:root{
  --bg:#f4f5f7; --surface:#ffffff; --surface-2:#f0f2f5; --line:#dfe3e8;
  --ink:#141a1f; --ink-soft:#5b6672; --ink-faint:#8a94a0;
  --accent:#1f6feb; --accent-ink:#ffffff;
  --pos:#137a4b; --neg:#c02626; --warn:#9a6a00; --warn-bg:#fff4d6;
  --radius:10px; --radius-sm:7px; --shadow:0 1px 2px rgba(20,26,31,.06),0 2px 8px rgba(20,26,31,.05);
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Roboto Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0f1419; --surface:#171d24; --surface-2:#1e252d; --line:#2a323b;
    --ink:#e6eaef; --ink-soft:#9aa6b2; --ink-faint:#6b7682;
    --accent:#4f8df5; --pos:#3fb67e; --neg:#f06767; --warn:#e0b34a; --warn-bg:#3a3116;
    --shadow:0 1px 2px rgba(0,0,0,.3);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.45;padding-bottom:env(safe-area-inset-bottom);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
.page-title{font-size:1.35rem;font-weight:650;margin:.2em 0 .7em}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.pos{color:var(--pos)} .neg{color:var(--neg)}
.muted{color:var(--ink-soft)} .faint{color:var(--ink-faint);font-size:.85em}

/* ---------- Topbar ---------- */
.topbar{
  display:flex;align-items:center;gap:.6rem;padding:.55rem .9rem;
  background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
  padding-top:calc(.55rem + env(safe-area-inset-top));
}
.brand{font-weight:700;letter-spacing:.02em;color:var(--ink);font-size:1.05rem}
.brand:hover{text-decoration:none}
.firm-switch{margin-left:auto;min-width:0}
.firm-switch select{max-width:52vw}
.user-box{display:flex;align-items:center;gap:.5rem}
.uname{display:none;color:var(--ink-soft);font-size:.85rem}
.btn-link{font-size:.85rem}

/* ---------- Nav ---------- */
.mainnav{
  position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mainnav a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:.4rem 0 .35rem;color:var(--ink-soft);font-size:.68rem;text-decoration:none;
}
.mainnav a .ico{font-size:1.2rem;line-height:1}
.mainnav a[aria-current=page]{color:var(--accent)}
.mainnav a:hover{text-decoration:none;color:var(--ink)}

/* ---------- Layout ---------- */
.wrap{max-width:1100px;margin:0 auto;padding:.9rem .9rem 5.5rem}
.foot{display:none}

/* ---------- Cards / panels ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:1rem;margin-bottom:1rem}
.card h2{font-size:1.05rem;margin-top:0}
.grid{display:grid;gap:1rem}
@media(min-width:720px){.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:1fr 1fr 1fr}}

/* ---------- Flash ---------- */
.flash{padding:.7rem .9rem;border-radius:var(--radius-sm);margin-bottom:.8rem;border:1px solid transparent}
.flash-ok{background:#e7f6ec;color:#0f5c37;border-color:#bfe6cd}
.flash-err{background:#fdeaea;color:#8f1d1d;border-color:#f2c4c4}
.flash-info{background:#e8f0fe;color:#1a458f;border-color:#c3d6f7}
@media (prefers-color-scheme: dark){
  .flash-ok{background:#12301f;color:#7fd6a3;border-color:#1d4a30}
  .flash-err{background:#331414;color:#f0a0a0;border-color:#5a2020}
  .flash-info{background:#12233f;color:#9cc0f5;border-color:#1e3a63}
}

