent}.btn.ghost:hover{background:var(--line-2);color:#000}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
table{width:100%;border-collapse:collapse}
th{font-size:12px;color:var(--ink-3);font-weight:600;text-align:left;padding:11px 16px;border-bottom:1.5px solid var(--ink);white-space:nowrap}
td{padding:12px 16px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fafaf8}
.tbl-wrap{overflow:auto}
.pill{display:inline-flex;align-items:center;gap:5px;padding:2px 10px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--line-2);color:var(--ink-2);white-space:nowrap}
.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.warn{background:var(--amber-soft);color:#6b4600}.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.info{background:#000;color:#fff}
.pill.dot::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.info.dot::before{background:var(--amber)}
.muted{color:var(--ink-3)}.small{font-size:12.5px}
.empty{padding:40px;text-align:center;color:var(--ink-3)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:12.5px;font-weight:600;color:var(--ink-2)}
.field .hint{font-size:11.5px;color:var(--ink-3)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{border:1.5px solid var(--line);border-radius:var(--r-sm);padding:9px 12px;background:#fff;width:100%;outline:none;transition:border-color .12s}
input:hover,select:hover,textarea:hover{border-color:#c9c9c6}
input:focus,select:focus,textarea:focus{border-color:#000;box-shadow:0 0 0 3px rgba(255,196,0,.45)}
textarea{min-height:84px;resize:vertical}
input[type=color]{width:42px;height:36px;border:1.5px solid var(--line);border-radius:var(--r-sm);padding:2px;background:#fff;cursor:pointer}
.check{display:flex;gap:9px;align-items:center;font-size:13.5px;cursor:pointer}
.check input{accent-color:var(--accent);width:16px;height:16px}
.tabs{display:flex;gap:4px;border-bottom:1.5px solid var(--line);margin-bottom:18px}
.tabs button{border:0;background:none;padding:10px 14px;cursor:pointer;font-weight:600;color:var(--ink-3);border-bottom:3px solid transparent;margin-bottom:-1.5px}
.tabs button:hover{color:#000}
.tabs button.on{color:#000;border-bottom-color:var(--accent)}
.kv{display:grid;grid-template-columns:170px 1fr;gap:9px 16px;font-size:13.5px}.kv .k{color:var(--ink-3)}
.copy{min-width:0;display:flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 6px 6px 11px}
.copy code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.steps{margin:0;padding-left:22px}.steps li{margin-bottom:9px;line-height:1.6}.steps li::marker{color:var(--accent);font-weight:800}
.vendor-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.vendor{border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px;cursor:pointer;background:#fff;text-align:left}
.vendor:hover{border-color:#000}.vendor.on{border-color:#000;background:#000;color:#fff}.vendor.on span{color:var(--amber)}
.vendor b{display:block;font-size:13px}.vendor span{font-size:11.5px;color:var(--ink-3)}
pre{background:#000;color:#f2f2f2;border-radius:var(--r-sm);padding:14px 16px;overflow:auto;font-size:12px;line-height:1.6;margin:0;border-left:4px solid var(--accent)}
.designer{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:24px;align-items:start}
.phone{position:sticky;top:16px;width:400px;height:780px;border-radius:44px;background:#000;padding:12px;box-shadow:0 0 0 2px #2a2a2a,0 24px 60px rgba(0,0,0,.25)}
.phone iframe{width:100%;height:100%;border:0;border-radius:33px;background:#fff}
.chart{display:flex;align-items:flex-end;gap:6px;height:140px;padding-top:10px}
.chart .b{flex:1;background:linear-gradient(0deg,#ff6a00,#ffc400);border-radius:4px 4px 1px 1px;min-height:2px;position:relative}
.chart .b:hover{filter:brightness(.9)}
.chart .b:hover::after{content:attr(data-t);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:#000;color:#fff;font-size:11px;padding:3px 7px;border-radius:5px;white-space:nowrap;margin-bottom:5px}
.chart-x{display:flex;gap:6px;font-size:10.5px;color:var(--ink-3);margin-top:7px}.chart-x span{flex:1;text-align:center}
.bar-h{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px}.bar-h .t{width:130px;color:var(--ink-2)}.bar-h .track{flex:1;height:8px;background:var(--line-2);border-radius:5px;overflow:hidden}.bar-h .fill{height:100%;background:#000!important}.bar-h .n{width:36px;text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.voucher-print{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.voucher-card{border:2px dashed #000;border-radius:var(--r-sm);padding:14px;text-align:center}
.voucher-card .c{font-family:ui-monospace,Menlo,monospace;font-size:20px;letter-spacing:2px;color:#000;font-weight:800;background:var(--amber);display:inline-block;padding:2px 8px;border-radius:4px;margin:4px 0}
ul.feat{list-style:none;padding:0;margin:14px 0;display:grid;gap:7px;font-size:13px}ul.feat li::before{margin-right:9px;font-weight:800}ul.feat li.y::before{content:'✓';color:var(--accent)}ul.feat li.n{color:#a5a5a5;text-decoration:line-through}ul.feat li.n::before{content:'–'}
.card.cur{border:2px solid #000;box-shadow:inset 0 4px 0 var(--accent)}
.logo-preview{height:120px;display:grid;place-items:center;background:repeating-conic-gradient(#efefec 0 25%,#fff 0 50%) 0 0/18px 18px;border-radius:var(--r-sm);border:1px solid var(--line);margin-bottom:12px}.logo-preview img{max-height:96px;max-width:90%}
.invoice h2{font-family:var(--display);font-weight:800;letter-spacing:-.5px;margin:0 0 4px}.invoice table{margin-top:10px}.invoice td,.invoice th{padding:8px 4px}
.secret-box{background:var(--amber-soft);border:1.5px solid var(--amber);border-radius:var(--r-sm);padding:14px}
.secret-box code{font-size:13.5px;word-break:break-all}

