/* =============================================================
   Dobu Diligence — local report theme
   Tokens lifted from automated-market-studies/docs/design
   (app.css base + theme-umami.css overrides). DM Sans UI,
   one display serif, brand orange #F23F09 as the single accent,
   12-step cool-neutral base scale, hairline borders, tight radii.
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=Fraunces:opsz,wght@9..144,400;9..144,500&family=DM+Mono:wght@400;500&display=swap');

:root {
  /* fonts */
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-mono: 'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* brand */
  --c-brand-orange: #F23F09;
  --c-brand-orange-strong: #d6360a;

  /* react-zen base scale (cool neutral, Radix-style 1->12) */
  --base-1:  #fcfcfd; --base-2:  #f8f8fa; --base-3:  #f1f1f4; --base-4:  #ececef;
  --base-5:  #e6e6ea; --base-6:  #dededf; --base-7:  #d3d3d8; --base-8:  #c2c2c9;
  --base-9:  #9b9ba3; --base-10: #7c7c85; --base-11: #5b5b63; --base-12: #1c1c1f;

  --c-text-primary: var(--base-12); --c-text-secondary: var(--base-11);
  --c-text-tertiary: var(--base-9); --c-text-muted: var(--base-10);
  --c-text-inverse: #fbfbfc;

  --c-bg-app: var(--base-1); --c-surface: #ffffff; --c-surface-warm: #ffffff;
  --c-surface-raised: var(--base-2); --c-surface-active: var(--base-3);
  --c-surface-tinted: var(--base-4); --c-surface-deep: #1c1c1f;

  --c-border: var(--base-6); --c-border-strong: var(--base-7);
  --c-border-subtle: #f0f0f2; --c-border-interactive: var(--base-8);

  --c-accent: var(--base-9); --c-accent-strong: var(--base-11);
  --c-accent-subtle: var(--base-5); --c-illus-subject: #3f3f46;

  /* radii */
  --radius-xs: 4px; --radius-sm: 6px; --radius-md: 6px; --radius-lg: 8px;
  --radius-xl: 10px; --radius-2xl: 12px; --radius-pill: 999px;

  /* spacing */
  --space-4: 4px; --space-6: 6px; --space-8: 8px; --space-10: 10px;
  --space-12: 12px; --space-16: 16px; --space-20: 20px; --space-24: 24px; --space-32: 32px;

  /* shadows */
  --shadow-xs: 0 1px 2px rgba(24,24,27,0.04);
  --shadow-sm: 0 1px 3px rgba(24,24,27,0.06);
  --shadow-md: 0 4px 12px rgba(24,24,27,0.07);
  --shadow-lg: 0 12px 28px rgba(24,24,27,0.10);
  --shadow-ring: 0 0 0 3px rgba(242,63,9,0.16);

  /* risk semantics */
  --c-risk-high: #c0392b; --c-risk-high-bg: #fdf1f0; --c-risk-high-border: #f1cecb;
  --c-risk-med: #8a5a08;  --c-risk-med-dot: #c98a1e; --c-risk-med-bg: #faf5ec; --c-risk-med-border: #ebd8b6;
  --c-risk-low: #2f8a55;  --c-risk-low-bg: #eef7f1; --c-risk-low-border: #c3e3cf;
  --c-risk-tbd: #9b9ba3;  --c-risk-tbd-bg: #f3f3f5; --c-risk-tbd-border: #e3e3e7;

  --dur-base: 140ms; --ease-out: cubic-bezier(.2,.6,.2,1);
  --side-w: 264px; --topbar-h: 56px; --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font-sans); background: var(--c-bg-app);
  color: var(--c-text-primary); -webkit-font-smoothing: antialiased;
  font-size: 14px; line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---- App shell ---- */
.shell { min-height: 100vh; display: flex; }
.side {
  width: var(--side-w); flex: none; position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; background: var(--c-surface);
  border-right: 1px solid var(--c-border); padding: var(--space-16) var(--space-12);
  overflow-y: auto;
}
.side__brand { display: flex; align-items: center; gap: var(--space-8); padding: 4px var(--space-6) var(--space-16); }
.side__brand .mark {
  width: 28px; height: 28px; border-radius: 8px; flex: none;
  background: var(--c-surface-deep); color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}
.side__brand b { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.side__brand .sub { font-size: 11px; color: var(--c-text-tertiary); font-weight: 600; letter-spacing: .04em; }

