/* ============================================================
   EYEOVERTHINK - Hand-Drawn 3D CSS Kit
   ------------------------------------------------------------
   Built from your sketches. Ink on paper, extruded like paper
   thickness. Paste this whole block into your project, add the
   #wobble SVG filter once per page (snippet at the bottom),
   and sketch on.
   ============================================================ */

:root {
  --hd-ink: #111111;            /* marker ink */
  --hd-paper: #fefefe;          /* paper */
  --hd-lavender: #d8d3f5;       /* input fill */
  --hd-lavender-dark: #c2bcef;  /* input fill, hover */
  --hd-star: #eaff8a;           /* neon star yellow */
  --hd-moon: #eaff8a;           /* moon yellow */
  --hd-link: #6a5cff;           /* link blue / purple */
  --hd-hand: 'Caveat', 'Segoe Print', 'Bradley Hand', 'Comic Sans MS', cursive;

  --hd-border: 3px solid var(--hd-ink);
  --hd-radius: 14px 18px 13px 20px / 18px 13px 20px 14px;  /* wobbly */
  --hd-shadow: 4px 4px 0 var(--hd-ink), 8px 8px 0 rgba(0, 0, 0, 0.08);
  --hd-shadow-press: 1px 1px 0 var(--hd-ink);
}

/* ---------- base ---------- */
.hd {
  font-family: var(--hd-hand);
  color: var(--hd-ink);
}

/* Truly hand-drawn edges via SVG turbulence.
   Needs this once per page:
   <svg width="0" height="0" style="position:absolute" aria-hidden="true"><defs>
     <filter id="wobble">
       <feTurbulence type="fractalNoise" baseFrequency="0.015" numOctaves="2" result="n"/>
       <feDisplacementMap in="SourceGraphic" in2="n" scale="4"/>
     </filter>
   </defs></svg> */
.hd-wobble { filter: url(#wobble); }

/* ---------- buttons ---------- */
.hd-btn {
  font-family: var(--hd-hand);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--hd-ink);
  background: var(--hd-paper);
  border: var(--hd-border);
  border-radius: var(--hd-radius);
  padding: 0.6rem 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  transform: rotate(-0.6deg);
  box-shadow: var(--hd-shadow);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}
.hd-btn:hover {
  transform: rotate(0.5deg) translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--hd-ink), 9px 9px 0 rgba(0, 0, 0, 0.08);
}
.hd-btn:active {
  transform: rotate(0deg) translate(3px, 3px);
  box-shadow: var(--hd-shadow-press);
}
.hd-btn:focus-visible {
  outline: 3px dashed var(--hd-link);
  outline-offset: 3px;
}

/* lavender fill, like Login / Register in the sketches */
.hd-btn-lav { background: var(--hd-lavender); }
.hd-btn-lav:hover { background: var(--hd-lavender-dark); }

/* extra-extruded 3D */
.hd-btn-3d {
  box-shadow: 4px 4px 0 var(--hd-ink),
              8px 8px 0 var(--hd-lavender-dark),
              12px 12px 0 rgba(0, 0, 0, 0.06);
}
.hd-btn-3d:hover {
  box-shadow: 5px 5px 0 var(--hd-ink),
              10px 10px 0 var(--hd-lavender-dark),
              14px 14px 0 rgba(0, 0, 0, 0.06);
}
.hd-btn-3d:active { box-shadow: var(--hd-shadow-press); }