/* ---------- Forms ---------- */
label{display:block;font-size:.82rem;color:var(--ink-soft);margin:.6rem 0 .2rem;font-weight:600}
input,select,textarea{
  width:100%;font:inherit;color:var(--ink);background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:.6rem .65rem;min-height:44px;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
textarea{min-height:80px;resize:vertical}
input[type=checkbox]{width:22px;height:22px;min-height:0;vertical-align:middle}
.check-row{display:flex;align-items:center;gap:.55rem;margin:.7rem 0}
.check-row label{margin:0}
.field-row{display:grid;gap:.6rem}
@media(min-width:640px){.field-row.two{grid-template-columns:1fr 1fr}.field-row.three{grid-template-columns:1fr 1fr 1fr}}
.hint{font-size:.78rem;color:var(--ink-faint);margin-top:.2rem}
fieldset{border:1px solid var(--line);border-radius:var(--radius-sm);padding:.6rem .8rem;margin:.8rem 0}
legend{font-size:.8rem;color:var(--ink-soft);font-weight:700;padding:0 .3rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  border-radius:var(--radius-sm);padding:.6rem 1rem;min-height:44px;font:inherit;font-weight:600;
  cursor:pointer;text-decoration:none}
.btn:hover{text-decoration:none;background:var(--surface-2)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.05);background:var(--accent)}
.btn-danger{color:var(--neg);border-color:var(--neg)}
.btn-sm{padding:.35rem .6rem;min-height:36px;font-size:.85rem}
.btn-block{width:100%}
.btn-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}

/* ---------- Tables ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -.2rem}
table.data{width:100%;border-collapse:collapse;font-size:.9rem}
table.data th,table.data td{padding:.5rem .55rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.data th{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);white-space:nowrap}
table.data tbody tr:hover{background:var(--surface-2)}
table.data td.num,table.data th.num{text-align:right}
tr.is-deleted{opacity:.55;text-decoration:line-through}
tr.is-prep{background:repeating-linear-gradient(45deg,transparent,transparent 8px,var(--warn-bg) 8px,var(--warn-bg) 9px)}

/* ---------- Badges ---------- */
.badge{display:inline-block;font-size:.68rem;font-weight:700;padding:.12rem .45rem;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em}
.badge-prep{background:var(--warn-bg);color:var(--warn);border-color:transparent}
.badge-del{background:#fdeaea;color:var(--neg);border-color:transparent}
.badge-transit{background:#eef;color:#3a3ad0;border-color:transparent}
.badge-role{background:var(--surface-2)}

/* ---------- Filters ---------- */
.filters{display:grid;gap:.6rem;margin-bottom:1rem}
@media(min-width:640px){.filters{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));align-items:end}}
.filters label{margin:.2rem 0 .15rem}

/* ---------- Amount box (booking form) ---------- */
.amount-big{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.4rem;text-align:right}

/* ---------- Login ---------- */
.auth{max-width:380px;margin:8vh auto;padding:0 1rem}
.auth .card{padding:1.4rem}
.auth h1{font-size:1.3rem;text-align:center}

/* ---------- Summary strip ---------- */
.summary{display:flex;gap:1rem;flex-wrap:wrap;margin:.5rem 0 1rem}
.summary .stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:.7rem .9rem;flex:1;min-width:120px;box-shadow:var(--shadow)}
.summary .stat .k{font-size:.72rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em}
.summary .stat .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:600;margin-top:.15rem}

.list-actions{display:flex;justify-content:space-between;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.8rem}
.tools{display:flex;gap:.5rem;flex-wrap:wrap}
.audit-item{border-left:3px solid var(--line);padding:.35rem .7rem;margin:.4rem 0;font-size:.85rem}
.audit-item .who{font-weight:600}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;font-size:.9rem}
.kv dt{color:var(--ink-soft)} .kv dd{margin:0}
.receipt-thumb{max-width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);margin-top:.5rem}

/* ---------- Desktop refinements ---------- */
@media(min-width:820px){
  .uname{display:inline}
  .mainnav{position:sticky;top:0;bottom:auto;border-top:none;border-bottom:1px solid var(--line);
    max-width:1100px;margin:0 auto;background:transparent}
  .mainnav a{flex:0 0 auto;flex-direction:row;gap:.4rem;padding:.7rem 1rem;font-size:.9rem}
  .mainnav a .ico{font-size:1rem}
  .wrap{padding-bottom:2rem}
  .foot{display:block;text-align:center;color:var(--ink-faint);font-size:.8rem;padding:1.5rem}
  .firm-switch select{max-width:280px}
}