/* ============================================
   হিসাব (Hisab) - Main CSS Design System
   Version: 1.0.0
   Last Updated: 2026-05-04
   
   Contents:
   1. CSS Custom Properties (Design Tokens)
   2. Font Import
   3. CSS Reset / Normalize
   4. Base Typography
   5. Utility Classes
   6. Animations & Transitions
   7. Responsive Breakpoints
   ============================================ */

/* --------------------------------------------
   1. FONT IMPORT
   -------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@300;400;500;600;700&display=swap');

/* --------------------------------------------
   2. CSS CUSTOM PROPERTIES
   -------------------------------------------- */
:root {
    /* === Primary Colors === */
    --color-primary: #1a3de4;
    --color-primary-hover: #1633c4;
    --color-primary-light: #e8ecff;
    --color-primary-dark: #0f2596;
    
    /* === Accent Colors === */
    --color-success: #059669;
    --color-success-light: #d1fae5;
    --color-danger: #dc2626;
    --color-danger-light: #fef2f2;
    --color-warning: #f59e0b;
    --color-warning-light: #fffbeb;
    --color-info: #0284c7;
    --color-info-light: #f0f9ff;
    
    /* === Neutral Colors === */
    --color-bg: #f5f7fc;
    --color-surface: #ffffff;
    --color-border: #e8ecf8;
    --color-border-hover: #d0d6f0;
    --color-text-primary: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-divider: #f1f5f9;
    
    /* === Typography === */
    --font-family: 'Hind Siliguri', sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 2rem;      /* 32px */
    --font-size-4xl: 2.5rem;    /* 40px */
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
    
    /* === Spacing (0.25rem = 4px increment) === */
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    
    /* === Border Radius === */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    --radius-none: 0;
    
    /* === Shadows === */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 4px 6px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.06);
    
    /* === Transitions === */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* === Z-Index === */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
    
    /* === Container Widths === */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-wide: 1400px;
    
    /* === Navigation === */
    --nav-height: 68px;
}

/* --------------------------------------------
   3. DARK MODE VARIABLES
   -------------------------------------------- */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-border: #334155;
    --color-border-hover: #475569;
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-divider: #1e293b;
    
    --color-primary-light: #1e3a8a;
    --color-success-light: #064e3b;
    --color-danger-light: #450a0a;
    --color-warning-light: #451a03;
    --color-info-light: #0c4a6e;
    
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 4px 6px rgba(0, 0, 0, 0.4);
}

/* --------------------------------------------
   4. CSS RESET / NORMALIZE
   -------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

article, aside, details, figcaption, figure,
footer, header, main, nav, section {
    display: block;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

ul, ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: var(--space-6) 0;
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: #ffffff;
}

::-moz-selection {
    background-color: var(--color-primary);
    color: #ffffff;
}

/* Focus visible (Accessibility) */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* --------------------------------------------
   5. BASE TYPOGRAPHY
   -------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

small {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

strong, b {
    font-weight: var(--font-weight-semibold);
}

em, i {
    font-style: italic;
}

code {
    font-family: 'Courier New', monospace;
    background: var(--color-divider);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

blockquote {
    border-left: 4px solid var(--color-primary);
    padding: var(--space-4);
    margin: var(--space-4) 0;
    background: var(--color-primary-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* --------------------------------------------
   6. UTILITY CLASSES
   -------------------------------------------- */

/* Display */
.d-none       { display: none !important; }
.d-block      { display: block !important; }
.d-inline     { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex       { display: flex !important; }
.d-grid       { display: grid !important; }

/* Flex Utilities */
.flex-row         { flex-direction: row; }
.flex-column      { flex-direction: column; }
.flex-wrap        { flex-wrap: wrap; }
.flex-nowrap      { flex-wrap: nowrap; }
.justify-start    { justify-content: flex-start; }
.justify-center   { justify-content: center; }
.justify-end      { justify-content: flex-end; }
.justify-between  { justify-content: space-between; }
.justify-around   { justify-content: space-around; }
.align-start      { align-items: flex-start; }
.align-center     { align-items: center; }
.align-end        { align-items: flex-end; }
.align-stretch    { align-items: stretch; }
.flex-1           { flex: 1; }
.gap-0            { gap: var(--space-0); }
.gap-1            { gap: var(--space-1); }
.gap-2            { gap: var(--space-2); }
.gap-3            { gap: var(--space-3); }
.gap-4            { gap: var(--space-4); }
.gap-6            { gap: var(--space-6); }
.gap-8            { gap: var(--space-8); }

