/* Radar — a radar scope for one reader's news.
   Layout: a "desk" — the scope and its controls on the left (sticky), the
   ranked contacts on the right; reading pages put a data readout beside a
   65ch column. Light = survey paper, dark = night watch. */
:root {
  --bg: #eef1ef;          /* survey paper, faint green-grey */
  --surface: #f9faf8;
  --ink: #141b22;
  --muted: #5a6671;
  --line: #d3d9d7;
  --accent: #0c7a69;      /* scope teal */
  --accent-soft: #d9ece7;
  --scope-bg: #e3e9e6;
  --scope-line: #b9c4c1;
  --s0: #c4cbcf; --s1: #9aa6ae; --s2: #c49a1c; --s3: #db7d16; --s4: #d9562a; --s5: #cc2f2a;
  --warn: #9a5b00;

  --display: "IBM Plex Sans Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Charter, "Iowan Old Style", Georgia, serif;
  --data: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --step-0: 1rem; --step-1: 1.2rem; --step-2: 1.5rem; --step-3: 2rem; --step-4: 2.75rem;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1317; --surface: #121a20; --ink: #e4e8e3; --muted: #8b979e; --line: #24313a;
    --accent: #59c7b2; --accent-soft: #15302b; --scope-bg: #0a1014; --scope-line: #213139;
    --s0: #2b3740; --s1: #4d5b65; --s2: #d8b24a; --s3: #f09a3e; --s4: #f2774a; --s5: #ff5a4c;
    --warn: #f0b860;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1317; --surface: #121a20; --ink: #e4e8e3; --muted: #8b979e; --line: #24313a;
  --accent: #59c7b2; --accent-soft: #15302b; --scope-bg: #0a1014; --scope-line: #213139;
  --s0: #2b3740; --s1: #4d5b65; --s2: #d8b24a; --s3: #f09a3e; --s4: #f2774a; --s5: #ff5a4c;
  --warn: #f0b860;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 var(--body); }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
main { max-width: 1240px; margin: 0 auto; padding: 28px 24px 64px; }
main.bare { max-width: 520px; }
h1, h2, h3 { text-wrap: balance; }

/* ── header ───────────────────────────────────────────────── */
.top { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
.top-inner { max-width: 1240px; margin: 0 auto; padding: 0 24px; min-height: 58px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 21px/1 var(--display); letter-spacing: 0.01em; text-decoration: none; }
.brand-mark { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 1.6; }
.brand-mark .blip { fill: var(--s5); stroke: none; }
.nav { display: flex; gap: 4px; font: 500 15px var(--display); overflow-x: auto; scrollbar-width: none; }
.nav a { padding: 6px 12px; border-radius: 999px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); background: var(--accent-soft); }
.user { margin-left: auto; display: flex; align-items: center; gap: 14px; font: 500 14px var(--display); }
.user a { color: var(--muted); text-decoration: none; }
.user a:hover, .user a[aria-current="page"] { color: var(--ink); }
.user form { margin: 0; }
.user button { font: inherit; color: var(--muted); background: none; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; cursor: pointer; }
.user button:hover { color: var(--ink); border-color: var(--muted); }

/* ── page heading ─────────────────────────────────────────── */
.intro { margin-bottom: 20px; }
.kicker { margin: 0; font: 600 13px var(--data); color: var(--accent); letter-spacing: 0.04em; }
.kicker a { text-decoration: none; }
.kicker a:hover { text-decoration: underline; }
h1 { font: 700 var(--step-4)/1.02 var(--display); letter-spacing: -0.01em; margin: 6px 0 8px; }
.meta { margin: 0; color: var(--muted); font: 400 15px/1.4 var(--display); }
.meta strong { color: var(--s4); font-weight: 600; }
.warn { margin: 0 0 16px; font: 14px var(--data); color: var(--warn); }

/* ── desk: scope left, feed right ─────────────────────────── */
.desk { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); gap: 48px; align-items: start; }
.desk-scope { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 78px); min-width: 0; }
.desk-feed { min-width: 0; display: flex; flex-direction: column; gap: 32px; }

