/* ==========================================================================
   Frostcaller — page styling
   A frosted, wintry layer on top of the shared enchanted theme (theme.css).
   Reuses --violet / --pink / --cyan / --gold tokens.
   ========================================================================== */

:root {
    --panel: rgba(20, 14, 48, 0.58);
    --panel-border: rgba(34, 211, 238, 0.26);
    --frost: #7fe6f7;
    --frost-line: rgba(127, 230, 247, 0.28);
    --mono: 'JetBrains Mono', 'Courier New', monospace;
}

a {
    color: var(--frost);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header ------------------------------------------------------------------- */
.page-nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.page-nav a {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: all 0.2s var(--ease);
}

.page-nav a:hover,
.page-nav a:focus-visible {
    color: #fff;
    border-color: var(--frost-line);
    background: rgba(127, 230, 247, 0.08);
    text-decoration: none;
}

/* Hero --------------------------------------------------------------------- */
.hero {
    text-align: center;
    padding: 62px 0 34px;
}

.eyebrow {
    font-family: var(--mono);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.3rem, 8vw, 4.6rem);
    line-height: 1.03;
    letter-spacing: 2px;
}

.glow {
    background: var(--spell);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 8s linear infinite;
    filter: drop-shadow(0 0 22px rgba(127, 230, 247, 0.4));
}

.hero-sub {
    max-width: 700px;
    margin: 22px auto 28px;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.hero-sub strong {
    color: var(--text);
}

.hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-facts {
    list-style: none;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 34px;
}

.hero-facts li {
    display: grid;
    gap: 2px;
    min-width: 120px;
    padding: 12px 18px;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
}

.fact-k {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 900;
    color: var(--frost);
}

.fact-v {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.35;
}

/* Section scaffolding ------------------------------------------------------ */
.section {
    padding: 30px 0 18px;
}

.section-head {
    text-align: center;
    margin-bottom: 26px;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.5rem, 3.6vw, 2.2rem);
    letter-spacing: 1px;
}

.section-sub {
    max-width: 640px;
    margin: 10px auto 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 30px 0;
}

.glass-panel {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--shadow);
}

.caveat {
    margin: 22px auto 0;
    max-width: 860px;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-left: 3px solid var(--gold);
    background: rgba(251, 191, 36, 0.06);
    padding: 14px 18px;
    border-radius: 0 12px 12px 0;
}

.caveat strong {
    color: var(--gold);
}

/* Explainer ---------------------------------------------------------------- */
.explainer {
    list-style: none;
    counter-reset: ex;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
    gap: 16px;
}

.explainer li {
    counter-increment: ex;
    position: relative;
    padding: 22px 20px 20px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    background: var(--card);
}

.explainer li::after {
    content: counter(ex);
    position: absolute;
    top: 12px;
    right: 16px;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.07);
    line-height: 1;
}

.ex-glyph {
    font-size: 1.7rem;
    display: block;
    margin-bottom: 8px;
}

.explainer h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.explainer p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Picker ------------------------------------------------------------------- */
.picker-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.q {
    border: 0;
    padding: 0 0 18px;
    margin: 0 0 18px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.09);
    min-inline-size: 0;
}

.q:last-of-type {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
}

.q-title {
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.q-hint {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--card-border);
    border-radius: 999px;
    padding: 8px 14px;
    cursor: pointer;
    transition: all 0.18s var(--ease);
    text-align: left;
}

.chip:hover {
    color: #fff;
    border-color: var(--frost-line);
}

.chip[aria-checked="true"] {
    color: var(--night-0);
    background: linear-gradient(120deg, var(--frost), var(--violet));
    border-color: transparent;
    font-weight: 700;
}

.q select {
    font: inherit;
    font-size: 0.88rem;
    color: var(--text);
    background: rgba(11, 5, 36, 0.9);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 10px 12px;
    width: 100%;
    max-width: 420px;
    cursor: pointer;
}

.q select option {
    background: var(--night-1);
    color: var(--text);
}

.picker-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px dashed rgba(255, 255, 255, 0.09);
}

/* Result card -------------------------------------------------------------- */
.result {
    position: sticky;
    top: 84px;
}

.result h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.result-lead {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--mono);
    margin-bottom: 12px;
}

.winner {
    border: 1px solid var(--frost-line);
    background: rgba(127, 230, 247, 0.07);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 14px;
}

.winner-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.winner-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.why {
    list-style: none;
    display: grid;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.why li::before {
    content: '✦ ';
    color: var(--gold);
}

.result h4 {
    font-size: 0.78rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: var(--mono);
    color: var(--text-muted);
    margin: 16px 0 8px;
}

.runners {
    display: grid;
    gap: 8px;
}

.runner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    padding: 9px 12px;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    width: 100%;
    font-family: inherit;
    color: var(--text-muted);
    cursor: pointer;
    text-align: left;
}

.runner:hover {
    color: #fff;
    border-color: var(--frost-line);
}

.runner .r-cost {
    color: var(--gold);
    font-family: var(--mono);
    font-size: 0.78rem;
    white-space: nowrap;
}

.shop {
    list-style: none;
    display: grid;
    gap: 6px;
    font-size: 0.85rem;
}

.shop li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--text-muted);
    padding-bottom: 5px;
    border-bottom: 1px dotted rgba(255, 255, 255, 0.08);
}

.shop .s-cost {
    color: var(--gold);
    font-family: var(--mono);
    font-size: 0.78rem;
    white-space: nowrap;
}

.shop-total {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
    font-weight: 700;
    font-size: 0.9rem;
}

.shop-total span:last-child {
    color: var(--frost);
    font-family: var(--mono);
}

.notes {
    list-style: none;
    display: grid;
    gap: 8px;
    font-size: 0.84rem;
    color: var(--text-muted);
}

.notes li {
    border-left: 2px solid var(--violet);
    padding-left: 10px;
}

.notes code,
.result code {
    font-family: var(--mono);
    font-size: 0.82em;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 5px;
    padding: 1px 5px;
    color: var(--frost);
}

/* Path cards --------------------------------------------------------------- */
.path-list {
    display: grid;
    gap: 16px;
}

