/* ==========================================================================
   Secure Cloud Storage — design system (Phase 2)
   Identity: verifiable trust. Teal accent (matches the cloud+keyhole mark),
   cool blue-grey neutrals, evidence surfaced everywhere (dates, sources).
   Tokens ride on Bootstrap 5.3 color modes: [data-bs-theme=light|dark].
   ========================================================================== */

:root,
[data-bs-theme="light"] {
    --scs-paper: #f4f8f9;
    --scs-surface: #ffffff;
    --scs-ink: #12222e;
    --scs-muted: #4e6675;
    --scs-accent: #0e7c86;
    --scs-accent-ink: #0b6169;
    --scs-accent-soft: #e2f0f1;
    --scs-line: #d7e1e5;
    --scs-line-strong: #c3d1d7;
    --scs-surface-raised: #ffffff;
    --scs-glow: rgba(14, 124, 134, 0.10);
    --scs-shadow: 0 1px 3px rgba(18, 34, 46, 0.08);

    /* status — reserved for state (gained/lost, tight fit), never for a
       data series. Each is always paired with words, never colour alone. */
    --scs-good: #1a7f4b;
    --scs-good-ink: #146138;
    --scs-good-soft: #e3f3ea;
    --scs-warn: #a8700c;
    --scs-warn-ink: #7d5300;
    --scs-warn-soft: #fbf0dc;

    /* map onto Bootstrap */
    --bs-body-bg: var(--scs-paper);
    --bs-body-color: var(--scs-ink);
    --bs-secondary-color: var(--scs-muted);
    --bs-border-color: var(--scs-line);
    --bs-primary: var(--scs-accent);
    --bs-primary-rgb: 14, 124, 134;
    --bs-link-color: var(--scs-accent-ink);
    --bs-link-color-rgb: 11, 97, 105;
    --bs-link-hover-color: var(--scs-ink);
    --bs-link-hover-color-rgb: 18, 34, 46;
}

[data-bs-theme="dark"] {
    /* Near-black canvas with a cool teal cast; hairline borders and raised
       surfaces are translucent white so they read as light, not paint. */
    --scs-paper: #07090a;
    --scs-surface: #0d1113;
    --scs-surface-raised: #12181b;
    --scs-ink: #eef3f4;
    --scs-muted: #8d9aa0;
    --scs-accent: #4cc3cc;
    --scs-accent-ink: #6fd3da;
    --scs-accent-soft: rgba(76, 195, 204, 0.10);
    --scs-line: rgba(255, 255, 255, 0.08);
    --scs-line-strong: rgba(255, 255, 255, 0.14);
    --scs-glow: rgba(76, 195, 204, 0.16);
    --scs-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 8px 24px rgba(0, 0, 0, 0.35);

    --scs-good: #58c98c;
    --scs-good-ink: #7ddcaa;
    --scs-good-soft: rgba(88, 201, 140, 0.10);
    --scs-warn: #e0b155;
    --scs-warn-ink: #edc77e;
    --scs-warn-soft: rgba(224, 177, 85, 0.10);

    --bs-body-bg: var(--scs-paper);
    --bs-body-color: var(--scs-ink);
    --bs-secondary-color: var(--scs-muted);
    --bs-border-color: var(--scs-line);
    --bs-tertiary-bg: var(--scs-surface);
    --bs-primary: var(--scs-accent);
    --bs-primary-rgb: 76, 195, 204;
    --bs-link-color: var(--scs-accent-ink);
    --bs-link-color-rgb: 111, 211, 218;
    --bs-link-hover-color: var(--scs-ink);
    --bs-link-hover-color-rgb: 238, 243, 244;
    --bs-dropdown-bg: var(--scs-surface-raised);
    --bs-dropdown-border-color: var(--scs-line-strong);
}

/* --- typography ------------------------------------------------------- */
body {
    font-family: "Public Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
}

h1, h2, h3, h4, h5, .navbar-brand, .display-5, .display-6 {
    font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
    letter-spacing: -0.01em;
}

h1, .h1 { text-wrap: balance; }

.scs-eyebrow {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--scs-accent-ink);
}