.side__switch {
  display: flex; flex-direction: column; gap: 1px; text-align: left; width: 100%;
  border: 1px solid var(--c-border-strong); border-radius: var(--radius-md);
  padding: 8px 12px; background: var(--c-surface-raised);
  transition: border-color var(--dur-base) var(--ease-out); margin-bottom: var(--space-16);
}
.side__switch:hover { border-color: var(--c-border-interactive); background: var(--base-2); }
.side__switch-k { font-size: 10.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--c-text-tertiary); }
.side__switch-v { font-size: 14px; font-weight: 600; color: var(--c-text-primary); display: flex; justify-content: space-between; align-items: center; }
.side__switch-v .chev { color: var(--c-text-muted); font-size: 11px; }

.side__nav { flex: 1; }
.side__grouplabel { font-size: 10.5px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--c-text-tertiary); padding: 0 var(--space-8) var(--space-8); }
.side__item {
  width: 100%; display: flex; align-items: center; gap: var(--space-10);
  border: none; background: none; padding: 8px var(--space-8); border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500; color: var(--c-text-secondary); text-align: left;
  position: relative; transition: background var(--dur-base), color var(--dur-base);
}
.side__item .ix { font-size: 11px; font-variant-numeric: tabular-nums; color: var(--c-text-tertiary); width: 18px; flex: none; font-weight: 600; }
.side__item:hover { background: var(--c-surface-active); color: var(--c-text-primary); }
.side__item.is-active { background: var(--base-3); color: var(--c-text-primary); font-weight: 600; }
.side__item.is-active .ix { color: var(--c-brand-orange); }
.side__item.is-active::before {
  content: ""; position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 18px; border-radius: 0 3px 3px 0; background: var(--c-brand-orange);
}
.side__foot { border-top: 1px solid var(--c-border-subtle); padding: var(--space-12) var(--space-8) 4px; margin-top: var(--space-12); }
.side__run { font-size: 12px; color: var(--c-text-muted); }
.side__run b { color: var(--c-text-secondary); font-weight: 600; }

/* ---- Content column ---- */
.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: var(--topbar-h); flex: none; position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-12);
  padding: 0 var(--space-24); background: rgba(252,252,253,0.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.crumbs { display: flex; align-items: center; gap: var(--space-6); font-size: 13px; color: var(--c-text-muted); white-space: nowrap; }
.crumbs .sep { color: var(--c-border-strong); }
.crumbs .here { color: var(--c-text-primary); font-weight: 600; }
.topbar .meta { font-size: 12px; color: var(--c-text-tertiary); }

.main { flex: 1; width: 100%; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: var(--space-32) var(--space-24) 80px; }

/* ---- Section head ---- */
.sec-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-text-tertiary); margin-bottom: var(--space-10); display: flex; align-items: center; gap: var(--space-10); }
.sec-eyebrow .rt { color: var(--c-text-muted); font-weight: 600; letter-spacing: .02em; text-transform: none; }
.page-title { font-family: var(--font-serif); font-weight: 400; font-size: 40px; line-height: 1.04; letter-spacing: -0.02em; color: var(--c-text-primary); margin: 0; }
.page-sub { margin-top: var(--space-12); font-size: 15px; line-height: 1.6; color: var(--c-text-secondary); max-width: 72ch; }
.sec { scroll-margin-top: 72px; margin-bottom: var(--space-32); }
.sec + .sec { padding-top: var(--space-24); border-top: 1px solid var(--c-border); }
.h2 { font-family: var(--font-serif); font-weight: 400; font-size: 27px; letter-spacing: -0.02em; margin: 0 0 var(--space-6); color: var(--c-text-primary); }
.h3 { font-size: 16px; font-weight: 700; color: #27272a; margin: var(--space-24) 0 var(--space-10); }
.lead { font-size: 15px; line-height: 1.65; color: var(--c-text-secondary); max-width: 74ch; }
.lead + .lead { margin-top: var(--space-12); }
.muted { color: var(--c-text-muted); }

