/* S&B Group POS — navy + gold */
:root {
  --navy: #10243e; --navy2: #1b3a5f; --gold: #c9a227; --gold2: #e3c766;
  --bg: #f4f6f9; --card: #ffffff; --ink: #1c2733; --muted: #6b7a8a;
  --red: #c0392b; --green: #1e8449; --line: #dde3ea;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--ink); }
.hidden { display: none !important; }
button { cursor: pointer; font: inherit; }
input, select, textarea { font: inherit; padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
input:focus, select:focus { outline: 2px solid var(--gold2); border-color: var(--gold); }
h3 { margin: 0; } h4 { margin: 0 0 6px; }

/* Buttons */
.btn { border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 9px; padding: 8px 14px; }
.btn:hover { border-color: var(--gold); }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #fff; font-weight: 600; }
.btn-gold:hover { background: var(--gold2); color: var(--navy); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn-small { padding: 5px 10px; font-size: 13px; }
.btn-big { width: 100%; padding: 13px; font-size: 17px; margin-top: 10px; }

/* Location picker */
.loc-wrap { max-width: 880px; margin: 0 auto; padding: 34px 18px 60px; text-align: center; }
.loc-logo { max-height: 74px; }
.loc-title { color: var(--navy); margin: 10px 0 2px; font-size: 30px; }
.loc-sub { color: var(--muted); margin: 0 0 24px; }
.loc-family { text-align: left; margin: 22px 0 8px; color: var(--navy); font-size: 15px; text-transform: uppercase; letter-spacing: .04em; }
.loc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.loc-btn { background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--gold); border-radius: 12px; padding: 16px; text-align: left; }
.loc-btn:hover { box-shadow: 0 4px 16px rgba(16,36,62,.12); }
.loc-btn .loc-name { font-weight: 700; color: var(--navy); font-size: 16px; }
.loc-btn .loc-label { color: var(--muted); font-size: 13px; margin-top: 3px; }

/* Top bar + tabs */
.topbar { display: flex; align-items: center; gap: 14px; background: var(--navy); color: #fff; padding: 10px 16px; position: sticky; top: 0; z-index: 30; }
.top-logo { height: 40px; background: #fff; border-radius: 6px; padding: 3px; }
.top-store { flex: 1; min-width: 0; }
.hdr-store { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hdr-user { font-size: 12.5px; color: var(--gold2); }
.top-actions { display: flex; gap: 8px; }
.tabs { display: flex; gap: 2px; overflow-x: auto; background: var(--navy2); padding: 0 10px; position: sticky; top: 60px; z-index: 29; }
.tab { background: transparent; border: none; color: #cfd9e4; padding: 11px 13px; white-space: nowrap; font-size: 14px; border-bottom: 3px solid transparent; }
.tab.active { color: #fff; border-bottom-color: var(--gold); font-weight: 600; }
main { padding: 16px; max-width: 1440px; margin: 0 auto; }
.pane-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.pane-head label { font-size: 13px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.summary-line { font-weight: 600; color: var(--navy); }

/* Register */
.register-layout { display: grid; grid-template-columns: 1fr 340px; gap: 16px; align-items: start; }
@media (max-width: 980px) { .register-layout { grid-template-columns: 1fr; } }
.catalog-tools { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 5px 12px; font-size: 13px; }
.chip.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px; text-align: left; position: relative; }
.tile:hover { box-shadow: 0 4px 14px rgba(16,36,62,.13); }
.tile img { width: 100%; height: 120px; object-fit: contain; background: #fbfbfc; border-radius: 8px; }
.tile .t-name { font-weight: 600; font-size: 13.5px; margin-top: 7px; min-height: 34px; }
.tile .t-price { color: var(--navy); font-weight: 700; }
.tile .t-cat { color: var(--muted); font-size: 11.5px; }
.dcode { color: #9aa7b4; font-size: 11.5px; font-weight: 600; letter-spacing: .03em; }
.dcode.below { color: var(--red); }
.tile .dcode { position: absolute; top: 8px; right: 10px; background: rgba(255,255,255,.85); padding: 1px 5px; border-radius: 5px; }

