.plan-locked {
    opacity: 0.55;
    cursor: not-allowed !important;
    pointer-events: auto;
}
input.plan-locked,
button.plan-locked {
    filter: grayscale(1);
}
.plan-lock {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-body);
    font-size: var(--type-caption);
    letter-spacing: var(--type-caption-tracking-wide);
    text-transform: uppercase;
    padding: 5px var(--gap-row);
    border: 1px solid rgba(var(--ink-rgb), 0.18);
    color: var(--muted);
    background: rgba(var(--ink-rgb), 0.04);
    white-space: nowrap;
}
.plan-lock-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.plan-lock-subject {
    opacity: 0.62;
}
.plan-lock-prompt {
    position: fixed;                 
    z-index: 10000;
    width: max-content;
    max-width: 280px;
    padding: var(--inset-panel) var(--inset-panel) var(--inset-box);
    background: var(--surface-raised);
    border: 1px solid rgba(var(--ink-rgb), 0.18);
    box-shadow: 0 10px 28px var(--hairline-strong);
}
.plan-lock-prompt--centred {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.plan-lock-prompt-body {
    margin: 0 0 var(--inset-panel);
    font-family: var(--font-body);
    font-size: var(--type-label);
    line-height: 1.45;
    text-align: center;
    color: var(--ink);
}
.plan-lock-prompt-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--inset-control);
}
.plan-lock-prompt-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--inset-control) var(--inset-box);
    font-family: var(--font-body);
    font-size: var(--type-caption);
    letter-spacing:var(--type-caption-tracking-wide);
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    color: var(--ink);
    background: transparent;
    border: 1px solid rgba(var(--ink-rgb), 0.18);
}
.plan-lock-prompt-btn--lead {
    color: var(--color-white);
    background: var(--success);
    border-color: var(--success);
}