/* ---------- Barvy a základ (světlý i tmavý režim podle systému) ---------- */
:root {
  --ink: #0f1a2a;
  --muted: #5b6878;
  --paper: #eef2f8;
  --paper-2: #e3e9f3;
  --card: #ffffff;
  --field: #f4f7fb;
  --line: #d6dde8;
  --accent: #2552e0;
  --accent-2: #1f3fae;
  --accent-ink: #ffffff;
  --accent-soft: #e6edff;
  --ok: #0c7a52;     --ok-soft: #dcf5ea;
  --wait: #9a5800;   --wait-soft: #fff0d6;
  --bad: #b42318;    --bad-soft: #fde4e1;
  --info: #475b74;   --info-soft: #e7edf5;
  --radius: 16px;
  --radius-s: 10px;
  --shadow: 0 1px 2px rgb(15 26 42 / .06), 0 8px 24px rgb(15 26 42 / .07);
  --shadow-btn: 0 6px 16px rgb(37 82 224 / .28);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9eff7; --muted: #9aa8ba; --paper: #0b121d; --paper-2: #0f1827; --card: #141e2d; --field: #0f1826; --line: #263448;
    --accent: #6f95ff; --accent-2: #4a73f0; --accent-ink: #0a1430; --accent-soft: #1b2a4d;
    --ok: #4fd1a1; --ok-soft: #12352a; --wait: #f5b851; --wait-soft: #3a2a0e; --bad: #ff8f86; --bad-soft: #3d1715; --info: #a9b8cc; --info-soft: #1c2738;
    --shadow: 0 1px 2px rgb(0 0 0 / .4), 0 10px 30px rgb(0 0 0 / .35);
    --shadow-btn: 0 6px 18px rgb(74 115 240 / .35);
  }
}
* { box-sizing: border-box; }
html { color-scheme: light dark; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; color: var(--ink); font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-variant-numeric: tabular-nums;
  background: radial-gradient(1200px 500px at 85% -10%, var(--accent-soft), transparent 60%), linear-gradient(var(--paper), var(--paper-2)) fixed;
}
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
svg { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
h1, h2 { margin: 0 0 .75rem; line-height: 1.2; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; }
h3 { font-size: .95rem; margin: 1.25rem 0 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- Logo ---------- */
.logo { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: #fff;
  background: linear-gradient(135deg, #3b6cf6, #1f3fae); box-shadow: 0 4px 12px rgb(37 82 224 / .35); }
.logo svg { width: 20px; height: 20px; stroke-width: 2; }
.logo.lg { width: 56px; height: 56px; border-radius: 16px; }
.logo.lg svg { width: 32px; height: 32px; }

/* ---------- Hlavička ---------- */
.top {
  position: sticky; top: 0; z-index: 10; display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem;
  padding: .65rem max(1rem, env(safe-area-inset-left)); background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .6rem; flex: 1; min-width: 0; }
.brand strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 1.05rem; }
.chip { font-size: .75rem; font-weight: 600; padding: .15rem .6rem; border-radius: 99px; color: var(--wait); background: var(--wait-soft); white-space: nowrap; }
.chip.live { color: var(--ok); background: var(--ok-soft); }
.chip.off { color: var(--bad); background: var(--bad-soft); }
.who { font-size: .85rem; color: var(--muted); white-space: nowrap; }
.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: .25rem; }
.link:hover { text-decoration: underline; }
select { font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: var(--radius-s); padding: .45rem .6rem; }
.register-pick { margin: 0; }
.register-pick select { max-width: 15rem; font-weight: 600; }
.tabs { display: flex; gap: .25rem; padding: .2rem; background: var(--field); border: 1px solid var(--line); border-radius: 99px; }
.tabs button { display: inline-flex; align-items: center; gap: .35rem; font: inherit; font-size: .9rem; font-weight: 600; padding: .35rem .8rem; border: 0; border-radius: 99px; background: none; color: var(--muted); cursor: pointer; }
.tabs button[aria-pressed="true"] { background: var(--card); color: var(--accent); box-shadow: 0 1px 3px rgb(15 26 42 / .15); }

.banner { display: flex; gap: .5rem; align-items: center; justify-content: center; margin: 0; padding: .55rem 1rem; text-align: center;
  font-size: .92rem; font-weight: 600; color: var(--wait); background: var(--wait-soft); border-bottom: 1px solid color-mix(in srgb, var(--wait) 25%, transparent); }
.banner::before { content: "!"; display: inline-grid; place-items: center; width: 1.3em; height: 1.3em; flex: none; border-radius: 50%; background: var(--wait); color: var(--wait-soft); font-size: .8em; font-weight: 800; }