/* ---- Hero band (section opener — matches dobu "MARKET IMAGE / STREETSCAPE") ---- */
.hero { border: 1px solid var(--c-border); border-top: 3px solid var(--c-brand-orange); border-radius: var(--radius-lg); overflow: hidden; background: var(--c-surface); margin: var(--space-20) 0 var(--space-24); box-shadow: var(--shadow-sm); }
.hero__img { position: relative; height: 260px; display: block; }
.hero__img svg { width: 100%; height: 100%; display: block; }
.hero__cap { position: absolute; left: 14px; bottom: 12px; display: inline-flex; align-items: center; gap: 8px; }
.hero__plate { position: absolute; right: 14px; bottom: 12px; font-family: var(--font-serif); font-size: 13px; letter-spacing: .14em; color: rgba(255,255,255,.92); text-transform: uppercase; }
.hero__body { padding: var(--space-16) var(--space-20) var(--space-20); }
.hero__tagrow { display: flex; align-items: center; gap: var(--space-10); margin-bottom: var(--space-10); }
.hero__tag { font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--c-text-tertiary); }
.hero__statement { font-family: var(--font-serif); font-weight: 400; font-size: 23px; line-height: 1.28; letter-spacing: -0.01em; color: var(--c-text-primary); margin: 0; }
.hero__text { margin-top: var(--space-12); font-size: 14px; line-height: 1.6; color: var(--c-text-secondary); max-width: 76ch; }
.hero__source { margin-top: var(--space-12); font-size: 11.5px; color: var(--c-text-tertiary); }

/* ---- Metric strip (dobu: top accent bar + serif value) ---- */
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-12); margin: var(--space-24) 0; }
.metrics.cols-2 { grid-template-columns: repeat(2,1fr); }
.metric { position: relative; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: var(--space-16); overflow: hidden; }
.metric::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--c-brand-orange), #e8c9a0 70%, transparent); opacity: .55; }
.metric .k { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--c-text-muted); }
.metric .v { margin-top: var(--space-10); font-family: var(--font-serif); font-size: 27px; font-weight: 400; letter-spacing: -0.01em; color: var(--c-text-primary); font-variant-numeric: tabular-nums; line-height: 1.08; }
.metric .s { margin-top: var(--space-8); font-size: 12px; color: var(--c-text-tertiary); }
.metric .s b { color: var(--c-text-secondary); font-weight: 600; }

/* ---- Tier-hierarchy cards (dobu "Tier Hierarchy") ---- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-12); margin-top: var(--space-16); }
.tier-c { border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: var(--space-16); background: var(--c-surface); display: flex; flex-direction: column; gap: var(--space-6); }
.tier-c.is-subject { border-color: var(--c-brand-orange); box-shadow: var(--shadow-ring); }
.tier-c__k { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--c-text-tertiary); }
.tier-c__v { font-family: var(--font-serif); font-size: 24px; color: var(--c-text-primary); letter-spacing: -.01em; }
.tier-c__type { font-size: 12px; font-weight: 600; color: var(--c-brand-orange-strong); }
.tier-c__list { font-size: 12.5px; color: var(--c-text-secondary); line-height: 1.5; margin-top: 2px; }
.tier-c__why { font-size: 12.5px; color: var(--c-text-muted); line-height: 1.5; margin-top: auto; padding-top: var(--space-8); border-top: 1px solid var(--c-border-subtle); }

/* ---- Substitute / favors cards ---- */
.cardgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-12); margin-top: var(--space-16); }
.cardgrid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.minicard { border: 1px solid var(--c-border); border-radius: var(--radius-md); padding: var(--space-14) var(--space-16); background: var(--c-surface); }
.minicard__t { font-size: 14px; font-weight: 700; color: var(--c-text-primary); }
.minicard__m { font-size: 12px; color: var(--c-brand-orange-strong); font-weight: 600; margin-top: 2px; }
.minicard__d { font-size: 12.5px; color: var(--c-text-secondary); line-height: 1.5; margin-top: 6px; }
.minicard__k { font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-text-tertiary); }

