/* Shared runtime feedback UI for app, spreadsheet, and guest layouts. */
.ui-modal-layer {
    position: fixed;
    z-index: 10000;
    inset: 0;
    display: grid;
    padding: 20px;
    place-items: center;
    font-family: var(--ui-font-sans, 'Prompt', sans-serif);
}
.ui-modal-layer[hidden] { display: none; }
.ui-modal-layer > .ui-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(17, 25, 39, .56);
    backdrop-filter: blur(3px);
}
.ui-modal-layer > .ui-modal {
    position: relative;
    z-index: 1;
    display: flex;
    width: min(416px, 100%);
    max-height: calc(100dvh - 40px);
    overflow: hidden;
    flex-direction: column;
    border: 1px solid var(--ui-border-strong, #cbd3de);
    border-radius: var(--ui-radius-lg, 10px);
    background: var(--ui-surface, #fff);
    box-shadow: var(--ui-shadow-md, 0 14px 34px rgba(20, 29, 42, .14));
    color: var(--ui-text, #172033);
}
.ui-confirm-modal > .ui-modal__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid var(--ui-border, #e5e9ef);
}
.ui-confirm-modal > .ui-modal__header,
.ui-confirm-modal > .ui-modal__body {
    text-align: center;
}
.ui-confirm-modal > .ui-modal__header {
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}
.ui-confirm-modal > .ui-modal__header > div {
    width: 100%;
}
.ui-confirm-modal > .ui-modal__header h2 { margin: 0; font-size: 17px; font-weight: 600; }
.ui-confirm-modal__icon {
    display: inline-grid;
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    place-items: center;
    border-radius: 9px;
    background: color-mix(in srgb, var(--ui-warning, #b7791f) 14%, var(--ui-surface, #fff));
    color: var(--ui-warning, #b7791f);
}
.ui-confirm-modal__icon.is-success { background: color-mix(in srgb, var(--ui-success, #15966a) 12%, var(--ui-surface, #fff)); color: var(--ui-success, #15966a); }
.ui-confirm-modal__icon.is-danger { background: color-mix(in srgb, var(--ui-danger, #d84f4b) 12%, var(--ui-surface, #fff)); color: var(--ui-danger, #d84f4b); }
.ui-confirm-modal__icon.is-info,
.ui-confirm-modal__icon.is-primary { background: var(--ui-brand-50, #fff7f1); color: var(--ui-brand-600, #d95520); }
.ui-confirm-modal__icon svg { width: 18px; height: 18px; }
.ui-confirm-modal > .ui-modal__body { padding: 20px; overflow-y: auto; color: var(--ui-text-muted, #778295); font-size: 13px; line-height: 1.65; }
.ui-confirm-modal > .ui-modal__actions { display: flex; justify-content: center; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--ui-border, #e5e9ef); background: var(--ui-surface-subtle, #fafbfc); }
.ui-confirm-modal .ui-button { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; padding: 8px 16px; border: 1px solid transparent; border-radius: 9px; font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; }
.ui-confirm-modal .ui-button--secondary { border-color: var(--ui-border, #e5e9ef); background: var(--ui-surface, #fff); color: var(--ui-text-secondary, #344054); }
.ui-confirm-modal .ui-button--primary { border-color: var(--ui-brand-500, #ef6a32); background: var(--ui-brand-500, #ef6a32); color: #fff; }

/* Loyalty confirmation follows the compact Rewards card language. */
.ui-modal-layer > .ui-confirm-modal--loyalty {
    width: min(360px, 100%);
    border-radius: var(--radius-2xl, 20px) !important;
}
.ui-confirm-modal--loyalty > .ui-modal__header {
    padding: 24px 22px 10px;
    border-bottom: 0;
}
.ui-confirm-modal--loyalty .ui-confirm-modal__icon {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
    border-radius: 12px;
}
.ui-confirm-modal--loyalty > .ui-modal__header h2 {
    font-size: 18px;
}
.ui-confirm-modal--loyalty > .ui-modal__body {
