/* SG Works ERP website styles.
   One file, no frameworks. Colours come from the app itself (slate and amber).
   Sections: 1 fonts, 2 tokens, 3 base, 4 layout, 5 header, 6 buttons and chips, 7 home, 8 lists and figures,
   9 FAQ, 10 forms and tools, 11 long text (legal), 12 footer, 13 print and motion. */

/* 1. Fonts (self-hosted, trimmed to the characters the site uses, rupee sign included) */
@font-face {
  font-family: "Anek Latin";
  src: url("../fonts/anek-latin-text.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Anek Latin Narrow";
  src: url("../fonts/anek-latin-narrow-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* 2. Tokens. The plain values are the light theme and also serve browsers without light-dark(). */
:root {
  color-scheme: light dark;
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --text: #0F172A;
  --body: #334155;
  --muted: #475569;
  --line: #E2E8F0;
  --line-strong: #94A3B8;
  --control: #64748B;
  --accent: #F59E0B;
  --accent-hover: #FBBF24;
  --on-accent: #0F172A;
  --accent-text: #B45309;
  --band: #0F172A;
  --band-2: #1E293B;
  --band-text: #FFFFFF;
  --band-muted: #CBD5E1;
  --ok: #047857;
  --ok-bg: #ECFDF5;
  --soon: #92400E;
  --soon-bg: #FFFBEB;
  --soon-line: #FDE68A;
  --err: #B91C1C;
  --err-bg: #FEF2F2;
  --focus: #0F172A;
  --float-bg: #0F172A;
  --float-text: #FFFFFF;
  --amber: #F59E0B;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 14px 30px -16px rgba(15, 23, 42, .3);
  --radius: .5rem;
  --radius-lg: .75rem;
  --font: "Anek Latin", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
  --font-head: "Anek Latin Narrow", "Anek Latin", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
@supports (color: light-dark(#000, #fff)) {
  :root {
    --bg: light-dark(#F8FAFC, #0F172A);
    --surface: light-dark(#FFFFFF, #1E293B);
    --surface-2: light-dark(#F1F5F9, #172033);
    --text: light-dark(#0F172A, #F8FAFC);
    --body: light-dark(#334155, #CBD5E1);
    --muted: light-dark(#475569, #A3B1C6);
    --line: light-dark(#E2E8F0, #334155);
    --line-strong: light-dark(#94A3B8, #64748B);
    --control: light-dark(#64748B, #94A3B8);
    --accent: light-dark(#F59E0B, #FBBF24);
    --accent-hover: light-dark(#FBBF24, #FCD34D);
    --accent-text: light-dark(#B45309, #FCD34D);
    --band: light-dark(#0F172A, #020617);
    --band-2: light-dark(#1E293B, #0F172A);
    --ok: light-dark(#047857, #6EE7B7);
    --ok-bg: light-dark(#ECFDF5, #064E3B);
    --soon: light-dark(#92400E, #FDE68A);
    --soon-bg: light-dark(#FFFBEB, #422006);
    --soon-line: light-dark(#FDE68A, #854D0E);
    --err: light-dark(#B91C1C, #FCA5A5);
    --err-bg: light-dark(#FEF2F2, #450A0A);
    --focus: light-dark(#0F172A, #FBBF24);
    --float-bg: light-dark(#0F172A, #FBBF24);
    --float-text: light-dark(#FFFFFF, #0F172A);
    --shadow: 0 1px 2px light-dark(rgba(15, 23, 42, .06), rgba(0, 0, 0, .4)), 0 14px 30px -16px light-dark(rgba(15, 23, 42, .3), rgba(0, 0, 0, .7));
  }
}
/* The theme switch writes its choice into the color-scheme meta tag; these rules follow it. */
:root:has(> head > meta[name="color-scheme"][content="dark"]) { color-scheme: dark; }
:root:has(> head > meta[name="color-scheme"][content="light"]) { color-scheme: light; }