/* ---------- inputs ---------- */
.hd-input {
  font-family: var(--hd-hand);
  font-size: 1.3rem;
  color: var(--hd-ink);
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 0.9rem;
  background-color: var(--hd-lavender);
  background-image: repeating-linear-gradient(
    -3deg,
    rgba(255, 255, 255, 0.28) 0 6px,
    rgba(17, 17, 17, 0.03) 6px 12px
  );
  border: var(--hd-border);
  border-radius: 12px 16px 11px 18px / 16px 11px 18px 12px;
  box-shadow: 3px 3px 0 var(--hd-ink);
  outline: none;
  transform: rotate(0.4deg);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.hd-input::placeholder { color: rgba(17, 17, 17, 0.45); }
.hd-input:focus {
  background-color: var(--hd-lavender-dark);
  box-shadow: 5px 5px 0 var(--hd-ink);
  transform: rotate(-0.8deg) scale(1.01);
  animation: hd-focus-wobble 0.45s ease;
}
@keyframes hd-focus-wobble {
  0%   { transform: rotate(0.4deg) scale(1); }
  30%  { transform: rotate(-1.6deg) scale(1.015); }
  60%  { transform: rotate(0.9deg) scale(1.01); }
  100% { transform: rotate(-0.8deg) scale(1.01); }
}

/* underline style: "Price: ____" */
.hd-input-line {
  font-family: var(--hd-hand);
  font-size: 1.35rem;
  color: var(--hd-ink);
  background: transparent;
  border: none;
  border-bottom: 3px solid var(--hd-ink);
  border-radius: 0;
  padding: 0.15rem 0.5rem;
  outline: none;
  min-width: 8rem;
  transform: rotate(-0.5deg);
}
.hd-input-line::placeholder { color: rgba(17, 17, 17, 0.35); }
.hd-input-line:focus { border-bottom-color: var(--hd-link); }

/* ---------- sketch brackets ---------- */
/* .hd-bracket draws [ ] with ::before / ::after.
   Use .hd-bracket-left or .hd-bracket-right for a single side. */
.hd-bracket,
.hd-bracket-left,
.hd-bracket-right {
  position: relative;
  display: inline-block;
  padding: 0.35rem 1rem;
}
.hd-bracket::before,
.hd-bracket-left::before,
.hd-bracket::after,
.hd-bracket-right::after {
  content: "";
  position: absolute;
  top: -5px;
  bottom: -5px;
  width: 13px;
  pointer-events: none;
}
.hd-bracket::before,
.hd-bracket-left::before {
  left: -4px;
  border: var(--hd-border);
  border-right: none;
  border-radius: 16px 4px 4px 16px / 20px 4px 4px 20px;
  transform: rotate(-1.2deg);
}
.hd-bracket::after,
.hd-bracket-right::after {
  right: -4px;
  border: var(--hd-border);
  border-left: none;
  border-radius: 4px 16px 16px 4px / 4px 20px 20px 4px;
  transform: rotate(1.2deg);
}

/* ---------- cards ---------- */
.hd-card-3d {
  background: var(--hd-paper);
  border: var(--hd-border);
  border-radius: 16px 20px 15px 22px / 20px 15px 22px 16px;
  box-shadow: 6px 6px 0 var(--hd-ink), 12px 12px 0 rgba(0, 0, 0, 0.07);
  padding: 1.25rem 1.5rem;
  transform: rotate(-0.4deg);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.hd-card-3d:hover {
  transform: rotate(0.3deg) translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--hd-ink), 14px 14px 0 rgba(0, 0, 0, 0.07);
}

/* ---------- checkbox ---------- */
.hd-check {
  width: 32px;
  height: 32px;
  flex: none;
  display: inline-grid;
  place-items: center;
  background: var(--hd-lavender);
  border: var(--hd-border);
  border-radius: 8px 11px 7px 12px / 11px 7px 12px 8px;
  box-shadow: 3px 3px 0 var(--hd-ink);
  transform: rotate(-2deg);
  cursor: pointer;
  padding: 0;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}
.hd-check:hover { transform: rotate(1deg) scale(1.06); }
.hd-check:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--hd-ink); }
.hd-check:focus-visible { outline: 3px dashed var(--hd-link); outline-offset: 3px; }
.hd-check-mark {
  width: 9px;
  height: 17px;
  border: solid var(--hd-ink);
  border-width: 0 4px 4px 0;
  border-radius: 2px;
  transform: rotate(42deg) translate(-1px, -2px);
  opacity: 0;
}
.hd-check[aria-checked="true"] { background: var(--hd-star); }
.hd-check[aria-checked="true"] .hd-check-mark { opacity: 1; }

