:root {
  color-scheme: light;
  --page: #f5f6f8;
  --surface: #ffffff;
  --surface-subtle: #f8f9fb;
  --line: #dfe3e8;
  --line-strong: #c7cdd5;
  --text: #202832;
  --muted: #66717e;
  --accent: #315fd5;
  --accent-soft: #eaf0ff;
  --accent-ink: #ffffff;
  --warning: #8a5a00;
  --warning-bg: #fff8e8;
  --danger: #b4233c;
  --danger-bg: #fff0f2;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--text); }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1320px; margin: 0 auto; padding: 15px 32px; display: flex; align-items: center; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 19px; font-weight: 700; letter-spacing: -.4px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand img { display: block; }
.brand-name { color: var(--text); }
.tag, .version { color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 8px; font-size: 10px; font-weight: 700; letter-spacing: .7px; line-height: 1.2; white-space: nowrap; }
.source-link { margin-left: auto; color: var(--muted); font-size: 12px; }

.container { max-width: 1320px; margin: 0 auto; padding: 0 32px; }
.intro { padding: 42px 0 28px; max-width: 720px; }
.eyebrow, .panel-kicker { margin: 0 0 8px; color: var(--accent); font-size: 11px; font-weight: 750; letter-spacing: 1px; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(32px, 4vw, 48px); font-weight: 720; letter-spacing: -1.5px; line-height: 1.1; }
.intro > p:last-child { max-width: 600px; margin: 14px 0 0; color: var(--muted); font-size: 16px; }

.workspace { display: grid; grid-template-columns: minmax(320px, 410px) minmax(0, 1fr); gap: 22px; align-items: start; }
.panel { min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 24px; box-shadow: 0 2px 7px rgb(25 35 50 / 4%); }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.panel-heading h2 { margin: 0; font-size: 18px; letter-spacing: -.25px; }
.result-heading { margin-bottom: 22px; }
.form-section { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.section-title { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 15px; }
.section-title h2 { margin: 0; font-size: 15px; letter-spacing: -.1px; }
.section-title p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
.step { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 27px; height: 22px; border-radius: 5px; background: var(--accent-soft); color: var(--accent); font-size: 10px; font-weight: 750; letter-spacing: .3px; }

label { display: block; margin: 14px 0 6px; color: var(--text); font-size: 12px; font-weight: 650; }
input, textarea, select, button { font: inherit; color: inherit; }
input:not([type="checkbox"]), select, textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); padding: 9px 10px; font-size: 12px; }
input:not([type="checkbox"]):focus, select:focus, textarea:focus { border-color: var(--accent); outline: 3px solid rgb(49 95 213 / 14%); }
input[type="file"] { padding: 7px !important; font-size: 11px; }
input::file-selector-button { margin-right: 8px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--surface-subtle); color: var(--text); padding: 5px 8px; font-size: 11px; }
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; line-height: 1.45; }
button { border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); padding: 8px 11px; font-size: 12px; font-weight: 650; cursor: pointer; }
button:hover { background: var(--surface-subtle); }
button:disabled { cursor: not-allowed; opacity: .55; }
.primary { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.primary:hover { background: #264fb9; }
#convertButton { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 24px; padding: 11px 13px; font-size: 13px; }
.check { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0; font-weight: 500; }
input[type="checkbox"] { width: 15px; height: 15px; margin: 1px 0 0; accent-color: var(--accent); }
.hint, .privacy-note { margin: 8px 0 12px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.privacy-note { padding-top: 14px; border-top: 1px solid var(--line); }
details { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
details.form-section { padding-top: 17px; }
summary { color: var(--text); cursor: pointer; font-size: 12px; font-weight: 650; }
summary::marker { color: var(--muted); }
.examples { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.examples button { padding: 5px 8px; background: var(--surface-subtle); font-size: 11px; }

