/* ============================================================================
   ROOM 641 — brand theme over MkDocs Material
   Palette + voice from internal/superpowers/specs/2026-05-27-room-641-brand-design.md
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@400;600;700&display=swap");

:root {
  --brass:     #A98238;
  --patina:    #3B2E1C;
  --paper:     #F4EFE6;
  --highlight: #D6B97A;
  --ink:       #1B1A17;

  --r641-display: "Roboto Slab", Georgia, "Times New Roman", serif;

  /* ---- Material variable overrides (palette: custom) ---- */
  --md-primary-fg-color:        var(--patina);
  --md-primary-fg-color--light: #4d3d26;
  --md-primary-fg-color--dark:  #2a2014;
  --md-primary-bg-color:        var(--paper);
  --md-primary-bg-color--light: rgba(244, 239, 230, 0.7);

  --md-accent-fg-color:         var(--brass);
  --md-accent-fg-color--transparent: rgba(169, 130, 56, 0.1);

  --md-default-bg-color:        var(--paper);
  --md-default-fg-color:        var(--ink);
  --md-default-fg-color--light: rgba(27, 26, 23, 0.72);
  --md-default-fg-color--lighter: rgba(27, 26, 23, 0.4);

  --md-typeset-color:           var(--ink);
  --md-typeset-a-color:         var(--brass);

  --md-code-bg-color:           rgba(59, 46, 28, 0.06);
  --md-footer-bg-color:         var(--paper);
  --md-footer-bg-color--dark:   var(--paper);
}

/* Custom palette hook so `primary: custom` / `accent: custom` resolve. */
[data-md-color-primary="custom"] {
  --md-primary-fg-color: var(--patina);
  --md-primary-bg-color: var(--paper);
}
[data-md-color-accent="custom"] {
  --md-accent-fg-color: var(--brass);
}

/* ---------------------------------------------------------------- base ---- */

body, .md-typeset {
  background-color: var(--paper);
  color: var(--ink);
}

.md-typeset {
  font-size: 0.78rem;
  line-height: 1.72;
}

.md-grid { max-width: 64rem; }       /* ~comfortable reading measure */

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: var(--r641-display);
  color: var(--patina);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.md-typeset h1 {
  font-weight: 700;
  font-size: 1.95rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0;
}

.md-typeset a { color: var(--brass); }
.md-typeset a:hover { color: var(--patina); }

/* hairline rules in brand color */
.md-typeset hr { border-bottom: 1px solid var(--highlight); }

/* ------------------------------------------------------ header / chrome ---- */

.md-header { background-color: var(--patina); color: var(--paper); }
.md-header__title { font-family: var(--r641-display); letter-spacing: 0.04em; }
.md-tabs { background-color: var(--patina); }

/* lowercase, deadpan nav labels */
.md-tabs__link,
.md-header-nav__title { text-transform: lowercase; letter-spacing: 0.03em; }

.md-header__button.md-logo img { height: 2.1rem; width: auto; }

/* ----------------------------------------------------- case-file chrome ---- */

.case-eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.66rem;
  color: var(--brass);
  margin: 0 0 0.35rem 0;
}

.md-typeset .case-meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--md-default-fg-color--light);
  margin: 0.4rem 0 1.5rem 0;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--highlight);
}

/* ----------------------------------------------------------- chips -------- */

.md-typeset .chip {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.08em 0.55em;
  border-radius: 2px;
  border: 1px solid currentColor;
  line-height: 1.6;
  white-space: nowrap;
  vertical-align: baseline;
}

/* calibrated verdict vocabulary */
.chip--supported            { color: #2f6b3a; background: rgba(47, 107, 58, 0.10); }
.chip--partially-true       { color: #8a6d1f; background: rgba(138, 109, 31, 0.12); }
.chip--contradicted         { color: #9c3a2e; background: rgba(156, 58, 46, 0.10); }
.chip--unfalsifiable        { color: #5a4b8a; background: rgba(90, 75, 138, 0.10); }
.chip--insufficient-evidence{ color: #5c5c5c; background: rgba(92, 92, 92, 0.10); }
.chip--none                 { color: #5c5c5c; background: rgba(92, 92, 92, 0.08); }