/* 3. Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  /* keeps the fallback font the same visual size as Anek Latin while the font file loads */
  font-size-adjust: 0.489;
  color: var(--body);
  background: var(--bg);
}
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.005em;
  color: var(--text);
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2.25rem, 1.45rem + 3.5vw, 3.6rem); line-height: 1.04; }
h2 { font-size: clamp(1.7rem, 1.3rem + 1.7vw, 2.4rem); }
h3 { font-size: 1.3rem; line-height: 1.2; }
h4 { font-size: 1.1rem; line-height: 1.25; }
p, ul, ol, dl, figure, table { margin: 0; }
p { text-wrap: pretty; }
a { color: var(--text); text-decoration-line: underline; text-decoration-color: var(--accent-text); text-decoration-thickness: .09em; text-underline-offset: .18em; }
a:hover { color: var(--accent-text); }
strong { font-weight: 600; color: var(--text); }
img, svg { max-width: 100%; }
img { height: auto; display: block; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: .2rem; }
::selection { background: #FDE68A; color: #0F172A; }
[hidden] { display: none !important; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--surface); color: var(--text);
  padding: .7rem 1rem; border-radius: var(--radius); border: 2px solid var(--focus); font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: .9375rem; }
.nowrap { white-space: nowrap; }

/* 4. Layout */
.wrap { width: 100%; max-width: 72rem; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.wrap--narrow { max-width: 48rem; }
.section { padding-block: clamp(2.75rem, 7vw, 5rem); }
.section--tight { padding-block: clamp(2rem, 5vw, 3rem); }
.section--alt { background: var(--surface); border-block: 1px solid var(--line); }
.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 1.75rem; }
.lede { font-size: 1.2rem; line-height: 1.5; max-width: 60ch; }
.section-head { max-width: 46rem; margin-bottom: clamp(1.5rem, 4vw, 2.25rem); }
.section-head p { margin-top: .75rem; }
.split { display: grid; gap: clamp(1.5rem, 4vw, 3rem); }
@media (min-width: 56rem) {
  .split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }
  .split--even { grid-template-columns: 1fr 1fr; }
  .split--flip > :first-child { order: 2; }
}
.cols { display: grid; gap: 1.25rem; }
@media (min-width: 40rem) { .cols--2, .cols--3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 60rem) { .cols--3 { grid-template-columns: repeat(3, 1fr); } }
.page-head { padding-block: clamp(2.25rem, 6vw, 4rem) clamp(1.25rem, 3vw, 2rem); }
.page-head h1 { max-width: 20ch; }
.page-head .lede { margin-top: 1rem; }
.crumbs { font-size: .9375rem; color: var(--muted); margin-bottom: .9rem; }
.crumbs a { color: var(--muted); }

