/* Mobile-First Responsive Framework for All Tools */

/* Base Mobile Styles */
@media (max-width: 768px) {
    /* Container adjustments */
    .container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    /* Hero section mobile optimization */
    .hero-section {
        padding: 2rem 0 !important;
    }
    
    .hero-title {
        font-size: 1.875rem !important; /* text-3xl */
        line-height: 2.25rem !important;
        margin-bottom: 1rem !important;
    }
    
    .hero-subtitle {
        font-size: 1rem !important; /* text-base */
        line-height: 1.75rem !important;
        padding: 0 1rem !important;
    }
    
    /* Tool section mobile optimization */
    .tool-section {
        padding: 2rem 0 !important;
    }
    
    .tool-title {
        font-size: 1.5rem !important; /* text-2xl */
        margin-bottom: 1rem !important;
    }
    
    .tool-subtitle {
        font-size: 0.875rem !important; /* text-sm */
        line-height: 1.5rem !important;
    }
    
    /* Grid adjustments */
    .grid-responsive {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .xl\\:grid-cols-3,
    .lg\\:grid-cols-2,
    .md\\:grid-cols-2 {
        grid-template-columns: 1fr !important;
    }
    
    .lg\\:col-span-2,
    .xl\\:col-span-2 {
        grid-column: span 1 !important;
    }
    
    /* Card adjustments */
    .tool-card {
        padding: 1rem !important;
        margin-bottom: 1rem !important;
        border-radius: 1rem !important;
    }
    
    .card-header {
        margin-bottom: 1rem !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }
    
    .card-title {
        font-size: 1.125rem !important; /* text-lg */
        line-height: 1.75rem !important;
    }
    
    .card-subtitle {
        font-size: 0.75rem !important; /* text-xs */
        line-height: 1rem !important;
    }
    
    /* Button adjustments */
    .btn-mobile {
        width: 100% !important;
        min-height: 44px !important;
        font-size: 0.875rem !important;
        padding: 0.75rem 1rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .btn-group-mobile {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }
    
    .btn-group-mobile .btn-mobile:last-child {
        margin-bottom: 0 !important;
    }
    
    /* Form elements */
    .form-input-mobile {
        font-size: 16px !important; /* Prevents zoom on iOS */
        line-height: 1.5 !important;
        padding: 0.75rem 1rem !important;
        width: 100% !important;
    }
    
    .form-textarea-mobile {
        font-size: 16px !important;
        line-height: 1.5 !important;
        padding: 0.75rem 1rem !important;
        min-height: 120px !important;
    }
    
    .form-select-mobile {
        font-size: 16px !important;
        padding: 0.75rem 1rem !important;
        height: auto !important;
        min-height: 44px !important;
    }
    
    .form-label-mobile {
        font-size: 0.875rem !important;
        font-weight: 600 !important;
        margin-bottom: 0.5rem !important;
        display: block !important;
    }
    
    /* File upload areas */
    .upload-area-mobile {
        padding: 1.5rem 1rem !important;
        border: 2px dashed #d1d5db !important;
        border-radius: 0.75rem !important;
        text-align: center !important;
        min-height: 120px !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
    }
    
    .upload-icon-mobile {
        font-size: 2rem !important;
        margin-bottom: 0.75rem !important;
        color: #6b7280 !important;
    }
    
    .upload-text-mobile {
        font-size: 0.875rem !important;
        color: #6b7280 !important;
        text-align: center !important;
    }
    
    /* Progress bars */
    .progress-container-mobile {
        margin: 1rem 0 !important;
        padding: 1rem !important;
        background: #f9fafb !important;
        border-radius: 0.75rem !important;
        border: 1px solid #e5e7eb !important;
    }
    
    .progress-bar-mobile {
        height: 8px !important;
        background: #e5e7eb !important;
        border-radius: 4px !important;
        overflow: hidden !important;
        margin: 0.5rem 0 !important;
    }
    
    .progress-fill-mobile {
        height: 100% !important;
        background: linear-gradient(90deg, #10b981, #059669) !important;
        transition: width 0.3s ease !important;
    }
    
    .progress-text-mobile {
        font-size: 0.875rem !important;
        font-weight: 600 !important;
        text-align: center !important;
        margin-top: 0.5rem !important;
    }
    
    /* Results section */
    .results-mobile {
        margin-top: 1.5rem !important;
        padding: 1rem !important;
        background: white !important;
        border-radius: 1rem !important;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1) !important;
    }
    
    .results-header-mobile {
        margin-bottom: 1rem !important;
        padding-bottom: 1rem !important;
        border-bottom: 1px solid #e5e7eb !important;
    }
    
    .results-title-mobile {
        font-size: 1.125rem !important;
        font-weight: 700 !important;
        color: #1f2937 !important;
        margin-bottom: 0.25rem !important;
    }
    
    .results-subtitle-mobile {
        font-size: 0.75rem !important;
        color: #6b7280 !important;
    }
    
    /* Table mobile alternative */
    .table-mobile {
        display: none !important;
    }
    
