/* ==================== PWA INSTALL BANNER ==================== */
.install-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    padding-top: calc(12px + env(safe-area-inset-top));
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.install-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.install-banner-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-shrink: 0;
}

.install-banner-text {
    flex: 1;
    min-width: 0;
}

.install-banner-text strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.install-banner-text span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.install-banner .btn {
    flex-shrink: 0;
    min-height: 38px;
    padding: 8px 18px;
    font-size: 0.9rem;
}

.install-banner-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.2s;
}

.install-banner-close:hover {
    color: var(--text-primary);
}

/* iOS Install Guide */
.ios-install-guide {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 0 16px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.ios-guide-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.ios-guide-content p {
    margin: 8px 0;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.ios-guide-content .install-banner-close {
    position: absolute;
    top: 8px;
    right: 8px;
}

.ios-share-icon {
    font-size: 1.1rem;
}

/* When install banner is visible, push content down */
.install-banner:not(.hidden) ~ .auth-screen,
.install-banner:not(.hidden) ~ .app-wrapper {
    padding-top: 68px;
}