/* DaBro Editorial v2 — Tweaks
 * Extracted from Claude Design bundle (2026-04-17)
 *
 * Data-driven overrides on <html data-theme|density|accent|h1|toc|cta>:
 *   theme:   paper (default) | dark | sepia
 *   density: comfortable (default) | compact | spacious
 *   accent:  green (default) | violet
 *   h1:      mark-highlight (default) | underline | box-frame
 *   toc:     sticky (default) | inline | hidden
 *   cta:     inverse (default) | paper | minimal
 *
 * Plus floating tweaks panel UI (hidden by default,
 * toggled with .tweaks-open on <html>).
 */

/* =========================================================================
   TWEAKS — theme / density / accent / H1 treatment / TOC / CTA
   All driven by data-* attributes on <html>.
   ========================================================================= */

/* ---- THEME ---------------------------------------------------------- */
/* Default = paper. These overrides don't fight the tokens file — they
   rebind the same variables at the :root level. */
html[data-theme="dark"] {
  --paper: #0a0a0a; --paper-2: #171717; --paper-3: #222; --paper-edge: #2e2e2e;
  --fg-1: #fbfaf5; --fg-2: #b5b5a8; --fg-3: #7d7d72;
  --rule: #2e2e2e;
  --callout-info-bg: #0e2133; --callout-tip-bg: #0e2316;
  --callout-warn-bg: #2a1e08; --callout-myth-bg: #1f152e;
  --highlight-bg: #06f806; --highlight-fg: #0a0a0a;
  --link: #06f806; --link-hover: #9cff9c;
}
html[data-theme="dark"] .topnav { background: color-mix(in srgb, #0a0a0a 86%, transparent); }
html[data-theme="dark"] .related__card-img { background: #171717; }

html[data-theme="sepia"] {
  --paper: #f4ecd8; --paper-2: #ebe0c4; --paper-3: #dfd2b0; --paper-edge: #c8b78e;
  --fg-1: #2a1e08; --fg-2: #5c4a2a; --fg-3: #8a7856;
  --rule: #2a1e08;
  --ink: #2a1e08; --ink-2: #3a2a14; --ink-3: #4a3620; --ink-edge: #5a4530;
  --callout-info-bg: #e4e6d0; --callout-tip-bg: #dfe8cc;
  --callout-warn-bg: #edd9b4; --callout-myth-bg: #e8dcd0;
}

/* ---- DENSITY -------------------------------------------------------- */
html[data-density="compact"] {
  --flow-paragraph: 0.85em;
  --flow-block: var(--space-5);
  --flow-h2: var(--space-6);
  --flow-h3: var(--space-5);
  --lh-body: 1.5;
}
html[data-density="compact"] body { font-size: clamp(1rem, 0.95rem + 0.3vw, 1.1rem); }
html[data-density="spacious"] {
  --flow-paragraph: 1.4em;
  --flow-block: var(--space-8);
  --flow-h2: var(--space-10);
  --flow-h3: var(--space-7);
  --lh-body: 1.8;
}

/* ---- ACCENT SWAP --------------------------------------------------- */
/* Default = green primary. Violet-primary flips the roles. */
html[data-accent="violet"] {
  --accent-green: #bb06f8;
  --link: #8a04b8; --link-hover: #6d0394;
  --highlight-bg: #d6c2ff; --highlight-fg: #2a0e70;
  --quote-bar: #bb06f8;
  --callout-tip-edge: #bb06f8; --callout-tip-bg: #f8ecfe;
  --callout-myth-edge: #06f806; --callout-myth-bg: #e8fff0;
}
html[data-accent="violet"] .toc-desktop a.active { border-color: #bb06f8; }
html[data-accent="violet"] .toc-desktop a.active::before,
html[data-accent="violet"] .article h2::before,
html[data-accent="violet"] .hero__eyebrow,
html[data-accent="violet"] .cta-block__eyebrow { color: #c4b3ff; }
html[data-accent="violet"] .hero__h1 mark,
html[data-accent="violet"] .cta-block__h2 mark { background: #bb06f8; color: #fbfaf5; }
html[data-accent="violet"] .cta-block__btn { background: #bb06f8; color: #fbfaf5;
  border-color: #bb06f8; box-shadow: 4px 4px 0 0 #bb06f8; }
html[data-accent="violet"] .cta-block__btn:hover { box-shadow: 2px 2px 0 0 #bb06f8; }
html[data-accent="violet"] .stat__num .unit { color: #c4b3ff; }
html[data-accent="violet"] .tag--green { background: #bb06f8; color: #fbfaf5; }

