/* The LaraScan reference — the landing page's paper and ink, arranged for
   long-form reading. One stylesheet serves both editions: everything is
   written with logical properties, so html[dir=rtl] flips the whole layout
   without a single override of position. */

:root {
    --bg: #faf8f5;
    --card: #ffffff;
    --line: #e5e0d8;
    --ink: #221d16;
    --soft: #6b6257;
    --faint: #a39a8d;
    --amber: #b45309;
    --amber-soft: #fdf1e3;
    --green: #15803d;
    --red: #b91c1c;
    --mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, monospace;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html[lang=ar] {
    --sans: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Pills force LTR + mono for state names; Arabic words inside them need
   their own direction and face. unicode-bidi:plaintext lets each pill order
   itself by its own content, so English states stay English-shaped. */
html[lang=ar] .pill {
    direction: rtl;
    unicode-bidi: plaintext;
    font-family: var(--sans);
    font-size: 0.8rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-block-start: 5.5rem; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.75 var(--sans);
    -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------- header -- */

.top {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 1.4rem;
    background: color-mix(in srgb, var(--bg) 86%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-block-end: 1px solid var(--line);
}
.top img { width: 28px; height: 28px; border-radius: 7px; }
.top .word { font-weight: 650; letter-spacing: -0.01em; }
.top .doc { color: var(--soft); font-size: 0.9rem; }
.top .lang {
    margin-inline-start: auto;
    display: flex;
    gap: 0.25rem;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 0.2rem;
    background: var(--card);
}
.top .lang a {
    padding: 0.25rem 0.7rem;
    border-radius: 7px;
    text-decoration: none;
    color: var(--soft);
    font-size: 0.85rem;
    font-weight: 550;
}
.top .lang a.on { background: var(--ink); color: #fff; }
.top .app {
    text-decoration: none;
    color: var(--ink);
    font-size: 0.85rem;
    font-weight: 550;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 0.35rem 0.8rem;
    background: var(--card);
}
.top .app:hover { border-color: var(--soft); }

/* ---------------------------------------------------------------- layout -- */

.shell {
    display: grid;
    grid-template-columns: 17rem minmax(0, 1fr);
    max-width: 76rem;
    margin-inline: auto;
    gap: 3rem;
    padding: 5.5rem 1.4rem 6rem;
}

nav.side {
    position: sticky;
    top: 5.5rem;
    align-self: start;
    max-height: calc(100vh - 6.5rem);
    overflow-y: auto;
    font-size: 0.88rem;
    padding-inline-end: 0.5rem;
}
nav.side .group {
    font-size: 0.7rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--faint);
    margin: 1.4rem 0 0.4rem;
}
nav.side .group:first-child { margin-block-start: 0; }
nav.side a {
    display: block;
    color: var(--soft);
    text-decoration: none;
    padding: 0.24rem 0.6rem;
    border-inline-start: 2px solid transparent;
    border-radius: 0 6px 6px 0;
}
html[dir=rtl] nav.side a { border-radius: 6px 0 0 6px; }
nav.side a:hover { color: var(--ink); }

/* --------------------------------------------------------------- content -- */

main { min-width: 0; }

.hero { margin-block-end: 3rem; }
.hero-logo {
    width: 300px;
    height: auto;
    display: block;
    margin-block-end: 0.6rem;
    margin-inline-start: -18px;   /* the artwork carries its own padding */
}
.hero .eyebrow {
    color: var(--amber);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
}
.hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.7rem);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 0.4rem 0 0.8rem;
}
.hero p { color: var(--soft); font-size: 1.06rem; max-width: 44rem; margin: 0; }

section { margin-block-end: 3.6rem; scroll-margin-block-start: 5.5rem; }

h2 {
    font-size: 1.45rem;
    letter-spacing: -0.02em;
    margin: 0 0 0.3rem;
    padding-block-start: 1rem;
    border-block-start: 2px solid var(--ink);
}
h2 .no {
    color: var(--amber);
    font-variant-numeric: tabular-nums;
    margin-inline-end: 0.4rem;
}
h3 { font-size: 1.08rem; letter-spacing: -0.01em; margin: 1.8rem 0 0.4rem; }
p { margin: 0.6rem 0; }
p.lead { color: var(--soft); margin-block-end: 1.2rem; }
a { color: var(--amber); }
main a { text-underline-offset: 3px; }

ul, ol { padding-inline-start: 1.3rem; margin: 0.6rem 0; }
li { margin: 0.3rem 0; }
li::marker { color: var(--amber); }

code {
    font-family: var(--mono);
    font-size: 0.86em;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 0.08em 0.38em;
    white-space: nowrap;
    unicode-bidi: embed;
    direction: ltr;
}

/* state pill, e.g. read states */
.pill {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.74rem;
    border: 1px solid var(--line);
    background: var(--card);
    border-radius: 999px;
    padding: 0.1rem 0.6rem;
    direction: ltr;
    unicode-bidi: embed;
}
.pill.ok { border-color: #bbe5c8; background: #ecfdf3; color: var(--green); }
.pill.warn { border-color: #f3d9ab; background: var(--amber-soft); color: var(--amber); }
.pill.bad { border-color: #f1c1c1; background: #fdf0f0; color: var(--red); }

/* flow arrows */
.flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    margin: 1rem 0;
    padding: 0.9rem 1.1rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
}
.flow .sep { color: var(--faint); }
html[dir=rtl] .flow .sep { transform: scaleX(-1); display: inline-block; }

/* callout */
.note {
    border-inline-start: 3px solid var(--amber);
    background: var(--amber-soft);
    border-radius: 0 10px 10px 0;
    padding: 0.8rem 1.1rem;
    margin: 1.1rem 0;
    color: #7a4a12;
    font-size: 0.95rem;
}
html[dir=rtl] .note { border-radius: 10px 0 0 10px; }
.note b { color: #5d3809; }

/* tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.93rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
}
th {
    text-align: start;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--faint);
    padding: 0.6rem 0.9rem;
    border-block-end: 1px solid var(--ink);
    background: var(--bg);
}
td {
    padding: 0.55rem 0.9rem;
    border-block-end: 1px solid var(--line);
    vertical-align: top;
}
tr:last-child td { border-block-end: none; }
.tblwrap { overflow-x: auto; }

/* glossary */
dl.gloss { margin: 1rem 0 0; }
dl.gloss dt {
    font-weight: 650;
    margin-block-start: 1.05rem;
    letter-spacing: -0.01em;
}
dl.gloss dt code { font-weight: 500; }
dl.gloss dd {
    margin: 0.15rem 0 0;
    margin-inline-start: 0;
    color: var(--soft);
}

footer {
    border-block-start: 1px solid var(--line);
    margin-block-start: 4rem;
    padding-block-start: 1.4rem;
    color: var(--faint);
    font-size: 0.85rem;
}

/* --------------------------------------------------------------- mobile --- */

@media (max-width: 60rem) {
    .shell { grid-template-columns: 1fr; gap: 0; padding-block-start: 4.6rem; }
    nav.side {
        position: static;
        max-height: none;
        border: 1px solid var(--line);
        background: var(--card);
        border-radius: 12px;
        padding: 1rem 1.1rem;
        margin-block-end: 2.2rem;
        columns: 2;
    }
    nav.side .group { break-after: avoid; }
    .top .doc { display: none; }
}