/* --- surfaces & cards -------------------------------------------------- */
.card {
    background: var(--scs-surface);
    border: 1px solid var(--scs-line);
    box-shadow: var(--scs-shadow);
    border-radius: 10px;
}

a.card { color: inherit; }
a.card:hover { border-color: var(--scs-accent); }

.bg-body-tertiary { background: var(--scs-surface) !important; }

/* --- buttons ------------------------------------------------------------ */
.btn-primary {
    --bs-btn-bg: var(--scs-accent);
    --bs-btn-border-color: var(--scs-accent);
    --bs-btn-hover-bg: var(--scs-accent-ink);
    --bs-btn-hover-border-color: var(--scs-accent-ink);
    --bs-btn-active-bg: var(--scs-accent-ink);
    --bs-btn-active-border-color: var(--scs-accent-ink);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
}

.btn-outline-primary {
    --bs-btn-color: var(--scs-accent-ink);
    --bs-btn-border-color: var(--scs-accent);
    --bs-btn-hover-bg: var(--scs-accent);
    --bs-btn-hover-border-color: var(--scs-accent);
    --bs-btn-hover-color: #fff;
}

/* --- verified badge (evidence everywhere) ------------------------------- */
.scs-verified {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--scs-accent-ink);
    background: var(--scs-accent-soft);
    border: 1px solid var(--scs-line);
    border-radius: 999px;
    padding: 0.15rem 0.65rem;
    white-space: nowrap;
}

/* --- hero ---------------------------------------------------------------- */
.scs-hero {
    background-color: #14303a;
    background-image:
        radial-gradient(1100px 500px at 85% -10%, rgba(14, 124, 134, 0.18), transparent 60%),
        linear-gradient(160deg, #0f2027 0%, #1d3a45 55%, #2c5364 100%);
    color: #f4f8f9;
    padding: 5rem 1.5rem 4.5rem;
}

.scs-hero .scs-eyebrow { color: #7fd4db; }
.scs-hero h1 { font-weight: 800; max-width: 17ch; }
.scs-hero p { color: #c3d4da; max-width: 56ch; }

/* --- article typography --------------------------------------------------- */
.scs-article {
    max-width: 46rem;
    margin: 0 auto;
    font-size: 1.08rem;
    line-height: 1.75;
}

.scs-article h2 { margin-top: 2.2rem; margin-bottom: 0.8rem; }
.scs-article h3 { margin-top: 1.8rem; margin-bottom: 0.6rem; }

.scs-article img, .content img {
    max-width: 100% !important;
    width: auto !important;
    height: auto !important;
    display: block;
    margin: 1.5rem auto;
    border-radius: 8px;
}

.scs-article figure, .content figure { max-width: 100%; margin: 1.5rem auto; }

.scs-article table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    margin: 1.25rem 0;
}

.scs-article th, .scs-article td {
    border: 1px solid var(--scs-line);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

.scs-article th { background: var(--scs-accent-soft); }

.scs-byline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    align-items: center;
    color: var(--scs-muted);
    font-size: 0.9rem;
    border-block: 1px solid var(--scs-line);
    padding: 0.6rem 0;
    margin: 1rem 0 1.5rem;
}

.scs-changelog {
    border: 1px solid var(--scs-line);
    border-radius: 8px;
    background: var(--scs-surface);
    font-size: 0.9rem;
}

.scs-changelog summary {
    cursor: pointer;
    padding: 0.6rem 0.9rem;
    font-weight: 600;
    color: var(--scs-accent-ink);
}

.scs-changelog-body {
    padding: 0 0.9rem 0.6rem;
    color: var(--scs-muted);
}

/* --- provider tables -------------------------------------------------------- */
.scs-table-wrap { overflow-x: auto; }

.scs-plan-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    background: var(--scs-surface);
}

.scs-plan-table th {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--scs-muted);
    font-weight: 600;
    border-bottom: 2px solid var(--scs-line);
    padding: 0.6rem 0.9rem;
    text-align: left;
    white-space: nowrap;
}

.scs-plan-table td {
    border-bottom: 1px solid var(--scs-line);
    padding: 0.65rem 0.9rem;
    vertical-align: middle;
}

.scs-plan-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; }

.scs-feature-yes { color: var(--scs-accent-ink); font-weight: 600; white-space: nowrap; }
.scs-feature-no { color: var(--scs-muted); white-space: nowrap; }