/* confidence (neutral) */
.chip--conf {
  color: var(--patina);
  background: rgba(169, 130, 56, 0.12);
  border-color: var(--highlight);
}

/* ----------------------------------- "Where I Could Be Wrong" callout ----- */

.md-typeset .wicbw {
  background: rgba(169, 130, 56, 0.07);
  border: 1px solid var(--highlight);
  border-left: 4px solid var(--brass);
  border-radius: 3px;
  padding: 0.2rem 1.4rem 1rem;
  margin: 2rem 0;
}

.md-typeset .wicbw h2 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--brass);
  margin-top: 1rem;
}
.md-typeset .wicbw h2::before {
  content: "▍ ";
  color: var(--brass);
}

/* ----------------------------------------------------- index ledger ------- */

.md-typeset .case-ledger-wrap table {
  border: none;
  width: 100%;
  font-size: 0.74rem;
  display: table;
}
.md-typeset .case-ledger-wrap th {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.6rem;
  color: var(--md-default-fg-color--light);
  background: transparent;
  border-bottom: 1px solid var(--highlight);
  text-align: left;
}
.md-typeset .case-ledger-wrap td {
  border: none;
  border-bottom: 1px solid rgba(214, 185, 122, 0.4);
  vertical-align: top;
  padding: 0.7rem 0.6rem;
}
.md-typeset .case-ledger-wrap tr:hover td { background: rgba(169, 130, 56, 0.06); }
.md-typeset .case-ledger-wrap td:first-child {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--brass);
  font-weight: 600;
  white-space: nowrap;
}

/* ----------------------------------------------------- landing page ------- */

.r641-landing-active .md-main__inner { margin-top: 0; }

.r641-hero {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
  border-bottom: 1px solid var(--highlight);
}
.r641-hero__plate {
  width: min(320px, 70vw);
  height: auto;
  filter: drop-shadow(0 6px 14px rgba(59, 46, 28, 0.18));
}
.r641-hero__tagline {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--patina);
  margin: 1.4rem 0 0.4rem;
}
.r641-hero__mission {
  font-family: var(--md-text-font, serif);
  color: var(--md-default-fg-color--light);
  max-width: 34rem;
  margin: 0 auto 1.8rem;
  font-size: 0.82rem;
}
.r641-hero__cta {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: var(--paper) !important;
  background: var(--patina);
  border: 1px solid var(--patina);
  padding: 0.7em 1.4em;
  border-radius: 3px;
  transition: background 0.15s ease, color 0.15s ease;
}
.r641-hero__cta:hover {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--paper) !important;
}

.r641-recent {
  max-width: 44rem;
  margin: 2.5rem auto 3rem;
  padding: 0 1rem;
}
.r641-recent__head {
  font-family: "IBM Plex Mono", ui-monospace, monospace !important;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.68rem !important;
  color: var(--brass) !important;
  border-bottom: 1px solid var(--highlight);
  padding-bottom: 0.6rem;
}
.r641-recent__list { list-style: none; margin: 0; padding: 0; }
.r641-recent__row { margin: 0; }
.r641-recent__row a {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 0.4rem;
  border-bottom: 1px solid rgba(214, 185, 122, 0.4);
  color: var(--ink) !important;
  text-decoration: none;
}
.r641-recent__row a:hover { background: rgba(169, 130, 56, 0.06); }
.r641-recent__num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--brass);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.r641-recent__title {
  font-family: var(--r641-display);
  color: var(--patina);
  font-size: 1.05rem;
  line-height: 1.3;
}
/* confidence + verdict share a row beneath the full-width title */
.r641-recent__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.r641-recent__conf {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--md-default-fg-color--light);
}

/* ----------------------------------------------------------- footer ------- */

.room641-footer {
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--highlight);
  background: var(--paper);
}
.room641-footer p {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--patina);
  margin: 0;
}
.room641-footer a { color: var(--brass); text-decoration: none; }
.room641-footer .room641-footer__links {
  margin-top: 0.5rem;
  font-size: 0.6rem;
  color: var(--md-default-fg-color--light);
}