/* ─────────────────────────────────────────────
   Sony RX10 V — Photo Recipes
   Designed to be read on a phone, next to a camera,
   by someone who does not want to read a manual.
   ───────────────────────────────────────────── */

:root {
  --paper:      #f7f4ef;
  --surface:    #ffffff;
  --surface-2:  #f1ece4;
  --ink:        #1d1a16;
  --ink-soft:   #4b443c;
  --muted:      #716859;
  --rule:       #e2dace;
  --rule-soft:  #ece6dc;
  --accent:     #9c5f1b;
  --accent-ink: #7d4a12;
  --flag:       #8a4b12;
  --flag-bg:    #fbf0e2;

  --measure: 34rem;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(40,30,15,.05), 0 6px 18px -10px rgba(40,30,15,.14);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #16140f;
    --surface:    #1e1b16;
    --surface-2:  #262118;
    --ink:        #f2ece1;
    --ink-soft:   #d6cdbe;
    --muted:      #a29685;
    --rule:       #342d22;
    --rule-soft:  #2a241b;
    --accent:     #e0a455;
    --accent-ink: #edb96f;
    --flag:       #e8a95c;
    --flag-bg:    #2e2416;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px -12px rgba(0,0,0,.6);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.62 var(--sans);
  letter-spacing: .003em;
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 60rem) { body { font-size: 18px; } }

.wrap {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding-inline: 20px;
}
@media (min-width: 48rem) { .wrap { padding-inline: 32px; } }

/* ── Masthead ───────────────────────────────── */

.masthead {
  padding-block: 3.4rem 2.6rem;
  background: linear-gradient(180deg, var(--surface-2), var(--paper));
  border-bottom: 1px solid var(--rule);
}
.kicker {
  margin: 0 0 .9rem;
  font: 600 .72rem/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.masthead h1 {
  margin: 0;
  font: 400 clamp(2.4rem, 9vw, 3.9rem)/1.02 var(--serif);
  letter-spacing: -.02em;
}
.standfirst {
  margin: 1.1rem 0 0;
  max-width: var(--measure);
  font-size: 1.14rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.standfirst-sub {
  margin: .5rem 0 0;
  max-width: var(--measure);
  font-size: .95rem;
  color: var(--muted);
}

/* ── Sticky quick nav ───────────────────────── */

.quicknav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.quicknav .wrap { padding-inline: 0; }
.quicknav ul {
  display: flex;
  gap: .4rem;
  margin: 0;
  padding: .6rem 20px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.quicknav ul::-webkit-scrollbar { display: none; }
@media (min-width: 48rem) {
  .quicknav ul { padding-inline: 32px; flex-wrap: wrap; overflow: visible; }
}
.quicknav a {
  display: block;
  white-space: nowrap;
  padding: .36rem .7rem;
  border-radius: 100px;
  font-size: .86rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid transparent;
}
.quicknav a:hover,
.quicknav a:focus-visible {
  background: var(--surface);
  border-color: var(--rule);
  color: var(--accent-ink);
}

/* ── Blocks ─────────────────────────────────── */

main { padding-bottom: 1rem; }

.block {
  padding-block: 3.2rem;
  border-bottom: 1px solid var(--rule-soft);
}
.block:last-of-type { border-bottom: 0; }

.block > h2 {
  margin: 0 0 .7rem;
  font: 400 clamp(1.6rem, 4.6vw, 2.3rem)/1.15 var(--serif);
  letter-spacing: -.012em;
  scroll-margin-top: 4.5rem;
}
.block h3 {
  margin: 2.2rem 0 .5rem;
  font: 600 1.06rem/1.35 var(--sans);
  letter-spacing: .004em;
}
.lede {
  margin: 0 0 1.8rem;
  max-width: var(--measure);
  color: var(--ink-soft);
}
.block p { max-width: var(--measure); }

/* ── Setup list ─────────────────────────────── */

ol.setup {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: s;
  display: grid;
  gap: .1rem;
}
ol.setup li {
  counter-increment: s;
  position: relative;
  padding: .95rem 0 .95rem 3rem;
  max-width: calc(var(--measure) + 3rem);
  border-top: 1px solid var(--rule-soft);
  color: var(--ink-soft);
}
ol.setup li:first-child { border-top: 0; }
ol.setup li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.05rem;
  font: 500 .78rem/1 var(--mono);
  color: var(--accent);
  letter-spacing: .04em;
}
ol.setup strong { color: var(--ink); font-weight: 600; }

