/* The Toolshed — brand system for shivamvashisth.com
   One file, inherited by the homepage and every tool. */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* paper + ink */
  --paper: #FCFCFA;
  --ink: #1C1B1A;
  --ink-soft: #56524d;
  --ink-faint: #6f6a62;   /* darkened from #8b867f so muted/eyebrow text clears WCAG AA (>=4.5:1) on paper & card */
  --line: #ece7df;
  --line-strong: #ddd6cb;

  /* pastel-rainbow wash */
  --lavender: #E6E0F2;
  --peach: #F8E2D4;
  --mint: #DFF0E6;
  --sky: #DCEAF5;

  /* solid accents pulled from the wash (for text/buttons that need contrast) */
  --acc-lavender: #6d5bb0;
  --acc-peach: #c2693a;
  --acc-mint: #2f8f63;
  --acc-sky: #2f6fae;
  --acc-rose: #c25274;

  --card: #ffffff;
  --shadow: 0 1px 2px rgba(28,27,26,.05), 0 8px 24px rgba(28,27,26,.06);
  --shadow-lift: 0 6px 14px rgba(28,27,26,.08), 0 18px 40px rgba(28,27,26,.10);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-pill: 999px;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.65;
  background-color: var(--paper);
  /* watercolour wash: soft overlapping blooms over near-white paper */
  background-image:
    radial-gradient(60% 55% at 12% 8%, rgba(230,224,242,.85), transparent 70%),
    radial-gradient(55% 50% at 92% 10%, rgba(248,226,212,.80), transparent 70%),
    radial-gradient(55% 55% at 85% 88%, rgba(223,240,230,.80), transparent 72%),
    radial-gradient(60% 55% at 8% 92%, rgba(220,234,245,.82), transparent 72%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* faint paper grain */
body::before {
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.12; letter-spacing: -.01em; margin: 0 0 .4em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; color: var(--ink-soft); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.serif { font-family: var(--font-display); }
a { color: var(--acc-sky); text-decoration-color: rgba(47,111,174,.35); text-underline-offset: 3px; }

.eyebrow { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 .6rem; }

.ink-underline { position: relative; display: inline; background-image: linear-gradient(var(--ink), var(--ink)); background-repeat: no-repeat; background-position: 0 92%; background-size: 100% 2px; padding-bottom: 2px; }

/* ---------- layout helpers ---------- */
section { padding: 72px 0; }
.center { text-align: center; }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 60ch; }
.muted { color: var(--ink-faint); }
.stack > * + * { margin-top: 1rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-body); font-weight: 500; font-size: 1rem;
  padding: .72rem 1.3rem; border-radius: var(--r-pill);
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  cursor: pointer; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.btn:active { transform: translateY(0); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { background: rgba(255,255,255,.6); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); }
.pad { padding: clamp(20px, 4vw, 36px); }

/* ---------- pills / tags ---------- */
.pill { display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; font-weight: 500; padding: .28rem .7rem; border-radius: var(--r-pill); border: 1px solid var(--line-strong); background: rgba(255,255,255,.7); color: var(--ink-soft); }
/* pill text deepened for WCAG AA on the light pastel washes; dark mode is re-toned separately below */
.pill.brewing { background: #fff6e9; border-color: #f3d9ab; color: #a8551f; }
.pill.live { background: #e9f7ef; border-color: #bfe6cf; color: #1f7a4f; }
.pill.everyone { background: var(--sky); border-color: #bcd6ef; color: #235e95; }
.pill.creator { background: var(--lavender); border-color: #cfc4ea; color: #5b4a9e; }

/* ---------- site nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px); background: rgba(252,252,250,.72); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav .brand { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; text-decoration: none; color: var(--ink); }
.nav .links { display: flex; gap: 1.3rem; align-items: center; }
.nav .links a { color: var(--ink-soft); text-decoration: none; font-size: .95rem; }
.nav .links a:hover { color: var(--ink); }
@media (max-width: 640px){ .nav .links a.hide-sm { display: none; } }

/* ---------- footer ---------- */
.foot { padding: 48px 0; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: .9rem; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.foot a { color: var(--ink-soft); text-decoration: none; }
.foot a:hover { color: var(--ink); }