/* ---------- stars & sparkles ---------- */
.hd-star {
  width: 34px;
  height: 34px;
  flex: none;
  display: inline-block;
  background: var(--hd-star);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%,
                     50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  filter: drop-shadow(2px 2px 0 var(--hd-ink));
}
.hd-stars { display: inline-flex; align-items: center; gap: 7px; }
.hd-twinkle { animation: hd-twinkle 1.8s ease-in-out infinite; }
@keyframes hd-twinkle {
  0%, 100% { transform: scale(1) rotate(-4deg); }
  50%      { transform: scale(1.2) rotate(7deg); }
}
.hd-sparkle {
  width: 26px;
  height: 26px;
  flex: none;
  display: inline-block;
  background: var(--hd-star);
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%,
                     50% 100%, 38% 62%, 0% 50%, 38% 38%);
  filter: drop-shadow(1.5px 1.5px 0 var(--hd-ink));
}

/* ---------- moon (crescent) ---------- */
.hd-moon {
  width: 58px;
  height: 58px;
  flex: none;
  border-radius: 50%;
  box-shadow: inset -14px 8px 0 0 var(--hd-moon);
  filter: drop-shadow(2px 2px 0 var(--hd-ink));
  transform: rotate(-10deg);
}

/* ---------- links ---------- */
.hd-link {
  font-family: var(--hd-hand);
  font-weight: 700;
  color: var(--hd-link);
  text-decoration: none;
  padding-bottom: 5px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='9' viewBox='0 0 48 9'%3E%3Cpath d='M1 5 Q 7 1, 13 5 T 25 5 T 37 5 T 49 5' fill='none' stroke='%236a5cff' stroke-width='2.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: 0 100%;
  background-size: 48px 9px;
}
.hd-link:hover { color: var(--hd-ink); }

/* ---------- doodles ---------- */
/* arrow: <span class="hd-arrow"></span> */
.hd-arrow {
  position: relative;
  display: inline-block;
  width: 66px;
  height: 5px;
  background: var(--hd-ink);
  border-radius: 4px;
  transform: rotate(-2deg);
}
.hd-arrow::after {
  content: "";
  position: absolute;
  right: 1px;
  top: 50%;
  width: 15px;
  height: 15px;
  border-top: 5px solid var(--hd-ink);
  border-right: 5px solid var(--hd-ink);
  border-radius: 0 5px 0 0;
  transform: translateY(-50%) rotate(45deg);
}

/* down arrow with dotted trail, like the sketches */
.hd-arrow-down {
  position: relative;
  display: inline-block;
  width: 5px;
  height: 56px;
  margin-top: 28px;
  background: var(--hd-ink);
  border-radius: 4px;
  transform: rotate(1.5deg);
}
.hd-arrow-down::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 15px;
  height: 15px;
  border-bottom: 5px solid var(--hd-ink);
  border-right: 5px solid var(--hd-ink);
  border-radius: 0 0 5px 0;
  transform: translateX(-50%) rotate(45deg);
}
.hd-arrow-down::before {
  content: "...";
  position: absolute;
  top: -34px;
  left: 50%;
  transform: translateX(-50%) rotate(-90deg);
  font-weight: 700;
  letter-spacing: 3px;
  font-family: var(--hd-hand);
}

