/* ASCS Lounge — Kids Build Lab */
.kids-page main { padding-top: 10px; }
.kb-shell { padding-bottom: 20px; }
.kb-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding: 16px 0 22px; }
.kb-top h1 { margin: 8px 0 8px; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -.055em; }
.kb-top p { max-width: 66ch; margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.65; }
.kb-top-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }
.kb-mode { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border: 1px solid rgba(110,231,183,.3); border-radius: 999px; color: var(--green); font-family: ui-monospace, monospace; font-size: .58rem; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.kb-mode::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px rgba(110,231,183,.8); }
.kb-mode.warn { border-color: rgba(251,191,36,.35); color: var(--amber); }
.kb-mode.warn::before { background: var(--amber); }
.kb-top-actions .btn { padding: 7px 10px; font-size: .68rem; }
.kb-grid { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(340px,.92fr); gap: 18px; align-items: start; }
.kb-bench, .kb-parts { border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(160deg, rgba(20,22,35,.92), rgba(10,12,19,.92)); box-shadow: 0 18px 50px rgba(0,0,0,.25); overflow: hidden; }
.kb-bench { padding: 16px; }
.kb-case {
  position: relative; min-height: 330px; border: 1px solid rgba(129,140,248,.24); border-radius: 14px;
  background:
    radial-gradient(420px 220px at 20% 0%, rgba(129,140,248,.13), transparent 60%),
    radial-gradient(320px 260px at 100% 100%, rgba(110,231,183,.07), transparent 65%),
    #0b0e16;
  padding: 14px; overflow: hidden;
}
.kb-case::after { content: ''; position: absolute; inset: 7px; border: 1px solid rgba(255,255,255,.04); border-radius: 10px; pointer-events: none; }
.kb-case.kb-booting { animation: kbBoot 1.1s ease-in-out; box-shadow: 0 0 0 1px rgba(110,231,183,.35), 0 0 50px rgba(110,231,183,.12); }
.kb-case.kb-shake { animation: kbShake .38s ease; }
@keyframes kbBoot { 0%,100% { filter: brightness(1); } 35% { filter: brightness(1.3); } 60% { filter: brightness(.85); } }
@keyframes kbShake { 0%,100% { transform: translateX(0); } 20% { transform: translateX(-6px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(3px); } }
.kb-case-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
.kb-case-brand { display: flex; align-items: baseline; gap: 6px; font-weight: 900; letter-spacing: .06em; font-size: .72rem; }
.kb-case-brand span { color: var(--accent-2); font-size: .58rem; font-family: ui-monospace, monospace; letter-spacing: .12em; }
.kb-case-leds { display: flex; gap: 4px; }
.kb-case-leds i { width: 5px; height: 5px; border-radius: 50%; background: rgba(110,231,183,.7); box-shadow: 0 0 7px rgba(110,231,183,.5); }
.kb-case-leds i:nth-child(2) { background: rgba(129,140,248,.8); }
.kb-case-leds i:nth-child(3) { background: rgba(251,191,36,.65); }
.kb-slots { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.kb-slot {
  display: flex; align-items: center; gap: 9px; min-height: 58px; padding: 9px 10px;
  border: 1px dashed var(--border-2); border-radius: 9px; background: rgba(255,255,255,.018);
  color: var(--text); text-align: left; cursor: pointer; transition: border-color .16s, background .16s, transform .16s;
}
.kb-slot:hover { border-color: rgba(129,140,248,.55); background: rgba(129,140,248,.06); transform: translateY(-1px); }
.kb-slot.filled { border-style: solid; border-color: rgba(110,231,183,.27); background: rgba(110,231,183,.045); }
.kb-slot.active { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(129,140,248,.25); }
.kb-slot-icon { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 7px; background: rgba(129,140,248,.1); font-size: 1rem; flex: 0 0 auto; }
.kb-slot-copy { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.kb-slot-copy small { color: var(--dim); font-size: .54rem; letter-spacing: .07em; text-transform: uppercase; }
.kb-slot-copy strong { font-size: .74rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kb-slot > b { margin-left: auto; color: var(--accent-2); font-family: ui-monospace, monospace; font-size: .66rem; }
