/* Calculator visual refresh. Kept separate so it is loaded after legacy vendor styles. */
.popover:has(#calculator).bottom > .arrow:after { border-bottom-color: #020617; }
.popover:has(#calculator) .popover-content { background: #020617; }
#calculator .calc-btn {
    border: 1px solid transparent !important;
    border-radius: 9px !important;
    padding: 10px 4px !important;
    box-shadow: 0 3px 0 rgba(2,6,23,.35);
    transition: background .15s, transform .1s, box-shadow .1s, border-color .15s;
}
#calculator .calc-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(2,6,23,.35); }
#calculator .calc-btn:focus-visible { outline: 2px solid #22d3ee; outline-offset: 2px; }
#calculator .calc-btn-num { background: #1e293b !important; color: #e2e8f0 !important; border-color: #334155 !important; box-shadow: 0 3px 0 #0f172a !important; }
#calculator .calc-btn-num:hover { background: #334155 !important; border-color: #475569 !important; }
#calculator .calc-btn-op { background: #164e63 !important; color: #67e8f9 !important; box-shadow: 0 3px 0 #083344 !important; }
#calculator .calc-btn-op:hover { background: #155e75 !important; }
#calculator .calc-btn-ac { background: #be123c !important; box-shadow: 0 3px 0 #881337 !important; }
#calculator .calc-btn-ac:hover { background: #e11d48 !important; }
#calculator .calc-btn-ce { background: #b45309 !important; box-shadow: 0 3px 0 #78350f !important; }
#calculator .calc-btn-ce:hover { background: #d97706 !important; }
#calculator .calc-btn-eq { background: linear-gradient(135deg, #0891b2, #2563eb) !important; box-shadow: 0 3px 0 #1e3a8a !important; }
#calculator .calc-btn-eq:hover { background: linear-gradient(135deg, #06b6d4, #1d4ed8) !important; }
#calc-display {
    background: linear-gradient(145deg, #1e293b, #0f172a) !important;
    border-color: #334155 !important;
    border-radius: 10px !important;
    color: #f8fafc !important;
    box-shadow: inset 0 2px 8px rgba(2,6,23,.35), 0 1px 0 rgba(255,255,255,.04) !important;
}
#calc-display:focus { border-color: #22d3ee !important; box-shadow: inset 0 2px 8px rgba(2,6,23,.35), 0 0 0 3px rgba(34,211,238,.14) !important; }
#calc-hist-popup { background: #0f172a; border-color: #334155; }
.calc-hist-head { color: #64748b; border-bottom-color: #1e293b; }
.calc-hist-entry { background: #1e293b; border-color: #334155; }
.calc-hist-entry:hover { background: #334155; border-color: #0891b2; }
.calc-hist-expr { color: #94a3b8; }
.calc-hist-result { color: #67e8f9; }
#calc-hist-clear { background: #4c0519; color: #fda4af; }
#calc-hist-clear:hover { background: #881337; }