    .cards-mobile {
        display: block !important;
        space-y: 1rem !important;
    }
    
    .card-mobile {
        background: white !important;
        padding: 1rem !important;
        border-radius: 0.75rem !important;
        border: 1px solid #e5e7eb !important;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1) !important;
    }
    
    .card-mobile-header {
        display: flex !important;
        justify-content: space-between !important;
        align-items: flex-start !important;
        margin-bottom: 0.75rem !important;
    }
    
    .card-mobile-title {
        font-size: 1rem !important;
        font-weight: 600 !important;
        color: #1f2937 !important;
    }
    
    .card-mobile-badge {
        font-size: 0.75rem !important;
        padding: 0.25rem 0.5rem !important;
        border-radius: 9999px !important;
        font-weight: 600 !important;
    }
    
    .card-mobile-content {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }
    
    .card-mobile-stat {
        text-align: center !important;
        padding: 0.75rem !important;
        background: #f9fafb !important;
        border-radius: 0.5rem !important;
    }
    
    .card-mobile-stat-label {
        font-size: 0.75rem !important;
        color: #6b7280 !important;
        font-weight: 500 !important;
        margin-bottom: 0.25rem !important;
    }
    
    .card-mobile-stat-value {
        font-size: 1rem !important;
        font-weight: 700 !important;
        color: #1f2937 !important;
    }
    
    /* Notifications mobile */
    .notification-mobile {
        position: fixed !important;
        top: 1rem !important;
        left: 1rem !important;
        right: 1rem !important;
        z-index: 9999 !important;
        padding: 1rem !important;
        border-radius: 0.75rem !important;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important;
        font-size: 0.875rem !important;
        font-weight: 500 !important;
    }
    
    .notification-success-mobile {
        background: #dcfce7 !important;
        color: #166534 !important;
        border: 1px solid #bbf7d0 !important;
    }
    
    .notification-error-mobile {
        background: #fef2f2 !important;
        color: #dc2626 !important;
        border: 1px solid #fecaca !important;
    }
    
    .notification-info-mobile {
        background: #dbeafe !important;
        color: #1d4ed8 !important;
        border: 1px solid #bfdbfe !important;
    }
    
    /* Spacing utilities */
    .space-y-mobile > * + * {
        margin-top: 1rem !important;
    }
    
    .space-y-mobile-sm > * + * {
        margin-top: 0.5rem !important;
    }
    
    .space-y-mobile-lg > * + * {
        margin-top: 1.5rem !important;
    }
    
    /* Typography mobile */
    .text-mobile-xs {
        font-size: 0.75rem !important;
        line-height: 1rem !important;
    }
    
    .text-mobile-sm {
        font-size: 0.875rem !important;
        line-height: 1.25rem !important;
    }
    
    .text-mobile-base {
        font-size: 1rem !important;
        line-height: 1.5rem !important;
    }
    
    .text-mobile-lg {
        font-size: 1.125rem !important;
        line-height: 1.75rem !important;
    }
    
    .text-mobile-xl {
        font-size: 1.25rem !important;
        line-height: 1.75rem !important;
    }
    
    /* Hide desktop-only elements */
    .desktop-only {
        display: none !important;
    }
    
    /* Show mobile-only elements */
    .mobile-only {
        display: block !important;
    }
}

/* Tablet specific optimizations */
@media (min-width: 768px) and (max-width: 1024px) {
    .xl\\:grid-cols-3 {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    
    .lg\\:col-span-2 {
        grid-column: span 1 !important;
    }
    
    .lg\\:col-span-1 {
        grid-column: span 1 !important;
    }
    
    .tool-card {
        padding: 1.5rem !important;
    }
    
    .container {
        padding-left: 2rem !important;
        padding-right: 2rem !important;
    }
}

/* Desktop - show mobile table alternatives */
@media (min-width: 769px) {
    .table-mobile {
        display: table !important;
    }
    
    .cards-mobile {
        display: none !important;
    }
    
    .mobile-only {
        display: none !important;
    }
    
    .desktop-only {
        display: block !important;
    }
}

/* Common mobile improvements for all tools */
.mobile-optimized {
    /* Touch-friendly interactions */
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    
    /* Smooth scrolling */
    scroll-behavior: smooth;
    
    /* Better text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* File input styling */
.file-input-mobile {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 100%;
}

.file-input-mobile input[type="file"] {
    position: absolute;
    left: -9999px;
}

.file-input-mobile label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    background: #3b82f6;
    color: white;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 44px;
}

.file-input-mobile:hover label {
    background: #2563eb;
}

/* Loading states */
.loading-mobile {
    position: relative;
    overflow: hidden;
}

.loading-mobile::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .tool-card {
        border: 2px solid !important;
    }
    
    .btn-mobile {
        border: 2px solid !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .tool-card {
        background: #1f2937 !important;
        color: #f9fafb !important;
        border-color: #374151 !important;
    }
    
    .form-input-mobile,
    .form-textarea-mobile,
    .form-select-mobile {
        background: #374151 !important;
        color: #f9fafb !important;
        border-color: #4b5563 !important;
    }
}