.scs-logo-tile {
    background: var(--scs-surface);
    border: 1px solid var(--scs-line);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    height: 72px;
}

.scs-logo-tile img { max-height: 40px; max-width: 100%; object-fit: contain; }

/* dark mode: show dark-variant logos, hide light ones (and vice versa) */
[data-bs-theme="dark"] .scs-logo-light { display: none; }
[data-bs-theme="light"] .scs-logo-dark, :root:not([data-bs-theme="dark"]) .scs-logo-dark { display: none; }

/* --- E-E-A-T block on articles ------------------------------------------------- */
.scs-eeat {
    border: 1px solid var(--scs-line);
    border-radius: 10px;
    background: var(--scs-surface);
    padding: 1rem 1.25rem;
    font-size: 0.92rem;
    color: var(--scs-muted);
}

.scs-eeat-head {
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--scs-accent-ink);
    margin-bottom: 0.4rem;
}

/* --- data pages (answer targets) ---------------------------------------------- */
.scs-answer {
    background: var(--scs-accent-soft);
    border-left: 4px solid var(--scs-accent);
    border-radius: 0 8px 8px 0;
    padding: 1rem 1.25rem;
    font-size: 1.05rem;
    line-height: 1.65;
    max-width: 72ch;
    margin: 1.25rem 0 1.75rem;
}

.scs-data-page h1 { margin-bottom: 0.25rem; }

.scs-data-about {
    border-top: 1px solid var(--scs-line);
    padding-top: 1.5rem;
    color: var(--scs-muted);
    font-size: 0.92rem;
    max-width: 72ch;
}

.scs-data-nav { list-style: none; padding: 0; }
.scs-data-nav li { margin-bottom: 0.4rem; }

/* --- compare tool ------------------------------------------------------------ */
.scs-quick-views {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.scs-quick-label {
    font-size: 0.85rem;
    color: var(--scs-muted);
}

.scs-quick-chip {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    border: 1px solid var(--scs-line);
    border-radius: 999px;
    background: var(--scs-surface);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--scs-accent-ink);
}

.scs-quick-chip:hover {
    border-color: var(--scs-accent);
    background: var(--scs-accent-soft);
}

.scs-filter-panel {
    background: var(--scs-surface);
    border: 1px solid var(--scs-line);
    border-radius: 10px;
    padding: 1rem 1.1rem;
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.scs-filter-panel details {
    border-bottom: 1px solid var(--scs-line);
    padding: 0.55rem 0;
}

.scs-filter-panel details:last-of-type { border-bottom: none; }

.scs-filter-panel summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--scs-muted);
    list-style-position: outside;
}

.scs-filter-opts {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.5rem 0 0.2rem;
}

.scs-filter-opts label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    padding: 0.15rem 0.25rem;
    border-radius: 6px;
    cursor: pointer;
}

.scs-filter-opts label:hover { background: var(--scs-accent-soft); }

.scs-filter-opts input[type="checkbox"] {
    accent-color: var(--scs-accent);
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.scs-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--scs-accent);
    color: #fff;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
}

.scs-filter-chip:hover { background: var(--scs-accent-ink); color: #fff; }

.scs-clear-link { font-size: 0.85rem; }

.scs-compare-table td { font-size: 0.9rem; }

.scs-compare-plan {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
    min-width: 180px;
}

.scs-compare-plan img { object-fit: contain; }
.scs-compare-plan:hover strong { color: var(--scs-accent-ink); }

.scs-type-badge {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--scs-muted);
    border: 1px solid var(--scs-line);
    border-radius: 4px;
    padding: 0 0.3rem;
    margin-left: 0.3rem;
    vertical-align: middle;
}

.scs-price-note { font-size: 0.75rem; color: var(--scs-muted); }

.scs-sources-toggle {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--scs-accent-ink);
    text-decoration: underline dotted;
    cursor: pointer;
    white-space: nowrap;
}

.scs-sources-row td {
    background: var(--scs-accent-soft);
    border-bottom: 1px solid var(--scs-line);
}

.scs-sources-body { font-size: 0.82rem; padding: 0.3rem 0; }

.scs-sources-head {
    font-weight: 600;
    color: var(--scs-accent-ink);
    margin-bottom: 0.4rem;
}

