/* Spark Automations — Internal Site Stylesheet
   Brand v1 (2026-04-27): monochrome geometric, Inter typography, no shadows. */

:root {
  --ink: #0A0A0A;
  --paper: #FFFFFF;
  --off-paper: #FAFAFA;
  --g100: #F5F5F5;
  --g300: #D4D4D4;
  --g500: #737373;
  --g700: #404040;
  --g900: #171717;
  --warn: #B45309;
  --ok:   #15803D;
  --info: #1E40AF;
  --stop: #991B1B;
}

* { box-sizing: border-box; }

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  scroll-behavior: smooth;
}
@supports (font-variation-settings: normal) {
  html { font-family: 'Inter var', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; }
}

body {
  margin: 0;
  background: var(--off-paper);
  color: var(--ink);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--g300);
  transition: border-color 0.15s ease;
}
a:hover { border-bottom-color: var(--ink); }
a.plain { border-bottom: 0; }

code, .mono {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--g100);
  padding: 1px 6px;
  border-radius: 3px;
}

/* Header / nav */

.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--g300);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-header img.logo {
  height: 80px;
  width: auto;
  display: block;
  flex-shrink: 0;
  max-width: 60vw;
}
/* Star-only mark for square / tight contexts */
.site-header img.logo.star {
  height: 48px;
  width: 48px;
  object-fit: contain;
}
.site-header nav {
  display: flex;
  gap: 24px;
  flex: 1;
  font-size: 13px;
  font-weight: 500;
}
.site-header nav a {
  color: var(--g700);
  border-bottom: 0;
  padding: 4px 0;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav a.active {
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 2px;
}
.site-header .meta {
  font-size: 11px;
  color: var(--g500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Nav v2: grouped dropdowns + hamburger drawer (mobile-first) ── */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  margin-left: auto;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-header nav .nav-group { position: relative; }
.site-header nav .nav-group > summary {
  list-style: none;
  cursor: pointer;
  color: var(--g700);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.site-header nav .nav-group > summary::-webkit-details-marker { display: none; }
.site-header nav .nav-group > summary::after {
  content: "\25BE";
  font-size: 9px;
  color: var(--g500);
  margin-left: 2px;
}
.site-header nav .nav-group:hover > summary,
.site-header nav .nav-group[open] > summary { color: var(--ink); }
.site-header nav .nav-group .nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: -10px;
  background: var(--paper);
  border: 1px solid var(--g300);
  border-radius: 8px;
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 2px;
  min-width: 160px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  z-index: 60;
}
.site-header nav .nav-group[open] .nav-dropdown,
.site-header nav .nav-group:hover .nav-dropdown { display: flex; }
.site-header nav .nav-group .nav-dropdown a {
  padding: 8px 12px;
  border-radius: 4px;
  white-space: nowrap;
  font-size: 13px;
  border-bottom: 0;
}
.site-header nav .nav-group .nav-dropdown a:hover { background: var(--g100); }
.site-header nav .nav-group .nav-dropdown a.active {
  background: var(--g100);
  color: var(--ink);
  border-bottom: 0;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 48;
}
.nav-backdrop.open { opacity: 1; pointer-events: auto; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-header .row { padding: 10px 16px; gap: 8px; }
  .site-header nav.primary-nav {
    position: fixed;
    top: 60px;
    right: 0;
    width: 84vw;
    max-width: 320px;
    height: calc(100vh - 60px);
    background: var(--paper);
    border-left: 1px solid var(--g300);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    box-shadow: -8px 0 24px rgba(0,0,0,0.08);
    z-index: 49;
    /* override the desktop horizontal-scroll mask */
    -webkit-mask-image: none;
    mask-image: none;
    flex: none;
  }
  .site-header nav.primary-nav.open { transform: translateX(0); }
  .site-header nav.primary-nav a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--g100);
    font-size: 15px;
    border-radius: 0;
    -webkit-tap-highlight-color: transparent;
  }
  .site-header nav.primary-nav a.active {
    background: var(--g100);
    color: var(--ink);
    border-radius: 4px;
    border-bottom: 1px solid var(--g100);
  }
  .site-header nav.primary-nav .nav-group {
    border-bottom: 1px solid var(--g100);
  }
  .site-header nav.primary-nav .nav-group > summary {
    font-size: 15px;
    width: 100%;
    justify-content: space-between;
    padding: 14px 12px;
  }
  .site-header nav.primary-nav .nav-group .nav-dropdown {
    position: static;
    border: 0;
    box-shadow: none;
    padding: 0 0 8px 12px;
    margin: 0;
    background: transparent;
    border-radius: 0;
    min-width: 0;
    display: flex;
  }
  .site-header nav.primary-nav .nav-group:not([open]) .nav-dropdown { display: none; }
  .site-header nav.primary-nav .nav-group .nav-dropdown a {
    padding: 10px 12px;
    border-bottom: 0;
    font-size: 14px;
    color: var(--g700);
  }
  .site-header nav.primary-nav .nav-group .nav-dropdown a.active {
    background: var(--g100);
    border-radius: 4px;
  }
}