/* cart icon, drawn with CSS:
   <span class="hd-cart"><span class="hd-cart-handle"></span>
   <span class="hd-cart-basket"></span>
   <span class="hd-cart-wheel w1"></span><span class="hd-cart-wheel w2"></span></span> */
.hd-cart {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 40px;
  flex: none;
}
.hd-cart-handle {
  position: absolute;
  top: 3px;
  left: 0;
  width: 13px;
  height: 5px;
  background: var(--hd-ink);
  border-radius: 4px;
  transform: rotate(-24deg);
}
.hd-cart-basket {
  position: absolute;
  top: 8px;
  left: 9px;
  width: 31px;
  height: 17px;
  background: var(--hd-paper);
  border: 3px solid var(--hd-ink);
  border-radius: 3px 5px 9px 7px;
  transform: skewX(-9deg) rotate(-1deg);
}
.hd-cart-wheel {
  position: absolute;
  bottom: 0;
  width: 11px;
  height: 11px;
  background: var(--hd-paper);
  border: 3px solid var(--hd-ink);
  border-radius: 50%;
}
.hd-cart-wheel.w1 { left: 14px; }
.hd-cart-wheel.w2 { left: 32px; }

/* little robot doodle:
   <span class="hd-robot"><span class="hd-robot-head"><span class="hd-robot-eyes"><i></i><i></i></span></span>
   <span class="hd-robot-body"></span></span> */
.hd-robot { display: inline-flex; flex-direction: column; align-items: center; }
.hd-robot-head {
  position: relative;
  width: 46px;
  height: 36px;
  background: #d9d9d9;
  border: var(--hd-border);
  border-radius: 10px 13px 9px 14px / 13px 9px 14px 10px;
  transform: rotate(-2deg);
  box-shadow: 3px 3px 0 var(--hd-ink);
}
.hd-robot-head::before {
  content: "";
  position: absolute;
  top: -15px;
  left: 50%;
  width: 4px;
  height: 15px;
  margin-left: -2px;
  background: var(--hd-ink);
  border-radius: 3px;
}
.hd-robot-head::after {
  content: "";
  position: absolute;
  top: -22px;
  left: 50%;
  width: 11px;
  height: 11px;
  margin-left: -5.5px;
  background: #ff5a5a;
  border: 3px solid var(--hd-ink);
  border-radius: 50%;
  box-sizing: border-box;
}
.hd-robot-eyes {
  position: absolute;
  top: 12px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
}
.hd-robot-eyes i {
  width: 7px;
  height: 9px;
  background: var(--hd-ink);
  border-radius: 50%;
  display: block;
}
.hd-robot-body {
  position: relative;
  width: 58px;
  height: 42px;
  margin-top: 7px;
  background: #a8e6a1;
  border: var(--hd-border);
  border-radius: 48% 52% 46% 54% / 62% 64% 38% 36%;
  transform: rotate(1.5deg);
  box-shadow: 3px 3px 0 var(--hd-ink);
}
.hd-robot-body::before,
.hd-robot-body::after {
  content: "";
  position: absolute;
  top: 8px;
  width: 9px;
  height: 24px;
  background: #a8e6a1;
  border: 3px solid var(--hd-ink);
  border-radius: 8px;
}
.hd-robot-body::before { left: -14px; transform: rotate(8deg); }
.hd-robot-body::after { right: -14px; transform: rotate(-8deg); }

/* ---------- 3D page wrapper ---------- */
/* perspective tilt on hover, floating paper shadow */
.page-3d {
  background: var(--hd-paper);
  border: var(--hd-border);
  border-radius: 18px 22px 17px 24px / 22px 17px 24px 18px;
  box-shadow: 8px 8px 0 var(--hd-ink), 16px 16px 0 rgba(0, 0, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-3d:hover {
  transform: perspective(1000px) rotateX(2deg) rotateY(-2deg) translateY(-4px);
  box-shadow: 11px 11px 0 var(--hd-ink), 20px 20px 0 rgba(0, 0, 0, 0.06);
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  .hd-btn, .hd-card-3d, .page-3d, .hd-input, .hd-check { transition: none; }
  .hd-input:focus { animation: none; }
  .hd-twinkle { animation: none; }
  .page-3d:hover { transform: none; }
}