:root {
  color-scheme: dark;
  --bg: #0B1D28;
  --card: #132836;
  --green: #79C95A;
  --gold: #E8B04B;
  --text: #F4F7F4;
  --muted: #9AABA8;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
button, input { font: inherit; }
button { cursor: pointer; border: 1px solid #354b53; border-radius: 9px; padding: 11px 17px; font-weight: 600; }
button:hover { border-color: var(--green); }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
button:disabled { opacity: .4; cursor: default; }
.quiet { color: var(--text); background: transparent; }
.primary { color: var(--bg); background: var(--green); border-color: var(--green); }
.shell { width: min(1480px, 94%); margin: auto; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 28px 0; border-bottom: 1px solid #243a44; gap: 20px; }
.brand { display: flex; gap: 13px; align-items: center; color: var(--text); text-decoration: none; font-size: 14px; font-weight: 750; letter-spacing: 1px; }
.brand small { display: block; color: var(--muted); font-size: 10px; margin-top: 6px; font-weight: 500; letter-spacing: 2px; }
.brand-mark { width: 42px; height: 45px; border-radius: 16px 4px 16px 4px; color: var(--bg); background: var(--green); display: grid; place-items: center; font-size: 25px; font-family: Georgia, serif; }
.connection { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.status { color: var(--muted); }
.status::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); margin-right: 9px; }
.status[data-state="bagli"], .status[data-state="yeniden"] { color: var(--green); }
.status[data-state="bagli"]::before, .status[data-state="yeniden"]::before { background: var(--green); }
main { min-height: calc(100vh - 190px); padding: 45px 0; }
.heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.eyebrow, .step-label { color: var(--green); letter-spacing: 2px; font-size: 11px; font-weight: 700; }
h1 { font-size: clamp(25px, 2.3vw, 36px); letter-spacing: -1px; margin: 12px 0; font-weight: 650; }
h1 #period { font-weight: 400; }
.separator { color: var(--green); padding: 0 5px; }
.subtitle, .footnote, .privacy, .qr-note { color: var(--muted); line-height: 1.7; }
.subtitle { font-size: 15px; margin: 0; }
.filters { display: flex; align-items: flex-end; gap: 14px; }
.filters label { color: var(--muted); font-size: 12px; }
input { display: block; color: var(--text); background: var(--card); border: 1px solid #354b53; border-radius: 9px; padding: 10px 12px; margin-top: 7px; }
.message { color: var(--gold); font-size: 14px; line-height: 1.6; min-height: 4px; }
.message:empty { margin: 20px 0; }
.card { background: var(--card); border: 1px solid #263b46; border-radius: 15px; }
.pairing { display: grid; grid-template-columns: 1fr 1fr; padding: clamp(25px, 4vw, 60px); gap: 55px; max-width: 1120px; margin: 30px auto; align-items: center; }
.pair-copy h2 { font-size: 31px; font-weight: 600; line-height: 1.25; }
.pair-copy p, .pair-copy li { line-height: 1.8; font-size: 16px; }
.pair-copy ol { padding-left: 21px; color: #c3d0ca; }
.pair-copy li { padding: 5px 0 5px 6px; }
.pair-copy li::marker { color: var(--green); }
.privacy { font-size: 13px !important; margin: 22px 0; }
.qr-wrap { text-align: center; }
canvas { width: min(100%, 420px); height: auto; image-rendering: pixelated; border: 12px solid white; border-radius: 12px; }
.countdown { font-size: 14px; color: var(--gold); }
.qr-note { font-size: 12px; }
.stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat { padding: 22px; }
.stat p { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.stat strong { display: block; font-size: clamp(21px, 2vw, 30px); letter-spacing: -.7px; overflow-wrap: anywhere; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat small { display: block; color: var(--muted); font-size: 11px; margin-top: 12px; }
.remaining { border-color: #45633e; }
.remaining strong { color: var(--green); }
.table-heading, .pagination { display: flex; justify-content: space-between; align-items: center; padding: 23px 26px; gap: 15px; }
.table-heading h2 { font-size: 20px; margin: 0 0 7px; }
.table-heading p { font-size: 12px; color: var(--muted); margin: 0; }
.table-actions { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 13px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; font-size: 16px; }
th { text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-size: 11px; background: #102430; font-weight: 500; }
th, td { padding: 19px 24px; text-align: right; border-bottom: 1px solid #263b46; }
th:nth-child(-n+2), td:nth-child(-n+2) { text-align: left; }
td { font-variant-numeric: tabular-nums; }
td:nth-child(2) { white-space: normal; min-width: 170px; overflow-wrap: anywhere; font-weight: 600; }
td:last-child { color: var(--gold); }
.pagination { font-size: 13px; color: var(--muted); }
.pagination button + button { margin-left: 8px; }
.empty { padding: 50px 20px; text-align: center; color: var(--muted); }
.footnote { font-size: 12px; }
.offline { border: 1px solid #8c6b38; color: var(--gold); padding: 16px; margin-bottom: 22px; border-radius: 9px; }
.stale .stats, .stale .purchases { opacity: .45; }
footer { border-top: 1px solid #243a44; padding: 24px 0; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; }
@media (max-width: 1000px) {
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pairing { gap: 25px; }
  .connection { gap: 12px; }
}
@media (max-width: 680px) {
  .shell { width: 92%; }
  .topbar, .heading { align-items: flex-start; flex-direction: column; }
  .topbar { padding: 20px 0; }
  .connection { width: 100%; justify-content: space-between; }
  main { padding: 25px 0; }
  .filters { width: 100%; justify-content: space-between; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .stat { padding: 17px; }
  .pairing { grid-template-columns: 1fr; padding: 24px; }
  .pair-copy h2 { font-size: 27px; }
  .qr-wrap { grid-row: 1; }
  canvas { max-width: 370px; }
  footer { flex-direction: column; gap: 8px; }
  th, td { padding: 17px; }
}

#operations { margin-top: 36px; }
.write-fields { border: 0; padding: 0; margin: 0; min-width: 0; }
.permission-label { color: var(--green); }
.operation { padding: 20px; margin: 16px 0; }
.operation summary { cursor: pointer; font-size: 19px; color: var(--text); }
.operation-form { margin-top: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 20px; }
.operation label { color: var(--muted); font-size: 14px; }
.operation input, .operation select { width: 100%; }
select { display: block; padding: 11px; margin-top: 7px; color: var(--text); background: var(--card); border: 1px solid #354b53; border-radius: 9px; font: inherit; }
.operation button { margin: 4px 8px 4px 0; }
.weighing { display: grid; grid-template-columns: 2fr 1fr 2fr auto; align-items: end; gap: 12px; padding: 12px 0; }
.weighings { margin-bottom: 18px; }
.report-toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; }
.row-action { font-size: 13px; padding: 8px; margin: 0 3px; }
.maintenance { padding: 18px 0; }
@media (max-width: 680px) {
  .weighing { grid-template-columns: 1fr 1fr; }
}