/* =========================
   GLOBAL STYLES
========================= */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #ffffff;
    color: #2c2c2c;
    line-height: 1.7;
    margin: 0 !important;
    padding: 0 !important;
    
}

h1, h2, h3, h4, h5 {
    font-weight: 600;
    color: #0b2545;
}

p {
    text-align: justify;
}

/* =========================
   NAVBAR
========================= */
.navbar {
    background: linear-gradient(135deg, #0b2545, #133b5c, #1e5f74);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 22px;
    font-weight: 600;
    color: #fff !important;
}

.navbar-nav .nav-link {
    color: #e0e6ed !important;
    margin-left: 15px;
    transition: 0.3s;
}

.navbar-nav .nav-link:hover {
    color: #ffd166 !important;
}

/* =========================
   HERO
========================= */
.hero {
    background: linear-gradient(135deg, #f5f9ff, #e3ecf7, #d6e4f0);
    color: #0b2545;
    padding: 35px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 1.9rem;
    margin-bottom: 5px;
}

.hero p {
    font-size: 0.95rem;
    color: #4a5568;
}

/* =========================
   BUTTON
========================= */
.btn-custom {
    background-color: #d4af37;
    color: #000;
    border-radius: 20px;
    padding: 8px 20px;
    font-size: 13px;
    border: none;
    transition: 0.3s;
}

.btn-custom:hover {
    background-color: #b8962e;
}

/* =========================
   SECTION
========================= */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 24px;
    margin-bottom: 20px;
    border-left: 4px solid #d4af37;
    padding-left: 10px;
}

/* =========================
   CARD
========================= */
.card {
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 20px;
    transition: 0.3s;
}

.card:hover {
    border-color: #d4af37;
}

/* =========================
   TABLE
========================= */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.table td {
    border: 1px solid #e2e8f0;
    padding: 12px;
    font-size: 14px;
}

.table tr:hover td {
    background: #f1f5f9;
}

/* =========================
   CALL FOR PAPER
========================= */
.call-paper {
    background: #f1f5f9;
    padding: 40px;
    border-left: 5px solid #d4af37;
}

/* =========================
   CURRENT ISSUE
========================= */
.article-item {
    padding: 18px 10px;
    border-bottom: 1px solid #e2e8f0;
}

.article-item:hover {
    background: #f8fafc;
}

.article-title {
    font-size: 16px;
    font-weight: 600;
}

.article-author {
    font-size: 14px;
    color: #555;
}

.article-meta {
    font-size: 12px;
    color: #888;
}

/* =========================
   ARTICLE DETAILS
========================= */
.article-main-title {
    font-size: 22px;
    margin-bottom: 10px;
}

.article-text {
    font-size: 14px;
    color: #444;
}

.sidebar-box {
    background: #f8fafc;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* =========================
   FOOTER
========================= */
.footer {
    background: linear-gradient(135deg, #0b2545, #102a43, #243b53);
    color: #d9e2ec;
    padding: 40px 0 15px;
}

.footer-title {
    color: #fff;
    font-size: 15px;
    margin-bottom: 12px;
}

.footer p {
    font-size: 13px;
    color: #cbd2d9;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links a {
    color: #cbd2d9;
    text-decoration: none;
    font-size: 13px;
}

.footer-links a:hover {
    color: #ffd166;
    padding-left: 4px;
}

.footer hr {
    border-color: rgba(255,255,255,0.1);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 20px;
    }
}

/* =========================
   SUBMISSION FORM
========================= */

.submission-form {
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.submission-form label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 5px;
    color: #0b2545;
}

.submission-form .form-control {
    border-radius: 6px;
    font-size: 14px;
    padding: 10px;
    border: 1px solid #e2e8f0;
    transition: 0.3s;
}

.submission-form .form-control:focus {
    border-color: #d4af37;
    box-shadow: none;
}

/* =========================
   ARCHIVE
========================= */

/* FILE INPUT */
.submission-form input[type="file"] {
    padding: 8px;
}

/* BUTTON */
.submission-form .btn-custom {
    margin-top: 10px;
}

/* Smooth rotation for the arrow */
.transition-icon {
    transition: transform 0.3s ease;
}

/* Rotate arrow 180 degrees when the link is NOT collapsed */
[aria-expanded="true"] .bi-chevron-down {
    transform: rotate(180deg);
}

/* Optional: change color on hover */
.article-title a:hover {
    color: #007bff;
}