/* 5. Header and navigation */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: .5rem 1rem; min-height: 4rem; }
.site-logo { display: inline-flex; align-items: center; margin-right: auto; padding-block: .5rem; color: var(--text); text-decoration: none; }
.wordmark { display: block; height: 1.7rem; width: auto; }
.wm-main { fill: currentColor; }
.wm-erp { fill: var(--muted); }
.wm-rule { fill: var(--amber); }
.header-login { font-weight: 600; padding: .65rem .5rem; white-space: nowrap; }
.menu-button {
  display: inline-flex; align-items: center; gap: .5rem; min-height: 2.75rem; padding: .5rem .8rem;
  font: inherit; font-weight: 600; color: var(--text); background: transparent;
  border: 1.5px solid var(--control); border-radius: var(--radius); cursor: pointer;
}
.menu-button svg { width: 1.15rem; height: 1.15rem; }
.site-menu { list-style: none; margin: 0; padding: .5rem; }
.site-menu a { display: block; padding: .7rem .75rem; border-radius: .4rem; text-decoration: none; color: var(--text); font-weight: 500; }
.site-menu a:hover { background: var(--surface-2); color: var(--text); }
.site-menu a[aria-current="page"] { font-weight: 700; box-shadow: inset 3px 0 0 var(--amber); }
.site-menu .nav-cta { padding: .5rem .25rem .25rem; }
.site-menu .nav-cta .btn { display: flex; }
.site-menu .nav-rule { height: 1px; background: var(--line); margin: .4rem .5rem; padding: 0; }
@media (max-width: 69.99rem) {
  .site-menu {
    position: fixed; inset: auto; inset-block-start: 4.5rem; inset-inline-end: 1rem;
    inline-size: min(22rem, calc(100vw - 2rem));
    max-block-size: calc(100vh - 6rem); max-block-size: calc(100dvh - 6rem);
    overflow: auto; background: var(--surface); color: var(--text);
    border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow);
  }
  /* browsers without the popover feature: the script opens and closes the menu with a class */
  .js .site-menu:not([popover]):not(.is-open) { display: none; }
  .site-menu .nav-login { display: none; }
}
@media (min-width: 70rem) {
  .menu-button, .header-login--bar, .site-menu .nav-more, .site-menu .nav-rule { display: none; }
  .site-nav { flex: 1; margin-left: 1.5rem; }
  .site-menu {
    position: static; display: flex; align-items: center; gap: .15rem; inline-size: auto; max-inline-size: none;
    block-size: auto; max-block-size: none; overflow: visible; margin: 0; padding: 0; border: 0;
    background: transparent; box-shadow: none; color: inherit;
  }
  .site-menu a { padding: .55rem .7rem; white-space: nowrap; }
  .site-menu a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--amber); border-radius: .2rem; }
  .site-menu .nav-login { margin-left: auto; }
  .site-menu .nav-cta { padding: 0 0 0 .5rem; }
  .site-menu .nav-cta .btn { display: inline-flex; min-height: 2.6rem; padding: .5rem 1rem; }
}

/* 6. Buttons, chips, notes */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 3rem;
  padding: .7rem 1.3rem; border-radius: var(--radius); border: 1.5px solid transparent;
  font: inherit; font-weight: 600; line-height: 1.2; text-align: center; text-decoration: none; cursor: pointer;
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--text); }
.btn--ghost:hover { background: var(--surface-2); color: var(--text); }
.btn--block { display: flex; width: 100%; }
.btn svg { width: 1.2rem; height: 1.2rem; flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.actions--stack { flex-direction: column; align-items: stretch; }
@media (min-width: 30rem) { .actions--stack { flex-direction: row; align-items: center; } }
.chip {
  display: inline-flex; align-items: center; gap: .4rem; padding: .2rem .7rem; border-radius: 999px;
  font-size: .875rem; font-weight: 600; line-height: 1.35; white-space: nowrap;
}
.chip--live { background: var(--ok-bg); color: var(--ok); }
.chip--live::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: currentColor; }
.chip--soon { background: var(--soon-bg); color: var(--soon); box-shadow: inset 0 0 0 1px var(--soon-line); }
.chip--type { background: var(--surface-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.more a { display: inline-block; padding-block: .3rem; }
.note {
  border-left: 4px solid var(--amber); background: var(--surface); padding: .9rem 1.1rem;
  border-radius: 0 var(--radius) var(--radius) 0; box-shadow: inset 0 0 0 1px var(--line);
}
.note > * + * { margin-top: .5rem; }
.empty { padding: 1.5rem; border: 1.5px dashed var(--line-strong); border-radius: var(--radius-lg); color: var(--muted); }

/* 7. Home: hero and the live invoice */
.hero { padding-block: clamp(2rem, 5vw, 3.75rem) clamp(2.5rem, 6vw, 4.5rem); }
.hero__grid { display: grid; gap: clamp(1.75rem, 4vw, 3rem); align-items: center; }
@media (min-width: 62rem) { .hero__grid { grid-template-columns: minmax(0, 11fr) minmax(0, 10fr); } }
.hero h1 span { display: block; }
.hero .lede { margin-top: 1.1rem; }
.hero .actions { margin-top: 1.6rem; }
.hero__login { margin-top: 1.1rem; }

