/* Blog field guides: calculators inside posts (templates/blog/calculators/), the post-card
   cover for guides without an image, the "Run your numbers" shelf on the index and the
   tool card in the post sidebar. Theme tokens only (light + dark). */

/* ── Calculator ─────────────────────────────────────────── */
.bcalc {
    margin: 2.2em 0;
    border: 1px solid var(--cf-border);
    border-radius: 18px;
    background: var(--cf-surface);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    font: 400 15px/1.5 var(--cf-font);
    color: var(--cf-text-secondary);
}
.b-post__body .bcalc > * + * { margin-top: 0; }
.bcalc__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 14px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--cf-border);
    background: var(--cf-surface-sunk);
}
.bcalc__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    font: 700 10.5px/1 var(--cf-font);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.bcalc__title {
    font: 700 16px/1.3 var(--cf-font);
    color: var(--cf-text);
}
.b-post__body .bcalc__formula,
.bcalc__formula {
    margin-left: auto;
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px dashed var(--cf-border);
    background: transparent;
    font: 500 12px/1.4 var(--cf-font-mono, ui-monospace, monospace);
    color: var(--cf-text-muted);
}
.bcalc__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}
@media (max-width: 640px) { .bcalc__grid { grid-template-columns: 1fr; } }
.bcalc__inputs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 14px 16px;
    padding: 20px;
    align-content: start;
}
.bcalc__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}
.bcalc__label {
    padding: 0;
    font: 600 12.5px/1.3 var(--cf-font);
    color: var(--cf-text);
}
.bcalc__control {
    display: flex;
    align-items: center;
    border: 1px solid var(--cf-border);
    border-radius: 10px;
    background: var(--cf-surface-sunk);
    transition: border-color var(--mo-fast), box-shadow var(--mo-fast);
}
.bcalc__control:focus-within {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px var(--color-brand-subtle);
}
.bcalc .bcalc__control input {
    flex: 1;
    box-shadow: none;
    border-radius: 0;
    min-width: 0;
    padding: 9px 10px;
    border: 0;
    background: transparent;
    font: 600 16px/1.2 var(--cf-font);
    font-variant-numeric: tabular-nums;
    color: var(--cf-text);
    outline: none;
}
.bcalc__affix {
    padding: 0 10px;
    font: 600 13px/1 var(--cf-font);
    color: var(--cf-text-muted);
    white-space: nowrap;
}
.bcalc__affix:first-child { padding-right: 0; }
.bcalc__affix:last-child { padding-left: 0; }
.bcalc__hint {
    font: 400 12px/1.4 var(--cf-font);
    color: var(--cf-text-muted);
}
.bcalc__choice { grid-column: 1 / -1; }
.bcalc__seg {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
}
.bcalc__seg button {
    padding: 8px 14px;
    border: 1px solid var(--cf-border);
    border-radius: 999px;
    background: var(--cf-surface);
    font: 600 13px/1 var(--cf-font);
    color: var(--cf-text-secondary);
    cursor: pointer;
    transition: background var(--mo-fast), color var(--mo-fast), border-color var(--mo-fast);
}
.bcalc__seg button:hover { border-color: var(--color-brand); color: var(--cf-text); }
.bcalc__seg button[aria-pressed="true"] {
    background: var(--color-brand);
    border-color: var(--color-brand);
    color: var(--text-on-brand);
}
.bcalc__seg button:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 2px; }

/* The answer: a dark panel, the number big. */
.bcalc__result {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    background:
        radial-gradient(120% 90% at 100% 0%, var(--color-brand-subtle), transparent 60%),
        var(--surface-inset, var(--cf-surface-sunk));
    border-left: 1px solid var(--cf-border);
}
@media (max-width: 640px) { .bcalc__result { border-left: 0; border-top: 1px solid var(--cf-border); } }
.bcalc__result-label {
    font: 700 11px/1.3 var(--cf-font);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cf-text-muted);
}
.bcalc__big {
    font: 700 44px/1.05 var(--font-display, var(--cf-font));
    font-variant-numeric: tabular-nums;
    letter-spacing: 0;
    color: var(--cf-text);
    word-break: break-word;
}
@media (max-width: 640px) { .bcalc__big { font-size: 38px; } }
.bcalc__line {
    font: 400 14px/1.45 var(--cf-font);
    color: var(--cf-text-secondary);
}
.b-post__body .bcalc strong,
.bcalc strong { color: var(--cf-text); font-weight: 700; }
.bcalc__verdict {
    margin-top: 4px;
    padding: 10px 12px;
    border-radius: 10px;
    font: 500 13.5px/1.45 var(--cf-font);
}
.bcalc__verdict.is-under { background: var(--danger-subtle); color: var(--cf-text); }
.bcalc__verdict.is-over { background: var(--success-subtle); color: var(--cf-text); }

.bcalc__chart {
    width: 100%;
    height: 64px;
    margin-top: 6px;
    overflow: visible;
}
.bcalc__axis { stroke: var(--cf-border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.bcalc__area { fill: var(--color-accent-subtle); }
.bcalc__stroke {
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 2;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
}
.bcalc__chart-caption { font: 400 12px/1.4 var(--cf-font); color: var(--cf-text-muted); }