/* ---- Cards ---- */
.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); }
.card--pad { padding: var(--space-20); }
.stack > * + * { margin-top: var(--space-16); }

/* ---- Callout / recommendation ---- */
.callout { display: flex; gap: var(--space-12); padding: var(--space-16) var(--space-20); border: 1px solid var(--c-border); border-left: 3px solid var(--c-brand-orange); border-radius: var(--radius-md); background: var(--c-surface-warm); }
.callout .ico { font-size: 18px; line-height: 1.2; }
.callout .t { font-weight: 700; color: var(--c-text-primary); margin-bottom: 3px; }
.callout .d { font-size: 13.5px; color: var(--c-text-secondary); line-height: 1.55; }

/* ---- Competitive board ---- */
.board { margin-top: var(--space-24); }
.board__head { display: flex; align-items: baseline; gap: var(--space-10); margin-bottom: var(--space-4); }
.board__title { font-size: 16px; font-weight: 700; color: var(--c-text-primary); }
.board__count { font-size: 11px; font-weight: 700; letter-spacing: .03em; color: var(--c-text-tertiary); background: var(--c-surface-active); border: 1px solid var(--c-border); border-radius: var(--radius-pill); padding: 2px 9px; }

/* ---- Tables ---- */
.tbl-wrap { border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow-x: auto; margin-top: var(--space-12); }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 10.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--c-text-tertiary); padding: var(--space-12); background: var(--c-surface-raised); border-bottom: 1px solid var(--c-border); white-space: nowrap; }
.tbl td { padding: var(--space-12); border-bottom: 1px solid var(--c-border-subtle); font-size: 13px; color: var(--c-text-secondary); vertical-align: top; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: var(--c-surface-warm); }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--c-text-primary); white-space: nowrap; }
.tbl .name { color: var(--c-text-primary); font-weight: 600; }
.tbl .strong { color: var(--c-text-primary); font-weight: 600; }

/* ---- Risk badges ---- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--radius-pill); font-size: 11px; font-weight: 700; letter-spacing: .02em; border: 1px solid transparent; }
.badge--high { color: var(--c-risk-high); background: var(--c-risk-high-bg); border-color: var(--c-risk-high-border); }
.badge--med { color: var(--c-risk-med); background: var(--c-risk-med-bg); border-color: var(--c-risk-med-border); }
.badge--low { color: var(--c-risk-low); background: var(--c-risk-low-bg); border-color: var(--c-risk-low-border); }
.badge--tbd { color: var(--c-text-muted); background: var(--c-risk-tbd-bg); border-color: var(--c-risk-tbd-border); }
.badge--crit { color: #fff; background: var(--c-risk-high); border-color: var(--c-risk-high); }

.sec-risk { display: flex; align-items: center; gap: var(--space-10); margin-top: var(--space-8); }
.sec-risk .lab { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-text-tertiary); }

/* ---- Takeaways ---- */
.takeaways { display: flex; flex-direction: column; gap: var(--space-10); margin-top: var(--space-16); }
.take { display: flex; gap: var(--space-12); padding: var(--space-14) var(--space-16); border: 1px solid var(--c-border); border-radius: var(--radius-md); background: var(--c-surface); }
.take__sev { flex: none; padding-top: 1px; }
.take__body { flex: 1; min-width: 0; }
.take__t { font-weight: 700; color: var(--c-text-primary); font-size: 13.5px; }
.take__d { font-size: 13px; color: var(--c-text-secondary); margin-top: 3px; line-height: 1.5; }
.take--high { border-left: 3px solid var(--c-risk-high); }
.take--med { border-left: 3px solid var(--c-risk-med-dot); }
.take--low { border-left: 3px solid var(--c-risk-low); }

/* ---- Chips / pills ---- */
.chips { display: flex; flex-wrap: wrap; gap: var(--space-6); margin-top: var(--space-16); }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px; border-radius: var(--radius-pill); font-size: 11.5px; font-weight: 600; border: 1px solid var(--c-border); background: var(--c-surface-raised); color: var(--c-text-secondary); }

