/* ============================================================
   Breadcrumb styles 1–10. Style 0 (no modifier) = original design in style.css.
   The active one is chosen in Admin → Breadcrumbs (setting BREADCRUMB_STYLE),
   which adds .bc-N to <nav class="breadcrumb">.
   ============================================================ */

/* shared helpers for variants that replace the chevron with text separators */
.breadcrumb[class*="bc-"] .breadcrumb__item a .material-symbols-outlined { font-size: 16px; }

/* ---------- 1 · Pill chips: every step is a chip, current page filled ---------- */
.bc-1 .breadcrumb__list { gap: .45rem; }
.bc-1 .breadcrumb__item a {
    background: var(--surface); border: 1px solid var(--border); padding: .4rem .9rem;
}
.bc-1 .breadcrumb__item a:hover { border-color: var(--accent); background: var(--accent-soft); }
.bc-1 .breadcrumb__item.is-current > span {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 8px 20px -10px var(--accent-shadow);
}
.bc-1 .breadcrumb__item.is-current > span::before { background: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,.3); }

/* ---------- 2 · Arrow steps: segmented chevron bar ---------- */
.bc-2 .breadcrumb__list { gap: 0; filter: drop-shadow(0 8px 18px rgba(0,0,0,.08)); }
.bc-2 .breadcrumb__sep { display: none; }
.bc-2 .breadcrumb__item a,
.bc-2 .breadcrumb__item.is-current > span {
    border-radius: 0; border: 0; padding: .6rem 1.3rem .6rem 1.6rem; margin-left: -.55rem;
    background: var(--surface); color: var(--text-soft);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%, 12px 50%);
}
.bc-2 .breadcrumb__item:first-child a { margin-left: 0; padding-left: 1.1rem; border-radius: 10px 0 0 10px; clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%); }
.bc-2 .breadcrumb__item:nth-child(2) a, .bc-2 .breadcrumb__item:nth-child(2) > span { background: var(--bg-soft); }
.bc-2 .breadcrumb__item a:hover { background: var(--accent-soft); color: var(--accent); }
.bc-2 .breadcrumb__item.is-current > span { background: var(--accent); color: #fff; font-weight: 700; }
.bc-2 .breadcrumb__item.is-current > span::before { display: none; }

/* ---------- 3 · Minimal slash: editorial, uppercase, hairline separators ---------- */
.bc-3 .breadcrumb__list { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; gap: .2rem; }
.bc-3 .breadcrumb__sep svg { display: none; }
.bc-3 .breadcrumb__sep::before { content: '/'; font-weight: 300; font-size: 1rem; opacity: .7; }
.bc-3 .breadcrumb__item a { padding: .3rem .5rem; border-radius: 4px; }
.bc-3 .breadcrumb__item a:hover { background: none; color: var(--heading); }
.bc-3 .breadcrumb__item a .material-symbols-outlined { display: none; }
.bc-3 .breadcrumb__item.is-current > span { background: none; border: 0; padding: .3rem .5rem; color: var(--accent); }
.bc-3 .breadcrumb__item.is-current > span::before { display: none; }

/* ---------- 4 · Glass bar: the whole trail inside a frosted capsule ---------- */
.bc-4 .breadcrumb__list {
    display: inline-flex; padding: .35rem; border-radius: 16px;
    background: color-mix(in srgb, var(--surface) 72%, transparent);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 14px 34px -22px rgba(0,0,0,.35);
}
.bc-4 .breadcrumb__item a { border-radius: 11px; }
.bc-4 .breadcrumb__item.is-current > span { border: 0; border-radius: 11px; background: var(--bg-deep); color: var(--text-on-deep); }
.bc-4 .breadcrumb__item.is-current > span::before { background: var(--accent); box-shadow: none; }

/* ---------- 5 · Underline: plain links with an animated accent underline ---------- */
.bc-5 .breadcrumb__list { gap: .2rem .5rem; font-size: .9rem; }
.bc-5 .breadcrumb__item a { padding: .3rem 0; border-radius: 0; position: relative; }
.bc-5 .breadcrumb__item a::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
    background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.bc-5 .breadcrumb__item a:hover { background: none; }
.bc-5 .breadcrumb__item a:hover::after { transform: scaleX(1); }
.bc-5 .breadcrumb__item.is-current > span { background: none; border: 0; border-radius: 0; padding: .3rem 0; border-bottom: 2px solid var(--accent); }
.bc-5 .breadcrumb__item.is-current > span::before { display: none; }

