:root {
  --bg: #f4f5f7; --card: #fff; --ink: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --accent: #1f5fbf; --accent-ink: #fff; --warn: #b45309; --bad: #b91c1c; --good: #15803d; --sus: #fde8e8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --card: #1d2128; --ink: #e6e8eb; --muted: #9aa1ab; --line: #2e333c;
    --accent: #5b8def; --warn: #f0a24b; --bad: #f07171; --good: #4ade80; --sus: #3b1f22; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, "Segoe UI", sans-serif; }
a { color: var(--accent); }
.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 32px;
  background: linear-gradient(120deg, #17468f, #1f5fbf 60%, #2f7ad9); color: #fff; }
.top button.link { color: #fff; text-decoration: underline; }
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; color: #fff; }
.brand-logo { width: 64px; height: 64px; object-fit: contain; background: #fff; border-radius: 50%; padding: 4px; }
.brand-nom { display: block; font-size: 34px; font-weight: 800; line-height: 1.1; letter-spacing: .5px; }
.brand-izoh { display: block; font-size: 17px; opacity: .92; margin-top: 4px; }
@media (max-width: 700px) { .top { padding: 12px 16px; } .brand-logo { width: 44px; height: 44px; }
  .brand-nom { font-size: 24px; } .brand-izoh { font-size: 13px; } }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; margin-bottom: 16px; }
.narrow { max-width: 380px; margin: 60px auto; }
h1 { font-size: 20px; margin: 0 0 12px; } h2 { font-size: 17px; margin: 0 0 10px; } h3 { font-size: 15px; }
.muted { color: var(--muted); } .warn { color: var(--warn); font-weight: 600; } .err { color: var(--bad); font-weight: 600; }
.ok { color: var(--good); } .good { color: var(--good); font-weight: 700; } .bad { color: var(--bad); font-weight: 700; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
input, select, button { font: inherit; color: var(--ink); }
input:not([type=radio]), select { padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); }
button, .btn { display: inline-block; padding: 8px 16px; border: 0; border-radius: 6px; background: var(--accent);
  color: var(--accent-ink); cursor: pointer; text-decoration: none; font-weight: 600; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.danger { background: transparent; color: var(--bad); border: 1px solid var(--bad); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid4 { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr auto; gap: 12px; align-items: end; }
.grid5 { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 2fr auto; gap: 12px; align-items: end; }
.stats { display: flex; gap: 24px; flex-wrap: wrap; } .stats b { font-size: 20px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.num { text-align: right; font-variant-numeric: tabular-nums; } .mono { font-family: ui-monospace, Consolas, monospace; }
tr.dim td { color: var(--muted); }
.key { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 12px; }
.keyhead { font-weight: 600; margin-bottom: 4px; }
.q { display: flex; align-items: center; gap: 4px; padding: 2px 4px; border-radius: 4px; }
.q.sus { background: var(--sus); }
.qn { width: 30px; text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.opt { flex-direction: row; display: inline-flex; color: var(--ink); }
.opt input { position: absolute; opacity: 0; }
.opt span { display: inline-block; width: 26px; height: 26px; line-height: 24px; text-align: center; border: 1px solid var(--line);
  border-radius: 50%; cursor: pointer; font-size: 13px; }
.opt input:checked + span { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.opt input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }
.review { display: grid; grid-template-columns: minmax(0, 1fr) 500px; gap: 16px; align-items: start; }
.scan { width: 100%; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.answers { display: grid; grid-template-columns: repeat(2, max-content); grid-template-rows: repeat(15, auto);
  grid-auto-flow: column; column-gap: 28px; margin-bottom: 8px; }
.answers .good, .answers .bad { margin-left: 8px; width: 14px; }
.answers .opt span { width: 23px; height: 23px; line-height: 21px; }
@media (max-width: 1000px) { .review { grid-template-columns: 1fr; } .scan { position: static; } }
@media (max-width: 800px) {
  .grid4, .grid5, .key { grid-template-columns: 1fr; } .answers { grid-template-columns: max-content; grid-template-rows: none; grid-auto-flow: row; } .scan { position: static; }
}
.narrow-wide { max-width: 640px; margin: 40px auto; }
progress { width: 100%; height: 14px; accent-color: var(--accent); }
.ish-son { display: flex; gap: 12px; align-items: baseline; } .ish-son b { font-size: 22px; }
button:disabled { opacity: .6; cursor: progress; }