.sale-panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; position: sticky; top: 118px; }
.sale-head { display: flex; justify-content: space-between; align-items: center; }
.sale-head h3 { color: var(--navy); }
.sale-lines { min-height: 40px; margin: 8px 0; }
.sale-line { border-bottom: 1px dashed var(--line); padding: 7px 0; font-size: 13.5px; }
.sale-line .sl-top { display: flex; justify-content: space-between; gap: 8px; }
.sale-line .sl-name { font-weight: 600; }
.sale-line .sl-ctl { display: flex; gap: 5px; align-items: center; margin-top: 4px; color: var(--muted); font-size: 12.5px; }
.sale-line button { border: 1px solid var(--line); background: #fff; border-radius: 6px; width: 24px; height: 24px; line-height: 1; }
.sale-line .custom-tag { color: var(--gold); font-weight: 700; font-size: 11px; }
.sale-line .note { color: var(--muted); font-style: italic; }
.sale-fields { display: flex; flex-direction: column; gap: 7px; margin-top: 8px; }
.sale-fields label { font-size: 12.5px; color: var(--muted); display: flex; flex-direction: column; gap: 3px; }
.change-line { font-size: 13.5px; font-weight: 700; color: var(--green); min-height: 18px; }
.sale-totals { border-top: 2px solid var(--navy); margin-top: 8px; padding-top: 8px; }
.sale-totals div { display: flex; justify-content: space-between; padding: 2px 0; }
.sale-totals .grand { font-size: 18px; color: var(--navy); }

/* Tables & lists */
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; font-size: 13.5px; vertical-align: top; }
th { background: var(--navy); color: #fff; font-weight: 600; }
tr:last-child td { border-bottom: none; }
.row-click { cursor: pointer; } .row-click:hover td { background: #fdf6dd; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 12px; }
.alert-red { background: #fdecea; border: 1px solid var(--red); color: var(--red); border-radius: 10px; padding: 10px 13px; font-weight: 700; margin-bottom: 12px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.alert-green { background: #eafaf1; border: 1px solid var(--green); color: var(--green); border-radius: 10px; padding: 10px 13px; font-weight: 600; margin-bottom: 12px; }
.muted { color: var(--muted); } .red { color: var(--red); } .green { color: var(--green); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 700; background: #eef2f6; color: var(--navy); }
.badge.on { background: #eafaf1; color: var(--green); }
.badge.off { background: #fdecea; color: var(--red); }
.count-code { font-size: 20px; font-weight: 800; color: var(--navy); letter-spacing: .2em; }

/* Modal + PIN pad */
.backdrop { position: fixed; inset: 0; background: rgba(10, 22, 38, .55); display: flex; align-items: flex-start; justify-content: center; padding: 30px 12px; z-index: 100; overflow-y: auto; }
.modal { background: #fff; border-radius: 16px; max-width: 560px; width: 100%; padding: 20px; box-shadow: 0 18px 50px rgba(0,0,0,.3); }
.modal.wide { max-width: 720px; }
.modal h3 { color: var(--navy); margin-bottom: 10px; }
.modal .m-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.modal label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 3px; margin-bottom: 8px; }
.pin-dots { display: flex; gap: 10px; justify-content: center; margin: 12px 0; }
.pin-dots span { width: 15px; height: 15px; border-radius: 50%; border: 2px solid var(--navy); }
.pin-dots span.full { background: var(--gold); border-color: var(--gold); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 74px); gap: 9px; justify-content: center; }
.pin-pad button { padding: 13px 0; font-size: 19px; border-radius: 11px; border: 1px solid var(--line); background: #fff; }
.pin-pad button:hover { background: #fdf6dd; }

/* Receipt */
.receipt { font-size: 14px; line-height: 1.45; }
.receipt .r-store { font-size: 19px; font-weight: 800; color: var(--navy); text-align: center; }
.receipt .r-addr { font-weight: 700; text-align: center; }
.receipt .r-meta { text-align: center; color: var(--muted); font-size: 12.5px; }
.receipt table { border: none; } .receipt th { background: none; color: var(--ink); border-bottom: 2px solid var(--navy); }
.receipt .policy { border: 2px solid var(--navy); border-radius: 9px; padding: 10px 12px; margin-top: 14px; font-size: 13px; text-align: center; }
.prod-photo { width: 100%; max-height: 260px; object-fit: contain; background: #fbfbfc; border-radius: 10px; }

/* Guide */
.guide { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; max-width: 860px; line-height: 1.55; }
.guide h2 { color: var(--navy); margin-top: 22px; } .guide h2:first-child { margin-top: 0; }
.guide li { margin-bottom: 4px; }

.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--navy); color: #fff; padding: 11px 19px; border-radius: 999px; z-index: 200; box-shadow: 0 8px 24px rgba(0,0,0,.28); font-size: 14px; max-width: 92vw; text-align: center; }
.admin-box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; max-width: 720px; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin: 10px 0; }
.kv .kv-box { background: #f8fafc; border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.kv .kv-box .kv-v { font-size: 19px; font-weight: 800; color: var(--navy); }
.kv .kv-box .kv-k { font-size: 12px; color: var(--muted); }