/* ---------- tool page chrome (back link) ---------- */
.toolnav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px); background: rgba(252,252,250,.72); border-bottom: 1px solid var(--line); }
.toolnav .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.toolnav a.back { display: inline-flex; align-items: center; gap: .45rem; color: var(--ink-soft); text-decoration: none; font-size: .95rem; }
.toolnav a.back:hover { color: var(--ink); }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--paper); padding: .7rem 1.1rem; border-radius: var(--r-pill); font-size: .9rem; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 200; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- inputs ---------- */
input[type="text"], input[type="email"], input[type="date"], input[type="number"], select, textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  padding: .7rem .9rem; border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  background: #fff; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--acc-sky); box-shadow: 0 0 0 3px rgba(47,111,174,.15); }
label { font-weight: 500; font-size: .92rem; display: block; margin-bottom: .35rem; }

.field { margin-bottom: 1rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }

/* visually hidden but screen-reader available */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- theme: smooth cross-fade ---------- */
body { transition: background-color .45s ease, color .35s ease; }
.card, .nav, .toolnav, .pill, input, select, textarea, .theme-toggle {
  transition: background-color .35s ease, color .3s ease, border-color .3s ease, box-shadow .2s ease;
}
.btn { transition: background-color .3s ease, color .3s ease, border-color .3s ease, transform .15s ease, box-shadow .15s ease; }

/* ---------- animated nav underline (subtle) ---------- */
.nav .links a { position: relative; }
.nav .links a::after {
  content: ""; position: absolute; left: 0; bottom: -3px; height: 1px; width: 100%;
  background: currentColor; opacity: .55; transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.nav .links a:hover::after { transform: scaleX(1); }

/* ---------- theme toggle button ---------- */
.theme-toggle {
  width: 38px; height: 38px; border-radius: var(--r-pill); padding: 0;
  border: 1px solid var(--line-strong); background: transparent; color: var(--ink-soft);
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-faint); background: rgba(0,0,0,.03); }
.theme-toggle svg { width: 18px; height: 18px; transition: transform .5s cubic-bezier(.4,0,.2,1); }
.theme-toggle:active svg { transform: rotate(35deg) scale(.9); }

