:root {
  /* Palette — "journal desk": cool paper, ink, and a single decisive teal */
  --paper: #f6f7f9;
  --card: #ffffff;
  --ink: #16202e;        /* near-black slate */
  --ink-soft: #4a5768;
  --line: #e3e7ee;
  --accent: #0f766e;     /* deep teal — the decision colour */
  --accent-soft: #d5eae7;
  --include: #0f766e;
  --exclude: #b4413c;    /* muted brick */
  --maybe: #b98a1e;      /* ochre for "medium" */
  --shadow: 0 1px 2px rgba(16,32,46,.06), 0 8px 24px rgba(16,32,46,.06);

  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: no-preference) {
  * { transition: background .15s ease, border-color .15s ease, transform .15s ease; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.brand {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 600; letter-spacing: -.01em;
  display: flex; align-items: baseline; gap: 10px;
}
.brand .mark {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--accent); border: 1px solid var(--accent-soft);
  padding: 2px 8px; border-radius: 4px; text-transform: uppercase;
}
.topbar nav { display: flex; gap: 20px; align-items: center; }
.topbar nav a { color: var(--ink-soft); font-size: 14px; font-weight: 500; }
.topbar nav a.active { color: var(--ink); }

.container { max-width: 1080px; margin: 0 auto; padding: 40px 32px; width: 100%; }

/* ---- Type ---- */
h1 { font-family: var(--font-display); font-size: 34px; font-weight: 600;
     letter-spacing: -.02em; line-height: 1.1; }
h2 { font-family: var(--font-display); font-size: 22px; font-weight: 600;
     margin-bottom: 4px; }
.eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
     text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.muted { color: var(--ink-soft); }
.small { font-size: 13px; }

/* ---- Cards ---- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 24px; box-shadow: var(--shadow);
}
.card + .card { margin-top: 20px; }
.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 720px){ .grid.cols-2,.grid.cols-3{grid-template-columns:1fr;} }

/* ---- Forms ---- */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px;
        color: var(--ink-soft); }
input, textarea, select {
  width: 100%; font-family: var(--font-body); font-size: 14px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); color: var(--ink);
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent-soft); border-color: var(--accent);
  background: #fff;
}
textarea { resize: vertical; min-height: 72px; }
.field + .field { margin-top: 16px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  padding: 10px 18px; border-radius: 8px; border: 1px solid transparent;
  background: var(--accent); color: #fff;
}
.btn:hover { filter: brightness(1.06); }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.btn.secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.ghost { background: transparent; color: var(--accent); padding: 6px 10px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---- Decision chips ---- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; border: 1px solid;
}
.chip.include { color: var(--include); border-color: var(--accent-soft);
                background: var(--accent-soft); }
.chip.exclude { color: var(--exclude); border-color: #f0d5d3; background: #faeceb; }
.chip.maybe   { color: var(--maybe); border-color: #efe1bf; background: #fbf4e3; }
.chip.none    { color: var(--ink-soft); border-color: var(--line); background: var(--paper); }

/* ---- Table ---- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; text-transform: uppercase;
     letter-spacing: .06em; color: var(--ink-soft); font-weight: 600;
     padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: none; }
.agree-yes { color: var(--include); font-weight: 700; }
.agree-no  { color: var(--exclude); font-weight: 700; }

/* ---- Metric tiles ---- */
.metric {
  border: 1px solid var(--line); border-radius: 10px; padding: 18px;
  background: var(--card);
}
.metric .num {
  font-family: var(--font-display); font-size: 30px; font-weight: 600;
  line-height: 1; letter-spacing: -.02em;
}
.metric .lbl { font-size: 12px; color: var(--ink-soft); margin-top: 6px;
  font-family: var(--font-mono); letter-spacing: .04em; text-transform: uppercase; }
.metric.kappa .num { color: var(--accent); }

/* ---- Auth ---- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 400px; }

.center-note { text-align: center; padding: 48px 0; color: var(--ink-soft); }
.row-between { display: flex; align-items: center; justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 8px; }
.inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.tag { font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft);
       border: 1px solid var(--line); border-radius: 4px; padding: 2px 6px; }

/* ---- Toast ---- */
#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 8px;
  font-size: 14px; box-shadow: var(--shadow); z-index: 1000; display: none;
  max-width: 90%;
}
.tag.admin { color: var(--accent); border-color: var(--accent-soft); font-weight: 600; }

/* ---- Org branding (login) ---- */
.org-block {
  margin-top: 18px; text-align: center; padding: 18px 16px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--card);
}
.org-title {
  font-family: var(--font-display); font-size: 15px; font-weight: 600;
  color: var(--ink); line-height: 1.35;
}
.org-sub { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.org-div { height: 1px; background: var(--line); margin: 12px auto; width: 60%; }
.org-meta {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-soft);
  letter-spacing: .02em; margin-top: 3px;
}

/* ---- App footer (inside app) ---- */
.app-footer {
  text-align: center; padding: 22px 16px; margin-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 11px; color: var(--ink-soft);
  font-family: var(--font-mono); letter-spacing: .02em;
}

/* ---- Logo ---- */
.org-logo {
  display: block; margin: 0 auto 14px; height: 90px; width: auto;
}
.brand-logo {
  height: 28px; width: auto; margin-right: 10px; vertical-align: middle;
}