/* ---------- Rozvržení a karty ---------- */
main { display: grid; gap: 1.25rem; padding: 1.25rem 1rem 2rem; max-width: 1040px; margin: 0 auto; }
@media (min-width: 860px) { main { grid-template-columns: minmax(320px, 400px) 1fr; align-items: start; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card-title { display: flex; align-items: center; gap: .5rem; font-size: 1rem; margin: 0 0 1rem; }
.card-title svg { color: var(--accent); }
@media (min-width: 860px) { .sale { position: sticky; top: 76px; } }

label { display: block; font-size: .88rem; color: var(--muted); margin-top: .85rem; }
input { display: block; width: 100%; margin-top: .3rem; padding: .65rem .8rem; font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: var(--radius-s); transition: border-color .15s, box-shadow .15s; }
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }

/* Částka */
.amount { display: flex; align-items: baseline; gap: .5rem; padding: .8rem 1rem; border-radius: 14px; background: var(--field); border: 2px solid var(--line); transition: border-color .15s, box-shadow .15s; }
.amount:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.amount input { margin: 0; border: 0; background: none; text-align: right; font-size: clamp(2.4rem, 10vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; padding: 0; box-shadow: none; }
.amount input:focus { box-shadow: none; }
.amount span { font-size: 1.5rem; font-weight: 700; color: var(--muted); }

/* Způsob platby: tři velká přepínací tlačítka (radio) */
.payment { border: 0; padding: 0; margin: 1rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.payment legend { font-size: .88rem; color: var(--muted); padding: 0; margin-bottom: .4rem; }
.payment label { margin: 0; color: var(--ink); }
.payment input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.payment span { display: flex; flex-direction: column; align-items: center; gap: .3rem; padding: .7rem .25rem; border: 2px solid var(--line); border-radius: 12px; background: var(--card);
  font-weight: 700; font-size: .92rem; cursor: pointer; user-select: none; transition: border-color .15s, background .15s, transform .1s; }
.payment span svg { width: 26px; height: 26px; color: var(--muted); }
.payment span:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.payment input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.payment input:checked + span svg { color: var(--accent); }
.payment input:active + span { transform: scale(.97); }
.payment input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Položky účtenky */
.cart { margin-bottom: 1rem; }
.quick { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: .45rem; }
.quick:empty { display: none; }
.quick-btn { display: flex; flex-direction: column; align-items: flex-start; gap: .1rem; padding: .6rem .7rem; min-height: 58px; text-align: left;
  font: inherit; font-weight: 700; font-size: .9rem; line-height: 1.2; color: var(--ink); background: var(--card); border: 2px solid var(--line); border-radius: 12px; cursor: pointer; }
.quick-btn small { font-weight: 600; color: var(--accent); }
.quick-btn:hover { border-color: var(--accent); }
.quick-btn:active { transform: scale(.97); background: var(--accent-soft); }
.search { margin-top: .75rem; }
.lines { list-style: none; margin: .6rem 0 0; padding: 0; }
.lines li { display: grid; grid-template-columns: 1fr auto auto auto; gap: .4rem; align-items: center; padding: .5rem 0; border-top: 1px solid var(--line); }
.lines li:first-child { border-top: 0; }
.ln-name { display: flex; flex-direction: column; font-weight: 600; line-height: 1.25; min-width: 0; overflow-wrap: anywhere; }
.ln-name small { font-weight: 400; color: var(--muted); font-size: .78rem; }
.ln-qty { display: flex; align-items: center; gap: .2rem; }
.ln-qty button, .ln-del { width: 34px; height: 34px; font: inherit; font-weight: 700; border: 1px solid var(--line); border-radius: 9px; background: var(--card); color: var(--ink); cursor: pointer; }
.ln-qty .qty { width: 3.4rem; margin: 0; padding: .35rem; text-align: center; }
.ln-sum { min-width: 4.8rem; text-align: right; }
.ln-del { color: var(--bad); }
.free { display: grid; grid-template-columns: 1fr 7rem; gap: 0 .5rem; align-items: end; }
.free label { margin-top: .5rem; }
.free select { display: block; width: 100%; margin-top: .3rem; }
.free button { grid-column: 1 / -1; margin-top: .5rem; }
.amount input[readonly] { color: var(--accent); }
@media (max-width: 420px) {
  .lines li { grid-template-columns: 1fr auto; }
  .ln-qty { grid-column: 1; }
  .ln-del { grid-row: 1; grid-column: 2; justify-self: end; }
}

details { margin-top: 1rem; }
summary { cursor: pointer; color: var(--accent); font-size: .92rem; font-weight: 600; }

/* Tlačítka */
button.primary { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; width: 100%; margin-top: 1.1rem; padding: .85rem 1rem;
  font: inherit; font-weight: 700; color: #fff; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, #3b6cf6, #1f3fae); box-shadow: var(--shadow-btn); transition: transform .1s, filter .15s, box-shadow .15s; }
button.primary:hover { filter: brightness(1.06); }
button.primary:active { transform: translateY(1px); box-shadow: none; }
button.primary.big { padding: 1.05rem 1rem; font-size: 1.08rem; }
button.primary[disabled] { opacity: .6; cursor: progress; }
button.ghost { font: inherit; font-weight: 600; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); cursor: pointer; }

