/* =========================
   GLOBAL PAGE STYLE
========================= */

body {
    background: #f5f7fb;
    font-family: Arial, sans-serif;
}

/* =========================
   PAGE TITLE
========================= */

.page-title {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    margin: 30px 0;
    color: #0d6efd;
}

/* =========================
   GRID FIX (IMPORTANT)
========================= */

.row {
    margin-left: 0;
    margin-right: 0;
}

.row.g-4 {
    row-gap: 24px;
}

/* Make columns stretch properly */
.col-lg-4,
.col-md-6,
.col-sm-12 {
    display: flex;
}

/* =========================
   COURSE CARD
========================= */

.course-card {
    background: #ffffff;
    border-radius: 14px;
    padding: 20px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    border: 1px solid #eee;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);

    transition: all 0.25s ease;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

/* =========================
   ICON
========================= */

.course-icon {
    font-size: 28px;
    color: #0d6efd;
    margin-bottom: 10px;
}

/* =========================
   COURSE CODE
========================= */

.course-code {
    font-size: 12px;
    color: #888;
}

/* =========================
   COURSE NAME
========================= */

.course-name {
    font-size: 18px;
    font-weight: 600;
    margin: 10px 0;
    color: #222;
}

/* =========================
   DESCRIPTION
========================= */

.course-desc {
    font-size: 13px;
    color: #666;
    min-height: 40px;
}

/* =========================
   REGISTER BUTTON
========================= */

.btn-register {
    margin-top: 15px;
    width: 100%;
    border-radius: 8px;
    font-weight: 500;
}

/* =========================
   EMPTY STATE
========================= */

.empty-box {
    text-align: center;
    padding: 60px;
    font-size: 18px;
    color: #777;
}

/* =========================
   RESPONSIVE FIX
========================= */

@media (max-width: 768px) {
    .page-title {
        font-size: 24px;
    }
}