.val {
  font: 500 .92em/1 var(--mono);
  padding: .14em .42em;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  white-space: nowrap;
  color: var(--ink);
}

/* ── Notes ──────────────────────────────────── */

.note {
  margin: 2.2rem 0 0;
  max-width: calc(var(--measure) + 2rem);
  padding: 1.25rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.note h3 { margin: 0 0 .5rem; font-size: 1rem; }
.note p, .note li { color: var(--ink-soft); }
.note p:last-child { margin-bottom: 0; }
.note ul { margin: 0; padding-left: 1.1rem; display: grid; gap: .6rem; }
.note.habit { border-left-color: var(--flag); }

/* ── Recipe cards ───────────────────────────── */

.recipes {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 54rem) {
  .recipes { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.3rem; }
}

.recipe {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  scroll-margin-top: 4.5rem;
}
.recipe > header {
  padding: 1.3rem 1.4rem 1.1rem;
  border-bottom: 1px solid var(--rule-soft);
}
.recipe .num {
  margin: 0 0 .5rem;
  font: 500 .76rem/1 var(--mono);
  letter-spacing: .1em;
  color: var(--accent);
}
.recipe h3 {
  margin: 0;
  font: 400 1.42rem/1.2 var(--serif);
  letter-spacing: -.01em;
}
.recipe .sub {
  margin: .5rem 0 0;
  max-width: none;
  font-size: .94rem;
  line-height: 1.48;
  color: var(--muted);
}

/* dial strip */
dl.dials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}
@media (min-width: 30rem) {
  dl.dials { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
dl.dials > div {
  padding: .7rem .9rem .75rem;
  background: var(--surface-2);
}
dl.dials dt {
  font: 500 .67rem/1.2 var(--sans);
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
}
dl.dials dd {
  margin: .22rem 0 0;
  font: 500 .97rem/1.25 var(--mono);
  color: var(--ink);
  overflow-wrap: break-word;
}
dl.dials > div.flag {
  background: var(--flag-bg);
  box-shadow: inset 2px 0 0 var(--flag);
}
dl.dials > div.flag dd { color: var(--flag); }

.why {
  padding: 1.2rem 1.4rem 1.35rem;
}
.why p {
  margin: 0 0 .85rem;
  max-width: none;
  font-size: .97rem;
  line-height: 1.58;
  color: var(--ink-soft);
}
.why p:last-child { margin-bottom: 0; }
.why strong { color: var(--ink); font-weight: 600; }
.why .watch {
  padding-left: .85rem;
  border-left: 2px solid var(--rule);
}
.why .watch strong { color: var(--accent-ink); }

/* ── Tables ─────────────────────────────────── */

.tablewrap {
  overflow-x: auto;
  margin: 1rem 0 .6rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--surface);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}
th, td {
  padding: .72rem .9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule-soft);
}
thead th {
  font: 600 .7rem/1.3 var(--sans);
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-2);
  white-space: nowrap;
}
tbody th[scope="row"] {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
tbody tr:last-child th,
tbody tr:last-child td { border-bottom: 0; }
tbody td:first-child { font-family: var(--mono); font-size: .9rem; white-space: nowrap; }
tbody th[scope="row"] + td { font-family: var(--sans); }
td, tbody th { color: var(--ink-soft); }

.smallprint {
  margin: .5rem 0 0;
  font-size: .87rem;
  line-height: 1.52;
  color: var(--muted);
}

/* ── Fixes ──────────────────────────────────── */

dl.fixes {
  margin: 0;
  max-width: calc(var(--measure) + 4rem);
}
dl.fixes dt {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-soft);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
}
dl.fixes dt:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
dl.fixes dd {
  margin: .4rem 0 0;
  color: var(--ink-soft);
}
dl.fixes strong {
  font-family: var(--mono);
  font-size: .93em;
  font-weight: 500;
  color: var(--accent-ink);
}

/* ── Footer ─────────────────────────────────── */

.siteend {
  margin-top: 1rem;
  padding-block: 2.4rem 3.2rem;
  border-top: 1px solid var(--rule);
  background: var(--surface-2);
}
.siteend .wrap { padding-inline: 0; }
.siteend p {
  max-width: 48rem;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--muted);
}
.siteend strong { color: var(--ink-soft); }

/* ── Focus visibility ───────────────────────── */

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ── Print: he may well print this ──────────── */

