@import url("https://unpkg.com/normalize.css") layer(normalize);

@layer normalize, base, demo, debug, exploding;

@layer exploding {
  [data-exploded="true"] {
    section {
      transition-delay: 0s;
    }
    .keypad {
      translate: calc(-50% - 1rem) 0;
      transition-delay: 0s, 0.26s;
      @media (max-width: 768px) {
        translate: 0 calc(50% + 1rem);
      }
    }
    .keypad__base {
      --depth: 2.5;
    }
    .keypad__single {
      --depth: -1;
    }
    .keypad__single--left {
      --depth: -2;
    }
    .keypad__double {
      --depth: 0;
    }

    .keypad__base,
    .key {
      translate: 0 calc(var(--depth) * 10vh);
      transition-delay: 0.52s;
    }
  }

  .keypad {
    transition-delay: 0.26s, 0.52s;
  }

  .key,
  .keypad__base {
    transition-property: translate;
    transition-duration: 0.26s;
    transition-timing-function: ease-out;
  }

  [data-exploded="true"] .key::after {
    opacity: 1;
    transition-delay: 0.52s;
  }

  .key::after {
    z-index: -1;
    content: "";
    position: absolute;
    opacity: 0;
    inset: 0;
    transition-property: opacity;
    transition-duration: 0.26s;
    transition-timing-function: ease-out;
    background: repeating-linear-gradient(
      -45deg,
      #0000 0 5px,
      hsl(220 100% 70%) 5px 6px
    );
  }
  /* timings */
}

@layer debug {
  main {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    justify-content: center;

    h1 {
      letter-spacing: -0.05rem;
      line-height: 1;
    }

    p {
      opacity: 0.7;
      font-weight: 300;
    }

    .linktree-button {
      display: inline-block;
      padding: 0.75rem 2rem;
      background: linear-gradient(135deg, hsl(180 60% 45%), hsl(30 60% 50%));
      color: white;
      text-decoration: none;
      border-radius: 8px;
      font-weight: 600;
      font-size: 1rem;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      border: none;
      cursor: pointer;
    }

    .linktree-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      background: linear-gradient(135deg, hsl(180 60% 50%), hsl(30 60% 55%));
    }

    .linktree-button:active {
      transform: translateY(0);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] .linktree-button {
      background: linear-gradient(135deg, hsl(180 40% 60%), hsl(30 40% 65%));
      color: white;
    }

    [data-theme="light"] .linktree-button:hover {
      background: linear-gradient(135deg, hsl(180 40% 65%), hsl(30 40% 70%));
    }

    section {
      transition-property: opacity, filter;
      transition-duration: 0.26s;
      transition-delay: 0.26s;
      transition-timing-function: ease-out;
    }
  }

  [data-exploded="true"] section {
    opacity: 0;
    filter: blur(4px);
  }

  @media (max-width: 768px) {
    .keypad {
      order: 1;
    }
    section {
      order: 2;
    }
  }

  section,
  section > div {
    width: 50ch;
    max-width: calc(100vw - 2rem);
  }
}

@layer demo {
  :root {
    --travel: 20;
  }
  .keypad {
    position: relative;
    /* outline: 4px dashed red;
    outline-offset: 2px; */
    aspect-ratio: 400 / 310;
    display: flex;
    place-items: center;
    width: clamp(280px, 35vw, 400px);
    -webkit-tap-highlight-color: #0000;
    transition-property: translate, transform;
    transition-duration: 0.26s;
    transition-timing-function: ease-out;
    transform-style: preserve-3d;

    .key {
      transform-style: preserve-3d;
      border: 0;
      background: #0000;
      padding: 0;
      cursor: pointer;
      outline: none;

      &[data-pressed="true"],
      &:active {
        .key__content {
          translate: 0 calc(var(--travel) * 1%);
        }
      }
    }

    .key__content {
      width: 100%;
      display: inline-block;
      height: 100%;
      transition: translate 0.12s ease-out;
      container-type: inline-size;
    }

    .keypad__single .key__text {
      width: 52%;
      height: 62%;
      translate: 45% -16%;
    }