.demo { background: var(--band); color: var(--band-text); border-radius: var(--radius-lg); padding: clamp(1rem, 3vw, 1.5rem); }
.demo__controls { display: grid; gap: .75rem 1rem; margin-bottom: 1rem; }
@media (min-width: 30rem) { .demo__controls { grid-template-columns: 1fr 1fr; } }
.demo .field > label { display: block; font-weight: 600; margin-bottom: .3rem; color: var(--band-text); }
.demo select {
  width: 100%; min-height: 2.9rem; padding: .5rem .7rem; font: inherit; font-size: max(1rem, 1em);
  color: #0F172A; background: #FFFFFF; border: 2px solid transparent; border-radius: var(--radius); color-scheme: light;
}
.demo .field--primary select { border-color: var(--amber); }
.demo :focus-visible { outline-color: #FBBF24; }
.demo__note { margin-top: 1rem; color: var(--band-muted); font-size: .9375rem; }
.demo__why { margin-top: .9rem; font-weight: 500; }

/* the invoice is paper: it stays light in the dark theme too */
.sheet {
  color-scheme: light; background: #FFFFFF; color: #0F172A; border-radius: .2rem; padding: clamp(.9rem, 3vw, 1.35rem);
  font-size: .95rem; line-height: 1.4; font-variant-numeric: tabular-nums;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .25), 0 16px 30px -14px rgba(0, 0, 0, .6);
}
.sheet__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; border-bottom: 2px solid #0F172A; padding-bottom: .4rem; }
.sheet__title { font-family: var(--font-head); font-weight: 700; font-size: 1.35rem; line-height: 1.1; }
.sheet__tag { color: #475569; font-size: .85rem; }
.sheet__parties { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; padding-block: .7rem; }
.sheet__parties small { display: block; color: #475569; font-size: .85rem; }
.sheet__parties b { display: block; font-weight: 600; }
.sheet__parties span { display: block; overflow-wrap: anywhere; }
.sheet__lines { list-style: none; margin: 0; padding: 0; border-top: 1px solid #0F172A; }
.line { display: grid; grid-template-columns: 1fr auto; gap: .15rem .75rem; padding: .55rem 0; border-bottom: 1px solid #E2E8F0; align-items: baseline; }
.line__name { font-weight: 600; }
.line__amount { text-align: right; }
.line__meta { color: #475569; font-size: .85rem; grid-column: 1 / -1; }
.line__edit { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: .35rem .6rem; color: #334155; }
.line__edit label { display: inline-flex; align-items: center; gap: .35rem; margin: 0; font-weight: 500; color: #334155; font-size: .9rem; }
.line__edit input {
  width: 5.2rem; min-height: 2.4rem; padding: .25rem .5rem; font: inherit; font-size: max(1rem, 1em); text-align: right;
  color: #0F172A; background: #F8FAFC; border: 1.5px solid #64748B; border-radius: .35rem; font-variant-numeric: tabular-nums;
}
.line__edit input:focus-visible { outline-color: #0F172A; }
.sheet__tax { margin-top: .6rem; margin-left: auto; width: min(100%, 17.5rem); }
.tax-row { display: flex; justify-content: space-between; gap: 1rem; padding: .22rem .5rem; }
.tax-row--hl { background: #FFFBEB; box-shadow: inset 3px 0 0 #F59E0B; }
.tax-row--total { margin-top: .3rem; padding-block: .35rem; font-weight: 700; font-size: 1.08rem; border-top: 1px solid #0F172A; border-bottom: 3px double #0F172A; }
.sheet__words { margin-top: .6rem; color: #475569; font-size: .88rem; }
@media (prefers-reduced-motion: no-preference) {
  .sheet__tax.is-changing .tax-row--hl { animation: tax-in .45s ease-out both; }
  @keyframes tax-in { from { opacity: 0; transform: translateY(-.4rem); background: #FDE68A; } to { opacity: 1; transform: none; } }
}

