/**
 * Funky.PWAUpdate - PWA Update Indicator Styles
 * Theme-aware styling for the version badge and update button
 * @version 1.0.4
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    --pwa-update-bg: var(--pro-bg-elevated, #2d2d2d);
    --pwa-update-border: var(--pro-border-color, #444);
    --pwa-update-text: var(--pro-text-secondary, #aaa);
    --pwa-update-text-hover: var(--pro-text-primary, #fff);
    --pwa-update-badge-bg: var(--pro-bg-tertiary, #333);
    --pwa-update-badge-text: var(--pro-text-muted, #888);
    --pwa-update-available-bg: var(--pro-success, #198754);
    --pwa-update-available-pulse: var(--pro-success, #198754);
    --pwa-update-radius: var(--pro-radius-sm, 4px);
    --pwa-update-shadow: var(--pro-shadow-md, 0 4px 12px rgba(0,0,0,0.3));
}

/* ============================================
   Version Badge (shown in footer/sidebar)
   ============================================ */
.pwa-version-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--pwa-update-badge-text);
    background: var(--pwa-update-badge-bg);
    border-radius: var(--pwa-update-radius);
    cursor: default;
    transition: all 0.2s ease;
}

.pwa-version-badge:hover {
    color: var(--pwa-update-text-hover);
}

.pwa-version-badge__version {
    font-family: var(--pro-font-mono, monospace);
}

.pwa-version-badge__icon {
    font-size: 0.875rem;
}

/* ============================================
   Update Available State
   ============================================ */
.pwa-version-badge--update-available {
    background: var(--pwa-update-available-bg);
    color: #fff;
    cursor: pointer;
    animation: pwa-update-pulse 2s ease-in-out infinite;
}

.pwa-version-badge--update-available:hover {
    color: #fff;
    filter: brightness(1.1);
}

@keyframes pwa-update-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(var(--pro-success-rgb, 25, 135, 84), 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(var(--pro-success-rgb, 25, 135, 84), 0);
    }
}

/* ============================================
   Update Button (standalone)
   ============================================ */
.pwa-update-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pwa-update-text);
    background: var(--pwa-update-bg);
    border: 1px solid var(--pwa-update-border);
    border-radius: var(--pwa-update-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pwa-update-btn:hover {
    color: var(--pwa-update-text-hover);
    background: var(--pro-bg-tertiary, #3a3a3a);
    border-color: var(--pro-primary, #0d6efd);
}

.pwa-update-btn:focus {
    outline: 2px solid var(--pro-focus-ring, var(--pro-primary));
    outline-offset: 2px;
}

.pwa-update-btn:active {
    transform: scale(0.98);
}

.pwa-update-btn--loading {
    pointer-events: none;
    opacity: 0.7;
}

.pwa-update-btn--loading .pwa-update-btn__icon {
    animation: pwa-spin 1s linear infinite;
}

@keyframes pwa-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   Update Panel (slide-in notification)
   ============================================ */
.pwa-update-panel {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--pwa-update-bg);
    border: 1px solid var(--pwa-update-border);
    border-radius: var(--pro-radius, 8px);
    box-shadow: var(--pwa-update-shadow);
    transform: translateY(120%);
    opacity: 0;
    transition: all 0.3s ease;
}

.pwa-update-panel--visible {
    transform: translateY(0);
    opacity: 1;
}

.pwa-update-panel__text {
    color: var(--pwa-update-text);
    font-size: 0.875rem;
}

.pwa-update-panel__text strong {
    color: var(--pwa-update-text-hover);
}

.pwa-update-panel__actions {
    display: flex;
    gap: 0.5rem;
}

.pwa-update-panel__btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: var(--pwa-update-radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pwa-update-panel__btn--primary {
    background: var(--pro-primary, #0d6efd);
    color: #fff;
}

.pwa-update-panel__btn--primary:hover {
    filter: brightness(1.1);
}

.pwa-update-panel__btn--secondary {
    background: transparent;
    color: var(--pwa-update-text);
    border: 1px solid var(--pwa-update-border);
}

.pwa-update-panel__btn--secondary:hover {
    color: var(--pwa-update-text-hover);
    border-color: var(--pwa-update-text);
}

.pwa-update-panel__close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem;
    background: none;
    border: none;
    color: var(--pwa-update-text);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.pwa-update-panel__close:hover {
    opacity: 1;
}

/* ============================================
   Footer Integration
   ============================================ */
.sidebar-footer .pwa-version-badge {
    margin-left: auto;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 480px) {
    .pwa-update-panel {
        left: 1rem;
        right: 1rem;
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .pwa-update-panel__actions {
        justify-content: center;
    }
}

/* ============================================
   High Contrast Theme Support
   ============================================ */
[data-theme="high-contrast"] .pwa-version-badge {
    border: 1px solid var(--pwa-update-border);
}

[data-theme="high-contrast"] .pwa-update-panel {
    border-width: 2px;
}

/* ============================================
   Light Theme Adjustments
   ============================================ */
[data-theme="light"] {
    --pwa-update-bg: var(--pro-bg-elevated, #fff);
    --pwa-update-border: var(--pro-border-color, #dee2e6);
    --pwa-update-text: var(--pro-text-secondary, #6c757d);
    --pwa-update-text-hover: var(--pro-text-primary, #212529);
    --pwa-update-badge-bg: var(--pro-bg-tertiary, #f8f9fa);
    --pwa-update-badge-text: var(--pro-text-muted, #6c757d);
    --pwa-update-shadow: var(--pro-shadow-md, 0 4px 12px rgba(0,0,0,0.1));
}