:root{
  --bg:#0A0E1A; --surface:#111726; --surface2:#161E31; --elev:#1B2440;
  --line:#232E49; --line2:#2E3B5C;
  --text:#E8EDFA; --muted:#8591B0; --faint:#5D6888;
  --brand:#5B8DEF; --brand2:#8B5CF6;
  --emerald:#34D399; --rose:#FB7185; --amber:#FBBF24;
  --grad:linear-gradient(135deg,#5B8DEF,#8B5CF6);
  --r:14px; --r-sm:10px;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --disp:"Sora",var(--sans);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:14.5px/1.55 var(--sans);-webkit-font-smoothing:antialiased;letter-spacing:-.005em}
a{color:var(--brand);text-decoration:none}
a:hover{color:#7BA5F5}
h1,h2,h3{font-family:var(--disp);font-weight:700;letter-spacing:-.02em;margin:0}
h1{font-size:25px}h2{font-size:19px}h3{font-size:15px}
small{color:var(--muted)}.muted{color:var(--muted)}
button{font-family:inherit;cursor:pointer}
.mk{width:28px;height:28px;flex:none}

/* ============ APP SHELL ============ */
body.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:800;font-size:18px;color:var(--text);letter-spacing:-.03em;padding:6px 8px 20px}
.brand:hover{color:var(--text)}
.side-nav{display:flex;flex-direction:column;gap:3px;flex:1}
.side-nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--r-sm);color:var(--muted);font-weight:500;font-size:14px}
.side-nav a svg{width:19px;height:19px;flex:none;opacity:.85}
.side-nav a:hover{background:var(--surface2);color:var(--text)}
.side-nav a.on{background:linear-gradient(135deg,rgba(91,141,239,.16),rgba(139,92,246,.16));color:#fff;box-shadow:inset 0 0 0 1px var(--line2)}
.side-nav a.on svg{opacity:1;color:var(--brand)}
.side-foot{border-top:1px solid var(--line);padding-top:14px;margin-top:10px}
.me-chip{display:flex;align-items:center;gap:10px;padding:4px 6px 12px}
.avatar{width:34px;height:34px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-family:var(--disp);font-weight:700;color:#fff;text-transform:uppercase;flex:none}
.me-info{display:flex;flex-direction:column;line-height:1.3;overflow:hidden}
.me-info b{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-info small{font-size:11px;text-transform:capitalize}
.logout{display:flex;align-items:center;gap:9px;width:100%;background:none;border:1px solid var(--line);color:var(--muted);border-radius:var(--r-sm);padding:9px 12px;font-size:13px;font-weight:500}
.logout svg{width:17px;height:17px}
.logout:hover{color:var(--text);border-color:var(--line2);background:var(--surface2)}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 28px;background:rgba(10,14,26,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.tb-title{font-family:var(--disp);font-weight:600;font-size:16px;letter-spacing:-.01em}
.money-chip{display:flex;flex-direction:column;align-items:flex-end;line-height:1.15;padding:7px 14px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--line)}
.money-chip small{font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint)}
.money-chip b{font-family:var(--disp);font-size:15px;font-variant-numeric:tabular-nums;color:var(--brand)}
.money-chip.up b{color:var(--emerald)}
.money-chip:hover{border-color:var(--line2)}
.content{padding:26px 28px 70px;max-width:1120px;width:100%}