.results { min-height: 550px; }
#emptyState { padding: 68px 18px 48px; text-align: center; color: var(--muted); }
.empty-icon { display: grid; place-items: center; width: 74px; height: 74px; margin: 0 auto 20px; border: 1px solid #c9d5f4; border-radius: 12px; background: var(--accent-soft); }
.empty-icon img { display: block; width: 50px; height: 50px; border-radius: 11px; }
#emptyState h3 { margin: 0 0 7px; color: var(--text); font-size: 19px; letter-spacing: -.2px; }
#emptyState p { max-width: 410px; margin: 0 auto; font-size: 12px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin-bottom: 16px; }
.stat { min-width: 0; padding: 11px 12px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-subtle); }
.stat strong { display: block; font-size: 23px; font-weight: 700; line-height: 1.25; }
.stat span { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.native { color: #14724f; } .approximate { color: var(--warning); } .dependent { color: #315f9f; } .unsupported { color: var(--danger); }
#resultSummary { margin: 0 0 14px; color: var(--muted); font-size: 12px; }
.notice { margin: 12px 0; padding: 11px 12px; border: 1px solid #e8c982; border-radius: 6px; background: var(--warning-bg); color: var(--warning); font-size: 12px; }
.danger-check { color: var(--danger); font-weight: 700; }
.danger-notice { margin: 14px 0; padding: 12px; border: 1px solid #f0b4bd; border-radius: 6px; background: var(--danger-bg); color: var(--danger); font-size: 12px; }
.danger-notice p { margin: 7px 0 10px; }
.danger-notice label { color: var(--danger); }
.downloads { display: flex; flex-wrap: wrap; gap: 8px; margin: 17px 0 12px; }
ul { margin: 9px 0; padding-left: 18px; color: var(--muted); font-size: 11px; }
li { margin: 6px 0; }
.filters { display: flex; gap: 9px; margin: 20px 0 10px; }
.filters input { min-width: 0; flex: 1; } .filters select { width: 145px; }
.table-wrap { max-height: 510px; overflow: auto; border: 1px solid var(--line); border-radius: 7px; }
table { width: 100%; border-collapse: collapse; font-size: 11px; }
th { position: sticky; top: 0; padding: 9px 10px; border-bottom: 1px solid var(--line); background: var(--surface-subtle); color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .5px; text-align: left; text-transform: uppercase; }
td { padding: 11px 10px; border-top: 1px solid var(--line); vertical-align: top; }
td:first-child { width: 58%; overflow-wrap: anywhere; } td:last-child { width: 42%; text-align: left; }
td small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; line-height: 1.45; } td .pill { font-size: 10px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; } td p { margin: 4px 0 0; color: var(--muted); font-size: 10px; }
.error { margin-top: 17px; padding: 12px; border: 1px solid #f0b4bd; border-radius: 6px; background: var(--danger-bg); color: var(--danger); font-size: 12px; overflow-wrap: anywhere; }
.layout-entry { margin: 13px 0; padding-left: 11px; border-left: 2px solid #a8bced; } .layout-entry strong { font-size: 12px; } .layout-entry p { margin: 3px 0; color: var(--muted); font-size: 11px; }
footer { max-width: 850px; padding: 26px 0 34px; color: var(--muted); font-size: 11px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
:focus-visible { outline: 3px solid rgb(49 95 213 / 26%); outline-offset: 2px; }

@media (max-width: 950px) {
  .workspace { grid-template-columns: 1fr; }
  .inputs { max-width: none; }
  .results { min-height: 380px; }
}
@media (max-width: 600px) {
  .header-inner, .container { padding-left: 16px; padding-right: 16px; }
  .header-inner { gap: 10px; } .tag { display: none; } .source-link { font-size: 11px; }
  .intro { padding-top: 30px; } h1 { font-size: 34px; letter-spacing: -1px; }
  .panel { padding: 17px; } .stats { grid-template-columns: repeat(2, 1fr); }
  .filters { flex-wrap: wrap; } .filters select { width: 100%; }
  .downloads button { flex: 1; } td { padding: 9px 8px; }
}