@import url("/themes.css");

:root {
  --fg: var(--text);
  --bg-elev: var(--surface);
  --bg-soft: var(--panel-soft);
  --line: var(--border);
  --accent-dim: var(--primary-hover);
  --on-accent: var(--on-primary);
  --danger: #f97066;
  --shadow: var(--glass-shadow);
  --radius: 14px;
  --radius-btn: 12px;
  --font: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max: 44rem;
  --page-pad: max(1rem, env(safe-area-inset-left, 0px));
  --page-pad-end: max(1rem, env(safe-area-inset-right, 0px));
  --glass-blur: 18px;
  --glass-saturate: 160%;
}

*,
*::before,
*::after { box-sizing: border-box; }

/* Author `display` (e.g. `.result { display: grid }`) otherwise wins over [hidden]. */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; overflow-x: clip; }

body {
  margin: 0;
  min-height: 100dvb;
  font-family: var(--font);
  color: var(--text);
  accent-color: var(--accent);
  scrollbar-color: var(--border) var(--bg);
  background:
    radial-gradient(800px 420px at 0% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 55%),
    var(--bg);
}

.app {
  min-height: 100dvb;
  display: flex;
  flex-direction: column;
}

.liquid-orbs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}
.liquid-blob {
  position: absolute;
  border-radius: 58% 42% 32% 68% / 58% 38% 62% 42%;
  background:
    radial-gradient(circle at 32% 24%, var(--blob-hi) 0%, transparent 38%),
    radial-gradient(circle at 78% 82%, var(--blob-mid) 0%, transparent 45%),
    var(--blob-fill);
  border: 1px solid var(--blob-border);
  animation: pdf-liquid 26s ease-in-out infinite alternate;
}
@keyframes pdf-liquid {
  0%, 100% { border-radius: 58% 42% 32% 68% / 58% 38% 62% 42%; }
  50% { border-radius: 42% 58% 68% 32% / 48% 62% 38% 52%; }
}
.liquid-blob-a { width: min(38vw, 420px); height: min(32vw, 360px); top: 8%; right: 6%; opacity: 0.72; }
.liquid-blob-b { width: min(22vw, 240px); height: min(28vw, 300px); bottom: 12%; left: 4%; opacity: 0.55; animation-duration: 30s; }
.liquid-blob-c { width: min(28vw, 320px); height: min(24vw, 280px); top: 42%; right: 18%; opacity: 0.4; animation-duration: 34s; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-bottom: 1px solid var(--header-border);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.7rem var(--page-pad-end) 0.7rem var(--page-pad);
  padding-top: max(0.7rem, env(safe-area-inset-top, 0px));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.72rem;
  font-weight: 700;
}

.brand-name {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem var(--page-pad-end) 3rem var(--page-pad);
}

.hero { padding: 0.4rem 0 1rem; }

.home-page {
  position: relative;
  isolation: isolate;
}
.home-page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 88% 18%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(ellipse 40% 35% at 12% 85%, color-mix(in srgb, var(--canvas-hi) 70%, transparent), transparent 70%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: clip;
  opacity: 0.7;
}
.hero-particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.home-page > :not(.hero-particles) {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-dim);
}

h1, h2, h3 {
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.15;
}

.hero-lead {
  margin: 0.75rem 0 1.2rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
  max-width: 46ch;
}

.hero-form,
.result {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.drop {
  display: block;
  position: relative;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: 12px;
  padding: 1.6rem 1rem;
  text-align: center;
  cursor: pointer;
  background: var(--bg-soft);
}

.drop.is-over,
.drop.has-file {
  border-style: solid;
  background: var(--accent-soft);
}

.drop-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
}

.drop:has(.drop-input:focus-visible) {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.drop-preview {
  display: block;
  max-width: min(100%, 16rem);
  max-height: 10rem;
  margin: 0 auto 0.75rem;
  object-fit: contain;
  border-radius: 8px;
  background: var(--bg-elev);
}

.drop-title {
  display: block;
  font-weight: 700;
}
.drop-hint {
  display: block;
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.controls label,
.hero-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.controls input,
.controls select {
  font: inherit;
  font-size: 1rem;
  min-height: 3rem;
  padding: 0.4rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
}

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.85rem 0 0.5rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  padding: 0.65rem 1rem;
  min-height: 3rem;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg);
}

.btn-primary {
  background: var(--primary-btn);
  color: var(--on-primary);
  color: var(--on-accent);
}

.btn-primary:hover { filter: brightness(0.95); }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-ghost {
  background: var(--bg-soft);
}

.btn-ghost.is-on {
  background: var(--accent-soft);
  color: var(--accent-dim);
}

.btn-wide { width: 100%; margin-top: 0.35rem; }

.btn:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.hint { margin: 0.5rem 0 0; color: var(--muted); }
.form-error { color: var(--danger); font-weight: 600; }
[data-format-hint]:not([hidden]) { color: var(--accent-dim); }

.result { margin-top: 1rem; display: grid; gap: 0.55rem; justify-items: start; }

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  width: 100%;
}

.compare figure { margin: 0; }
.compare figcaption {
  margin-top: 0.35rem;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--muted);
}