/* ---------- DARK THEME (warm, low-glare) ---------- */
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #1A1815;
  --ink: #ECE7DD;
  --ink-soft: #B6AFA2;
  --ink-faint: #969084;   /* lightened from #837C6E so muted/eyebrow text clears WCAG AA (>=4.5:1) on dark card */
  --line: #2E2B25;
  --line-strong: #423D35;
  --card: #221F1A;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 28px rgba(0,0,0,.45);
  --shadow-lift: 0 8px 18px rgba(0,0,0,.5), 0 22px 48px rgba(0,0,0,.55);
  --acc-sky: #84B6E6;
  --acc-mint: #76C9A2;
  --acc-peach: #E7A47E;
  --acc-lavender: #B9ABE8;
  --acc-rose: #E78EA8;
}
[data-theme="dark"] body {
  background-color: var(--paper);
  background-image:
    radial-gradient(60% 55% at 12% 8%, rgba(120,108,170,.16), transparent 70%),
    radial-gradient(55% 50% at 92% 10%, rgba(190,120,90,.13), transparent 70%),
    radial-gradient(55% 55% at 85% 88%, rgba(70,150,120,.13), transparent 72%),
    radial-gradient(60% 55% at 8% 92%, rgba(80,130,180,.14), transparent 72%);
}
[data-theme="dark"] body::before { opacity: .05; }
[data-theme="dark"] .nav,
[data-theme="dark"] .toolnav { background: rgba(26,24,21,.72); }
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea { background: #1F1C18; }
[data-theme="dark"] .btn.ghost:hover { background: rgba(255,255,255,.06); }
[data-theme="dark"] .theme-toggle:hover { background: rgba(255,255,255,.06); }
[data-theme="dark"] .pill { background: rgba(255,255,255,.05); border-color: var(--line-strong); color: var(--ink-soft); }
[data-theme="dark"] .pill.brewing { background: rgba(231,164,126,.13); border-color: #5e4632; color: #e7b693; }
[data-theme="dark"] .pill.live { background: rgba(118,201,162,.13); border-color: #2f5d49; color: #93dab9; }
[data-theme="dark"] .pill.everyone { background: rgba(132,182,230,.13); border-color: #2f4d6e; color: #a3cbee; }
[data-theme="dark"] .pill.creator { background: rgba(185,171,232,.13); border-color: #473f6e; color: #c8bcec; }
/* homepage components defined in an inline <style> get themed here */
[data-theme="dark"] .tool-card,
[data-theme="dark"] .sd-thumb { background: var(--card); border-color: var(--line); }
[data-theme="dark"] .chip { background: rgba(255,255,255,.05); color: var(--ink-soft); border-color: var(--line-strong); }
[data-theme="dark"] .chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- jargon: gently-defined tech terms ---------- */
.jargon {
  border-bottom: 1px dotted var(--ink-faint);
  cursor: help; position: relative; color: inherit; text-decoration: none;
}
.jargon:focus-visible { outline: 2px solid var(--acc-sky); outline-offset: 2px; border-radius: 2px; }
.jargon-pop {
  display: none;
  position: absolute; left: 50%; bottom: calc(100% + 9px);
  transform: translateX(-50%);
  width: max-content; max-width: min(240px, 78vw);
  background: var(--card); color: var(--ink-soft);
  border: 1px solid var(--line-strong); border-radius: var(--r-sm); box-shadow: var(--shadow-lift);
  padding: .5rem .65rem;
  font-family: var(--font-body); font-size: .82rem; font-weight: 400; line-height: 1.45;
  letter-spacing: normal; text-transform: none; text-align: left; white-space: normal;
  z-index: 120;
}
.jargon-pop::after {
  content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--card);
}
.jargon:hover .jargon-pop, .jargon:focus .jargon-pop,
.jargon:focus-within .jargon-pop, .jargon.open .jargon-pop {
  display: block;
}
.jargon-hint { font-size: .82rem; color: var(--ink-faint); }
.jargon-hint .jargon { border-bottom-style: dotted; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Files: header nav pill (entry point to the file vault) ---------- */
.nav .links a.nav-files {
  padding: .3rem .85rem;
  border-radius: var(--r-pill);
  background: var(--acc-sky);
  color: #fff;
  font-weight: 600;
}
.nav .links a.nav-files::after { display: none; }      /* skip the underline used by other nav links */
.nav .links a.nav-files:hover { filter: brightness(1.07); transform: translateY(-1px); }

/* ---------- Garage CTA: soft pulsing glow + slow shine to invite the click ---------- */
@keyframes garageGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47,111,174,0); }
  50%      { box-shadow: 0 0 24px 3px rgba(47,111,174,.45); }
}
@keyframes garageShine {
  0%      { transform: translateX(-130%) skewX(-12deg); }
  60%,100%{ transform: translateX(130%) skewX(-12deg); }
}
.btn.glow {
  position: relative;
  overflow: hidden;
  animation: garageGlow 2.6s ease-in-out infinite;
}
.btn.glow::before {
  content: "";
  position: absolute; top: 0; bottom: 0; left: 0; width: 60%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.4), transparent);
  transform: translateX(-130%) skewX(-12deg);
  animation: garageShine 3.6s ease-in-out infinite;
  pointer-events: none;
}
.btn.glow:hover { animation-play-state: paused; box-shadow: var(--shadow-lift); }
.btn.glow:hover::before { animation-play-state: paused; }

/* ---------- Mobile-tidy header: short brand + single-line links ---------- */
.nav .brand .brand-short { display: none; }     /* hidden on desktop; full name shown */
.nav .links a { white-space: nowrap; }          /* never break "The Garage" across lines */
@media (max-width: 640px) {
  .nav .brand .brand-full { display: none; }     /* collapse "Shivam Vashisth" -> "SV" */
  .nav .brand .brand-short { display: inline; }
  .nav .links { gap: 1rem; }                      /* a touch tighter so it never crowds */
}
@media (max-width: 380px) {
  .nav .links { gap: .8rem; }
  .nav .links a { font-size: .9rem; }             /* tiny phones: keep it all on one row */
}