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0;color:#ffffffdb;font-size:1.08rem;line-height:1.8}.hero-actions[data-astro-cid-nknr6h7t]{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.primary-link[data-astro-cid-nknr6h7t],.secondary-link[data-astro-cid-nknr6h7t]{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 18px;font-weight:800;text-decoration:none}.primary-link[data-astro-cid-nknr6h7t]{background:#fff;color:#0f172a}.secondary-link[data-astro-cid-nknr6h7t]{border:1px solid rgba(255,255,255,.3);color:#fff}.hero-card[data-astro-cid-nknr6h7t]{padding:26px;border-radius:24px;background:#ffffff1a;border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px)}.hero-icon[data-astro-cid-nknr6h7t]{display:grid;place-items:center;width:64px;height:64px;margin-bottom:18px;border-radius:20px;background:#ffffff29;font-size:2rem;font-weight:900}.hero-card[data-astro-cid-nknr6h7t] strong[data-astro-cid-nknr6h7t]{display:block;font-size:1.35rem;margin-bottom:10px}.hero-card[data-astro-cid-nknr6h7t] p[data-astro-cid-nknr6h7t]{color:#ffffffd1;line-height:1.7}.calculator-layout[data-astro-cid-nknr6h7t]{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:24px;margin-top:28px}.calculator-card[data-astro-cid-nknr6h7t],.history-card[data-astro-cid-nknr6h7t],.graph-section[data-astro-cid-nknr6h7t],.content-section[data-astro-cid-nknr6h7t],.faq-section[data-astro-cid-nknr6h7t]{border:1px solid #e2e8f0;border-radius:26px;background:#fff;box-shadow:0 16px 50px #0f172a14}.calculator-card[data-astro-cid-nknr6h7t],.history-card[data-astro-cid-nknr6h7t]{padding:24px}.calc-top[data-astro-cid-nknr6h7t]{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:end}.display-input[data-astro-cid-nknr6h7t],#graphExpression[data-astro-cid-nknr6h7t]{width:100%;border:1px solid #cbd5e1;border-radius:16px;padding:15px 16px;font-size:1rem;color:#0f172a;background:#f8fafc}.mode-toggle[data-astro-cid-nknr6h7t]{display:flex;gap:8px;padding:6px;border-radius:16px;background:#f1f5f9}.mode-btn[data-astro-cid-nknr6h7t]{border:0;border-radius:12px;padding:11px 14px;cursor:pointer;font-weight:800;background:transparent;color:#334155}.mode-btn[data-astro-cid-nknr6h7t].active{background:#0f172a;color:#fff}.result-panel[data-astro-cid-nknr6h7t]{margin:20px 0;padding:22px;border-radius:22px;background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid #dbeafe}.result-panel[data-astro-cid-nknr6h7t] p[data-astro-cid-nknr6h7t]{margin:0;color:#475569;font-weight:700}.result-panel[data-astro-cid-nknr6h7t] strong[data-astro-cid-nknr6h7t]{display:block;margin-top:8px;font-size:clamp(2rem,4vw,3.4rem);color:#0f172a;word-break:break-word}.result-panel[data-astro-cid-nknr6h7t] span[data-astro-cid-nknr6h7t]{display:block;margin-top:6px;color:#64748b}.keypad[data-astro-cid-nknr6h7t]{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.keypad[data-astro-cid-nknr6h7t] button[data-astro-cid-nknr6h7t],.tool-actions[data-astro-cid-nknr6h7t] button[data-astro-cid-nknr6h7t],#plotGraph[data-astro-cid-nknr6h7t]{border:0;border-radius:14px;padding:14px 10px;cursor:pointer;font-weight:800;background:#f1f5f9;color:#0f172a;transition:transform .18s ease,background .18s