.calculator-panel .calculator-footer { justify-content: space-between; gap: 0.5rem; }
.calculator-panel .text-size-controls { display: flex; align-items: center; gap: 0.75rem; }
.calculator-panel .history-toggle,
.calculator-panel .history-dialog button {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.8rem;
}
.calculator-panel .history-toggle { padding: 0.35rem 0.65rem; font-weight: 500; }
.calculator-panel .history-toggle:hover,
.calculator-panel .history-dialog button:hover:not(:disabled) { border-color: var(--accent-bg); }
.calculator-panel .history-toggle:focus-visible,
.calculator-panel .history-dialog button:focus-visible { outline: 2px solid var(--accent-bg); outline-offset: 2px; }
.calculator-panel .history-dialog {
    width: min(26rem, calc(100% - 2rem));
    max-height: calc(100dvh - 2rem);
    margin: auto;
    padding: 1rem;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 0.8rem;
    background: var(--card-bg);
    color: var(--text-color);
    box-shadow: 0 16px 48px var(--shadow-color);
}
.calculator-panel .history-dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
.calculator-panel .history-dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.calculator-panel .history-dialog h2 { font-size: 1rem; font-weight: 700; }
.calculator-panel .history-dialog .history-close { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border: 0; }
.calculator-panel .history-close svg { width: 1.1rem; height: 1.1rem; }
.calculator-panel .history-hint,
.calculator-panel .history-status { color: var(--subtle-text); font-size: 0.75rem; }
.calculator-panel .history-hint { margin: 0.25rem 0 1rem; }
.calculator-panel .history-status { margin-top: 0.5rem; }
.calculator-panel .history-status:empty { display: none; }
.calculator-panel .history-dialog .history-save {
    width: 100%;
    padding: 0.65rem;
    border-color: var(--accent-bg);
    background: var(--accent-bg);
    color: var(--accent-text);
    font-weight: 600;
}
.calculator-panel .history-save:disabled { opacity: 0.5; cursor: not-allowed; }
.calculator-panel .history-slots { display: grid; gap: 0.5rem; margin-top: 1rem; }
.calculator-panel .history-item { display: flex; align-items: stretch; gap: 0.5rem; }
.calculator-panel .history-load {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    min-width: 0;
    gap: 0.75rem;
    padding: 0.65rem;
    text-align: left;
}
.calculator-panel .history-item-name { display: block; font-weight: 600; overflow-wrap: anywhere; }
.calculator-panel .history-item-details { display: block; margin-top: 0.2rem; color: var(--subtle-text); font-size: 0.7rem; }
.calculator-panel .history-load-label { color: var(--accent-bg); font-size: 0.75rem; font-weight: 600; }
.calculator-panel .history-delete { width: 2.5rem; flex-shrink: 0; display: grid; place-items: center; }
.calculator-panel .history-delete svg { width: 1rem; height: 1rem; }
.calculator-panel .history-empty { padding: 0.75rem 0; color: var(--subtle-text); font-size: 0.8rem; text-align: center; }