/* Shared styles for the editorial surface: /blog, /guides, /tools, their
   article/guide/tool pages, and /about.

   Linked as a real stylesheet (not injected into base.html's inline <style>),
   so content templates use the close-then-reopen idiom in extra_styles:

       {% block extra_styles %}</style>
       <link rel="stylesheet" href="...content.css">
       <style>{% endblock %}

   Inherits base.html's custom properties, then remaps them below. */

/* ── Editorial palette ─────────────────────────────────────────────────
   The editorial surface uses the landing page's cream + forest-green
   palette, not base.html's violet. Light-only, like templates/index.html.

   Declared on BOTH :root and [data-theme="dark"] on purpose: base.html's
   toggle script sets data-theme on <body>, so in dark mode <body> and
   everything under it resolve from base's [data-theme="dark"] block and
   a :root-only override would never be reached. Same specificity, and
   this stylesheet loads after base's inline <style>, so it wins.

   --color-cta stays emerald: it drives the nav's Get Started button and
   every .btn-primary, and matching the landing nav is the whole point. */
:root,
[data-theme="dark"] {
    --color-text: #23303f;
    --color-heading: #1A1A18;
    --color-accent: #1F6B52;
    --color-accent-hover: #1C3527;
    --color-accent-secondary: #2F8F6E;
    --color-cta: #10B981;
    --color-cta-hover: #059669;
    --color-muted: #46505c;
    --color-body-bg: #F4F3EC;
    --color-card-bg: #FFFFFF;
    --color-card-bg-hover: #FFFFFF;
    --color-card-border: rgba(31, 107, 82, 0.16);
    --color-card-border-hover: rgba(31, 107, 82, 0.34);
    --color-outline-bg: rgba(255, 255, 255, 0.7);
    --color-outline-bg-hover: #FFFFFF;
    --color-outline-border: rgba(31, 107, 82, 0.22);
    --color-outline-border-hover: rgba(31, 107, 82, 0.4);
    --color-nav-bg: rgba(244, 243, 236, 0.75);
    --color-nav-border: rgba(26, 26, 24, 0.1);
    --color-border: rgba(26, 26, 24, 0.12);
    --color-footer: rgba(35, 48, 63, 0.65);
    --color-sidenav-bg: rgba(244, 243, 236, 0.9);
    --color-sidenav-border: rgba(26, 26, 24, 0.1);
    --color-link-hover-bg: rgba(31, 107, 82, 0.08);
    --color-link-active-bg: rgba(31, 107, 82, 0.12);
    --color-overlay: rgba(0, 0, 0, 0.3);
}

/* The theme toggle is inert on the editorial surface (light-only), so it
   is hidden here rather than left as a dead control. */
.theme-toggle { display: none; }

/* ── Hub listing ─────────────────────────────────────────────────────── */
.ds-hub {
    max-width: 900px;
    margin: 0 auto;
    padding: 56px 24px 24px;
}

.ds-hub h1 {
    font-family: 'Lora', serif;
    font-size: 2.3rem;
    line-height: 1.2;
    color: var(--color-heading);
    margin-bottom: 14px;
}

.ds-hub-intro {
    color: var(--color-muted);
    font-size: 1.08rem;
    line-height: 1.65;
    max-width: 62ch;
}

.ds-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 22px;
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

.ds-card {
    display: flex;
    flex-direction: column;
    padding: 26px 24px;
    border-radius: 16px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.ds-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-card-border-hover);
    box-shadow: 0 16px 32px -24px rgba(26, 26, 24, 0.45);
}

.ds-card-eyebrow {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    background: var(--color-link-hover-bg);
    padding: 4px 10px;
    border-radius: 6px;
    margin-bottom: 14px;
}

.ds-card h2 {
    font-family: 'Lora', serif;
    font-size: 1.2rem;
    line-height: 1.35;
    color: var(--color-heading);
    margin-bottom: 10px;
}

.ds-card h2 a {
    color: inherit;
    text-decoration: none;
}

.ds-card h2 a:hover { color: var(--color-accent); }

.ds-card-excerpt {
    color: var(--color-muted);
    font-size: 0.94rem;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.ds-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    font-size: 0.84rem;
    color: var(--color-muted);
}