/* Page hero */

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 40px 24px;
}
.hero h1 {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero .crumbs {
  font-size: 12px;
  color: var(--g500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.hero .crumbs a { color: var(--g500); border-bottom: 0; }
.hero .crumbs a:hover { color: var(--ink); }
.hero .lead {
  font-size: 15px;
  color: var(--g700);
  max-width: 800px;
}

/* KPI tiles */

.kpis {
  max-width: 1200px;
  margin: 0 auto 8px;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.kpi {
  background: var(--paper);
  border: 1px solid var(--g300);
  border-radius: 10px;
  padding: 16px 18px;
}
.kpi .label {
  font-size: 11px;
  color: var(--g500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.kpi .value {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.kpi .value.warn { color: var(--warn); }
.kpi .value.ok { color: var(--ok); }
.kpi .sub {
  font-size: 12px;
  color: var(--g500);
  margin-top: 2px;
}

/* Main grid */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
main.single { grid-template-columns: 1fr; }

section {
  background: var(--paper);
  border: 1px solid var(--g300);
  border-radius: 10px;
  padding: 22px 24px;
}
section.full { grid-column: 1 / -1; }

section h2 {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--g900);
  border-bottom: 1px solid var(--g300);
  padding-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
section h2 .count {
  font-size: 10px;
  color: var(--g500);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

section h3 {
  margin: 18px 0 8px;
  font-size: 14px;
  font-weight: 600;
}

/* Rows */

.row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--g300);
}
.row:last-child { border-bottom: 0; }
.row .label { font-size: 14px; color: var(--ink); flex: 1; }
.row .label .meta { display: block; font-size: 12px; color: var(--g500); margin-top: 3px; line-height: 1.5; }

/* Pills */

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border: 1px solid;
  background: var(--paper);
}
.pill.warn { color: var(--warn); border-color: var(--warn); }
.pill.ok   { color: var(--ok);   border-color: var(--ok); }
.pill.info { color: var(--info); border-color: var(--info); }
.pill.stop { color: var(--stop); border-color: var(--stop); }
.pill.gray { color: var(--g700); border-color: var(--g300); background: var(--g100); }
.pill.solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Banners */

.banner {
  background: var(--paper);
  border: 1px solid var(--g300);
  border-left: 3px solid var(--ink);
  border-radius: 8px;
  padding: 14px 22px;
  font-size: 13.5px;
  color: var(--g700);
  line-height: 1.55;
  margin-bottom: 16px;
}
.banner b { color: var(--ink); font-weight: 600; }
.banner.warn { border-left-color: var(--warn); }
.banner.stop { border-left-color: var(--stop); }
.banner.info { border-left-color: var(--info); }

/* Tree */

ul.tree {
  list-style: none;
  padding-left: 0;
  margin: 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--g700);
}
ul.tree ul { list-style: none; padding-left: 18px; }
ul.tree .new { color: var(--ink); font-weight: 600; }
ul.tree .pending { color: var(--warn); }
ul.tree .note { color: var(--g500); font-style: italic; }

