:root {
  --bg: #0B1B33; --bg-2: #071226; --panel: #10254A; --panel-2: #142C57;
  --line: rgba(255,255,255,0.09); --line-strong: rgba(255,255,255,0.18);
  --text: #F5F7FB; --text-2: #B8C4D9; --muted: #7F8FAB;
  --amber: #F5A524; --amber-soft: rgba(245,165,36,0.14);
  --green: #3DD68C; --green-soft: rgba(61,214,140,0.14);
  --red: #FF6B6B; --red-soft: rgba(255,107,107,0.14);
  --blue: #7AA7FF; --blue-soft: rgba(122,167,255,0.14);
  --code: #06101F;
  --sans: "Sora", "Helvetica Neue", Arial, sans-serif; --mono: "DM Mono", ui-monospace, Menlo, monospace;
  --radius: 16px; --radius-sm: 10px;
  --shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 20px 50px -24px rgba(0,0,0,0.7);
}
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 1rem; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--amber); text-decoration: none; } a:hover { color: #FFC45E; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0; }
code { font-family: var(--mono); font-size: 0.875em; background: var(--panel); padding: 0.1em 0.4em; border-radius: 6px; }
.wrap { max-width: 78rem; margin: 0 auto; padding: 0 1.5rem; }

header { position: sticky; top: 0; z-index: 10; background: rgba(11,27,51,0.75); -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%); border-bottom: 1px solid var(--line); }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 0; }
.brand { display: flex; align-items: center; gap: 0.7rem; color: var(--text); }
.brand-mark { color: var(--amber); font-size: 1.4rem; line-height: 1; }
.brand-text { display: flex; flex-direction: column; }
.brand-text > a { color: var(--text); }
.brand b { display: block; font-size: 1rem; }
.brand small { display: block; color: var(--muted); font-size: 0.78rem; }
.brand small a { color: var(--text-2); }
nav { display: flex; align-items: center; gap: 0.15rem; }
nav a { color: var(--text-2); font-size: 0.9375rem; padding: 0.4rem 0.75rem; border-radius: 999px; }
nav a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
nav a.cta { background: var(--amber); color: var(--bg-2); font-weight: 700; margin-left: 0.4rem; }
nav a.cta:hover { background: #FFC45E; color: var(--bg-2); }

.intro { padding: 3rem 0 1.75rem; max-width: 60rem; }
.intro h1 { font-size: clamp(1.75rem, 3.6vw, 2.75rem); font-weight: 800; letter-spacing: -0.03em; }
.intro p { margin-top: 0.9rem; color: var(--text-2); font-size: 1.0625rem; max-width: 66ch; }

.workbench { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 1.25rem; align-items: start; padding-bottom: 3rem; }
.pane { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; }
.pane.input { position: sticky; top: 4.5rem; }
.pane-head, .card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.85rem; }
.pane-head h2 { font-size: 1.0625rem; font-weight: 700; }
.tools { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.select { font-size: 0.875rem; color: var(--text-2); display: inline-flex; gap: 0.5rem; align-items: center; }
select { background: var(--bg-2); color: var(--text); border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.4rem 0.8rem; font: inherit; font-size: 0.875rem; max-width: 18rem; }
textarea { width: 100%; min-height: 22rem; resize: vertical; background: var(--code); color: #D5DCE8; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.9rem 1rem; font-family: var(--mono); font-size: 0.8125rem; line-height: 1.55; }
textarea:focus { border-color: var(--amber); outline: none; }
.pane-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 0.85rem; }
.check { font-size: 0.85rem; color: var(--text-2); display: flex; gap: 0.5rem; align-items: flex-start; max-width: 32rem; }
.check input { margin-top: 0.25rem; accent-color: var(--amber); }
.btn { display: inline-flex; align-items: center; gap: 0.5em; padding: 0.65em 1.2em; border-radius: 999px; font: inherit; font-weight: 700; font-size: 0.9375rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s, background .15s, border-color .15s; }
.btn.primary { background: var(--amber); color: var(--bg-2); }
.btn.primary:hover { background: #FFC45E; transform: translateY(-1px); }
.btn.primary:disabled { opacity: 0.6; cursor: progress; transform: none; }
.btn.ghost { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--line-strong); }
.btn.ghost:hover { border-color: rgba(255,255,255,0.4); transform: translateY(-1px); }
.error { margin-top: 0.75rem; color: var(--red); font-size: 0.9rem; background: var(--red-soft); border-radius: var(--radius-sm); padding: 0.6rem 0.85rem; }

