/* ═══════════════════════════════════════════
   SANDBOX — a Bruno-Simon-style toy world.
   Warm sand + sky, chunky floating blocks,
   and a little red car you can actually drive.
   ═══════════════════════════════════════════ */
[data-theme='sandbox'] {
  /* toy-world palette */
  --sb-sky:   #dcefff;
  --sb-haze:  #f4ead6;
  --sb-sand:  #e6cfa6;
  --sb-sand-deep: #d3b483;
  --sb-ink:   #3a2e24;   /* warm near-black */
  --sb-muted: #8a7663;
  --sb-card:  #fffdf7;

  /* playful block accents (rotated across the grid) */
  --sb-red:    #e8503a;
  --sb-yellow: #ffca3a;
  --sb-green:  #8ac926;
  --sb-blue:   #4d9de0;
  --sb-purple: #9b5de5;

  /* wired tokens */
  --bg: var(--sb-sand);
  --surface: var(--sb-card);
  --text: var(--sb-ink);
  --text-muted: var(--sb-muted);
  --accent: var(--sb-red);
  --border: #e7dcc6;
  --radius: 18px;
  --font: 'Nunito', system-ui, sans-serif;
  --font-display: 'Fredoka', var(--font);
  --font-size: 15px;
}

/* fixed sky→sand world behind everything */
[data-theme='sandbox'] body {
  color: var(--text);
  font-family: var(--font);
  font-size: var(--font-size);
  background:
    linear-gradient(180deg,
      var(--sb-sky) 0%,
      var(--sb-haze) 42%,
      var(--sb-sand) 78%,
      var(--sb-sand-deep) 100%);
  background-attachment: fixed;
}
[data-theme='sandbox'] #app {
  position: relative;
  z-index: 1;
  padding-top: 68px;
  padding-bottom: 96px;   /* room for the ground + car */
}
[data-theme='sandbox'] ::selection { background: var(--sb-red); color: #fff; }
[data-theme='sandbox'] .loading { color: var(--sb-muted); }

/* ── top bar: a chunky floating toy panel ── */
[data-theme='sandbox'] #toolbar {
  position: fixed; top: 12px; left: 50%; transform: translateX(-50%);
  z-index: 100;
  width: min(928px, calc(100% - 24px));
  padding: 10px 16px;
  background: rgba(255,253,247,0.9);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 2px solid var(--sb-ink);
  border-radius: 999px;
  box-shadow: 0 6px 0 rgba(58,46,36,0.18);
}
[data-theme='sandbox'] #toolbar h1 {
  font-family: var(--font-display);
  font-weight: 700; font-size: 20px; letter-spacing: -0.01em;
  color: var(--sb-ink);
}
[data-theme='sandbox'] #toolbar h1::before {
  content: '\1F697';                 /* 🚗 */
  margin-right: 8px; font-size: 18px;
}

/* back link → a candy pill button */
[data-theme='sandbox'] .back-link {
  font-family: var(--font-display); font-weight: 600; font-size: 13px;
  color: #fff; background: var(--sb-red);
  border: 2px solid var(--sb-ink); border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 0 3px 0 rgba(58,46,36,0.35);
  transition: transform .1s ease, box-shadow .1s ease;
}
[data-theme='sandbox'] .back-link:hover {
  background: var(--sb-red); transform: translateY(-2px);
  box-shadow: 0 5px 0 rgba(58,46,36,0.35);
}
[data-theme='sandbox'] .back-link:active {
  transform: translateY(1px); box-shadow: 0 1px 0 rgba(58,46,36,0.35);
}

/* ── section headings ── */
[data-theme='sandbox'] .section-title {
  font-family: var(--font-display);
  font-weight: 700; font-size: 24px; color: var(--sb-ink);
  display: inline-block; margin-bottom: 16px;
  padding-bottom: 2px;
  border-bottom: 5px solid var(--sb-yellow);
  border-radius: 2px;
}

/* ── the toy blocks: every card ── */
[data-theme='sandbox'] .project-card,
[data-theme='sandbox'] .highlight-card,
[data-theme='sandbox'] .resume-summary,
[data-theme='sandbox'] .profile-card {
  background: var(--sb-card);
  border: 2px solid var(--sb-ink);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(58,46,36,0.16);
  transition: transform .14s ease, box-shadow .14s ease;
}
/* lift + tilt like a block you just picked up */
[data-theme='sandbox'] .project-card:hover,
[data-theme='sandbox'] .highlight-card:hover {
  transform: translate(-2px, -4px) rotate(-0.6deg);
  box-shadow: 10px 12px 0 rgba(58,46,36,0.18);
}
[data-theme='sandbox'] .project-card h3,
[data-theme='sandbox'] .highlight-card strong {
  font-family: var(--font-display); font-weight: 600; color: var(--sb-ink);
}

