/**
 * Divyansh Educational Foundation - Utilities
 * Merged from admin-common.css + style.css utility sections
 * Single source for all utility classes (deduplicated)
 */

/* ============================================
   DISPLAY & FLEXBOX UTILITIES
   ============================================ */
.d-flex {
    display: flex;
}

.d-inline-flex {
    display: inline-flex;
}

.d-block {
    display: block;
}

.d-inline-block {
    display: inline-block;
}

.d-none {
    display: none;
}

.d-grid {
    display: grid;
}

.flex {
    display: flex;
}

.flex-col,
.flex-column {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-nowrap {
    flex-wrap: nowrap;
}

.flex-1 {
    flex: 1;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.items-center,
.align-items-center {
    align-items: center;
}

.items-start,
.align-items-start {
    align-items: flex-start;
}

.align-items-end {
    align-items: flex-end;
}

.align-items-stretch {
    align-items: stretch;
}

.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;
}

/* ============================================
   GAP UTILITIES
   ============================================ */
.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-5 {
    gap: 1.25rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-8 {
    gap: 2rem;
}

/* ============================================
   MARGIN UTILITIES
   ============================================ */
.m-0 {
    margin: 0;
}

.m-1 {
    margin: 0.25rem;
}

.m-2 {
    margin: 0.5rem;
}

.m-3 {
    margin: 0.75rem;
}

.m-4 {
    margin: 1rem;
}

.m-5 {
    margin: 1.25rem;
}

.m-6 {
    margin: 1.5rem;
}

.m-8 {
    margin: 2rem;
}

.m-auto {
    margin: auto;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 0.75rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-5 {
    margin-top: 1.25rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mt-12 {
    margin-top: 3rem;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-5 {
    margin-bottom: 1.25rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mb-12 {
    margin-bottom: 3rem;
}

.mb-16 {
    margin-bottom: 4rem;
}

.ml-0 {
    margin-left: 0;
}

.ml-1 {
    margin-left: 0.25rem;
}

.ml-2 {
    margin-left: 0.5rem;
}

.ml-3 {
    margin-left: 0.75rem;
}

.ml-4 {
    margin-left: 1rem;
}

.ml-auto {
    margin-left: auto;
}

.mr-0 {
    margin-right: 0;
}

.mr-1 {
    margin-right: 0.25rem;
}

.mr-2 {
    margin-right: 0.5rem;
}

.mr-3 {
    margin-right: 0.75rem;
}

.mr-4 {
    margin-right: 1rem;
}

.mr-auto {
    margin-right: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.my-0 {
    margin-top: 0;
    margin-bottom: 0;
}

.my-4 {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

/* ============================================
   PADDING UTILITIES
   ============================================ */
.p-0 {
    padding: 0;
}

.p-1 {
    padding: 0.25rem;
}

.p-2 {
    padding: 0.5rem;
}

.p-3 {
    padding: 0.75rem;
}

.p-4 {
    padding: 1rem;
}

.p-5 {
    padding: 1.25rem;
}

.p-6 {
    padding: 1.5rem;
}

.p-8 {
    padding: 2rem;
}

.p-12 {
    padding: 2.5rem;
}

.pt-0 {
    padding-top: 0;
}

.pt-4 {
    padding-top: 1rem;
}

.pt-6 {
    padding-top: 1.5rem;
}

.pt-8 {
    padding-top: 2rem;
}

.pb-0 {
    padding-bottom: 0;
}

.pb-4 {
    padding-bottom: 1rem;
}

.pb-6 {
    padding-bottom: 1.5rem;
}

.pl-4 {
    padding-left: 1rem;
}

.pl-10 {
    padding-left: 2.5rem;
}

.pl-12 {
    padding-left: 3rem;
}

.pr-4 {
    padding-right: 1rem;
}

.pr-12 {
    padding-right: 3rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-3 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.py-12 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

/* ============================================
   TEXT UTILITIES
   ============================================ */
.text-left {
    text-align: left;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-xs {
    font-size: 0.75rem;
    line-height: 1rem;
}

.text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.text-base {
    font-size: 1rem;
    line-height: 1.5rem;
}

.text-lg {
    font-size: 1.125rem;
    line-height: 1.75rem;
}

.text-xl {
    font-size: 1.25rem;
    line-height: 1.75rem;
}

.text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
}

.text-3xl {
    font-size: 1.875rem;
    line-height: 2.25rem;
}

.text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
}

.font-normal {
    font-weight: 400;
}

.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

.uppercase {
    text-transform: uppercase;
}

.lowercase {
    text-transform: lowercase;
}

.capitalize {
    text-transform: capitalize;
}

.tracking-wider {
    letter-spacing: 0.05em;
}

.tracking-widest {
    letter-spacing: 0.1em;
}

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

.leading-relaxed {
    line-height: 1.625;
}

.leading-tight {
    line-height: 1.25;
}

/* ============================================
   COLOR UTILITIES
   ============================================ */
.text-secondary {
    color: var(--secondary);
}

.text-primary {
    color: var(--primary);
}

.text-muted {
    color: var(--muted-foreground);
}

.text-white {
    color: white !important;
}

.text-white-opacity-90 {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* ============================================
   BACKGROUND UTILITIES
   ============================================ */
.bg-background {
    background-color: var(--background);
}

.bg-card {
    background-color: var(--card);
}

.bg-muted {
    background-color: var(--muted);
}

/* ============================================
   WIDTH & HEIGHT UTILITIES
   ============================================ */
.w-full {
    width: 100%;
}

