/* =============================================================
   APPROMOVE — Roadmap page (roadmap.html)
   Two parts: 01 release history (timeline, newest first) and
   02 what's next (in testing / coming soon / future).
   Loaded after pixel.css; uses its tokens.
   ============================================================= */

/* styles.css gives body overflow-x:hidden, which makes body a scroll container and
   breaks position:sticky; clip keeps the overflow guard without that side effect */
body { overflow-x: clip; }

.page-hero { padding-bottom: 40px; }

/* ---- sticky tab bar (below the fixed 60px nav) ---- */
.rm-main { position: relative; }
.rm-tabs {
    position: sticky; top: 60px; z-index: 50;
    display: flex; gap: 8px; justify-content: center;
    padding: 10px 16px; background: var(--bg);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.rm-tabs a {
    font: 1.3rem/1 var(--px); letter-spacing: 0.02em; white-space: nowrap;
    color: var(--gray); text-decoration: none;
    padding: 10px 14px; border: 1px solid var(--border); border-radius: 4px;
    display: inline-block; text-align: center;
}
.rm-tabs a:hover { color: var(--white); border-color: var(--gray-dim); }
.rm-tabs a[aria-current="true"] { color: var(--white); border-color: var(--accent); background: #10202f; }
.rm-tabs .sh { display: none; }

/* ---- the two parts ---- */
.rm-part {
    padding: 48px 2rem 64px; background: var(--bg);
    scroll-margin-top: 64px; /* + html scroll-padding-top 60px = nav + tab bar */
}
.rm-part + .rm-part { border-top: 1px solid var(--border); background: var(--bg-soft); }
.rm-part .inner { max-width: 880px; display: grid; gap: 18px; }
.rm-part.next-part .inner { max-width: 1040px; }
.rm-h2 { font-size: clamp(2rem, 4.4vw, 2.6rem); margin: 0; }
.rm-h2 small { font-size: 0.55em; color: var(--gray-dim); margin-left: 8px; letter-spacing: 0.04em; }
.rm-lead { color: var(--gray); margin: -8px 0 0; max-width: 64ch; }

/* ---- filters ---- */
.rm-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.rm-filters button, .rm-older {
    font: 1.2rem/1 var(--px); letter-spacing: 0.02em; cursor: pointer;
    background: none; border: 1px solid var(--border); color: var(--gray);
    padding: 6px 12px; border-radius: 4px; min-height: 36px;
}
.rm-filters button:hover, .rm-older:hover { color: var(--white); border-color: var(--gray-dim); }
.rm-filters button[aria-pressed="true"] { color: var(--white); border-color: var(--accent-txt); background: #10202f; }

/* ---- timeline ---- */
.tl { list-style: none; margin: 0; padding: 0; position: relative; }
.tl::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.rel { position: relative; padding: 0 0 14px 34px; }
.rel::before {
    content: ""; position: absolute; left: 3px; top: 16px;
    width: 12px; height: 12px; background: var(--bg); border: 2px solid var(--gray-dim);
}
.rel.latest::before { border-color: var(--green); background: var(--green); }
.rel.next::before { border-color: var(--orange); border-style: dashed; }
.tl:not(.show-old) .rel.is-old { display: none; }

.rel details { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; }
.rel.latest details { border-color: #2c4a2e; }
.rel.next details { border-style: dashed; border-color: #4a3a20; }
.rel summary {
    list-style: none; cursor: pointer; padding: 12px 14px;
    display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px;
}
.rel summary::-webkit-details-marker { display: none; }
.rel summary:hover .v { color: var(--accent-txt); }
.rel .v { font: 1.8rem/1 var(--px); color: var(--white); }
.rel .d { font: 1.15rem/1 var(--px); color: var(--gray-dim); font-variant-numeric: tabular-nums; }
.rel .pill { font: 1rem/1 var(--px); letter-spacing: 0.06em; padding: 3px 7px; border-radius: 3px; border: 1px solid; }
.pill.now  { color: var(--green); border-color: #2c4a2e; }
.pill.next { color: var(--orange); border-color: #4a3a20; }
.pill.beta { color: var(--accent-txt); border-color: #23415f; }
.rel .chev { margin-left: auto; font: 1.3rem/1 var(--px); color: var(--gray-dim); }
.rel details[open] .chev { transform: rotate(90deg); }
.rel .sum { flex-basis: 100%; color: var(--gray); font-size: 0.92rem; line-height: 1.5; }

.items { list-style: none; margin: 0; padding: 2px 14px 14px; display: grid; gap: 8px; }
.items li { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 10px; align-items: baseline; font-size: 0.92rem; line-height: 1.5; color: var(--white); }
.items li[hidden] { display: none; }
.k { font: 1rem/1 var(--px); letter-spacing: 0.06em; text-align: center; padding: 3px 4px; border-radius: 3px; border: 1px solid; }
.k.n { color: var(--green); border-color: #2c4a2e; }
.k.m { color: var(--accent-txt); border-color: #23415f; }
.k.f { color: var(--orange); border-color: #4a3a20; }

.rm-older { justify-self: start; margin-left: 34px; color: var(--white); padding: 8px 14px; min-height: 40px; }
.rm-older .o-hide { display: none; }
.rm-older[aria-expanded="true"] .o-show { display: none; }
.rm-older[aria-expanded="true"] .o-hide { display: inline; }
.rm-empty { margin: 0 0 0 34px; color: var(--gray-dim); }

/* ---- what's next: three columns ---- */
.rm-cols3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: start; }
.rm-col { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; padding: 16px; display: grid; gap: 12px; }
.rm-col.a { border-top: 3px solid var(--orange); }
.rm-col.b { border-top: 3px solid var(--accent-txt); }
.rm-col.c { border-top: 3px solid var(--gray-dim); }
.rm-col h3 { margin: 0; font-size: 1.7rem; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.rm-col h3 .lbl { font-size: 1.05rem; letter-spacing: 0.06em; }
.rm-col.a h3 .lbl { color: var(--orange); }
.rm-col.b h3 .lbl { color: var(--accent-txt); }
.rm-col.c h3 .lbl { color: var(--gray-dim); }
.rm-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.rm-col li { position: relative; padding-left: 14px; font-size: 0.92rem; line-height: 1.45; }
.rm-col li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; background: var(--gray-dim); }
.rm-col.a li::before { background: var(--orange); }
.rm-col.b li::before { background: var(--accent-txt); }
.rm-col li .t { display: block; color: var(--white); font-weight: 600; }
.rm-col li .s { display: block; color: var(--gray); }

.rm-part :focus-visible, .rm-tabs :focus-visible { outline: 2px solid var(--accent-txt); outline-offset: 2px; }

/* ---- tablets / phones ---- */
@media (max-width: 860px) {
    .rm-cols3 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
    .rm-part { padding: 36px 16px 48px; }
    .rm-tabs { padding: 8px 16px; }
    .rm-tabs a { flex: 1 1 0; padding: 10px 8px; font-size: 1.25rem; }
    .rm-tabs .lg { display: none; }
    .rm-tabs .sh { display: inline; }
    .rm-h2 small { display: block; margin: 6px 0 0; }
    .items { padding: 2px 12px 12px; }
    .items li { grid-template-columns: 74px minmax(0, 1fr); gap: 8px; font-size: 15px; }
    .k { padding: 3px 2px; }
    .rm-filters button { padding: 6px 8px; font-size: 1.15rem; }
    .rel .sum, .rm-col li, .rm-lead { font-size: 15px; }
    .rel .v { font-size: 1.6rem; }
    .rm-older { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .rel details[open] .chev { transform: none; }
}