/* The reply script (Price a change). */
.bcalc__script {
    margin: 0 20px 4px;
    padding: 14px 16px;
    border: 1px solid var(--cf-border);
    border-left: 3px solid var(--color-brand);
    border-radius: 12px;
    background: var(--cf-surface-sunk);
}
.bcalc__script-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
    font: 700 11px/1.3 var(--cf-font);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cf-text-muted);
}
.bcalc__copy {
    padding: 6px 12px;
    border: 1px solid var(--color-brand);
    border-radius: 999px;
    background: transparent;
    font: 600 12px/1 var(--cf-font);
    letter-spacing: 0;
    text-transform: none;
    color: var(--color-brand);
    cursor: pointer;
}
.bcalc__copy:hover { background: var(--color-brand-subtle); }
.b-post__body .bcalc__script-text,
.bcalc__script-text {
    margin: 0;
    font: 400 15px/1.6 var(--cf-font);
    color: var(--cf-text);
}

.bcalc__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
    padding: 12px 20px;
    border-top: 1px solid var(--cf-border);
    font: 400 12px/1.4 var(--cf-font);
    color: var(--cf-text-muted);
}
.bcalc__script + .bcalc__foot { margin-top: 16px; }
.b-post__body .bcalc__tool,
.bcalc__tool {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 0;
    font: 600 13px/1.3 var(--cf-font);
    color: var(--color-brand);
    text-decoration: none;
}
.bcalc__tool:hover { text-decoration: underline; }

/* ── Post card cover (a guide with no image) ────────────── */
.b-card__cover {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    aspect-ratio: 16 / 9;
    padding: 18px 20px;
    overflow: hidden;
    text-decoration: none;
    color: var(--cf-text);
    background:
        radial-gradient(90% 120% at 100% 0%, var(--color-brand-subtle), transparent 65%),
        radial-gradient(70% 90% at 0% 100%, var(--color-accent-subtle), transparent 60%),
        var(--cf-surface-sunk);
    border-bottom: 1px solid var(--cf-border);
}
.b-card__cover::after {
    /* graph-paper texture: a worksheet, not a stock photo */
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--cf-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--cf-border) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.45;
    pointer-events: none;
}
.b-card__cover > * { position: relative; z-index: 1; }
.b-card__cover-badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    font: 700 10.5px/1 var(--cf-font);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}
.b-card__cover-title {
    font: 700 24px/1.1 var(--font-display, var(--cf-font));
    letter-spacing: 0;
    word-spacing: 0.12em;  /* Clash Display sets spaces very tight */
}
.b-card__cover-formula {
    align-self: flex-start;
    padding: 4px 9px;
    border-radius: 6px;
    background: var(--cf-surface);
    border: 1px dashed var(--cf-border);
    font: 500 12px/1.3 var(--cf-font-mono, ui-monospace, monospace);
    color: var(--cf-text-secondary);
}

.b-featured__cover {
    aspect-ratio: auto;
    min-height: 280px;
    padding: 32px 36px;
    border-bottom: 0;
    border-right: 1px solid var(--cf-border);
}
.b-featured__cover .b-card__cover-title { font-size: 40px; }
@media (max-width: 900px) {
    .b-featured__cover { min-height: 200px; border-right: 0; border-bottom: 1px solid var(--cf-border); }
    .b-featured__cover .b-card__cover-title { font-size: 30px; }
}

/* The featured card overlaps the hero; keep it painted above it. */
.b-featured-section { position: relative; z-index: 1; }

/* ── "Run your numbers" shelf on the blog index ─────────── */
.b-shelf {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
}
.b-shelf__label {
    font: 700 11px/1 var(--cf-font);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-right: 4px;
}
.b-shelf__item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--cf-border);
    background: var(--cf-surface);
    font: 600 13px/1 var(--cf-font);
    color: var(--cf-text);
    text-decoration: none;
    transition: border-color var(--mo-fast), transform var(--mo-fast);
}
.b-shelf__item:hover { border-color: var(--color-accent); transform: translateY(-1px); }

/* ── Sidebar: the reader's own number + the free tool ───── */
.b-sidebar-cta__found {
    display: block;
    margin: 0 0 6px;
    font: 700 30px/1.05 var(--font-display, var(--cf-font));
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    color: var(--text-on-brand);
}
.b-sidebar-cta__found-label {
    display: block;
    margin-bottom: 12px;
    font: 500 13px/1.4 var(--cf-font);
    color: var(--text-on-brand);
    opacity: 0.88;
}
.b-tool-card {
    margin-top: 16px;
    padding: 16px 18px;
    border: 1px solid var(--cf-border);
    border-radius: 14px;
    background: var(--cf-surface);
}
.b-tool-card__eyebrow {
    display: block;
    margin-bottom: 6px;
    font: 700 10.5px/1 var(--cf-font);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cf-text-muted);
}
.b-tool-card__name {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 6px;
    font: 700 15px/1.3 var(--cf-font);
    color: var(--cf-text);
}
.b-tool-card__desc {
    margin: 0 0 12px;
    font: 400 13px/1.5 var(--cf-font);
    color: var(--cf-text-secondary);
}
.b-tool-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font: 600 13px/1 var(--cf-font);
    color: var(--color-brand);
    text-decoration: none;
}
.b-tool-card__link:hover { text-decoration: underline; }

@media print {
    .bcalc__foot, .bcalc__copy, .b-tool-card { display: none; }
}