/* colored top-tab per block → the "different bricks" look
   (scoped to real cards so the Uses columns aren't tagged) */
[data-theme='sandbox'] .grid-2 > .project-card:nth-child(5n+1),
[data-theme='sandbox'] .grid-2 > .highlight-card:nth-child(5n+1) { border-top: 6px solid var(--sb-red); }
[data-theme='sandbox'] .grid-2 > .project-card:nth-child(5n+2),
[data-theme='sandbox'] .grid-2 > .highlight-card:nth-child(5n+2) { border-top: 6px solid var(--sb-yellow); }
[data-theme='sandbox'] .grid-2 > .project-card:nth-child(5n+3),
[data-theme='sandbox'] .grid-2 > .highlight-card:nth-child(5n+3) { border-top: 6px solid var(--sb-green); }
[data-theme='sandbox'] .grid-2 > .project-card:nth-child(5n+4),
[data-theme='sandbox'] .grid-2 > .highlight-card:nth-child(5n+4) { border-top: 6px solid var(--sb-blue); }
[data-theme='sandbox'] .grid-2 > .project-card:nth-child(5n+5),
[data-theme='sandbox'] .grid-2 > .highlight-card:nth-child(5n+5) { border-top: 6px solid var(--sb-purple); }

/* profile = the hero block */
[data-theme='sandbox'] .profile-card {
  box-shadow: 8px 8px 0 rgba(58,46,36,0.16);
}
[data-theme='sandbox'] .profile-card h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 28px;
  color: var(--sb-ink);
}

/* ── links + chips ── */
[data-theme='sandbox'] a { color: var(--sb-red); text-decoration: none; font-weight: 700; }
[data-theme='sandbox'] a:hover { text-decoration: underline; text-underline-offset: 3px; }
[data-theme='sandbox'] .tech-tag {
  font-family: var(--font-display); font-weight: 500; font-size: 11px;
  background: #fff7e6; color: var(--sb-ink);
  border: 1.5px solid var(--sb-ink);
  border-radius: 999px; padding: 2px 9px;
}

/* ═══ the ground + the drivable car ═══ */
[data-theme='sandbox'] .sb-ground {
  position: fixed; left: 0; right: 0; bottom: 0; height: 60px;
  z-index: 90; pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(58,46,36,0.05) 0 2px, transparent 2px 26px),
    linear-gradient(180deg, var(--sb-sand-deep), #c2a06f);
  border-top: 3px solid var(--sb-ink);
  box-shadow: inset 0 6px 12px rgba(58,46,36,0.12);
}
[data-theme='sandbox'] .sb-car {
  position: fixed; bottom: 34px; left: 0;
  width: 88px; z-index: 91;
  transform: translateX(24px);
  will-change: transform;
  cursor: grab;
  filter: drop-shadow(3px 5px 3px rgba(58,46,36,0.28));
}
[data-theme='sandbox'] .sb-car:active { cursor: grabbing; }
[data-theme='sandbox'] .sb-car.flip { }   /* facing handled inline via JS transform */
[data-theme='sandbox'] .sb-car .wheel { transform-box: fill-box; transform-origin: center; }
[data-theme='sandbox'] .sb-car.driving .wheel { animation: sb-spin .5s linear infinite; }
@keyframes sb-spin { to { transform: rotate(360deg); } }

/* little speech bubble (hint / beep) */
[data-theme='sandbox'] .sb-bubble {
  position: fixed; z-index: 95; bottom: 96px;
  transform: translateX(-50%);
  font-family: var(--font-display); font-weight: 600; font-size: 13px;
  color: var(--sb-ink); background: #fff;
  border: 2px solid var(--sb-ink); border-radius: 12px;
  padding: 6px 12px; white-space: nowrap;
  box-shadow: 0 3px 0 rgba(58,46,36,0.2);
  opacity: 0; transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}
[data-theme='sandbox'] .sb-bubble.show { opacity: 1; }
[data-theme='sandbox'] .sb-bubble::after {
  content: ''; position: absolute; left: 50%; bottom: -8px;
  width: 12px; height: 12px; background: #fff; margin-left: -6px;
  border-right: 2px solid var(--sb-ink); border-bottom: 2px solid var(--sb-ink);
  transform: rotate(45deg);
}

/* scrollbar */
[data-theme='sandbox'] ::-webkit-scrollbar { width: 12px; }
[data-theme='sandbox'] ::-webkit-scrollbar-track { background: transparent; }
[data-theme='sandbox'] ::-webkit-scrollbar-thumb {
  background: var(--sb-sand-deep); border: 2px solid var(--sb-ink); border-radius: 999px;
}

@media (prefers-reduced-motion: reduce) {
  [data-theme='sandbox'] .sb-car.driving .wheel { animation: none; }
  [data-theme='sandbox'] .project-card, [data-theme='sandbox'] .highlight-card { transition: none; }
}