body {
            font-family: 'Segoe UI', Arial, sans-serif;
            margin: 0; padding: 0;
            background: #e6f0fa; /* Changed from gradient to soft blue */
            min-height: 100vh;
        }
        header {
            background: linear-gradient(90deg, #4f8cff 60%, #a3c9f9 100%);
            color: #e6f0fa; /* Light blue text */
            padding: 32px 0 22px 0;
            text-align: center;
            letter-spacing: 2px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        header h1 {
            margin: 0;
            font-size: 2.2em;
            font-weight: 700;
            text-shadow: 1px 2px 8px #4f8cff44;
        }
        .container {
            max-width: 1100px;
            margin: 40px auto 0 auto;
            background: #f4faff; /* Changed from white to very light blue */
            border-radius: 18px;
            box-shadow: 0 4px 24px rgba(79,140,255,0.10);
            padding: 40px 36px 30px 36px;
            position: relative;
            z-index: 1;
        }
        .branch-btn {
            display: block;
            width: 220px;
            margin: 0 auto 30px auto;
            padding: 17px 0;
            background: linear-gradient(90deg, #4f8cff 60%, #a3c9f9 100%);
            color: #e6f0fa;
            border: none;
            border-radius: 8px;
            font-size: 1.25em;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 2px 8px #4f8cff22;
            transition: background 0.2s, transform 0.2s;
        }
        .branch-btn:hover {
            background: linear-gradient(90deg, #a3c9f9 60%, #4f8cff 100%);
            transform: translateY(-2px) scale(1.03);
        }
        .semester-section {
            display: none;
            margin-top: 20px;
            animation: fadeIn 0.5s;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(30px);}
            to { opacity: 1; transform: translateY(0);}
        }
        .semester-title {
            font-size: 1.5em;
            margin-bottom: 18px;
            color: #4f8cff;
            font-weight: 700;
            letter-spacing: 1px;
            border-left: 5px solid #4f8cff;
            padding-left: 12px;
        }
        table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-bottom: 30px;
            background: #eaf4ff; /* Light blue background */
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 8px #4f8cff11;
        }
        th, td {
            border-bottom: 1px solid #cbe2fa;
            padding: 13px 10px;
            text-align: left;
        }
        th {
            background: #d6eaff;
            color: #4f8cff; /* Light blue text */
            font-weight: 600;
            font-size: 1.07em;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f0f7ff;
            transition: background 0.2s;
        }
        .actions a {
            margin-right: 10px;
            text-decoration: none;
            color: #4f8cff;
            font-weight: 500;
            border: 1px solid #4f8cff;
            border-radius: 5px;
            padding: 4px 10px;
            background: #eaf4ff;
            transition: background 0.2s, color 0.2s;
        }
        .actions a:hover {
            background: #4f8cff;
            color: #eaf4ff;
            text-decoration: none;
        }
        footer {
            text-align: center;
            padding: 20px 0 18px 0;
            background: linear-gradient(90deg, #4f8cff 60%, #a3c9f9 100%);
            color: #e6f0fa;
            margin-top: 40px;
            font-size: 1.08em;
            letter-spacing: 1px;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 -2px 8px #4f8cff11;
        }
        /* Decorative lines */
        .container:before, .container:after {
            content: "";
            display: block;
            position: absolute;
            width: 80px;
            height: 6px;
            border-radius: 6px;
            background: linear-gradient(90deg, #4f8cff 60%, #a3c9f9 100%);
            top: -18px;
        }
        .container:before { left: 30px; }
        .container:after { right: 30px; }
        /* Responsive */
        @media (max-width: 900px) {
            .container { padding: 16px 4px 16px 4px; }
            table, th, td { font-size: 0.97em; }
        }
        @media (max-width: 600px) {
            .container { padding: 6px 0 6px 0; }
            .branch-btn { width: 98%; font-size: 1em; }
            .semester-title { font-size: 1.1em; }
            table, th, td { font-size: 0.93em; }
            .container:before, .container:after { display: none; }
        }