.scientific-calculator-container[data-astro-cid-x6q2s7zj]{display:grid;grid-template-columns:1fr 280px;gap:1.5rem;margin-bottom:2rem}@media(max-width:768px){.scientific-calculator-container[data-astro-cid-x6q2s7zj]{grid-template-columns:1fr}.history-panel[data-astro-cid-x6q2s7zj]{order:-1}}.calculator-main[data-astro-cid-x6q2s7zj]{background:var(--color-bg-elevated);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}.display-panel[data-astro-cid-x6q2s7zj]{background:#1a1a2e;border-radius:8px;padding:1rem;margin-bottom:1rem;text-align:right;position:relative;min-height:100px;display:flex;flex-direction:column;justify-content:flex-end}.expression-display[data-astro-cid-x6q2s7zj]{color:#888;font-size:.9rem;min-height:1.5em;word-break:break-all}.main-display[data-astro-cid-x6q2s7zj]{color:#fff;font-size:2.2rem;font-weight:600;font-family:SF Mono,monospace;word-break:break-all;min-height:1.2em}.memory-indicator[data-astro-cid-x6q2s7zj]{position:absolute;top:8px;left:12px;color:#4caf50;font-size:.85rem;font-weight:600}.mode-bar[data-astro-cid-x6q2s7zj]{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem;flex-wrap:wrap;gap:.5rem}.mode-toggle[data-astro-cid-x6q2s7zj]{display:flex;gap:.25rem}.mode-btn[data-astro-cid-x6q2s7zj]{padding:.35rem .75rem;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text-muted);border-radius:4px;cursor:pointer;font-size:.8rem;font-weight:500;transition:all .2s}.mode-btn[data-astro-cid-x6q2s7zj].active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.memory-btns[data-astro-cid-x6q2s7zj]{display:flex;gap:.25rem;flex-wrap:wrap}.mem-btn[data-astro-cid-x6q2s7zj]{padding:.3rem .5rem;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);border-radius:4px;cursor:pointer;font-size:.75rem;font-weight:500;transition:all .2s}.mem-btn[data-astro-cid-x6q2s7zj]:hover{background:var(--color-bg-hover)}.keypad[data-astro-cid-x6q2s7zj]{display:flex;flex-direction:column;gap:.4rem}.keypad-row[data-astro-cid-x6q2s7zj]{display:grid;grid-template-columns:repeat(5,1fr);gap:.4rem}.keypad-row[data-astro-cid-x6q2s7zj]:last-child{grid-template-columns:2fr 1fr 2fr}.keypad[data-astro-cid-x6q2s7zj] button[data-astro-cid-x6q2s7zj]{padding:.85rem .25rem;border:1px solid var(--color-border);border-radius:6px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .15s;display:flex;align-items:center;justify-content:center;min-height:48px}.num-btn[data-astro-cid-x6q2s7zj]{background:var(--color-bg);color:var(--color-text)}.num-btn[data-astro-cid-x6q2s7zj]:hover{background:var(--color-bg-hover)}.op-btn[data-astro-cid-x6q2s7zj]{background:var(--color-bg-secondary);color:var(--color-primary)}.op-btn[data-astro-cid-x6q2s7zj]:hover{background:var(--color-bg-hover)}.func-btn[data-astro-cid-x6q2s7zj]{background:#f0f4ff;color:#4a5fd9}.func-btn[data-astro-cid-x6q2s7zj]:hover{background:#e0e8ff}.const-btn[data-astro-cid-x6q2s7zj]{background:#fff8e1;color:#e65100}.const-btn[data-astro-cid-x6q2s7zj]:hover{background:#ffecb3}.action-btn[data-astro-cid-x6q2s7zj]{background:#ffebee;color:#c62828}.action-btn[data-astro-cid-x6q2s7zj]:hover{background:#ffcdd2}.equals-btn[data-astro-cid-x6q2s7zj]{background:var(--color-primary);color:#fff;font-size:1.2rem;font-weight:600}.equals-btn[data-astro-cid-x6q2s7zj]:hover{background:var(--color-primary-dark)}.history-panel[data-astro-cid-x6q2s7zj]{background:var(--color-bg-elevated);border-radius:12px;padding:1rem;box-shadow:0 2px 8px #0000001a;max-height:600px;display:flex;flex-direction:column}.history-header[data-astro-cid-x6q2s7zj]{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.history-header[data-astro-cid-x6q2s7zj] h3[data-astro-cid-x6q2s7zj]{margin:0;font-size:1rem}.clear-history-btn[data-astro-cid-x6q2s7zj]{padding:.25rem .5rem;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text-muted);border-radius:4px;cursor:pointer;font-size:.75rem}.history-list[data-astro-cid-x6q2s7zj]{overflow-y:auto;flex:1;max-height:520px}.history-empty[data-astro-cid-x6q2s7zj]{color:var(--color-text-muted);text-align:center;padding:2rem 0;font-size:.9rem}.history-item[data-astro-cid-x6q2s7zj]{padding:.6rem .5rem;border-bottom:1px solid var(--color-border);cursor:pointer;transition:background .15s}.history-item[data-astro-cid-x6q2s7zj]:hover{background:var(--color-bg-hover)}.history-expr[data-astro-cid-x6q2s7zj]{font-size:.8rem;color:var(--color-text-muted);word-break:break-all}.history-result[data-astro-cid-x6q2s7zj]{font-size:.95rem;font-weight:600;color:var(--color-text);margin-top:.2rem}