/* the path from quotation to GST return: a real sequence, so it is numbered */
.flow { list-style: none; padding: 0; counter-reset: step; display: grid; gap: 0; }
.flow li { counter-increment: step; position: relative; padding: 0 0 1.4rem 3.2rem; }
.flow li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 2.1rem; height: 2.1rem; border-radius: 50%;
  display: grid; place-items: center; background: var(--band); color: var(--band-text); font-weight: 700; font-family: var(--font-head);
}
.flow li::after { content: ""; position: absolute; left: 1.02rem; top: 2.3rem; bottom: .2rem; width: 2px; background: var(--line-strong); }
.flow li:last-child { padding-bottom: 0; }
.flow li:last-child::after { display: none; }
.flow h3 { font-size: 1.15rem; padding-top: .3rem; }
.flow p { margin-top: .25rem; }
@media (min-width: 60rem) {
  .flow--row { grid-template-columns: repeat(5, 1fr); gap: 1.25rem; }
  .flow--row li { padding: 3rem 0 0; }
  .flow--row li::after { left: 2.5rem; right: -1.25rem; top: 1.02rem; bottom: auto; width: auto; height: 2px; }
}

/* 8. Ledger rows, module list, facts, screenshots, band */
.ledger { list-style: none; padding: 0; border-top: 2px solid var(--text); }
.ledger__row { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; align-items: center; padding: .8rem .2rem; border-bottom: 1px solid var(--line); }
.ledger__name { display: block; font-weight: 600; color: var(--text); }
.ledger__text { display: block; color: var(--muted); font-size: .97em; }
.ledger__row a { font-weight: 600; }

.mods { list-style: none; padding: 0; display: grid; gap: 0; border-top: 2px solid var(--text); }
@media (min-width: 46rem) { .mods { grid-template-columns: 1fr 1fr; column-gap: 2.5rem; } }
.mods a { display: block; padding: 1rem .2rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.mods a:hover .mods__name { color: var(--accent-text); }
.mods__name { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: var(--text); }
.mods__count { font-family: var(--font); font-weight: 500; font-size: .9rem; color: var(--muted); white-space: nowrap; }
.mods__text { display: block; margin-top: .2rem; color: var(--body); }

.facts { display: grid; gap: 1.25rem 2.5rem; }
@media (min-width: 46rem) { .facts { grid-template-columns: 1fr 1fr; } }
.facts > div { border-top: 2px solid var(--text); padding-top: .8rem; }
.facts dt, .facts h2, .facts h3 { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; color: var(--text); }
.facts dd, .facts p { margin: .3rem 0 0; }

.shot img { width: 100%; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--surface-2); }
.shot figcaption { margin-top: .5rem; font-size: .9375rem; color: var(--muted); }
.shot--phone { max-width: 17rem; }
.shot--phone img { border-radius: 1.5rem; border-width: 2px; }

.band { background: var(--band); color: var(--band-muted); }
.band h2, .band h3, .band strong { color: var(--band-text); }
.band a:not(.btn) { color: var(--band-text); text-decoration-color: #FBBF24; }
.band .btn--ghost { color: var(--band-text); border-color: var(--band-text); }
.band .btn--ghost:hover { background: var(--band-2); }
.band :focus-visible { outline-color: #FBBF24; }
.band__inner { display: grid; gap: 1.25rem; align-items: center; }
@media (min-width: 50rem) { .band__inner { grid-template-columns: 1fr auto; } }

.tiles { list-style: none; padding: 0; display: grid; gap: 1rem; }
@media (min-width: 46rem) { .tiles { grid-template-columns: repeat(3, 1fr); } .tiles--2 { grid-template-columns: 1fr 1fr; } }
.tile { display: block; height: 100%; padding: 1.2rem 1.25rem 1.3rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); text-decoration: none; }
a.tile:hover { border-color: var(--text); color: inherit; }
.tile h2, .tile h3 { font-size: 1.3rem; line-height: 1.2; text-decoration: underline; text-decoration-color: var(--accent-text); text-decoration-thickness: .08em; text-underline-offset: .18em; }
.tile p { margin-top: .4rem; color: var(--body); }