/* ============ PUBLIC ============ */
body.public{min-height:100vh;display:flex;flex-direction:column}
.pub-nav{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;max-width:1100px;margin:0 auto;width:100%}
.pub-nav .brand{padding:0;font-size:19px}
.pub-nav nav{display:flex;align-items:center;gap:20px}
.pub-nav nav a{color:var(--muted);font-weight:500}
.pub-nav nav a:hover{color:var(--text)}
.pub-wrap{flex:1;max-width:1100px;margin:0 auto;width:100%;padding:20px 28px 60px}
.pub-foot{border-top:1px solid var(--line);padding:22px 28px;display:flex;justify-content:space-between;max-width:1100px;margin:0 auto;width:100%;color:var(--faint);font-size:13px}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--grad);color:#fff;border:0;border-radius:var(--r-sm);padding:10px 17px;font-weight:600;font-size:14px;box-shadow:0 2px 14px rgba(91,141,239,.28)}
.btn:hover{color:#fff;filter:brightness(1.08);box-shadow:0 4px 20px rgba(91,141,239,.4)}
.btn.sm{padding:7px 13px;font-size:13px;box-shadow:none}
.btn.lg{padding:13px 24px;font-size:15px}
.btn.ghost{background:transparent;border:1px solid var(--line2);color:var(--text);box-shadow:none}
.btn.ghost:hover{background:var(--surface2);filter:none}
.link{background:none;border:0;color:var(--muted);font:inherit;font-weight:500;padding:0}
.link:hover{color:var(--brand)}
.inline{display:inline}
.back{display:inline-block;color:var(--faint);font-size:13px;margin-bottom:6px}
.back:hover{color:var(--muted)}

.flash{padding:11px 15px;border-radius:var(--r-sm);margin-bottom:18px;font-weight:500;font-size:13.5px}
.flash.ok{background:rgba(52,211,153,.12);color:#6ee7b7;box-shadow:inset 0 0 0 1px rgba(52,211,153,.25)}
.flash.err{background:rgba(251,113,133,.12);color:#fda4af;box-shadow:inset 0 0 0 1px rgba(251,113,133,.25)}

.head-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.sec{font-family:var(--disp);margin:30px 0 14px;font-size:17px}
.subnav{display:flex;gap:16px}.subnav a{color:var(--muted);font-weight:500;font-size:13.5px}.subnav a:hover{color:var(--text)}

/* ============ LANDING ============ */
.hero{padding:70px 0 20px;max-width:760px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--brand);background:rgba(91,141,239,.1);border:1px solid rgba(91,141,239,.25);padding:5px 12px;border-radius:30px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:52px;line-height:1.05;letter-spacing:-.035em}
.hero h1 .tint{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:18px;line-height:1.5;margin:20px 0 28px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

/* bid-flow rail — the signature adtech visual */
.flow{margin:54px 0 10px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.flow-node{padding:22px 20px}
.flow-node .fn-k{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--faint);font-weight:600}
.flow-node .fn-t{font-family:var(--disp);font-weight:700;font-size:17px;margin:7px 0 4px}
.flow-node .fn-d{font-size:12.5px;color:var(--muted);line-height:1.4}
.flow-node.mid{background:linear-gradient(180deg,rgba(91,141,239,.08),rgba(139,92,246,.08))}
.flow-arrow{display:grid;place-items:center;width:52px;color:var(--brand);font-family:var(--disp);background:var(--surface2)}
.flow-arrow svg{width:22px;height:22px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.metric .mv{font-family:var(--disp);font-weight:700;font-size:26px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric .ml{font-size:12.5px;color:var(--muted);margin-top:2px}
.metric.a .mv{color:var(--brand)}.metric.b .mv{color:var(--emerald)}.metric.c .mv{color:var(--amber)}

/* ============ TABLES ============ */
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:600;padding:12px 14px;background:var(--surface2);border-bottom:1px solid var(--line)}
.tbl td{padding:13px 14px;border-top:1px solid var(--line);vertical-align:middle;font-size:14px}
.tbl tbody tr:first-child td{border-top:0}
.tbl tbody tr:hover td{background:rgba(91,141,239,.04)}
.tbl td small{display:block;font-size:12px;color:var(--faint);margin-top:2px}
.tbl .r,th.r{text-align:right;font-variant-numeric:tabular-nums}
.tbl .pos{color:var(--emerald);font-weight:600}.tbl .neg{color:var(--rose);font-weight:600}
.trunc{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}

.tag{display:inline-block;font-size:11px;font-weight:600;padding:3px 9px;border-radius:7px;background:var(--elev);color:var(--muted);text-transform:capitalize}
.st{font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:30px}
.st.s1{background:rgba(52,211,153,.14);color:#6ee7b7}
.st.s0{background:rgba(251,191,36,.14);color:#fcd34d}
.st.s2{background:rgba(133,145,176,.14);color:var(--muted)}

