:root {
  --blue: #60b5ff;
  --orange: #ff9149;
  --pink: #ff6bd6;
  --yellow: #ffeb3b;
  --green: #4caf50;
  --ink: #0a0a0a;
  --cream: #fdfaf2;
  --shadow: 5px 5px 0px var(--ink);
  --shadow-lg: 7px 7px 0px var(--ink);
  --shadow-sm: 3px 3px 0px var(--ink);
  --border: 3px solid var(--ink);
  --border-thick: 4px solid var(--ink);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Mono", monospace;
  background-color: var(--cream);
  padding: 48px 20px;
  min-height: 100vh;
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(253, 250, 242, 0.88);
  pointer-events: none;
  z-index: 0;
}

h1 {
  position: relative;
  z-index: 1;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: -1px;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: flex-end;
  margin-bottom: 40px;
  padding: 24px;
  background: white;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#base-color {
  width: 120px;
  height: 60px;
  border: var(--border-thick);
  cursor: pointer;
  background: white;
  box-shadow: var(--shadow);
  transition: transform 0.1s ease;
}

#base-color:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--ink);
}

#base-color:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0px var(--ink);
}

#scheme-type {
  padding: 12px 16px;
  border: var(--border-thick);
  font-size: 1rem;
  font-family: "Space Mono", monospace;
  font-weight: 700;
  cursor: pointer;
  background: white;
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: all 0.1s ease;
  min-width: 180px;
}

#scheme-type:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--ink);
}

#scheme-type:focus {
  outline: none;
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0px var(--ink);
}

#scheme-type:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0px var(--ink);
}

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
}

.color-box {
  height: 200px;
  border: var(--border-thick);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 20px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all 0.15s ease;
  position: relative;
}

.color-box:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px var(--ink);
}

.color-box:active {
  transform: translate(3px, 3px);
  box-shadow: 4px 4px 0px var(--ink);
}

.color-text {
  background: white;
  padding: 10px 16px;
  border: var(--border);
  font-weight: 700;
  font-size: 0.85rem;
  font-family: "Space Mono", monospace;
  text-transform: uppercase;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
  user-select: none;
}

.color-box:hover .color-text {
  transform: scale(1.05);
  box-shadow: 4px 4px 0px var(--ink);
}

.info-section {
  margin-top: 60px;
  padding: 40px;
  background: white;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
}

.info-section h2 {
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.info-section .intro {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 40px;
  color: var(--ink);
}

.scheme-explanations {
  display: grid;
  gap: 32px;
  margin-bottom: 48px;
}

.scheme-card {
  border: var(--border);
  background: var(--cream);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: all 0.15s ease;
}

.scheme-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--ink);
}

.scheme-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: var(--border);
}

.scheme-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
}

.scheme-badge {
  padding: 6px 12px;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  border: var(--border);
}

.scheme-content {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: center;
}

.scheme-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.color-wheel {
  width: 100%;
  max-width: 200px;
  height: auto;
  shape-rendering: geometricPrecision;
}

.scheme-description p {
  margin-bottom: 12px;
  line-height: 1.6;
  color: var(--ink);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.scheme-description .example {
  font-size: 0.9rem;
  color: #555;
  font-style: italic;
  padding: 12px;
  background: white;
  border-left: 4px solid var(--ink);
  margin-top: 16px;
}

.tech-details {
  padding: 32px;
  background: var(--ink);
  color: var(--cream);
  border: var(--border-thick);
}

.tech-details h3 {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: var(--cream);
}

.tech-content {
  display: grid;
  gap: 24px;
}

.tech-point {
  padding: 20px;
  background: rgba(253, 250, 242, 0.1);
  border: 3px solid var(--cream);
}

.tech-point strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--blue);
  text-transform: uppercase;
}

.tech-point p {
  line-height: 1.6;
  color: var(--cream);
}

.tech-point code {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--cream);
  color: var(--ink);
  font-family: "Space Mono", monospace;
  font-weight: 700;
  border: 2px solid var(--cream);
}

footer {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  padding: 14px 24px;
  border: var(--border-thick);
  box-shadow: var(--shadow);
  background-color: var(--orange);
  font-family: "Space Mono", monospace;
  font-size: 13px;
  color: #0a0a0a;
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  transition:
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

footer i.fa-heart {
  color: #cc0000;
}

footer strong {
  font-family: "Archivo Black", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.social-link {
  font-family: "Space Mono", monospace;
  font-size: 12px;
  color: #0a0a0a;
  text-decoration: none;
  padding: 5px 12px;
  border: 3px solid #0a0a0a;
  box-shadow: 3px 3px 0px #0a0a0a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition:
    transform 0.1s,
    box-shadow 0.1s;
}

.social-link.twitter {
  background-color: var(--blue);
}

.social-link.github {
  background-color: var(--cream);
}

.social-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px #0a0a0a;
}

.social-link:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px #0a0a0a;
}

@media (min-width: 1200px) {
  .container {
    max-width: 1100px;
  }

  h1 {
    font-size: 3rem;
  }

  .info-section {
    padding: 50px;
  }

  .scheme-content {
    grid-template-columns: 250px 1fr;
    gap: 32px;
  }

  .color-wheel {
    max-width: 250px;
  }
}

@media (min-width: 769px) and (max-width: 1199px) {
  .palette {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    padding: 32px 16px;
  }

  h1 {
    font-size: 2rem;
    margin-bottom: 32px;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
  }

  .control-group {
    width: 100%;
  }

  #base-color,
  #scheme-type {
    width: 100%;
    min-height: 44px;
  }

  .palette {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
  }

  .color-box {
    height: 170px;
  }

  .info-section {
    padding: 24px;
  }

  .info-section h2 {
    font-size: 1.5rem;
  }

  .scheme-content {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .tech-details {
    padding: 24px;
  }

  footer {
    padding: 12px 16px;
    font-size: 12px;
  }

  .footer-socials {
    flex-direction: column;
    gap: 8px;
  }

  .social-link {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  body {
    padding: 24px 12px;
    background-size: 30px 30px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .controls {
    padding: 16px;
  }

  .palette {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .color-box {
    height: 150px;
    padding: 12px;
  }

  .color-text {
    font-size: 0.75rem;
    padding: 8px 12px;
  }

  .info-section {
    padding: 16px;
    margin-top: 40px;
  }

  .info-section h2 {
    font-size: 1.3rem;
  }

  .info-section .intro {
    font-size: 1rem;
  }

  .scheme-header h3 {
    font-size: 1.2rem;
  }

  .scheme-card {
    padding: 16px;
  }

  .tech-details {
    padding: 16px;
  }

  .tech-point {
    padding: 12px;
  }

  footer {
    padding: 10px 12px;
    font-size: 11px;
    margin-top: 16px;
  }

  .footer-socials {
    margin-top: 8px;
  }

  .social-link {
    font-size: 11px;
    padding: 4px 8px;
  }
}

@media print {
  body {
    background: white;
    padding: 20px;
  }

  body::before {
    display: none;
  }

  .controls {
    border: 2px solid black;
    box-shadow: none;
  }

  .color-box {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  footer {
    border: 2px solid black;
    box-shadow: none;
  }

  .social-link {
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}