:root{
  --orange:#ff6a13; --orange-d:#e85d0a; --teal:#0aa6a6; --ink:#11161c; --muted:#5b6b7b;
  --bg:#f4f6f9; --card:#ffffff; --line:#e4e9ef; --green:#159a5b; --red:#d4351c;
  --radius:14px; --shadow:0 6px 24px rgba(17,22,28,.07);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.5}
h1{font-size:22px;margin-bottom:6px}
h2{font-size:16px;margin-bottom:14px}
.muted{color:var(--muted)} .small{font-size:12.5px}
code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#eef1f5;padding:1px 5px;border-radius:5px}

.topbar{display:flex;align-items:center;justify-content:space-between;background:var(--ink);color:#fff;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}
.logo{width:26px;height:26px;fill:var(--orange)}
.logo-lg{width:46px;height:46px;fill:var(--orange);margin-bottom:8px}
.badge-demo{font-size:10px;font-weight:700;letter-spacing:.5px;background:var(--orange);color:#fff;padding:2px 8px;border-radius:20px;margin-left:4px}

.synth-banner{background:#fff6ed;color:#8a4b12;border-bottom:1px solid #ffd9b5;font-size:12.5px;text-align:center;padding:7px 16px}

.container{max-width:880px;margin:24px auto;padding:0 16px}
.view{animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
@media(max-width:720px){.grid{grid-template-columns:1fr}}

.login-card{max-width:420px;margin:60px auto;text-align:center}
.login-card p{margin:10px 0 18px}

.row{display:flex;align-items:center;justify-content:space-between}
.balance{font-size:40px;font-weight:800;letter-spacing:-1px;margin:10px 0 2px}
.currency{font-size:18px;font-weight:600;color:var(--muted)}
.chip{font-size:12px;background:#e8f7f0;color:var(--green);padding:3px 10px;border-radius:20px;font-weight:600}
.actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}

.btn-primary{background:var(--orange);color:#fff;border:none;border-radius:10px;padding:11px 20px;font-size:14px;font-weight:700;cursor:pointer}
.btn-primary:hover{background:var(--orange-d)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer}
.btn-ghost:hover{background:#f0f3f7}

.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px}
.kv dt{color:var(--muted)} .kv dd{text-align:right;font-weight:600}

form label{display:block;font-size:13px;font-weight:600;margin:12px 0 5px}
form input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit}
form input:focus{outline:2px solid var(--orange);border-color:var(--orange)}
.msg{margin-top:12px;font-size:13.5px;min-height:18px}
.msg.ok{color:var(--green)} .msg.err{color:var(--red)}
.warn{color:var(--red);font-size:12.5px;margin-top:12px}

.tx-list{list-style:none}
.tx-item{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line)}
.tx-item:last-child{border-bottom:none}
.tx-main{display:flex;align-items:center;gap:12px}
.tx-ico{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:15px}
.tx-ico.in{background:#e8f7f0;color:var(--green)} .tx-ico.out{background:#fdecea;color:var(--red)}
.tx-cp{font-weight:600;font-size:14px} .tx-ts{font-size:12px;color:var(--muted)}
.tx-amt{font-weight:700} .tx-amt.in{color:var(--green)} .tx-amt.out{color:var(--ink)}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;box-shadow:var(--shadow);z-index:50}
.foot{text-align:center;padding:24px 16px}