.output { display: grid; gap: 1rem; }
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.1rem; }
.card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.6rem; }
.card-head h3 { margin-bottom: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.hint { color: var(--muted); font-size: 0.8rem; font-family: var(--mono); }

.verdict { display: grid; grid-template-columns: auto 1fr; gap: 1rem 1.25rem; align-items: center; border-radius: var(--radius-sm); padding: 1.1rem 1.25rem; border: 1px solid var(--line); }
.verdict .score { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.verdict .score small { display: block; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.04em; color: var(--muted); font-family: var(--mono); margin-top: 0.3rem; }
.verdict .label { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; }
.verdict .sub { color: var(--text-2); font-size: 0.9375rem; margin-top: 0.2rem; }
.verdict.tp { background: var(--red-soft); } .verdict.tp .score, .verdict.tp .label { color: var(--red); }
.verdict.esc { background: var(--amber-soft); } .verdict.esc .score, .verdict.esc .label { color: var(--amber); }
.verdict.fp { background: var(--green-soft); } .verdict.fp .score, .verdict.fp .label { color: var(--green); }

.kv { margin: 0; display: grid; grid-template-columns: 7rem 1fr; gap: 0.35rem 0.75rem; font-size: 0.9rem; }
.kv dt { color: var(--muted); font-family: var(--mono); font-size: 0.78rem; padding-top: 0.15rem; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip { font-family: var(--mono); font-size: 0.78rem; padding: 0.25em 0.7em; border-radius: 999px; background: rgba(255,255,255,0.06); border: 1px solid var(--line); color: var(--text-2); }
.chip.e8 { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.chip.att { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.fw-block + .fw-block { margin-top: 0.7rem; }
.fw-block .lbl { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); margin-bottom: 0.35rem; }
.fw-block .sigma a { display: block; font-size: 0.85rem; color: var(--text-2); }
.fw-block .sigma a:hover { color: var(--amber); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th { text-align: left; font-family: var(--mono); font-weight: 500; font-size: 0.72rem; color: var(--muted); padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--line); }
td { padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
td.val { font-family: var(--mono); font-size: 0.8rem; overflow-wrap: anywhere; max-width: 28rem; }
td .tag { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); }
.en-bad { color: var(--red); } .en-ok { color: var(--green); } .en-warn { color: var(--amber); } .en-na { color: var(--muted); }

.why { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.4rem; }
.why li { display: grid; grid-template-columns: 3.2rem 1fr; gap: 0.6rem; font-size: 0.9rem; color: var(--text-2); }
.why .d { font-family: var(--mono); font-weight: 500; text-align: right; }
.why .d.pos { color: var(--red); } .why .d.neg { color: var(--green); } .why .d.zero { color: var(--muted); }

pre#ticket { margin: 0; background: var(--code); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem; font-family: var(--mono); font-size: 0.78rem; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; color: #D5DCE8; max-height: 34rem; overflow: auto; }

.prose { padding: 2.5rem 0; border-top: 1px solid var(--line); }
.prose h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; }
.prose .card p, .prose li { color: var(--text-2); font-size: 0.95rem; }
.prose ul { margin: 0; padding-left: 1.1rem; max-width: 70ch; display: grid; gap: 0.5rem; }
.prose li::marker { color: var(--amber); }
.prose b { color: var(--text); }

footer { padding: 2rem 0 3rem; color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 2rem; }

@media (max-width: 960px) {
  .workbench { grid-template-columns: 1fr; }
  .pane.input { position: static; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  textarea { min-height: 14rem; }
}
@media (max-width: 640px) {
  header { position: static; }
  .masthead { flex-wrap: wrap; }
  nav { flex-wrap: wrap; }
  .verdict { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
}