.path {
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    background: var(--card);
    overflow: hidden;
    scroll-margin-top: 90px;
}

.path.is-pick {
    border-color: var(--frost);
    box-shadow: 0 0 0 1px rgba(127, 230, 247, 0.25), 0 18px 44px rgba(0, 0, 0, 0.4);
}

.path-head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
    width: 100%;
    padding: 20px;
    background: none;
    border: 0;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.path-head:hover {
    background: rgba(255, 255, 255, 0.03);
}

.path-glyph {
    font-size: 2rem;
    line-height: 1;
}

.path-name {
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pick-flag {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--night-0);
    background: var(--frost);
    border-radius: 999px;
    padding: 3px 9px;
}

.path-sub {
    font-size: 0.86rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.path-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tag {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    padding: 3px 9px;
    border-radius: 999px;
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
}

.tag.cost {
    color: var(--gold);
    border-color: rgba(251, 191, 36, 0.35);
}

.tag.good {
    color: var(--frost);
    border-color: var(--frost-line);
}

.tag.warn {
    color: var(--pink);
    border-color: rgba(236, 72, 153, 0.35);
}

.path-toggle {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.path-toggle .caret {
    display: inline-block;
    transition: transform 0.25s var(--ease);
}

.path-head[aria-expanded="true"] .caret {
    transform: rotate(180deg);
}

.path-body {
    padding: 0 20px 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.path-body[hidden] {
    display: none;
}

.ends {
    margin: 18px 0;
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.25);
    font-size: 0.9rem;
}

.ends strong {
    color: var(--violet);
}

.pro-con {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.pro-con ul {
    list-style: none;
    display: grid;
    gap: 6px;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.pro-con h4 {
    font-size: 0.76rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: var(--mono);
    margin-bottom: 8px;
}

.pros h4 {
    color: var(--frost);
}

.cons h4 {
    color: var(--pink);
}

.pros li::before {
    content: '+ ';
    color: var(--frost);
    font-weight: 700;
}

.cons li::before {
    content: '− ';
    color: var(--pink);
    font-weight: 700;
}

/* Steps -------------------------------------------------------------------- */
/* A grid item's automatic minimum size is its min-content width, and a code
   block does not wrap — so without these two lines a long YAML line stretches
   the whole step past the edge of a phone screen, where `.path` clips it. */
.steps {
    list-style: none;
    counter-reset: step;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
}

.steps > li {
    counter-increment: step;
    position: relative;
    min-width: 0;
    padding-left: 46px;
}

.steps > li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    font-family: var(--mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--night-0);
    background: linear-gradient(140deg, var(--frost), var(--violet));
    border-radius: 50%;
}

.step-title {
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 6px;
    padding-top: 4px;
}

.steps p {
    font-size: 0.89rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.steps p:last-child {
    margin-bottom: 0;
}

.steps ul {
    list-style: none;
    display: grid;
    gap: 5px;
    font-size: 0.87rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.steps ul li::before {
    content: '· ';
    color: var(--frost);
    font-weight: 700;
}

.step-note {
    font-size: 0.84rem;
    border-left: 3px solid var(--cyan);
    background: rgba(34, 211, 238, 0.06);
    padding: 10px 14px;
    border-radius: 0 10px 10px 0;
    color: var(--text-muted);
    margin: 10px 0;
}

.step-note.warn {
    border-left-color: var(--pink);
    background: rgba(236, 72, 153, 0.07);
}

.step-note strong {
    color: var(--text);
}

.steps code,
.chapter-body code,
.explainer code {
    font-family: var(--mono);
    font-size: 0.84em;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 5px;
    padding: 1px 5px;
    color: var(--frost);
}

/* Code blocks -------------------------------------------------------------- */
.code {
    position: relative;
    margin: 12px 0;
    min-width: 0;
    border: 1px solid rgba(127, 230, 247, 0.2);
    border-radius: 12px;
    background: rgba(3, 2, 10, 0.75);
    overflow: hidden;
}

.code-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 7px 10px 7px 14px;
    background: rgba(127, 230, 247, 0.07);
    border-bottom: 1px solid rgba(127, 230, 247, 0.16);
}

.code-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--frost);
}

.copy-btn {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 7px;
    padding: 4px 10px;
    cursor: pointer;
    transition: all 0.18s var(--ease);
}

.copy-btn:hover {
    color: var(--night-0);
    background: var(--frost);
    border-color: transparent;
}

.code pre {
    margin: 0;
    padding: 14px;
    overflow-x: auto;
}

.code code {
    font-family: var(--mono);
    font-size: 0.8rem;
    line-height: 1.6;
    color: #d9e6f2;
    background: none;
    border: 0;
    padding: 0;
    white-space: pre;
}

/* Parts -------------------------------------------------------------------- */
.part-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    gap: 14px;
}

.part {
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: var(--card);
    padding: 16px;
    display: grid;
    gap: 8px;
    align-content: start;
}

.part-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
}

.part-name {
    font-weight: 700;
    font-size: 0.95rem;
}

.part-price {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--gold);
    white-space: nowrap;
}

.part-why {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.part-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 2px;
}

.mini-btn {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-muted);
    border: 1px solid var(--card-border);
    border-radius: 999px;
    padding: 5px 12px;
    transition: all 0.2s var(--ease);
}

.mini-btn:hover {
    color: var(--night-0);
    background: var(--frost);
    border-color: transparent;
    text-decoration: none;
}

.part-used {
    font-size: 0.74rem;
    color: var(--text-muted);
    font-family: var(--mono);
}

/* Drawer / inventory ------------------------------------------------------- */
.inv-group {
    padding-bottom: 14px;
    margin-bottom: 14px;
}

.inv-group .q-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.chip[aria-pressed="true"] {
    color: var(--night-0);
    background: linear-gradient(120deg, var(--frost), var(--violet));
    border-color: transparent;
    font-weight: 700;
}

