/* Calcutta Club Newsletter Frontend Styles - Optimized for Performance */

.calcutta-newsletter {
    font-family: 'Belgrano', serif;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
    contain: layout style;
    will-change: auto;
}

.calcutta-newsletter * {
    box-sizing: border-box;
}

.calcutta-newsletter .container {
    vertical-align: middle;
    text-align: center;
    top: 0;
    margin-top: 0;
}

.calcutta-newsletter .container1 {
    top: 0;
    margin-top: 0;
    vertical-align: top;
}

.calcutta-newsletter .container2 {
    top: 5;
    margin-top: 0;
    vertical-align: top;
    margin-left: 15px;
    margin-right: 15px;
    background-color: #fffff1;
    vertical-align: top;
}

.calcutta-newsletter .back {
    background-size: cover;
    background-size: 100% 100%;
}

.calcutta-newsletter .img1 {
    border-radius: 6px;
    border: 2px solid #307C35;
    padding: 5px;
    width: 90%;
    height: 80%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    loading: lazy;
    decoding: async;
}

.calcutta-newsletter .img2 {
    border-radius: 15px;
}

.calcutta-newsletter .img3 {
    border-radius: 25px;
    padding: 5px;
    width: 90%;
    height: 80%;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    loading: lazy;
    decoding: async;
}

.calcutta-newsletter .img4 {
    border-radius: 70%;
    border: 2px solid #ddd;
    padding: 5px;
    width: 90%;
    height: 80%;
    border-color: #307C35;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.calcutta-newsletter .img5 {
    border-radius: 50%;
    border-radius: 0%;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 5px;
    width: 80px;
    height: 90px;
    border-color: #F00;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.calcutta-newsletter .column {
    float: left;
    width: 33.33%;
    padding: 5px;
}

.calcutta-newsletter .row::after {
    content: "";
    clear: both;
    display: table;
}

.calcutta-newsletter .header {
    padding: 10px 16px;
    background: #555;
    color: #f1f1f1;
}

.calcutta-newsletter li:not(:last-child) {
    margin-bottom: 5px;
    margin-right: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
}

.calcutta-newsletter #rcorners3 {
    border-radius: 15px 50px;
    background: #73AD21;
    padding: 20px;
    width: 200px;
    height: 150px;
}

.calcutta-newsletter #loader {
    border: 12px solid #f3f3f3;
    border-radius: 50%;
    border-top: 12px solid #444444;
    width: 70px;
    height: 70px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Current section indicator styling */
.current-section {
    color: white !important;
    font-weight: bold;
    font-size: 14px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

#currentSection {
    color: white !important;
}

/* Video controls styling */
.calcutta-newsletter .video-controls {
    background-color: #000000;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.calcutta-newsletter .video-controls button {
    background-color: #333;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.calcutta-newsletter .video-controls button:hover {
    background-color: #555;
}

.calcutta-newsletter .video-progress {
    flex: 1;
    margin: 0 10px;
}

.calcutta-newsletter .video-progress input[type="range"] {
    width: 100%;
    height: 6px;
    background: #333;
    outline: none;
    border-radius: 3px;
}

.calcutta-newsletter .video-time {
    color: white;
    font-size: 12px;
    min-width: 80px;
}

/* Responsive design */
@media screen and (max-width: 500px) {
    .calcutta-newsletter .column {
        width: 100%;
    }
    
    .calcutta-newsletter .container1 {
        margin: 10px;
    }
    
    .calcutta-newsletter .img3 {
        width: 100%;
    }
    
    .calcutta-newsletter .video-controls {
        flex-direction: column;
        gap: 5px;
    }
    
    .calcutta-newsletter .video-progress {
        margin: 5px 0;
        order: 3;
    }
}

/* Print styles */
@media print {
    .calcutta-newsletter .video-controls {
        display: none;
    }
    
    .calcutta-newsletter {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .calcutta-newsletter .img3 {
        max-width: 100%;
        height: auto;
    }
}

/* PDF generation styles */
.calcutta-newsletter #newsletter-content {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
}

/* Loading animation */
.calcutta-newsletter .loading {
    text-align: center;
    padding: 20px;
}

.calcutta-newsletter .loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}