:root{
  --bg:#f4f6fb;--surface:#fff;--text:#16202e;--muted:#6b778a;--line:#e3e8f0;
  --primary:#2f5bea;--primary-d:#2347c0;
  --in:#12935a;--in-bg:#e6f6ee;--out:#d63b3b;--out-bg:#fdecec;--bal:#2f5bea;--bal-bg:#eaf0ff;
  --radius:14px;--shadow:0 2px 10px rgba(20,35,70,.07);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Devanagari",sans-serif;background:var(--bg);color:var(--text);line-height:1.45;-webkit-text-size-adjust:100%}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:.92rem}
.error{color:var(--out);min-height:1.2em;font-size:.9rem;margin:.5rem 0 0}

/* buttons / inputs */
.btn{border:1px solid transparent;border-radius:10px;padding:.65rem 1rem;font:inherit;font-weight:600;cursor:pointer;transition:.15s;min-height:42px}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn.ghost:hover{background:#f0f3f9}
.btn.block{width:100%}
.btn.sm{padding:.35rem .6rem;min-height:34px;font-size:.85rem}
input,select,textarea{font:inherit;color:inherit;border:1px solid var(--line);border-radius:10px;padding:.65rem .75rem;background:#fff;width:100%;min-height:42px}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd0ff;border-color:var(--primary)}

/* login */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background:linear-gradient(135deg,#1c2f6b,#2f5bea 60%,#5c8bff)}
.login-card{background:#fff;border-radius:20px;padding:2rem 1.6rem;width:100%;max-width:360px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.25);display:flex;flex-direction:column;gap:.8rem}
.login-card h1{margin:0;font-size:1.5rem}
.login-card input{text-align:center;font-size:1.05rem}
.logo{width:56px;height:56px;border-radius:16px;background:var(--primary);color:#fff;font-size:1.8rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto}
.logo.sm{width:34px;height:34px;font-size:1.1rem;border-radius:10px;margin:0}

/* top */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:.7rem 1rem;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700}
.top-actions{display:flex;gap:.5rem}

/* tabs */
.tabs{display:flex;gap:.5rem;padding:.8rem 1rem 0;max-width:1200px;margin:0 auto;overflow-x:auto}
.tab{flex:1;min-width:150px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:.85rem 1rem;font:inherit;font-weight:700;cursor:pointer;color:var(--muted);transition:.15s}
.tab.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow)}

.container{max-width:1200px;margin:0 auto;padding:1rem}
.desk-title{margin:.4rem 0 1rem;font-size:1.3rem}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;margin-bottom:1rem}
.card{background:var(--surface);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);border-left:5px solid var(--line)}
.card span{display:block;color:var(--muted);font-size:.85rem}
.card strong{font-size:1.4rem;display:block;margin-top:.2rem;word-break:break-word}
.card.in{border-color:var(--in)}.card.in strong{color:var(--in)}
.card.out{border-color:var(--out)}.card.out strong{color:var(--out)}
.card.bal{border-color:var(--bal)}.card.bal strong{color:var(--bal)}

/* toolbar */
.toolbar{display:grid;grid-template-columns:auto 1fr 190px 160px auto auto;gap:.6rem;margin-bottom:1rem;align-items:center}

/* table */
.table-wrap{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
table{width:100%;border-collapse:collapse}
th,td{padding:.75rem .8rem;text-align:left;border-bottom:1px solid var(--line);font-size:.93rem;vertical-align:top}
th{background:#f8fafd;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
td.num,th.num{text-align:right;white-space:nowrap}
tbody tr:hover{background:#fafbff}
.pill{display:inline-block;padding:.15rem .6rem;border-radius:99px;font-size:.78rem;font-weight:700}
.pill.in{background:var(--in-bg);color:var(--in)}
.pill.out{background:var(--out-bg);color:var(--out)}
.amt-in{color:var(--in);font-weight:700}.amt-out{color:var(--out);font-weight:700}
.row-actions{display:flex;gap:.3rem;justify-content:flex-end}
.note{color:var(--muted);max-width:240px;word-break:break-word}
.empty{padding:2.5rem 1rem;text-align:center;color:var(--muted)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,25,50,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50;padding:0}
.modal-card{background:#fff;width:100%;max-width:520px;border-radius:20px 20px 0 0;padding:1.3rem 1.2rem 1.5rem;max-height:92vh;overflow:auto;display:flex;flex-direction:column;gap:.8rem}
.modal-card h3{margin:0}
.modal-card label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;font-weight:600;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.modal-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:.4rem}
.stack{display:flex;flex-direction:column;gap:.6rem}
.filebtn{display:flex;align-items:center;justify-content:center}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.seg label{flex-direction:row;cursor:pointer}
.seg input{display:none}
.seg span{flex:1;text-align:center;padding:.7rem;border:1px solid var(--line);border-radius:10px;font-weight:700;color:var(--muted)}
.seg input[value=in]:checked+span{background:var(--in-bg);color:var(--in);border-color:var(--in)}
.seg input[value=out]:checked+span{background:var(--out-bg);color:var(--out);border-color:var(--out)}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,40px);background:#16202e;color:#fff;padding:.7rem 1.1rem;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:99;font-size:.92rem}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* tablet */
@media (max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .toolbar{grid-template-columns:1fr 1fr}
  .toolbar #addBtn,.toolbar #search{grid-column:1/-1}
}

/* mobile: table -> cards */
@media (max-width:700px){
  .container{padding:.8rem}
  .card strong{font-size:1.15rem}
  .table-wrap{background:transparent;box-shadow:none}
  table,tbody,tr,td{display:block;width:100%}
  thead{display:none}
  tbody tr{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:.7rem;padding:.4rem .2rem}
  td{border:0;padding:.35rem .9rem;display:flex;justify-content:space-between;gap:1rem;text-align:right}
  td::before{content:attr(data-label);color:var(--muted);font-size:.78rem;text-transform:uppercase;text-align:left;flex-shrink:0}
  td.num{text-align:right}
  td:last-child{justify-content:flex-end}
  td:last-child::before{display:none}
  .note{max-width:none}
  .modal-card{padding-bottom:1.8rem}
  .brand{font-size:.95rem}
  .top-actions .btn{padding:.5rem .7rem}
}
@media (min-width:700px){
  .modal{align-items:center;padding:1rem}
  .modal-card{border-radius:20px}
}