.chip[aria-pressed="true"]::before {
    content: '✓';
    font-weight: 900;
}

.ready-rows {
    display: grid;
    gap: 8px;
    margin-top: 6px;
}

.ready-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    width: 100%;
    font: inherit;
    text-align: left;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.2s var(--ease);
}

.ready-row:hover {
    color: #fff;
    border-color: var(--frost-line);
}

.ready-row.is-ready {
    border-color: var(--frost);
    background: rgba(127, 230, 247, 0.08);
}

.rr-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.rr-glyph {
    font-size: 1.25rem;
    line-height: 1;
}

.rr-text {
    display: grid;
    min-width: 0;
}

.rr-name {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text);
}

.rr-need {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.rr-cost {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--gold);
    white-space: nowrap;
}

.rr-cost.free {
    color: var(--frost);
}

.shop.have li {
    border-bottom-style: solid;
    border-bottom-color: rgba(127, 230, 247, 0.15);
}

.s-cost.free {
    color: var(--frost);
}

/* Ready-made devices ------------------------------------------------------- */
.ready-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(330px, 100%), 1fr));
    gap: 14px;
}

.ready-card {
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: var(--card);
    padding: 18px;
    display: grid;
    gap: 10px;
    align-content: start;
}

.ready-card.is-best {
    border-color: var(--frost);
    box-shadow: 0 0 0 1px rgba(127, 230, 247, 0.2);
}

.ready-card.is-warn {
    border-color: rgba(236, 72, 153, 0.3);
}

.ready-card .part-name {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ready-card .path-meta {
    margin-top: 0;
}

/* Software bench ----------------------------------------------------------- */
.sw-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
    gap: 14px;
}

.sw-card {
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: var(--card);
    padding: 16px;
    display: grid;
    gap: 8px;
    align-content: start;
}

.sw-card.is-key {
    border-color: var(--frost-line);
    background: rgba(127, 230, 247, 0.05);
}

.sw-name {
    font-size: 0.98rem;
    font-weight: 700;
}

.sw-what {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sw-card .mini-btn {
    justify-self: start;
}

.sub-head {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.6vw, 1.6rem);
    text-align: center;
    margin: 44px 0 8px;
    scroll-margin-top: 90px;
}

.sub-lead {
    max-width: 640px;
    margin: 0 auto 22px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* ==========================================================================
   Themes — each one only re-points the shared tokens from theme.css.
   `:root[data-theme]` beats theme.css's bare `:root`, so nothing needs !important.
   ========================================================================== */
:root[data-theme="ember"] {
    --violet: #f97316;
    --pink: #ef4444;
    --cyan: #fbbf24;
    --gold: #fcd34d;
    --night-0: #100603;
    --night-1: #1c0a05;
    --night-2: #2a1108;
    --text: #fdf1e3;
    --text-muted: #cbab8e;
    --card: rgba(60, 26, 12, 0.55);
    --card-border: rgba(249, 115, 22, 0.28);
    --frost: #fbbf24;
    --frost-line: rgba(251, 191, 36, 0.3);
    --panel: rgba(48, 20, 9, 0.6);
    --panel-border: rgba(249, 115, 22, 0.26);
}

:root[data-theme="paper"] {
    --night-0: #f4f2fa;
    --night-1: #ffffff;
    --night-2: #e9e5f6;
    --violet: #6d28d9;
    --pink: #be185d;
    --cyan: #0e7490;
    --gold: #a16207;
    --text: #1a1524;
    --text-muted: #4b4560;
    --card: rgba(255, 255, 255, 0.9);
    --card-border: rgba(109, 40, 217, 0.22);
    --shadow: 0 10px 26px rgba(60, 40, 110, 0.13);
    --frost: #0e7490;
    --frost-line: rgba(14, 116, 144, 0.3);
    --panel: rgba(255, 255, 255, 0.92);
    --panel-border: rgba(109, 40, 217, 0.18);
}

:root[data-theme="contrast"] {
    --night-0: #000000;
    --night-1: #050505;
    --night-2: #0d0d0d;
    --text: #ffffff;
    --text-muted: #c9c9c9;
    --violet: #b388ff;
    --pink: #ff8ac4;
    --cyan: #6fe3ff;
    --gold: #ffd257;
    --card: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.32);
    --frost: #6fe3ff;
    --frost-line: rgba(255, 255, 255, 0.35);
    --panel: rgba(255, 255, 255, 0.05);
    --panel-border: rgba(255, 255, 255, 0.3);
}

:root[data-theme="aurora"] {
    --violet: #34d399;
    --pink: #22d3ee;
    --cyan: #a3e635;
    --gold: #fde047;
    --night-0: #04100c;
    --night-1: #07211a;
    --night-2: #0b3128;
    --text: #e6fff5;
    --text-muted: #93c6b2;
    --card: rgba(10, 55, 42, 0.5);
    --card-border: rgba(52, 211, 153, 0.28);
    --frost: #34d399;
    --frost-line: rgba(52, 211, 153, 0.3);
    --panel: rgba(8, 45, 35, 0.6);
    --panel-border: rgba(52, 211, 153, 0.26);
}

:root[data-theme="candy"] {
    --violet: #f472b6;
    --pink: #fb7185;
    --cyan: #c084fc;
    --gold: #fcd34d;
    --night-0: #1a0616;
    --night-1: #2b0a25;
    --night-2: #3d0f34;
    --text: #ffeaf7;
    --text-muted: #d9a3c9;
    --card: rgba(78, 20, 66, 0.55);
    --card-border: rgba(244, 114, 182, 0.32);
    --frost: #f9a8d4;
    --frost-line: rgba(249, 168, 212, 0.35);
    --panel: rgba(62, 15, 53, 0.6);
    --panel-border: rgba(244, 114, 182, 0.28);
}

:root[data-theme="vapor"] {
    --violet: #d946ef;
    --pink: #f0abfc;
    --cyan: #22d3ee;
    --gold: #fde68a;
    --night-0: #10021f;
    --night-1: #1c0533;
    --night-2: #2a0a4a;
    --text: #f5e9ff;
    --text-muted: #b39bd6;
    --card: rgba(51, 13, 87, 0.55);
    --card-border: rgba(217, 70, 239, 0.32);
    --frost: #22d3ee;
    --frost-line: rgba(34, 211, 238, 0.35);
    --panel: rgba(40, 10, 70, 0.6);
    --panel-border: rgba(217, 70, 239, 0.26);
}

