body { 
            font-family: 'Roboto', 'Anek Telugu', sans-serif; 
            background: #f4f4f9; margin: 0; padding: 20px; color: #333; 
        }
        .container { max-width: 800px; margin: 0 auto; }

        .page-header { 
            background: #d32f2f; color: #fff; padding: 30px 20px; 
            text-align: center; border-radius: 10px; box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            margin-bottom: 25px;
        }
        .page-title { font-size: 1.8em; font-weight: bold; margin: 0 0 10px 0; }
        .page-desc { font-size: 0.95em; opacity: 0.9; line-height: 1.5; }

        /* Restored Original Grid Design */
        .months-grid {
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); 
            gap: 20px; 
            margin-bottom: 30px;
            /* Important for JS positioning */
            position: relative;
        }
        
        .month-card {
            background: #fff; border: 1px solid #eee; border-radius: 8px;
            padding: 25px; text-align: center; text-decoration: none;
            color: #333; font-weight: bold; font-size: 1.2em;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05); transition: transform 0.2s, box-shadow 0.2s;
            font-family: 'Anek Telugu', sans-serif;
            cursor: pointer;
            display: block; /* Ensures proper block behavior */
        }
        
        .month-card:hover, .month-card.active {
            transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-color: #d32f2f; color: #d32f2f;
        }

        /* Styles for the expandable PDF Viewer Row */
        .pdf-preview-panel {
            grid-column: 1 / -1; /* Spans full width of the grid */
            background: #fff;
            border: 2px solid #d32f2f;
            border-radius: 8px;
            padding: 20px;
            margin-top: 10px;
            margin-bottom: 20px;
            display: none; /* Hidden by default */
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            text-align: center;
            animation: fadeIn 0.5s;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Layout for Left Image + Right Details */
        .preview-layout {
            display: flex;
            align-items: flex-start;
            gap: 30px;
            text-align: left;
            padding: 10px;
        }

        .preview-left {
            flex: 0 0 250px; /* Fixed width for image container */
        }

        .pdf-thumb {
            width: 100%;
            height: auto;
            border: 1px solid #ddd;
            border-radius: 5px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            display: block;
        }

        .preview-right {
            flex: 1;
            padding-top: 10px;
        }

        .pdf-title {
            color: #d32f2f;
            margin-top: 0;
            font-size: 1.4em;
            font-weight: bold;
        }

        .update-text {
            color: #555;
            margin-bottom: 25px;
            line-height: 1.6;
            font-size: 1em;
        }
        
        /* Div styled as button to hide link URL */
        .download-btn {
            display: inline-block;
            background-color: #d32f2f;
            color: white;
            padding: 12px 25px;
            border-radius: 5px;
            font-weight: bold;
            font-family: 'Roboto', sans-serif;
            transition: background 0.3s;
            cursor: pointer;
            user-select: none;
        }
        .download-btn:hover { background-color: #b71c1c; }
        
        .close-preview {
            float: right;
            cursor: pointer;
            color: #999;
            font-size: 1.5em;
            line-height: 0.5;
            margin-bottom: 10px;
        }
        .close-preview:hover { color: #333; }

        .copyright-note {
            padding: 15px; background-color: #90e0ef;
            border-top: 1px solid #7dc4d1;
            font-size: 0.95em; text-align: center; color: #333;
            font-family: 'Poppins', 'Anek Telugu', sans-serif; font-weight: 500;
            margin-top: 40px; border-radius: 5px; line-height: 1.6;
        }

        /* FAQ Section Styles (Rich Accordion) */
        .faq-section {
            background: #fff;
            padding: 25px;
            margin-top: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }
        .faq-title {
            font-size: 1.5em;
            color: #d32f2f;
            margin-top: 0;
            margin-bottom: 25px;
            border-bottom: 2px solid #f5f5f5;
            padding-bottom: 15px;
        }
        
        /* Updated Accordion Button Style */
        .accordion {
            background-color: #f9f9f9;
            color: #333;
            cursor: pointer;
            padding: 18px 20px;
            width: 100%;
            border: 1px solid #eee;
            text-align: left;
            outline: none;
            font-size: 1.1em;
            font-weight: 500;
            transition: all 0.3s ease;
            border-radius: 8px;
            margin-bottom: 12px; /* Gap between items */
            font-family: 'Roboto', 'Anek Telugu', sans-serif;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .accordion:hover {
            background-color: #fff5f5;
            border-color: #ef9a9a;
            color: #d32f2f;
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.1);
        }
        
        .accordion.active {
            background-color: #d32f2f;
            color: white;
            border-color: #d32f2f;
            border-bottom-left-radius: 0;
            border-bottom-right-radius: 0;
            margin-bottom: 0; /* Attach to panel */
            box-shadow: 0 4px 10px rgba(211, 47, 47, 0.2);
        }

        .accordion:after {
            content: '\002B'; /* Plus symbol */
            font-size: 1.2em;
            font-weight: bold;
            color: #777;
            transition: transform 0.3s;
        }

        .accordion.active:after {
            content: "\2212"; /* Minus symbol */
            color: white;
            transform: rotate(180deg);
        }

        /* Updated Panel Style */
        .panel {
            padding: 0 20px;
            background-color: #fff;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease, opacity 0.3s ease;
            border: 1px solid #e0e0e0;
            border-top: none;
            border-bottom-left-radius: 8px;
            border-bottom-right-radius: 8px;
            margin-bottom: 12px; /* Restore gap for next item */
            opacity: 0;
        }

        /* This class is added by JS to handle padding/border visibility */
        .panel.open {
            padding: 20px;
            opacity: 1;
            border-color: #d32f2f; /* Optional: Highlight active panel border */
        }
        
        .faq-answer {
            color: #555;
            line-height: 1.7;
            margin: 0;
            font-size: 1em;
        }
        
        .faq-download-link {
            color: #d32f2f;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            border-bottom: 1px dashed #d32f2f;
        }
        .faq-download-link:hover {
            border-bottom-style: solid;
        }

        @media (max-width: 600px) {
            .page-title { font-size: 1.4em; }
            .months-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
            
            /* Stack flex layout on mobile */
            .preview-layout {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .preview-left { flex: 0 0 auto; margin-bottom: 20px; }
            .preview-right { padding-top: 0; }
        }/* CSS Document */