.msg { margin: .75rem 0 0; color: var(--muted); }
.msg:empty { display: none; }
.msg.ok, .msg.wait, .msg.bad { padding: .6rem .8rem; border-radius: var(--radius-s); font-weight: 600; }
.msg.ok { color: var(--ok); background: var(--ok-soft); }
.msg.wait { color: var(--wait); background: var(--wait-soft); }
.msg.bad { color: var(--bad); background: var(--bad-soft); }
.error { color: var(--bad); font-weight: 600; }

/* ---------- Přihlášení ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem 1rem; }
.login { width: min(380px, 100%); padding: 2rem 1.5rem 1.5rem; text-align: left; }
.auth-brand { display: flex; justify-content: center; margin-bottom: 1rem; }
.login h1 { text-align: center; font-size: 1.5rem; margin-bottom: .25rem; }
.login .sub { text-align: center; color: var(--muted); margin: 0 0 1rem; }
.login .back { display: block; margin: .75rem auto 0; }

/* ---------- Seznam tržeb ---------- */
.list-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: .75rem; margin-bottom: .25rem; }
.list-head .card-title { margin-bottom: .5rem; }
.today { display: flex; gap: .5rem; }
.today span { display: flex; flex-direction: column; padding: .45rem .8rem; border-radius: 12px; background: var(--accent-soft); min-width: 5.5rem; }
.today small { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.today strong { color: var(--accent); font-size: 1.05rem; }

.sales { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .6rem; }
.sales li { position: relative; display: grid; grid-template-columns: 1fr auto; gap: .25rem .75rem; padding: .8rem .9rem .8rem 1.1rem;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card); overflow: hidden; }
.sales li::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--line); }
.sales li.s-confirmed::before { background: var(--ok); }
.sales li.s-pending::before { background: var(--wait); }
.sales li.s-rejected::before { background: var(--bad); }
.sales li.s-verified::before { background: var(--info); }
.sales .num { font-weight: 700; display: flex; flex-direction: column; line-height: 1.25; }
.sales .num small { font-weight: 400; font-size: .8rem; color: var(--muted); }
.sales .sum { text-align: right; font-weight: 800; font-size: 1.2rem; letter-spacing: -.01em; }
.sales li.neg .sum { color: var(--bad); }
.sales .meta { color: var(--muted); font-size: .84rem; grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .35rem .6rem; align-items: center; }
.state { font-weight: 700; font-size: .78rem; padding: .12rem .55rem; border-radius: 99px; }
.state.confirmed { color: var(--ok); background: var(--ok-soft); }
.state.pending { color: var(--wait); background: var(--wait-soft); }
.state.rejected { color: var(--bad); background: var(--bad-soft); }
.state.verified { color: var(--info); background: var(--info-soft); }
.pay { display: inline-flex; align-items: center; gap: .3rem; font-weight: 600; color: var(--ink); }
.pay svg { width: 1.05em; height: 1.05em; color: var(--muted); }
.sig { font-weight: 600; font-size: .8rem; }
.sig.ok { color: var(--ok); } .sig.warn { color: var(--wait); }
.sig.ok::before { content: "✓ "; }
.sales code { font-size: .74rem; word-break: break-all; color: var(--muted); background: var(--field); padding: .1rem .35rem; border-radius: 6px; }
.sales button { font: inherit; font-size: .84rem; font-weight: 600; padding: .25rem .75rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); cursor: pointer; }
.sales button:hover { border-color: var(--accent); color: var(--accent); }
.sales button { display: inline-flex; align-items: center; gap: .3rem; }
.mailed { display: inline-flex; align-items: center; gap: .25rem; color: var(--accent); font-weight: 600; }
.sales .hint { font-style: italic; }
.empty { display: grid; justify-items: center; gap: .5rem; padding: 2rem 1rem; color: var(--muted); text-align: center; }
.empty svg { width: 44px; height: 44px; stroke-width: 1.4; opacity: .6; }
.empty p { margin: 0; }