/* the scope */
.scope { margin: 0 0 20px; }
.scope-face { position: relative; max-width: 100%; aspect-ratio: 1; }
.scope svg { display: block; width: 100%; height: auto; overflow: visible; }
.scope .disc { fill: var(--scope-bg); }
.scope .ring, .scope .rim { fill: none; stroke: var(--scope-line); stroke-width: 1; }
.scope .rim { stroke-width: 1.5; }
.scope .spoke { stroke: var(--scope-line); stroke-width: 1; stroke-dasharray: 2 4; }
.scope .ring-label { font: 500 10px var(--data); fill: var(--muted); }
.scope .sector-label { font: 600 12.5px var(--display); fill: var(--muted); letter-spacing: 0.02em; }
.scope a:hover .sector-label { fill: var(--accent); }
.scope .centre { fill: var(--accent); }
.scope .blip { stroke: var(--scope-bg); stroke-width: 1.5; }
.scope .b0 { fill: var(--s0); } .scope .b1 { fill: var(--s1); } .scope .b2 { fill: var(--s2); }
.scope .b3 { fill: var(--s3); } .scope .b4 { fill: var(--s4); } .scope .b5 { fill: var(--s5); }
.scope .blip-link:hover .blip, .scope .blip-link:focus-visible .blip { stroke: var(--ink); stroke-width: 2; }
.scope .blip-link.dim { opacity: 0.15; }
.scope .pulse { fill: none; stroke: var(--s5); stroke-width: 1.5; transform-box: fill-box; transform-origin: center; animation: pulse 2.4s ease-out infinite; }
.sweep { position: absolute; border-radius: 50%; pointer-events: none;
  background: conic-gradient(from 0deg, color-mix(in srgb, var(--accent) 34%, transparent), transparent 70deg, transparent);
  animation: sweep 7s linear infinite; opacity: 0.55; }
@keyframes sweep { to { transform: rotate(1turn); } }
@keyframes pulse { from { transform: scale(1); opacity: 0.9; } to { transform: scale(3.2); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .sweep, .scope .pulse { animation: none; } .sweep { opacity: 0.25; } }
.scope figcaption { margin-top: 10px; font: 13px/1.45 var(--display); color: var(--muted); }

/* filters */
.filters { display: flex; flex-direction: column; gap: 10px; }
.chip-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.chip-label { width: 100%; font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.chip { font: 500 14px var(--display); padding: 4px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.chip span { font: 500 12px var(--data); color: var(--muted); margin-left: 3px; }
.chip:hover { border-color: var(--muted); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.chip[aria-pressed="true"] span { color: inherit; opacity: 0.7; }

/* ── signal meter ─────────────────────────────────────────── */
.signal { display: inline-flex; align-items: flex-end; gap: 2px; height: 16px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.signal i { display: block; width: 4px; border-radius: 1px; background: var(--s0); }
.signal i:nth-child(1) { height: 5px; } .signal i:nth-child(2) { height: 7.5px; } .signal i:nth-child(3) { height: 10px; } .signal i:nth-child(4) { height: 12.5px; } .signal i:nth-child(5) { height: 15px; }
.signal b { margin-left: 7px; font: 600 13px/16px var(--data); }
.signal em { margin-left: 6px; font: 600 12px/16px var(--display); font-style: normal; letter-spacing: 0.04em; text-transform: uppercase; }
.s1 i:nth-child(-n+1), .s2 i:nth-child(-n+2), .s3 i:nth-child(-n+3), .s4 i:nth-child(-n+4), .s5 i { background: currentColor; }
.s1 { color: var(--s1); } .s2 { color: var(--s2); } .s3 { color: var(--s3); } .s4 { color: var(--s4); } .s5 { color: var(--s5); }