/* ---- H1 TREATMENT -------------------------------------------------- */
/* mark-highlight is default — defined already. */
html[data-h1="underline"] .hero__h1 mark {
  background: transparent; color: var(--accent-green); padding: 0;
  text-decoration: underline; text-decoration-color: var(--accent-green);
  text-decoration-thickness: 8px; text-underline-offset: 4px;
}
html[data-h1="box-frame"] .hero__h1 mark {
  background: transparent; color: var(--fg-on-ink-1);
  box-shadow: inset 0 0 0 4px var(--accent-green); padding: 0.05em 0.15em;
}

/* ---- TOC STYLE ----------------------------------------------------- */
html[data-toc="inline"] .toc-desktop { display: none; }
html[data-toc="inline"] .layout { grid-template-columns: 1fr; }
html[data-toc="inline"] .toc-mobile { display: block; }

html[data-toc="hidden"] .toc-desktop,
html[data-toc="hidden"] .toc-mobile { display: none; }
html[data-toc="hidden"] .layout { grid-template-columns: 1fr; }

/* ---- CTA VARIANT --------------------------------------------------- */
html[data-cta="paper"] .cta-block { background: var(--paper-2); color: var(--fg-1);
  border-top: 3px solid var(--rule); border-image: none; }
html[data-cta="paper"] .cta-block__eyebrow { color: var(--link); }
html[data-cta="paper"] .cta-block__h2 { color: var(--fg-1); }
html[data-cta="paper"] .cta-block__h2 mark { background: var(--highlight-bg); color: var(--fg-1); }
html[data-cta="paper"] .cta-block__dek { color: var(--fg-2); }
html[data-cta="paper"] .cta-block__btn { box-shadow: 4px 4px 0 0 var(--ink); border-color: var(--ink); }
html[data-cta="paper"] .cta-block__btn:hover { box-shadow: 2px 2px 0 0 var(--ink); }

html[data-cta="minimal"] .cta-block { background: transparent; color: var(--fg-1);
  border-top: 1px solid var(--rule); border-image: none; }
html[data-cta="minimal"] .cta-block__inner { padding: 48px 24px; grid-template-columns: 1fr; text-align: left; }
html[data-cta="minimal"] .cta-block__visual { display: none; }
html[data-cta="minimal"] .cta-block__h2 { color: var(--fg-1); font-size: clamp(28px, 4vw, 40px); }
html[data-cta="minimal"] .cta-block__h2 mark { background: var(--highlight-bg); color: var(--fg-1); }
html[data-cta="minimal"] .cta-block__eyebrow { color: var(--link); }
html[data-cta="minimal"] .cta-block__dek { color: var(--fg-2); max-width: 52ch; }
html[data-cta="minimal"] .cta-block__btn { box-shadow: none; border-color: var(--ink);
  background: var(--ink); color: var(--paper); }
html[data-cta="minimal"] .cta-block__btn:hover { background: var(--accent-green); color: var(--ink); }

/* =========================================================================
   TWEAKS PANEL UI — hidden by default; host iframe toggles .tweaks-open
   ========================================================================= */
.tweaks { position: fixed; right: 20px; bottom: 20px; z-index: 200;
  background: var(--paper); color: var(--fg-1);
  border: 1.5px solid var(--ink); border-radius: var(--radius-3);
  box-shadow: 6px 6px 0 0 var(--ink);
  width: 280px; padding: 16px 18px 14px; font-family: var(--font-sans);
  display: none; }
html.tweaks-open .tweaks { display: block; }
.tweaks__title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em;
  font-weight: 700; color: var(--fg-2); margin: 0 0 12px;
  display: flex; justify-content: space-between; align-items: center; }
.tweaks__title::before { content: "/ Tweaks"; color: var(--accent-green);
  background: var(--ink); padding: 2px 6px; border-radius: 2px; font-size: 10px; }
.tweaks__row { display: grid; grid-template-columns: 1fr; gap: 6px; margin-bottom: 12px; }
.tweaks__label { font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--fg-2); text-transform: uppercase; }
.tweaks__seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  border: 1px solid var(--paper-edge); border-radius: var(--radius-2); overflow: hidden; }
.tweaks__seg button { border: 0; background: transparent; padding: 6px 4px;
  font: 500 11px/1 var(--font-sans); color: var(--fg-1); cursor: pointer;
  border-right: 1px solid var(--paper-edge); transition: all var(--t-fast); }
.tweaks__seg button:last-child { border-right: 0; }
.tweaks__seg button:hover { background: var(--paper-2); }
.tweaks__seg button[aria-pressed="true"] { background: var(--ink); color: var(--accent-green); }
