:root{
  --bg:#0b0d12; --panel:#141821; --panel2:#1b202b;
  --line:#262c39; --text:#eef0f4; --dim:#8b93a3;
  --mint:#5ee6b8; --coral:#ff8b6b; --danger:#ff5f6d; --gold:#ffd66b;
  --grad: linear-gradient(135deg,#5ee6b8 0%,#4fb8e0 100%);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
h1{font-size:1.25rem;margin:0;letter-spacing:.2px}
header{padding:16px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:rgba(11,13,18,.9);backdrop-filter:blur(6px);z-index:10}
header .sub{color:var(--dim);font-size:.78rem;margin-top:2px}
main{max-width:960px;margin:0 auto;padding:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:16px}
.card h2{font-size:.85rem;margin:0 0 12px;color:var(--mint);letter-spacing:.5px;text-transform:uppercase;display:flex;align-items:center;gap:6px}

/* --- Dashboard stat cards --- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;position:relative;overflow:hidden}
.stat .icon{font-size:1.3rem;opacity:.9}
.stat .label{color:var(--dim);font-size:.72rem;text-transform:uppercase;letter-spacing:.4px;margin-top:8px}
.stat .val{font-size:1.35rem;font-weight:700;margin-top:2px}
.stat.pos .val{color:var(--mint)}
.stat.neg .val{color:var(--danger)}
.stat.accent{background:var(--grad);border:none}
.stat.accent .label,.stat.accent .val,.stat.accent .icon{color:#0b0d12}

/* balance meter */
.meter{height:10px;border-radius:6px;background:var(--panel2);overflow:hidden;display:flex;margin-top:10px}
.meter .seg{height:100%}
.meter-legend{display:flex;justify-content:space-between;font-size:.72rem;color:var(--dim);margin-top:6px}

/* forms */
.tabs{display:flex;gap:8px;margin-bottom:14px}
.tab{padding:7px 14px;border-radius:20px;background:var(--panel2);border:1px solid var(--line);cursor:pointer;font-size:.8rem;color:var(--dim)}
.tab.active{background:var(--mint);color:#0b0d12;border-color:var(--mint);font-weight:600}
form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:8px}
input,select{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:9px 10px;border-radius:8px;font-size:.85rem}
button{background:var(--mint);color:#0b0d12;border:none;padding:9px 14px;border-radius:8px;font-weight:600;cursor:pointer;font-size:.85rem}
button.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
button.ia{background:var(--coral);width:100%;margin-top:10px}

/* table */
table{width:100%;border-collapse:collapse;font-size:.85rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}
th{color:var(--dim);font-weight:500;font-size:.7rem;text-transform:uppercase}
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;background:var(--panel2);font-size:.76rem}
.amt-in{color:var(--mint);font-weight:600}
.amt-out{color:var(--coral);font-weight:600}
.del{color:var(--danger);cursor:pointer;background:none;border:none;font-size:.9rem;padding:0}

.chartwrap{max-width:300px;margin:0 auto}
.grid2{display:grid;grid-template-columns:1fr 320px;gap:16px}
#iaResult{white-space:pre-wrap;font-size:.85rem;line-height:1.55;background:var(--panel2);border-radius:10px;padding:14px;margin-top:10px;display:none}
.badge{font-size:.7rem;color:var(--dim)}
.toprow{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}
.fileops{display:flex;gap:8px}
.empty{text-align:center;padding:30px 10px;color:var(--dim);font-size:.85rem}
/* language switch */
.lang-switch{position:relative;display:inline-flex;background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:3px;gap:2px}
.lang-opt{position:relative;z-index:1;background:transparent;border:none;padding:5px 12px;font-size:.72rem;font-weight:700;color:var(--dim);cursor:pointer;border-radius:16px;transition:color .25s ease}
.lang-opt.active{color:#0b0d12}
.lang-indicator{position:absolute;top:3px;left:3px;width:calc(50% - 3px);height:calc(100% - 6px);background:var(--mint);border-radius:16px;transition:transform .28s cubic-bezier(.4,0,.2,1)}

/* stat pulse on update */
.stat .val{transition:transform .18s ease}
.stat .val.pop{animation:pop .32s ease}
@keyframes pop{0%{transform:scale(1)}45%{transform:scale(1.12)}100%{transform:scale(1)}}

/* row fade-in */
tbody tr{animation:rowIn .28s ease}
@keyframes rowIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* meter segment smooth resize */
.meter .seg{transition:width .35s ease}

@media(max-width:700px){.stats{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}form{grid-template-columns:1fr 1fr}}

.table-scroll{overflow-x:auto}

@media(max-width:480px){
  header{flex-direction:column;align-items:flex-start;gap:10px;padding:14px 16px}
  .fileops{width:100%;flex-wrap:wrap;gap:6px}
  .fileops .secondary{flex:1;font-size:.7rem;padding:8px 4px}
  h1{font-size:1.05rem;line-height:1.25}
  .sub{font-size:.7rem}
  main{padding:14px}
  .card{padding:14px}
  .stats{gap:8px}
  .stat{padding:12px}
  .stat .val{font-size:1.1rem}
  .stat .label{font-size:.65rem}
  table{font-size:.76rem;min-width:480px}
  th,td{padding:6px 4px}
  form{grid-template-columns:1fr}
}

@media(max-width:600px){
  .table-scroll{overflow-x:visible}
  table{display:block;min-width:0}
  thead{display:none}
  tbody{display:block}
  tbody tr{display:block;background:var(--panel2);border-radius:10px;padding:10px 12px;margin-bottom:8px}
  tbody td{display:flex;justify-content:space-between;align-items:center;border:none;padding:5px 0;font-size:.82rem;gap:10px}
  tbody td::before{content:attr(data-label);color:var(--dim);font-size:.66rem;text-transform:uppercase;letter-spacing:.3px;flex-shrink:0}
  tbody td:last-child{justify-content:flex-end}
  tbody td:last-child::before{content:''}
}