/* ── lead + contacts ──────────────────────────────────────── */
.lead { display: flex; flex-direction: column; gap: 10px; padding: 24px 26px 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; }
.lead:hover { border-color: var(--muted); }
.lead-label { font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.lead-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.lead-head { font: 700 var(--step-3)/1.12 var(--display); letter-spacing: -0.005em; text-wrap: balance; }
.lead:hover .lead-head { color: var(--accent); }
.lead-sum { font: 400 18px/1.55 var(--body); max-width: 62ch; }
.why { font: 500 14px/1.4 var(--display); color: var(--s4); }

.group-head { display: flex; align-items: baseline; gap: 10px; margin: 0 0 4px; padding-bottom: 8px; border-bottom: 2px solid var(--ink); font: 700 var(--step-1)/1.2 var(--display); }
.group-head a { text-decoration: none; }
.group-head a:hover { color: var(--accent); }
.count { font: 500 13px var(--data); color: var(--muted); }
.contacts { display: flex; flex-direction: column; }
.contact { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 14px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.contact .signal { margin-top: 3px; }
.c-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.c-head { font: 600 var(--step-1)/1.3 var(--display); }
.contact:hover .c-head { color: var(--accent); }
.c-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font: 13px/1.4 var(--data); color: var(--muted); font-variant-numeric: tabular-nums; }
.c-topic { color: var(--accent); }

.also ul { margin: 0; padding: 0; list-style: none; }
.also li { padding: 10px 0; border-bottom: 1px solid var(--line); font: 16px/1.5 var(--body); }
.also a { font: 500 12px var(--data); color: var(--accent); margin-left: 4px; }

/* ── story page ───────────────────────────────────────────── */
.story { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 56px; align-items: start; }
.readout { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 78px); padding-top: 10px; }
.readout dl { margin: 0; display: flex; flex-direction: column; gap: 16px; }
.readout dt { font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
.readout dd { margin: 0; font: 500 15px/1.4 var(--display); }
.readout dd a { color: var(--ink); text-decoration-color: var(--line); text-underline-offset: 3px; }
.readout dd a:hover { color: var(--accent); }
.readout .rel { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.readout .rel p { margin: 8px 0 0; font: 14px/1.45 var(--display); color: var(--s4); }
.muted { color: var(--muted); }
.reading { min-width: 0; max-width: 68ch; }
.story-meta { display: none; margin: 0 0 12px; align-items: center; flex-wrap: wrap; gap: 8px 16px; }
.headline { font: 700 clamp(2rem, 4.2vw, 3rem)/1.06 var(--display); margin: 0 0 18px; }
.standfirst { font: 500 21px/1.5 var(--body); margin: 0; }
.details p { font: 18px/1.7 var(--body); margin: 18px 0 0; }
.sources { margin-top: 32px; padding-top: 14px; border-top: 1px solid var(--line); }
.sources h2 { margin: 0 0 6px; font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.sources ol { margin: 0; padding-left: 20px; font: 14px/1.9 var(--data); }
.sources a { color: var(--accent); overflow-wrap: anywhere; }
.after { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }

/* ── lists, index, calendar ───────────────────────────────── */
.column { max-width: 820px; display: flex; flex-direction: column; gap: 32px; }
.index { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); column-gap: 32px; }
.index a { display: flex; align-items: baseline; gap: 10px; padding: 14px 0; border-bottom: 1px solid var(--line); font: 600 var(--step-1) var(--display); text-decoration: none; }
.index a:hover { color: var(--accent); }
.index .code { font: 500 12px var(--data); color: var(--muted); min-width: 2.6em; }
.index .count { margin-left: auto; }