/* ---------- modal + toast ---------- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px;z-index:50;overflow:auto}
.modal{background:#fff;border-radius:18px;width:100%;max-width:560px;box-shadow:0 30px 80px rgba(0,0,0,.35);border-top:5px solid var(--accent)}
.modal.wide{max-width:780px}
.modal .hd{padding:18px 22px;border-bottom:1px solid var(--line-2);display:flex;justify-content:space-between;align-items:center}
.modal .hd h3{font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:-.4px}
.modal .bd{padding:20px 22px}
.modal .ft{padding:14px 22px;border-top:1px solid var(--line-2);display:flex;justify-content:flex-end;gap:8px}
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:60;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#000;color:#fff;padding:11px 18px;border-radius:999px;font-size:13px;font-weight:500;box-shadow:0 10px 30px rgba(0,0,0,.3);border-left:4px solid var(--amber)}
.toast.err{background:var(--bad);border-left-color:#fff}

/* ---------- sign-in ---------- */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#fff}
.login .art{background:#000;color:#d9d9d9;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login .art h2{font-family:var(--display);font-weight:800;font-size:46px;line-height:1.02;letter-spacing:-1.6px;max-width:500px;color:#fff;position:relative;z-index:1}
.login .art p{max-width:440px;color:#a8a8a8;font-size:15px;position:relative;z-index:1}
.login .art .rings{position:absolute;right:-210px;bottom:-250px;width:560px;height:560px}
.login .art ul{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:10px;color:#cfcfcf;position:relative;z-index:1;max-width:480px}
.login .art li::before{content:'';display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--amber);margin-right:12px;vertical-align:middle}
.login .art .small a{color:#bdbdbd}
.login .login-pane{align-self:center;justify-self:center;width:100%;max-width:400px;padding:24px}
.login-pane h1{font-family:var(--display);font-weight:800;font-size:32px;letter-spacing:-1px;margin-bottom:8px}
.err-box{background:var(--bad-soft);color:var(--bad);padding:10px 12px;border-radius:var(--r-sm);font-size:13px;margin-bottom:12px}
.ok-box{background:var(--ok-soft);color:var(--ok);padding:10px 12px;border-radius:var(--r-sm);font-size:13px;margin-bottom:12px}
.otp{font-size:26px!important;letter-spacing:10px;text-align:center;font-variant-numeric:tabular-nums;font-weight:700}
.qr{display:flex;justify-content:center;margin:14px 0}.qr svg{border:2px solid #000;border-radius:12px;max-width:220px;height:auto}
.codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.codes code{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:9px;text-align:center;font-size:14px;letter-spacing:1px}
.mfa-opt{flex-direction:column;align-items:flex-start;text-align:left;padding:15px 18px;gap:2px;white-space:normal;border-radius:var(--r)}.mfa-opt span{font-weight:400;color:var(--ink-3);font-size:12.5px}.mfa-opt:hover span{color:#bdbdbd}

@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.designer{grid-template-columns:1fr}.phone{position:static;margin:auto}}
@media (max-width:820px){.shell{grid-template-columns:1fr}.side{position:static;height:auto}.g2,.g3{grid-template-columns:1fr}.login{grid-template-columns:1fr}.login .art{display:none}.top,.content{padding-left:16px;padding-right:16px}}
@media print{.side,.top,.no-print,.acting,.bannerx{display:none!important}.shell{display:block}.content{padding:0}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}