/* Reset & Base Styles */
:root {
    --light-blue: #E9F8F9;
    --medium-blue: #5BA4CF;
    --dark-blue: #005792;
    --accent-blue: #00BBF0;
    --navy: #0F1035;
    --text-dark: #2D3250;
    --text-medium: #555;
    --text-light: #fff;
    --light-gray: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    background-color: white;
    color: var(--text-dark);
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header & Navigation */
header {
    background-color: #fff;
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(15, 16, 53, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0F1035;
}
.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--dark-blue);
}
.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--dark-blue);
}

.auth-btns {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1.2rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline {
    border: 1px solid #365486;
    color: #365486;
}

.btn-filled {
    background-color: #365486;
    color: #fff;
    border: 1px solid #365486;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(15, 16, 53, 0.2);
}

/* Page Header */
.page-header {
    padding-top: 8rem;
    padding-bottom: 2rem;
    background-color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.page-header p {
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-dark);
}

/* Document Section */
.document-section {
    padding: 2rem 5%;
    background-color: white;
}

/* DataTable Customization */
.dataTables_wrapper {
    margin-top: 2rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

table.dataTable thead th {
    background-color: var(--dark-blue);
    color: white;
    padding: 15px 10px;
    border: none;
    font-weight: 500;
}

table.dataTable tbody tr {
    background-color: white;
    transition: all 0.3s ease;
}

table.dataTable tbody tr:hover {
    background-color: rgba(127, 199, 217, 0.1);
}

table.dataTable tbody td {
    padding: 15px 10px;
    border-bottom: 1px solid #eee;
}

.download-btn {
    background-color: var(--medium-blue);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    width: 100%;
    font-weight: 500;
}

.download-btn:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.download-btn i {
    margin-right: 5px;
}

/* Search and Length Control styling */
.dataTables_filter input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 250px;
    margin-left: 10px;
    outline: none;
}

.dataTables_filter input:focus {
    border-color: var(--medium-blue);
    box-shadow: 0 0 5px rgba(127, 199, 217, 0.5);
}

.dataTables_length select {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 0 5px;
    outline: none;
}

.dataTables_length select:focus {
    border-color: var(--medium-blue);
}

/* Pagination styling */
.dataTables_paginate {
    margin-top: 20px !important;
    padding-top: 15px !important;
}

.dataTables_paginate .paginate_button {
    padding: 8px 12px !important;
    margin: 0 3px !important;
    border: 1px solid #ddd !important;
    border-radius: 5px !important;
    background-color: white !important;
    color: var(--text-dark) !important;
    cursor: pointer !important;
}

.dataTables_paginate .paginate_button:hover {
    background-color: #f5f5f5 !important;
    border-color: #ccc !important;
    color: var(--dark-blue) !important;
}

.dataTables_paginate .paginate_button.current {
    background-color: var(--dark-blue) !important;
    border-color: var(--dark-blue) !important;
    color: white !important;
}

/* Category Filter */
.category-filter {
    padding: 2rem 5%;
    background-color: white;
    border-bottom: 1px solid #eee;
}

.category-container {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 1rem;
}

.filter-button {
    padding: 0.6rem 1.5rem;
    background-color: #f5f5f5;
    border: 1px solid #eee;
    border-radius: 5px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.filter-button:hover, .filter-button.active {
    background-color: var(--dark-blue);
    color: white;
    border-color: var(--dark-blue);
}

/* Document Cards Alternative View */
.view-toggle {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    background-color: #f5f5f5;
    border: 1px solid #eee;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-btn.active {
    background-color: var(--dark-blue);
    color: white;
}

.document-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    display: none; /* Hidden by default */
}

.document-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.document-icon {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    font-size: 3rem;
    color: var(--dark-blue);
}

.document-details {
    padding: 1.5rem;
}

.document-title {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--text-dark);
}

.document-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 1rem;
}

.document-description {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* Footer */
footer {
    padding: 3rem 5%;
    background-color: var(--navy);
    color: var(--light-blue);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.footer-social a {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    background-color: rgba(220, 242, 241, 0.1);
}

.footer-social a:hover {
    transform: translateY(-3px);
    background-color: var(--medium-blue);
    color: var(--navy);
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.footer-contact p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copyright {
    text-align: center;
    padding: 1.5rem 0 0;
    margin-top: 2rem;
    border-top: 1px solid rgba(220, 242, 241, 0.1);
}

/* Helper Section */
.helper-section {
    padding: 3rem 5%;
    background-color: var(--light-blue);
    text-align: center;
}

.helper-content {
    max-width: 800px;
    margin: 0 auto;
}

.helper-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.helper-content p {
    margin-bottom: 2rem;
    color: #666;
}

/* Responsive Design */
@media (max-width: 992px) {
    .document-cards {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    .nav-links {
        margin-bottom: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .document-cards {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .dataTables_filter input {
        width: 180px;
    }
}

@media (max-width: 576px) {
    .document-cards {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 2rem;
    }
    
    .dataTables_length,
    .dataTables_filter {
        width: 100%;
        text-align: left;
        margin-bottom: 15px;
    }
    
    .dataTables_filter input {
        width: 100%;
        margin-left: 0;
        margin-top: 5px;
    }
}