@media print {
  :root { --paper: #fff; --surface: #fff; --surface-2: #f6f6f6; --ink: #000; --ink-soft: #222; --muted: #555; --rule: #bbb; --rule-soft: #ddd; --shadow: none; }
  body { font-size: 10.5pt; }
  .quicknav { display: none; }
  .masthead { padding-block: 0 1rem; background: none; }
  .block { padding-block: 1.2rem; page-break-inside: auto; }
  .recipe, .note, .tablewrap { page-break-inside: avoid; break-inside: avoid; box-shadow: none; }
  .recipes { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ── Deep-dive section: standalone dial strip ── */

dl.dials.wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1rem 0 .4rem;
  max-width: 54rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
@media (min-width: 34rem) { dl.dials.wide { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 52rem) { dl.dials.wide { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.deepdive > p { color: var(--ink-soft); }
.deepdive .tablewrap { max-width: 54rem; }
.deepdive table tbody th[scope="row"] {
  white-space: normal;
  font-family: var(--mono);
  font-size: .88rem;
  font-weight: 500;
  min-width: 11rem;
}
.deepdive table tbody td:first-of-type { font-family: var(--mono); font-size: .9rem; }

/* ── Inline links in prose ──────────────────── */

.why a, .block > p a, .note a, .fixes a, .hello a, figure.chart figcaption a {
  color: var(--accent-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
}
.why a:hover, .block > p a:hover, .note a:hover, .fixes a:hover, .hello a:hover {
  text-decoration-color: var(--accent);
}

/* ═════════════════════════════════════════════
   VISUALS — icons, diagrams, charts
   Chart colours validated with the dataviz
   validator against this page's own surfaces.
   ═════════════════════════════════════════════ */

:root {
  --series-1: #9c5f1b;   /* still subject  */
  --series-2: #1f6bbd;   /* moving subject */
  --iso-1: #d9a65c; --iso-2: #c28c3c; --iso-3: #a97327; --iso-4: #8a5518; --iso-5: #683c0d;
  --ok:  #0ca30c;        /* status: fixed, never themed */
  --bad: #d03b3b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --series-1: #bd8534;
    --series-2: #4a93dd;
    --iso-1: #f0cf9a; --iso-2: #ddae63; --iso-3: #c08a38; --iso-4: #9d6a26; --iso-5: #7c511a;
  }
}

/* ── Icons ──────────────────────────────────── */

.ricon, .picker svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Note from Mark ─────────────────────────── */

.hello {
  margin: 1.8rem 0 0;
  max-width: calc(var(--measure) + 1rem);
  padding: 1.15rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hello p { margin: 0 0 .7rem; font-size: .98rem; line-height: 1.55; color: var(--ink-soft); max-width: none; }
.hello p:last-child { margin-bottom: 0; }
.hello strong { color: var(--ink); }
.hello .sig { font-family: var(--serif); font-size: 1.05rem; color: var(--muted); }

/* ── Picker grid ────────────────────────────── */

.picker-block { padding-top: 2.6rem; }
ul.picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 34rem) { ul.picker { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 54rem) { ul.picker { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

ul.picker a {
  display: flex;
  align-items: center;
  gap: .6rem;
  min-height: 56px;
  height: 100%;
  padding: .7rem .8rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .92rem;
  line-height: 1.3;
  transition: border-color .12s, color .12s;
}
ul.picker a:hover, ul.picker a:focus-visible {
  border-color: var(--accent);
  color: var(--accent-ink);
}
ul.picker svg { width: 24px; height: 24px; flex: none; color: var(--accent); }

/* ── Recipe card icons ──────────────────────── */

.rhead { display: flex; align-items: center; gap: .6rem; margin-bottom: .5rem; }
.rhead .num { margin: 0; }
.ricon { width: 22px; height: 22px; flex: none; color: var(--accent); }

/* ── Control diagrams ───────────────────────── */

.diagrams {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
  margin: 1.4rem 0 1.8rem;
  max-width: 54rem;
}
@media (min-width: 52rem) { .diagrams { grid-template-columns: 1fr 1fr; align-items: start; } }

figure.diagram {
  margin: 0;
  padding: 1rem 1.1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
figure.diagram figcaption {
  margin-bottom: .7rem;
  font: 600 .7rem/1.3 var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
figure.diagram svg { display: block; width: 100%; height: auto; }