/* ---------- Nastavení ---------- */
.settings { grid-template-columns: 1fr !important; max-width: 760px; }
.rows { list-style: none; margin: 0; padding: 0; }
.rows li { display: grid; grid-template-columns: 1fr auto; gap: .25rem .75rem; padding: .8rem 0; border-top: 1px solid var(--line); align-items: center; }
.rows li:first-child { border-top: 0; }
.rows .num { font-weight: 700; }
.rows .meta { color: var(--muted); font-size: .85rem; grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .35rem .75rem; align-items: center; }
.rows .chip { color: var(--accent); background: var(--accent-soft); }
.rows .chip.off { color: var(--bad); background: var(--bad-soft); }
.rows button, .checks button { font: inherit; font-size: .84rem; font-weight: 600; padding: .25rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); cursor: pointer; }
.rows button:hover, .checks button:hover { border-color: var(--accent); color: var(--accent); }
.rows fieldset { grid-column: 1 / -1; }
.inline-form { border-top: 1px solid var(--line); margin-top: .75rem; }
.inline-form select { display: block; width: 100%; margin-top: .3rem; }
.checks { border: 1px solid var(--line); border-radius: var(--radius-s); margin: .85rem 0 0; padding: .5rem .85rem; }
.checks legend { font-size: .88rem; color: var(--muted); padding: 0 .25rem; }
.check { display: flex; align-items: center; gap: .45rem; margin: .3rem 0; color: var(--ink); }
.check input { width: auto; margin: 0; accent-color: var(--accent); }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .75rem; }
.pair > [hidden] + label, .pair > label:only-child { grid-column: 1 / -1; }
.pair select { display: block; width: 100%; margin-top: .3rem; }
.csv-row { display: grid; grid-template-columns: 1fr auto; gap: .75rem; align-items: end; }
.csv-row select { display: block; width: 100%; margin-top: .3rem; }
.csv-row .ghost { padding: .6rem 1rem; }
.rows li.inactive { opacity: .6; }
.moves { grid-column: 1 / -1; margin: .25rem 0 0; padding-left: 1.1rem; font-size: .84rem; color: var(--muted); }
.list-head .check { margin: 0; font-size: .85rem; }
@media (max-width: 420px) { .pair { grid-template-columns: 1fr; } }

/* dotykové displeje: tlačítka aspoň 44 px vysoká */
@media (pointer: coarse) { .sales button, .rows button { min-height: 44px; padding: .4rem .95rem; font-size: .95rem; } }
@media (max-width: 520px) {
  .top { position: static; }
  .brand { flex: 1 1 100%; }
  .tabs { flex: 1; }
  .tabs button { flex: 1; justify-content: center; }
  .register-pick, .register-pick select { width: 100%; max-width: none; }
  .who { order: 5; width: 100%; }
  .card { padding: 1rem; border-radius: 14px; }
  main { padding: 1rem .75rem 2rem; }
}

/* ---------- QR platba ---------- */
#mail-dialog { border: 1px solid var(--line); border-radius: 20px; background: var(--card); color: var(--ink); padding: 1.5rem; width: min(420px, calc(100vw - 32px)); box-shadow: var(--shadow); }
#mail-dialog::backdrop { background: rgb(5 10 20 / .6); backdrop-filter: blur(3px); }
#mail-dialog .card-title { margin-bottom: .25rem; }
#qr-dialog { border: 1px solid var(--line); border-radius: 20px; background: var(--card); color: var(--ink); padding: 1.5rem; width: min(380px, calc(100vw - 32px)); text-align: center; box-shadow: var(--shadow); }
#qr-dialog::backdrop { background: rgb(5 10 20 / .6); backdrop-filter: blur(3px); }
#qr-dialog img { display: block; margin: .75rem auto; width: min(264px, 100%); height: auto; background: #fff; padding: 10px; border-radius: 14px; image-rendering: pixelated; box-shadow: 0 0 0 1px var(--line); }
.qr-amount { font-size: 2.1rem; font-weight: 800; margin: 0; color: var(--accent); }
.qr-actions { display: flex; gap: .75rem; align-items: stretch; margin-top: 1.1rem; }
.qr-actions .primary { width: auto; flex: 1; margin-top: 0; }

/* Účtenka se zobrazuje jen při tisku */
#receipt { display: none; }
@media print {
  body > *:not(#receipt) { display: none !important; }
  body { background: #fff; }
  #receipt { display: block !important; width: 72mm; margin: 0 auto; font: 12px/1.4 ui-monospace, monospace; color: #000; background: #fff; }
  #receipt h2 { font-size: 14px; text-align: center; margin-bottom: 2px; }
  #receipt .addr { text-align: center; margin: 0 0 8px; }
  #receipt dl { margin: 0; } #receipt div { display: flex; justify-content: space-between; gap: 8px; }
  #receipt dd { margin: 0; text-align: right; word-break: break-all; }
  #receipt .r-items { list-style: none; margin: 0 0 6px; padding: 0 0 6px; border-bottom: 1px dashed #000; }
  #receipt .r-items li { display: flex; justify-content: space-between; gap: 8px; }
  #receipt .r-items small { display: block; font-size: 11px; }
  #receipt .r-vat { margin-bottom: 6px; padding-bottom: 6px; border-bottom: 1px dashed #000; font-size: 11px; }
}