/* HumanProduced — hand-drawn, rustic, old-school */

@import url('https://fonts.googleapis.com/css2?family=Architects+Daughter&family=Caveat:wght@500;700&family=Patrick+Hand&display=swap');

:root {
  --ink: #2d2d2d;
  --ink-light: #5a5a5a;
  --paper: #f4efe3;
  --paper-dark: #e8e0cf;
  --margin-line: #c9b8a0;
  --accent-green: #4a7c59;
  --accent-yellow: #b8860b;
  --accent-red: #9b3b3b;
  --accent-blue: #3d5a80;
  --font-display: 'Caveat', cursive;
  --font-body: 'Patrick Hand', cursive;
  --font-accent: 'Architects Daughter', cursive;
  --max-width: 42rem;
  --wobble: 255px 8px 240px 12px / 12px 255px 8px 240px;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(
      transparent,
      transparent 27px,
      var(--margin-line) 27px,
      var(--margin-line) 28px
    ),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  line-height: 1.55;
}

/* left margin line like notebook paper */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: max(calc(50% - var(--max-width) / 2 - 3rem), 1rem);
  width: 2px;
  height: 100%;
  background: rgba(200, 80, 80, 0.35);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-decoration-style: wavy;
  text-underline-offset: 3px;
}

a:hover { color: var(--ink); }

img, svg { max-width: 100%; height: auto; }

/* ---- layout ---- */

.site-wrap {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* ---- header / nav ---- */

.site-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed var(--ink-light);
}

.logo-link {
  display: inline-block;
  text-decoration: none;
  transform: rotate(-1deg);
}

.logo-link:hover { transform: rotate(0.5deg); }

.logo-svg {
  width: min(280px, 85vw);
  height: auto;
  display: block;
  margin: 0 auto 0.5rem;
}

.tagline {
  font-family: var(--font-accent);
  font-size: 1rem;
  color: var(--ink-light);
  margin: 0;
  transform: rotate(0.5deg);
}

nav.site-nav {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
}

nav.site-nav a {
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-decoration: none;
  border-bottom: 2px dotted var(--ink-light);
  padding-bottom: 2px;
  transform: rotate(-0.3deg);
}

nav.site-nav a:hover {
  border-bottom-style: solid;
  transform: rotate(0.3deg);
}

nav.site-nav a[aria-current="page"] {
  border-bottom: 3px solid var(--ink);
  font-weight: 700;
}

/* ---- typography ---- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2.4rem;
  margin: 0 0 1rem;
  transform: rotate(-0.4deg);
}

h2 {
  font-size: 1.85rem;
  margin: 2rem 0 0.75rem;
  border-bottom: 2px dashed var(--ink-light);
  padding-bottom: 0.25rem;
}

h3 {
  font-size: 1.45rem;
  margin: 1.5rem 0 0.5rem;
}

p { margin: 0 0 1rem; }

.lead {
  font-size: 1.15rem;
  color: var(--ink-light);
}

.note {
  font-family: var(--font-accent);
  font-size: 0.95rem;
  color: var(--ink-light);
  font-style: italic;
}

/* ---- sketch boxes ---- */

.sketch-box {
  background: rgba(255, 252, 245, 0.7);
  border: 2.5px solid var(--ink);
  border-radius: var(--wobble);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  box-shadow: 3px 4px 0 rgba(45, 45, 45, 0.12);
  transform: rotate(-0.2deg);
}

.sketch-box.tilt-right { transform: rotate(0.4deg); }
.sketch-box.tilt-left { transform: rotate(-0.6deg); }

/* ---- buttons ---- */

.btn-sketch {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
  background: var(--paper-dark);
  border: 2.5px solid var(--ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 0.5rem 1.75rem;
  cursor: pointer;
  transform: rotate(-1deg);
  box-shadow: 2px 3px 0 rgba(45, 45, 45, 0.15);
  transition: transform 0.1s, box-shadow 0.1s;
}

.btn-sketch:hover {
  transform: rotate(0.5deg) translateY(-1px);
  box-shadow: 3px 4px 0 rgba(45, 45, 45, 0.2);
}

.btn-sketch:active {
  transform: rotate(0deg);
  box-shadow: 1px 1px 0 rgba(45, 45, 45, 0.15);
}

