body {
            /* فونت حذف شد و از فونت پیش‌فرض مرورگر استفاده می‌شود */
            background-color: #f8fafc; /* Light Gray */
            color: #1e293b; /* Slate 800 */
        }
        .gradient-text {
            background: linear-gradient(90deg, #ca8a04, #a16207, #854d0e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-fill-color: transparent;
        }
        .accordion-item, .faq-item {
            position: relative; /* For pseudo-element */
            background-color: #ffffff;
            border: 1px solid #e2e8f0; /* Default Slate 200 */
            border-radius: 1.5rem; /* Increased border-radius */
            margin-bottom: 1rem;
            overflow: hidden; /* Crucial for clipping the pseudo-element */
            transition: all 0.3s ease-in-out;
            box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
        }
        .accordion-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 5px;
        }
        /* Custom Border Colors using pseudo-elements */
        #wellington-session::before { background: linear-gradient(to bottom, #0ea5e9, rgba(14, 165, 233, 0)); } /* Sky Blue for Wellington */
        #sydney-session::before { background: linear-gradient(to bottom, #00843D, rgba(0, 132, 61, 0)); }
        #tokyo-session::before { background: linear-gradient(to bottom, #BC002D, rgba(188, 0, 45, 0)); }
        #london-session::before { background: linear-gradient(to bottom, #6B46C1, rgba(107, 70, 193, 0)); } /* New Purple Color */
        #newyork-session::before { background: linear-gradient(to bottom, #3C3B6E, rgba(60, 59, 110, 0)); }

        .accordion-header, .faq-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 1.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            text-align: right;
            cursor: pointer;
            background-color: #ffffff;
            transition: background-color 0.3s ease;
        }
        .accordion-header:hover, .faq-header:hover {
            background-color: #f1f5f9; /* Slate 100 */
        }
        .accordion-content, .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-in-out;
            background-color: #ffffff;
        }
        .accordion-content-inner, .faq-content-inner {
            padding: 0 1.5rem 1.5rem 1.5rem;
        }
        .accordion-icon, .faq-icon {
            transition: transform 0.4s ease;
        }
        .accordion-item.active .accordion-icon, .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .session-time {
            background-color: #fefce8; /* Yellow 50 */
            border: 1px solid #fde047; /* Yellow 300 */
            padding: 1rem;
            border-radius: 1rem; /* Rounded corners */
            text-align: center;
            margin-top: 1rem;
        }
        .key-point-icon {
            color: #a16207; /* Yellow 700 */
        }
        
        .golden-time-card {
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
            border: 2px solid #fBBF24;
            border-radius: 1.5rem; /* Increased border-radius */
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: 0 10px 25px -5px rgba(251, 191, 36, 0.2), 0 8px 10px -6px rgba(251, 191, 36, 0.2);
        }
        .reason-card {
            background-color: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 1.5rem; /* Increased border-radius */
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        .reason-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.07), 0 4px 6px -4px rgb(0 0 0 / 0.07);
        }
        /* Timeline Chart Styles */
        .timeline-container {
            position: relative;
            height: 245px;
            background-color: #f1f5f9;
            border-radius: 1rem;
            padding: 1rem;
            overflow: visible; /* Changed to visible to allow tooltips */
            direction: ltr; /* Force LTR for correct chart rendering */
            margin-top: 2rem; /* Add margin for top tooltips */
        }
        .timeline-bar {
            position: absolute;
            height: 35px;
            border-radius: 0.5rem;
            opacity: 0.9; /* Slightly increased opacity */
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 500;
            font-size: 0.8rem;
            white-space: nowrap;
            cursor: pointer;
            transition: all 0.2s ease;
            z-index: 10;
        }
        .timeline-bar:hover {
            opacity: 1;
            transform: scale(1.02); /* Reduced scale slightly to prevent layout shift issues */
            z-index: 20; /* Higher z-index on hover */
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        /* Tooltip Styles */
        .bar-tooltip {
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            margin-bottom: 8px;
            background-color: #1e293b; /* Slate 800 */
            color: white;
            padding: 4px 8px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.2s ease;
            pointer-events: none;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }
        .bar-tooltip::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -4px;
            border-width: 4px;
            border-style: solid;
            border-color: #1e293b transparent transparent transparent;
        }
        .timeline-bar:hover .bar-tooltip {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(-2px);
        }

        /* New styles for Overlap Highlights Tooltips */
        .highlight-overlap {
            position: absolute;
            top: 0;
            bottom: 0;
            background-color: rgba(251, 191, 36, 0.15);
            border: 1px dashed rgba(251, 191, 36, 0.5);
            border-radius: 0.5rem;
            z-index: 1;
            cursor: help; /* Cursor to indicate info */
            transition: background-color 0.2s;
        }
        .highlight-overlap:hover {
            background-color: rgba(251, 191, 36, 0.25);
            z-index: 25; 
        }
        .highlight-overlap .bar-tooltip {
            background-color: #854d0e; /* Dark Yellow/Brown for distinction */
            top: -35px; /* Position slightly higher */
            bottom: auto;
        }
        .highlight-overlap .bar-tooltip::after {
            border-color: #854d0e transparent transparent transparent;
        }
        .highlight-overlap:hover .bar-tooltip {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .timeline-grid {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: flex;
            justify-content: space-between;
            z-index: 0;
        }
        .timeline-grid-line {
            width: 1px;
            background-color: rgba(156, 163, 175, 0.3);
        }
        .timeline-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.75rem;
            color: #64748b;
            padding: 0 0.5rem;
            direction: ltr; /* Match timeline direction */
        }
        .highlight-overlap {
            position: absolute;
            top: 0;
            bottom: 0;
            background-color: rgba(251, 191, 36, 0.15);
            border: 1px dashed rgba(251, 191, 36, 0.5);
            border-radius: 0.5rem;
            z-index: 1;
        }
        .accordion-highlight {
            box-shadow: 0 0 20px rgba(161, 98, 7, 0.4);
            border-color: #ca8a04;
        }
        /* Table Styles for Modal */
        .overlap-table th, .overlap-table td {
            text-align: center;
            padding: 0.5rem;
            border: 1px solid #e2e8f0;
        }
        .overlap-table th {
            background-color: #f8fafc;
            font-weight: 700;
        }
        .overlap-table .active-nz { background-color: #bae6fd; }
        .overlap-table .active-au { background-color: #a7f3d0; }
        .overlap-table .active-jp { background-color: #fecdd3; }
        .overlap-table .active-uk { background-color: #e9d5ff; }
        .overlap-table .active-us { background-color: #c7d2fe; }
        
        .faq-item::before {
            background: linear-gradient(to bottom, #64748b, rgba(100, 116, 139, 0));
        }