/* ---- Product read list ---- */
.rank { counter-reset: r; margin-top: var(--space-16); display: flex; flex-direction: column; gap: var(--space-8); }
.rank__item { display: flex; gap: var(--space-12); align-items: baseline; padding: var(--space-10) var(--space-14); border: 1px solid var(--c-border-subtle); border-radius: var(--radius-md); }
.rank__n { counter-increment: r; font-family: var(--font-serif); font-size: 18px; color: var(--c-brand-orange); width: 24px; flex: none; }
.rank__n::before { content: counter(r); }
.rank__t { font-weight: 700; color: var(--c-text-primary); }
.rank__d { font-size: 12.5px; color: var(--c-text-muted); }

/* ---- Sources ---- */
.sources { margin-top: var(--space-16); font-size: 12px; color: var(--c-text-muted); columns: 2; column-gap: var(--space-24); }
.sources li { margin-bottom: 6px; break-inside: avoid; }
.sources a { color: var(--c-brand-orange-strong); }
.sources a:hover { text-decoration: underline; }

.note-banner { display: flex; gap: var(--space-10); align-items: flex-start; padding: var(--space-12) var(--space-16); border: 1px solid var(--c-border); border-radius: var(--radius-md); background: var(--c-surface-warm); font-size: 12.5px; color: var(--c-text-secondary); margin-top: var(--space-16); }

/* ---- Auth gate (shared DoBu SSO via paula-backend) ---- */
.auth-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--space-24); background:
  radial-gradient(circle at 50% 0%, rgba(242,63,9,0.05), transparent 60%), var(--c-bg-app); }
.auth-screen__loading { font-size: 14px; color: var(--c-text-muted); }
.auth-card { width: 100%; max-width: 380px; background: var(--c-surface); border: 1px solid var(--c-border); border-top: 3px solid var(--c-brand-orange); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); padding: var(--space-32) var(--space-24) var(--space-24); }
.auth-card__mark { width: 40px; height: 40px; border-radius: 10px; background: var(--c-surface-deep); color: #fff; font-weight: 700; font-size: 20px; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-16); }
.auth-card__kicker { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--c-text-tertiary); margin: 0 0 var(--space-6); }
.auth-card__title { font-family: var(--font-serif); font-weight: 400; font-size: 30px; letter-spacing: -0.02em; margin: 0 0 var(--space-20); color: var(--c-text-primary); }
.auth-form { display: flex; flex-direction: column; gap: var(--space-14); }
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-field__label { font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--c-text-muted); }
.auth-field__input { font-family: inherit; font-size: 14px; color: var(--c-text-primary); background: var(--c-surface); border: 1px solid var(--c-border-strong); border-radius: var(--radius-sm); padding: 10px 12px; transition: border-color var(--dur-base), box-shadow var(--dur-base); }
.auth-field__input:focus { outline: none; border-color: var(--c-brand-orange); box-shadow: var(--shadow-ring); }
.auth-error { font-size: 12.5px; color: var(--c-risk-high); background: var(--c-risk-high-bg); border: 1px solid var(--c-risk-high-border); border-radius: var(--radius-sm); padding: 8px 10px; }
.auth-submit { font-family: inherit; font-size: 14px; font-weight: 600; color: var(--c-text-inverse); background: var(--c-surface-deep); border: none; border-radius: var(--radius-sm); padding: 11px 14px; cursor: pointer; transition: background var(--dur-base); margin-top: var(--space-4); }
.auth-submit:hover { background: #000; }
.auth-submit:disabled { opacity: .6; cursor: default; }
.auth-card__hint { font-size: 11.5px; color: var(--c-text-tertiary); line-height: 1.5; margin: var(--space-16) 0 0; }

@media (max-width: 920px) {
  .side { display: none; }
  .metrics, .metrics.cols-2 { grid-template-columns: repeat(2,1fr); }
  .tiers, .cardgrid, .cardgrid.cols-4 { grid-template-columns: 1fr 1fr; }
  .hero__img { height: 200px; }
  .sources { columns: 1; }
}