/* ============================================
   NDDC JAAM College - Main Stylesheet
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-primary: #1e3a8a;
    --color-primary-dark: #1e3a8a;
    --color-primary-light: #3b82f6;
    --color-gold: #f59e0b;
    --color-gold-dark: #d97706;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    --container-max: 1200px;
    --header-height: 72px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    height: var(--header-height);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.nav-brand img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-700);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-gold {
    background: var(--color-gold);
    color: var(--color-white);
}

.btn-gold:hover {
    background: var(--color-gold-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Mobile Menu */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: var(--color-primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1e3a8a 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-white);
    max-width: 800px;
    padding: 4rem 1.5rem;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--color-gold);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero p {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.about-content p {
    color: var(--color-gray-600);
    margin-bottom: 1rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-text h4 {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin: 0;
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    background: var(--color-primary);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.9;
}

/* ============================================
   GALLERY PREVIEW
   ============================================ */
.gallery-preview {
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-view-all {
    text-align: center;
    margin-top: 2rem;
}

/* ============================================
   DOCUMENTS SECTION (Homepage)
   ============================================ */
.latest-documents {
    background: var(--color-gray-50);
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.document-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.document-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.document-card-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.document-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.document-icon svg {
    width: 24px;
    height: 24px;
}

.document-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.document-card-body {
    padding: 1.25rem;
}

.document-card-title {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1.0625rem;
}

.document-card-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-card-footer {
    display: flex;
    gap: 0.75rem;
    padding: 0 1.25rem 1.25rem;
}

.document-card-footer .btn {
    flex: 1;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-title {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 1.25rem;
    font-size: 1.0625rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-gold);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.footer-contact svg {
    width: 20px;
    height: 20px;
    color: var(--color-gold);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--color-gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: var(--color-white);
}

/* ============================================
   GALLERY PAGE
   ============================================ */
.page-hero {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0;
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.page-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
}

.gallery-page .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-page .gallery-item {
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.gallery-page .gallery-item img {
    transition: transform var(--transition-slow);
}

.gallery-page .gallery-item:hover img {
    transform: scale(1.08);
}

/* Gallery Preview Grid (Homepage) */
.gallery-preview .gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.gallery-preview .gallery-item {
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.gallery-preview .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-preview .gallery-item:hover img {
    transform: scale(1.05);
}

/* Gallery Manage Grid (Admin) */
.gallery-manage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-manage-item:hover {
    box-shadow: var(--shadow-lg);
}

/* Preview Items (Gallery Upload) */
.preview-item {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-item .remove-preview:hover {
    background: rgba(239, 68, 68, 0.9) !important;
}

/* File Upload Progress (Gallery Upload) */
.file-upload-progress .progress-bar {
    height: 6px;
    background: var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.file-upload-progress .progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    transition: width var(--transition-normal);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: background var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: var(--color-gold);
}

.lightbox-close {
    top: -70px;
    right: 0;
}

.lightbox-prev {
    left: -70px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: -70px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--color-gray-300);
    font-size: 0.9375rem;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-page {
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--color-gray-600);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail {
    display: flex;
    gap: 1rem;
}

.contact-detail-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail-icon svg {
    width: 22px;
    height: 22px;
}

.contact-detail-text h3 {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.contact-detail-text p {
    color: var(--color-gray-600);
    margin: 0;
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-top: 2rem;
}

.contact-form-container {
    background: var(--color-gray-50);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-form-container h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-gray-800);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--color-error);
}

.form-error {
    display: none;
    color: var(--color-error);
    font-size: 0.8125rem;
    margin-top: 0.375rem;
}

.form-error.visible {
    display: block;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

/* ============================================
   DOCUMENTS PAGE
   ============================================ */
.documents-page {
    background: var(--color-white);
}

.documents-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.documents-search {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.documents-search input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.documents-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.documents-search svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    width: 20px;
    height: 20px;
}

.documents-filter {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
}

.documents-grid-main {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.document-card-main {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.document-card-main::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.document-card-main:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.document-card-main:hover::before {
    opacity: 1;
}

.document-card-main .document-card-header {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    padding: 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-shrink: 0;
}

.document-card-main .document-category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-xl);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.document-card-main .document-category.Academic-Calendar { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.document-card-main .document-category.Admissions { background: linear-gradient(135deg, #10b981, #059669); }
.document-card-main .document-category.Examination { background: linear-gradient(135deg, #f59e0b, #d97706); }
.document-card-main .document-category.Notices { background: linear-gradient(135deg, #ef4444, #dc2626); }
.document-card-main .document-category.Results { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.document-card-main .document-category.Scholarships { background: linear-gradient(135deg, #ec4899, #db2777); }
.document-card-main .document-category.Other { background: linear-gradient(135deg, #6b7280, #4b5563); }

.document-card-main .document-meta {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.document-card-main .document-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.document-card-main .document-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-card-main .document-card-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-100);
    margin-top: auto;
}

.document-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.document-card-meta svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.document-card-main .document-card-footer {
    display: flex;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.document-card-main .document-card-footer .btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.8125rem;
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
}

.document-card-main .document-card-footer .btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: none;
}