    padding: 10px 22px 18px;
}
.ui-confirm-modal--loyalty > .ui-modal__actions {
    padding: 0 22px 22px;
    border-top: 0;
    background: transparent;
}
.ui-confirm-modal--loyalty > .ui-modal__actions .ui-button {
    flex: 1 1 0;
    min-width: 0;
    min-height: 44px;
}

.ui-toast-stack {
    position: fixed;
    z-index: 10001;
    right: 20px;
    bottom: 20px;
    display: grid;
    width: min(384px, calc(100vw - 40px));
    gap: 8px;
    pointer-events: none;
    font-family: var(--ui-font-sans, 'Prompt', sans-serif);
}
.ui-toast {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--ui-border-strong, #cbd3de);
    border-radius: var(--ui-radius-lg, 10px);
    background: var(--ui-surface, #fff);
    box-shadow: var(--ui-shadow-md, 0 14px 34px rgba(20, 29, 42, .14));
    color: var(--ui-text, #172033);
    opacity: 0;
    pointer-events: auto;
    transform: translateY(12px);
    transition: opacity 160ms ease, transform 160ms ease;
}
.ui-toast.is-visible { opacity: 1; transform: translateY(0); }
.ui-toast__icon { display: inline-grid; width: 32px; height: 32px; place-items: center; border-radius: 9px; background: color-mix(in srgb, var(--ui-success, #15966a) 12%, var(--ui-surface, #fff)); color: var(--ui-success, #15966a); }
.ui-toast--error .ui-toast__icon { background: color-mix(in srgb, var(--ui-danger, #d84f4b) 12%, var(--ui-surface, #fff)); color: var(--ui-danger, #d84f4b); }
.ui-toast--warning .ui-toast__icon { background: color-mix(in srgb, var(--ui-warning, #b7791f) 14%, var(--ui-surface, #fff)); color: var(--ui-warning, #b7791f); }
.ui-toast--info .ui-toast__icon { background: color-mix(in srgb, var(--ui-info, #3978e8) 12%, var(--ui-surface, #fff)); color: var(--ui-info, #3978e8); }
.ui-toast__icon svg, .ui-toast__close svg { width: 16px; height: 16px; }
.ui-toast__message { min-width: 0; margin: 0; color: inherit; font-size: 13px; font-weight: 400; line-height: 1.55; }
.ui-toast__close { display: inline-grid; width: 32px; height: 32px; padding: 0; place-items: center; border: 0; border-radius: 6px; background: transparent; color: var(--ui-text-muted, #778295); cursor: pointer; }
.ui-toast__close:hover { background: var(--ui-surface-muted, #f5f7fa); color: var(--ui-text, #172033); }
.ui-toast__close:focus-visible, .ui-confirm-modal .ui-button:focus-visible { outline: 3px solid var(--ui-focus, rgba(249,115,22,.28)); outline-offset: 2px; }
html[data-theme='dark'] .ui-modal-layer > .ui-modal,
html[data-theme='dark'] .ui-toast {
    border-color: var(--ui-border-strong, #46515f);
    background: var(--ui-surface, #1b2129);
    color: var(--ui-text, #f2f4f7);
}
html[data-theme='dark'] .ui-confirm-modal > .ui-modal__header,
html[data-theme='dark'] .ui-confirm-modal > .ui-modal__actions { border-color: var(--ui-border, #303844); }
html[data-theme='dark'] .ui-confirm-modal > .ui-modal__actions { background: var(--ui-surface-subtle, #202730); }
html[data-theme='dark'] .ui-confirm-modal > .ui-modal__body,
html[data-theme='dark'] .ui-toast__close { color: var(--ui-text-muted, #9aa4b2); }
html[data-theme='dark'] .ui-confirm-modal .ui-button--secondary {
    border-color: var(--ui-border, #303844);
    background: var(--ui-surface, #1b2129);
    color: var(--ui-text-secondary, #d3d7dd);
}
html[data-theme='dark'] .ui-confirm-modal--loyalty > .ui-modal__actions {
    border-top: 0;
    background: transparent;
}
@media (max-width: 575px) { .ui-toast-stack { right: 12px; bottom: 12px; width: calc(100vw - 24px); } .ui-modal-layer { padding: 12px; } }
@media (prefers-reduced-motion: reduce) { .ui-toast { transition: none; } }