.calc-widget{display:inline-block;box-sizing:border-box;width:220px;padding:10px;background:#f5f5f5;border:1px solid #cccccc;border-radius:8px;font-family:Segoe UI,Arial,sans-serif;user-select:none}.calc-display{background:#fff;border:1px solid #d0d0d0;border-radius:4px;padding:6px 8px;margin-bottom:8px;text-align:right;min-height:48px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.calc-display-prev{font-size:12px;color:#888;min-height:14px;line-height:1.2;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.calc-display-current{font-size:22px;color:#222;font-weight:600;line-height:1.2;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.calc-buttons{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:40px;gap:6px}.calc-btn{border:1px solid #c0c0c0;border-radius:4px;background:#fff;color:#222;font-size:16px;font-weight:600;cursor:pointer;padding:0;line-height:1;transition:background-color .1s,transform .05s}.calc-btn:hover{background:#eaeaea}.calc-btn:active{transform:scale(.96)}.calc-btn-op{background:#e8eef9;color:#1d4ed8}.calc-btn-op:hover{background:#d6e1f6}.calc-btn-clear,.calc-btn-back{background:#fdecec;color:#b91c1c}.calc-btn-clear:hover,.calc-btn-back:hover{background:#f9d6d6}.calc-btn-equal{background:#2563eb;color:#fff;grid-row:span 2;height:auto}.calc-btn-equal:hover{background:#1d4ed8}body.dark-mode .calc-widget{background:#1f1f23;border-color:#3a3a40}body.dark-mode .calc-display{background:#14141a;border-color:#3a3a40}body.dark-mode .calc-display-prev{color:#999}body.dark-mode .calc-display-current{color:#ececec}body.dark-mode .calc-btn{background:#2a2a30;border-color:#3a3a40;color:#ececec}body.dark-mode .calc-btn:hover{background:#3a3a44}body.dark-mode .calc-btn-op{background:#1e293b;color:#67e8f9}body.dark-mode .calc-btn-op:hover{background:#2b3a55}body.dark-mode .calc-btn-clear,body.dark-mode .calc-btn-back{background:#3b1f1f;color:#fca5a5}body.dark-mode .calc-btn-clear:hover,body.dark-mode .calc-btn-back:hover{background:#4d2828}body.dark-mode .calc-btn-equal{background:#2563eb;color:#fff}body.dark-mode .calc-btn-equal:hover{background:#1d4ed8}.calc-side{display:inline-flex;flex-direction:column;align-items:flex-start;margin-left:80px;vertical-align:top}.calc-side-link{color:#2563eb;text-decoration:none;font-weight:700;font-size:14px;margin-bottom:6px}.calc-side-link:hover{color:#1d4ed8;text-decoration:none}body.dark-mode .calc-side-link{color:#67e8f9}body.dark-mode .calc-side-link:hover{color:#a5f3fc}.rl-burst-row{display:flex;align-items:flex-start;flex-wrap:nowrap}