.d-body   { fill: var(--surface-2); stroke: var(--muted); stroke-width: 1.6; }
.d-part   { fill: var(--surface);   stroke: var(--muted); stroke-width: 1.3; }
.d-screen { fill: var(--rule-soft); stroke: var(--muted); stroke-width: 1.2; }
.d-band   { fill: var(--rule-soft); stroke: var(--muted); stroke-width: 1.1; }
.d-dot    { fill: var(--muted); }
.d-lead   { stroke: var(--muted); stroke-width: 1; fill: none; }
.cal circle { fill: var(--accent); }
.cal text {
  fill: var(--surface);
  font: 600 10px var(--sans);
  text-anchor: middle;
  dominant-baseline: central;
}

/* ── Numbered key list ──────────────────────── */

ol.keylist {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: k;
  max-width: 54rem;
  display: grid;
  gap: .1rem;
}
@media (min-width: 52rem) {
  ol.keylist { grid-template-columns: 1fr 1fr; gap: .1rem 2rem; }
}
ol.keylist li {
  counter-increment: k;
  position: relative;
  padding: .7rem 0 .7rem 2.4rem;
  border-top: 1px solid var(--rule-soft);
  font-size: .95rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
ol.keylist li::before {
  content: counter(k);
  position: absolute;
  left: 0;
  top: .72rem;
  width: 1.55rem;
  height: 1.55rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--surface);
  font: 600 .7rem/1 var(--sans);
}
ol.keylist span { color: var(--ink); font-weight: 600; }

/* ── Charts ─────────────────────────────────── */

figure.chart {
  margin: 1.1rem 0 1rem;
  max-width: 54rem;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
figure.chart figcaption {
  margin-bottom: .9rem;
  font-size: .92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.chart-scroll { overflow-x: auto; scrollbar-width: thin; }
.chart-scroll svg { display: block; width: 100%; min-width: 480px; height: auto; }

.ax line { stroke: var(--rule); stroke-width: 1; }
.axlab text { fill: var(--muted); font: 400 11px var(--sans); font-variant-numeric: tabular-nums; }
.axlab text.axtitle { font-size: 10.5px; letter-spacing: .02em; }
.note-lab text { fill: var(--ink-soft); font: 500 10.5px var(--sans); }

.area-1 { fill: var(--series-1); opacity: .1; }
.line-1 { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.dot-1  { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }

.iso-1 { fill: var(--iso-1); } .iso-2 { fill: var(--iso-2); } .iso-3 { fill: var(--iso-3); }
.iso-4 { fill: var(--iso-4); } .iso-5 { fill: var(--iso-5); }

.rframe { fill: var(--surface-2); stroke: var(--muted); stroke-width: 1.4; }
.rbird, .fb-bird { fill: var(--ink-soft); }
.reach-h text { fill: var(--ink); font: 600 11.5px var(--sans); }
.reach-px text { fill: var(--muted); font: 400 10.5px var(--sans); font-variant-numeric: tabular-nums; }
.fb-branch { stroke: var(--muted); stroke-width: 2; fill: none; }
.fb-bad  { fill: none; stroke: var(--bad); stroke-width: 2.2; }
.fb-good { fill: none; stroke: var(--ok);  stroke-width: 2.2; }
.fb-mark { font: 600 11.5px var(--sans); }
.fb-mark.bad  { fill: var(--bad); }
.fb-mark.good { fill: var(--ok); }

/* ── Data bars inside the shutter table ─────── */

.swatch, .chip {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: .45rem;
  vertical-align: baseline;
}
.swatch.s1 { background: var(--series-1); }
.swatch.s2 { background: var(--series-2); }
.chip.iso-1 { background: var(--iso-1); } .chip.iso-2 { background: var(--iso-2); }
.chip.iso-3 { background: var(--iso-3); } .chip.iso-4 { background: var(--iso-4); }
.chip.iso-5 { background: var(--iso-5); }

td.barcell { font-family: var(--sans); min-width: 7.5rem; }
.bval {
  display: block;
  font: 500 .9rem/1.2 var(--mono);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.bar {
  display: block;
  width: var(--w);
  min-width: 6px;
  height: 8px;
  margin-top: .35rem;
  border-radius: 0 4px 4px 0;
}
.bar.s1 { background: var(--series-1); }
.bar.s2 { background: var(--series-2); }

/* ── Print ──────────────────────────────────── */

@media print {
  .picker-block { display: none; }
  .chart-scroll { overflow: visible; }
  .chart-scroll svg { min-width: 0; }
  figure.chart, figure.diagram { box-shadow: none; }
  .diagrams { grid-template-columns: 1fr 1fr; }
  ol.keylist { grid-template-columns: 1fr 1fr; }
}