/* Layout: fixed sidebar + scrolling main column; cards only for distinct objects (wallet, forms, tables) */
:root{
  --bg:#F2F4F8; --surface:#FFFFFF; --sunk:#F7F8FB; --ink:#0D1530; --muted:#59617A; --line:#DCE0EA;
  --accent:#2C47F5; --accent-soft:rgba(44,71,245,.10); --on-accent:#FFFFFF; --coin:#B57E00;
  --ok:#118C5A; --ok-soft:rgba(17,140,90,.10); --warn:#B86E00; --warn-soft:rgba(184,110,0,.12);
  --bad:#C8352B; --bad-soft:rgba(200,53,43,.10);
  --side:#0D1530; --side-fg:#C9CEE3; --side-muted:#7C85A8; --side-active:#1C2650;
  --f-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --f-body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0A0F22; --surface:#121935; --sunk:#0E1430; --ink:#EDEFF8; --muted:#9AA2C0; --line:#242C4D;
  --accent:#6A7FFF; --accent-soft:rgba(106,127,255,.16); --coin:#F2B84B;
  --ok:#3CC48A; --ok-soft:rgba(60,196,138,.14); --warn:#E5A23C; --warn-soft:rgba(229,162,60,.14);
  --bad:#FF7A6E; --bad-soft:rgba(255,122,110,.14);
  --side:#16204A; --side-active:#24306A; color-scheme:dark}}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.5 var(--f-body);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1,h2,h3{margin:0;line-height:1.15;text-wrap:balance}
h1{font-family:var(--f-display);font-size:1.45rem;font-weight:700;letter-spacing:-.01em}
h2{font-size:1.05rem;font-weight:600}
p{margin:0}
.num,.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.small{font-size:.86rem}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:600 .92rem var(--f-body);padding:10px 16px;border-radius:10px;border:1px solid transparent;cursor:pointer;background:var(--accent);color:var(--on-accent);text-decoration:none;white-space:nowrap}
.btn:disabled{opacity:.55;cursor:default}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn.quiet{background:transparent;color:var(--accent);padding:6px 8px}
.btn.danger{background:transparent;color:var(--bad);border-color:var(--line)}
.btn.sm{padding:6px 10px;font-size:.84rem;border-radius:8px}
form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:.82rem;font-weight:600;color:var(--muted)}
.field .hint{font-size:.8rem;color:var(--muted)}
input,select{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;min-width:0}
input:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row > .field{flex:1 1 180px}
.check{display:flex;align-items:center;gap:8px;font-size:.92rem}
.check input{width:auto}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;padding:3px;background:var(--sunk);gap:3px}
.seg button{font:600 .88rem var(--f-body);border:0;background:transparent;color:var(--muted);padding:7px 14px;border-radius:7px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}

/* auth */
.auth{min-height:100%;display:grid;place-items:center;padding:32px 16px}
.auth-card{width:100%;max-width:400px;display:flex;flex-direction:column;gap:22px}
.auth-card .panel{padding:28px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:1.05rem;color:inherit;text-decoration:none}
.auth .switch{text-align:center;font-size:.9rem;color:var(--muted)}

/* shell */
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100%}
.side{background:var(--side);color:var(--side-fg);padding:20px 14px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}
.side .logo{color:#fff;padding:0 8px}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{color:var(--side-fg);text-decoration:none;padding:9px 12px;border-radius:8px;font-weight:500;display:flex;justify-content:space-between;align-items:center}
.side nav a:hover{background:var(--side-active)}
.side nav a[aria-current="page"]{background:var(--side-active);color:#fff}
.side nav .badge{background:var(--warn);color:#1a1200;font-size:.72rem;font-weight:700;border-radius:999px;padding:1px 7px}
.side .who{margin-top:auto;padding:12px;border-top:1px solid var(--side-active);font-size:.85rem;display:flex;flex-direction:column;gap:2px}
.side .who b{color:#fff;font-weight:600}
.side .who span{color:var(--side-muted)}
.side .who button{all:unset;cursor:pointer;color:var(--side-muted);font-size:.85rem;margin-top:6px}
.side .who button:hover{color:#fff}
main.view{padding:28px clamp(16px,3vw,40px) 64px;display:flex;flex-direction:column;gap:22px;min-width:0;max-width:1180px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.head p{margin-top:4px}
.mobile-bar{display:none}
@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:260px;z-index:20;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.4)}
  .mobile-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--side);color:#fff;position:sticky;top:0;z-index:10}
  .mobile-bar button{all:unset;cursor:pointer;font-size:1.4rem;padding:0 6px}
}

/* panels */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:16px;min-width:0}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:1.1fr 1fr}
.grid.split{grid-template-columns:minmax(0,1fr) 360px;align-items:start}
@media (max-width:1000px){.grid.two,.grid.split{grid-template-columns:1fr}}

/* wallet hero */
.wallet{background:var(--side);color:#fff;border:1px solid var(--side-active);border-radius:16px;padding:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-end}
.wallet .k{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--side-muted)}
.wallet .v{font-family:var(--f-mono);font-size:2.4rem;font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.wallet .sub{color:var(--side-muted);font-size:.86rem}
.wallet .actions{display:flex;gap:8px;flex-wrap:wrap}
.wallet .btn.ghost{background:transparent;color:#fff;border-color:#2A3460}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .k{font-size:.78rem;color:var(--muted)}
.stat .v{font-family:var(--f-mono);font-size:1.35rem;font-variant-numeric:tabular-nums;margin-top:2px}