:root[data-theme="slate"] {
    --violet: #64748b;
    --pink: #94a3b8;
    --cyan: #38bdf8;
    --gold: #cbd5e1;
    --night-0: #0b0f14;
    --night-1: #111820;
    --night-2: #1a2531;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --card: rgba(30, 41, 55, 0.6);
    --card-border: rgba(148, 163, 184, 0.24);
    --frost: #38bdf8;
    --frost-line: rgba(56, 189, 248, 0.28);
    --panel: rgba(24, 33, 45, 0.7);
    --panel-border: rgba(148, 163, 184, 0.2);
}

:root[data-theme="blueprint"] {
    --violet: #ffffff;
    --pink: #bfdbfe;
    --cyan: #ffffff;
    --gold: #fde68a;
    --night-0: #08315e;
    --night-1: #0a3c73;
    --night-2: #0d4a8c;
    --text: #f0f7ff;
    --text-muted: #a8c8ec;
    --card: rgba(12, 66, 124, 0.55);
    --card-border: rgba(255, 255, 255, 0.3);
    --frost: #ffffff;
    --frost-line: rgba(255, 255, 255, 0.4);
    --panel: rgba(10, 58, 110, 0.6);
    --panel-border: rgba(255, 255, 255, 0.26);
}

:root[data-theme="terminal"] {
    --violet: #22c55e;
    --pink: #86efac;
    --cyan: #4ade80;
    --gold: #a3e635;
    --night-0: #000000;
    --night-1: #030c06;
    --night-2: #06170c;
    --text: #b9f6ca;
    --text-muted: #5fa877;
    --card: rgba(6, 30, 15, 0.6);
    --card-border: rgba(34, 197, 94, 0.3);
    --frost: #4ade80;
    --frost-line: rgba(74, 222, 128, 0.35);
    --panel: rgba(4, 22, 11, 0.7);
    --panel-border: rgba(34, 197, 94, 0.26);
    --font-display: 'JetBrains Mono', monospace;
}

/* Light and high-contrast themes want a calm backdrop, not a light show. */
:root[data-theme="paper"] body,
:root[data-theme="contrast"] body,
:root[data-theme="blueprint"] body,
:root[data-theme="terminal"] body {
    background: var(--night-0);
}

:root[data-theme="paper"] #starfield,
:root[data-theme="paper"] .aurora,
:root[data-theme="contrast"] #starfield,
:root[data-theme="contrast"] .aurora,
:root[data-theme="blueprint"] #starfield,
:root[data-theme="blueprint"] .aurora,
:root[data-theme="slate"] .aurora {
    display: none;
}

/* ---------------------------------------------------------------------------
   `hidden` must always win.
   The browser's own rule is only `[hidden] { display: none }`, which any author
   rule setting `display` will beat — so a panel styled `display: grid` stayed on
   screen even while the JavaScript believed it had hidden it. This has bitten
   the search results panel once; the guard stops it happening again.
   -------------------------------------------------------------------------- */
[hidden] {
    display: none !important;
}

/* Blueprint gets its drafting grid instead of stars. */
:root[data-theme="blueprint"] body {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 26px 26px;
}

:root[data-theme="paper"] .glow,
:root[data-theme="contrast"] .glow,
:root[data-theme="terminal"] .glow,
:root[data-theme="blueprint"] .glow {
    animation: none;
    filter: none;
}

:root[data-theme="contrast"] .glow,
:root[data-theme="terminal"] .glow,
:root[data-theme="blueprint"] .glow {
    background: none;
    -webkit-text-fill-color: var(--cyan);
    color: var(--cyan);
}

:root[data-theme="paper"] .site-header {
    background: rgba(255, 255, 255, 0.85);
    border-bottom-color: rgba(109, 40, 217, 0.16);
}

:root[data-theme="paper"] .code {
    background: #1a1524;
}

:root[data-theme="paper"] .code code {
    color: #e7e2f5;
}

:root[data-theme="paper"] .chip,
:root[data-theme="paper"] .mini-btn,
:root[data-theme="paper"] .tool-btn {
    background: rgba(109, 40, 217, 0.05);
}

/* Brands, devices & the writer card --------------------------------------- */
.brand-bar {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.brand-bar .search-input {
    flex: 1 1 240px;
}

.be-flag {
    margin-left: 6px;
    font-size: 0.85em;
}

.dev-group {
    margin-bottom: 22px;
}

.dev-group h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--frost);
}

.writer-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    padding: 24px;
    border: 1px solid var(--frost-line);
    border-radius: var(--radius);
    background: rgba(127, 230, 247, 0.06);
    transition: all 0.25s var(--ease);
}

.writer-card:hover {
    border-color: var(--frost);
    background: rgba(127, 230, 247, 0.1);
    text-decoration: none;
    transform: translateY(-2px);
}

.writer-glyph {
    font-size: 2.6rem;
    line-height: 1;
}

.writer-body {
    display: grid;
    gap: 7px;
}

.writer-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.writer-say {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.writer-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 3px;
}

.writer-go {
    font-size: 1.6rem;
    color: var(--frost);
}

@media (max-width: 640px) {
    .writer-card {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .writer-go {
        display: none;
    }
}

/* Comparison table --------------------------------------------------------- */
.cmp-ready {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.cmp-ready.is-ready {
    color: var(--frost);
}

.cmp-table th.is-far,
.cmp-table td.is-far {
    opacity: 0.42;
}

/* The shopping card -------------------------------------------------------- */
.shop-card {
    width: 100%;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 18px;
    text-align: left;
    background: rgba(255, 255, 255, 0.03);
}

.sc-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin-bottom: 2px;
}

.sc-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.sc-list {
    list-style: none;
    display: grid;
    gap: 7px;
    margin-bottom: 10px;
}

.sc-list li {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 8px;
    font-size: 0.82rem;
    align-items: baseline;
}

