/* File: assets/css/responsive.css */
/**
 * FinanceFlow - Responsive Styles
 * MunshiTools.online
 * 
 * Breakpoints:
 * - Mobile: 320px - 767px
 * - Tablet: 768px - 1023px
 * - Desktop: 1024px+
 */

/* ================================
   Mobile First Base (320px+)
   ================================ */

/* Container */
.container {
    width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
    margin-left: auto;
    margin-right: auto;
}

/* Mobile Navigation */
.mobile-header {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4rem;
    background-color: white;
    border-bottom: 1px solid var(--gray-200);
    z-index: var(--z-fixed);
}

.desktop-sidebar {
    display: none;
}

/* Main content with mobile header offset */
.main-content {
    padding-top: 5rem;
    min-height: 100vh;
}

/* Mobile grid */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

.grid {
    display: grid;
    gap: 1rem;
}

/* Mobile cards */
.summary-card {
    padding: 1rem;
}

.summary-card-value {
    font-size: 1.25rem;
}

/* Mobile forms */
.form-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Mobile buttons */
.btn-group-mobile {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-group-mobile .btn {
    width: 100%;
}

/* Mobile table - Convert to cards */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-mobile-cards {
    display: block;
}

.table-mobile-cards thead {
    display: none;
}

.table-mobile-cards tbody {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.table-mobile-cards tr {
    display: block;
    padding: 1rem;
    background-color: white;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
}

.table-mobile-cards td {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border: none;
}

.table-mobile-cards td::before {
    content: attr(data-label);
    font-weight: 500;
    color: var(--gray-500);
}

/* Mobile modal */
.modal-content {
    max-width: 100%;
    margin: 1rem;
    max-height: calc(100vh - 2rem);
}

/* Mobile FAB */
.fab {
    bottom: 1rem;
    right: 1rem;
}

/* Hide on mobile */
.hide-mobile {
    display: none !important;
}

/* ================================
   Small Mobile (320px - 375px)
   ================================ */
@media (max-width: 375px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    
    .summary-card {
        padding: 0.75rem;
    }
    
    .summary-card-value {
        font-size: 1.125rem;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
    }
}

/* ================================
   Large Mobile (376px - 639px)
   ================================ */
@media (min-width: 376px) and (max-width: 639px) {
    .grid-cols-2-mobile {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ================================
   Tablet (640px - 767px)
   ================================ */
@media (min-width: 640px) {
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    .grid {
        gap: 1.5rem;
    }
    
    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .form-row {
        flex-direction: row;
    }
    
    .btn-group-mobile {
        flex-direction: row;
    }
    
    .btn-group-mobile .btn {
        width: auto;
        flex: 1;
    }
    
    .modal-content {
        max-width: 28rem;
        margin: auto;
    }
}

/* ================================
   Medium Tablet (768px - 1023px)
   ================================ */
@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
    
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    /* Show desktop table */
    .table-mobile-cards {
        display: table;
        width: 100%;
    }
    
    .table-mobile-cards thead {
        display: table-header-group;
    }
    
    .table-mobile-cards tbody {
        display: table-row-group;
    }
    
    .table-mobile-cards tr {
        display: table-row;
        padding: 0;
        border: none;
        border-radius: 0;
    }
    
    .table-mobile-cards td {
        display: table-cell;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .table-mobile-cards td::before {
        display: none;
    }
    
    /* Show on tablet */
    .hide-mobile {
        display: block !important;
    }
    
    .show-mobile-only {
        display: none !important;
    }
}

/* ================================
   Desktop (1024px+)
   ================================ */
@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
    
    /* Hide mobile header */
    .mobile-header {
        display: none;
    }
    
    /* Show desktop sidebar */
    .desktop-sidebar {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 16rem;
        background-color: white;
        border-right: 1px solid var(--gray-200);
        z-index: var(--z-fixed);
    }
    
    /* Main content offset for sidebar */
    .main-content {
        padding-top: 0;
        padding-left: 16rem;
    }
    
