/**
 * Additional CSS for Enhanced Features
 * Add this to the end of style.css
 */

/* ============================================
   FORM ERROR STATES
   ============================================ */
.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: #dc3545;
    background-color: #fff5f5;
}

.form-group.error label::after {
    content: " ⚠";
    color: #dc3545;
}

/* ============================================
   FORM MESSAGE VARIANTS
   ============================================ */
.form-message.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* ============================================
   OFFLINE BADGE
   ============================================ */
.offline-badge {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #ff9800;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 9999;
    display: none;
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ============================================
   PWA INSTALL PROMPT
   ============================================ */
.pwa-install-prompt {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2c2c2e 100%);
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.pwa-install-prompt.show {
    transform: translateY(0);
}

.pwa-prompt-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.pwa-prompt-text {
    flex: 1;
    min-width: 250px;
}

.pwa-prompt-text h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.pwa-prompt-text p {
    margin: 0;
    font-size: 0.95rem;
    opacity: 0.9;
}

.pwa-prompt-actions {
    display: flex;
    gap: 1rem;
}

.pwa-install-btn,
.pwa-dismiss-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
    min-height: 48px;
    min-width: 100px;
}

.pwa-install-btn {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.pwa-install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(241, 188, 49, 0.4);
}

.pwa-dismiss-btn {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.pwa-dismiss-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ============================================
   LOADING SKELETON (for dynamic content)
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 2rem;
    width: 60%;
    margin-bottom: 1rem;
}

/* ============================================
   NETWORK STATUS INDICATOR
   ============================================ */
.network-status {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    z-index: 999;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.network-status.offline {
    background: #f44336;
    color: white;
    display: flex;
}

.network-status.online {
    background: #4caf50;
    color: white;
    display: flex;
}

.network-status::before {
    content: "●";
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ============================================
   IMPROVED ACCESSIBILITY
   ============================================ */
/* Focus visible for better keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
}

/* Screen reader only class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   PRINT OPTIMIZATION
   ============================================ */
@media print {
    .offline-badge,
    .pwa-install-prompt,
    .network-status,
    .lang-switcher,
    .mobile-toggle {
        display: none !important;
    }
    
    * {
        color-adjust: exact;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS FOR NEW FEATURES
   ============================================ */
@media (max-width: 768px) {
    .offline-badge {
        bottom: 10px;
        right: 10px;
        font-size: 0.8rem;
        padding: 8px 12px;
    }
    
    .pwa-prompt-content {
        flex-direction: column;
        text-align: center;
    }
    
    .pwa-prompt-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .pwa-install-btn,
    .pwa-dismiss-btn {
        width: 100%;
    }
    
    .network-status {
        top: 70px;
        right: 10px;
        font-size: 0.75rem;
        padding: 0.6rem 1rem;
    }
}

/* ============================================
   DARK MODE SUPPORT (Optional)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Keep website light by default, but prepare for future dark mode */
    /* Uncomment when implementing dark mode toggle */
    /*
    :root {
        --primary-color: #ffd54f;
        --secondary-color: #e0e0e0;
        --light-bg: #1a1a1a;
        --white: #121212;
    }
    */
}

/* ============================================
   ENHANCED ANIMATIONS
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .product-card,
    .about-card,
    .partner-item {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .cta-button {
        transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                    box-shadow 0.3s ease;
    }
}