.sc-box {
    color: var(--frost);
}

.sc-cost {
    font-family: var(--mono);
    font-size: 0.74rem;
    color: var(--gold);
    white-space: nowrap;
}

.sc-total {
    font-weight: 700;
    font-size: 0.88rem;
    padding-top: 8px;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
}

.sc-note {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: 6px;
}

@media print {
    body.print-card > *:not(.overlay) {
        display: none !important;
    }

    body.print-card .overlay {
        position: static;
        background: none;
        display: block;
        padding: 0;
    }

    body.print-card #qrPanel,
    body.print-card #helpPanel,
    body.print-card .overlay-card > .btn,
    body.print-card #cardBox .btn {
        display: none !important;
    }

    body.print-card .overlay-card {
        border: 0;
        box-shadow: none;
        max-width: 105mm;
    }
}

/* Drawings ----------------------------------------------------------------- */
.figure {
    margin: 16px 0;
    padding: 14px;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
}

.fig {
    width: 100%;
    height: auto;
    display: block;
}

.fig-board {
    fill: rgba(127, 230, 247, 0.07);
    stroke: var(--frost-line);
    stroke-width: 1.5;
}

.fig-chip,
.fig-screen {
    fill: rgba(255, 255, 255, 0.09);
    stroke: var(--card-border);
}

.fig-key {
    fill: rgba(255, 255, 255, 0.12);
    stroke: none;
}

.fig-key.is-accent {
    fill: var(--frost);
}

.fig-pin {
    fill: var(--gold);
}

.fig-pin.is-good { fill: #4ade80; }
.fig-pin.is-warn { fill: var(--gold); }
.fig-pin.is-bad { fill: var(--pink); }
.fig-pin.is-power { fill: #94a3b8; }
.fig-pin.is-ir { fill: var(--frost); }

.fig-led {
    fill: rgba(127, 230, 247, 0.3);
    stroke: var(--frost);
    stroke-width: 1.5;
}

.fig-eye {
    fill: #111;
    stroke: var(--frost);
}

.fig-block {
    fill: rgba(148, 163, 184, 0.25);
    stroke: var(--card-border);
}

.fig-wire {
    stroke-width: 3;
    stroke-linecap: round;
    fill: none;
}

.fig-wire.is-s { stroke: var(--frost); }
.fig-wire.is-v { stroke: var(--pink); }
.fig-wire.is-g { stroke: #94a3b8; }

.fig-beam {
    stroke-width: 2.5;
    stroke-dasharray: 7 5;
    stroke-linecap: round;
}

.fig-beam.is-good { stroke: #4ade80; }
.fig-beam.is-ok { stroke: var(--gold); }
.fig-beam.is-bad { stroke: var(--pink); }

.fig-rule {
    stroke: var(--card-border);
    stroke-width: 1.5;
}

.fig-t {
    fill: var(--text-muted);
    font-family: var(--font-body);
    font-size: 11px;
}

.fig-label {
    fill: var(--text);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
}

.fig-mid { text-anchor: middle; }
.fig-end { text-anchor: end; }
.fig-accent { fill: var(--frost); font-weight: 600; }
.fig-dim { opacity: 0.65; }
.fig-good { fill: #4ade80; }
.fig-bad { fill: var(--pink); }

/* Rooms, journal, remotes, handover --------------------------------------- */
.room-list {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.room {
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    padding: 14px;
    display: grid;
    gap: 10px;
}

.room-top {
    display: flex;
    gap: 10px;
    align-items: center;
}

.room-name {
    flex: 1 1 auto;
    min-width: 0;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 9px;
    padding: 8px 11px;
}

:root[data-theme="paper"] .room-name {
    background: #fff;
}

.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
    gap: 10px;
}

.room-grid select {
    font: inherit;
    font-size: 0.82rem;
    color: var(--text);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 9px;
    padding: 8px 10px;
    width: 100%;
}

:root[data-theme="paper"] .room-grid select {
    background: #fff;
}

.room-grid select option {
    background: var(--night-1);
    color: var(--text);
}

.room-checks {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.journal-list {
    list-style: none;
    display: grid;
    gap: 8px;
    margin: 14px 0;
}

.journal-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 9px 12px;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
}

.journal-step.is-done {
    border-color: var(--frost-line);
    background: rgba(127, 230, 247, 0.07);
}

.journal-tick {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: rgba(0, 0, 0, 0.25);
    color: var(--frost);
    font-weight: 900;
    cursor: pointer;
    font-size: 0.9rem;
}

.journal-step.is-done .journal-tick {
    background: var(--frost);
    color: var(--night-0);
    border-color: transparent;
}

.journal-text {
    display: grid;
    gap: 1px;
    min-width: 0;
}

.journal-label {
    font-size: 0.88rem;
    font-weight: 600;
}

.journal-when {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--text-muted);
}

.remote-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(210px, 100%), 1fr));
    gap: 14px;
}

.remote-card {
    display: grid;
    gap: 8px;
    justify-items: center;
    text-align: center;
    font: inherit;
    padding: 18px 14px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s var(--ease);
}

.remote-card:hover {
    border-color: var(--frost);
    transform: translateY(-2px);
}

.remote-card .fig {
    width: 92px;
}

.remote-name {
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.35;
}

.remote-plat {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--frost);
}

.lib-list {
    list-style: none;
    display: grid;
    gap: 5px;
    margin: 10px 0;
    font-size: 0.84rem;
}

.lib-list li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 4px;
    border-bottom: 1px dotted rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.lib-kind {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--frost);
    white-space: nowrap;
}

.handover {
    width: 100%;
    text-align: left;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.03);
}

.ho-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin-bottom: 12px;
}

.ho-list {
    display: grid;
    gap: 8px;
    margin: 0;
}

.ho-list dt {
    font-size: 0.72rem;
    font-family: var(--mono);
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--frost);
}

.ho-list dd {
    margin: 0 0 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.ho-foot {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--text-muted);
}

/* Long URLs and identifiers must not push the page sideways on a phone. */
p,
li,
dd,
.part-why,
.sw-what,
.log-say,
.chapter-body,
.steps p {
    overflow-wrap: break-word;
}

