/* Shared brand shell for all free tools (U1–U9, hub, SK/EN). Markup: src/web/tools-shell.mjs.
   Requires /archive-v2/tokens.css (semantic tokens + self-hosted Fraunces/Geist). Page-specific CSS
   (tools-styles.css, tools-nace.css, tools-accounting.css) may only add layout, never new colours. */

:root { --tl-shell: 1120px; --tl-pad: clamp(16px, 4vw, 28px); --tl-radius-card: 16px; --tl-radius-hero: 22px;
  --tl-hair: color-mix(in srgb, var(--fg-1) 10%, transparent); --tl-hair-2: color-mix(in srgb, var(--fg-1) 18%, transparent);
  --tl-shadow: 0 8px 30px -16px rgba(26, 24, 20, .18); --tl-glow: 0 6px 20px -8px color-mix(in srgb, var(--accent) 55%, transparent);
  --tl-ease: cubic-bezier(.2, .7, .2, 1);
  /* Brand status colours (readme: good #0a7a40 / warn #a8741a / bad #b34530). tokens.css --positive is legacy ochre, so not used here. */
  --tl-good: #0a7a40; --tl-good-tint: rgba(10, 122, 64, .08); --tl-warn: #a8741a; --tl-warn-tint: rgba(168, 116, 26, .09); --tl-bad: #b34530; --tl-bad-tint: rgba(179, 69, 48, .08); }
:root[data-theme="dark"] { --tl-good: #4dbf80; --tl-good-tint: rgba(77, 191, 128, .12); --tl-warn: #e0a84a; --tl-warn-tint: rgba(224, 168, 74, .12); --tl-bad: #e57a62; --tl-bad-tint: rgba(229, 122, 98, .12); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --tl-good: #4dbf80; --tl-good-tint: rgba(77, 191, 128, .12); --tl-warn: #e0a84a; --tl-warn-tint: rgba(224, 168, 74, .12); --tl-bad: #e57a62; --tl-bad-tint: rgba(229, 122, 98, .12); } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg-canvas); color: var(--fg-1); font-family: var(--font-sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
::selection { background: var(--accent); color: var(--fg-on-accent, #fff); }
a { color: var(--accent); text-underline-offset: .2em; text-decoration-thickness: 1px; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.tl-icon { flex: 0 0 auto; display: inline-block; vertical-align: -.15em; }

/* --- Theme-dependent brand assets -------------------------------------------------------- */
.tl-only-dark { display: none !important; }
:root[data-theme="dark"] .tl-only-light { display: none !important; }
:root[data-theme="dark"] .tl-only-dark { display: block !important; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tl-only-light { display: none !important; }
  :root:not([data-theme="light"]) .tl-only-dark { display: block !important; }
}

/* --- Skip link + topbar ------------------------------------------------------------------- */
.tl-skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 8px 14px; border-radius: 999px; background: var(--fg-1); color: var(--bg-canvas); text-decoration: none; }
.tl-skip:focus { top: 12px; }
.tl-topbar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--tl-hair);
  background: color-mix(in srgb, var(--bg-canvas) 86%, transparent); backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%); }
.tl-topbar-in { max-width: var(--tl-shell); margin: auto; padding: 12px var(--tl-pad); display: flex; align-items: center; gap: 24px; }
.tl-brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; flex: 0 0 auto; }
.tl-brand-mark { display: block; width: 19px; height: auto; aspect-ratio: 56 / 84; transform: translateY(6.7%); }
.tl-brand-word { display: block; width: 122px; height: auto; }
.tl-brand--small .tl-brand-mark { width: 14px; }
.tl-brand--small .tl-brand-word { width: 96px; }
.tl-nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.tl-nav a { padding: 6px 12px; border-radius: 999px; color: var(--fg-2); font-size: 14px; text-decoration: none; transition: background .15s var(--tl-ease), color .15s var(--tl-ease); }
.tl-nav a:hover { background: var(--bg-hover, rgba(26, 24, 20, .04)); color: var(--fg-1); }
.tl-nav a[aria-current="page"] { color: var(--accent); }
.tl-theme { display: inline-grid; place-items: center; width: 36px; height: 36px; padding: 0; min-height: 0; border: 1px solid var(--tl-hair-2); border-radius: 999px; background: var(--bg-surface); color: var(--fg-2); cursor: pointer; }
.tl-theme:hover { color: var(--fg-1); border-color: var(--border-strong, var(--tl-hair-2)); }