    .key__text {
      height: 46%;
      width: 86%;
      position: absolute;
      font-size: 12cqi;
      z-index: 21;
      top: 5%;
      left: 0;
      mix-blend-mode: normal;
      /* mix-blend-mode: overlay soft-light; */
      color: hsl(0 0% 94%);
      translate: 8% 10%;
      transform: rotateX(36deg) rotateY(45deg) rotateX(-90deg) rotate(0deg);
      text-align: left;
      padding: 1ch;
    }

    .keypad__single {
      position: absolute;
      width: 40.5%;
      left: 54%;
      bottom: 36%;
      height: 46%;
      clip-path: polygon(
        0 0,
        54% 0,
        89% 24%,
        100% 70%,
        54% 100%,
        46% 100%,
        0 69%,
        12% 23%,
        47% 0%
      );
      mask: url(https://assets.codepen.io/605876/keypad-single.png?format=auto&quality=86)
        50% 50% / 100% 100%;

      &.keypad__single--left {
        left: 29.3%;
        bottom: 54.2%;
      }

      .key__text {
        font-size: 18cqi;
      }

      img {
        top: 0;
        opacity: 1;
        width: 96%;
        position: absolute;
        left: 50%;
        translate: -50% 1%;
      }
    }

    .key__mask {
      width: 100%;
      height: 100%;
      display: inline-block;
    }

    .keypad__double {
      position: absolute;
      background: hsl(10 100% 50% / 0);
      width: 64%;
      height: 65%;
      left: 6%;
      bottom: 17.85%;
      clip-path: polygon(
        34% 0,
        93% 44%,
        101% 78%,
        71% 100%,
        66% 100%,
        0 52%,
        0 44%,
        7% 17%,
        30% 0
      );
      mask: url(https://assets.codepen.io/605876/keypad-double.png?format=auto&quality=86)
        50% 50% / 100% 100%;
      img {
        top: 0;
        opacity: 1;
        width: 99%;
        position: absolute;
        left: 50%;
        translate: -50% 1%;
      }
    }

    .key img {
      filter: hue-rotate(calc(var(--hue, 0) * 1deg))
        saturate(var(--saturate, 1)) brightness(var(--brightness, 1));
    }

    .keypad__base {
      position: absolute;
      bottom: 0;
      width: 100%;
    }
    img {
      transition: translate 0.12s ease-out;
      width: 100%;
    }
  }
  .reference {
    pointer-events: none;
    opacity: 0;
    z-index: 2;
  }
}

@layer base {
  :root {
    --font-size-min: 16;
    --font-size-max: 20;
    --font-ratio-min: 1.2;
    --font-ratio-max: 1.33;
    --font-width-min: 375;
    --font-width-max: 1500;
  }

  html {
    color-scheme: light dark;
  }

  [data-theme="light"] {
    color-scheme: light only;
  }

  [data-theme="dark"] {
    color-scheme: dark only;
  }

  :where(.fluid) {
    --fluid-min: calc(
      var(--font-size-min) * pow(var(--font-ratio-min), var(--font-level, 0))
    );
    --fluid-max: calc(
      var(--font-size-max) * pow(var(--font-ratio-max), var(--font-level, 0))
    );
    --fluid-preferred: calc(
      (var(--fluid-max) - var(--fluid-min)) /
        (var(--font-width-max) - var(--font-width-min))
    );
    --fluid-type: clamp(
      (var(--fluid-min) / 16) * 1rem,
      ((var(--fluid-min) / 16) * 1rem) -
        (((var(--fluid-preferred) * var(--font-width-min)) / 16) * 1rem) +
        (var(--fluid-preferred) * var(--variable-unit, 100vi)),
      (var(--fluid-max) / 16) * 1rem
    );
    font-size: var(--fluid-type);
  }

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

  body {
    background: linear-gradient(
      135deg,
      hsl(180 60% 25%) 0%,
      /* Teal-blue */ hsl(180 40% 15%) 25%,
      /* Darker teal */ hsl(30 60% 20%) 50%,
      /* Golden-orange-brown */ hsl(30 40% 10%) 75%,
      /* Darker golden */ hsl(180 60% 25%) 100% /* Back to teal-blue */
    );
    display: grid;
    place-items: center;
    min-height: 100vh;
    overflow: hidden;
    font-family: "SF Pro Text", "SF Pro Icons", "AOS Icons", "Helvetica Neue",
      Helvetica, Arial, sans-serif, system-ui;
    transition: background 0.3s ease;
  }

