/* Sandėlis – stiliai. Sisteminiai šriftai (be Google Fonts – nereikia GDPR sutikimo) */
:root {
  --bg: #F4F5F2; --surface: #FFFFFF; --line: #E3E5E0; --line2: #EEF0EC;
  --ink: #17191B; --muted: #5C6166; --accent: #0B6B5D; --accent-ink: #FFFFFF;
  --ok-bg: #E7F4EA; --ok: #146C2E; --low-bg: #FFF1E0; --low: #8A4300; --out-bg: #FDECEA; --out: #A3201A;
  --none-bg: #EEF0EC; --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
[x-cloak] { display: none !important; }
button { font: inherit; cursor: pointer; }
input { font: inherit; color: inherit; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { color: var(--accent); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.r { text-align: right; }
.nowrap { white-space: nowrap; }
.strong { font-weight: 600; }
.plus { color: var(--ok); } .minus { color: var(--out); }

/* Išdėstymas */
.layout { min-height: 100vh; display: flex; flex-wrap: wrap; }
.side { flex: 1 1 220px; max-width: 100%; background: var(--ink); color: #F4F5F2; padding: 24px 16px; display: flex; flex-direction: column; gap: 28px; }
.brand { display: flex; flex-direction: column; padding: 0 8px; }
.brand strong { font-size: 18px; }
.brand span { font-size: 13px; color: #A9AFB4; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav button { display: flex; justify-content: space-between; align-items: center; min-height: 44px; padding: 0 12px; border: 0; border-radius: 8px; background: transparent; color: #D2D6D9; text-align: left; }
.nav button.active { background: var(--accent); color: #fff; font-weight: 600; }
.pill { min-width: 22px; padding: 2px 7px; border-radius: 999px; background: #E8833A; color: var(--ink); font-size: 12px; font-weight: 600; text-align: center; }
.nav button.active .pill { background: #fff; color: #0B4F45; }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.sync-box { padding: 12px; border-radius: 10px; background: #23272A; font-size: 13px; display: flex; gap: 8px; align-items: center; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #4CC38A; flex-shrink: 0; }
.user { font-size: 13px; color: #A9AFB4; padding: 0 8px; }
.user a { color: #D2D6D9; }
.main { flex: 999 1 560px; min-width: 0; padding: 32px clamp(16px, 4vw, 48px) 64px; display: flex; flex-direction: column; gap: 20px; }
.head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; }
.head h1 { margin: 0; font-size: 28px; letter-spacing: -0.02em; }
.head p { margin: 4px 0 0; font-size: 14px; }
section { display: flex; flex-direction: column; gap: 16px; }

/* Mygtukai */
.btn { height: 44px; padding: 0 16px; border-radius: 8px; border: 1px solid #D5D8D3; background: var(--surface); color: var(--ink); font-weight: 500; }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn-go { background: #4CC38A; border: 0; color: #0E2A1D; font-weight: 600; }
.btn-ghost { background: transparent; border-color: #4A5055; color: #fff; }
.btn-block { width: 100%; }
.link { background: none; border: 0; padding: 0; color: var(--accent); text-decoration: underline; }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; }
.kpi span { font-size: 13px; color: var(--muted); }
.kpi b { font: 600 26px var(--mono); }
.kpi-low { background: var(--low-bg); border-color: #F5D9B5; } .kpi-low span, .kpi-low b { color: var(--low); }
.kpi-out { background: var(--out-bg); border-color: #F3C7C2; } .kpi-out span, .kpi-out b { color: var(--out); }

/* Įrankių juosta */
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.search { flex: 1 1 280px; }
.search input, .auth-card input { width: 100%; height: 44px; padding: 0 14px; border: 1px solid #D5D8D3; border-radius: 8px; background: var(--surface); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button { height: 44px; padding: 0 14px; border-radius: 8px; border: 1px solid #D5D8D3; background: var(--surface); color: var(--ink); }
.filters button i { font: normal 13px var(--mono); color: var(--muted); margin-left: 4px; }
.filters button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.filters button.on i { color: #C9CDD1; }

.savebar { position: sticky; top: 8px; z-index: 5; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #fff; }
.savebar > div { display: flex; gap: 8px; }

/* Lentelė */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 720px; border-collapse: collapse; }
th { padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
th.r { text-align: right; }
td { padding: 8px 16px; border-top: 1px solid var(--line2); vertical-align: middle; }
tr.changed td { background: #F3FAF7; }
.name { font-weight: 500; }
.sku { font: 12px var(--mono); color: var(--muted); }
.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-ok { background: var(--ok-bg); color: var(--ok); }
.b-low { background: var(--low-bg); color: var(--low); }
.b-out { background: var(--out-bg); color: var(--out); }
.b-none { background: var(--none-bg); color: var(--muted); }
.stepper { display: flex; justify-content: flex-end; align-items: center; gap: 6px; }
.stepper button { width: 44px; height: 44px; border-radius: 8px; border: 1px solid #D5D8D3; background: var(--surface); color: var(--ink); font-size: 18px; }
.stepper input { width: 70px; height: 44px; border: 1px solid #D5D8D3; border-radius: 8px; text-align: center; font: 600 15px var(--mono); }
.was { font-size: 12px; font-weight: 600; color: var(--accent); margin-right: 4px; white-space: nowrap; }
.empty { padding: 32px; text-align: center; color: var(--muted); }
.more { padding: 16px; text-align: center; border-top: 1px solid var(--line2); }

/* Pranešimai */
.alert { padding: 12px 16px; border-radius: 10px; font-size: 14px; }
.alert ul { margin: 8px 0; padding-left: 20px; }
.alert-err { background: var(--out-bg); color: var(--out); }
.alert-warn { background: var(--low-bg); color: #5C2E00; border: 1px solid #F5D9B5; }
.alert-ok { background: var(--ok-bg); color: var(--ok); }
.toast { position: fixed; right: 24px; bottom: 24px; max-width: min(480px, calc(100% - 48px)); padding: 14px 18px; border-radius: 10px; background: var(--ink); color: #fff; font-weight: 500; box-shadow: 0 8px 24px rgba(0,0,0,.18); z-index: 50; }
.toast.err { background: var(--out); }

/* Prisijungimas ir diegimas */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.auth-card.wide { max-width: 640px; }
.auth-card h1 { margin: 0; font-size: 26px; }
.auth-card h2 { margin: 12px 0 0; font-size: 16px; }
.auth-card p { margin: 0; }
.auth-card label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 500; }
.auth-card small { font-weight: 400; color: var(--muted); }
.auth-card code, .codebox { font: 13px var(--mono); background: var(--bg); padding: 2px 6px; border-radius: 4px; word-break: break-all; }
.codebox { display: block; padding: 10px 12px; }