/* ============ STAT TILES ============ */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:18px 0}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--grad);opacity:.0}
.kpi small{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint);font-weight:600}
.kpi b{display:block;font-family:var(--disp);font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:7px;letter-spacing:-.02em}
.kpi.earn b{color:var(--emerald)}
.kpi.earn::before{opacity:1;background:linear-gradient(180deg,var(--emerald),#10b981)}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:18px 0}
.panel h3{margin-bottom:14px}

/* ============ FORMS ============ */
.auth{max-width:420px;margin:48px auto;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.auth.wide{max-width:640px}
.auth h1{font-size:23px;margin-bottom:6px}
.auth .sub{color:var(--muted);margin:0 0 22px;font-size:14px}
label{display:block;margin-bottom:15px;font-size:12.5px;font-weight:600;color:var(--muted)}
label small{font-weight:400;color:var(--faint)}
input,select,textarea{width:100%;margin-top:7px;background:var(--bg);border:1px solid var(--line2);color:var(--text);border-radius:var(--r-sm);padding:10px 13px;font:inherit;transition:border-color .15s,box-shadow .15s}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,141,239,.18)}
.row{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.row input,.row select{width:auto;flex:1;min-width:150px;margin-top:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .btn{margin-top:4px}

/* money cards */
.wallet{margin-bottom:12px}
.balance-card{background:var(--grad);border-radius:18px;padding:26px;color:#fff;max-width:420px;box-shadow:0 18px 44px rgba(91,141,239,.3)}
.balance-card.green{background:linear-gradient(135deg,#10b981,#34d399);box-shadow:0 18px 44px rgba(16,185,129,.3)}
.balance-card small{opacity:.85;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.balance-card .big{font-family:var(--disp);font-size:40px;font-weight:800;font-variant-numeric:tabular-nums;margin:6px 0 18px;letter-spacing:-.02em}
.balance-card input{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.28);color:#fff}
.balance-card input::placeholder{color:rgba(255,255,255,.75)}
.balance-card .btn{background:#fff;color:#3730a3;box-shadow:none}
.balance-card .hint{font-size:12px;opacity:.9;margin:14px 0 0}
.topup{display:flex;gap:9px}

.code{background:#060912;border:1px solid var(--line2);border-radius:var(--r-sm);padding:13px 15px;overflow-x:auto;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;color:#8fd3ff;white-space:pre-wrap;word-break:break-all}

.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.feature h3{color:var(--text);margin-bottom:8px}
.feature p{color:var(--muted);font-size:13.5px;margin:0}
.grid.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:22px}

.empty{text-align:center;padding:70px 20px}
.empty h1{font-family:var(--disp);font-size:60px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ RESPONSIVE ============ */
@media(max-width:860px){
  body.app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-260px;z-index:50;transition:left .2s;box-shadow:0 0 40px rgba(0,0,0,.5)}
  .sidebar.open{left:0}
  .content{padding:20px 16px 60px}
  .topbar{padding:12px 16px}
  .row2{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .flow{grid-template-columns:1fr}
  .flow-arrow{width:auto;height:40px;transform:rotate(90deg)}
}

/* ---- sidebar toggle / collapse ---- */
.tb-left{display:flex;align-items:center;gap:14px}
.nav-toggle{background:none;border:1px solid var(--line);color:var(--muted);border-radius:9px;width:34px;height:34px;display:grid;place-items:center;flex:none}
.nav-toggle svg{width:18px;height:18px}
.nav-toggle:hover{color:var(--text);border-color:var(--line2);background:var(--surface2)}
body.app.collapsed{grid-template-columns:72px 1fr}
.app.collapsed .sidebar{padding:18px 12px}
.app.collapsed .brand{justify-content:center}
.app.collapsed .brand span,
.app.collapsed .side-nav a span,
.app.collapsed .logout span,
.app.collapsed .me-info{display:none}
.app.collapsed .side-nav a{justify-content:center;padding:11px 0}
.app.collapsed .me-chip{justify-content:center;padding:4px 0 12px}
.app.collapsed .logout{justify-content:center}

label.check{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);font-weight:500}
label.check input{width:auto;margin:0;flex:none}
label.check small{font-weight:400;color:var(--faint)}