/* Shared landing and application identity. No remote assets. */
html { scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible, button:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 4px; }
.site-brand { min-width: 225px; gap: 11px; flex-shrink: 0; }
.site-brand b { font-family: var(--f-body); font-size: 19px; letter-spacing: -.7px; font-weight: 600; }
.site-brand > div > span { font-size: 10px; letter-spacing: .02em; }
.brand-dot { color: var(--action); }
.site-mark { width: 35px; height: 35px; display: grid; place-items: center; background: var(--action); color: var(--action-fg); border-radius: 9px; font-family: var(--f-mono); font-size: 21px; font-weight: 500; position: relative; transform: rotate(-5deg); padding-right: 8px; box-sizing: border-box; }
.site-mark > span { font-size: 18px; position: absolute; right: 5px; top: 4px; }
.app-header { gap: 16px; }
.site-controls { display: flex; align-items: center; gap: 14px; margin-left: auto; flex-shrink: 0; }
.header-local { white-space: nowrap; font-size: 11px; }
.header-local::before { content: ''; display: inline-block; width: 5px; height: 5px; margin: 0 6px 2px 0; border-radius: 50%; background: var(--s3); }
.language-menu { position: relative; font-size: 11px; }
.language-menu > summary { list-style: none; cursor: pointer; padding: 8px 2px; font-family: var(--f-mono); }
.language-menu > summary::-webkit-details-marker { display: none; }
.language-menu > summary::after { content: '⌄'; margin-left: 5px; color: var(--muted); }
.language-options { position: absolute; right: 0; top: 100%; z-index: 80; width: 215px; padding: 8px; border-radius: 10px; background: var(--pop); border: 1px solid var(--line); box-shadow: 0 10px 30px #0002; }
.language-options a { display: block; border-radius: 5px; padding: 9px 10px; }
.language-options a:hover, .language-options a[aria-current] { background: var(--accent-soft); color: var(--accent-text); }
.language-options p { padding: 9px 10px 4px; border-top: 1px solid var(--line); font-size: 10px; line-height: 1.5; color: var(--muted); }
.theme-toggle { display: grid; place-items: center; width: 30px; height: 32px; background: none; color: var(--muted); border: 0; border-radius: 6px; cursor: pointer; }
.theme-toggle:hover { background: var(--bg); color: var(--fg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-sun { display: none; }
:root[data-theme=dark] .theme-sun { display: block; }
:root[data-theme=dark] .theme-moon { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme=light]) .theme-sun { display: block; } :root:not([data-theme=light]) .theme-moon { display: none; } }
.start-screen { display: block; padding: 30px 32px 0; scroll-behavior: smooth; }
.landing-width { width: min(100%, 1200px); margin: 0 auto; }
/* A single illustrated hero: copy and real file controls overlay the artwork. */
:root { --hero-surface: #dcecf9; --hero-ink: #1c2429; --hero-muted: #465b6d; --hero-highlight: var(--accent); --hero-bubble: #fffef6; }
@media (prefers-color-scheme: dark) { :root:not([data-theme=light]) { --hero-surface: #13171d; --hero-ink: #eceef1; --hero-muted: #afb8c5; --hero-highlight: var(--accent); --hero-bubble: #252b34; } }
:root[data-theme=dark] { --hero-surface: #13171d; --hero-ink: #eceef1; --hero-muted: #afb8c5; --hero-highlight: var(--accent); --hero-bubble: #252b34; }
.hero-grid { position: relative; isolation: isolate; overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: var(--hero-surface); display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); column-gap: 24px; row-gap: 22px; align-items: start; padding: 34px 40px; }
.hero-copy { position: relative; z-index: 2; grid-column: 1; grid-row: 1; color: var(--hero-ink); }
.eyebrow { font-family: var(--f-mono); font-size: 10px; letter-spacing: .07em; color: var(--muted); text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.hero-copy .eyebrow { color: var(--hero-muted); }
.status-dot { display: inline-block; width: 6px; height: 6px; background: var(--s3); border-radius: 50%; }
