/* ===============================
   Design System (Refined Contrast)
================================ */
:root {
    --bg: #f4f6fb;
    --card: #ffffff;              /* PURE WHITE */
    --text-main: #0f172a;          /* DARKER TEXT */
    --text-muted: #475569;
    --accent: #2563eb;
    --accent-soft: #eef2ff;
    --radius: 14px;
    --shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 10px 26px rgba(15, 23, 42, 0.12);
    --transition: all 0.25s ease;
}

/* ===============================
   Reset
================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text-main);
    padding: 32px 24px 60px;
}

/* ===============================
   Headings
================================ */
h1 {
    font-size: 2.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}

h2 {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 28px;
}

/* ===============================
   Grid Container
================================ */
.table-responsive {
    max-width: 1200px;
    margin: 0 auto;
}

.table-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
}

/* ===============================
   Chapter Card
================================ */
.table-row {
    background: var(--card);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.table-row:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* ===============================
   Chapter Number
================================ */
.cell-no {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 4px 10px;
    border-radius: 20px;
    width: fit-content;
    letter-spacing: 0.3px;
}

/* ===============================
   Chapter Name (CLEAR & READABLE)
================================ */
.cell-name {
    font-size: 0.98rem;
    font-weight: 600;              /* STRONGER */
    color: var(--text-main);       /* DARK */
    line-height: 1.5;
}

/* ===============================
   View Button
================================ */
.cell-view {
    margin-top: auto;
}

.cell-view a {
    display: inline-block;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    background: var(--accent-soft);
    color: var(--accent);
    transition: var(--transition);
}

.cell-view a:hover {
    background: var(--accent);
    color: #ffffff;
}

/* ===============================
   Mobile
================================ */
@media (max-width: 640px) {
    .table-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .cell-name {
        font-size: 0.95rem;
    }
}