/* ===== Page Styling ===== */
body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    margin: 20px;
    background: #f5f7fb;
}

/* ===== Study Material Card ===== */
.fullm {
    display: inline-block;
    width: 100%;
    max-width: 280px;
    padding: 12px 16px;
    margin-bottom: 20px;
    background: #2c54ab;
    color: white;
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

/* Button */
.fullm button {
    margin-top: 8px;
    padding: 6px 12px;
    border: none;
    background: #1E3A8A;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.fullm button:hover {
    background: #162F6D;
}

/* ===== Grid Layout ===== */
.table-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* ===== Chapter Card ===== */
.table-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    transition: 0.2s;
}

.table-row:hover {
    transform: translateY(-4px);
}

/* Chapter Number */
.cell-no {
    width: 48px;
    height: 48px;
    background: #1E3A8A;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Chapter Name */
.cell-name {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
}

/* View Button */
.cell-view a {
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid #1E3A8A;
    color: #1E3A8A;
    font-weight: 600;
}

.cell-view a:hover {
    background: #1E3A8A;
    color: white;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .table-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .table-grid {
        grid-template-columns: 1fr;
    }

    .table-row {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ===== Dropdown Styling (Chapter 14 Units) ===== */
.cell-view select {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid #1E3A8A;
    color: #1E3A8A;
    font-weight: 600;
    background: white;
    cursor: pointer;
    outline: none;
    transition: 0.3s ease;
}

/* Hover + Focus */
.cell-view select:hover,
.cell-view select:focus {
    background: #1E3A8A;
    color: white;
}

/* Dropdown arrow styling */
.cell-view select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%231E3A8A' height='20' viewBox='0 0 20 20' width='20' xmlns='http://www.w3.org/2000/svg'><path d='M5 7l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 18px;
    padding-right: 35px;
}

/* Option styling */
.cell-view select option {
    background: white;
    color: #1E3A8A;
    font-weight: 600;
}