.log { list-style: none; padding: 0; border-top: 2px solid var(--text); }
.log > li { display: grid; gap: .3rem 2rem; padding: 1.1rem .2rem; border-bottom: 1px solid var(--line); }
@media (min-width: 46rem) { .log > li { grid-template-columns: 11rem 1fr; } }
.log time { font-weight: 600; color: var(--text); }
.log h3 { display: inline; font-size: 1.15rem; margin-left: .5rem; }
.log p { margin-top: .35rem; }
.log__item + .log__item { margin-top: .9rem; }

/* 9. FAQ (plain details elements; the marker sits before the question) */
.faq { border-top: 2px solid var(--text); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item > summary {
  list-style: none; display: flex; align-items: baseline; gap: .8rem; padding: .95rem .2rem; cursor: pointer;
  font-weight: 600; color: var(--text); font-size: 1.08rem;
}
.faq__item > summary::-webkit-details-marker { display: none; }
.faq__item > summary::before {
  content: ""; flex: none; width: .55em; height: .55em; margin-left: .15em; border-right: 2.5px solid currentColor;
  border-bottom: 2.5px solid currentColor; transform: translateY(-.1em) rotate(-45deg);
}
.faq__item[open] > summary::before { transform: translateY(-.2em) rotate(45deg); }
.faq__a { padding: 0 .2rem 1.1rem 1.7rem; max-width: 68ch; }
.faq__a > * + * { margin-top: .6rem; }
@media (prefers-reduced-motion: no-preference) {
  .faq__item > summary::before { transition: transform .2s; }
  .faq__item::details-content { interpolate-size: allow-keywords; overflow: clip; contain: layout; transition: block-size .25s ease-in-out, content-visibility .25s; transition-behavior: allow-discrete; }
  .faq__item:not([open])::details-content { block-size: 0; }
}

/* 10. Forms and tools */
.field > label, .field > .label { display: block; font-weight: 600; color: var(--text); margin-bottom: .3rem; }
.hint { display: block; color: var(--muted); font-size: .9375rem; margin-bottom: .4rem; }
.input, .select {
  width: 100%; min-height: 3rem; padding: .6rem .8rem; font: inherit; font-size: max(1rem, 1em); color: var(--text);
  background: var(--surface); border: 1.5px solid var(--control); border-radius: var(--radius);
}
.input:is(:user-invalid, .is-invalid), .input[aria-invalid="true"] { border-color: var(--err); background: var(--err-bg); }
.error-msg { display: none; margin-top: .45rem; color: var(--err); font-weight: 500; }
.error-msg.is-shown { display: block; }
.error-msg::before { content: "Error: "; font-weight: 700; }
.form-grid { display: grid; gap: 1rem; }
@media (min-width: 40rem) { .form-grid--2 { grid-template-columns: 1fr 1fr; } .form-grid--2 .span-2 { grid-column: 1 / -1; } }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { padding: 0; font-weight: 600; color: var(--text); margin-bottom: .4rem; }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1rem, 3vw, 1.5rem); }
.tool { display: grid; gap: 1.25rem; align-items: start; }
@media (min-width: 56rem) { .tool { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.choice span {
  display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; min-width: 3.4rem; padding: .4rem .9rem;
  border: 1.5px solid var(--control); border-radius: var(--radius); background: var(--surface); color: var(--text); font-weight: 600;
}
.choice input:checked + span { background: var(--band); color: var(--band-text); border-color: var(--band); box-shadow: inset 0 -4px 0 var(--amber); }
.choice input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.choices--wide .choice { flex: 1 1 14rem; }
.choices--wide .choice span { width: 100%; justify-content: flex-start; text-align: left; font-weight: 500; padding: .6rem .9rem; }
.rate-custom { display: flex; align-items: center; gap: .5rem; margin-top: .6rem; }
.rate-custom .input { width: 7rem; }

