/* ============================================================================
   FuturBox PWA Styles
   ============================================================================
   Install banner + update notification.
   Používa CSS premenné kompatibilné s FluentCommunity (--fcom-*) ak sú dostupné.
   ========================================================================== */

.futurbox-install-banner,
.futurbox-update-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 9999;
    background: var(--fcom-bg, #ffffff);
    color: var(--fcom-text, #111827);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(120%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.futurbox-install-banner.is-visible,
.futurbox-update-banner.is-visible {
    transform: translateY(0);
    opacity: 1;
}

@media (min-width: 640px) {
    .futurbox-install-banner,
    .futurbox-update-banner {
        max-width: 480px;
        left: auto;
        right: 24px;
        bottom: 24px;
    }
}

/* Install banner — väčší, dvojriadkový */
.futurbox-install-banner__inner {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (min-width: 480px) {
    .futurbox-install-banner__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.futurbox-install-banner__content {
    flex: 1;
    min-width: 0;
}

.futurbox-install-banner__title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.futurbox-install-banner__body {
    margin: 0;
    font-size: 13px;
    line-height: 1.4;
    color: var(--fcom-text-secondary, #6b7280);
}

.futurbox-install-banner__actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.futurbox-install-banner__btn {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: background 0.15s, transform 0.05s;
    line-height: 1;
}

.futurbox-install-banner__btn:active {
    transform: scale(0.98);
}

.futurbox-install-banner__btn--primary {
    background: var(--fcom-primary, #1a73e8);
    color: #ffffff;
}

.futurbox-install-banner__btn--primary:hover {
    background: var(--fcom-primary-hover, #1557b0);
}

.futurbox-install-banner__btn--ghost {
    background: transparent;
    color: var(--fcom-text-secondary, #6b7280);
}

.futurbox-install-banner__btn--ghost:hover {
    background: var(--fcom-hover-bg, rgba(0, 0, 0, 0.04));
}

/* Update banner — kompaktný, jednoradový */
.futurbox-update-banner {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.futurbox-update-banner__btn {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    background: var(--fcom-primary, #1a73e8);
    color: #ffffff;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    margin-left: auto;
}

/* Dark mode support — ak FC má .dark třídu na <html> */
@media (prefers-color-scheme: dark) {
    .futurbox-install-banner,
    .futurbox-update-banner {
        background: var(--fcom-bg, #1f2937);
        color: var(--fcom-text, #f9fafb);
    }

    .futurbox-install-banner__body {
        color: var(--fcom-text-secondary, #9ca3af);
    }
}

/* ============================================================================
   Desktop / Mobile install banner variants
   ========================================================================== */

/* Banner ikona — chýbala v originálnej verzii */
.futurbox-install-banner__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--fcom-primary, #1a73e8);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Desktop variant — kompaktnejší, v rohu obrazovky */
.futurbox-install-banner.is-desktop {
    max-width: 420px;
    left: auto;
    right: 24px;
    bottom: 24px;
}

.futurbox-install-banner.is-desktop .futurbox-install-banner__inner {
    padding: 14px;
    flex-direction: row;
    align-items: center;
}

/* Mobile variant — full-width na spodku */
.futurbox-install-banner.is-mobile {
    /* Zachová default plný-šírka layout z hlavného .futurbox-install-banner */
}

@media (min-width: 640px) {
    .futurbox-install-banner.is-mobile {
        max-width: 480px;
        left: auto;
        right: 24px;
        bottom: 24px;
    }
}

/* ============================================================================
   iOS install instructions modal — pre Safari users (no beforeinstallprompt)
   ========================================================================== */

.futurbox-ios-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.futurbox-ios-modal.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.futurbox-ios-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.futurbox-ios-modal__content {
    position: relative;
    background: var(--fcom-bg, #ffffff);
    color: var(--fcom-text, #111827);
    border-radius: 12px;
    padding: 24px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    transform: translateY(8px);
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.futurbox-ios-modal.is-visible .futurbox-ios-modal__content {
    transform: translateY(0);
}

