:root{
  --bg:#f3f5f8; --panel:#ffffff; --panel2:#f6f8fb; --line:#e4e8ee;
  --text:#1f2430; --muted:#6b7280; --brand:#DDF160; --brand-d:#5e6f00;
  --primary:#3b82f6; --primary-d:#2563eb; --danger:#ef4444; --ok:#16a34a;
  --radius:10px; --shadow:0 4px 18px rgba(20,30,50,.08);
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg); color:var(--text); font-size:14px; line-height:1.45;
}
a{color:var(--brand-d);text-decoration:none}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:16px;margin:24px 0 8px}
.muted{color:var(--muted);margin:2px 0 0}

/* ---- Topbar ---- */
.topbar{
  display:flex;align-items:center;gap:24px;
  background:var(--panel);border-bottom:1px solid var(--line);
  padding:0 22px;height:56px;position:sticky;top:0;z-index:20;
}
.brand{font-weight:800;font-size:18px;letter-spacing:.3px;color:var(--text)}
.brand span{color:var(--brand-d)}
.brand--big{font-size:30px;text-align:center;margin-bottom:18px;display:block}
.topnav{display:flex;gap:6px}
.topnav a{padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:600}
.topnav a:hover{background:var(--panel2);color:var(--text)}
.topnav a.is-active{background:#eef1f6;color:var(--text)}
.topbar__right{margin-left:auto;display:flex;align-items:center;gap:12px}
.topbar__user{color:var(--muted);font-size:13px}
.badge{background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-size:11px;font-weight:700;text-transform:uppercase}
.badge--admin{color:var(--brand-d);border-color:var(--brand)}
.badge--user{color:var(--muted)}

.container{max-width:1040px;margin:0 auto;padding:24px 22px 60px}

/* ---- Page head ---- */
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.userpick select{margin-top:6px}

/* ---- Cards / souhrn ---- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.card--muted{background:#eceef2;border-color:#e2e5ea;box-shadow:none}
.card--muted .card__value{color:#5a6170}
.card--muted .card__label,.card--muted .card__sub{color:#9aa1ad}
.card__label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.card__value{font-size:28px;font-weight:800;margin-top:6px}
.card__value--sm{font-size:20px}
.card__unit{font-size:14px;color:var(--muted);font-weight:600}
.card__sub{color:var(--muted);font-size:12px;margin-top:2px}

/* ---- Filterbar ---- */
.filterbar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}
.seg__btn{background:var(--panel);color:var(--muted);border:0;padding:8px 14px;cursor:pointer;font-weight:600}
.seg__btn:hover{color:var(--text);background:var(--panel2)}
.seg__btn.is-active{background:var(--primary);color:#fff}
.custom-range{display:flex;align-items:center;gap:8px;color:var(--muted)}

/* ---- Tabs ---- */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:0}
.tab{background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);
  padding:10px 16px;cursor:pointer;font-weight:700;font-size:14px}
.tab:hover{color:var(--text)}
.tab.is-active{color:var(--text);border-bottom-color:var(--brand)}
.tab__sum{color:var(--muted);font-weight:600;margin-left:6px;font-size:12px}
.tabpane{display:none;margin-top:14px}
.tabpane.is-active{display:block}

/* ---- Grid (tabulky záznamů) ---- */
.grid{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.grid th{background:var(--panel2);color:var(--muted);text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.3px;padding:10px 12px;font-weight:700;border-bottom:1px solid var(--line)}
.grid td{padding:6px 10px;border-top:1px solid var(--line);vertical-align:middle}
.grid tbody tr:first-child td{border-top:none}
.grid tfoot td{background:var(--panel2);border-top:2px solid var(--line)}
.grid .ta-right,.ta-right{text-align:right}
.grid__add td{background:#f7fcdd}
.row-saved{animation:flashok .8s ease}
@keyframes flashok{0%{background:rgba(22,163,74,.18)}100%{background:transparent}}

/* inputy uvnitř gridu */
.grid input[type=text],.grid input[type=date],.grid input[type=number],.grid select{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:6px;
  color:var(--text);padding:7px 9px;font:inherit
}
.grid__add input,.grid__add select{background:#fff}
.grid input:hover,.grid select:hover{border-color:#c9d0db}
.grid input:focus,.grid select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(59,130,246,.15)}
.f-hours{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.f-amount{text-align:right}

.empty{color:var(--muted);padding:16px 4px}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;
  border:1px solid var(--line);background:var(--panel);color:var(--text);
  padding:9px 14px;border-radius:8px;font:inherit;font-weight:700;line-height:1}
.btn:hover{background:var(--panel2)}
.btn--sm{padding:7px 10px;font-size:13px}
.btn--block{width:100%}
.btn--primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-d)}
.btn--danger{background:transparent;border-color:transparent;color:var(--danger);padding:7px 9px}
.btn--danger:hover{background:rgba(239,68,68,.1)}
.btn--ghost{background:var(--panel)}

/* ---- Login ---- */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:30px 28px;width:340px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.login-card label,.modal label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:13px;color:var(--muted)}
.login-card input,.modal input,.modal select{
  background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px 12px;font:inherit}
.login-card input:focus,.modal input:focus,.modal select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(59,130,246,.15)}

/* ---- Alerts ---- */
.alert{border-radius:8px;padding:10px 12px;font-size:13px}
.alert--error{background:#fdecec;border:1px solid #f3b4b4;color:#b42323}

/* ---- Modal ---- */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center}
.modal[hidden]{display:none}
.modal__backdrop{position:absolute;inset:0;background:rgba(20,30,50,.45)}
.modal__box{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:24px;width:440px;max-width:92vw;box-shadow:0 20px 60px rgba(20,30,50,.25);display:flex;flex-direction:column;gap:12px}
.modal__box h2{margin:0 0 6px}
.modal form{display:flex;flex-direction:column;gap:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pwd-row{display:flex;align-items:flex-end;gap:10px}
.pwd-row__field{flex:1}
.hint{color:var(--muted);font-size:12px;margin:0}
.modal__actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}

select{background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:8px 10px;font:inherit}
input[type=date],input[type=text],input[type=email],input[type=password],input[type=number]{color:var(--text)}

/* ---- Našeptávač času ---- */
.ac-box{position:absolute;z-index:60;background:#fff;border:1px solid var(--line);border-radius:8px;
  box-shadow:var(--shadow);max-height:200px;overflow:auto;padding:4px}
.ac-item{padding:6px 10px;border-radius:6px;cursor:pointer;font-variant-numeric:tabular-nums}
.ac-item:hover,.ac-item.is-active{background:#eef1f6}

@media (max-width:760px){
  .cards{grid-template-columns:repeat(2,1fr)}
}