/* Prompton — studio track-sheet UI */
:root {
  --tolex: #241a20;
  --panel: #2f232a;
  --panel-2: #382a32;
  --rail: #4a3843;
  --paper: #f3e8d8;
  --muted: #bba99b;
  --faint: #8b7a70;
  --amber: #f2a541;
  --amber-ink: #2a1a08;
  --teal: #62c4aa;
  --clip: #ef6a5b;
  --focus: #ffd38a;
  --radius: 8px;
  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --tolex: #f4ece2; --panel: #fffaf3; --panel-2: #f0e5d8; --rail: #d9c8b8;
    --paper: #2a1d24; --muted: #6d5a50; --faint: #8f7c71;
    --amber: #b8670c; --amber-ink: #fff8ef; --teal: #237a65; --clip: #b83a2c; --focus: #8a4b00;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --tolex: #f4ece2; --panel: #fffaf3; --panel-2: #f0e5d8; --rail: #d9c8b8;
  --paper: #2a1d24; --muted: #6d5a50; --faint: #8f7c71;
  --amber: #b8670c; --amber-ink: #fff8ef; --teal: #237a65; --clip: #b83a2c; --focus: #8a4b00;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--tolex); color: var(--paper);
  font: 400 17px/1.55 var(--body); min-height: 100vh;
}
a { color: var(--amber); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.02; letter-spacing: .005em; margin: 0; }
h1 { font-size: clamp(44px, 9vw, 104px); }
h2 { font-size: clamp(32px, 5vw, 52px); }
h3 { font-size: 24px; font-weight: 700; }
p { margin: 0 0 1em; }
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 36em; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }

/* --- top bar */
.bar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--tolex) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rail); }
.bar .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--paper); text-decoration: none; font: 800 26px/1 var(--display); }
.brand svg { width: 22px; height: 22px; flex: none; }
.nav a, .meter, .btn { white-space: nowrap; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 6px; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--paper); background: var(--panel); }
.meter { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); padding: 6px 10px; border: 1px solid var(--rail); border-radius: 999px; white-space: nowrap; }
.meter b { color: var(--paper); font-weight: 700; }
@media (max-width: 640px) {
  .nav a.hide-sm { display: none; }
  .bar .wrap { gap: 8px; }
}
@media (max-width: 420px) {
  .brand { font-size: 22px; gap: 7px; }
  .nav a.hide-xs { display: none; }
  .nav a { padding: 8px 7px; }
}

/* --- buttons + fields */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 700 16px/1 var(--body); padding: 13px 20px; border-radius: var(--radius); border: 1px solid var(--rail); background: var(--panel); color: var(--paper); cursor: pointer; text-decoration: none; min-height: 46px; }
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--amber); border-color: var(--amber); color: var(--amber-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 8px 12px; min-height: 36px; font-size: 14px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn .cost { font-weight: 500; opacity: .8; }

label { display: block; font-weight: 600; font-size: 15px; margin: 0 0 6px; }
.hint { display: block; font-weight: 400; color: var(--faint); font-size: 13px; margin-top: 4px; }
input[type="text"], input[type="email"], input[type="number"], select, textarea {
  width: 100%; font: 400 16px/1.45 var(--body); color: var(--paper); background: var(--tolex);
  border: 1px solid var(--rail); border-radius: var(--radius); padding: 11px 12px;
}
textarea { resize: vertical; min-height: 120px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--focus); outline-offset: 0; border-color: transparent; }
.field { margin-bottom: 16px; }
.row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 520px) { .row { grid-template-columns: 1fr; } }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--amber); flex: none; }

.seg { display: inline-flex; border: 1px solid var(--rail); border-radius: var(--radius); overflow: hidden; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { margin: 0; padding: 9px 14px; font-weight: 600; font-size: 15px; cursor: pointer; color: var(--muted); }
.seg input:checked + label { background: var(--panel-2); color: var(--paper); box-shadow: inset 0 -2px 0 var(--amber); }
.seg input:focus-visible + label { outline: 2px solid var(--focus); outline-offset: -2px; }

details.more { border-top: 1px solid var(--rail); padding-top: 12px; margin-top: 4px; }
details.more > summary { cursor: pointer; font-weight: 700; color: var(--muted); list-style: none; padding: 6px 0; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "+ "; color: var(--amber); }
details.more[open] > summary::before { content: "– "; }