/* --- Page frame --------------------------------------------------------------------------- */
.tl-main { max-width: var(--tl-shell); margin: auto; padding: clamp(24px, 5vw, 48px) var(--tl-pad) clamp(56px, 8vw, 96px); }
.tl-kicker { margin: 0; font-family: var(--font-mono); font-size: 11.5px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3, var(--fg-2)); }
.tl-section-head { display: flex; align-items: center; gap: 16px; margin: 0 0 16px; }
.tl-section-head::after { content: ""; flex: 1; height: 1px; background: var(--tl-hair); order: 1; }
.tl-section-head > a { order: 2; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; text-decoration: none; white-space: nowrap; }
.tl-main h1, .tl-main h2, .tl-main h3 { font-family: var(--font-display); font-weight: 400; letter-spacing: -.01em; color: var(--fg-1); text-wrap: balance; }
.tl-main h2 { font-size: clamp(1.5rem, 2.6vw, 1.85rem); line-height: 1.15; margin: 0 0 12px; }
.tl-main h3 { font-size: 1.25rem; line-height: 1.2; margin: 0 0 8px; }
.tl-main h2.tl-kicker, .tl-main h3.tl-kicker { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em; line-height: 1.4; margin: 0; color: var(--fg-3, var(--fg-2)); }
.tl-main p { max-width: 72ch; }
.tl-section { margin: clamp(32px, 5vw, 56px) 0; }

/* --- Language switcher (SK/EN tool pages; markup in src/tools-localization.mjs + src/tools-nace-page.mjs) --- */
.tl-lang { display: flex; justify-content: flex-end; gap: 6px; margin: 0 0 12px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; }
.tl-lang a { padding: 4px 10px; border: 1px solid var(--tl-hair-2); border-radius: 999px; color: var(--fg-2); text-decoration: none; }
.tl-lang a:hover { border-color: var(--accent); color: var(--accent); }
.tl-lang a[aria-current="true"] { background: var(--fg-1); border-color: var(--fg-1); color: var(--bg-canvas); }

/* --- Breadcrumb + hero -------------------------------------------------------------------- */
.tl-crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 28px; padding: 0; list-style: none; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--fg-3, var(--fg-2)); }
.tl-crumbs li + li::before { content: "/"; margin-right: 6px; opacity: .6; }
.tl-crumbs a { color: inherit; text-decoration: none; }
.tl-crumbs a:hover { color: var(--accent); }
.tl-hero { margin: 0 0 clamp(28px, 4vw, 44px); }
.tl-hero-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(16px, 3vw, 28px); align-items: start; }
.tl-hero-tile { display: grid; place-items: center; width: clamp(52px, 6vw, 64px); aspect-ratio: 1; border-radius: 23%; background: var(--bg-surface); border: 1px solid var(--tl-hair-2); color: var(--fg-1); position: relative; box-shadow: var(--tl-shadow); margin-top: 6px; }
.tl-hero-tile::after { content: ""; position: absolute; right: -5px; bottom: -5px; width: 14px; height: 14px; border-radius: 23%; background: var(--accent); }
.tl-step { position: relative; width: 28px; height: 34px; }
.tl-step i { position: absolute; width: 11px; height: 11px; border-radius: 23%; background: var(--fg-1); }
.tl-step i:nth-child(1) { left: 0; top: 0; } .tl-step i:nth-child(2) { left: 13px; top: 12px; background: var(--accent); } .tl-step i:nth-child(3) { left: 0; top: 23px; }
.tl-hero:has(.tl-step) .tl-hero-tile::after { display: none; }
.tl-hero h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); line-height: .98; letter-spacing: -.02em; margin: 8px 0 16px; }
.tl-hero h1 em, .tl-hero h1 i { font-style: italic; color: var(--accent); }
.tl-lede { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--fg-2); margin: 0 0 16px; max-width: 62ch; }
.tl-privacy { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; padding: 6px 14px 6px 10px; border-radius: 999px; background: var(--tl-good-tint); color: var(--tl-good); font-size: 13px; font-weight: 500; }
.tl-hero-note { margin: 10px 0 0; font-size: 13px; color: var(--fg-3, var(--fg-2)); max-width: 72ch; }

/* --- Cards ---------------------------------------------------------------------------------- */
.tl-card { display: block; padding: clamp(20px, 3vw, 28px); background: var(--bg-surface); border: 1px solid var(--tl-hair-2); border-radius: var(--tl-radius-card); color: var(--fg-1); }
.tl-card--link { text-decoration: none; transition: border-color .15s var(--tl-ease), box-shadow .25s var(--tl-ease), transform .15s var(--tl-ease); display: flex; flex-direction: column; gap: 4px; }
.tl-card--link:hover { border-color: var(--border-strong, var(--fg-3)); box-shadow: var(--tl-shadow); }
.tl-card--link:active { transform: translateY(1px) scale(.99); }
.tl-card--link h3 { margin: 12px 0 4px; }
.tl-card--link p { margin: 0 0 12px; color: var(--fg-2); font-size: 15px; }
.tl-card-icon, .tl-related-icon { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 23%; background: var(--bg-sunken, var(--bg-canvas)); border: 1px solid var(--tl-hair); color: var(--fg-1); }
.tl-card--link:hover .tl-card-icon { color: var(--accent); }
.tl-card-cta { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 14px; font-weight: 500; }
.tl-card--link:hover .tl-card-cta .tl-icon { transform: translateX(2px); }
.tl-card-cta .tl-icon { transition: transform .15s var(--tl-ease); }
.tl-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.tl-group + .tl-group { margin-top: 40px; }
.tl-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 20px; align-items: start; }