.tag { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 10px; background: var(--sus); color: var(--ink); margin-left: 6px; }
input.small { width: 80px; }
button.ghost-btn { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.shaxs { width: 100%; border: 1px solid var(--line); border-radius: 6px; background: #fff; margin: 8px 0; }
label.inline { flex-direction: row; align-items: center; gap: 6px; }
/* bosh sahifa: bosqichlar va kartalar */
.bosqich { margin: 8px 0 10px; } .bosqich h1 { display: flex; align-items: center; gap: 10px; margin: 0 0 2px; }
.bosqich p { margin: 0; }
.raqam { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-size: 16px; }
.kartalar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 24px; }
.kartalar.ikki { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.karta { display: flex; flex-direction: column; margin: 0; border-top: 4px solid var(--accent); }
.karta > p { margin: 0 0 10px; } .karta form { margin-top: auto; }
.karta-bosh { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; }
.karta-bosh h2 { margin: 0; }
.holat { font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 12px; white-space: nowrap; }
.holat.tayyor { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }
.holat.kerak { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); }
.holat.ixt { background: var(--bg); color: var(--muted); }
.ustun { display: flex; flex-direction: column; gap: 10px; }
.ikki-ustun { display: grid; grid-template-columns: 1fr 1fr; } .ikki-ustun .keng { grid-column: 1 / -1; }
.jadval-oyna { overflow-x: auto; }
.btn.kichik { padding: 3px 12px; font-size: 13px; }
details summary { cursor: pointer; color: var(--accent); margin: 4px 0 8px; }
@media (max-width: 1000px) { .kartalar, .kartalar.ikki { grid-template-columns: 1fr; } }

/* ichki sahifalar */
.iz { margin: 0 0 10px; font-size: 14px; color: var(--muted); }
.sinov-bosh { border-top: 4px solid var(--accent); }
.statlar { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.stat { background: var(--bg); border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--muted); }
.stat b { display: block; font-size: 24px; color: var(--ink); line-height: 1.2; }
.stat.diqqat { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); }
.stat.diqqat b { color: var(--warn); }
.kartalar.teng { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bosqich h1 .holat { font-size: 12px; }
.tugmalar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0; }
.karta + .bosqich, .kartalar + .bosqich { margin-top: 8px; }
section.karta:not(.kartalar section) { margin-bottom: 24px; }
.keycol { background: var(--bg); border-radius: 8px; padding: 10px; }
a.holat { text-decoration: none; }
.narrow.karta { margin: 60px auto; } .narrow-wide.karta { margin: 40px auto; }
.narrow.karta, .narrow-wide.karta { box-shadow: 0 6px 24px rgba(0, 0, 0, .06); }
@media (max-width: 1000px) { .statlar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kartalar.teng { grid-template-columns: 1fr; } }
input.toliq { width: 100%; min-width: 220px; }
.xavfli { border-top-color: var(--bad); } .xavfli summary { font-weight: 600; color: var(--ink); }
.xavfli[open] summary { margin-bottom: 12px; }
.tahrir { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 12px; align-items: end; margin-bottom: 6px; }
@media (max-width: 800px) { .tahrir { grid-template-columns: 1fr; } }
.menyu { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.menyu a { color: #fff; text-decoration: none; font-weight: 600; } .menyu a:hover { text-decoration: underline; }
.menyu .men { opacity: .85; font-size: 14px; } .menyu form { margin: 0; }
table.jurnal td { vertical-align: top; } td.tafsilot { font-size: 13px; color: var(--muted); max-width: 520px; overflow-wrap: anywhere; }
.tarix { margin-top: 12px; } .tarix ul { margin: 6px 0 0; padding-left: 18px; font-size: 13px; } .tarix li { margin-bottom: 6px; }
.xavfli-ichki { margin-top: 14px; } .xavfli-ichki summary { cursor: pointer; color: var(--bad); font-weight: 600; }
input.kichik-input { width: 140px; }
.katta { display: inline-block; font-size: 15px; padding: 6px 14px; margin: 12px 0; }
.narrow-tekshir { max-width: 720px; }
.narrow-tekshir input[name=kod] { font-family: ui-monospace, Consolas, monospace; font-size: 18px; letter-spacing: 1px; width: 220px; }
.ogohlantirish { background: color-mix(in srgb, var(--warn) 10%, transparent); border-left: 4px solid var(--warn);
  padding: 10px 14px; border-radius: 6px; margin: 8px 0 12px; } .ogohlantirish ol { margin: 6px 0 0; padding-left: 20px; }
ul.idsiz { max-height: 260px; overflow: auto; columns: 2; } details.import { margin-top: 14px; }
details.import summary { cursor: pointer; color: var(--accent); font-weight: 600; }