.scs-source-field {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.75rem;
    padding: 0.15rem 0;
}

.scs-source-label {
    font-weight: 600;
    color: var(--scs-muted);
    min-width: 180px;
}

.scs-source-field a { word-break: break-all; }

@media (max-width: 991.98px) {
    .scs-filter-panel { position: static; max-height: none; }
}

/* --- navbar / footer -------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1030;
    transition: transform 0.3s ease-in-out;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--scs-line);
}

.navbar.scroll-hide { transform: translateY(-100%); }
.navbar.scroll-show { transform: translateY(0); }

.navbar .nav-link { white-space: nowrap; }
@media (min-width: 992px) {
    .navbar .nav-link.fs-5 { font-size: 1.05rem !important; }
}

body { padding-top: 84px; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .navbar { transition: none; }
}

.scs-footer {
    background: var(--scs-surface);
    border-top: 1px solid var(--scs-line);
    margin-top: 4rem;
    padding: 3rem 0 2rem;
    font-size: 0.92rem;
}

.scs-footer h6 {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--scs-muted);
    margin-bottom: 0.8rem;
}

.scs-footer ul { list-style: none; padding: 0; margin: 0; }
.scs-footer li { margin-bottom: 0.45rem; }
.scs-footer a { text-decoration: none; }

/* --- search box (legacy) ------------------------------------------------ */
.input-group .form-control { border-right: none; }
.input-group .btn { border-left: none; }
.bi-search { font-size: 1.1rem; }

/* --- paired video + inline tool (Phase 5) -------------------------------- */
.scs-video { margin: 0 0 1.5rem; }

.scs-video-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--scs-line);
    background: var(--scs-ink);
}

.scs-video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.scs-video figcaption {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--scs-muted);
}

.scs-transcript {
    border: 1px solid var(--scs-line);
    border-radius: 8px;
    background: var(--scs-surface);
    font-size: 0.9rem;
}

.scs-transcript summary {
    cursor: pointer;
    padding: 0.6rem 0.9rem;
    font-weight: 600;
    color: var(--scs-accent-ink);
}

.scs-transcript-body {
    padding: 0 0.9rem 0.6rem;
    color: var(--scs-muted);
    max-height: 32rem;
    overflow-y: auto;
}

.scs-tool-embed {
    margin: 2rem 0;
    border: 1px solid var(--scs-line);
    border-radius: 10px;
    background: var(--scs-surface);
    padding: 1rem 1.1rem 0.9rem;
    box-shadow: var(--scs-shadow);
}

.scs-tool-embed-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.scs-tool-embed-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.75rem;
    font-size: 0.82rem;
}

.scs-tool-embed-note { color: var(--scs-muted); max-width: 60ch; }

.scs-visit-link {
    display: inline-block;
    white-space: nowrap;
    padding: 0.25rem 0.7rem;
    border-radius: 6px;
    border: 1px solid var(--scs-accent);
    color: var(--scs-accent-ink);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
}

.scs-visit-link:hover {
    background: var(--scs-accent);
    color: var(--scs-paper);
}

/* --- review scorecard (Phase 1 rich result) ----------------------------- */
.scs-scorecard {
    border: 1px solid var(--scs-line);
    border-left: 4px solid var(--scs-accent);
    border-radius: 0 10px 10px 0;
    background: var(--scs-surface);
    padding: 1.1rem 1.25rem;
    margin: 1.5rem 0 2rem;
    box-shadow: var(--scs-shadow);
}

.scs-scorecard-main {
    display: flex;
    align-items: flex-start;
    gap: 1.1rem;
}

.scs-score {
    flex: 0 0 auto;
    display: flex;
    align-items: baseline;
    gap: 0.15rem;
    padding: 0.35rem 0.7rem;
    border-radius: 8px;
    background: var(--scs-accent-soft);
    color: var(--scs-accent-ink);
}

.scs-score-value { font-size: 1.9rem; font-weight: 800; line-height: 1; }
.scs-score-out { font-size: 0.85rem; font-weight: 600; }

.scs-scorecard-body { min-width: 0; }
.scs-scorecard-meta { font-size: 0.82rem; color: var(--scs-muted); }