.hero-copy h1 { margin: 17px 0 16px; font-family: var(--f-display); font-size: clamp(36px, 4vw, 54px); line-height: 1.1; letter-spacing: -.045em; }
.hero-highlight { display: inline-block; background: var(--hero-highlight); color: #1c2429; padding: 0 .12em .05em; border-radius: 5px; transform: rotate(-1deg); }
.hero-lead { font-size: 13px; line-height: 1.65; color: var(--hero-muted); max-width: 440px; }
.hero-points { display: flex; gap: 20px; margin-top: 13px; font-size: 10px; color: var(--hero-muted); }
.hero-points span::before { content: '✓'; color: var(--s3); margin-right: 6px; }
.hero-figure { margin: 0; position: absolute; z-index: 0; top: 0; right: 0; bottom: 0; width: 58%; min-height: 0; overflow: hidden; pointer-events: none; }
.hero-figure img { width: 100%; height: 100%; position: absolute; object-fit: cover; object-position: 50% 38%; -webkit-mask-image: linear-gradient(90deg, transparent, #000 24%); mask-image: linear-gradient(90deg, transparent, #000 24%); }
.hero-figure .hero-day { display: block; }
.hero-figure .hero-night { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme=light]) .hero-figure .hero-day { display: none; } :root:not([data-theme=light]) .hero-figure .hero-night { display: block; } }
:root[data-theme=dark] .hero-figure .hero-day { display: none; }
:root[data-theme=dark] .hero-figure .hero-night { display: block; }
.hero-figure figcaption { position: absolute; z-index: 1; top: 27px; left: 20%; max-width: 225px; color: var(--hero-ink); background: var(--hero-bubble); border: 1px solid var(--hero-ink); border-radius: 13px 13px 13px 2px; box-shadow: 4px 4px 0 var(--hero-ink); padding: 13px 16px; font-size: 15px; line-height: 1.45; text-wrap: balance; transform: rotate(-3deg); }
.hero-note { position: absolute; bottom: 20px; right: 20px; padding: 7px 10px; font-family: var(--f-mono); font-size: 10px; border-radius: 5px; border: 1px solid var(--line); color: var(--hero-ink); background: var(--hero-bubble); transform: rotate(2deg); }
.hero-import { position: relative; z-index: 2; grid-column: 1; grid-row: 2; min-width: 0; color: var(--hero-ink); }
.import-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.step-number { font-family: var(--f-mono); font-size: 11px; color: var(--accent-fg); background: var(--hero-highlight); width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 8px; display: grid; place-items: center; flex-shrink: 0; }
.import-heading h2 { font-size: 16px; }
.import-heading p { color: var(--hero-muted); font-size: 11px; margin-top: 3px; }
.start-screen .loader { width: 100%; padding: 10px; color: var(--fg); background: color-mix(in srgb, var(--panel) 86%, transparent); backdrop-filter: blur(8px); box-shadow: 0 5px 24px #00000003; border-radius: 12px; }
.start-screen .drop { padding: 16px 14px; gap: 8px; background: transparent; }
.start-screen .drop h2 { font-size: 13px; }
.start-screen .drop p { font-size: 11px; color: var(--muted); }
.start-screen .upload-icon { width: 27px; height: 27px; }
.start-screen .btn { font-size: 11px; padding: 9px 13px; }
.start-screen .log-help { padding: 0 5px; font-size: 11px; }
.start-screen .log-help summary { cursor: pointer; width: fit-content; color: var(--muted); }
.start-screen .paths { margin-top: 12px; font-size: 10px; }
.start-screen .log-help p { font-size: 10px; margin-top: 10px; }
.start-screen .progress { padding-inline: 5px; }
.start-screen .status { font-size: 11px; }
.start-privacy { display: flex; align-items: start; gap: 7px; font-size: 10px; line-height: 1.55; color: var(--hero-muted); margin: 11px 0 0; max-width: none; text-align: left; }
.start-privacy svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 1px; color: var(--s3); }
.explain { margin-top: 65px; border-top: 1px solid var(--line); padding-top: 35px; }
.section-heading h2 { font-size: 22px; margin-top: 9px; letter-spacing: -.02em; }
.feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px; margin-top: 28px; }
.feature-grid article { min-width: 0; border-top: 1px solid var(--line); padding-top: 16px; }
.feature-number { font-family: var(--f-mono); font-size: 10px; color: var(--action-text); }
