/* ============================================
   GLOBAL RESPONSIVE UTILITIES
   Vehicle Outline Generator - Mobile-First
   ============================================ */

/* Mobile-First Base Styles */
body {
    font-size: 16px;
    line-height: 1.6;
}

/* Container adjustments */
@media (max-width: 767px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* Typography scaling for mobile */
@media (max-width: 767px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.9rem; }
}

/* Button responsive utilities */
@media (max-width: 767px) {
    .btn-lg {
        padding: 12px 20px;
        font-size: 1rem;
    }

    .btn-responsive {
        width: 100%;
        margin-bottom: 10px;
    }

    /* Make action button groups stack */
    .d-flex.gap-2 {
        flex-direction: column;
    }

    .d-flex.gap-2 .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Card responsive utilities */
@media (max-width: 767px) {
    .card {
        margin-bottom: 20px;
    }

    .card-body {
        padding: 15px;
    }
}

/* Form responsive utilities */
@media (max-width: 767px) {
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
        height: 48px; /* Touch-friendly */
    }

    label {
        font-size: 0.95rem;
    }

    textarea.form-control {
        height: auto;
        min-height: 100px;
    }
}

/* Modal responsive utilities */
@media (max-width: 767px) {
    .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }

    .modal-content {
        border-radius: 8px;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 15px;
    }
}

/* Table responsive utilities */
@media (max-width: 767px) {
    .table-responsive {
        border: none;
    }

    /* Stack tables on mobile */
    .table-mobile-stack thead {
        display: none;
    }

    .table-mobile-stack tr {
        display: block;
        margin-bottom: 20px;
        border: 1px solid #dee2e6;
        border-radius: 8px;
    }

    .table-mobile-stack td {
        display: block;
        text-align: right;
        padding: 10px;
        border: none;
    }

    .table-mobile-stack td:before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
    }
}

/* Image responsive utilities */
img {
    max-width: 100%;
    height: auto;
}

.img-responsive {
    width: 100%;
    height: auto;
}

/* Spacing utilities for mobile */
@media (max-width: 767px) {
    .mb-mobile-3 { margin-bottom: 1rem !important; }
    .mb-mobile-4 { margin-bottom: 1.5rem !important; }
    .mt-mobile-3 { margin-top: 1rem !important; }
    .mt-mobile-4 { margin-top: 1.5rem !important; }
    .px-mobile-2 { padding-left: 0.5rem !important; padding-right: 0.5rem !important; }
    .py-mobile-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
}

/* Touch-friendly utilities */
@media (max-width: 767px) {
    .touch-target {
        min-height: 44px;
        min-width: 44px;
    }

    a.touch-target,
    button.touch-target {
        padding: 12px;
    }
}

/* Hide/show utilities */
.mobile-only {
    display: none;
}

@media (max-width: 767px) {
    .mobile-only {
        display: block !important;
    }

    .desktop-only {
        display: none !important;
    }
}

/* Grid adjustments */
@media (max-width: 767px) {
    .row.g-3,
    .row.g-4 {
        gap: 15px;
    }

    [class*='col-'] {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Alert responsive */
@media (max-width: 767px) {
    .alert {
        padding: 12px;
        font-size: 0.9rem;
    }

    .alert .btn {
        width: 100%;
        margin-top: 10px;
    }

    .alert h6 {
        font-size: 1rem;
    }
}

/* Badge responsive */
@media (max-width: 767px) {
    .badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
}

/* Stat badges responsive */
@media (max-width: 767px) {
    .stat-badge {
        margin-bottom: 10px;
        width: 100%;
        justify-content: center;
        display: flex !important;
    }
}

/* Navigation responsive */
@media (max-width: 991px) {
    .navbar-toggler {
        padding: 8px 12px;
        font-size: 1.5rem;
        border: 2px solid #dee2e6;
    }

    .navbar-collapse {
        background: white;
        padding: 20px;
        margin-top: 10px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    .navbar-nav .nav-item {
        margin-bottom: 10px;
    }

    .navbar-nav .nav-link {
        padding: 12px 15px;
        font-size: 1.1rem;
    }
}

/* Flexbox helper for mobile stacking */
@media (max-width: 767px) {
    .flex-mobile-column {
        flex-direction: column !important;
    }

    .flex-mobile-column > * {
        width: 100%;
        margin-bottom: 10px;
    }
}