.scs-scorecard-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.5rem;
    margin: 0.9rem 0 0;
    padding-top: 0.9rem;
    border-top: 1px solid var(--scs-line);
    font-size: 0.88rem;
}

.scs-scorecard-facts > div { display: flex; gap: 0.4rem; align-items: baseline; }
.scs-scorecard-facts dt { color: var(--scs-muted); font-weight: 500; }
.scs-scorecard-facts dd { margin: 0; font-weight: 600; }

.scs-proscons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 0.5rem 1.75rem;
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--scs-line);
    font-size: 0.9rem;
}

.scs-proscons-head {
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.scs-proscons ul { margin: 0; padding-left: 1.1rem; }
.scs-proscons li { margin-bottom: 0.2rem; }

.scs-scorecard-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--scs-line);
}

@media (max-width: 32rem) {
    .scs-scorecard-main { flex-direction: column; gap: 0.7rem; }
}

/* Price withheld because the snapshot's own fields disagree — never publish a
   number we cannot stand behind next to a "verified" date. */
.scs-price-review {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--scs-muted);
    border: 1px dashed var(--scs-line);
    border-radius: 5px;
    padding: 0.1rem 0.4rem;
    white-space: nowrap;
}

/* --- database-generated charts ------------------------------------------ */
.scs-chart-figure {
    margin: 0 0 1.5rem;
    padding: 1rem 1.1rem 0.75rem;
    border: 1px solid var(--scs-line);
    border-radius: 10px;
    background: var(--scs-surface);
    overflow-x: auto;
}

.scs-chart { display: block; max-width: 100%; min-width: 30rem; }

/* Bars carry the data colour; every piece of text wears an ink token. */
.scs-chart-bar { fill: var(--scs-accent); }
.scs-chart-label { fill: var(--scs-muted); font-size: 12px; }
.scs-chart-value { fill: var(--scs-ink); font-size: 12px; font-weight: 600; }

.scs-chart-figure figcaption {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    color: var(--scs-muted);
}

/* Share control on the compare tool — the filter state is already the URL. */
.scs-share-link {
    border: 1px solid var(--scs-line);
    background: var(--scs-surface);
    color: var(--scs-accent-ink);
    border-radius: 6px;
    padding: 0.15rem 0.55rem;
    margin-left: 0.5rem;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.scs-share-link:hover { background: var(--scs-accent-soft); }

/* --- tools index (Phase 7) ----------------------------------------------------- */
.scs-tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.scs-tool-card {
    display: block;
    border: 1px solid var(--scs-line);
    border-radius: 12px;
    background: var(--scs-surface);
    box-shadow: var(--scs-shadow);
    padding: 1.4rem 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.scs-tool-card:hover,
.scs-tool-card:focus-visible {
    border-color: var(--scs-accent);
    transform: translateY(-2px);
    color: inherit;
}

.scs-tool-card-h { font-size: 1.2rem; margin: 0 0 0.35rem; }
.scs-tool-card-task { color: var(--scs-accent-ink); font-style: italic; margin: 0 0 0.6rem; font-size: 0.95rem; }
.scs-tool-card-blurb { color: var(--scs-muted); margin: 0 0 0.9rem; font-size: 0.95rem; line-height: 1.6; }
.scs-tool-card-cta { color: var(--scs-accent-ink); font-weight: 600; font-size: 0.92rem; }

/* --- migration planner (Phase 7) ----------------------------------------------- */
.scs-planner-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem 1.75rem;
    align-items: start;
    border: 1px solid var(--scs-line);
    border-radius: 12px;
    background: var(--scs-surface);
    box-shadow: var(--scs-shadow);
    padding: 1.4rem 1.5rem;
}

.scs-planner-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.45rem;
}

.scs-planner-input { display: flex; align-items: stretch; }

.scs-planner-input input {
    flex: 1 1 auto;
    min-width: 0;
    border: 1px solid var(--scs-line);
    border-right: 0;
    border-radius: 8px 0 0 8px;
    background: var(--bs-body-bg);
    color: var(--scs-ink);
    padding: 0.5rem 0.7rem;
    font-variant-numeric: tabular-nums;
    font-size: 1.05rem;
}

