.kc-celestial{--kc-ink:#2b2433;--kc-ink-2:#6e6478;--kc-ink-3:#a89fb0;--kc-gold:#e6b84d;--kc-filament:#d9b65e;--kc-glass:rgba(255,255,255,0.6);--kc-accent:#7c63e0;color:var(--kc-ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}.kc-aurora{position:relative;background:radial-gradient(120% 70% at 22% 6%,rgba(255,236,205,.7),transparent 52%),radial-gradient(80% 60% at 92% 18%,rgba(199,112,216,.26),transparent 60%),linear-gradient(170deg,#fdeede,#f7e6ee 55%,#efe6fb)}.kc-library-canvas{position:relative;background:linear-gradient(180deg,#fbeede,#f6ecdd)}.kc-library-canvas:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(201,162,39,.07) 0 2px,transparent 2px 78px);opacity:.7;pointer-events:none}.kc-study-canvas{position:relative;background:linear-gradient(170deg,#fffaf2,#fdeef0 60%,#f3ecfb)}.kc-thread{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none}@keyframes kcTwinkle{0%,to{opacity:.3}50%{opacity:1}}@keyframes kcFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}.kc-thread circle{animation:kcTwinkle 3s infinite}.kc-float{animation:kcFloat 6s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.kc-float,.kc-thread circle{animation:none!important}}.kc-frost{background:rgba(255,255,255,.66);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);border:1px solid rgba(255,255,255,.85)}.kc-deck-tile{position:relative;border-radius:18px;padding:14px;background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.85);box-shadow:0 16px 34px -18px rgba(80,40,90,.4);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;outline:1px solid color-mix(in srgb,var(--tile-hue,#7c63e0) 22%,transparent);outline-offset:-1px}.kc-deck-tile:hover{transform:translateY(-3px);box-shadow:0 22px 44px -18px color-mix(in srgb,var(--tile-hue,#7c63e0) 45%,rgba(80,40,90,.4));border-color:color-mix(in srgb,var(--tile-hue,#7c63e0) 40%,rgba(255,255,255,.85))}.kc-deck-tile:focus-visible{outline:2px solid var(--tile-hue,#7c63e0);outline-offset:2px}@media (prefers-reduced-motion:reduce){.kc-deck-tile,.kc-deck-tile:hover{transform:none;transition:none}}.kc-tile-back{position:relative;width:100%;display:flex;justify-content:center;pointer-events:none}.kc-scale{position:absolute;top:0;left:0;width:320px;transform-origin:top left}.kc-hue-dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--tile-hue,var(--kc-gold))}.kc-section-rule{flex:1;height:1px;background:linear-gradient(90deg,var(--kc-filament),transparent)}.kc-showcase-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:34px;max-width:1500px;margin:0 auto}.kc-showcase-cell{display:flex;flex-direction:column;align-items:center;gap:12px}.kc-showcase-host{width:300px;max-width:100%;height:420px}.kc-showcase-cap{font-weight:700;text-transform:capitalize;letter-spacing:.2px;text-align:center}.kc-showcase-cap small{display:block;font-weight:500;color:var(--kc-ink-2);text-transform:none;font-size:12.5px;margin-top:2px}.kc-showcase-miss{display:flex;align-items:center;justify-content:center;width:300px;height:420px;border:1px dashed #cbb;border-radius:22px;color:#a59;text-align:center;padding:0 16px}.kc-showcase-error{max-width:460px;margin:48px auto;text-align:center;border-radius:20px;border:1px solid #fcd9a3;background:#fff7ec;padding:40px 28px;color:#8a5a13}.kc-showcase-error-emoji{font-size:38px;margin:0 0 8px}.kc-showcase-error-title{font-weight:700;margin:0 0 6px;color:#7a4e0e}.kc-showcase-error-body{font-size:14px;line-height:1.5;margin:0 auto 18px;max-width:36ch}.kc-showcase-error-btn{appearance:none;border:none;cursor:pointer;min-height:44px;padding:0 22px;border-radius:12px;background:var(--kc-accent);color:#fff;font-weight:600;font-size:15px}.kc-showcase-error-btn:focus-visible{outline:2px solid #7a4e0e;outline-offset:2px}