.ds-card-meta a {
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: none;
}

.ds-card-meta a:hover { text-decoration: underline; }

.ds-hub-empty {
    text-align: center;
    padding: 72px 20px;
    color: var(--color-muted);
}

/* ── Article / guide page ────────────────────────────────────────────── */
.ds-article {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 24px 72px;
}

/* .ds-breadcrumb and .ds-toc are <nav> elements, so base.html's bare
   `nav { display:flex; justify-content:flex-end; padding:20px 0;
   border-bottom:1px solid }` rule (base.html:150-160) lands on them and
   right-aligns the breadcrumb / lays the TOC out sideways. Reset it. */
.ds-breadcrumb {
    display: block;
    padding: 0;
    border-bottom: none;
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: 20px;
}

.ds-breadcrumb a {
    color: var(--color-muted);
    text-decoration: none;
}

.ds-breadcrumb a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.ds-article h1 {
    font-family: 'Lora', serif;
    font-size: 2.2rem;
    line-height: 1.22;
    color: var(--color-heading);
    margin-bottom: 18px;
}

.ds-byline {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 10px;
    font-size: 0.9rem;
    color: var(--color-muted);
    padding-bottom: 22px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
}

.ds-byline a {
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: none;
}

.ds-byline a:hover { text-decoration: underline; }

.ds-byline-sep { opacity: 0.5; }

.ds-reviewed {
    display: block;
    width: 100%;
    font-size: 0.85rem;
    font-style: italic;
    opacity: 0.85;
}

/* Table of contents — display:block resets base.html's bare `nav` flex
   (see the .ds-breadcrumb note above). */
.ds-toc {
    display: block;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 36px;
}

.ds-toc h2 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-muted);
    margin-bottom: 12px;
}

.ds-toc ol {
    margin: 0;
    padding-left: 20px;
}

.ds-toc li { margin-bottom: 6px; }

.ds-toc a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
}

.ds-toc a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Prose */
.ds-prose {
    font-size: 1.04rem;
    line-height: 1.75;
    color: var(--color-text);
}

.ds-prose > * + * { margin-top: 1.15em; }

.ds-prose h2 {
    font-family: 'Lora', serif;
    font-size: 1.5rem;
    line-height: 1.3;
    color: var(--color-heading);
    margin-top: 2.2em;
    scroll-margin-top: 80px;
}

.ds-prose h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-top: 1.8em;
    scroll-margin-top: 80px;
}

.ds-prose ul,
.ds-prose ol { padding-left: 24px; }

.ds-prose li + li { margin-top: 0.45em; }

.ds-prose a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.ds-prose a:hover { color: var(--color-accent-hover); }

.ds-prose strong { color: var(--color-heading); }

.ds-prose blockquote {
    margin-left: 0;
    padding: 4px 0 4px 20px;
    border-left: 3px solid var(--color-accent-secondary);
    color: var(--color-muted);
    font-style: italic;
}

.ds-table-wrap {
    overflow-x: auto;
    margin-top: 1.4em;
}

.ds-prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.94rem;
}

.ds-prose th,
.ds-prose td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.ds-prose th {
    font-weight: 600;
    color: var(--color-heading);
    white-space: nowrap;
}

.ds-callout {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-left: 3px solid var(--color-cta);
    border-radius: 12px;
    padding: 18px 22px;
    font-size: 0.98rem;
}

.ds-callout p { margin: 0; }
.ds-callout p + p { margin-top: 0.7em; }

/* FAQ / references / related */
.ds-section-title {
    font-family: 'Lora', serif;
    font-size: 1.45rem;
    color: var(--color-heading);
    margin: 2.6em 0 1em;
}

.ds-faq details {
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
}

.ds-faq summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-heading);
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

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

.ds-faq summary::after {
    content: '+';
    font-weight: 400;
    color: var(--color-accent);
    flex-shrink: 0;
}

