/* Shared "spec sheet" theme. Per-site --accent / --accent-light are set on <html> from site.php. */
:root {
    --accent: #0E7C86;
    --accent-light: #8ED8DE;
    --ink: #22303A;
    --text-2: #3D4C57;
    --muted: #5B6B76;
    --line: #C5D0D7;
    --line-soft: #DCE3E8;
    --row: #E6EBEF;
    --tint: #F2F5F7;
    --page: #E4EAEE;
    --ok: #2E8B57;
    --error: #B23B1E;
    --sans: 'Source Sans 3', system-ui, sans-serif;
    --mono: 'Source Code Pro', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; }
body {
    background: var(--page); color: var(--ink);
    font-family: var(--sans); font-size: 16px; line-height: 1.55;
    padding: 40px 16px 48px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.box {
    max-width: 1060px; margin: 0 auto; background: #FFFFFF;
    border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
}

.mono { font-family: var(--mono); }

/* header: plain */
.top {
    padding: 28px 32px 22px;
    display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px;
}
.tagline { margin: 0 0 4px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.logo { margin: 0; font-size: 44px; line-height: 1; font-weight: 700; letter-spacing: -0.01em; }
.logo a { color: inherit; }
.logo a:hover { text-decoration: none; }
.logo .cursor { color: var(--accent); }
.status { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex: none; }

/* header: band */
.band {
    background-color: #1F2B33;
    background-image: radial-gradient(#34444F 1px, transparent 1px);
    background-size: 16px 16px;
    color: #FFFFFF;
}
.band .top { padding: 36px 32px 28px; }
.band .tagline, .band .status { color: #A9B8C2; }
.band .logo { font-size: 52px; }
.band .logo .cursor { color: var(--accent-light); }
.band .dot { background: #5BD18B; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border-top: 1px solid #3A4A55; }
.facts div { padding: 14px 32px; border-right: 1px solid #3A4A55; }
.facts div:last-child { border-right: 0; }
.facts b { display: block; font-family: var(--mono); font-size: 20px; font-weight: 600; color: var(--accent-light); }
.facts span { font-size: 13px; color: #A9B8C2; }

/* nav */
.nav {
    background: var(--tint); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
    padding: 0 20px; display: flex; flex-wrap: wrap; font-size: 15px; font-weight: 600;
}
.band + .nav { border-top: 0; }
.nav a { padding: 12px 14px; color: var(--text-2); border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.on { color: var(--ink); border-bottom-color: var(--accent); }

/* hero (stream log variant) */
.hero {
    padding: 36px 32px; display: flex; flex-wrap: wrap; gap: 32px; align-items: center;
    border-bottom: 1px solid var(--line-soft);
}
.hero > div { flex: 1 1 340px; min-width: 0; }
.hero h2 { margin: 0 0 12px; font-size: 34px; line-height: 1.15; font-weight: 700; letter-spacing: -0.01em; }
.hero p { margin: 0 0 20px; color: var(--text-2); }
.log { flex: 1 1 460px; min-width: 0; margin: 0; border: 1px solid var(--line); border-radius: 4px; background: #F7F9FA; overflow: hidden; }
.log figcaption {
    padding: 7px 14px; border-bottom: 1px solid var(--line); background: #EEF2F4;
    font-family: var(--mono); font-size: 12px; color: var(--muted);
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px;
}
.log pre { margin: 0; padding: 14px; font-family: var(--mono); font-size: 13px; line-height: 1.75; overflow-x: auto; color: var(--text-2); }
.log .who { color: #8796A1; }
.log .s { color: var(--accent); }
.log .note { color: #5F7F50; }

/* body */
.cols { padding: 32px; display: flex; flex-wrap: wrap; gap: 32px; }
.main { flex: 999 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }
.side { flex: 1 1 280px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }

h2.title { margin: 0 0 8px; font-size: 24px; font-weight: 700; }
.main p { margin: 0 0 8px; }
.main p:last-child { margin-bottom: 0; }

.panel { border: 1px solid var(--line); border-radius: 4px; }
.panel > h2 {
    margin: 0; padding: 10px 16px; background: var(--tint); border-bottom: 1px solid var(--line);
    font-size: 15px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.side .panel > h2 { padding: 10px 14px; }

.kv { font-family: var(--mono); font-size: 14px; }
.kv div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 14px; border-bottom: 1px solid var(--row); }
.kv div:last-child { border-bottom: 0; }
.kv span:first-child { color: var(--muted); }

.list { margin: 0; padding: 10px 14px; list-style: none; font-size: 14px; display: flex; flex-direction: column; gap: 5px; }
.list .xep { font-family: var(--mono); color: var(--accent); font-weight: 600; margin-right: 4px; }
.list .dim { color: var(--muted); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.features div { display: flex; flex-direction: column; gap: 6px; }
.features svg { stroke: var(--accent); }
.features h3 { margin: 0; font-size: 16px; font-weight: 700; }
.features p { margin: 0; font-size: 15px; color: var(--text-2); }

/* form */
.form { padding: 20px 16px; display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 14px; font-weight: 600; }
.field label small { font-size: 14px; font-weight: 400; color: var(--muted); }
.pair { display: flex; flex-wrap: wrap; gap: 14px; }
.pair .field { flex: 1 1 200px; }
.input { border: 1px solid #AEBBC4; padding: 10px 12px; font-family: var(--sans); font-size: 15px; border-radius: 0; background: #FFFFFF; color: var(--ink); }
.input:focus, .jid:focus-within { outline: 2px solid var(--accent); outline-offset: -1px; }
.jid { display: flex; border: 1px solid #AEBBC4; }
.jid input { flex: 1 1 auto; min-width: 0; border: 0; padding: 10px 12px; font-family: var(--mono); font-size: 15px; outline: none; background: #FFFFFF; color: var(--ink); }
.jid span { padding: 10px 12px; background: var(--tint); border-left: 1px solid #AEBBC4; font-family: var(--mono); font-size: 15px; color: var(--muted); }
.hint { font-size: 13px; color: var(--muted); }
.err { margin: 0; font-size: 14px; color: var(--error); }
.notice { margin: 0; padding: 12px 14px; border: 1px solid var(--error); color: var(--error); font-size: 15px; background: #FDF4F1; }
.notice.ok { border-color: var(--ok); color: #1F6B41; background: #F0F8F3; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 46px; padding: 0 28px; border: 0; border-radius: 3px; cursor: pointer;
    background: var(--accent); color: #FFFFFF;
    font-family: var(--sans); font-size: 15px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.fine { font-size: 13px; color: var(--muted); }

/* prose pages */
.prose { max-width: 720px; }
.prose h2 { margin: 24px 0 8px; font-size: 20px; }
.prose h2:first-child { margin-top: 0; }
.prose ul { margin: 0; padding-left: 20px; }
.prose li { margin-bottom: 6px; }

/* footer */
.foot {
    border-top: 1px solid var(--line-soft); padding: 16px 32px;
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
    font-size: 13px; color: var(--muted);
}
.foot nav { display: flex; flex-wrap: wrap; gap: 18px; }

@media (max-width: 600px) {
    body { padding: 16px 8px 24px; }
    .top, .band .top { padding: 22px 18px 18px; }
    .logo { font-size: 34px; }
    .band .logo { font-size: 38px; }
    .facts div { padding: 12px 18px; }
    .nav { padding: 0 6px; }
    .hero, .cols { padding: 22px 18px; }
    .hero h2 { font-size: 28px; }
    .foot { padding: 16px 18px; }
}