.futurbox-ios-modal__content h3 {
    margin: 0 0 12px 0;
    font-size: 18px;
    font-weight: 600;
}

.futurbox-ios-modal__content ol {
    margin: 0 0 20px 0;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--fcom-text-secondary, #4b5563);
}

.futurbox-ios-modal__content ol li {
    margin-bottom: 8px;
}

.futurbox-ios-modal__content ol li strong {
    color: var(--fcom-text, #111827);
}

.futurbox-ios-modal__content button {
    width: 100%;
}

@media (prefers-color-scheme: dark) {
    .futurbox-ios-modal__content {
        background: var(--fcom-bg, #1f2937);
        color: var(--fcom-text, #f9fafb);
    }
    .futurbox-ios-modal__content ol {
        color: var(--fcom-text-secondary, #9ca3af);
    }
    .futurbox-ios-modal__content ol li strong {
        color: var(--fcom-text, #f9fafb);
    }
}

/* ============================================================================
   Share toast — fallback notifikácia pri clipboard copy
   ========================================================================== */
.futurbox-share-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 10001;
    background: #1f2937;
    color: #ffffff;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
    pointer-events: none;
    white-space: nowrap;
}

.futurbox-share-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================================================
   Share-received panel (Feature 3 — Web Share Target landing UI)
   ========================================================================== */
.futurbox-share-received-panel {
    position: fixed;
    inset: 0;
    z-index: 10002;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.futurbox-share-received-panel.is-visible {
    opacity: 1;
    pointer-events: auto;
}

@media (min-width: 640px) {
    .futurbox-share-received-panel {
        align-items: center;
        padding: 24px;
    }
}

.futurbox-share-received-panel__inner {
    background: var(--fcom-bg, #ffffff);
    color: var(--fcom-text, #1f2937);
    width: 100%;
    max-width: 480px;
    padding: 20px;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.18);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (min-width: 640px) {
    .futurbox-share-received-panel__inner {
        border-radius: 16px;
        transform: translateY(20px);
    }
}

.futurbox-share-received-panel.is-visible .futurbox-share-received-panel__inner {
    transform: translateY(0);
}

.futurbox-share-received-panel__inner strong {
    display: block;
    font-size: 16px;
    margin-bottom: 12px;
}

.futurbox-share-received-panel__inner textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 1px solid var(--fcom-border, #e5e7eb);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
    background: var(--fcom-bg-soft, #f9fafb);
    color: inherit;
    box-sizing: border-box;
}

.futurbox-share-received-panel__actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    justify-content: flex-end;
}

.futurbox-share-received-panel__btn {
    appearance: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 8px;
    transition: background 0.15s, transform 0.05s;
    line-height: 1;
}

.futurbox-share-received-panel__btn:active { transform: scale(0.98); }

.futurbox-share-received-panel__btn--primary {
    background: var(--fcom-primary, #1a73e8);
    color: #ffffff;
}
.futurbox-share-received-panel__btn--primary:hover {
    background: var(--fcom-primary-hover, #1557b0);
}

.futurbox-share-received-panel__btn--ghost {
    background: transparent;
    color: var(--fcom-text-secondary, #6b7280);
}
.futurbox-share-received-panel__btn--ghost:hover {
    background: var(--fcom-hover-bg, rgba(0, 0, 0, 0.04));
}

.futurbox-share-received-panel__hint {
    margin: 12px 0 0 0;
    font-size: 12px;
    color: var(--fcom-text-secondary, #9ca3af);
}

@media (prefers-color-scheme: dark) {
    .futurbox-share-received-panel__inner {
        background: var(--fcom-bg, #1f2937);
        color: var(--fcom-text, #f9fafb);
    }
    .futurbox-share-received-panel__inner textarea {
        background: var(--fcom-bg-soft, #111827);
        border-color: var(--fcom-border, #374151);
    }
}