/* tables */
.table-wrap{overflow-x:auto;margin:0 -20px -20px;border-top:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:11px 20px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--sunk)}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
td .sub{display:block;color:var(--muted);font-size:.8rem}
.empty{padding:28px 20px;text-align:center;color:var(--muted)}

.pill{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:600;padding:3px 9px;border-radius:999px;text-transform:capitalize}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.succeeded,.pill.paid,.pill.active{background:var(--ok-soft);color:var(--ok)}
.pill.failed,.pill.cancelled,.pill.disabled,.pill.rejected{background:var(--bad-soft);color:var(--bad)}
.pill.unknown,.pill.expired,.pill.requested,.pill.invited{background:var(--warn-soft);color:var(--warn)}
.pill.open,.pill.pending{background:var(--accent-soft);color:var(--accent)}

.callout{border-radius:12px;padding:14px 16px;background:var(--sunk);border:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.callout.warn{background:var(--warn-soft);border-color:transparent}
.callout.ok{background:var(--ok-soft);border-color:transparent}
.copy{display:flex;gap:8px;align-items:center}
.copy input[readonly]{font-family:var(--f-mono);font-size:.82rem;background:var(--sunk)}
.cost{display:flex;justify-content:space-between;padding:12px 14px;border-radius:10px;background:var(--sunk);font-size:.9rem}
.cost b{font-family:var(--f-mono);font-weight:500}

.bars{display:flex;flex-direction:column;gap:10px}
.bar{display:grid;grid-template-columns:140px 1fr auto;gap:12px;align-items:center;font-size:.88rem}
.bar .track{height:8px;background:var(--sunk);border-radius:4px;overflow:hidden}
.bar .fill{height:100%;background:var(--accent);border-radius:4px}
.bar span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:12px;font-weight:500;z-index:50;box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:calc(100% - 32px)}
.toast.bad{background:var(--bad);color:#fff}
.loading{color:var(--muted);padding:40px 0;text-align:center}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- phone ---------- */
.tabbar{display:none}
.mobile-bar .title{font-weight:600;font-size:1rem;color:#fff}
@media (max-width:860px){
  /* Bottom tab bar: the pages people use most, plus More for the rest. */
  .tabbar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:15;
    background:var(--surface);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px))}
  .tabbar a,.tabbar button{all:unset;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;
    font-size:.72rem;font-weight:600;color:var(--muted);border-radius:10px;text-align:center;position:relative}
  .tabbar svg{width:22px;height:22px}
  .tabbar [aria-current="page"]{color:var(--accent)}
  .tabbar .dot{position:absolute;top:2px;right:calc(50% - 18px);background:var(--warn);color:#1a1200;font-size:.62rem;border-radius:999px;padding:0 5px;line-height:1.5}
  main.view{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
  .mobile-bar{padding-top:calc(12px + env(safe-area-inset-top,0px))}
  .side{padding-top:calc(20px + env(safe-area-inset-top,0px))}
}
@media (max-width:640px){
  /* 16px stops iOS from zooming into fields on focus */
  input,select{font-size:16px}
  main.view{gap:18px;padding-inline:14px}
  h1{font-size:1.3rem}
  .panel{padding:16px;border-radius:12px}
  .wallet{padding:20px}
  .wallet .v{font-size:2rem}
  .wallet .actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
  .wallet .actions .btn{width:100%}
  .head{align-items:flex-start}
  .head > .row,.head > .btn{width:100%}
  .seg{display:flex;width:100%;overflow-x:auto}
  .seg button{flex:1 0 auto}
  .stat .v{font-size:1.15rem}
  .btn.sm{padding:9px 12px}
  form .row[style*="flex-direction:row"]{flex-direction:column!important;align-items:stretch!important}
  form .row[style*="flex-direction:row"] .btn{width:100%}
  .grid.split > aside{order:-1}              /* wallet summary above the load form */
  .bar{grid-template-columns:96px 1fr auto}

  /* Tables become stacked cards; labels come from the header (data-label, set in JS). */
  .table-wrap{overflow:visible;margin:0 -16px -16px}
  .table-wrap table,.table-wrap tbody,.table-wrap tr,.table-wrap td{display:block;width:auto}
  .table-wrap thead{display:none}
  .table-wrap tr{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;padding:14px 16px;border-bottom:1px solid var(--line)}
  .table-wrap tr:last-child{border-bottom:0}
  .table-wrap td{border:0;padding:0;white-space:normal;text-align:left!important;min-width:0;overflow-wrap:anywhere}
  .table-wrap td:first-child{grid-column:1/-1;font-weight:600}
  .table-wrap td[data-label]::before{content:attr(data-label);display:block;font-family:var(--f-body);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:2px}
  .table-wrap td:first-child::before{display:none}
  .table-wrap td.actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}
  .table-wrap td.actions::before{display:none}
  .table-wrap td.actions .btn{flex:1 1 auto}
  .table-wrap td[colspan]{grid-column:1/-1}
  .table-wrap td .sub{font-weight:400}
  .table-wrap tr[data-go]{cursor:pointer}
  .copy{flex-wrap:wrap}
  .copy input{flex:1 1 180px}
}