/* Toolbar ------------------------------------------------------------------ */
.toolbar {
    border-top: 1px solid var(--card-border);
    background: inherit;
}

.toolbar .container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
    flex-wrap: wrap;
}

/* The tool group is wider in Dutch and French, so it wraps onto its own line at
   some widths. Without a ceiling the search field would then stretch across the
   whole page and look like a different control from one language to the next. */
.search-wrap {
    position: relative;
    flex: 1 1 240px;
    min-width: 0;
    max-width: 420px;
}

.tool-group {
    margin-left: auto;
}

.search-input {
    width: 100%;
    font: inherit;
    font-size: 0.85rem;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 999px;
    padding: 8px 16px;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    border-color: var(--frost);
    outline: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 1200;
    max-height: 60vh;
    overflow-y: auto;
    background: var(--night-1);
    border: 1px solid var(--frost-line);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 6px;
    display: grid;
    gap: 2px;
}

.search-hit {
    display: grid;
    gap: 2px;
    width: 100%;
    text-align: left;
    font: inherit;
    color: var(--text-muted);
    background: none;
    border: 0;
    border-radius: 10px;
    padding: 9px 12px;
    cursor: pointer;
}

.search-hit:hover,
.search-hit:focus-visible {
    background: rgba(127, 230, 247, 0.1);
    color: var(--text);
}

.sh-top {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.sh-kind {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--frost);
    border: 1px solid var(--frost-line);
    border-radius: 5px;
    padding: 1px 6px;
    flex: none;
}

.sh-title {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text);
}

.sh-snip {
    font-size: 0.76rem;
    line-height: 1.45;
    color: var(--text-muted);
}

.search-empty {
    padding: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.tool-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.tool-field {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tool-label {
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.tool-field select,
.tool-btn {
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 999px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.2s var(--ease);
}

.tool-field select option {
    background: var(--night-1);
    color: var(--text);
}

.tool-btn:hover,
.tool-field select:hover {
    color: var(--text);
    border-color: var(--frost-line);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Deep links & flash ------------------------------------------------------- */
.path,
.chapter {
    position: relative;
}

.deep-link {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    font-size: 0.72rem;
    line-height: 1;
    color: var(--text-muted);
    opacity: 0;
    padding: 5px 7px;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: opacity 0.2s var(--ease);
}

.path:hover .deep-link,
.chapter:hover .deep-link,
.deep-link:focus-visible {
    opacity: 0.75;
}

.deep-link:hover {
    opacity: 1;
    color: var(--frost);
    border-color: var(--frost-line);
    text-decoration: none;
}

.flash {
    animation: flashGlow 1.6s var(--ease);
}

@keyframes flashGlow {
    0%, 100% { box-shadow: none; }
    15% { box-shadow: 0 0 0 2px var(--frost), 0 0 30px rgba(127, 230, 247, 0.4); }
}

/* Find-it menu ------------------------------------------------------------- */
.find {
    position: relative;
}

.find summary {
    list-style: none;
    cursor: pointer;
    display: inline-block;
}

.find summary::-webkit-details-marker {
    display: none;
}

.find-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 20;
    display: grid;
    min-width: 150px;
    background: var(--night-1);
    border: 1px solid var(--frost-line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 5px;
}

.find-link {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 7px 10px;
    border-radius: 8px;
}

.find-link:hover {
    background: rgba(127, 230, 247, 0.12);
    color: var(--text);
    text-decoration: none;
}

.mini-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.s-name {
    display: flex;
    align-items: baseline;
    gap: 6px;
    min-width: 0;
}

.s-jump {
    font-size: 0.7rem;
    color: var(--frost);
    opacity: 0.7;
    flex: none;
}

.s-jump:hover {
    opacity: 1;
}

/* YAML builder ------------------------------------------------------------- */
.builder-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 20px;
    align-items: start;
}

.builder-form {
    display: grid;
    gap: 16px;
}

.bf {
    display: grid;
    gap: 5px;
}

.bf-label {
    font-size: 0.86rem;
    font-weight: 700;
}

.bf-hint {
    font-size: 0.76rem;
    color: var(--text-muted);
    line-height: 1.45;
    display: block;
}

.bf select,
.bf input[type="text"] {
    font: inherit;
    font-size: 0.86rem;
    color: var(--text);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 9px 12px;
    width: 100%;
}

:root[data-theme="paper"] .bf select,
:root[data-theme="paper"] .bf input[type="text"] {
    background: #fff;
}

.bf select option {
    background: var(--night-1);
    color: var(--text);
}

.bf-checks {
    display: grid;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.bf-check {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    cursor: pointer;
}

.bf-check.is-off {
    opacity: 0.45;
    cursor: not-allowed;
}

.bf-check input {
    margin-top: 3px;
    accent-color: var(--frost);
    width: 16px;
    height: 16px;
}

.bf-check-label {
    font-size: 0.86rem;
    font-weight: 600;
    display: block;
}

.builder-out {
    position: sticky;
    top: 130px;
    min-width: 0;
}

.builder-out .code pre {
    max-height: 62vh;
    overflow: auto;
}

.code-btns {
    display: flex;
    gap: 6px;
}

/* Comparison table --------------------------------------------------------- */
.cmp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    min-width: 720px;
}

.cmp-table th,
.cmp-table td {
    padding: 9px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    text-align: left;
    vertical-align: top;
    color: var(--text-muted);
}

.cmp-corner {
    background: none;
}

.cmp-head {
    display: grid;
    gap: 3px;
    font: inherit;
    background: none;
    border: 0;
    color: var(--text);
    cursor: pointer;
    text-align: left;
    padding: 0;
}

.cmp-head:hover .cmp-name {
    color: var(--frost);
}

.cmp-glyph {
    font-size: 1.3rem;
}

.cmp-name {
    font-family: var(--font-display);
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1.25;
}

.cmp-row-label {
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    position: sticky;
    left: 0;
    background: var(--night-1);
}

