.lk-page { padding: 56px 0 100px; }
.lk-intro { text-align: center; max-width: 54ch; margin: 0 auto 30px; }
.lk-intro .hero__eyebrow { margin-bottom: 18px; }
.lk-intro h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 10px; }
.lk-intro p { color: var(--ink-soft); margin: 0; line-height: 1.6; }

.lk-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; margin-bottom: 30px; }
.lk-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.lk-card__head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.lk-icon { font-size: 1.3rem; }
.lk-card__head h2 { font-family: var(--font-display); font-size: 1.15rem; margin: 0; }

.lk-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lk-field { display: flex; flex-direction: column; gap: 6px; }
.lk-field label { font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); }
.lk-field input { border: 2px solid var(--line); border-radius: 12px; padding: 11px 13px; font-family: var(--font-mono); font-size: 1rem; font-weight: 600; background: var(--bg); color: var(--ink); transition: border-color var(--dur-fast) var(--ease); }
.lk-field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb, 11, 122, 85),0.12); }

.lk-results { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.lk-result { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.lk-result span { font-size: 0.7rem; font-weight: 600; color: var(--ink-soft); display: block; margin-bottom: 3px; }
.lk-result b { font-family: var(--font-mono); font-size: 1.1rem; color: var(--accent-ink); }
.lk-result--part { border-left: 3px solid #e67e22; }
.lk-result--part b { color: #b45309; }

.lk-visual-card canvas { width: 100%; height: auto; display: block; border-radius: var(--radius-md); background: var(--bg); border: 1px solid var(--line); }
.lk-legend { display: flex; gap: 16px; justify-content: center; margin-top: 12px; flex-wrap: wrap; }
.lk-legend span { font-size: 0.78rem; font-weight: 600; color: var(--ink-soft); display: flex; align-items: center; gap: 6px; }
.lk-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.lk-dot--circle { background: rgba(var(--accent-rgb, 11, 122, 85),0.5); }
.lk-dot--juring { background: rgba(230,126,34,0.7); }

.lk-rumus { max-width: 860px; margin: 0 auto; background: rgba(var(--accent-rgb, 11, 122, 85),0.03); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px 24px; }
.lk-rumus h2 { font-family: var(--font-display); font-size: 1.1rem; margin: 0 0 14px; }
.lk-rumus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.lk-rumus p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; line-height: 1.6; }
.lk-rumus p:last-child { grid-column: 1 / -1; }

@media (max-width: 860px) {
  .lk-layout { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .lk-rumus-grid { grid-template-columns: 1fr; }
}