/* Fitness Tracker PWA - Mobile-Specific Styles */

/* Mobile Optimizations */
@media (max-width: 768px) {
    /* Header adjustments for mobile */
    #app-header {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    #screen-title {
        font-size: var(--font-size-base);
        width: 100%;
        order: 1;
    }

    .date-navigation {
        order: 2;
        flex: 1;
    }

    #offline-indicator {
        order: 3;
    }

    /* Larger touch targets on mobile */
    button {
        min-height: 52px;
        font-size: var(--font-size-lg);
    }

    .btn-small {
        min-height: 40px;
        font-size: var(--font-size-base);
    }

    .btn-date-nav,
    .btn-date-today,
    .date-picker {
        min-height: 36px;
        height: 36px;
    }

    /* Prevent zoom on input focus (iOS) */
    input,
    select,
    textarea {
        font-size: 16px !important;
    }

    /* Full-width buttons on mobile */
    .action-buttons {
        flex-direction: column;
    }

    .action-buttons button {
        width: 100%;
    }

    /* Single column grid on mobile */
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    /* Adjusted header for mobile */
    #screen-title {
        font-size: var(--font-size-xl);
    }

    /* Bottom nav labels smaller on mobile */
    .nav-label {
        font-size: 10px;
    }

    /* Reduce padding on mobile */
    #main-content {
        padding: var(--spacing-sm);
        /* Extra padding to prevent FAB buttons from blocking content */
        padding-bottom: calc(var(--bottom-nav-height) + 80px);
    }

    .stat-card,
    .chart-container,
    .settings-section {
        padding: var(--spacing-sm);
    }

    /* Error display full width on mobile */
    #error-display {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        top: var(--spacing-sm);
    }

    /* Date range selector scroll on mobile */
    .date-range-selector {
        -webkit-overflow-scrolling: touch;
    }

    /* Quick actions on mobile */
    .quick-actions {
        grid-template-columns: 1fr;
    }

    .btn-quick-action {
        font-size: var(--font-size-xl);
        min-height: 80px;
    }
}

/* Tablet Optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Optimizations */
@media (min-width: 1025px) {
    /* Center content on large screens */
    #app {
        max-width: 1200px;
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Bottom nav becomes side nav on desktop */
    #bottom-nav {
        left: 0;
        right: auto;
        top: 0;
        bottom: 0;
        width: 200px;
        height: auto;
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg) 0;
    }

    .nav-item {
        flex-direction: row;
        justify-content: flex-start;
        padding: var(--spacing-md);
        width: 100%;
        min-height: 56px;
    }

    .nav-icon {
        margin-bottom: 0;
        margin-right: var(--spacing-sm);
    }

    .nav-label {
        font-size: var(--font-size-base);
    }

    #main-content {
        margin-left: 200px;
        padding-bottom: var(--spacing-md);
    }

    #app-header {
        margin-left: 200px;
    }
}

/* Landscape Orientation */
@media (max-width: 768px) and (orientation: landscape) {
    /* Reduce vertical padding in landscape */
    #main-content {
        padding-top: var(--spacing-xs);
        /* Extra padding to prevent FAB buttons from blocking content */
        padding-bottom: calc(var(--bottom-nav-height) + 80px);
    }

    .screen h2 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }

    .stat-card,
    .chart-container {
        margin-bottom: var(--spacing-xs);
    }
}

/* Safe Area Insets (iPhone X+) */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    #bottom-nav {
        padding-bottom: calc(var(--spacing-xs) + env(safe-area-inset-bottom));
        height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
    }

    #main-content {
        /* Extra padding to prevent FAB buttons from blocking content */
        padding-bottom: calc(var(--bottom-nav-height) + 80px + env(safe-area-inset-bottom));
    }
}

/* Prevent horizontal scrolling */
html,
body {
    overflow-x: hidden;
    max-width: 100vw;
}

#app {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    button:hover {
        background-color: inherit;
    }

    .btn-primary:hover {
        background-color: var(--accent-primary);
    }

    .btn-secondary:hover {
        background-color: var(--bg-tertiary);
    }

    .btn-danger:hover {
        background-color: var(--accent-danger);
    }

    .nav-item:hover {
        color: inherit;
    }

    .nav-item.active {
        color: var(--accent-primary);
    }

    /* Active state feedback for touch */
    button:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
}