/* Touch Target Enhancements - Minimum 44x44px */

/* Ensure all interactive elements meet touch target size */
button,
.btn,
.icon-btn,
.nav-item,
.filter-select,
input[type="button"],
input[type="submit"],
input[type="checkbox"],
input[type="radio"],
a {
    min-width: 44px;
    min-height: 44px;
}

/* Enhanced bottom navigation for mobile */
.bottom-nav {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.nav-item {
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 3px;
    background: var(--primary);
    border-radius: 0 0 3px 3px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-item:active {
    transform: scale(0.92);
    background: var(--bg-secondary);
}

/* Footer link touch enhancements */
.footer-link {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.footer-link:active {
    transform: scale(0.98);
    background: var(--bg-secondary);
}

/* Touch feedback for interactive elements */
.vehicle-card,
.threat-card,
.maintenance-card,
.btn,
.icon-btn,
.nav-item {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

/* Enhanced touch feedback animations */
.vehicle-card:active,
.threat-card:active,
.maintenance-card:active {
    transform: scale(0.98);
    transition: transform 100ms ease-out;
}

.btn:active {
    transform: scale(0.95);
    transition: transform 100ms ease-out;
}

.icon-btn:active {
    transform: scale(0.9);
    transition: transform 100ms ease-out;
}

.nav-item:active {
    transform: scale(0.95);
    opacity: 0.7;
    transition: transform 100ms ease-out, opacity 100ms ease-out;
}

/* Increased spacing between interactive elements */
.filters {
    gap: max(var(--spacing-sm), 8px);
}

.vehicle-list,
.threat-list,
.maintenance-list {
    gap: max(var(--spacing-md), 12px);
}

.bottom-nav {
    gap: max(var(--spacing-sm), 8px);
}

/* Touch-friendly form controls */
.filter-select {
    min-height: 44px;
    padding: 10px var(--spacing-md);
    font-size: 16px; /* Prevents zoom on iOS */
}

/* Larger touch targets for small icons */
.vehicle-stat {
    padding: var(--spacing-xs) 0;
}

.chip {
    padding: 6px var(--spacing-sm);
    min-height: 28px;
}

/* Bottom sheet handle - larger touch area */
.bottom-sheet-handle {
    width: 48px;
    height: 5px;
    margin: var(--spacing-md) auto;
    position: relative;
}

.bottom-sheet-handle::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
}

/* Swipe gestures support */
.bottom-sheet {
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.filters {
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
}

.pipeline-container {
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
}

/* Prevent double-tap zoom on specific elements */
.stat-card,
.vehicle-card,
.threat-card,
.maintenance-card {
    touch-action: manipulation;
}

/* Hover states for devices that support it */
@media (hover: hover) and (pointer: fine) {
    .vehicle-card:hover,
    .threat-card:hover,
    .maintenance-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    
    .btn:hover {
        opacity: 0.9;
    }
    
    .icon-btn:hover {
        background: var(--border-color);
    }
    
    .nav-item:hover {
        background: var(--bg-secondary);
    }
}

/* Focus indicators for accessibility */
button:focus-visible,
.btn:focus-visible,
.icon-btn:focus-visible,
.nav-item:focus-visible,
.filter-select:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* Ensure spacing between focusable elements */
.section-header {
    gap: var(--spacing-md);
}

.section-header .btn,
.section-header .icon-btn {
    margin-left: auto;
}

/* Touch-friendly stats cards */
.stats-grid {
    gap: max(var(--spacing-sm), 8px);
}

.stat-card {
    padding: max(var(--spacing-md), 12px);
    cursor: default;
}

/* Enlarged pipeline steps for touch */
.pipeline-step {
    min-width: 60px;
    min-height: 60px;
    padding: var(--spacing-sm);
}

/* Touch-friendly maintenance actions */
.maintenance-card {
    min-height: 120px;
}

/* Better touch feedback for status badge */
.status-badge {
    min-height: 32px;
    padding: 6px var(--spacing-md);
}

/* Scrollbar styling for touch devices */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:active {
    background: var(--text-tertiary);
}

/* Additional spacing for mobile devices */
@media (max-width: 640px) {
    .app-content {
        padding-bottom: calc(var(--spacing-md) + 8px);
    }
    
    .vehicle-card:last-child,
    .threat-card:last-child,
    .maintenance-card:last-child {
        margin-bottom: var(--spacing-md);
    }
}

/* iOS specific touch enhancements */
@supports (-webkit-touch-callout: none) {
    button,
    .btn,
    .icon-btn {
        -webkit-appearance: none;
        appearance: none;
    }
    
    .filter-select {
        -webkit-appearance: none;
        appearance: none;
        background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path fill="gray" d="M6 9L1 4h10z"/></svg>');
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 36px;
    }
}

/* Android specific touch enhancements */
@media (pointer: coarse) {
    * {
        -webkit-tap-highlight-color: rgba(99, 102, 241, 0.1);
    }
    
    button,
    .btn,
    .icon-btn,
    .nav-item {
        -webkit-tap-highlight-color: rgba(99, 102, 241, 0.2);
    }
}