/* Grid */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Text Alignment */
.text-left    { text-align: left !important; }
.text-center  { text-align: center !important; }
.text-right   { text-align: right !important; }

/* Text Colors */
.text-primary    { color: var(--color-primary) !important; }
.text-success    { color: var(--color-success) !important; }
.text-danger     { color: var(--color-danger) !important; }
.text-warning    { color: var(--color-warning) !important; }
.text-muted      { color: var(--color-text-muted) !important; }
.text-secondary  { color: var(--color-text-secondary) !important; }

/* Font Weights */
.font-light    { font-weight: var(--font-weight-light) !important; }
.font-normal   { font-weight: var(--font-weight-normal) !important; }
.font-medium   { font-weight: var(--font-weight-medium) !important; }
.font-semibold { font-weight: var(--font-weight-semibold) !important; }
.font-bold     { font-weight: var(--font-weight-bold) !important; }

/* Font Sizes */
.text-xs  { font-size: var(--font-size-xs) !important; }
.text-sm  { font-size: var(--font-size-sm) !important; }
.text-base { font-size: var(--font-size-base) !important; }
.text-lg  { font-size: var(--font-size-lg) !important; }
.text-xl  { font-size: var(--font-size-xl) !important; }
.text-2xl { font-size: var(--font-size-2xl) !important; }
.text-3xl { font-size: var(--font-size-3xl) !important; }
.text-4xl { font-size: var(--font-size-4xl) !important; }

/* Spacing Utilities */
.m-0  { margin: var(--space-0) !important; }
.m-1  { margin: var(--space-1) !important; }
.m-2  { margin: var(--space-2) !important; }
.m-3  { margin: var(--space-3) !important; }
.m-4  { margin: var(--space-4) !important; }
.m-6  { margin: var(--space-6) !important; }
.m-8  { margin: var(--space-8) !important; }

.mt-0  { margin-top: var(--space-0) !important; }
.mt-1  { margin-top: var(--space-1) !important; }
.mt-2  { margin-top: var(--space-2) !important; }
.mt-3  { margin-top: var(--space-3) !important; }
.mt-4  { margin-top: var(--space-4) !important; }
.mt-6  { margin-top: var(--space-6) !important; }
.mt-8  { margin-top: var(--space-8) !important; }
.mt-10 { margin-top: var(--space-10) !important; }

.mb-0  { margin-bottom: var(--space-0) !important; }
.mb-1  { margin-bottom: var(--space-1) !important; }
.mb-2  { margin-bottom: var(--space-2) !important; }
.mb-3  { margin-bottom: var(--space-3) !important; }
.mb-4  { margin-bottom: var(--space-4) !important; }
.mb-6  { margin-bottom: var(--space-6) !important; }
.mb-8  { margin-bottom: var(--space-8) !important; }
.mb-10 { margin-bottom: var(--space-10) !important; }

.ml-auto { margin-left: auto !important; }
.mr-auto { margin-right: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0  { padding: var(--space-0) !important; }
.p-1  { padding: var(--space-1) !important; }
.p-2  { padding: var(--space-2) !important; }
.p-3  { padding: var(--space-3) !important; }
.p-4  { padding: var(--space-4) !important; }
.p-6  { padding: var(--space-6) !important; }
.p-8  { padding: var(--space-8) !important; }

.py-2 { padding-top: var(--space-2) !important; padding-bottom: var(--space-2) !important; }
.py-4 { padding-top: var(--space-4) !important; padding-bottom: var(--space-4) !important; }
.py-6 { padding-top: var(--space-6) !important; padding-bottom: var(--space-6) !important; }
.py-8 { padding-top: var(--space-8) !important; padding-bottom: var(--space-8) !important; }

.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }
.px-6 { padding-left: var(--space-6) !important; padding-right: var(--space-6) !important; }
.px-8 { padding-left: var(--space-8) !important; padding-right: var(--space-8) !important; }

