.k40dw-app{
  --k40dw-bg:#f7f8fc;
  --k40dw-card:#ffffff;
  --k40dw-ink:#1f2937;
  --k40dw-muted:#667085;
  --k40dw-line:#e6e8ef;
  --k40dw-primary:#6750a4;
  --k40dw-primary2:#8b5cf6;
  --k40dw-soft:#f1edff;
  --k40dw-shadow:0 14px 35px rgba(31,41,55,.10);
  color:var(--k40dw-ink);
  font-family:"Noto Sans TC","Noto Sans KR","Microsoft JhengHei",Arial,sans-serif;
}
.k40dw-app *{box-sizing:border-box}
.k40dw-app .k40dw-wrap{
  max-width:1080px;
  margin:auto;
  padding:28px 18px 48px;
  background:linear-gradient(135deg,#f9f7ff 0%,#f4f8ff 48%,#f7fbf9 100%);
  border-radius:26px;
}
.k40dw-app .k40dw-hero{text-align:center;padding:24px 16px 20px}
.k40dw-app .k40dw-hero h2{
  margin:0 0 10px;
  font-size:clamp(30px,5vw,48px);
  line-height:1.2;
  letter-spacing:.04em;
}
.k40dw-app .k40dw-hero p{margin:0;color:var(--k40dw-muted);font-size:16px}
.k40dw-app .k40dw-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}
.k40dw-app .k40dw-card{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--k40dw-shadow);
  border-radius:24px;
  padding:24px;
}
.k40dw-app .k40dw-section-title{font-size:20px;font-weight:800;margin:0 0 16px}
.k40dw-app .k40dw-daily-label{
  display:inline-block;background:var(--k40dw-soft);color:var(--k40dw-primary);
  font-weight:800;border-radius:999px;padding:7px 12px;font-size:13px;margin-bottom:14px;
}
.k40dw-app .k40dw-word{font-size:clamp(44px,8vw,72px);font-weight:900;line-height:1.05;margin:6px 0}
.k40dw-app .k40dw-roman{font-size:18px;color:var(--k40dw-primary);font-weight:700;margin:0 0 8px}
.k40dw-app .k40dw-meaning{font-size:22px;font-weight:800;margin:0 0 18px}
.k40dw-app .k40dw-example{
  border-left:4px solid var(--k40dw-primary2);padding:14px 16px;background:#faf9ff;
  border-radius:0 14px 14px 0;margin:18px 0;
}
.k40dw-app .k40dw-ko{font-size:22px;font-weight:800;line-height:1.55}
.k40dw-app .k40dw-rr{font-size:14px;color:var(--k40dw-primary);margin-top:5px;line-height:1.5}
.k40dw-app .k40dw-zh{font-size:15px;color:var(--k40dw-muted);margin-top:6px;line-height:1.6}
.k40dw-app .k40dw-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.k40dw-app .k40dw-btn{
  border:0;border-radius:13px;padding:12px 16px;font-size:15px;font-weight:800;cursor:pointer;
  transition:.18s transform,.18s opacity,.18s box-shadow;font-family:inherit;
}
.k40dw-app .k40dw-btn:hover{transform:translateY(-1px)}
.k40dw-app .k40dw-primary{
  background:linear-gradient(135deg,var(--k40dw-primary),var(--k40dw-primary2));
  color:#fff;box-shadow:0 8px 18px rgba(103,80,164,.25);
}
.k40dw-app .k40dw-secondary{background:#eef2ff;color:#4338ca}
.k40dw-app .k40dw-ghost{background:#eef8f4;color:#08775c}
.k40dw-app .k40dw-notice{font-size:12px;color:var(--k40dw-muted);margin-top:12px;line-height:1.6}
.k40dw-app .k40dw-hangul-table{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}
.k40dw-app .k40dw-sound{
  background:#fff;border:1px solid var(--k40dw-line);border-radius:14px;text-align:center;
  padding:11px 5px 9px;cursor:pointer;transition:.15s;
}
.k40dw-app .k40dw-sound:hover{border-color:#c4b5fd;background:#faf9ff;transform:translateY(-1px)}
.k40dw-app .k40dw-sound .k40dw-sound-ko{font-size:25px;font-weight:900}
.k40dw-app .k40dw-sound .k40dw-sound-rr{font-size:11px;color:var(--k40dw-muted);margin-top:4px}
.k40dw-app .k40dw-sub{font-size:14px;color:var(--k40dw-muted);line-height:1.7;margin:0 0 14px}
.k40dw-app .k40dw-mini-title{font-weight:800;margin:18px 0 10px;color:#374151}
@media(max-width:800px){
  .k40dw-app .k40dw-grid{grid-template-columns:1fr}
  .k40dw-app .k40dw-hangul-table{grid-template-columns:repeat(5,1fr)}
  .k40dw-app .k40dw-card{padding:19px}
}
@media(max-width:430px){
  .k40dw-app .k40dw-hangul-table{grid-template-columns:repeat(4,1fr)}
  .k40dw-app .k40dw-actions .k40dw-btn{width:100%}
}

/* Theme-resistant button contrast and alignment. */
.k40dw-app .k40dw-actions{gap:12px!important}
.k40dw-app button.k40dw-btn{display:inline-flex!important;align-items:center!important;justify-content:center!important;min-height:46px!important;height:auto!important;line-height:1.4!important;padding:12px 18px!important;text-indent:0!important;text-align:center!important;opacity:1!important;text-shadow:none!important}
.k40dw-app button.k40dw-btn.k40dw-secondary,
.k40dw-app button.k40dw-btn.k40dw-secondary:is(:hover,:focus,:active){background:#eef2ff!important;color:#312e81!important;-webkit-text-fill-color:#312e81!important}
.k40dw-app button.k40dw-btn.k40dw-ghost,
.k40dw-app button.k40dw-btn.k40dw-ghost:is(:hover,:focus,:active){background:#eef8f4!important;color:#065f46!important;-webkit-text-fill-color:#065f46!important}
.k40dw-app button.k40dw-btn.k40dw-primary{background:#6750a4!important;color:#fff!important;-webkit-text-fill-color:#fff!important}
.k40dw-app button.k40dw-sound{color:#1f2937!important;-webkit-text-fill-color:#1f2937!important;line-height:1.4!important;height:auto!important;text-shadow:none!important}
.k40dw-app button.k40dw-btn:focus-visible,.k40dw-app button.k40dw-sound:focus-visible{outline:3px solid #6750a4!important;outline-offset:3px}