/* ---------- 6 · Dots: soft, compact, middle-dot separators ---------- */
.bc-6 .breadcrumb__list { gap: .1rem; font-size: .84rem; }
.bc-6 .breadcrumb__sep svg { display: none; }
.bc-6 .breadcrumb__sep::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); opacity: .9; margin: 0 .2rem; }
.bc-6 .breadcrumb__sep { opacity: 1; }
.bc-6 .breadcrumb__item a { padding: .3rem .55rem; }
.bc-6 .breadcrumb__item.is-current > span { background: none; border: 0; padding: .3rem .55rem; color: var(--accent); }
.bc-6 .breadcrumb__item.is-current > span::before { display: none; }

/* ---------- 7 · Dark ribbon: full-width deep strip under the header ---------- */
.bc-7 { padding-top: 78px; background: var(--bg-deep); }
.bc-7 .container { padding-top: .75rem; padding-bottom: .75rem; }
.bc-7 .breadcrumb__item a { color: rgba(234,239,239,.7); }
.bc-7 .breadcrumb__item a:hover { background: rgba(255,255,255,.08); color: #fff; }
.bc-7 .breadcrumb__sep { color: rgba(234,239,239,.6); }
.bc-7 .breadcrumb__item.is-current > span { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); color: #fff; }
.bc-7 + * .page-hero, main:has(> .bc-7) .page-hero { padding-top: 3rem; }
@media (max-width: 600px) { .bc-7 { padding-top: 64px; } }

/* ---------- 8 · Terminal path: monospace, like a file path ---------- */
.bc-8 .breadcrumb__list {
    display: inline-flex; gap: 0; padding: .5rem .9rem; border-radius: 10px;
    background: var(--bg-deep); color: var(--text-on-deep);
    font: 500 .84rem/1.4 ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
}
.bc-8 .breadcrumb__list::before { content: '~'; color: #22c55e; margin-right: .1rem; }
.bc-8 .breadcrumb__item a { padding: 0; border-radius: 0; color: rgba(234,239,239,.75); text-transform: lowercase; }
.bc-8 .breadcrumb__item a .material-symbols-outlined { display: none; }
.bc-8 .breadcrumb__item a:hover { background: none; color: #fff; text-decoration: underline; }
.bc-8 .breadcrumb__item:first-child a { display: none; }
.bc-8 .breadcrumb__sep svg { display: none; }
.bc-8 .breadcrumb__sep::before { content: '/'; color: var(--accent); margin: 0 .15rem; }
.bc-8 .breadcrumb__sep { opacity: 1; }
.bc-8 .breadcrumb__item.is-current > span { background: none; border: 0; padding: 0; color: var(--accent); text-transform: lowercase; }
.bc-8 .breadcrumb__item.is-current > span::before { display: none; }
.bc-8 .breadcrumb__item.is-current > span::after { content: '▌'; color: var(--accent); margin-left: .15rem; animation: bc-blink 1s steps(1) infinite; }
@keyframes bc-blink { 50% { opacity: 0; } }

/* ---------- 9 · Numbered steps: each level gets a round number ---------- */
.bc-9 .breadcrumb__list { counter-reset: bc; gap: .3rem .4rem; }
.bc-9 .breadcrumb__item { counter-increment: bc; }
.bc-9 .breadcrumb__item a .material-symbols-outlined { display: none; }
.bc-9 .breadcrumb__item a::before,
.bc-9 .breadcrumb__item.is-current > span::before {
    content: counter(bc); display: inline-grid; place-items: center;
    width: 20px; height: 20px; border-radius: 50%; margin-right: .1rem;
    font-size: .7rem; font-weight: 700; box-shadow: none;
    background: var(--bg-soft); color: var(--text-soft); border: 1px solid var(--border);
}
.bc-9 .breadcrumb__item a { padding: .3rem .6rem .3rem .3rem; }
.bc-9 .breadcrumb__item.is-current > span { background: none; border: 0; padding: .3rem .3rem; }
.bc-9 .breadcrumb__item.is-current > span::before { background: var(--accent); color: #fff; border-color: var(--accent); vertical-align: 1px; margin-right: .45rem; }
.bc-9 .breadcrumb__sep svg { display: none; }
.bc-9 .breadcrumb__sep::before { content: ''; width: 18px; height: 1px; background: var(--border); }
.bc-9 .breadcrumb__sep { opacity: 1; }

/* ---------- 10 · Gradient capsule: accent gradient, white text ---------- */
.bc-10 .breadcrumb__list {
    display: inline-flex; padding: .3rem; border-radius: 999px;
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    box-shadow: 0 14px 30px -16px var(--accent-shadow);
}
.bc-10 .breadcrumb__item a { color: rgba(255,255,255,.88); }
.bc-10 .breadcrumb__item a:hover { background: rgba(255,255,255,.18); color: #fff; }
.bc-10 .breadcrumb__sep { color: #fff; opacity: .7; }
.bc-10 .breadcrumb__item.is-current > span { background: #fff; border: 0; color: var(--accent-strong); }
.bc-10 .breadcrumb__item.is-current > span::before { background: var(--accent); box-shadow: none; }