.feature-grid h3 { font-size: 14px; margin: 9px 0 8px; }
.feature-grid p { font-size: 12px; line-height: 1.65; color: var(--muted); min-height: 60px; }
.mini-chart { height: 35px; display: flex; align-items: end; gap: 5px; margin-top: 18px; opacity: .7; }
.mini-chart i { height: 35%; flex: 1; border-radius: 3px 3px 0 0; background: var(--action); }
.mini-chart i:nth-child(2n) { height: 65%; }.mini-chart i:nth-child(3n) { height: 90%; }.mini-chart i:nth-child(5) { height: 48%; }
.mini-stack { display: flex; height: 8px; gap: 3px; margin-top: 30px; border-radius: 5px; overflow: hidden; }
.mini-stack i:nth-child(1) { flex: 7; background: var(--s1); }.mini-stack i:nth-child(2) { flex: 2; background: var(--s2); }.mini-stack i:nth-child(3) { flex: 1; background: var(--s3); }
.mini-labels { display: flex; gap: 12px; margin-top: 8px; font-size: 9px; color: var(--muted); }
.mini-trace { display: flex; align-items: center; gap: 6px; margin-top: 22px; font-size: 10px; color: var(--muted); flex-wrap: wrap; }.mini-trace code { font-size: 9px; }
.faq { margin-top: 50px; display: grid; grid-template-columns: 1fr 2fr; gap: 40px; border-top: 1px solid var(--line); padding-top: 32px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 15px 0; }.faq-list details:first-child { padding-top: 0; }
.faq-list summary { font-size: 13px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 14px; }.faq-list summary::after { content: '+'; color: var(--muted); }.faq-list details[open] summary::after { content: '−'; }
.faq-list p { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 28px 0; border-top: 1px solid var(--line); margin-top: 40px; font-size: 12px; }.site-footer small { display: block; font-size: 10px; color: var(--muted); margin-top: 5px; }.site-footer nav { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; font-size: 10px; color: var(--muted); }.site-footer a:hover { color: var(--action-text); }
.info-page main { max-width: 820px; margin: 0 auto; padding: 40px 24px 70px; line-height: 1.8; }.info-page h1 { margin-top: 35px; }.info-page h2 { margin: 28px 0 10px; }.info-page p,.info-page li { font-size: 14px; color: var(--muted); }.info-page li { margin-bottom: 15px; }.info-back { font-size: 13px; color: var(--accent-text); }.info-lead { margin-top: 20px; }.info-page .notes { max-width: none; }
.entry-page { display: grid; min-height: 100dvh; place-items: center; }.entry-page main { padding: 30px; text-align: center; }.entry-page h1 { font-family: var(--f-body); font-size: 30px; margin-bottom: 10px; }.entry-page p { color: var(--muted); font-size: 13px; }.entry-page nav { display: flex; justify-content: center; gap: 20px; margin-top: 24px; }.entry-page a { color: var(--accent-text); }
@media (min-width: 1400px) { .start-screen { padding-top: 36px; } }
@media (max-width: 1000px) { .hero-grid { column-gap: 24px; padding: 28px; }.hero-copy h1 { font-size: 43px; }.header-local { display: none; }.site-brand { min-width: 210px; }.hero-figure { min-height: 0; width: 57%; } }
@media (max-width: 720px) { .start-screen { padding: 26px 20px 0; }.hero-grid { grid-template-columns: minmax(0,1fr); row-gap: 24px; padding: 24px; }.hero-copy { grid-area: 1/1; }.hero-import { grid-area: 2/1; }.hero-figure { position: relative; grid-area: 3/1; width: calc(100% + 48px); margin: 0 -24px -24px; height: 270px; min-height: 0; }.hero-figure img { object-position: 50% 33%; -webkit-mask-image: linear-gradient(180deg, transparent, #000 24%); mask-image: linear-gradient(180deg, transparent, #000 24%); }.hero-figure figcaption { font-size: 12px; top: 32px; bottom: auto; left: 16px; max-width: 155px; padding: 10px 12px; }.hero-note { bottom: 15px; right: 15px; font-size: 9px; }.hero-copy h1 { font-size: 42px; margin: 16px 0 12px; }.hero-lead { font-size: 13px; max-width: 100%; }.hero-points { margin-top: 12px; }.explain { margin-top: 36px; }.feature-grid { grid-template-columns: 1fr; gap: 25px; }.feature-grid p { min-height: 0; }.mini-chart { max-width: 220px; }.mini-stack { max-width: 280px; }.faq { grid-template-columns: 1fr; gap: 