.document-card-main .document-card-footer .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.document-card-main .document-card-footer .btn-outline {
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.document-card-main .document-card-footer .btn-outline:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .documents-grid-main {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1rem;
    }
    
    .document-card-main .document-card-body {
        padding: 1.25rem;
    }
    
    .document-card-main .document-card-footer {
        flex-direction: column;
    }
    
    .document-card-main .document-card-footer .btn {
        flex: none;
    }
}

@media (max-width: 480px) {
    .documents-grid-main {
        grid-template-columns: 1fr;
    }
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--color-gray-400);
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--color-gray-500);
    margin-bottom: 1.5rem;
}

/* ============================================
   ADMIN PAGES
   ============================================ */
.admin-body {
    background: var(--color-gray-50);
    min-height: 100vh;
}

.admin-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-primary);
}

.admin-brand img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
}

.admin-nav {
    display: flex;
    gap: 0.5rem;
}

.admin-nav-link {
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.admin-nav-link:hover,
.admin-nav-link.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user-email {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.admin-main {
    padding: 2rem 0;
}

/* Login Page */
.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1e40af 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 3rem;
    animation: fadeInUp 0.5s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--color-white);
}

.login-header .logo svg {
    width: 30px;
    height: 30px;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--color-gray-500);
}

.login-form .form-group {
    margin-bottom: 1.25rem;
}

.login-form .form-label {
    font-size: 0.875rem;
}

.login-form .form-input {
    padding: 0.875rem 1rem;
}

.login-form .btn {
    width: 100%;
    margin-top: 0.5rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.login-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--color-error);
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    display: none;
}

.login-error.visible {
    display: block;
}

/* Dashboard */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.stat-card-icon svg {
    width: 24px;
    height: 24px;
}

.stat-card-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-card-label {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.dashboard-quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.quick-link:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.quick-link-icon {
    width: 48px;
    height: 48px;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.quick-link-icon svg {
    width: 24px;
    height: 24px;
}

.quick-link-text h3 {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.quick-link-text p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin: 0;
}

/* Admin Forms */
.admin-form-container {
    max-width: 800px;
}

.admin-form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.admin-form-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-form-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.admin-form-body {
    padding: 1.5rem;
}

.admin-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.admin-form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding: 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* Upload Progress */
.upload-progress {
    display: none;
    margin-top: 1.5rem;
}

.upload-progress.visible {
    display: block;
}

.progress-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    width: 0%;
    transition: width var(--transition-normal);
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* File Drop Zone */
.file-drop-zone {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary);
    background-opacity: 0.05;
}

.file-drop-zone.drag-over {
    border-style: solid;
    background: rgba(30, 58, 138, 0.05);
}

/* File Drop Zone Wrapper - positions label and hidden input */
.file-drop-zone-wrapper {
    position: relative;
    display: block;
}

.file-drop-zone-wrapper .file-drop-zone {
    display: block;
    width: 100%;
}

/* Preview Grid (Gallery Upload) */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.admin-table th,
.admin-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.admin-table th {
    background: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table tbody tr {
    transition: background var(--transition-fast);
}

.admin-table tbody tr:hover {
    background: var(--color-gray-50);
}

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

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.btn-icon.delete:hover {
    background: #fef2f2;
    color: var(--color-error);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-transform: capitalize;
}

.badge-academic { background: #dbeafe; color: #1e40af; }
.badge-admissions { background: #dcfce7; color: #166534; }
.badge-examination { background: #fef3c7; color: #92400e; }
.badge-notices { background: #fce7f3; color: #9d174d; }
.badge-results { background: #e0e7ff; color: #3730a3; }
.badge-scholarships { background: #fef9c3; color: #854d0e; }
.badge-other { background: var(--color-gray-200); color: var(--color-gray-700); }

/* Messages Table */
.message-preview {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-gray-600);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-gray-500);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Skeleton Loading */
.skeleton-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    overflow: hidden;
}

.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-image {
    height: 180px;
    margin: -1.25rem -1.25rem 1rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.skeleton-text {
    height: 16px;
    margin-bottom: 0.75rem;
}

.skeleton-title {
    height: 24px;
    width: 70%;
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--color-primary);
    min-width: 300px;
    max-width: 450px;
    transform: translateX(120%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success { border-left-color: var(--color-success); }
.toast-error { border-left-color: var(--color-error); }
.toast-warning { border-left-color: var(--color-warning); }

.toast-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        display: block;
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-cta {
        flex-direction: column;
        width: 100%;
        padding-top: 1rem;
    }
    
    .nav-cta .btn {
        width: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-page .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: none;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .admin-header .container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .admin-nav {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .admin-user {
        justify-content: center;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .admin-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 1rem;
        max-height: calc(100vh - 2rem);
    }
    
    .lightbox-close {
        top: -60px;
        right: 10px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 60vh;
    }
    
    .hero-content {
        padding: 2rem 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid,
    .gallery-page .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }

    .dashboard-stats,
    .dashboard-quick-links {
        grid-template-columns: 1fr;
    }
    
    .admin-form-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .admin-form-actions {
        flex-direction: column-reverse;
    }
    
    .admin-form-actions .btn {
        width: 100%;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.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;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-gold { color: var(--color-gold); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }