/* ============================================
   Utility Classes
   ============================================ */

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

/* Flexbox */
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }
.align-center { align-items: center; }
.align-stretch { align-items: stretch; }
.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }

/* 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); }
.gap-sm { gap: 10px; }
.gap-md { gap: 20px; }
.gap-lg { gap: 30px; }

/* Spacing */
.m-0 { margin: 0; }
.m-1 { margin: 5px; }
.m-2 { margin: 10px; }
.m-3 { margin: 15px; }
.m-4 { margin: 20px; }
.m-5 { margin: 30px; }
.m-auto { margin: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mt-5 { margin-top: 30px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }
.mb-5 { margin-bottom: 30px; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 5px; }
.ml-2 { margin-left: 10px; }
.ml-3 { margin-left: 15px; }
.ml-4 { margin-left: 20px; }
.ml-5 { margin-left: 30px; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 5px; }
.mr-2 { margin-right: 10px; }
.mr-3 { margin-right: 15px; }
.mr-4 { margin-right: 20px; }
.mr-5 { margin-right: 30px; }

.p-0 { padding: 0; }
.p-1 { padding: 5px; }
.p-2 { padding: 10px; }
.p-3 { padding: 15px; }
.p-4 { padding: 20px; }
.p-5 { padding: 30px; }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 5px; }
.pt-2 { padding-top: 10px; }
.pt-3 { padding-top: 15px; }
.pt-4 { padding-top: 20px; }
.pt-5 { padding-top: 30px; }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 5px; }
.pb-2 { padding-bottom: 10px; }
.pb-3 { padding-bottom: 15px; }
.pb-4 { padding-bottom: 20px; }
.pb-5 { padding-bottom: 30px; }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: 5px; }
.pl-2 { padding-left: 10px; }
.pl-3 { padding-left: 15px; }
.pl-4 { padding-left: 20px; }
.pl-5 { padding-left: 30px; }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: 5px; }
.pr-2 { padding-right: 10px; }
.pr-3 { padding-right: 15px; }
.pr-4 { padding-right: 20px; }
.pr-5 { padding-right: 30px; }

/* Text */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--accent-color); }
.text-info { color: var(--info-color); }
.text-light { color: var(--light-color); }
.text-dark { color: var(--dark-color); }
.text-muted { color: var(--gray-dark); }
.text-white { color: var(--white); }

.text-bold { font-weight: 700; }
.text-semibold { font-weight: 600; }
.text-medium { font-weight: 500; }
.text-normal { font-weight: 400; }
.text-light-weight { font-weight: 300; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-xxl { font-size: var(--font-size-xxl); }

.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-decoration-none { text-decoration: none; }
.text-underline { text-decoration: underline; }

.line-height-1 { line-height: 1; }
.line-height-1-5 { line-height: 1.5; }
.line-height-2 { line-height: 2; }

/* Background */
.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-success { background-color: var(--success-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-danger { background-color: var(--accent-color); }
.bg-info { background-color: var(--info-color); }
.bg-light { background-color: var(--light-color); }
.bg-dark { background-color: var(--dark-color); }
.bg-white { background-color: var(--white); }
.bg-transparent { background-color: transparent; }

/* Borders */
.border { border: 1px solid var(--border-color); }
.border-0 { border: 0; }
.border-top { border-top: 1px solid var(--border-color); }
.border-bottom { border-bottom: 1px solid var(--border-color); }
.border-left { border-left: 1px solid var(--border-color); }
.border-right { border-right: 1px solid var(--border-color); }

.border-primary { border-color: var(--primary-color); }
.border-secondary { border-color: var(--secondary-color); }
.border-success { border-color: var(--success-color); }
.border-warning { border-color: var(--warning-color); }
.border-danger { border-color: var(--accent-color); }
.border-info { border-color: var(--info-color); }
.border-light { border-color: var(--light-color); }
.border-dark { border-color: var(--dark-color); }
.border-white { border-color: var(--white); }

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-circle { border-radius: 50%; }
.rounded-pill { border-radius: 50rem; }

/* Shadow */
.shadow-sm { box-shadow: var(--box-shadow-sm); }
.shadow { box-shadow: var(--box-shadow); }
.shadow-lg { box-shadow: var(--box-shadow-lg); }
.shadow-none { box-shadow: none; }

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

.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }

/* Width & Height */
.w-25 { width: 25%; }
.w-50 { width: 50%; }
.w-75 { width: 75%; }
.w-100 { width: 100%; }
.w-auto { width: auto; }

.h-25 { height: 25%; }
.h-50 { height: 50%; }
.h-75 { height: 75%; }
.h-100 { height: 100%; }
.h-auto { height: auto; }

.min-vw-100 { min-width: 100vw; }
.min-vh-100 { min-height: 100vh; }
.vw-100 { width: 100vw; }
.vh-100 { height: 100vh; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }

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

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

/* User Select */
.user-select-none { user-select: none; }
.user-select-auto { user-select: auto; }
.user-select-all { user-select: all; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Z-index */
.z-0 { z-index: 0; }
.z-1 { z-index: 1; }
.z-2 { z-index: 2; }
.z-3 { z-index: 3; }
.z-4 { z-index: 4; }
.z-5 { z-index: 5; }
.z-999 { z-index: 999; }
.z-9999 { z-index: 9999; }
.z-max { z-index: 99999; }

/* Object Fit */
.object-fit-contain { object-fit: contain; }
.object-fit-cover { object-fit: cover; }
.object-fit-fill { object-fit: fill; }
.object-fit-none { object-fit: none; }
.object-fit-scale-down { object-fit: scale-down; }

/* Vertical Align */
.align-baseline { vertical-align: baseline; }
.align-top { vertical-align: top; }
.align-middle { vertical-align: middle; }
.align-bottom { vertical-align: bottom; }
.align-text-top { vertical-align: text-top; }
.align-text-bottom { vertical-align: text-bottom; }

/* List */
.list-unstyled {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

.list-inline {
    list-style: none;
    padding-left: 0;
}

.list-inline-item {
    display: inline-block;
    margin-right: 1rem;
}

.list-inline-item:last-child {
    margin-right: 0;
}

/* Clearfix */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* Screen Reader Only */
.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;
}

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Print */
@media print {
    .no-print {
        display: none !important;
    }
    
    .print-only {
        display: block !important;
    }
    
    .page-break {
        page-break-before: always;
    }
    
    .avoid-break {
        page-break-inside: avoid;
    }
}