/* Width & Height */
.w-full    { width: 100% !important; }
.w-auto    { width: auto !important; }
.h-full    { height: 100% !important; }
.min-h-screen { min-height: 100vh !important; }

/* Border Radius */
.rounded-sm  { border-radius: var(--radius-sm) !important; }
.rounded-md  { border-radius: var(--radius-md) !important; }
.rounded-lg  { border-radius: var(--radius-lg) !important; }
.rounded-xl  { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Shadows */
.shadow-none  { box-shadow: none !important; }
.shadow-sm    { box-shadow: var(--shadow-sm) !important; }
.shadow-md    { box-shadow: var(--shadow-md) !important; }
.shadow-lg    { box-shadow: var(--shadow-lg) !important; }
.shadow-card  { box-shadow: var(--shadow-card) !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto   { overflow: auto !important; }

/* Visibility */
.visible    { visibility: visible !important; }
.invisible  { visibility: hidden !important; }

/* Position */
.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed    { position: fixed !important; }
.sticky   { position: sticky !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* Opacity */
.opacity-0  { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* --------------------------------------------
   7. CONTAINER
   -------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.container-wide {
    max-width: var(--container-wide);
}

/* --------------------------------------------
   8. BASE COMPONENT STYLES
   -------------------------------------------- */

/* Card */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
}

.card-clickable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: var(--color-divider);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Badge / Tag */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
    line-height: 1.4;
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

/* Button Base */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 20px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-success {
    background: var(--color-success);
    color: #ffffff;
    border-color: var(--color-success);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary);
    color: #ffffff;
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-sm);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 8px;
    border-radius: var(--radius-full);
}

/* Input Base */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:disabled {
    background: var(--color-divider);
    cursor: not-allowed;
}

.form-select {
    width: 100%;
    padding: 10px 14px;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: var(--color-divider);
    padding: 12px 16px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-align: left;
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.table td {
    padding: 12px 16px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-divider);
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--color-divider);
}

/* Divider */
.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-6) 0;
    border: none;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* Tooltip */
.tooltip {
    position: relative;
    cursor: help;
    border-bottom: 1px dotted var(--color-text-muted);
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--color-divider) 25%, var(--color-border) 50%, var(--color-divider) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
    min-height: 16px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --------------------------------------------
   9. ANIMATIONS
   -------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.animate-fade-in {
    animation: fadeIn var(--transition-normal) ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp var(--transition-slow) ease forwards;
}

.animate-slide-down {
    animation: slideDown var(--transition-normal) ease forwards;
}

/* --------------------------------------------
   10. RESPONSIVE BREAKPOINTS
   -------------------------------------------- */

/* ≥ 576px — Small devices (landscape phones) */
@media (min-width: 576px) {
    :root {
        --container-padding: var(--space-6);
    }
    
    .container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

/* ≥ 768px — Medium devices (tablets) */
@media (min-width: 768px) {
    :root {
        --container-padding: var(--space-8);
    }
    
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
    
    .md-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .md-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .md-d-flex { display: flex !important; }
    .md-d-none { display: none !important; }
    .md-d-block { display: block !important; }
}

/* ≥ 1024px — Large devices (desktops) */
@media (min-width: 1024px) {
    .container {
        padding-left: var(--space-10);
        padding-right: var(--space-10);
    }
    
    .lg-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .lg-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .lg-grid-4 { grid-template-columns: repeat(4, 1fr); }
    .lg-d-flex { display: flex !important; }
    .lg-d-none { display: none !important; }
}

/* ≥ 1200px — Extra large devices */
@media (min-width: 1200px) {
    .xl-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --------------------------------------------
   11. PRINT STYLES
   -------------------------------------------- */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: #ffffff;
        color: #000000;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #cccccc;
    }
    
    a {
        text-decoration: underline;
        color: #000000;
    }
}

/* --------------------------------------------
   12. ACCESSIBILITY HELPERS
   -------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    z-index: var(--z-toast);
    font-weight: var(--font-weight-medium);
    transition: top var(--transition-fast);
}

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

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

/* --------------------------------------------
   MAIN CSS LOADED SUCCESSFULLY
   -------------------------------------------- */