.notice { border-left: 3px solid var(--amber); background: var(--panel); padding: 12px 14px; border-radius: 0 var(--radius) var(--radius) 0; margin: 12px 0; }
.notice.bad { border-color: var(--clip); }
.notice.good { border-color: var(--teal); }

/* --- pipeline rail: the signal path */
.rail { display: grid; grid-template-columns: repeat(11, 1fr); gap: 4px; margin: 0; padding: 0; list-style: none; }
.rail li { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 11px; color: var(--faint); text-align: center; }
.rail .led { width: 100%; height: 10px; border-radius: 3px; background: var(--panel-2); border: 1px solid var(--rail); transition: background .25s, box-shadow .25s; }
.rail li.lit .led { background: var(--amber); border-color: var(--amber); box-shadow: 0 0 10px color-mix(in srgb, var(--amber) 55%, transparent); }
.rail li.live .led { animation: pulse 1s ease-in-out infinite; }
.rail li.pass .led { background: var(--teal); border-color: var(--teal); box-shadow: 0 0 10px color-mix(in srgb, var(--teal) 50%, transparent); }
.rail li.fail .led { background: var(--clip); border-color: var(--clip); }
.rail li.lit, .rail li.pass, .rail li.fail { color: var(--paper); }
@keyframes pulse { 50% { opacity: .45; } }
@media (prefers-reduced-motion: reduce) { .rail li.live .led { animation: none; } .rail .led { transition: none; } }
.status-line { margin: 12px 0 0; color: var(--muted); font-size: 15px; min-height: 1.5em; }

/* --- the sheet (output) */
.sheet { display: grid; gap: 14px; }
.strip { background: var(--panel); border: 1px solid var(--rail); border-radius: var(--radius); }
.strip header { display: flex; align-items: center; gap: 10px; padding: 10px 12px 10px 14px; border-bottom: 1px solid var(--rail); }
.strip header h3 { font-size: 22px; }
.strip header .count { color: var(--faint); font-size: 13px; margin-left: auto; }
.strip header .count.over { color: var(--clip); }
.strip pre { margin: 0; padding: 14px; white-space: pre-wrap; word-break: break-word; font: 400 15.5px/1.6 var(--body); }
@media (min-width: 901px) { .strip pre { max-height: 70vh; overflow: auto; } }
.strip pre .tok { color: var(--amber); font-weight: 600; }
.strip pre .adlib { color: var(--muted); font-style: italic; }
.song-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 16px; }
.song-head h2 { font-size: clamp(32px, 5vw, 48px); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--rail); font-size: 13px; color: var(--muted); }
.chip.good { color: var(--teal); border-color: color-mix(in srgb, var(--teal) 50%, var(--rail)); }
.chip.bad { color: var(--clip); border-color: color-mix(in srgb, var(--clip) 50%, var(--rail)); }
.notes { margin: 0; padding-left: 18px; color: var(--muted); font-size: 15px; }
.notes li { margin: 2px 0; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; }

/* --- studio layout */
.studio { display: grid; gap: 24px; grid-template-columns: minmax(320px, 420px) 1fr; padding: 24px 0 64px; align-items: start; }
.studio .compose { position: sticky; top: 76px; background: var(--panel); border: 1px solid var(--rail); border-radius: 12px; padding: 18px; }
.studio .compose h1 { font-size: 40px; margin-bottom: 14px; }
@media (max-width: 900px) {
  .studio { grid-template-columns: 1fr; }
  .studio .compose { position: static; }
}
#out { scroll-margin-top: 72px; }
.empty { border: 1px dashed var(--rail); border-radius: 12px; padding: 28px; color: var(--muted); }
.empty h2 { color: var(--paper); font-size: 34px; margin-bottom: 8px; }

