:root {
  --bg: #f4f7fb; --card: #fff; --text: #14213d; --muted: #64748b; --line: #dbe3ee;
  --primary: #1d4ed8; --primary-d: #1e40af; --primary-t: #fff; --accent: #1d4ed8;
  --ok: #15803d; --ok-bg: #dcfce7; --warn: #a16207; --warn-bg: #fef3c7; --err: #b91c1c; --err-bg: #fee2e2;
  --head: #fff; --head-text: #14213d; --row: #f8fafc; --shadow: 0 1px 3px rgba(15,23,42,.08), 0 4px 12px rgba(15,23,42,.04);
}
[data-theme="dark"] {
  --bg: #1b1c1f; --card: #26282c; --text: #ececec; --muted: #9a9ea6; --line: #3a3d43;
  --primary: #d4a72c; --primary-d: #b98f1c; --primary-t: #1b1c1f; --accent: #d4a72c;
  --ok: #4ade80; --ok-bg: #1f3a2a; --warn: #fbbf24; --warn-bg: #3b3220; --err: #f87171; --err-bg: #432222;
  --head: #222427; --head-text: #ececec; --row: #2b2d31; --shadow: none;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: .2em 0 .6em; }
h2 { font-size: 1.15rem; margin: 1.4em 0 .5em; }
main { max-width: 1280px; margin: 0 auto; padding: 18px 16px 60px; }
.top { background: var(--head); color: var(--head-text); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 18px; padding: 0 16px; position: sticky; top: 0; z-index: 20; flex-wrap: wrap; }
.brand { font-weight: 700; padding: 12px 0; }
.brand span { color: var(--accent); font-weight: 600; }
.top nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.top nav a { color: var(--head-text); text-decoration: none; padding: 14px 11px; border-bottom: 3px solid transparent; font-weight: 500; }
.top nav a:hover { color: var(--accent); }
.top nav a.on { border-bottom-color: var(--accent); color: var(--accent); }
.user { font-size: .9rem; color: var(--muted); }
.menu-btn { display: none; background: none; border: 0; color: inherit; font-size: 1.5rem; margin-left: auto; }
.theme-btn { background: none; border: 1px solid var(--line); border-radius: 8px; color: inherit; cursor: pointer; width: 34px; height: 30px; }
.theme-btn::before { content: "🌙"; } [data-theme="dark"] .theme-btn::before { content: "☀"; }
@media (max-width: 900px) {
  .menu-btn { display: block; } .top nav { display: none; flex-basis: 100%; flex-direction: column; } .nav-open .top nav { display: flex; }
  .top .user { order: 3; flex-basis: 100%; padding-bottom: 8px; }
}
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; box-shadow: var(--shadow); margin-bottom: 16px; }
.login { max-width: 400px; margin: 60px auto; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); color: var(--ok); } .flash.err { background: var(--err-bg); color: var(--err); } .flash.warn { background: var(--warn-bg); color: var(--warn); }
.hint { color: var(--muted); font-size: .9rem; }
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 3px; font-weight: 600; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=email], input[type=search], input[type=tel], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); font: inherit; }
textarea { min-height: 90px; font-family: ui-monospace, Consolas, monospace; font-size: .85rem; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.btn, button.btn { display: inline-block; background: var(--primary); color: var(--primary-t); border: 0; border-radius: 8px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--primary-d); }
.btn.sec { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.danger { background: var(--err); color: #fff; }
.btn.sm { padding: 4px 10px; font-size: .85rem; }
.grid { display: grid; gap: 12px; } .g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 800px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
.row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; } .row > * { flex: 1; min-width: 120px; } .row > .auto { flex: 0 0 auto; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; color: var(--muted); font-size: .9rem; }
.stat b { display: block; font-size: 1.45rem; color: var(--text); margin-top: 2px; }
.stat.err b { color: var(--err); } .stat.warn b { color: var(--warn); }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: var(--row); white-space: nowrap; }
tr:last-child td { border-bottom: 0; } tbody tr:hover td { background: var(--row); }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
tr.low td { background: var(--warn-bg); } tr.bad td { background: var(--err-bg); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: .78rem; font-weight: 600; background: var(--row); color: var(--muted); border: 1px solid var(--line); }
.badge.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; } .badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; } .badge.err { background: var(--err-bg); color: var(--err); border-color: transparent; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; } .toolbar .grow { flex: 1; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; } .tabs a { padding: 6px 14px; border-radius: 99px; border: 1px solid var(--line); text-decoration: none; color: var(--text); } .tabs a.on { background: var(--primary); color: var(--primary-t); border-color: var(--primary); }
pre.raw { background: var(--row); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow: auto; max-height: 420px; font-size: .8rem; white-space: pre; }
.pick { position: relative; } .pick-list { position: absolute; left: 0; right: 0; top: 100%; z-index: 30; background: var(--card); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.18); max-height: 280px; overflow: auto; min-width: 280px; }
