/**
 * PWA Styles - Install Banner, Notifications, and Offline UI
 * Modern blue-slate color scheme
 */

/* Install Banner — floating card */
.pwa-install-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 320px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14), 0 2px 8px rgba(0, 0, 0, 0.08);
    z-index: 998;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    box-sizing: border-box;
}

.pwa-install-banner.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Mobile: stretch across bottom, above bottom nav */
@media (max-width: 767px) {
    .pwa-install-banner {
        bottom: 90px;
        left: 12px;
        right: 12px;
        width: auto;
    }
}

.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwa-banner-icon {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

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

.pwa-banner-text strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pwa-banner-text p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.pwa-banner-dismiss-top {
    flex-shrink: 0;
    background: transparent;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: color 0.2s, background 0.2s;
    line-height: 1;
}

.pwa-banner-dismiss-top:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.pwa-banner-actions {
    margin-top: 12px;
}

.pwa-btn-install,
.pwa-btn-update {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    color: white;
    border: none;
    padding: 9px 16px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.2s, transform 0.1s;
    font-size: 0.8125rem;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

.pwa-btn-install:hover,
.pwa-btn-update:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.45);
}

.pwa-btn-install:active,
.pwa-btn-update:active {
    transform: translateY(0);
}

/* Legacy dismiss button (hidden — replaced by top-right X) */
.pwa-btn-dismiss {
    display: none;
}

/* Update Banner */
.pwa-update-banner {
    position: fixed;
    top: -100px;
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: var(--spacing-4);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    transition: top 0.3s ease;
}

.pwa-update-banner.show {
    top: 0;
}

/* PWA Notifications */
.pwa-notification {
    position: fixed;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    z-index: 10001;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s ease;
    max-width: 350px;
}

.pwa-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.pwa-notification i {
    font-size: var(--text-xl);
}

.pwa-notification-success {
    border-left: 4px solid var(--success);
}

.pwa-notification-success i {
    color: var(--success);
}

.pwa-notification-info {
    border-left: 4px solid var(--info);
}

.pwa-notification-info i {
    color: var(--info);
}

.pwa-notification-warning {
    border-left: 4px solid var(--warning);
}

.pwa-notification-warning i {
    color: var(--warning);
}

/* Offline Indicator */
.offline-indicator {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--danger);
    color: white;
    padding: var(--spacing-3);
    text-align: center;
    font-weight: var(--font-semibold);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

@media (max-width: 767px) {
    .offline-indicator {
        bottom: 80px; /* Above bottom nav */
    }
}

.offline-indicator.show {
    transform: translateY(0);
}

/* iOS Safe Area Support */
@supports (padding-top: env(safe-area-inset-top)) {
    .pwa-install-banner {
        padding-bottom: calc(var(--spacing-4) + env(safe-area-inset-bottom));
    }

    .pwa-update-banner {
        padding-top: calc(var(--spacing-4) + env(safe-area-inset-top));
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .pwa-notification {
        right: var(--spacing-2);
        left: var(--spacing-2);
        max-width: none;
        top: var(--spacing-2);
    }
}

/* Loading Spinner for PWA */
.pwa-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: pwa-spin 0.6s linear infinite;
}

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

/* Splash Screen Simulation */
.pwa-splash {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.pwa-splash.hide {
    opacity: 0;
    pointer-events: none;
}

.pwa-splash-logo {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.pwa-splash-text {
    color: white;
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-4);
}

.pwa-splash-tagline {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-base);
}

/* Dark mode support */
[data-theme="dark"] .pwa-install-banner,
[data-theme="dark"] .pwa-update-banner,
[data-theme="dark"] .pwa-notification {
    background: var(--surface);
    border-color: var(--border);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .pwa-banner-icon {
    background: rgba(59, 130, 246, 0.15);
}