:root{
  --bg:#0a0a0a; --bg-alt:#0d0d0d; --card:#101010;
  --text:#aaa; --text-2:#888; --dim:#444; --emph:#eee;
  --border:#1a1a1a; --border-2:#222; --border-h:#333;
  --gold:#C4956A; --green:#3a9e7a; --red:#e05a3a;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  background:var(--bg);color:var(--text);
  font-family:'Courier New',monospace;font-size:15px;line-height:1.5;
  text-transform:lowercase;
  padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
  -webkit-font-smoothing:antialiased;
}
#app{max-width:480px;margin:0 auto;min-height:100%;display:flex;flex-direction:column}
a{color:var(--gold);text-decoration:none}
button{font-family:inherit;font-size:inherit;text-transform:lowercase;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{
  font-family:inherit;font-size:16px;text-transform:lowercase;
  background:var(--bg-alt);border:1px solid var(--border-2);color:var(--emph);
  padding:.7rem .8rem;border-radius:8px;width:100%;outline:none;
}
input:focus,textarea:focus{border-color:var(--border-h)}
::placeholder{color:var(--dim)}

/* shell motif */
.shell{display:inline-block;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.fade{animation:fade .35s ease both}

/* layout */
header{padding:1.1rem 1.2rem .6rem;display:flex;align-items:center;gap:.6rem}
header .brand{color:var(--emph);letter-spacing:.04em}
.sub{color:var(--text-2);font-size:.8rem}
main{flex:1;padding:0 1.2rem 6rem}
.section{margin-top:1.6rem}
.label{color:var(--text-2);font-size:.72rem;letter-spacing:.12em;margin-bottom:.7rem;text-transform:uppercase}

/* circle switcher */
.switcher{display:flex;gap:.4rem;overflow-x:auto;padding:.2rem 1.2rem .4rem;scrollbar-width:none}
.switcher::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;padding:.35rem .75rem;border:1px solid var(--border-2);border-radius:999px;color:var(--text-2);font-size:.8rem}
.chip.active{border-color:var(--gold);color:var(--gold)}

/* balance card */
.balance{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:1.6rem 1.4rem;text-align:center;margin-top:.4rem;
}
.balance .amt{font-size:2.8rem;color:var(--emph);letter-spacing:-.02em;line-height:1}
.balance .amt.pos{color:var(--green)} .balance .amt.neg{color:var(--red)}
.balance .unit{color:var(--text-2);font-size:.85rem;margin-top:.5rem}
.balance .limit{color:var(--dim);font-size:.72rem;margin-top:.9rem}
.meter{height:4px;background:var(--border-2);border-radius:99px;margin-top:.7rem;overflow:hidden}
.meter > i{display:block;height:100%;background:var(--red);border-radius:99px}

/* list rows */
.row{display:flex;align-items:center;gap:.8rem;padding:.85rem 0;border-bottom:1px solid var(--border)}
.row:last-child{border-bottom:none}
.av{width:34px;height:34px;border-radius:50%;background:var(--bg-alt);border:1px solid var(--border-2);
  display:grid;place-items:center;color:var(--gold);font-size:.8rem;flex:none}
.row .name{flex:1;color:var(--text)}
.row .name small{display:block;color:var(--dim);font-size:.72rem}
.row .bal{font-variant-numeric:tabular-nums}
.bal.pos{color:var(--green)} .bal.neg{color:var(--red)} .bal.zero{color:var(--dim)}

/* buttons */
.btn{display:block;width:100%;text-align:center;padding:.95rem;border-radius:12px;
  background:var(--gold);color:#0a0a0a;font-weight:bold;letter-spacing:.02em}
.btn:active{opacity:.85}
.btn.ghost{background:none;border:1px solid var(--border-2);color:var(--text)}
.btn.sm{padding:.5rem .9rem;width:auto;display:inline-block;font-size:.8rem}

/* tab bar */
.tabs{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;
  background:#0b0b0bdd;backdrop-filter:blur(10px);border-top:1px solid var(--border);
  display:flex;padding:.5rem .4rem calc(.5rem + env(safe-area-inset-bottom))}
.tabs button{flex:1;padding:.5rem;color:var(--dim);font-size:.72rem;display:flex;flex-direction:column;align-items:center;gap:.25rem}
.tabs button.active{color:var(--gold)}
.tabs .ic{font-size:1.1rem;line-height:1}

/* modal / sheet */
.sheet-bg{position:fixed;inset:0;background:#000a;backdrop-filter:blur(2px);display:grid;align-items:flex-end;z-index:20}
.sheet{background:var(--bg-alt);border-top:1px solid var(--border-h);border-radius:18px 18px 0 0;
  width:100%;max-width:480px;margin:auto auto 0;padding:1.3rem 1.3rem calc(1.3rem + env(safe-area-inset-bottom));animation:fade .25s ease}
.sheet h3{color:var(--emph);font-weight:normal;margin-bottom:1rem;font-size:1.1rem}
.field{margin-bottom:.9rem}
.field label{display:block;color:var(--text-2);font-size:.72rem;margin-bottom:.35rem;letter-spacing:.08em}
.amt-in{font-size:2rem!important;text-align:center;padding:1rem!important}

/* centered auth */
.center{flex:1;display:grid;place-items:center;padding:2rem 1.4rem;text-align:center}
.center .logo{font-size:3rem;color:var(--gold);margin-bottom:.6rem}
.center h1{color:var(--emph);font-weight:normal;font-size:1.4rem;margin-bottom:.4rem}
.center p{color:var(--text-2);font-size:.85rem;margin-bottom:1.6rem;max-width:300px}
.center .form{width:100%;max-width:320px;display:flex;flex-direction:column;gap:.7rem}

.empty{color:var(--dim);text-align:center;padding:2.5rem 1rem;font-size:.85rem}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:5.5rem;z-index:40;
  background:#161616;border:1px solid var(--border-h);color:var(--emph);padding:.7rem 1.1rem;border-radius:10px;font-size:.85rem;animation:fade .2s}
.toast.err{border-color:var(--red);color:var(--red)}
.tx-amt{font-variant-numeric:tabular-nums}
.muted{color:var(--text-2);font-size:.8rem}
.cat{display:inline-block;font-size:.66rem;letter-spacing:.08em;color:var(--gold);border:1px solid var(--border-2);border-radius:99px;padding:.1rem .5rem;margin-top:.3rem}