.pick-list div { padding: 7px 10px; cursor: pointer; border-bottom: 1px solid var(--line); } .pick-list div:hover, .pick-list div.hl { background: var(--row); } .pick-list small { color: var(--muted); }
.line-in td { padding: 5px 6px; } .line-in input, .line-in select { padding: 5px 7px; }
.ok-t { color: var(--ok); } .err-t { color: var(--err); } .warn-t { color: var(--warn); } .muted { color: var(--muted); }
.right { text-align: right; } .nowrap { white-space: nowrap; }
.inline { display: inline; }

/* ---------- POS ---------- */
body.pos-page { height: 100vh; overflow: hidden; background: var(--bg); }
.pos-main { max-width: none; padding: 0; height: 100vh; }
.pos { display: grid; grid-template-columns: 1fr 380px; grid-template-rows: auto 1fr; height: 100vh; }
.pos-top { grid-column: 1 / -1; background: var(--head); color: var(--head-text); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 14px; padding: 8px 14px; }
.pos-top .grow { flex: 1; } .pos-top a { color: var(--head-text); text-decoration: none; padding: 4px 8px; border-radius: 6px; } .pos-top a:hover { background: var(--row); }
.pos-left { display: flex; flex-direction: column; min-height: 0; padding: 12px; gap: 10px; }
.scan { display: flex; gap: 8px; position: relative; }
.scan input { font-size: 1.35rem; padding: 12px 14px; border-width: 2px; border-color: var(--accent); }
.cart { flex: 1; overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.cart table td, .cart table th { padding: 8px 10px; }
.cart .qty { display: inline-flex; align-items: center; gap: 4px; } .cart .qty button { width: 34px; height: 34px; font-size: 1.2rem; border: 1px solid var(--line); background: var(--row); color: var(--text); border-radius: 8px; cursor: pointer; }
.cart .qty input { width: 64px; text-align: center; padding: 6px; }
.cart .x { background: none; border: 0; color: var(--err); font-size: 1.3rem; cursor: pointer; }
.cart-empty { padding: 60px 20px; text-align: center; color: var(--muted); }
.pos-right { background: var(--card); border-left: 1px solid var(--line); padding: 14px; display: flex; flex-direction: column; gap: 10px; min-height: 0; overflow: auto; }
.total-box { background: var(--primary); color: var(--primary-t); border-radius: 14px; padding: 16px; text-align: right; }
.total-box small { opacity: .85; display: block; } .total-box b { font-size: 2.6rem; font-variant-numeric: tabular-nums; line-height: 1.1; }
.pay-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pay-btns button { padding: 22px 8px; font-size: 1.15rem; border-radius: 12px; border: 0; cursor: pointer; font-weight: 700; }
.pay-btns .cash { background: #15803d; color: #fff; } .pay-btns .card-b { background: #1d4ed8; color: #fff; } .pay-btns .mixed { background: var(--row); color: var(--text); border: 1px solid var(--line); padding: 14px; font-size: 1rem; }
.pay-btns .hold { background: var(--row); color: var(--text); border: 1px solid var(--line); padding: 14px; font-size: 1rem; }
.pay-btns button:disabled { opacity: .4; cursor: not-allowed; }
.pos-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #111; color: #fff; padding: 12px 22px; border-radius: 10px; z-index: 100; font-size: 1.05rem; opacity: 0; transition: opacity .2s; pointer-events: none; }
.pos-toast.show { opacity: 1; } .pos-toast.err { background: #b91c1c; } .pos-toast.ok { background: #15803d; }
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: none; align-items: center; justify-content: center; z-index: 90; padding: 12px; }
.modal-bg.open { display: flex; }
.modal { background: var(--card); border-radius: 14px; padding: 20px; width: 460px; max-width: 100%; max-height: 92vh; overflow: auto; }
.modal h2 { margin-top: 0; }
.modal .big { font-size: 1.6rem; text-align: right; font-weight: 700; }
.keypad { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 8px 0; } .keypad button { padding: 12px 0; font-size: 1rem; border-radius: 8px; border: 1px solid var(--line); background: var(--row); color: var(--text); cursor: pointer; }
.search-list { position: absolute; top: 100%; left: 0; right: 0; z-index: 40; background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.25); max-height: 50vh; overflow: auto; }
.search-list div { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 10px; } .search-list div:hover, .search-list div.hl { background: var(--row); }
@media (max-width: 900px) { body.pos-page { overflow: auto; height: auto; } .pos-main, .pos { height: auto; } .pos { grid-template-columns: 1fr; } .pos-left { min-height: 50vh; } .pos-right { border-left: 0; border-top: 1px solid var(--line); } }

/* ---------- Бележка ---------- */
.receipt { width: 80mm; max-width: 100%; margin: 0 auto; background: #fff; color: #000; font: 12px/1.35 "DejaVu Sans Mono", Consolas, monospace; padding: 8px; }
.receipt h3 { text-align: center; margin: 0 0 4px; font-size: 14px; } .receipt .c { text-align: center; } .receipt hr { border: 0; border-top: 1px dashed #000; margin: 6px 0; }
.receipt table { width: 100%; } .receipt td { border: 0; padding: 1px 0; background: none !important; } .receipt td.r { text-align: right; white-space: nowrap; }
.receipt .nf { text-align: center; font-weight: 700; border: 1px solid #000; padding: 3px; margin: 6px 0; }
@media print { body { background: #fff; } .no-print, .top { display: none !important; } main { padding: 0; max-width: none; } .receipt { width: 100%; } }