/* --- landing */
.hero { padding: 56px 0 40px; display: grid; gap: 40px; grid-template-columns: 1.05fr 1fr; align-items: center; }
.hero h1 { max-width: 9ch; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
@media (max-width: 960px) { .hero { grid-template-columns: 1fr; padding-top: 32px; } .hero h1 { max-width: 11ch; } }
.demo { background: var(--panel); border: 1px solid var(--rail); border-radius: 14px; padding: 16px; display: grid; gap: 14px; }
.brief-bubble { background: var(--tolex); border: 1px solid var(--rail); border-radius: 14px 14px 14px 4px; padding: 12px 14px; color: var(--paper); font-size: 16px; }
.brief-bubble small { display: block; color: var(--faint); font-size: 13px; margin-bottom: 4px; }
.demo .strip pre { font-size: 14px; max-height: none; }
.demo .reveal { opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s; }
.demo.go .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .demo .reveal { opacity: 1; transform: none; transition: none; } }

.band { padding: 64px 0; border-top: 1px solid var(--rail); }
.band .cols { display: grid; gap: 40px; grid-template-columns: 1fr 1.2fr; align-items: start; }
@media (max-width: 860px) { .band .cols { grid-template-columns: 1fr; } }
.ledger-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0; }
.ledger-list li { display: grid; grid-template-columns: 9ch 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rail); }
.ledger-list li b { font-family: var(--display); font-size: 24px; font-weight: 700; color: var(--amber); line-height: 1.1; }
.stages { counter-reset: s; margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 32px; }
.stages li { break-inside: avoid; padding: 6px 0; color: var(--muted); }
.stages li span { display: inline-block; min-width: 3.2ch; color: var(--paper); font-weight: 700; }
@media (max-width: 520px) { .stages { columns: 1; } }

/* pricing */
.plans { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }
.plan { border: 1px solid var(--rail); border-radius: 12px; padding: 20px; background: var(--panel); display: flex; flex-direction: column; gap: 10px; }
.plan.feature { border-color: var(--amber); }
.plan .price { font: 800 54px/1 var(--display); }
.plan .price small { font: 500 16px var(--body); color: var(--muted); }
.plan .btn { margin-top: auto; }

/* tables (library, admin) */
.list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rail); }
.list li { border-bottom: 1px solid var(--rail); }
.list a.item { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 14px 4px; color: var(--paper); text-decoration: none; }
.list a.item:hover { background: var(--panel); }
.list .title { font-weight: 700; }
.list .meta { color: var(--faint); font-size: 14px; }
table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th, table.grid td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--rail); vertical-align: top; }
table.grid th { color: var(--muted); font-weight: 600; }
.scroll-x { overflow-x: auto; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rail); margin: 20px 0; overflow-x: auto; }
.tabs button { background: none; border: 0; color: var(--muted); font: 700 16px var(--body); padding: 12px 14px; cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--paper); border-bottom-color: var(--amber); }
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 20px; }
.kpi { background: var(--panel); border: 1px solid var(--rail); border-radius: var(--radius); padding: 14px; }
.kpi b { display: block; font: 800 34px/1.05 var(--display); }
.kpi span { color: var(--muted); font-size: 14px; }

.page { padding: 32px 0 72px; }
.page.narrow { width: min(720px, 100% - 32px); margin-inline: auto; }
.prose h2 { font-size: 30px; margin: 32px 0 10px; }
.prose p, .prose li { color: var(--muted); max-width: 66ch; }
footer.foot { border-top: 1px solid var(--rail); padding: 28px 0 40px; color: var(--faint); font-size: 14px; }
footer.foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer.foot a { color: var(--muted); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--paper); color: var(--tolex); padding: 10px 16px; border-radius: 999px; font-weight: 700; font-size: 15px; z-index: 50; box-shadow: 0 6px 24px rgba(0,0,0,.35); }
@media (max-width: 350px) {
  .brand { font-size: 20px; }
  .bar .btn.sm { padding: 8px 10px; }
  .nav a { padding: 8px 5px; }
}