.w-auto {
    width: auto;
}

.w-5 {
    width: 1.25rem;
}

.w-8 {
    width: 2rem;
}

.w-10 {
    width: 2.5rem;
}

.w-12 {
    width: 3rem;
}

.w-16 {
    width: 4rem;
}

.w-20 {
    width: 5rem;
}

.w-64 {
    width: 16rem;
}

.w-72 {
    width: 18rem;
}

.h-2 {
    height: 0.5rem;
}

.h-3 {
    height: 0.75rem;
}

.h-5 {
    height: 1.25rem;
}

.h-8 {
    height: 2rem;
}

.h-10 {
    height: 2.5rem;
}

.h-12 {
    height: 3rem;
}

.h-16 {
    height: 4rem;
}

.min-h-screen {
    min-height: 100vh;
}

.max-w-xs {
    max-width: 20rem;
}

.max-w-md {
    max-width: 28rem;
}

.max-w-lg {
    max-width: 32rem;
}

.max-w-xl {
    max-width: 36rem;
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-3xl {
    max-width: 48rem;
}

.max-w-4xl {
    max-width: 56rem;
}

.max-w-5xl {
    max-width: 64rem;
}

.max-w-6xl {
    max-width: 72rem;
}

.max-w-7xl {
    max-width: 80rem;
}

/* ============================================
   BORDER & RADIUS UTILITIES
   ============================================ */
.border {
    border: 1px solid var(--border);
}

.border-0 {
    border: 0;
}

.border-2 {
    border-width: 2px;
}

.border-t {
    border-top: 1px solid var(--border);
}

.border-b {
    border-bottom: 1px solid var(--border);
}

.border-l {
    border-left: 1px solid;
}

.border-r {
    border-right: 1px solid;
}

.rounded {
    border-radius: var(--radius, 0.25rem);
}

.rounded-lg {
    border-radius: var(--radius-lg, 0.5rem);
}

.rounded-xl {
    border-radius: var(--radius-xl, 0.75rem);
}

.rounded-2xl {
    border-radius: var(--radius-2xl, 1rem);
}

.rounded-3xl {
    border-radius: 1.5rem;
}

.rounded-full {
    border-radius: 9999px;
}

/* ============================================
   POSITIONING UTILITIES
   ============================================ */
.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.sticky {
    position: sticky;
}

.top-0 {
    top: 0;
}

.top-1 {
    top: 0.25rem;
}

.right-0 {
    right: 0;
}

.right-1 {
    right: 0.25rem;
}

.bottom-0 {
    bottom: 0;
}

.left-0 {
    left: 0;
}

.inset-y-0 {
    top: 0;
    bottom: 0;
}

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

.z-10 {
    z-index: 10;
}

.z-20 {
    z-index: 20;
}

.z-40 {
    z-index: 40;
}

.z-50 {
    z-index: 50;
}

/* ============================================
   OVERFLOW & VISIBILITY
   ============================================ */
.overflow-hidden {
    overflow: hidden;
}

.overflow-auto {
    overflow: auto;
}

.overflow-x-auto {
    overflow-x: auto;
}

.overflow-y-auto {
    overflow-y: auto;
}

.invisible {
    visibility: hidden;
}

.visible {
    visibility: visible;
}

.hidden {
    display: none;
}

/* ============================================
   CURSOR & POINTER EVENTS
   ============================================ */
.cursor-pointer {
    cursor: pointer;
}

.cursor-default {
    cursor: default;
}

.cursor-not-allowed {
    cursor: not-allowed;
}

.pointer-events-none {
    pointer-events: none;
}

/* ============================================
   TRANSITIONS
   ============================================ */
.transition-all {
    transition: all 0.2s ease;
}

.transition-colors {
    transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}

/* ============================================
   OPACITY
   ============================================ */
.opacity-0 {
    opacity: 0;
}

.opacity-50 {
    opacity: 0.5;
}

.opacity-90 {
    opacity: 0.9;
}

.opacity-100 {
    opacity: 1;
}

/* ============================================
   SHADOWS (Single definition — deduplicated)
   ============================================ */
.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.shadow {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.shadow-md {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.shadow-xl {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.shadow-2xl {
    box-shadow: var(--shadow-2xl);
}

.shadow-inner {
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

/* ============================================
   GRID UTILITIES
   ============================================ */
.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.col-span-2 {
    grid-column: span 2;
}

.col-span-3 {
    grid-column: span 3;
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .md\:col-span-2 {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   RESPONSIVE VISIBILITY
   ============================================ */
@media (min-width: 640px) {
    .sm\:block {
        display: block;
    }

    .sm\:flex {
        display: flex;
    }

    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .sm\:text-xl {
        font-size: 1.25rem;
    }
}

@media (min-width: 768px) {
    .md\:block {
        display: block;
    }

    .md\:flex {
        display: flex;
    }
}

@media (min-width: 1024px) {
    .lg\:block {
        display: block;
    }

    .lg\:flex {
        display: flex;
    }
}

/* ============================================
   GLASSMORPHISM & EFFECTS
   ============================================ */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hover-scale {
    transition: transform 0.2s ease;
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Form Focus Ring */
.focus-ring:focus-within {
    box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.2);
    border-color: var(--primary);
}

/* ============================================
   FONT FAMILIES
   ============================================ */
.font-sans {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.font-serif {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
}