.cmp-table td.is-good {
    color: var(--frost);
    font-weight: 600;
}

/* Bench tools -------------------------------------------------------------- */
.tool-panel {
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    background: var(--card);
    padding: 22px;
    margin-bottom: 18px;
    scroll-margin-top: 130px;
}

.tool-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.tool-lead {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.tool-input {
    width: 100%;
    font-family: var(--mono);
    font-size: 0.78rem;
    line-height: 1.6;
    color: var(--text);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 12px 14px;
    resize: vertical;
}

:root[data-theme="paper"] .tool-input {
    background: #fff;
}

.tool-input:focus {
    border-color: var(--frost);
    outline: none;
}

.tool-out {
    margin-top: 14px;
}

.log-row {
    border-left: 3px solid var(--card-border);
    padding: 8px 0 8px 12px;
    margin-bottom: 8px;
}

.log-row.is-good { border-left-color: var(--frost); }
.log-row.is-warn { border-left-color: var(--gold); }
.log-row.is-bad { border-left-color: var(--pink); }
.log-row.is-info { border-left-color: var(--violet); }
.log-row.is-plain { opacity: 0.55; }

.log-line {
    display: block;
    font-family: var(--mono);
    font-size: 0.74rem;
    line-height: 1.5;
    color: var(--text-muted);
    word-break: break-word;
    background: none;
    border: 0;
    padding: 0;
}

.log-say {
    font-size: 0.85rem;
    color: var(--text);
    margin-top: 5px;
}

.raw-stats {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.raw-stat {
    display: grid;
    gap: 1px;
    padding: 9px 14px;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
}

.raw-stat-k {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.raw-stat-v {
    font-weight: 700;
    color: var(--frost);
}

.cost-grid-wrap {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 18px;
    align-items: start;
}

.cost-form {
    display: grid;
    gap: 14px;
}

.cost-form input {
    font: inherit;
    font-size: 0.86rem;
    color: var(--text);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 9px 12px;
    width: 100%;
}

:root[data-theme="paper"] .cost-form input {
    background: #fff;
}

.cost-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.cost-box {
    display: grid;
    gap: 2px;
    padding: 16px;
    border: 1px solid var(--frost-line);
    border-radius: 14px;
    background: rgba(127, 230, 247, 0.06);
}

.cost-k {
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.cost-v {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--frost);
    line-height: 1.1;
}

.cost-sub {
    font-size: 0.74rem;
    color: var(--text-muted);
}

/* Pin map ------------------------------------------------------------------ */
.pin-panel {
    margin-top: 4px;
}

.pin-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.pin-legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 12px 0 14px;
    font-size: 0.76rem;
    color: var(--text-muted);
}

.pin-key {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pin-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    background: var(--text-muted);
}

.pin-key.is-good .pin-dot { background: #4ade80; }
.pin-key.is-careful .pin-dot { background: var(--gold); }
.pin-key.is-in .pin-dot { background: var(--violet); }
.pin-key.is-avoid .pin-dot { background: var(--pink); }

.pin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(190px, 100%), 1fr));
    gap: 8px;
}

.pin {
    display: grid;
    gap: 3px;
    text-align: left;
    font: inherit;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    border-left-width: 4px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
}

button.pin {
    cursor: pointer;
    transition: all 0.18s var(--ease);
}

button.pin:hover {
    color: var(--text);
    border-color: var(--frost-line);
    border-left-color: currentColor;
}

.pin.is-good { border-left-color: #4ade80; }
.pin.is-careful { border-left-color: var(--gold); }
.pin.is-in { border-left-color: var(--violet); }
.pin.is-avoid { border-left-color: var(--pink); opacity: 0.6; }

.pin.is-current {
    border-color: var(--frost);
    background: rgba(127, 230, 247, 0.1);
}

.pin-name {
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
}

.pin-why {
    font-size: 0.72rem;
    line-height: 1.45;
}

.pin-flag {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--frost);
}

/* Fix-it ------------------------------------------------------------------- */
.fixit-body {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.fix-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.fix-list {
    list-style: none;
    counter-reset: fix;
    display: grid;
    gap: 14px;
}

.fix-list li {
    counter-increment: fix;
    position: relative;
    padding-left: 40px;
}

.fix-list li::before {
    content: counter(fix);
    position: absolute;
    left: 0;
    top: 1px;
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--night-0);
    background: linear-gradient(140deg, var(--frost), var(--violet));
    border-radius: 50%;
}

.fix-cause {
    font-size: 0.92rem;
    margin-bottom: 3px;
}

/* Overlays ----------------------------------------------------------------- */
.overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(5, 3, 15, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.overlay[hidden] {
    display: none;
}

.overlay-card {
    width: min(420px, 100%);
    max-height: 85vh;
    overflow-y: auto;
    background: var(--night-1);
    border: 1px solid var(--frost-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    display: grid;
    gap: 14px;
    justify-items: center;
    text-align: center;
}

.overlay-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.qr-box {
    display: grid;
    gap: 10px;
    justify-items: center;
}

.qr-box svg {
    border-radius: 10px;
    display: block;
}

.qr-url {
    font-family: var(--mono);
    font-size: 0.66rem;
    color: var(--text-muted);
    word-break: break-all;
    max-width: 280px;
}

.keys {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 14px;
    text-align: left;
    width: 100%;
    font-size: 0.86rem;
}

.keys dt {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--frost);
    border: 1px solid var(--frost-line);
    border-radius: 6px;
    padding: 2px 8px;
    justify-self: start;
    white-space: nowrap;
}

.keys dd {
    color: var(--text-muted);
    margin: 0;
}

/* Chapters & FAQ ----------------------------------------------------------- */.chapter-list {
    display: grid;
    gap: 10px;
    max-width: 900px;
    margin: 0 auto;
}

.chapter {
    border: 1px solid var(--card-border);
    border-radius: 14px;
    background: var(--card);
    overflow: hidden;
    scroll-margin-top: 90px;
}

.chapter-head {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    background: none;
    border: 0;
    color: inherit;
    font: inherit;
    font-weight: 700;
    font-size: 0.96rem;
    text-align: left;
    cursor: pointer;
}