.kb-slot.filled > b { color: var(--green); }
.kb-case-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 12px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.06); color: var(--dim); font-size: .64rem; }
.kb-case-foot strong { color: var(--text); }
.kb-checks { display: flex; flex-direction: column; gap: 5px; margin-top: 12px; }
.kb-check { display: flex; align-items: flex-start; gap: 8px; padding: 8px 10px; border-radius: 7px; list-style: none; font-size: .7rem; line-height: 1.45; }
.kb-check p { margin: 0; }
.kb-check span { width: 16px; height: 16px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; font-size: .58rem; font-weight: 800; }
.kb-check.bad { background: rgba(248,113,113,.07); color: #fca5a5; }
.kb-check.bad span { background: rgba(248,113,113,.16); }
.kb-check.good { background: rgba(110,231,183,.07); color: #6ee7b7; }
.kb-check.good span { background: rgba(110,231,183,.16); }
.kb-check.info { background: rgba(129,140,248,.06); color: #c7d2fe; }
.kb-check.info span { background: rgba(129,140,248,.15); }
.kb-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.kb-actions .btn { padding: 8px 11px; font-size: .7rem; }
.kb-actions .btn:disabled { opacity: .65; cursor: default; }
.kb-actions .kb-small { background: none; border: 0; color: var(--dim); font-size: .66rem; cursor: pointer; padding: 5px; }
.kb-actions .kb-small:hover { color: var(--text); }

.kb-parts { display: flex; flex-direction: column; min-height: 520px; }
.kb-parts-head { padding: 15px 15px 0; }
.kb-parts-head h2 { margin: 0 0 3px; font-size: 1.02rem; letter-spacing: -.03em; }
.kb-parts-head p { margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.5; min-height: 32px; }
.kb-tabs { display: flex; gap: 5px; overflow-x: auto; padding: 10px 15px 8px; scrollbar-width: none; }
.kb-tabs::-webkit-scrollbar { display: none; }
.kb-tab { display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto; padding: 6px 8px; border: 1px solid var(--border); border-radius: 7px; background: rgba(255,255,255,.02); color: var(--muted); font-size: .62rem; cursor: pointer; }
.kb-tab span { font-size: .8rem; }
.kb-tab:hover { border-color: rgba(129,140,248,.4); color: var(--text); }
.kb-tab.active { border-color: rgba(129,140,248,.55); background: rgba(129,140,248,.12); color: var(--text); }
.kb-tab.done { color: var(--green); }
.kb-part-list { display: flex; flex-direction: column; gap: 7px; padding: 4px 15px 15px; overflow-y: auto; }
.kb-part {
  display: flex; flex-direction: column; gap: 5px; padding: 11px; border: 1px solid var(--border);
  border-radius: 9px; background: var(--card); color: var(--text); text-align: left; cursor: pointer;
  transition: border-color .16s, background .16s, transform .16s;
}
.kb-part:hover { border-color: rgba(129,140,248,.45); background: #171b28; transform: translateY(-1px); }
.kb-part.selected { border-color: rgba(110,231,183,.45); background: rgba(110,231,183,.055); box-shadow: inset 0 0 0 1px rgba(110,231,183,.08); }
.kb-part-top { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.kb-part-top strong { font-size: .8rem; }
.kb-part-top b { color: var(--accent-2); font-family: ui-monospace, monospace; font-size: .7rem; }
.kb-part-blurb { color: var(--muted); font-size: .68rem; line-height: 1.45; }
.kb-part-specs { display: flex; flex-wrap: wrap; gap: 4px; }
.kb-part-specs em { padding: 2px 5px; border-radius: 4px; background: rgba(129,140,248,.1); color: var(--accent-2); font-style: normal; font-family: ui-monospace, monospace; font-size: .54rem; }
.kb-part-action { margin-top: 1px; color: var(--dim); font-size: .58rem; letter-spacing: .04em; text-transform: uppercase; }
.kb-part.selected .kb-part-action { color: var(--green); }

.kb-overlay { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 18px; background: rgba(5,7,12,.76); backdrop-filter: blur(8px); }
.kb-overlay[hidden] { display: none; }
