/* ===========================================================================
   Lucida — sketchbook/zine design system
   Shared by index.html (landing) and app.html (studio)
   =========================================================================== */

:root {
  /* paper + ink */
  --paper:    #FBF5E6;
  --paper-2:  #F3E9D2;
  --paper-3:  #ECE0C4;
  --ink:      #22201D;
  --ink-soft: #5A544A;

  /* marker accents */
  --yellow: #FFD23F;
  --coral:  #FF6B5E;
  --teal:   #2EC4B6;
  --blue:   #4D9DE0;

  /* lines + shadows */
  --line:    #22201D;
  --shadow:  rgba(34, 32, 29, 0.9);

  --r-rough:  255px 15px 225px 15px / 15px 225px 15px 255px; /* hand-drawn box */
  --r-rough2: 15px 225px 15px 255px / 255px 15px 225px 15px;
  --r-pill:   40px;

  --font-display: "Fredoka", "Comic Sans MS", system-ui, sans-serif;
  --font-hand:    "Patrick Hand", "Comic Sans MS", cursive;
  --font-ui:      ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --maxw: 1080px;
}

/* ---- reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; }

/* subtle paper grain laid over the whole page */
.paper-bg {
  position: relative;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 50% 50%, rgba(0,0,0,.015) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(0,0,0,.02) 1px, transparent 1px);
  background-size: 7px 7px, 13px 13px;
  background-position: 0 0, 4px 6px;
}

/* ---- typography -------------------------------------------------------- */
.display { font-family: var(--font-display); font-weight: 600; line-height: 1.02; letter-spacing: -.5px; }
.hand    { font-family: var(--font-hand); }
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -1px;
}

/* ---- the hand-drawn button (chunky, marker shadow) --------------------- */
.btn {
  --btn-bg: var(--paper);
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  background: var(--btn-bg);
  border: 2.5px solid var(--ink);
  border-radius: var(--r-rough);
  padding: .7rem 1.4rem;
  box-shadow: 4px 4px 0 var(--shadow);
  transition: transform .08s ease, box-shadow .08s ease, background .15s ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.btn:hover { transform: translate(-1px,-1px); box-shadow: 6px 6px 0 var(--shadow); }
.btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--shadow); }
.btn--lg { font-size: 1.3rem; padding: .9rem 1.8rem; border-radius: var(--r-rough2); }
.btn--yellow { --btn-bg: var(--yellow); }
.btn--coral  { --btn-bg: var(--coral); }
.btn--teal   { --btn-bg: var(--teal); }
.btn--ghost  { box-shadow: none; border-style: dashed; }
.btn--icon   { padding: .6rem; border-radius: 50%; }

/* round icon toggle used in the studio toolbar */
.tool {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 60% 40% 55% 45% / 50% 55% 45% 50%;
  box-shadow: 3px 3px 0 var(--shadow);
  color: var(--ink);
  transition: transform .08s ease, box-shadow .08s ease, background .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.tool svg { width: 26px; height: 26px; }
.tool:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--shadow); }
.tool[aria-pressed="true"], .tool.is-active {
  background: var(--yellow);
  transform: rotate(-2deg);
}
.tool[disabled] { opacity: .4; pointer-events: none; }

/* ---- card / panel ------------------------------------------------------ */
.card {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: var(--r-rough);
  box-shadow: 5px 5px 0 var(--shadow);
  padding: 1.4rem;
}
.tape {
  position: absolute; top: -12px; left: 50%;
  width: 84px; height: 26px;
  transform: translateX(-50%) rotate(-3deg);
  background: rgba(255,210,63,.55);
  border: 1px dashed rgba(34,32,29,.25);
}

/* ---- marker-style range slider ----------------------------------------- */
.slider { width: 100%; appearance: none; background: transparent; cursor: pointer; }
.slider::-webkit-slider-runnable-track {
  height: 10px; border: 2.5px solid var(--ink); border-radius: var(--r-pill);
  background: repeating-linear-gradient(90deg, var(--paper-2) 0 8px, var(--paper-3) 8px 12px);
}
.slider::-moz-range-track {
  height: 10px; border: 2.5px solid var(--ink); border-radius: var(--r-pill);
  background: var(--paper-2);
}
.slider::-webkit-slider-thumb {
  appearance: none; width: 26px; height: 26px; margin-top: -10px;
  background: var(--coral); border: 2.5px solid var(--ink); border-radius: 50%;
  box-shadow: 2px 2px 0 var(--shadow);
}
.slider::-moz-range-thumb {
  width: 26px; height: 26px;
  background: var(--coral); border: 2.5px solid var(--ink); border-radius: 50%;
  box-shadow: 2px 2px 0 var(--shadow);
}

/* ---- misc helpers ------------------------------------------------------ */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.wobble { display: inline-block; }
.wobble:hover { animation: wobble .5s ease both; }
@keyframes wobble {
  0%,100% { transform: rotate(0); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}

/* the squiggle underline used under headings */
.squiggle { display: block; width: 220px; max-width: 60%; height: 14px; margin: .4rem auto 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}