.cal { max-width: 820px; margin-bottom: 40px; }
.cal-nav { display: flex; justify-content: space-between; margin-bottom: 10px; font: 600 15px var(--display); }
.cal-nav a { color: var(--accent); text-decoration: none; }
.cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.dow { font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 4px 6px; }
.day { min-height: 64px; padding: 6px 8px; border-radius: 6px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; font: 500 14px var(--data); color: var(--muted); text-decoration: none; font-variant-numeric: tabular-nums; }
.day.pad { background: transparent; border-color: transparent; }
.day.has { color: var(--ink); background: color-mix(in srgb, var(--accent) calc(var(--fill) * 28%), var(--surface)); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.day.has:hover { border-color: var(--accent); }
.day.today .num { color: var(--accent); font-weight: 700; }
.day .badge { align-self: flex-end; font: 600 12px var(--data); color: var(--accent); }

.pager { display: flex; justify-content: space-between; font: 600 15px var(--display); }
.pager a { color: var(--accent); text-decoration: none; }
.pager a:hover { text-decoration: underline; }
.empty { padding: 64px 0; }
.empty p, .empty-inline { color: var(--muted); font-family: var(--display); }

/* ── forms: sign in, invitation, account, admin ───────────── */
.auth { padding: 24px 0; }
.auth .kicker { margin-bottom: 4px; }
.auth h1 { font-size: var(--step-3); }
.panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
.panels .auth { padding-top: 0; }
.auth-intro { color: var(--muted); font: 15px/1.5 var(--display); margin: 4px 0 18px; }
.auth-intro a { color: var(--accent); }
.form { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.form.row { flex-direction: row; align-items: flex-end; flex-wrap: wrap; }
.form.row .field { flex: 1 1 220px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.field small { color: var(--muted); font: 13px var(--display); }
.field input, .field select, .copy { font: 16px var(--display); padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); width: 100%; }
.field input:focus, .field select:focus, .copy:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.copy { font: 13px var(--data); margin-top: 8px; }
.copy.small { font-size: 12px; padding: 6px 8px; margin: 0; min-width: 0; }
.btn { font: 600 15px var(--display); padding: 10px 20px; background: var(--ink); color: var(--bg); border: 1px solid var(--ink); border-radius: 999px; cursor: pointer; align-self: flex-start; }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); background: transparent; }
.btn.small { padding: 4px 12px; font-size: 13px; }
.form-error { margin: 12px 0; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--s5); color: var(--s5); font: 14px var(--display); }
.form-notice { margin: 12px 0; padding: 12px 14px; border-radius: 8px; background: var(--accent-soft); font: 14px/1.5 var(--display); }
.group { min-width: 0; }
.group > h2:not(.group-head) { font: 700 var(--step-1) var(--display); margin: 28px 0 10px; }
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font: 15px var(--display); }
th { text-align: left; font: 600 11px var(--data); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 8px 12px 8px 0; border-bottom: 2px solid var(--ink); }
td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
td small { color: var(--muted); }
td form { margin: 0; }
tr.off td { color: var(--muted); }

footer { max-width: 1240px; margin: 0 auto; padding: 20px 24px 40px; border-top: 1px solid var(--line); color: var(--muted); font: 13px/1.5 var(--display); }
footer p { margin: 0 0 2px; }
footer a { color: var(--accent); }

/* ── responsive ───────────────────────────────────────────── */
@media (max-width: 980px) {
  .desk { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .desk-scope { position: static; }
  .scope { max-width: 460px; margin-inline: auto; }
  .story { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .readout { position: static; order: 2; padding-top: 16px; border-top: 1px solid var(--line); }
  .story-meta { display: flex; }
  .readout dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 24px; }
  .readout .rel { grid-column: 1 / -1; }
  .after, .panels { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  main { padding: 20px 16px 48px; }
  .top-inner { padding: 8px 16px; gap: 6px 16px; }
  .nav { order: 3; width: 100%; }
  h1 { font-size: 2.1rem; }
  .lead { padding: 18px; }
  .lead-head { font-size: 1.6rem; }
  .headline { font-size: 1.75rem; }
  .standfirst { font-size: 19px; }
  .contact { grid-template-columns: 1fr; gap: 6px; }
  .day { min-height: 46px; padding: 4px 5px; font-size: 12px; }
  footer { padding-inline: 16px; }
}