22px; margin-top: 32px; }.site-brand { min-width: 0; }.site-brand b { font-size: 16px; }.site-brand > div > span { font-size: 9px; }.site-controls { gap: 9px; }.site-mark { width: 30px; height: 30px; font-size: 18px; }.site-mark > span { font-size: 15px; }.app-header { gap: 9px; padding-inline: 14px; }.app-shell.has-data .site-brand > div > span { display: none; }.app-shell.has-data .site-mark { display: none; }.app-shell.has-data .site-brand b { font-size: 12px; }.app-shell.has-data .site-controls { margin-left: 0; }.app-shell.has-data #open-import { margin-left: 0; }.app-shell.has-data #home-menu-toggle { margin-left: auto; }.site-footer { margin-top: 30px; }.site-footer nav { gap: 17px; } }
@media (max-width: 380px) { .hero-copy h1 { font-size: 36px; }.site-brand b { font-size: 14px; }.app-shell.has-data .theme-toggle { display: none; }.start-screen { padding-inline: 15px; } }
@media (prefers-reduced-motion: reduce) { html,.start-screen { scroll-behavior: auto; }*,*::before,*::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
.start-screen .btn.primary { background: var(--action); border-color: var(--action); color: var(--action-fg); }

/* Landing-to-analyzer cross-origin call to action; no network request until clicked. */
.landing-actions { margin: 16px 0 0; display: flex; align-items: center; gap: 12px; }
.landing-actions .landing-open { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 22px; background: var(--action); color: var(--action-fg); border: 1px solid var(--action); border-radius: 9px; font-weight: 650; font-size: 13px; cursor: pointer; }
.landing-actions .landing-open:hover { filter: brightness(.96); }

/* Dedicated analyzer entry: no marketing hero, only a focused local file loader. */
.analyzer-page .analyzer-start {
  display: flex;
  min-height: 0;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 42px 20px;
  overflow-y: auto;
}
.analyzer-page .analyzer-start .start-intro { width: min(100%, 620px); text-align: center; }
.analyzer-page .analyzer-start .start-intro h1 { font-size: clamp(27px, 3vw, 38px); margin: 0; letter-spacing: -.025em; }
.analyzer-page .analyzer-start .start-intro p { color: var(--muted); font-size: 14px; line-height: 1.6; }
.analyzer-page .analyzer-start .start-intro .start-eyebrow { font-size: 11px; color: var(--accent-text); }
.analyzer-page .analyzer-upload { width: min(100%, 650px); }
.analyzer-page .analyzer-upload .loader { width: 100%; background: var(--panel); border: 1px solid var(--line); padding: 14px; box-shadow: 0 10px 38px #00000007; }
.analyzer-page .analyzer-upload .drop { padding: 36px 22px; gap: 15px; }
.analyzer-page .analyzer-upload .drop .upload-icon { width: 42px; height: 42px; }
.analyzer-page .analyzer-upload .drop h2 { font-size: 17px; }
.analyzer-page .analyzer-upload .drop p { font-size: 13px; }
.analyzer-page .analyzer-upload .drop .btn { font-size: 13px; padding: 11px 18px; }
.analyzer-page .analyzer-start .start-privacy { max-width: 620px; color: var(--muted); font-size: 12px; }
@media (max-width: 720px) {
  .analyzer-page .analyzer-start { justify-content: flex-start; padding: 32px 16px; gap: 20px; }
  .analyzer-page .analyzer-upload .drop { padding: 28px 14px; }
}

/* The landing has a direct analyzer entry in its header as well as in the hero. */
.landing-page .header-analyzer-link { display: inline-flex; align-items: center; justify-content: center; padding: 8px 13px; border: 1px solid var(--line); border-radius: 8px; color: var(--fg); background: var(--bg); font-size: 12px; font-weight: 600; white-space: nowrap; margin-left: auto; }
.landing-page .header-analyzer-link:hover { border-color: var(--accent-text); color: var(--accent-text); }
.landing-page .site-controls { margin-left: 0; }
@media (max-width: 520px) { .landing-page .header-analyzer-link { padding: 7px 9px; font-size: 11px; }.landing-page .app-header { padding-inline: 10px; gap: 7px; }.landing-page .site-brand b { font-size: 13px; }.landing-page .site-brand { gap: 6px; } }
@media (max-width: 350px) { .landing-page .header-analyzer-link { display: none; } }