.result img {
  width: 100%;
  height: auto;
  max-height: 16rem;
  object-fit: contain;
  border-radius: 10px;
  background: var(--bg-soft);
}

.result img:not([src]) {
  display: none !important;
}

.result img.is-alpha {
  background: repeating-conic-gradient(#c5d0cd 0 25%, #f4faf9 0 50%) 50% / 14px 14px;
}

.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
  gap: 0.5rem;
  width: 100%;
}

.swatch {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  padding: 0;
  background: var(--bg);
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: inherit;
}

[data-tool="colors"] .compare figure:last-of-type {
  display: none;
}
.swatch-meta {
  display: block;
  padding: 0.35rem 0.5rem 0.5rem;
  font-size: 0.78rem;
  line-height: 1.3;
}

@media (max-width: 720px) {
  .tool-nav { margin-left: 0; width: 100%; }
}

.result-name { margin: 0; font-weight: 700; }
.result-stats { margin: 0; color: var(--muted); font-size: 0.92rem; }
.result-warn {
  margin: 0;
  color: var(--danger);
  font-weight: 650;
  font-size: 0.92rem;
}

.howto, .features, .faq { padding: 0.6rem 0 1.6rem; }

.howto h2, .features h2, .faq h2 {
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  margin: 0;
}

.howto-grid, .feature-grid {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 0.75rem;
}

.howto-grid li, .feature-grid li, .faq details {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.howto-grid { counter-reset: step; }
.howto-grid li { counter-increment: step; }
.howto-grid h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.howto-grid h3::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.78rem;
}

.howto-grid p, .feature-grid p, .faq p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.feature-grid h3 { margin: 0 0 0.3rem; font-size: 1.05rem; }

.faq-list { display: grid; gap: 0.5rem; margin-top: 1rem; }
.faq summary { cursor: pointer; font-weight: 700; padding: 0.2rem 0; }
.faq summary::-webkit-details-marker { display: none; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--page-pad-end) 1.25rem var(--page-pad);
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.tool-pick { padding: 0.4rem 0 0.4rem; }
.tool-pick h2 {
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  margin: 0 0 0.75rem;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 1fr));
  gap: 0.75rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-block-size: 11rem;
  padding: 1.05rem 1.1rem 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--fg);
}

.tool-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.tool-card-mark {
  display: grid;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-dim);
  font-size: 0.78rem;
  font-weight: 700;
}

.tool-card-title {
  margin: 0.15rem 0 0;
  font-size: 1.12rem;
  letter-spacing: -0.03em;
}

.tool-card-blurb {
  margin: 0;
  flex: 1 1 auto;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.tool-card-cta {
  margin-block-start: auto;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-dim);
}

.ad-slot {
  width: 100%;
  margin: 0.85rem auto;
  display: grid;
  place-items: center;
}

.ad-slot-frame {
  width: 100%;
  min-block-size: 90px;
  border: 1px dashed color-mix(in srgb, var(--line) 80%, var(--accent) 20%);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-soft) 55%, transparent);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ad-slot-leaderboard .ad-slot-frame {
  min-block-size: 90px;
}

.ad-slot-rectangle {
  max-width: 336px;
  margin-inline: auto;
}

.ad-slot-rectangle .ad-slot-frame {
  min-block-size: 250px;
}

.ad-slot-infeed .ad-slot-frame {
  min-block-size: 90px;
}

.ad-rail {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.5rem var(--page-pad-end) 0 var(--page-pad);
}

.ad-rail-end {
  padding: 0.5rem var(--page-pad-end) max(1.25rem, env(safe-area-inset-bottom, 0px)) var(--page-pad);
}

.ad-rail .ad-slot {
  margin: 0;
}

@media (max-width: 420px) {
  .ad-slot-leaderboard .ad-slot-frame {
    min-block-size: 50px;
  }
}

@media print {
  .ad-slot,
  .ad-rail {
    display: none !important;
  }
}

.content-section { padding: 1.5rem 0 3rem; }

.result-text {
  width: 100%;
  max-height: 18rem;
  overflow: auto;
  margin: 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: var(--bg-soft);
  white-space: pre-wrap;
  font-size: 0.9rem;
  line-height: 1.45;
}

.file-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.app-shell .howto,
.app-shell .faq { display: none; }

.related-tools { padding: 0.6rem 0 1.6rem; }

@media (max-width: 520px) {
  .controls { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .liquid-blob { animation: none; }
  .hero-particles { display: none; }
}

.seo-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.2rem 0.15rem; margin: 0 0 0.75rem; }
.seo-links a { color: var(--primary); font-weight: 600; text-decoration: none; }
.seo-links a:hover, .seo-links a.is-active { text-decoration: underline; color: var(--link-hover); }
.sister-apps-links { margin: 0 0 0.65rem; padding: 0; }
.sister-apps-links a { color: var(--primary); font-weight: 600; text-decoration: none; }
.sister-apps-links a:hover { text-decoration: underline; color: var(--link-hover); }
.sister-apps { margin: 2rem 0 1rem; }
.sister-apps .tool-grid { list-style: none; margin: 1rem 0 0; padding: 0; }
.sister-apps .tool-card { min-block-size: 7.5rem; }
.privacy-page { max-width: 40rem; }
.privacy-page h2 { margin-top: 1.5rem; }