* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
}
 body {
     font-family: Arial, sans-serif;
     background: black;
     color: #fff;
     min-height: 100vh;
     display: flex;
     justify-content: center;
     align-items: center;
}
 #app {
     width: 100%;
     max-width: 1200px;
     padding: 20px;
     
     @media screen and (max-width: 767px) {
         padding-top: -200px;
    }
}
 #video-container {
     position: relative;
     width: 100%;
     background: #000;
     border-radius: 0px;
     overflow: hidden;
}
 #video-player {
     width: 100%;
     height: auto;
     display: block;
}
 #hotspot-overlay {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     pointer-events: none;
}
 .hotspot {
     position: absolute;
     background: transparent;
     border: none;
     pointer-events: auto;
     cursor: pointer;
     z-index: 10;
}
 .hotspot-trigger-menu {
     position: fixed;
     background: rgba(25, 20, 45, 0.98);
     border: 1px solid rgba(114, 51, 187, 0.6);
     border-radius: 6px;
     padding: 6px;
     min-width: 180px;
     z-index: 100;
     box-shadow: 0 0 15px rgba(114, 51, 187, 0.35), 0 4px 12px rgba(0,0,0,0.6);
     display: none;
     pointer-events: auto;
     font-family: 'Courier New', monospace;
     overflow: hidden;
}
 .hotspot-trigger-menu.visible {
     display: block;
}
 .hotspot-trigger-item {
     display: block;
     width: 100%;
     padding: 8px 12px;
     background-color: #222;
     border: 1px solid #555;
     border-radius: 4px;
     color: #e0e0e0;
     text-align: left;
     cursor: pointer;
     font-size: 13px;
     font-family: 'Courier New', monospace;
     font-weight: bold;
     transition: all 0.15s ease;
     white-space: nowrap;
     margin-bottom: 4px;
     box-sizing: border-box;
     box-shadow: inset 1px 1px 0px rgba(255, 255, 255, 0.15), inset -1px -1px 0px rgba(0, 0, 0, 0.8);
}
 .hotspot-trigger-item:last-child {
     margin-bottom: 0;
}
 .hotspot-trigger-item:hover {
     background-color: rgba(114, 51, 187, 0.75);
     border-color: rgba(114, 51, 187, 0.9);
     color: #fff;
     box-shadow: 0 0 10px rgba(114, 51, 187, 0.6), inset 1px 1px 0px rgba(255, 255, 255, 0.25), inset -1px -1px 0px rgba(0, 0, 0, 0.8);
}
 .hotspot-trigger-item:active {
     transform: scale(0.97);
     box-shadow: inset -1px -1px 0px rgba(255, 255, 255, 0.15), inset 1px 1px 0px rgba(0, 0, 0, 0.8);
}
 #quiz-container {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(0,0,0,0.85);
     display: flex;
     justify-content: center;
     align-items: center;
     z-index: 1000;
}
 #quiz-content {
     background: #2a2a4e;
     padding: 30px;
     border-radius: 10px;
     max-width: 500px;
     width: 90%;
     text-align: center;
     box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
 #quiz-content h3 {
     margin-bottom: 20px;
}
 .quiz-option {
     display: block;
     width: 100%;
     padding: 12px;
     margin: 10px 0;
     background: #4a4a6e;
     border: none;
     border-radius: 5px;
     color: #fff;
     cursor: pointer;
     font-size: 16px;
}
 .quiz-option:hover {
     background: #6a6a8e;
}
 #text-popup {
     position: fixed;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     background: #2a2a4e;
     padding: 30px;
     border-radius: 10px;
     max-width: 400px;
     z-index: 100;
     text-align: center;
}
 #text-content {
     margin-bottom: 20px;
     line-height: 1.6;
}
 #close-text {
     padding: 10px 20px;
     background: #4a4a6e;
     border: none;
     border-radius: 5px;
     color: #fff;
     cursor: pointer;
}
 #close-text:hover {
     background: #6a6a8e;
}