/* Decision list */

ol.decisions { margin: 0; padding-left: 20px; }
ol.decisions li { padding: 10px 0; font-size: 14px; color: var(--ink); }
ol.decisions li .why { display: block; color: var(--g500); font-size: 12.5px; margin-top: 4px; line-height: 1.55; }
ol.decisions li .options { margin: 8px 0 4px; padding-left: 16px; font-size: 12.5px; color: var(--g700); }
ol.decisions li .options li { padding: 2px 0; }
ol.decisions li .rec { display: block; color: var(--ink); font-size: 12.5px; margin-top: 6px; font-weight: 500; }

/* Tables */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table th, table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--g300);
  vertical-align: top;
}
table th {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--g500);
  background: var(--g100);
}
table tr:last-child td { border-bottom: 0; }

/* Color swatches (brand page) */

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}
.swatch {
  border: 1px solid var(--g300);
  border-radius: 8px;
  overflow: hidden;
  font-size: 12px;
}
.swatch .chip { height: 60px; }
.swatch .info { padding: 8px 10px; display: flex; justify-content: space-between; align-items: center; }
.swatch .info .name { font-weight: 600; }
.swatch .info .hex { color: var(--g500); font-family: ui-monospace, monospace; }

/* Type specimen */

.specimen {
  border: 1px solid var(--g300);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.specimen .role {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--g500);
  margin-bottom: 6px;
}

/* Footer */

.footer-note {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 40px 40px;
  text-align: center;
  color: var(--g500);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* Utility */

.muted { color: var(--g500); }
.small { font-size: 12px; }
.flex { display: flex; }
.gap-12 { gap: 12px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }

/* Chat widget — sticky bottom-right */

.spark-chat {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 380px;
  max-width: calc(100vw - 32px);
  background: var(--paper);
  border: 1px solid var(--g300);
  border-radius: 12px;
  z-index: 100;
  font-family: 'Inter', -apple-system, sans-serif;
  overflow: hidden;
}
.spark-chat .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--g300);
  cursor: pointer;
  user-select: none;
}
.spark-chat .head .title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.spark-chat .head .status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--g500);
}
.spark-chat .head .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--g300);
  display: inline-block;
}
.spark-chat .head .dot.ok { background: var(--ok); }
.spark-chat .head .dot.stop { background: var(--stop); }
.spark-chat .body {
  padding: 12px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.spark-chat.collapsed .body { display: none; }
.spark-chat textarea {
  width: 100%;
  min-height: 90px;
  resize: vertical;
  border: 1px solid var(--g300);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  outline: none;
}
.spark-chat textarea:focus { border-color: var(--ink); }
.spark-chat .actions {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}
.spark-chat button {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--g300);
  background: var(--paper);
  color: var(--ink);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.12s ease;
}
.spark-chat button:hover { background: var(--g100); }
.spark-chat button.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.spark-chat button.primary:hover { background: var(--g900); }
.spark-chat button.recording { background: var(--stop); color: var(--paper); border-color: var(--stop); }
.spark-chat button:disabled { opacity: 0.5; cursor: not-allowed; }
.spark-chat .toast {
  font-size: 11px;
  color: var(--g500);
  min-height: 14px;
  letter-spacing: 0.02em;
}
.spark-chat .toast.ok { color: var(--ok); }
.spark-chat .toast.stop { color: var(--stop); }

.spark-chat .hint {
  font-size: 11px;
  color: var(--g500);
  line-height: 1.5;
}
.spark-chat .hint code { font-size: 10px; }

/* =============================================================
   Responsive — phone-first hardening
   Breakpoints:
     ≤900px → tablet / large phone landscape (collapse 2-col grids)
     ≤768px → small tablet / phone landscape
     ≤480px → phone portrait (primary target)
   ============================================================= */

/* Wrap any wide table with .table-wrap or use the existing utility */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; padding: 20px; gap: 16px; }
  .kpis { grid-template-columns: repeat(2, 1fr); padding: 0 20px; gap: 12px; }
  .hero { padding: 24px 20px 16px; }