  [data-theme="light"] body {
    background: linear-gradient(
      135deg,
      hsl(180 40% 85%) 0%,
      /* Light teal-blue */ hsl(180 30% 90%) 25%,
      /* Lighter teal */ hsl(30 40% 80%) 50%,
      /* Light golden-orange-brown */ hsl(30 30% 85%) 75%,
      /* Lighter golden */ hsl(180 40% 85%) 100% /* Back to light teal-blue */
    );
  }

  body::before {
    --size: 45px;
    --line: color-mix(in hsl, canvasText, transparent 80%);
    content: "";
    height: 100vh;
    width: 100vw;
    position: fixed;
    background: linear-gradient(
          90deg,
          var(--line) 1px,
          transparent 1px var(--size)
        )
        calc(var(--size) * 0.36) 50% / var(--size) var(--size),
      linear-gradient(var(--line) 1px, transparent 1px var(--size)) 0%
        calc(var(--size) * 0.32) / var(--size) var(--size);
    mask: linear-gradient(-20deg, transparent 50%, white);
    top: 0;
    transform-style: flat;
    pointer-events: none;
    z-index: -1;
  }

  .bear-link {
    color: canvasText;
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: 48px;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    opacity: 0.8;
  }

  :where(.x-link, .bear-link):is(:hover, :focus-visible) {
    opacity: 1;
  }

  .bear-link svg,
  .bear-link img {
    width: 75%;
    height: auto;
    object-fit: contain;
  }

  /* Theme Toggle Button */
  .theme-toggle {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid color-mix(in oklch, canvasText, transparent 70%);
    background: color-mix(in oklch, canvas, transparent 20%);
    color: canvasText;
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 1000;
  }

  .theme-toggle:hover {
    background: color-mix(in oklch, canvas, transparent 10%);
    border-color: color-mix(in oklch, canvasText, transparent 50%);
    transform: scale(1.1);
  }

  .theme-toggle:active {
    transform: scale(0.95);
  }

  [data-theme="light"] .theme-toggle .theme-icon {
    content: "☀️";
  }

  [data-theme="dark"] .theme-toggle .theme-icon {
    content: "🌙";
  }

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

div.tp-dfwv {
  width: 280px;
}

.acm-logo-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: clamp(280px, 35vw, 400px);
  aspect-ratio: 1;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.acm-logo-button {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  background: linear-gradient(
    135deg,
    hsl(180 60% 25%) 0%,
    hsl(30 60% 20%) 100%
  );
  padding: 20px;
  cursor: pointer;
}

.acm-logo-button:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.acm-logo-button:active {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

.acm-logo-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.acm-logo-button:hover .acm-logo-image {
  transform: scale(1.1);
}

[data-theme="light"] .acm-logo-button {
  background: linear-gradient(
    135deg,
    hsl(180 40% 85%) 0%,
    hsl(30 40% 80%) 100%
  );
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .acm-logo-button:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

/* Insight Message Styling */
.insight-message {
  position: fixed;
  top: 50%;
  left: 10rem;
  transform: translateY(-50%);
  background: linear-gradient(
    135deg,
    hsl(180 60% 25%) 0%,
    hsl(30 60% 20%) 100%
  );
  color: white;
  padding: 1.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  font-size: 1.1rem;
  font-weight: 500;
  text-align: left;
  max-width: 400px;
  width: 350px;
  z-index: 10000;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.1);
  line-height: 1.5;
}

[data-theme="light"] .insight-message {
  background: linear-gradient(
    135deg,
    hsl(180 40% 85%) 0%,
    hsl(30 40% 80%) 100%
  );
  color: #333;
  border: 2px solid rgba(0, 0, 0, 0.1);
}

.insight-message::before {
  content: "✨";
  display: block;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.1) rotate(180deg);
  }
}

@media (max-width: 768px) {
  .insight-message {
    left: 1rem;
    right: 1rem;
    width: auto;
    max-width: none;
    transform: translateY(-50%);
  }
}