/* Mobile-First Responsive Design */

/* Mobile Base Styles (320px and up) */
@media screen and (max-width: 767px) {
    /* Typography adjustments */
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    h3 {
        font-size: 1.25rem;
        line-height: 1.4;
    }
    
    /* Container adjustments */
    .container,
    .container-sm,
    .container-lg {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    /* Navigation improvements */
    .nav-blur {
        padding: 1rem;
    }
    
    .nav-link {
        padding: 0.75rem 0;
        display: block;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Card adjustments */
    .card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .card-title {
        font-size: 1.125rem;
    }
    
    /* Button improvements */
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .btn + .btn {
        margin-top: 0.75rem;
    }
    
    /* Form improvements */
    .form-input,
    .form-textarea {
        padding: 1rem;
        font-size: 1rem;
        border-radius: 0.5rem;
    }
    
    .form-label {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }
    
    /* Grid system mobile adjustments */
    .grid {
        gap: 1rem;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    /* Spacing adjustments */
    .mb-3 { margin-bottom: 1rem; }
    .mb-4 { margin-bottom: 1.5rem; }
    .mb-5 { margin-bottom: 2rem; }
    
    .mt-3 { margin-top: 1rem; }
    .mt-4 { margin-top: 1.5rem; }
    .mt-5 { margin-top: 2rem; }
    
    .p-3 { padding: 1rem; }
    .p-4 { padding: 1.5rem; }
    .p-5 { padding: 2rem; }
}

/* Small Mobile (320px - 480px) */
@media screen and (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .container,
    .container-sm,
    .container-lg {
        padding: 0 0.75rem;
    }
    
    .card {
        padding: 0.75rem;
        border-radius: 0.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    h3 {
        font-size: 1.125rem;
    }
}

/* Tablet Portrait (768px - 1023px) */
@media screen and (min-width: 768px) and (max-width: 1023px) {
    .container {
        padding: 0 2rem;
    }
    
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn {
        width: auto;
        display: inline-flex;
    }
    
    .btn + .btn {
        margin-top: 0;
        margin-left: 0.75rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    /* Increase touch targets */
    .btn,
    .nav-link,
    .form-input,
    .form-textarea {
        min-height: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .card:hover,
    .btn:hover,
    .nav-link:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    /* Add active states for touch feedback */
    .btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .card:active {
        transform: scale(0.99);
        transition: transform 0.1s ease;
    }
}

/* Landscape orientation adjustments */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .nav-blur {
        padding: 0.5rem 1rem;
    }
    
    h1 {
        font-size: 1.25rem;
    }
    
    h2 {
        font-size: 1.125rem;
    }
    
    .card {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Ensure crisp borders and shadows */
    .card,
    .btn,
    .form-input {
        border-width: 0.5px;
    }
}

/* Accessibility improvements for mobile */
@media screen and (max-width: 767px) {
    /* Larger focus indicators */
    .btn:focus,
    .form-input:focus,
    .nav-link:focus {
        outline: 3px solid var(--primary-color);
        outline-offset: 2px;
    }
    
    /* Better contrast for small screens */
    .text-gray-600 {
        color: var(--gray-700);
    }
    
    .text-gray-500 {
        color: var(--gray-600);
    }
}

/* Mobile-specific utility classes */
.mobile-only {
    display: block;
}

.desktop-only {
    display: none;
}

@media screen and (min-width: 768px) {
    .mobile-only {
        display: none;
    }
    
    .desktop-only {
        display: block;
    }
}

/* Mobile navigation improvements */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    z-index: 1000;
    padding: 2rem 1.5rem;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile form improvements */
@media screen and (max-width: 767px) {
    .floating-label {
        position: relative;
        margin-bottom: 1.5rem;
    }
    
    .floating-label input,
    .floating-label textarea {
        width: 100%;
        padding: 1rem 0.75rem 0.5rem 0.75rem;
        border: 2px solid var(--gray-300);
        border-radius: 0.5rem;
        font-size: 1rem;
        background: white;
        transition: all 0.3s ease;
    }
    
    .floating-label label {
        position: absolute;
        left: 0.75rem;
        top: 1rem;
        font-size: 1rem;
        color: var(--gray-500);
        pointer-events: none;
        transition: all 0.3s ease;
        background: white;
        padding: 0 0.25rem;
    }
    
    .floating-label input:focus,
    .floating-label textarea:focus,
    .floating-label input:not(:placeholder-shown),
    .floating-label textarea:not(:placeholder-shown) {
        border-color: var(--primary-color);
        outline: none;
    }
    
    .floating-label input:focus + label,
    .floating-label textarea:focus + label,
    .floating-label input:not(:placeholder-shown) + label,
    .floating-label textarea:not(:placeholder-shown) + label {
        top: -0.5rem;
        left: 0.5rem;
        font-size: 0.75rem;
        color: var(--primary-color);
        font-weight: 500;
    }
}

/* Mobile gift card improvements */
@media screen and (max-width: 767px) {
    .gift-card {
        margin-bottom: 1rem;
        border-radius: 1rem;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .gift-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }
    
    .gift-card-content {
        padding: 1rem;
    }
    
    .gift-card-title {
        font-size: 1.125rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
        color: var(--gray-900);
    }
    
    .gift-card-description {
        font-size: 0.875rem;
        color: var(--gray-600);
        line-height: 1.5;
        margin-bottom: 1rem;
    }
    
    .gift-card-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .gift-card-badge {
        padding: 0.25rem 0.75rem;
        background: var(--gray-100);
        color: var(--gray-700);
        border-radius: 1rem;
        font-size: 0.75rem;
        font-weight: 500;
    }
}

/* Mobile loading states */
@media screen and (max-width: 767px) {
    .loading-spinner {
        width: 2rem;
        height: 2rem;
        border: 3px solid var(--gray-200);
        border-top: 3px solid var(--primary-color);
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin: 2rem auto;
    }
    
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }
    
    .loading-text {
        text-align: center;
        color: var(--gray-600);
        font-size: 0.875rem;
        margin-top: 1rem;
    }
}

/* Safe area adjustments for notched devices */
@supports (padding: max(0px)) {
    .nav-blur {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
        padding-top: max(1rem, env(safe-area-inset-top));
    }
    
    .container,
    .container-sm,
    .container-lg {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
    
    .mobile-menu {
        padding-left: max(1.5rem, env(safe-area-inset-left));
        padding-top: max(2rem, env(safe-area-inset-top));
    }
}