/* --- Forms ---------------------------------------------------------------------------------- */
.tl-main label { display: block; margin: 0 0 6px; font-size: 14px; font-weight: 500; color: var(--fg-1); }
.tl-main input[type="text"], .tl-main input[type="number"], .tl-main input[type="date"], .tl-main input:not([type]), .tl-main select, .tl-main textarea {
  width: 100%; min-height: 46px; padding: 10px 14px; margin: 0 0 14px; font: inherit; font-size: 16px; color: var(--fg-1);
  background: var(--bg-canvas); border: 1px solid var(--tl-hair-2); border-radius: 8px; transition: border-color .15s var(--tl-ease), box-shadow .15s var(--tl-ease); }
.tl-main input[type="text"], .tl-main input[inputmode="numeric"], .tl-main input[type="number"] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tl-main input::placeholder, .tl-main textarea::placeholder { color: var(--fg-3, var(--fg-2)); opacity: .8; }
.tl-main input:hover, .tl-main select:hover, .tl-main textarea:hover { border-color: var(--fg-3, var(--tl-hair-2)); }
.tl-main input:focus, .tl-main select:focus, .tl-main textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
.tl-main input[aria-invalid="true"] { border-color: var(--tl-bad); }
.tl-main input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--accent); }
.tl-main fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.tl-hint { margin: -8px 0 14px; font-size: 13px; color: var(--fg-3, var(--fg-2)); }

/* --- Buttons -------------------------------------------------------------------------------- */
.tl-main button, .tl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 20px; font: inherit; font-size: 15px; font-weight: 500;
  border-radius: 999px; border: 1px solid var(--tl-hair-2); background: var(--bg-surface); color: var(--fg-1); cursor: pointer; text-decoration: none;
  transition: background .15s var(--tl-ease), border-color .15s var(--tl-ease), box-shadow .25s var(--tl-ease), transform .15s var(--tl-ease); }
.tl-main button:hover, .tl-btn:hover { border-color: var(--fg-3, var(--tl-hair-2)); background: var(--bg-hover, var(--bg-surface)); }
.tl-main button:active, .tl-btn:active { transform: translateY(1px) scale(.99); }
.tl-main button[type="submit"], .tl-btn--primary { background: var(--accent); border-color: var(--accent); color: var(--fg-on-accent, #fff); box-shadow: var(--tl-glow); }
.tl-main button[type="submit"]:hover, .tl-btn--primary:hover { background: var(--accent-hover, var(--accent)); border-color: var(--accent-hover, var(--accent)); }
.tl-main button:disabled, .tl-btn[aria-disabled="true"] { cursor: default; opacity: .55; box-shadow: none; transform: none; }
.tl-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* --- Result panel: [data-state] = valid | invalid | info | (empty) ---------------------------- */
.tl-result:empty, [role="status"]:empty { display: none; }
.tl-result, .tl-main [role="status"]:not(:empty) { margin: 16px 0 0; padding: 14px 16px 14px 44px; position: relative; border-radius: 12px; border: 1px solid var(--tl-hair-2); background: var(--bg-sunken, var(--bg-canvas)); font-size: 15px; line-height: 1.5; }
.tl-main [role="status"]:not(:empty)::before { content: ""; position: absolute; left: 18px; top: 21px; width: 10px; height: 10px; border-radius: 23%; background: var(--fg-3, var(--fg-2)); }
/* Success stays calm (surface + green block); only invalid/warn tint the whole panel to pull attention. */
.tl-main [role="status"][data-state="valid"] { background: var(--bg-surface); border-color: color-mix(in srgb, var(--tl-good) 35%, var(--tl-hair-2)); }
.tl-main [role="status"][data-state="valid"]::before { background: var(--tl-good); }
.tl-main [role="status"][data-state="invalid"] { background: var(--tl-bad-tint); border-color: color-mix(in srgb, var(--tl-bad) 30%, transparent); }
.tl-main [role="status"][data-state="invalid"]::before { background: var(--tl-bad); }
.tl-main [role="status"][data-state="warn"] { background: var(--tl-warn-tint); border-color: color-mix(in srgb, var(--tl-warn) 30%, transparent); }
.tl-main [role="status"][data-state="warn"]::before { background: var(--tl-warn); }
.tl-main [role="status"] strong { font-weight: 600; }
.tl-out { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* --- Answer callout (the "how it works" paragraph AEO quotes) ---------------------------------- */
.tl-answer { padding: clamp(20px, 3vw, 28px); border-radius: var(--tl-radius-card); background: var(--bg-surface); border: 1px solid var(--tl-hair); }
.tl-answer h2 { font-size: 1.35rem; }
.tl-answer p { color: var(--fg-2); margin: 0 0 10px; }
.tl-answer p:last-child { margin-bottom: 0; }