.chapter-head:hover {
    background: rgba(255, 255, 255, 0.03);
}

.chapter-head .caret {
    color: var(--frost);
    transition: transform 0.25s var(--ease);
}

.chapter-head[aria-expanded="true"] .caret {
    transform: rotate(180deg);
}

.chapter-body {
    padding: 0 18px 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.chapter-body[hidden] {
    display: none;
}

.chapter-body p {
    font-size: 0.89rem;
    color: var(--text-muted);
    margin: 12px 0;
}

.chapter-body ul,
.chapter-body ol {
    font-size: 0.89rem;
    color: var(--text-muted);
    margin: 0 0 12px 20px;
    display: grid;
    gap: 5px;
}

.chapter-body h4 {
    font-size: 0.92rem;
    margin: 16px 0 6px;
    color: var(--text);
}

/* Brand table -------------------------------------------------------------- */
.brand-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin: 12px 0;
}

.brand-table th,
.brand-table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.brand-table th {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--frost);
}

.brand-table td {
    color: var(--text-muted);
}

.brand-table td:nth-child(2) {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--gold);
}

.brand-table td.is-mono {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--gold);
    white-space: nowrap;
}

.brand-table td code {
    font-family: var(--mono);
    font-size: 0.82em;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 1px 4px;
    color: var(--frost);
}

.table-wrap {
    overflow-x: auto;
}

/* Toast & back to top ------------------------------------------------------ */
.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 20px);
    z-index: 3000;
    background: rgba(11, 5, 36, 0.95);
    border: 1px solid var(--frost-line);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 999px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s var(--ease);
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 900;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--frost-line);
    background: rgba(11, 5, 36, 0.85);
    color: var(--frost);
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s var(--ease);
}

.to-top.show {
    opacity: 1;
    pointer-events: auto;
}

.to-top:hover {
    background: var(--frost);
    color: var(--night-0);
}

/* Responsive --------------------------------------------------------------- */
@media (max-width: 900px) {

    /* `1fr` alone cannot shrink below its content, and a YAML block is wide.
       minmax(0, 1fr) lets the track shrink and the <pre> scroll on its own. */
    .picker-grid,
    .builder-grid,
    .cost-grid-wrap {
        grid-template-columns: minmax(0, 1fr);
    }

    .result,
    .builder-out {
        position: static;
    }
}

@media (max-width: 640px) {
    .page-nav {
        display: none;
    }

    .path-head {
        grid-template-columns: auto minmax(0, 1fr);
        gap: 12px;
    }

    .path-toggle {
        grid-column: 1 / -1;
    }

    .hero-facts li {
        min-width: 0;
        flex: 1 1 40%;
    }
}

@media (prefers-reduced-motion: reduce) {

    .glow,
    .chip,
    .caret {
        animation: none !important;
        transition: none !important;
    }

    .flash {
        animation: none !important;
    }
}

/* ==========================================================================
   Print — black on white, everything unfolded, no decoration.
   `.print-plan` narrows it further to just the recommendation and its steps.
   ========================================================================== */
@media print {
    @page {
        margin: 14mm 12mm;
    }

    html,
    body {
        background: #fff !important;
        color: #000 !important;
    }

    #starfield,
    .aurora,
    .toolbar,
    .page-nav,
    .skip-link,
    .to-top,
    .toast,
    .hero-cta,
    .picker-actions,
    .deep-link,
    .copy-btn,
    .code-btns,
    .mini-row,
    .find,
    .runners,
    .path-toggle,
    .caret,
    .search-results {
        display: none !important;
    }

    .site-header {
        position: static;
        border: 0;
        background: none;
    }

    .container {
        max-width: none;
        padding: 0;
    }

    .section {
        padding: 8px 0;
        break-inside: auto;
    }

    .glass-panel,
    .path,
    .chapter,
    .part,
    .sw-card,
    .ready-card,
    .winner,
    .code {
        background: #fff !important;
        border: 1px solid #bbb !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        break-inside: avoid;
    }

    .hero-title,
    .section-title,
    .glow,
    .path-name,
    .sw-name,
    .part-name,
    .step-title,
    h1, h2, h3, h4 {
        color: #000 !important;
        -webkit-text-fill-color: #000 !important;
        background: none !important;
        filter: none !important;
        animation: none !important;
    }

    p, li, td, th, .part-why, .sw-what, .rr-need, .path-sub, .hero-sub, .section-sub {
        color: #222 !important;
    }

    .code code {
        color: #000 !important;
        white-space: pre-wrap;
        word-break: break-word;
    }

    .code,
    .code-head {
        background: #f4f4f4 !important;
        border-color: #ccc !important;
    }

    .tag,
    .chip,
    .mini-btn {
        border-color: #999 !important;
        color: #222 !important;
        background: none !important;
    }

    .chip[aria-pressed="true"],
    .chip[aria-checked="true"] {
        background: #eee !important;
        color: #000 !important;
        font-weight: 700;
    }

    a {
        color: #000 !important;
        text-decoration: underline;
    }

    /* Print the URL behind external links — paper has no hyperlinks. */
    .chapter-body a[href^="https://"]::after,
    .sw-card a[href^="https://"]::after {
        content: " (" attr(href) ")";
        font-size: 0.75em;
        word-break: break-all;
    }

    .path-body,
    .chapter-body {
        display: block !important;
    }

    .steps > li {
        break-inside: avoid;
    }

    .site-footer {
        border-top: 1px solid #ccc;
        margin-top: 12px;
    }
}

/* Printing just the recommendation --------------------------------------- */
@media print {
    body.print-plan #how,
    body.print-plan #inventory,
    body.print-plan #ready,
    body.print-plan #parts,
    body.print-plan #software,
    body.print-plan #features,
    body.print-plan #chapters,
    body.print-plan #faq,
    body.print-plan #builder,
    body.print-plan #pickerForm {
        display: none !important;
    }

    body.print-plan .path:not(.print-keep) {
        display: none !important;
    }

    body.print-plan .path.print-keep .path-body {
        display: block !important;
    }
}