/* Sirajia Prompts — light theme default, dark via [data-theme="dark"]. No external fonts. */
:root {
  --bg: #f6f7fb; --surface: #ffffff; --surface-2: #f1f3f9; --text: #0f172a; --muted: #5b6478;
  --border: #e2e6ef; --primary: #4f46e5; --primary-ink: #ffffff; --primary-soft: #eef0ff;
  --accent: #0ea5e9; --danger: #dc2626; --danger-soft: #fef2f2; --warn: #b45309; --warn-soft: #fffbeb;
  --ok: #15803d; --focus: #2563eb; --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 6px 20px rgba(15, 23, 42, .06);
  --radius: 14px; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
[data-theme="dark"] {
  --bg: #0b1020; --surface: #121a2e; --surface-2: #19223a; --text: #e6e9f2; --muted: #9aa4bd;
  --border: #26304a; --primary: #818cf8; --primary-ink: #0b1020; --primary-soft: #1d2447;
  --accent: #38bdf8; --danger: #f87171; --danger-soft: #2a1518; --warn: #fbbf24; --warn-soft: #2a2312;
  --ok: #4ade80; --focus: #93c5fd; --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.55 var(--sans); background: var(--bg); color: var(--text); }
a { color: var(--primary); }
code { font-family: var(--mono); font-size: .9em; background: var(--surface-2); padding: .05em .35em; border-radius: 6px; }
h2 { font-size: 1.2rem; margin: 0 0 .6rem; }
h3 { font-size: 1rem; margin: 0 0 .4rem; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--primary); color: var(--primary-ink); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip-link:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }

/* header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.brand img { border-radius: 10px; }
.brand-title { display: block; font-weight: 800; font-size: 1.25rem; letter-spacing: -.01em; }
.brand-sub { display: block; color: var(--muted); font-size: .9rem; }
.builders-nav { display: flex; align-items: center; gap: 12px; padding-bottom: 10px; overflow-x: auto; }
.builders-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; }
.builders-list { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.builder { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; font-size: .9rem; white-space: nowrap; border: 1px solid var(--border); text-decoration: none; }
.builder.active { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); font-weight: 600; }
.builder.soon { color: var(--muted); cursor: not-allowed; background: var(--surface-2); }
.badge { font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 0 6px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-size: .92rem; font-weight: 600; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; transition: background .15s, border-color .15s, transform .05s; }
.btn:hover { border-color: var(--primary); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-lg { padding: 12px 22px; font-size: 1.02rem; }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); background: var(--danger-soft); }
.theme-toggle .icon-moon, [data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }
input[type="file"].visually-hidden:focus-visible + * { outline: 3px solid var(--focus); }
label.btn:focus-within { outline: 3px solid var(--focus); }

/* cards & layout */
main { padding-top: 24px; padding-bottom: 40px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.steps { margin: 0; padding-left: 1.2rem; }
.steps li, .baked li { margin-bottom: .35rem; }
.baked { margin: 0; padding-left: 1.1rem; font-size: .95rem; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; margin-bottom: 18px; }
.toolbar-group { display: flex; flex-wrap: wrap; gap: 8px; }
.save-status { margin: 0; font-size: .85rem; color: var(--muted); }
.layout { display: grid; grid-template-columns: 230px 1fr; gap: 20px; align-items: start; }
.sidebar { position: sticky; top: 130px; }
.sidebar nav { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.sidebar-title { margin: 0 0 8px; font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.section-nav { margin: 0; padding: 0; list-style: none; counter-reset: s; }
.section-nav a { display: flex; justify-content: space-between; gap: 8px; padding: 6px 8px; border-radius: 8px; color: var(--text); text-decoration: none; font-size: .92rem; }
.section-nav a:hover { background: var(--surface-2); }
.nav-count { font-size: .75rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.nav-count.complete { color: var(--ok); font-weight: 700; }
.progress { margin: 10px 0 4px; font-weight: 600; }
.content { min-width: 0; }

/* form */
fieldset.section { margin: 0 0 18px; min-width: 0; scroll-margin-top: 140px; }
fieldset.section legend { font-weight: 800; font-size: 1.08rem; padding: 0 6px; margin-left: -6px; float: left; width: 100%; margin-bottom: 2px; }
.sec-intro { clear: both; margin: 0 0 12px; }
.grid { clear: both; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .92rem; }
.req { color: var(--danger); }
input, select, textarea { font: inherit; font-size: .95rem; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 9px 11px; width: 100%; }
textarea { resize: vertical; min-height: 64px; line-height: 1.45; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 30%, transparent); background: var(--surface); }
[aria-invalid="true"] { border-color: var(--danger) !important; background: var(--danger-soft); }
::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }
.field-meta { display: flex; justify-content: space-between; gap: 10px; font-size: .8rem; color: var(--muted); }
.counter { margin-left: auto; font-variant-numeric: tabular-nums; white-space: nowrap; }
.counter.over { color: var(--danger); font-weight: 700; }
.counter.under { color: var(--warn); font-weight: 700; }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 4px; }

/* generate + warnings + output */
.generate-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 18px; }
.generate-bar p { margin: 0; }
.warnings { margin-bottom: 18px; display: grid; gap: 12px; }
.warnings:focus { outline: none; }
.warn { border-radius: var(--radius); padding: 14px 18px; border: 1px solid; }
.warn ul { margin: .3rem 0 0; padding-left: 1.2rem; columns: 2; column-gap: 24px; }
.warn li { break-inside: avoid; }
.warn p { margin: .2rem 0; }
.warn-required { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.warn-required h3 { color: var(--danger); }
.warn-soft { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
.warn-soft h3 { color: var(--warn); }
.output { scroll-margin-top: 140px; }
.output-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.tabs { display: inline-flex; background: var(--surface-2); padding: 4px; border-radius: 12px; gap: 4px; }
.tab { font: inherit; font-weight: 600; font-size: .92rem; border: 0; background: transparent; color: var(--muted); padding: 8px 14px; border-radius: 9px; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.output-actions { display: flex; flex-wrap: wrap; gap: 8px; }
pre.md { margin: 8px 0 0; padding: 16px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; font: .85rem/1.55 var(--mono); white-space: pre-wrap; word-break: break-word; max-height: 70vh; overflow: auto; }

/* toast + footer */
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: .92rem; box-shadow: var(--shadow); z-index: 50; max-width: 90vw; }
.site-footer { border-top: 1px solid var(--border); background: var(--surface); padding: 22px 0; }
.footer-row p { margin: .2rem 0; }

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .section-nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .intro-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .theme-label { display: none; }
  .brand-sub { font-size: .8rem; }
  .warn ul { columns: 1; }
  .site-header { position: static; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }