:root{
  --bg:#f6f5f2; --card:#fff; --ink:#1d2226; --muted:#6b7378; --line:#e3e0da;
  --accent:#0f5c63; --accent-ink:#fff; --accent-soft:#e3efef;
  --ok:#2e7d4f; --ok-soft:#e5f3ea; --warn:#a15c00; --warn-soft:#fbf0dc;
  --err:#b3261e; --err-soft:#fbe9e7; --info:#1f5fa8; --info-soft:#e6eef9;
  --r:8px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 -apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent)}
main{max-width:1180px;margin:0 auto;padding:24px 16px 64px}
main.narrow{max-width:760px}
h1{font-size:24px;margin:0 0 16px}
h2{font-size:17px;margin:24px 0 10px}
h2 small{font-weight:400;color:var(--muted);font-size:13px}

/* top bar */
.top{display:flex;align-items:center;gap:24px;padding:10px 20px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;font-size:18px;text-decoration:none;color:var(--ink);letter-spacing:.02em}
.brand span,.login h1 span{color:var(--accent);font-weight:500}
.top nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.top nav a{padding:6px 12px;border-radius:6px;text-decoration:none;color:var(--ink)}
.top nav a.on,.top nav a:hover{background:var(--accent-soft);color:var(--accent)}
.who{color:var(--muted);font-size:13px}

/* cards & forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-bottom:16px}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}
label.check{display:flex;gap:8px;align-items:center;color:var(--ink);font-size:14px;margin:12px 0}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid #cfcac2;border-radius:6px;font:inherit;color:var(--ink);background:#fff;margin-top:3px}
input[type=checkbox]{width:auto;margin:0}
textarea{min-height:60px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 16px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:0 16px}
@media (max-width:760px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.hint{color:var(--muted);font-size:13px;margin:4px 0 12px}

.btn{display:inline-block;padding:8px 16px;border-radius:6px;border:1px solid #cfcac2;background:#fff;color:var(--ink);font:inherit;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.1);color:#fff}
.btn.danger{color:var(--err);border-color:#e7b6b2}
.btn.small{padding:4px 10px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.toolbar h1{margin:0}
.filters{display:flex;gap:8px;align-items:end;flex-wrap:wrap}
.filters label{margin:0}
.filters input,.filters select{width:auto}

.flash{padding:10px 14px;border-radius:6px;margin-bottom:16px}
.flash.ok{background:var(--ok-soft);color:var(--ok)}
.flash.err{background:var(--err-soft);color:var(--err)}
.flash.warn{background:var(--warn-soft);color:var(--warn)}

/* tables */
table.list{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.list th,.list td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.list th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#faf9f7;font-weight:600}
.list tr:last-child td{border-bottom:0}
.list tr:hover td{background:#fbfaf8}
.num{text-align:right!important;font-variant-numeric:tabular-nums;white-space:nowrap}
.list td.client{max-width:360px}
.muted{color:var(--muted)}
.table-wrap{overflow-x:auto}

.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;white-space:nowrap}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.warn{background:var(--warn-soft);color:var(--warn)}
.badge.info{background:var(--info-soft);color:var(--info)}
.badge.muted{background:#eeece8;color:var(--muted)}
.badge.err{background:var(--err-soft);color:var(--err)}

/* summary tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:16px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.tile b{display:block;font-size:22px;font-variant-numeric:tabular-nums;margin-top:2px}
.tile span{font-size:13px;color:var(--muted)}
.tile.debt b{color:var(--warn)}

/* invoice lines editor */
table.lines{width:100%;border-collapse:collapse}
.lines th{font-size:12px;color:var(--muted);text-align:left;padding:4px 6px;font-weight:600}
.lines td{padding:4px 6px;vertical-align:top}
.lines td textarea{min-height:58px;margin:0}
.lines td input,.lines td select{margin:0}
.lines .c-chars{width:110px}.lines .c-qty{width:120px}.lines .c-unit{width:90px}
.lines .c-price{width:120px}.lines .c-sum{width:130px}.lines .c-del{width:36px}
.lines .sum{padding-top:12px;text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.lines .vat{display:block;color:var(--muted);font-size:12px}
.del{border:0;background:none;color:var(--muted);font-size:20px;cursor:pointer;padding:6px}
.del:hover{color:var(--err)}
.totals{margin-left:auto;max-width:360px;margin-top:12px}
.totals div{display:flex;justify-content:space-between;padding:3px 0;font-variant-numeric:tabular-nums}
.totals .grand{font-weight:700;font-size:17px;border-top:1px solid var(--line);padding-top:8px;margin-top:4px}
.words{color:var(--muted);font-size:13px;text-align:right;margin-top:4px}
@media (max-width:860px){
  .lines thead{display:none}
  .lines tr{display:grid;grid-template-columns:1fr 1fr;gap:6px;border-bottom:1px solid var(--line);padding:8px 0}
  .lines td{padding:0}.lines td:first-child{grid-column:1/-1}
  .lines .c-chars,.lines .c-qty,.lines .c-unit,.lines .c-price,.lines .c-sum{width:auto}
}

/* view */
.doc-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:160px 1fr;gap:4px 12px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0}
.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}
.status-grid form{background:#faf9f7;border:1px solid var(--line);border-radius:6px;padding:12px}
.status-grid h3{margin:0 0 8px;font-size:14px}

.login{max-width:360px;margin:12vh auto 0}
.login h1{text-align:center;font-size:28px;margin-bottom:20px}