.scs-planner-unit {
    border: 1px solid var(--scs-line);
    border-radius: 0 8px 8px 0;
    background: var(--scs-accent-soft);
    color: var(--scs-accent-ink);
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.scs-planner-field select {
    width: 100%;
    border: 1px solid var(--scs-line);
    border-radius: 8px;
    background: var(--bs-body-bg);
    color: var(--scs-ink);
    padding: 0.5rem 0.7rem;
    font-size: 1.05rem;
}

.scs-planner-help {
    color: var(--scs-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0.5rem 0 0;
}

.scs-planner-presets { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.6rem; }

.scs-planner-preset {
    border: 1px solid var(--scs-line);
    border-radius: 999px;
    padding: 0.2rem 0.6rem;
    font-size: 0.82rem;
    text-decoration: none;
    color: var(--scs-muted);
    white-space: nowrap;
}

.scs-planner-preset:hover { border-color: var(--scs-accent); color: var(--scs-accent-ink); }

.scs-planner-preset.is-on {
    background: var(--scs-accent-soft);
    border-color: var(--scs-accent);
    color: var(--scs-accent-ink);
    font-weight: 600;
}

.scs-planner-actions { align-self: end; }

.scs-planner-answer {
    margin: 2rem 0 0;
    border-left: 4px solid var(--scs-accent);
    background: var(--scs-accent-soft);
    border-radius: 0 10px 10px 0;
    padding: 1.25rem 1.5rem;
    max-width: 72ch;
}

.scs-planner-answer-h {
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--scs-accent-ink);
    margin: 0 0 0.35rem;
}

/* The one number the page exists to produce — sized so it is legible before
   anything else on the page is read. */
.scs-hero-number {
    font-family: Archivo, "Public Sans", system-ui, sans-serif;
    font-size: clamp(2rem, 6vw, 3.2rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--scs-ink);
    margin: 0 0 0.6rem;
    font-variant-numeric: tabular-nums;
}

.scs-planner-answer-note {
    color: var(--scs-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    margin: 0;
}

.scs-planner-delta {
    border: 1px solid var(--scs-line);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    max-width: 72ch;
    font-size: 0.95rem;
}

.scs-planner-delta--gain { border-color: var(--scs-good); background: var(--scs-good-soft); color: var(--scs-good-ink); }
.scs-planner-delta--lose { border-color: var(--scs-warn); background: var(--scs-warn-soft); color: var(--scs-warn-ink); }
.scs-planner-delta--same { color: var(--scs-muted); }

.scs-fit { white-space: nowrap; }
.scs-fit--tight { color: var(--scs-warn-ink); font-weight: 600; }
.scs-fit--unlimited, .scs-fit--ok { color: var(--scs-muted); }

.scs-row-current { background: var(--scs-accent-soft); }
.scs-row-current td { font-weight: 600; }

.scs-planner-checklist {
    max-width: 72ch;
    line-height: 1.7;
    color: var(--scs-muted);
}

.scs-planner-checklist strong { color: var(--scs-ink); }

/* --- in-article tool callout (Phase 7) ----------------------------------------- */
.scs-tool-callout {
    border: 1px solid var(--scs-accent);
    border-radius: 12px;
    background: var(--scs-accent-soft);
    padding: 1.25rem 1.5rem;
    max-width: 72ch;
}

.scs-tool-callout-eyebrow {
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--scs-accent-ink);
    margin-bottom: 0.3rem;
}

/* Explicit ink, not inherited: this block sits inside article content whose
   colour is set by the prose styles, and a heading that only gets its colour
   by inheritance is one wrapper away from dark-on-dark. */
.scs-tool-callout-h { font-size: 1.15rem; margin: 0 0 0.5rem; color: var(--scs-ink); }
.scs-tool-callout-body { color: var(--scs-muted); margin: 0 0 1rem; line-height: 1.6; }