ease}.keypad[data-astro-cid-nknr6h7t] button[data-astro-cid-nknr6h7t]:hover,.tool-actions[data-astro-cid-nknr6h7t] button[data-astro-cid-nknr6h7t]:hover,#plotGraph[data-astro-cid-nknr6h7t]:hover{transform:translateY(-1px);background:#e2e8f0}.keypad[data-astro-cid-nknr6h7t] .equals[data-astro-cid-nknr6h7t]{background:#2563eb;color:#fff}.keypad[data-astro-cid-nknr6h7t] .danger[data-astro-cid-nknr6h7t]{background:#fee2e2;color:#991b1b}.tool-actions[data-astro-cid-nknr6h7t]{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.calc-note[data-astro-cid-nknr6h7t]{margin:18px 0 0;color:#64748b;font-size:.95rem;line-height:1.6}.history-card[data-astro-cid-nknr6h7t] h2[data-astro-cid-nknr6h7t],.content-section[data-astro-cid-nknr6h7t] h2[data-astro-cid-nknr6h7t],.faq-section[data-astro-cid-nknr6h7t] h2[data-astro-cid-nknr6h7t],.graph-section[data-astro-cid-nknr6h7t] h2[data-astro-cid-nknr6h7t]{margin:0 0 14px;color:#0f172a;letter-spacing:-.03em}.history-card[data-astro-cid-nknr6h7t] p[data-astro-cid-nknr6h7t],.content-section[data-astro-cid-nknr6h7t] p[data-astro-cid-nknr6h7t],.faq-section[data-astro-cid-nknr6h7t] p[data-astro-cid-nknr6h7t],.graph-section[data-astro-cid-nknr6h7t] p[data-astro-cid-nknr6h7t]{color:#475569;line-height:1.8}#historyList[data-astro-cid-nknr6h7t]{padding:0;margin:18px 0 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.7fr;gap:24px}.feature-box[data-astro-cid-nknr6h7t]{padding:22px;border-radius:20px;background:#f8fafc;border:1px solid #e2e8f0}.feature-box[data-astro-cid-nknr6h7t] h3[data-astro-cid-nknr6h7t]{margin-top:0;color:#0f172a}.feature-box[data-astro-cid-nknr6h7t] li[data-astro-cid-nknr6h7t]{margin:10px 0;color:#475569}.example-grid[data-astro-cid-nknr6h7t]{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.example-grid[data-astro-cid-nknr6h7t] article[data-astro-cid-nknr6h7t]{padding:20px;border-radius:20px;background:#f8fafc;border:1px solid #e2e8f0}.example-grid[data-astro-cid-nknr6h7t] h3[data-astro-cid-nknr6h7t]{margin-top:0;color:#0f172a}details[data-astro-cid-nknr6h7t]{border:1px solid #e2e8f0;border-radius:18px;padding:18px 20px;margin-top:12px;background:#f8fafc}summary[data-astro-cid-nknr6h7t]{cursor:pointer;font-weight:900;color:#0f172a}@media(max-width:900px){.hero[data-astro-cid-nknr6h7t],.calculator-card[data-astro-cid-nknr6h7t],.history-card[data-astro-cid-nknr6h7t],.graph-section[data-astro-cid-nknr6h7t],.content-section[data-astro-cid-nknr6h7t],.faq-section[data-astro-cid-nknr6h7t]{border-radius:22px}.hero-grid[data-astro-cid-nknr6h7t],.calculator-layout[data-astro-cid-nknr6h7t],.split-section[data-astro-cid-nknr6h7t],.example-grid[data-astro-cid-nknr6h7t],.calc-top[data-astro-cid-nknr6h7t],.graph-input-row[data-astro-cid-nknr6h7t]{grid-template-columns:1fr}}@media(max-width:600px){.page-wrapper[data-astro-cid-nknr6h7t]{width:min(100% - 28px,1160px)}.hero[data-astro-cid-nknr6h7t]{padding:28px 20px}.keypad[data-astro-cid-nknr6h7t]{grid-template-columns:repeat(4,1fr)}.calculator-card[data-astro-cid-nknr6h7t],.history-card[data-astro-cid-nknr6h7t],.graph-section[data-astro-cid-nknr6h7t],.content-section[data-astro-cid-nknr6h7t],.faq-section[data-astro-cid-nknr6h7t]{padding:20px}}