/* AIProject 跨站台共用 UI 結構。品牌與產品風格由各站台 app-ui.theme.css 提供。 */
:root {
    --ui-z-backdrop: 1050;
    --ui-z-modal: 1060;
    --ui-z-toast: 100000;
    --ui-z-mask: 100010;
}

.ui-modal,
.ui-modal *,
.ui-toast,
.ui-toast *,
.ui-mask,
.ui-mask * {
    box-sizing: border-box;
}

.ui-modal.modal {
    position: fixed;
    inset: 0;
    z-index: var(--ui-z-modal);
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.ui-modal.modal.show {
    display: block;
}

.ui-modal .ui-modal__dialog {
    position: relative;
    display: flex;
    width: auto;
    max-width: 520px;
    min-height: calc(100% - 3.5rem);
    align-items: center;
    margin: 1.75rem auto;
    padding: 0 12px;
    pointer-events: none;
}

.ui-modal .ui-modal__dialog--small { max-width: 380px; }
.ui-modal .ui-modal__dialog--large { max-width: 800px; }
.ui-modal .ui-modal__dialog--xl { max-width: 1140px; }

.ui-modal .ui-modal__content {
    position: relative;
    display: flex;
    width: 100%;
    flex-direction: column;
    pointer-events: auto;
    background-clip: padding-box;
    outline: 0;
}

.ui-modal .ui-modal__header,
.ui-modal .ui-modal__footer {
    display: flex;
    align-items: center;
}

.ui-modal .ui-modal__header {
    justify-content: space-between;
}

.ui-modal .ui-modal__footer {
    justify-content: flex-end;
}

.ui-modal .ui-modal__title {
    margin: 0;
}

.ui-modal__close,
.ui-toast__close,
.ui-button {
    font: inherit;
}

.ui-modal__close,
.ui-toast__close {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
}

.ui-modal .ui-modal__close {
    margin: 0 !important;
    background-image: none !important;
    opacity: 1;
}

.ui-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.ui-button:disabled,
.ui-button[aria-disabled="true"] {
    opacity: .55;
    cursor: not-allowed;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--ui-z-backdrop);
    width: 100vw;
    height: 100vh;
    background: #000;
}

.modal-backdrop.fade { opacity: 0; }
.modal-backdrop.show { opacity: .5; }
.modal-open { overflow: hidden; }

.ui-toast-container {
    position: fixed;
    z-index: var(--ui-z-toast);
    display: flex;
    width: min(420px, calc(100vw - 24px));
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.ui-toast {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    pointer-events: auto;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .18s ease-out, transform .18s ease-out;
}

.ui-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.ui-toast.is-actionable {
    cursor: pointer;
}

.ui-toast__copy {
    min-width: 0;
}

.ui-mask-host {
    position: relative;
}

.ui-mask {
    z-index: var(--ui-z-mask);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ui-mask--global {
    position: fixed;
    inset: 0;
}

.ui-mask--local {
    position: absolute;
    inset: 0;
}

.ui-mask__card {
    display: flex;
    align-items: center;
}

.ui-mask__spinner {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: app-ui-spin .8s linear infinite;
}

@keyframes app-ui-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 576px) {
    .ui-modal .ui-modal__dialog {
        min-height: calc(100% - 24px);
        margin: 12px auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ui-toast {
        transform: none;
        transition-duration: .01ms;
    }

    .ui-mask__spinner {
        animation: none;
        opacity: .7;
    }
}