/* --- Sources -------------------------------------------------------------------------------- */
.tl-sources { margin: clamp(40px, 6vw, 64px) 0 0; }
.tl-source-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.tl-source { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--tl-hair-2); border-radius: 999px; font-size: 13.5px; color: var(--fg-1); text-decoration: none; background: var(--bg-surface); }
.tl-source:hover { border-color: var(--accent); color: var(--accent); }
.tl-source .tl-icon { color: var(--fg-3, var(--fg-2)); }
.tl-verified { order: 2; display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3, var(--fg-2)); white-space: nowrap; }
.tl-disclosure { margin-top: 16px; border-top: 1px dashed var(--tl-hair-2); }
.tl-disclosure summary { cursor: pointer; padding: 12px 0; font-size: 14px; font-weight: 500; color: var(--fg-2); list-style: none; display: flex; align-items: center; gap: 8px; }
.tl-disclosure summary::-webkit-details-marker { display: none; }
.tl-disclosure summary::before { content: "+"; display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 23%; border: 1px solid var(--tl-hair-2); font-family: var(--font-mono); font-size: 12px; line-height: 1; }
.tl-disclosure[open] summary::before { content: "−"; }
.tl-disclosure-body { padding: 0 0 8px; color: var(--fg-2); font-size: 15px; }
.tl-disclosure-body ul { padding-left: 1.2em; }
.tl-disclosure-body li { margin: 4px 0; }

/* --- Next-step CTA ---------------------------------------------------------------------------- */
.tl-next { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: start; padding: clamp(20px, 3vw, 32px); border-radius: var(--tl-radius-hero); background: var(--bg-surface); border: 1px solid var(--tl-hair-2); margin: clamp(40px, 6vw, 64px) 0 0; }
.tl-next > .tl-card-icon { width: 48px; height: 48px; color: var(--accent); }
.tl-next h2 { font-size: 1.5rem; }
.tl-next p { color: var(--fg-2); margin: 0 0 14px; }

/* --- Related tools + footer ------------------------------------------------------------------- */
.tl-related { margin: clamp(48px, 7vw, 80px) 0 0; }
.tl-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.tl-related-card { display: flex; align-items: center; gap: 12px; padding: 10px 14px 10px 10px; border: 1px solid var(--tl-hair); border-radius: 12px; background: var(--bg-surface); color: var(--fg-1); text-decoration: none; font-size: 14.5px; transition: border-color .15s var(--tl-ease); }
.tl-related-card > span:nth-child(2) { flex: 1; }
.tl-related-card > .tl-icon { color: var(--fg-3, var(--fg-2)); transition: transform .15s var(--tl-ease); }
.tl-related-card:hover { border-color: var(--fg-3, var(--tl-hair-2)); }
.tl-related-card:hover > .tl-icon { transform: translateX(2px); color: var(--accent); }
.tl-related-icon { width: 34px; height: 34px; }
.tl-footer { border-top: 1px solid var(--tl-hair); margin-top: 24px; }
.tl-footer-in { max-width: var(--tl-shell); margin: auto; padding: 28px var(--tl-pad) 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.tl-footer p { flex: 1 1 320px; margin: 0; font-size: 13px; color: var(--fg-3, var(--fg-2)); }
.tl-footer nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.tl-footer nav a { color: var(--fg-2); font-size: 13px; text-decoration: none; }
.tl-footer nav a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .tl-topbar-in { gap: 12px; padding-top: 10px; padding-bottom: 10px; }
  .tl-nav { order: 3; width: 100%; margin: 0 -12px; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .tl-topbar-in { flex-wrap: wrap; }
  .tl-theme { margin-left: auto; }
  .tl-hero-row { grid-template-columns: 1fr; }
  .tl-hero-tile { width: 48px; }
  .tl-next { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }
@media print {
  .tl-topbar, .tl-skip, .tl-related, .tl-footer, .tl-theme, .tl-next, .tl-privacy { display: none !important; }
  body { background: #fff; color: #000; }
  .tl-main { padding: 0; max-width: none; }
  .tl-card, .tl-answer { border-color: #999; box-shadow: none; }
}