  /* Header: keep single-row, allow horizontal nav scroll with fade hint */
  .site-header .row {
    padding: 10px 16px;
    gap: 12px;
    flex-wrap: nowrap;
    align-items: center;
  }
  .site-header img.logo { height: 40px; }
  .site-header img.logo.star { height: 36px; width: 36px; }
  .site-header nav {
    gap: 18px;
    flex: 1 1 auto;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    /* Right-edge fade signals more content off-screen */
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 24px), transparent 100%);
            mask-image: linear-gradient(to right, #000 calc(100% - 24px), transparent 100%);
    padding-right: 8px;
  }
  .site-header nav::-webkit-scrollbar { display: none; }
  .site-header nav a {
    padding: 8px 0; /* taller tap target */
    font-size: 13px;
  }
  .site-header .meta { display: none; } /* free up nav width */

  /* Tables: scroll horizontally inside .table-wrap; fallback section overflow */
  section { padding: 18px 16px; }
  section > table:not([class]) { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; }
  /* Only force min-width on tables wide enough to need it (3+ columns).
     2-column reference tables (rubisco PRT, tech kapso) stay fluid. */
  .table-wrap table.proj { min-width: 540px; }
  table th, table td { padding: 8px 8px; }

  /* Two-col inline grids (brand page logo variants) */
  main > section [style*="grid-template-columns: repeat(2"],
  section [style*="grid-template-columns: repeat(2"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 24px; }
  .hero .lead { font-size: 14px; }
  section { padding: 16px 14px; }
  .banner { padding: 12px 16px; font-size: 13px; }
  .kpi { padding: 12px 14px; }
  .kpi .value { font-size: 20px; }
}

@media (max-width: 600px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  /* Some pages used a tighter 2-col bento — collapse */
  .swatch-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  body { font-size: 14px; }
  main { padding: 16px 12px; gap: 14px; }
  .hero { padding: 20px 14px 12px; }
  .hero h1 { font-size: 22px; line-height: 1.15; }
  .hero .lead { font-size: 13.5px; }
  .hero .crumbs { font-size: 11px; }

  .kpis { grid-template-columns: 1fr; padding: 0 14px; gap: 10px; margin-bottom: 4px; }
  .kpi { padding: 12px 14px; }

  section { padding: 14px 14px; border-radius: 8px; }
  section h2 { font-size: 11px; }

  /* Header: smaller logo, tighter padding, ensure tap targets ≥40px */
  .site-header .row { padding: 8px 12px; gap: 8px; }
  .site-header img.logo { height: 36px; }
  .site-header nav { gap: 14px; }
  .site-header nav a {
    padding: 10px 2px;
    font-size: 13px;
    min-height: 40px;
    display: flex;
    align-items: center;
  }

  .footer-note { padding: 8px 14px 32px; }

  /* Pills inline in dense rows can crowd — keep them readable */
  .pill { font-size: 11px; padding: 3px 9px; }

  /* Banners */
  .banner { padding: 12px 14px; font-size: 13px; border-radius: 6px; }

  /* Forms: ≥16px font-size to prevent iOS auto-zoom */
  input[type="search"],
  input[type="text"],
  input[type="email"],
  textarea,
  select {
    font-size: 16px !important;
  }

  /* Chat widget: collapse to small floating bubble */
  .spark-chat {
    right: 12px;
    bottom: 12px;
    width: auto;
    max-width: calc(100vw - 24px);
    border-radius: 999px;
  }
  .spark-chat .head {
    padding: 10px 14px;
    gap: 10px;
  }
  .spark-chat .head .title { font-size: 11px; }
  .spark-chat .head .status { font-size: 10px; }
  /* When collapsed (default on phone), shrink to a pill; when open, expand to width */
  .spark-chat:not(.collapsed) {
    width: calc(100vw - 24px);
    border-radius: 12px;
  }
  .spark-chat .body { padding: 10px 14px 14px; }
  .spark-chat textarea { font-size: 16px; }
  .spark-chat button {
    padding: 10px 14px;
    min-height: 40px;
    font-size: 13px;
  }
}