/* =========================================================================
   BidBridge — PWA toasts (установка приложения / обновление Service Worker)
   ---------------------------------------------------------------------------
   Отдельный файл намеренно: design-system.css и theme.css ведёт другая
   задача, сюда ничего не добавляем. Подключается в elements/footer-scripts.
   Тексты и разметку создаёт public/js/pwa.js.
   @see md/pwa.md
   ========================================================================= */

.tb-pwa-toast {
    position: fixed;
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom));
    left: auto;
    z-index: 2100;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    max-width: 24rem;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 178, 255, 0.28);
    background: #121C31;
    color: #E6EDF7;
    box-shadow: 0 16px 44px rgba(4, 10, 22, 0.45);
    font-size: 0.9rem;
    line-height: 1.45;
    opacity: 0;
    transform: translateY(0.75rem);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.tb-pwa-toast[hidden] {
    display: none;
}

.tb-pwa-toast__icon {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 12px;
    background: rgba(76, 125, 255, 0.16);
    color: #4C7DFF;
}

.tb-pwa-toast__body {
    flex: 1 1 auto;
    min-width: 0;
}

.tb-pwa-toast__title {
    margin: 0 0 0.15rem;
    font-size: 0.95rem;
    font-weight: 700;
}

.tb-pwa-toast__text {
    margin: 0;
    color: #9AAAC6;
    font-size: 0.82rem;
}

.tb-pwa-toast__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.7rem;
}

/* Touch-таргеты не ниже 44px. */
.tb-pwa-toast__btn {
    appearance: none;
    -webkit-appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 1rem;
    border-radius: 10px;
    border: 1px solid rgba(148, 178, 255, 0.28);
    background: transparent;
    color: #E6EDF7;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.15s ease, background 0.15s ease;
}

.tb-pwa-toast__btn--primary {
    background: #4C7DFF;
    border-color: #4C7DFF;
    color: #081020;
}

.tb-pwa-toast__btn:hover {
    background: rgba(230, 237, 247, 0.08);
}

.tb-pwa-toast__btn--primary:hover {
    filter: brightness(1.08);
    background: #4C7DFF;
}

.tb-pwa-toast__btn:focus-visible,
.tb-pwa-toast__btn:focus {
    outline: 2px solid #9DBBFF;
    outline-offset: 2px;
}

/* Светлая тема: тост остаётся контрастным, но не «кричит» тёмным блоком. */
html[data-theme="light"] .tb-pwa-toast {
    background: #FFFFFF;
    color: #101828;
    border-color: rgba(30, 79, 216, 0.22);
    box-shadow: 0 16px 44px rgba(16, 24, 40, 0.18);
}

html[data-theme="light"] .tb-pwa-toast__text {
    color: #5A6B87;
}

html[data-theme="light"] .tb-pwa-toast__btn {
    color: #101828;
    border-color: rgba(16, 24, 40, 0.18);
}

html[data-theme="light"] .tb-pwa-toast__btn:hover {
    background: rgba(16, 24, 40, 0.06);
}

html[data-theme="light"] .tb-pwa-toast__btn--primary,
html[data-theme="light"] .tb-pwa-toast__btn--primary:hover {
    background: #1E4FD8;
    border-color: #1E4FD8;
    color: #FFFFFF;
}

@media (max-width: 35.99rem) {
    .tb-pwa-toast {
        left: 0.75rem;
        right: 0.75rem;
        bottom: calc(0.75rem + env(safe-area-inset-bottom));
        max-width: none;
    }

    .tb-pwa-toast__actions {
        width: 100%;
    }

    .tb-pwa-toast__btn {
        flex: 1 1 auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tb-pwa-toast {
        transition: none;
    }
}