add presentation mode enhancements: refine visuals, integrate HTML-based interface for presentation mode, align assets display and player states, and handle real-time JS callbacks

cmd/client/web/style.css

@@ -165,3 +165,176 @@ input[type=range]{width:100%;max-width:300px}
     #rotate-overlay{display:flex}
     #game-container{display:none!important}
 }
+
+/* PRESENTATION MODE */
+.presentation-mode {
+    background: #0a0f1e!important;
+    flex-direction: column;
+    padding: 0!important;
+    overflow: hidden;
+}
+
+.presi-background {
+    position: absolute;
+    top: 0; left: 0; width: 100%; height: 100%;
+    background: radial-gradient(circle at center, #1a2a4a 0%, #0a0f1e 100%);
+    z-index: -2;
+}
+
+.presi-scanlines {
+    position: absolute;
+    top: 0; left: 0; width: 100%; height: 100%;
+    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 100, 0.06));
+    background-size: 100% 4px, 3px 100%;
+    pointer-events: none;
+    z-index: 10;
+}
+
+.presi-header {
+    margin-top: 40px;
+    text-align: center;
+    z-index: 5;
+}
+
+.presi-header h1 {
+    font-size: 36px;
+    color: #ff0;
+    text-shadow: 0 0 10px rgba(255, 255, 0, 0.5);
+    margin: 0;
+}
+
+#presiRoomInfo {
+    margin-top: 10px;
+    background: rgba(0, 0, 0, 0.6);
+    padding: 5px 15px;
+    border: 2px solid #ff0;
+    display: inline-block;
+}
+
+#presiRoomCode {
+    font-size: 24px;
+    color: #ff0;
+    letter-spacing: 2px;
+}
+
+.presi-content {
+    flex: 1;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 40px;
+    z-index: 5;
+}
+
+#presiQuoteBox {
+    max-width: 800px;
+    text-align: center;
+    background: rgba(0, 0, 0, 0.4);
+    padding: 30px;
+    border-radius: 10px;
+    border-left: 5px solid #ff0;
+}
+
+#presiQuoteText {
+    font-family: sans-serif;
+    font-size: 28px;
+    line-height: 1.4;
+    font-style: italic;
+    margin-bottom: 20px;
+}
+
+#presiQuoteAuthor {
+    color: #ffcc00;
+    font-size: 18px;
+}
+
+.presi-qr-container {
+    position: absolute;
+    bottom: 40px;
+    left: 40px;
+    background: white;
+    padding: 15px;
+    border-radius: 5px;
+    text-align: center;
+    z-index: 20;
+    box-shadow: 0 0 20px rgba(0,0,0,0.5);
+}
+
+#presiQRCode {
+    width: 150px;
+    height: 150px;
+}
+
+#presiQRCode img {
+    width: 100%;
+    height: 100%;
+}
+
+.presi-qr-container p {
+    color: black;
+    font-size: 10px;
+    margin-top: 10px;
+    font-weight: bold;
+}
+
+.presi-assets-track {
+    position: absolute;
+    bottom: 120px;
+    width: 100%;
+    height: 100px;
+    pointer-events: none;
+    z-index: 2;
+}
+
+.presi-asset {
+    position: absolute;
+    bottom: 0;
+    transition: transform 0.1s linear;
+}
+
+.presi-asset img {
+    display: block;
+    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.5));
+}
+
+.presi-players-layer {
+    position: absolute;
+    top: 0; left: 0; width: 100%; height: 100%;
+    pointer-events: none;
+    z-index: 3;
+}
+
+.presi-player {
+    position: absolute;
+    transition: all 0.05s linear;
+}
+
+.presi-player-emote {
+    position: absolute;
+    top: -40px;
+    left: 50%;
+    transform: translateX(-50%);
+    font-size: 30px;
+    animation: emotePop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
+}
+
+@keyframes emotePop {
+    0% { transform: translateX(-50%) scale(0); opacity: 0; }
+    70% { transform: translateX(-50%) scale(1.2); opacity: 1; }
+    100% { transform: translateX(-50%) scale(1); opacity: 1; }
+}
+
+.presi-footer {
+    position: absolute;
+    bottom: 20px;
+    right: 20px;
+    color: rgba(255, 255, 255, 0.4);
+    font-size: 10px;
+}
+
+/* Animations */
+@keyframes assetSlide {
+    from { transform: translateX(100vw); }
+    to { transform: translateX(-200px); }
+}
+