.ds-faq details[open] summary::after { content: '\2013'; }

.ds-faq details > div {
    padding-top: 10px;
    color: var(--color-muted);
    line-height: 1.7;
}

.ds-references {
    font-size: 0.88rem;
    color: var(--color-muted);
    line-height: 1.6;
    padding-left: 22px;
}

.ds-references li + li { margin-top: 0.6em; }

.ds-references a { color: var(--color-accent); }

.ds-related {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
    gap: 16px;
    padding: 0;
    list-style: none;
}

.ds-related a {
    display: block;
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    color: var(--color-heading);
    font-weight: 500;
    font-size: 0.96rem;
    line-height: 1.4;
    text-decoration: none;
    transition: border-color 0.2s, transform 0.2s;
}

.ds-related a:hover {
    border-color: var(--color-card-border-hover);
    transform: translateY(-2px);
}

/* End-of-page CTA */
.ds-cta {
    margin-top: 3em;
    padding: 30px 28px;
    border-radius: 16px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    text-align: center;
}

.ds-cta h2 {
    font-family: 'Lora', serif;
    font-size: 1.35rem;
    color: var(--color-heading);
    margin-bottom: 10px;
}

.ds-cta p {
    color: var(--color-muted);
    line-height: 1.65;
    max-width: 48ch;
    margin: 0 auto 20px;
}

.ds-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.ds-disclaimer {
    margin-top: 18px;
    font-size: 0.82rem;
    color: var(--color-muted);
    opacity: 0.85;
}

.ds-disclaimer a { color: inherit; text-decoration: underline; }

/* ── Calculators ─────────────────────────────────────────────────────── */
.ds-calc {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    padding: 26px 24px;
    margin-bottom: 36px;
}

.ds-calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
    gap: 16px;
}

.ds-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 6px;
}

.ds-field input,
.ds-field select {
    width: 100%;
    padding: 10px 12px;
    font: inherit;
    font-size: 0.98rem;
    color: var(--color-text);
    background: var(--color-outline-bg);
    border: 1px solid var(--color-outline-border);
    border-radius: 10px;
}

.ds-field input:focus,
.ds-field select:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
}

.ds-field-hint {
    display: block;
    margin-top: 5px;
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--color-muted);
}

.ds-calc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.ds-calc-error {
    margin-top: 16px;
    font-size: 0.9rem;
    color: #B91C1C;
}

/* No prefers-color-scheme override here — the editorial surface is
   light-only, so the pale-pink dark variant would land on cream. */

.ds-result {
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid var(--color-border);
}

.ds-result[hidden] { display: none; }

.ds-result-headline {
    font-family: 'Lora', serif;
    font-size: 1.9rem;
    color: var(--color-heading);
    line-height: 1.2;
}

.ds-result-sub {
    color: var(--color-muted);
    font-size: 0.95rem;
    margin-top: 6px;
}

.ds-result-rows {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
    gap: 14px;
    margin-top: 22px;
}

.ds-result-row {
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--color-outline-bg);
    border: 1px solid var(--color-outline-border);
}

.ds-result-row dt {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-muted);
}

.ds-result-row dd {
    margin: 6px 0 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-heading);
}

/* ── /about ──────────────────────────────────────────────────────────── */
.ds-founder {
    display: grid;
    gap: 20px;
    padding: 24px;
    border-radius: 16px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    margin-top: 1.4em;
}

.ds-founder h2 {
    margin-top: 0;
    font-size: 1.3rem;
}

.ds-founder-role {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-cta);
    margin-bottom: 10px;
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .ds-hub { padding: 36px 18px 16px; }
    .ds-hub h1 { font-size: 1.75rem; }
    .ds-card-grid { grid-template-columns: 1fr; padding: 24px 18px 48px; }
    .ds-article { padding: 28px 18px 56px; }
    .ds-article h1 { font-size: 1.68rem; }
    .ds-prose { font-size: 1rem; }
    .ds-prose h2 { font-size: 1.32rem; }
    .ds-result-headline { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
    .ds-card,
    .ds-related a {
        transition: none;
    }
    .ds-card:hover,
    .ds-related a:hover {
        transform: none;
    }
}