.kb-dialog { width: min(560px, 100%); max-height: min(86vh, 900px); overflow-y: auto; padding: 22px; border: 1px solid rgba(129,140,248,.36); border-radius: 16px; background: linear-gradient(160deg, #171b2a, #0b0e16); box-shadow: 0 30px 100px rgba(0,0,0,.6); }
.kb-result-kicker { color: var(--accent-2); font-family: ui-monospace, monospace; font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; }
.kb-dialog h2 { margin: 7px 0 8px; font-size: 1.5rem; letter-spacing: -.04em; }
.kb-dialog p { color: var(--muted); font-size: .78rem; line-height: 1.6; margin: 0 0 13px; }
.kb-result-title { color: var(--text) !important; font-weight: 700; }
.kb-result-score { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; margin: 12px 0; }
.kb-result-score > div { padding: 10px; border: 1px solid var(--border); border-radius: 8px; background: rgba(255,255,255,.02); display: flex; flex-direction: column; gap: 2px; }
.kb-result-score b { font-size: 1.05rem; letter-spacing: -.02em; }
.kb-result-score small { color: var(--dim); font-size: .54rem; letter-spacing: .06em; text-transform: uppercase; }
.kb-result-list { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-direction: column; gap: 4px; }
.kb-result-list li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,.05); font-size: .7rem; }
.kb-result-list span { color: var(--dim); }
.kb-result-actions, .kb-parent-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.kb-result-actions .btn, .kb-parent-actions .btn { padding: 8px 12px; font-size: .72rem; }
.kb-parent label.kb-toggle { display: flex; gap: 8px; align-items: flex-start; padding: 9px 0; color: var(--muted); font-size: .76rem; line-height: 1.45; border-bottom: 1px solid rgba(255,255,255,.05); }
.kb-parent label.kb-toggle input { margin-top: 2px; accent-color: var(--accent); }
.kb-parent label.kb-select, .kb-parent label.kb-select { display: flex; flex-direction: column; gap: 5px; margin: 9px 0; color: var(--muted); font-size: .7rem; }
.kb-parent label.kb-select input, .kb-parent label.kb-select select { width: 100%; padding: 9px 10px; border: 1px solid var(--border-2); border-radius: 7px; background: var(--bg); color: var(--text); font: inherit; font-size: .8rem; }
.kb-fine { color: var(--dim) !important; font-size: .64rem !important; margin-top: 12px !important; }
.kb-toast { position: fixed; left: 50%; bottom: 20px; z-index: 1100; transform: translateX(-50%); width: min(520px, calc(100vw - 30px)); padding: 11px 14px; border: 1px solid rgba(129,140,248,.4); border-radius: 9px; background: #171b2a; color: var(--text); font-size: .74rem; box-shadow: 0 16px 50px rgba(0,0,0,.5); }
.kb-toast[hidden] { display: none; }
.kb-confetti { position: fixed; top: -10px; z-index: 1200; width: 7px; height: 11px; border-radius: 2px; pointer-events: none; animation: kbFall 1.9s ease-in forwards; }
@keyframes kbFall { 0% { opacity: 1; transform: translateY(0) rotate(0); } 100% { opacity: 0; transform: translateY(105vh) rotate(540deg); } }

@media (max-width: 1040px) {
  .kb-grid { grid-template-columns: 1fr; }
  .kb-parts { min-height: 0; }
}
@media (max-width: 700px) {
  .kb-top { flex-direction: column; align-items: flex-start; gap: 12px; }
  .kb-top h1 { font-size: clamp(1.9rem, 9vw, 2.7rem); }
  .kb-top-actions { justify-content: flex-start; }
  .kb-case { min-height: 0; padding: 11px; }
  .kb-slots { grid-template-columns: 1fr; gap: 6px; }
  .kb-slot { min-height: 51px; padding: 7px 9px; }
  .kb-parts { min-height: 0; }
  .kb-dialog { padding: 17px; }
  .kb-result-score { grid-template-columns: 1fr 1fr; }
  .kb-result-score > div:last-child { grid-column: 1 / -1; }
}

/* Parent cloud sync */
.kb-cloud { display: flex; flex-direction: column; gap: 5px; margin: 11px 0; padding: 11px; border: 1px solid rgba(129,140,248,.24); border-radius: 8px; background: rgba(129,140,248,.05); }
.kb-cloud strong { font-size: .74rem; color: var(--text); }
.kb-cloud p { margin: 0; color: var(--muted); font-size: .66rem; line-height: 1.5; }
.kb-cloud .btn { align-self: flex-start; padding: 6px 9px; font-size: .64rem; }
.kb-cloud span { color: var(--green); font-size: .62rem; }