    .main-content-inner {
        padding: 2rem;
    }
    
    /* Desktop grids */
    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    /* Larger cards on desktop */
    .summary-card {
        padding: 1.5rem;
    }
    
    .summary-card-value {
        font-size: 1.75rem;
    }
    
    /* Hide FAB on desktop (use header button) */
    .fab {
        display: none;
    }
    
    .fab-desktop {
        display: flex;
    }
    
    /* Desktop modal */
    .modal-content {
        max-width: 32rem;
    }
    
    .modal-lg .modal-content {
        max-width: 48rem;
    }
}

/* ================================
   Large Desktop (1280px+)
   ================================ */
@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
    
    .xl\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .xl\:grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    
    .main-content-inner {
        padding: 2.5rem;
    }
}

/* ================================
   Extra Large Desktop (1536px+)
   ================================ */
@media (min-width: 1536px) {
    .container {
        max-width: 1536px;
    }
    
    .desktop-sidebar {
        width: 18rem;
    }
    
    .main-content {
        padding-left: 18rem;
    }
}

/* ================================
   Landscape Mobile
   ================================ */
@media (max-width: 767px) and (orientation: landscape) {
    .mobile-header {
        height: 3rem;
    }
    
    .main-content {
        padding-top: 4rem;
    }
    
    .modal-content {
        max-height: 90vh;
    }
}

/* ================================
   Touch Device Optimizations
   ================================ */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn {
        min-height: 2.75rem;
        padding: 0.75rem 1.25rem;
    }
    
    .nav-link {
        min-height: 2.75rem;
        padding: 0.875rem 1rem;
    }
    
    input,
    select,
    textarea {
        min-height: 2.75rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Remove hover effects */
    .btn:hover {
        transform: none;
    }
    
    /* Add active states */
    .btn:active {
        transform: scale(0.98);
    }
    
    .nav-link:active {
        background-color: var(--gray-100);
    }
}

/* ================================
   High DPI / Retina Displays
   ================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .card {
        border-width: 0.5px;
    }
}

/* ================================
   Reduced Motion
   ================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ================================
   Dark Mode Support (Optional)
   ================================ */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode
    :root {
        --gray-50: #111827;
        --gray-100: #1f2937;
        --gray-200: #374151;
        --gray-300: #4b5563;
        --gray-400: #6b7280;
        --gray-500: #9ca3af;
        --gray-600: #d1d5db;
        --gray-700: #e5e7eb;
        --gray-800: #f3f4f6;
        --gray-900: #f9fafb;
    }
    
    body {
        background-color: var(--gray-50);
        color: var(--gray-900);
    }
    
    .card,
    .modal-content,
    .dropdown-menu {
        background-color: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    input,
    select,
    textarea {
        background-color: var(--gray-100);
        border-color: var(--gray-300);
        color: var(--gray-900);
    }
    */
}

/* ================================
   Safe Area Insets (Notched Devices)
   ================================ */
@supports (padding: max(0px)) {
    .mobile-header {
        padding-top: max(0px, env(safe-area-inset-top));
        height: calc(4rem + env(safe-area-inset-top));
    }
    
    .main-content {
        padding-top: calc(5rem + env(safe-area-inset-top));
    }
    
    .fab {
        bottom: max(1rem, env(safe-area-inset-bottom));
        right: max(1rem, env(safe-area-inset-right));
    }
    
    .modal-content {
        padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    }
}

/* ================================
   Container Queries (Modern Browsers)
   ================================ */
@supports (container-type: inline-size) {
    .card-container {
        container-type: inline-size;
    }
    
    @container (min-width: 400px) {
        .card-responsive-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
    }
}

/* ================================
   Accessibility Improvements
   ================================ */
/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: 1rem;
    background-color: var(--primary-600);
    color: white;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn {
        border-width: 2px;
    }
    
    .card {
        border-width: 2px;
        border-color: var(--gray-900);
    }
    
    input,
    select,
    textarea {
        border-width: 2px;
    }
}