:root {
  --paper: #f4efe4;
  --paper-2: #ebe4d4;
  --card: #fffdf8;
  --ink: #29251f;
  --ink-2: #5b5348;
  --rule: #d6ccb8;
  --accent: #23665a;
  --accent-ink: #ffffff;
  --accent-soft: #d8e8e2;
  --warn: #8a4b0f;
  --warn-bg: #f7e6cc;
  --bad: #9b2c1f;
  --print-edge: #ffffff;
  --shadow: 0 1px 2px rgba(60, 45, 20, 0.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1b1915;
    --paper-2: #24211b;
    --card: #2a2620;
    --ink: #ece4d4;
    --ink-2: #b9ae9b;
    --rule: #433d33;
    --accent: #7cc4b3;
    --accent-ink: #10201c;
    --accent-soft: #1f3a34;
    --warn: #f0c27e;
    --warn-bg: #3a2c17;
    --bad: #f19a8c;
    --print-edge: #3a352d;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

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

.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }

.skip { position: absolute; left: -9999px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { left: 16px; top: 8px; background: var(--card); padding: 6px 10px; z-index: 10; }

header.site { border-bottom: 1px solid var(--rule); }
header.site .wrap { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 12px; }
.brand { font: 600 26px/1 var(--serif); color: var(--ink); text-decoration: none; letter-spacing: 0.01em; display: inline-flex; align-items: center; gap: 10px; }
.brand svg { width: 28px; height: 28px; flex: none; position: relative; top: 4px; }
nav.top { display: flex; gap: 4px 18px; flex-wrap: wrap; font-size: 15px; }
nav.top a { color: var(--ink-2); text-decoration: none; padding: 4px 0; }
nav.top a:hover, nav.top a[aria-current="page"] { color: var(--ink); text-decoration: underline; }

main { padding: 28px 0 48px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(30px, 5vw, 42px); margin: 8px 0 12px; max-width: 22ch; }
h2 { font-size: 26px; margin: 40px 0 10px; }
h3 { font-size: 19px; margin: 24px 0 6px; }
p { margin: 0 0 14px; }
.lede { font-size: 19px; color: var(--ink-2); max-width: 60ch; }
.prose { max-width: 68ch; }
.prose li { margin-bottom: 6px; }
.small { font-size: 14px; color: var(--ink-2); }
code, .mono { font-family: var(--mono); font-size: 0.9em; }
code { background: var(--paper-2); padding: 1px 4px; border-radius: 3px; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: center; }
.hero img { width: 100%; height: auto; }
@media (max-width: 760px) { .hero { grid-template-columns: 1fr; } .hero img { display: none; } }

/* drop zone */
.drop {
  margin: 22px 0 8px;
  border: 2px dashed var(--rule);
  border-radius: 6px;
  background: var(--card);
  padding: 30px 20px;
  text-align: center;
}
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop p { margin: 0 0 12px; }
.drop .big { font: 600 21px/1.3 var(--serif); }
.drop .or { color: var(--ink-2); font-size: 15px; margin: 12px 0 0; }

.btn {
  display: inline-block;
  font: 600 16px/1.2 var(--sans);
  padding: 11px 18px;
  border-radius: 5px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.quiet { background: transparent; color: var(--accent); }
.btn[disabled], .btn[aria-disabled="true"] { background: var(--paper-2); border-color: var(--rule); color: var(--ink-2); cursor: not-allowed; filter: none; }
.linkish { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); text-decoration: underline; cursor: pointer; }

.status { min-height: 1.5em; margin: 10px 0; color: var(--ink-2); }
.status.error { color: var(--bad); font-weight: 600; }
progress { width: 100%; height: 10px; accent-color: var(--accent); }

/* loaded project */
.project[hidden] { display: none; }
.summary { font-size: 18px; margin: 18px 0 6px; }
.summary b { font-family: var(--serif); }
details.notes { background: var(--warn-bg); color: var(--ink); border-radius: 5px; padding: 10px 14px; margin: 12px 0; }
details.notes summary { cursor: pointer; font-weight: 600; color: var(--warn); }
details.notes ul { margin: 8px 0 0; padding-left: 20px; }

.stage { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; margin-top: 18px; }
@media (max-width: 820px) { .stage { grid-template-columns: 1fr; } }

.player { background: #000; border-radius: 4px; overflow: hidden; }
.player canvas { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; background: #000; }
.controls { display: flex; align-items: center; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.controls input[type="range"] { flex: 1 1 200px; accent-color: var(--accent); min-width: 0; }
.controls .time { font-family: var(--mono); font-size: 14px; color: var(--ink-2); min-width: 92px; }

.panel { background: var(--card); border: 1px solid var(--rule); border-radius: 6px; padding: 16px; }
.panel h2 { font-size: 20px; margin: 0 0 8px; }
.panel + .panel { margin-top: 14px; }
.panel p { font-size: 15px; }
.panel .btn { width: 100%; text-align: center; margin-top: 4px; }
fieldset.sizes { border: 0; padding: 0; margin: 0 0 10px; }
fieldset.sizes legend { font-size: 15px; font-weight: 600; padding: 0; margin-bottom: 4px; }
fieldset.sizes label { display: block; font-size: 15px; padding: 3px 0; }
.result { margin-top: 12px; font-size: 15px; }
.result a.btn { margin-top: 8px; }
.result ul { padding-left: 18px; margin: 8px 0 0; }

/* the slide list, laid out like a contact sheet of prints */
.sheet { list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 20px 16px; }
.sheet li { margin: 0; }
.print { display: block; width: 100%; padding: 6px 6px 8px; background: var(--print-edge); box-shadow: var(--shadow); border: 0; border-radius: 2px; text-align: left; cursor: pointer; color: var(--ink); font: inherit; }
.print:hover { outline: 2px solid var(--accent); }
.print.current { outline: 2px solid var(--accent); }
.print canvas { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; background: #222; }
.print .meta { display: flex; justify-content: space-between; gap: 6px; font-size: 13px; margin-top: 6px; color: var(--ink-2); }
.print .num { font-weight: 700; color: var(--ink); }
.print .cap, .print .flags { display: block; }
.print .cap { font-family: var(--serif); font-size: 14px; margin-top: 3px; line-height: 1.3; overflow-wrap: anywhere; }
.print .flags { font-size: 12px; color: var(--ink-2); margin-top: 3px; }

/* content pages */
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; font-size: 15px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; background: var(--paper-2); }
.table-scroll { overflow-x: auto; }
pre { background: var(--paper-2); padding: 12px; border-radius: 4px; overflow-x: auto; font: 13px/1.5 var(--mono); }
.price { font: 600 44px/1 var(--serif); margin: 6px 0 4px; }
form.restore label { display: block; font-size: 15px; font-weight: 600; margin: 10px 0 4px; }
form.restore input { width: 100%; max-width: 360px; font: inherit; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 4px; background: var(--card); color: var(--ink); }
form.restore .btn { margin-top: 12px; width: auto; }
.callout { border-left: 4px solid var(--accent); padding: 4px 0 4px 14px; margin: 18px 0; }

footer.site { border-top: 1px solid var(--rule); padding: 20px 0 36px; font-size: 14px; color: var(--ink-2); }
footer.site nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
footer.site a { color: var(--ink-2); }