.btn-sketch:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- form elements ---- */

textarea.sketch-input,
input.sketch-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: rgba(255, 252, 245, 0.9);
  border: 2px dashed var(--ink-light);
  border-radius: 12px 255px 8px 240px / 255px 12px 240px 8px;
  padding: 1rem;
  resize: vertical;
  line-height: 1.5;
}

textarea.sketch-input:focus,
input.sketch-input:focus {
  outline: none;
  border-style: solid;
  border-color: var(--ink);
}

textarea.sketch-input {
  min-height: 10rem;
}

/* ---- detector results ---- */

#results {
  display: none;
  margin-top: 2rem;
}

#results.visible { display: block; }

.meter-wrap {
  text-align: center;
  margin: 1.5rem 0;
}

.meter-svg {
  width: min(320px, 100%);
  height: auto;
}

.score-display {
  font-family: var(--font-display);
  font-size: 3rem;
  margin: 0.5rem 0 0;
}

.verdict {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin: 0.25rem 0 1rem;
}

.verdict.human { color: var(--accent-green); }
.verdict.uncertain { color: var(--accent-yellow); }
.verdict.ai { color: var(--accent-red); }

.reasons-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.reasons-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.reasons-list li::before {
  content: '~';
  position: absolute;
  left: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.disclaimer {
  font-size: 0.9rem;
  color: var(--ink-light);
  border-top: 1px dotted var(--ink-light);
  padding-top: 1rem;
  margin-top: 1.5rem;
}

/* ---- ratings (hand-drawn blobs, not stars) ---- */

.rating-blob {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.rating-blob .blob {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 45% 55% 52% 48% / 48% 45% 55% 52%;
  border: 2px solid var(--ink);
  display: inline-block;
}

.rating-blob .blob.filled {
  background: var(--ink);
}

.rating-blob .blob.half {
  background: linear-gradient(90deg, var(--ink) 50%, transparent 50%);
}

/* ---- comparison table ---- */

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  border: 1.5px dashed var(--ink-light);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.compare-table th {
  font-family: var(--font-display);
  font-size: 1.15rem;
  background: var(--paper-dark);
  border-bottom: 2px solid var(--ink);
}

.compare-table tr:nth-child(even) td {
  background: rgba(255, 252, 245, 0.5);
}

.compare-table .tool-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

/* ---- pros/cons ---- */

.pros-cons {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 500px) {
  .pros-cons { grid-template-columns: 1fr 1fr; }
}

.pros-cons h3 { margin-top: 0; }

.pros-cons ul {
  margin: 0;
  padding-left: 1.25rem;
}

.pros-cons .pros { border-left: 3px solid var(--accent-green); padding-left: 1rem; }
.pros-cons .cons { border-left: 3px solid var(--accent-red); padding-left: 1rem; }

/* ---- FAQ ---- */

details.faq-item {
  border: 1.5px dashed var(--ink-light);
  border-radius: 8px 240px 8px 240px / 240px 8px 240px 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  background: rgba(255, 252, 245, 0.5);
}

details.faq-item summary {
  font-family: var(--font-display);
  font-size: 1.25rem;
  cursor: pointer;
  list-style: none;
}

details.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item summary::before {
  content: '? ';
  color: var(--accent-blue);
}

details.faq-item[open] summary { margin-bottom: 0.5rem; }

/* ---- footer ---- */

.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 2px dashed var(--ink-light);
  text-align: center;
  font-family: var(--font-accent);
  font-size: 0.9rem;
  color: var(--ink-light);
}

.site-footer p { margin: 0.35rem 0; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
}

.footer-links a {
  font-size: 0.95rem;
}

/* ---- cookie banner ---- */

#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--paper-dark);
  border-top: 2px solid var(--ink);
  padding: 1rem 1.25rem;
  z-index: 100;
  display: none;
  text-align: center;
  font-size: 0.95rem;
}

#cookie-banner.visible { display: block; }

#cookie-banner .btn-sketch {
  font-size: 1.1rem;
  margin-left: 0.75rem;
  padding: 0.35rem 1rem;
}

/* ---- utility ---- */

.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.hidden { display: none !important; }

/* ---- responsive ---- */

@media (max-width: 500px) {
  html { font-size: 16px; }
  h1 { font-size: 2rem; }
  .compare-table { font-size: 0.85rem; }
  .compare-table th, .compare-table td { padding: 0.5rem; }
}