.result { font-variant-numeric: tabular-nums; }
.result__rows { border-top: 2px solid var(--text); }
.result__row { display: flex; justify-content: space-between; gap: 1rem; padding: .6rem .2rem; border-bottom: 1px solid var(--line); }
.result__row span:last-child { color: var(--text); font-weight: 500; text-align: right; }
.result__row--total { font-weight: 700; font-size: 1.2rem; border-bottom: 3px double var(--text); }
.result__row--total span { color: var(--text); font-weight: 700; }
.result__words { margin-top: .7rem; color: var(--muted); }

.verdict { display: flex; gap: .8rem; align-items: flex-start; padding: .9rem 1rem; border-radius: var(--radius); font-weight: 600; }
.verdict--ok { background: var(--ok-bg); color: var(--ok); }
.verdict--bad { background: var(--err-bg); color: var(--err); }
.verdict--warn { background: var(--soon-bg); color: var(--soon); box-shadow: inset 0 0 0 1px var(--soon-line); }
.verdict ul { margin: .3rem 0 0; padding-left: 1.1rem; font-weight: 500; }
.gstin-strip { display: flex; flex-wrap: wrap; gap: .4rem; margin-block: 1rem; font-variant-numeric: tabular-nums; }
.gstin-strip span { display: inline-flex; flex-direction: column; align-items: center; gap: .2rem; }
.gstin-strip b { display: block; padding: .35rem .5rem; border: 1.5px solid var(--text); border-radius: .35rem; font-size: 1.15rem; letter-spacing: .12em; background: var(--surface); color: var(--text); font-weight: 600; }
.gstin-strip i { font-style: normal; font-size: .8rem; color: var(--muted); }
.gstin-input { text-transform: uppercase; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.parts { display: grid; grid-template-columns: minmax(0, auto) minmax(0, 1fr); gap: .35rem 1.25rem; }
.parts dt { color: var(--muted); }
.parts dd { margin: 0; color: var(--text); font-weight: 500; overflow-wrap: anywhere; }

.due { list-style: none; padding: 0; border-top: 2px solid var(--text); }
.due li { display: grid; grid-template-columns: 1fr auto; gap: .15rem 1rem; padding: .75rem .2rem; border-bottom: 1px solid var(--line); align-items: baseline; }
.due__form { font-weight: 700; color: var(--text); }
.due__date { font-weight: 600; color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }
.due__what { color: var(--muted); font-size: .95em; }
.due__left { color: var(--muted); font-size: .95em; text-align: right; }
.due__left--soon { color: var(--soon); font-weight: 600; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .6rem .75rem .6rem .2rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { border-bottom: 2px solid var(--text); color: var(--text); font-weight: 600; }
tbody th { color: var(--text); font-weight: 600; white-space: nowrap; }

.login-box__row { display: flex; align-items: stretch; border: 1.5px solid var(--control); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.login-box__row:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }
.login-box__row .input { border: 0; border-radius: 0; min-width: 0; flex: 1; outline: none; background: transparent; }
.login-box__suffix { display: inline-flex; align-items: center; padding: 0 .8rem 0 .1rem; color: var(--muted); white-space: nowrap; font-weight: 500; }
.login-box__row.is-invalid { border-color: var(--err); background: var(--err-bg); }
.login-box .btn { margin-top: .8rem; }
.login-box__saved { margin-top: .8rem; font-size: .9375rem; color: var(--muted); }
.link-button { font: inherit; color: var(--text); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-decoration-color: var(--accent-text); text-underline-offset: .18em; }
.preview-msg { white-space: pre-wrap; background: var(--surface-2); border-radius: var(--radius); padding: .8rem 1rem; color: var(--text); font-size: .97rem; }