.scs-guide-list { max-width: 72ch; line-height: 2; padding-left: 1.1rem; }

/* --- video companion extras (on-page tools the YouTube page cannot host) --- */
.scs-companion-extra {
    border: 1px solid var(--scs-line);
    border-radius: 12px;
    background: var(--scs-surface);
    padding: 1.25rem 1.5rem;
    max-width: 72ch;
    margin: 0 0 1.75rem;
}
.scs-companion-extra-eyebrow {
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--scs-accent-ink);
    margin-bottom: 0.3rem;
}
.scs-companion-extra-h {
    font-size: 1.15rem;
    margin: 0 0 0.85rem;
    color: var(--scs-ink);
}
.scs-companion-extra-note {
    color: var(--scs-muted);
    margin: 0.85rem 0 0;
    font-size: 0.92rem;
    line-height: 1.6;
}
.scs-decision,
.scs-step-card {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: scs-extra;
}
.scs-decision li,
.scs-step-card li {
    counter-increment: scs-extra;
    display: grid;
    grid-template-columns: 2rem 1fr;
    column-gap: 0.75rem;
    padding: 0.7rem 0;
    border-top: 1px solid var(--scs-line);
}
.scs-decision li:first-child,
.scs-step-card li:first-child { border-top: 0; padding-top: 0; }
.scs-decision li::before,
.scs-step-card li::before {
    content: counter(scs-extra);
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 99px;
    background: var(--scs-accent-soft);
    color: var(--scs-accent-ink);
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.1rem;
}
.scs-decision li strong,
.scs-step-card li strong {
    grid-column: 2;
    display: block;
    color: var(--scs-ink);
    margin-bottom: 0.15rem;
}
.scs-decision li span,
.scs-step-card li span {
    grid-column: 2;
    color: var(--scs-muted);
}
.scs-storage-split { margin: 0 0 0.25rem; }
.scs-storage-split svg { display: block; max-width: 100%; height: auto; }

@media (max-width: 640px) {
    .scs-companion-extra { padding: 1rem; }
}

/* ==========================================================================
   Dark look (2026-10-06) — modelled on linear.app: near-black canvas,
   hairline borders, light that pools rather than paint that fills.
   Typography rules apply to both themes; the lighting is dark-only.
   ========================================================================== */

h1, .h1, .display-5, .display-6 {
    letter-spacing: -0.03em;
    line-height: 1.08;
}

h2, .h2, h3, .h3 { letter-spacing: -0.02em; }

.scs-eyebrow {
    font-family: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, monospace;
    font-weight: 500;
    letter-spacing: 0.08em;
}

/* --- canvas: one soft teal pool at the top of every page ---------------- */
[data-bs-theme="dark"] body {
    background:
        radial-gradient(1200px 520px at 50% -180px, var(--scs-glow), transparent 70%),
        var(--scs-paper);
    background-repeat: no-repeat;
}

/* --- nav: translucent glass over the page -------------------------------- */
[data-bs-theme="dark"] #main-navbar {
    background: rgba(7, 9, 10, 0.72) !important;
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    backdrop-filter: saturate(160%) blur(14px);
    box-shadow: none;
    border-bottom-color: var(--scs-line);
}

[data-bs-theme="dark"] #main-navbar .nav-link { color: var(--scs-muted); }
[data-bs-theme="dark"] #main-navbar .nav-link:hover,
[data-bs-theme="dark"] #main-navbar .nav-link:focus-visible,
[data-bs-theme="dark"] #main-navbar .nav-link.show { color: var(--scs-ink); }

[data-bs-theme="dark"] .dropdown-menu {
    border-radius: 12px;
    padding: 0.4rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
}

[data-bs-theme="dark"] .dropdown-item { border-radius: 8px; color: var(--scs-muted); }
[data-bs-theme="dark"] .dropdown-item:hover,
[data-bs-theme="dark"] .dropdown-item:focus { background: rgba(255, 255, 255, 0.06); color: var(--scs-ink); }

/* --- form controls ------------------------------------------------------ */
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: var(--scs-line-strong);
    color: var(--scs-ink);
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--scs-accent);
    box-shadow: 0 0 0 3px rgba(76, 195, 204, 0.18);
}

[data-bs-theme="dark"] #main-navbar form button {
    background: rgba(255, 255, 255, 0.03) !important;
    border-color: var(--scs-line-strong) !important;
    color: var(--scs-muted);
}

/* --- buttons: pills, like Linear's CTA ---------------------------------- */
.btn-primary, .btn-outline-primary, .btn-outline-light { border-radius: 999px; }
.btn-lg { padding: 0.6rem 1.4rem; font-size: 1.05rem; }

[data-bs-theme="dark"] .btn-primary {
    --bs-btn-color: #041214;
    --bs-btn-hover-color: #041214;
    --bs-btn-active-color: #041214;
    font-weight: 600;
    box-shadow: 0 0 0 1px rgba(76, 195, 204, 0.4), 0 6px 24px rgba(76, 195, 204, 0.22);
}

[data-bs-theme="dark"] .btn-outline-light,
[data-bs-theme="dark"] .btn-outline-primary {
    --bs-btn-color: var(--scs-ink);
    --bs-btn-border-color: var(--scs-line-strong);
    --bs-btn-hover-bg: rgba(255, 255, 255, 0.06);
    --bs-btn-hover-border-color: rgba(255, 255, 255, 0.24);
    --bs-btn-hover-color: var(--scs-ink);
    --bs-btn-active-bg: rgba(255, 255, 255, 0.1);
    --bs-btn-active-color: var(--scs-ink);
    background: rgba(255, 255, 255, 0.02);
}

/* --- cards: a faint top-lit sheen and a lit edge on hover --------------- */
[data-bs-theme="dark"] .card {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0) 60%),
        var(--scs-surface);
    border-color: var(--scs-line);
    border-radius: 14px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

[data-bs-theme="dark"] a.card:hover {
    border-color: rgba(76, 195, 204, 0.45);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 0 1px rgba(76, 195, 204, 0.12),
        0 12px 40px -12px rgba(76, 195, 204, 0.25);
    transform: translateY(-1px);
}

/* --- hero: type on the canvas, lit from above --------------------------- */
[data-bs-theme="dark"] .scs-hero {
    position: relative;
    isolation: isolate;
    background: transparent;
    /* slide up under the glass nav so the light starts behind it */
    margin-top: -84px;
    padding: calc(7rem + 84px) 1.5rem 6rem;
    border-bottom: 1px solid var(--scs-line);
    overflow: hidden;
}

[data-bs-theme="dark"] .scs-hero::before {
    content: "";
    position: absolute;
    inset: -40% -10% auto;
    height: 140%;
    z-index: -1;
    background:
        radial-gradient(600px 340px at 72% 30%, rgba(76, 195, 204, 0.20), transparent 70%),
        radial-gradient(520px 300px at 20% 10%, rgba(14, 124, 134, 0.22), transparent 70%),
        radial-gradient(900px 400px at 50% 100%, rgba(255, 255, 255, 0.035), transparent 70%);
    filter: blur(8px);
    pointer-events: none;
}

/* a faint grid fading out from the light source */
[data-bs-theme="dark"] .scs-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(700px 360px at 70% 20%, #000, transparent 75%);
    mask-image: radial-gradient(700px 360px at 70% 20%, #000, transparent 75%);
    pointer-events: none;
}

[data-bs-theme="dark"] .scs-hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.6rem);
    max-width: 18ch;
    color: var(--scs-ink);
}

[data-bs-theme="dark"] .scs-hero p { color: var(--scs-muted); }
[data-bs-theme="dark"] .scs-hero + section:not(.py-5) { padding-top: 3.5rem; }
[data-bs-theme="dark"] .scs-hero .scs-eyebrow { color: var(--scs-accent-ink); }

/* --- tables: rows separated by light, not boxes -------------------------- */
[data-bs-theme="dark"] .scs-plan-table th,
[data-bs-theme="dark"] .scs-article th {
    background: rgba(255, 255, 255, 0.03);
    color: var(--scs-muted);
}

[data-bs-theme="dark"] .scs-plan-table tbody tr { transition: background 0.15s ease; }
[data-bs-theme="dark"] .scs-plan-table tbody tr:hover { background: rgba(255, 255, 255, 0.025); }

/* --- footer -------------------------------------------------------------- */
[data-bs-theme="dark"] .scs-footer {
    background: transparent;
    border-top-color: var(--scs-line);
}

[data-bs-theme="dark"] .scs-footer a { color: var(--scs-muted); }
[data-bs-theme="dark"] .scs-footer a:hover,
[data-bs-theme="dark"] .scs-footer .navbar-brand { color: var(--scs-ink); }

@media (prefers-reduced-motion: reduce) {
    [data-bs-theme="dark"] .card,
    [data-bs-theme="dark"] a.card:hover { transition: none; transform: none; }
}