/* 11. Long text: legal pages and guides */
.prose { max-width: 70ch; }
.prose > * + * { margin-top: 1rem; }
.prose h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.85rem); margin-top: 2.4rem; padding-top: 1.1rem; border-top: 2px solid var(--text); }
.prose h3 { margin-top: 1.6rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: .4rem; }
.prose table { font-size: .97rem; }
.plain-list { padding-left: 1.2rem; }
.plain-list li + li { margin-top: .4rem; }
.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-left: 1.7rem; }
.check-list li + li { margin-top: .5rem; }
.check-list li::before { content: ""; position: absolute; left: .15rem; top: .45em; width: .95rem; height: .5rem; border-left: 2.5px solid var(--ok); border-bottom: 2.5px solid var(--ok); transform: rotate(-45deg); }
.toc { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.toc a { display: inline-flex; align-items: center; min-height: 2.6rem; padding: .35rem .9rem; border: 1.5px solid var(--control); border-radius: 999px; text-decoration: none; font-weight: 600; background: var(--surface); }
.toc a:hover { border-color: var(--text); color: var(--text); }

/* 12. Footer and the floating WhatsApp button */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding-block: clamp(2rem, 5vw, 3rem) 6rem; font-size: 1rem; }
.footer-grid { display: grid; gap: 2rem 1.5rem; grid-template-columns: 1fr 1fr; }
@media (min-width: 52rem) { .footer-grid { grid-template-columns: 1.5fr repeat(4, 1fr); } }
.footer-brand { grid-column: 1 / -1; }
@media (min-width: 52rem) { .footer-brand { grid-column: auto; } }
.footer-brand .wordmark { height: 1.6rem; color: var(--text); }
.footer-brand p { margin-top: .8rem; max-width: 30ch; }
.site-footer h2 { font-family: var(--font); font-size: 1rem; font-weight: 700; letter-spacing: 0; margin-bottom: .6rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: .1rem; }
.site-footer li a { display: inline-block; padding-block: .32rem; text-decoration: none; color: var(--body); }
.site-footer li a:hover { color: var(--text); text-decoration: underline; }
.footer-legal { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); display: grid; gap: .8rem; color: var(--muted); font-size: .9375rem; }
@media (min-width: 52rem) { .footer-legal { grid-template-columns: 1fr auto; align-items: start; } }
.theme-toggle { display: none; font: inherit; font-weight: 600; color: var(--text); background: transparent; border: 1.5px solid var(--control); border-radius: var(--radius); min-height: 2.75rem; padding: .4rem .9rem; cursor: pointer; }
@supports (color: light-dark(#000, #fff)) { .js .theme-toggle { display: inline-flex; align-items: center; } }
.theme-toggle .to-light { display: none; }
@media (prefers-color-scheme: dark) {
  .theme-toggle .to-dark { display: none; }
  .theme-toggle .to-light { display: inline; }
}
:root:has(> head > meta[name="color-scheme"][content="dark"]) .theme-toggle .to-dark { display: none; }
:root:has(> head > meta[name="color-scheme"][content="dark"]) .theme-toggle .to-light { display: inline; }
:root:has(> head > meta[name="color-scheme"][content="light"]) .theme-toggle .to-dark { display: inline; }
:root:has(> head > meta[name="color-scheme"][content="light"]) .theme-toggle .to-light { display: none; }

.wa-float {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 40; display: inline-flex; align-items: center; gap: .55rem;
  min-height: 3.25rem; padding: .6rem 1.1rem; border-radius: 999px; background: var(--float-bg); color: var(--float-text);
  font-weight: 600; text-decoration: none; box-shadow: 0 6px 18px -6px rgba(2, 6, 23, .55);
}
.wa-float:hover { color: var(--float-text); filter: brightness(1.12); }
.wa-float svg { width: 1.35rem; height: 1.35rem; flex: none; }

/* 13. Print and motion */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  @view-transition { navigation: auto; }
}
[id] { scroll-margin-top: 1.25rem; }
@media print {
  .site-header nav, .header-login, .wa-float, .site-footer ul, .theme-toggle, .skip-link, .band .btn { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .section { padding-block: 1rem; }
  a { text-decoration: none; }
}