html {
            scroll-padding-top: 70px;
        }
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #0a0a1a;
            color: #e0e0e0;
            position: relative;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(10, 10, 26, 0.95), rgba(21, 24, 60, 0.95), rgba(10, 10, 26, 0.95));
            background-size: 400% 400%;
            animation: gradient-bg 25s ease infinite;
            z-index: -1;
        }
        @keyframes gradient-bg {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .font-orbitron {
            font-family: 'Orbitron', sans-serif;
        }
        .header {
            background-color: rgba(10, 10, 26, 0.8);
            backdrop-filter: blur(10px);
        }
        .glow-text {
            text-shadow: 0 0 8px rgba(255, 255, 255, 0.3), 0 0 20px rgba(236, 72, 153, 0.4);
        }

        /* --- Improved Card Styles --- */
        .card {
            background: radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1), transparent 50%),
                        rgba(17, 24, 39, 0.5); /* More subtle glow */
            border: 1px solid transparent;
            border-image: linear-gradient(to bottom right, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05)) 1;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
            border-radius: 0.5rem; /* Ensure consistent rounding */
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -150%;
            width: 70%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transform: skewX(-30deg);
            transition: left 0.6s ease-in-out;
        }

        .card:hover::before {
            left: 150%;
        }

        .card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 0 40px rgba(236, 72, 153, 0.4), 0 0 60px rgba(139, 92, 246, 0.3);
        }
        .tilt-container {
            perspective: 1500px;
        }

        /* --- Special Prize Card Animations --- */
        .prize-card-animated-border {
            padding: 3px;
            position: relative;
            background: transparent;
            overflow: hidden;
            z-index: 10;
            border-radius: 0.75rem; /* Slightly larger rounding */
        }
        .prize-card-animated-border::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(
                from var(--angle),
                transparent 0%,
                #ec4899,
                #8b5cf6,
                #ec4899,
                transparent 60%
            );
            transform: translate(-50%, -50%);
            animation: rotate-border 4s linear infinite;
        }
        .prize-card-animated-border.grand-prize::before {
            background: conic-gradient(
                from var(--angle),
                transparent 0%,
                #fde047,
                #facc15,
                #fde047,
                transparent 60%
            );
        }
        @property --angle {
            syntax: '<angle>';
            initial-value: 0deg;
            inherits: false;
        }
        @keyframes rotate-border {
            to { --angle: 360deg; }
        }
        .prize-card-content {
            width: 100%;
            height: 100%;
        }
        .prize-card-content.card {
             background: radial-gradient(ellipse at center, rgba(30, 30, 50, 0.8), #111122 70%), #111122;
             border-image: none; /* Remove default border image */
             border: 1px solid rgba(255,255,255,0.1);
        }
        .coordinator-card {
            background-color: #0c1427 !important; /* Override default card background */
            border: 1px solid rgba(59, 130, 246, 0.5);
        }


        /* --- Button and Star Styles --- */
        .star-button-container {
            position: relative;
            display: inline-block;
        }
        .star-button {
            position: relative;
            overflow: visible; /* Allow stars to fly out */
            z-index: 1;
        }
        .star-button .star {
            position: absolute;
            z-index: -1;
            transition: all 0.7s cubic-bezier(0.05, 0.83, 0.43, 0.96);
            opacity: 0;
            transform: scale(0.5);
        }
        .star-button .fil0 {
            fill: var(--star-color, #ec4899); /* Default to pink */
            filter: drop-shadow(0 0 3px var(--star-color, #ec4899));
        }
        .star-button .star-1 { top: 50%; left: 50%; width: 15px; transform: translate(-50%, -50%); }
        .star-button .star-2 { top: 50%; left: 50%; width: 20px; transform: translate(-50%, -50%); }
        .star-button .star-3 { top: 50%; left: 50%; width: 15px; transform: translate(-50%, -50%); }
        .star-button .star-4 { top: 50%; left: 50%; width: 25px; transform: translate(-50%, -50%); }
        
        .star-button:hover .star { opacity: 1; transform: scale(1); }
        .star-button:hover .star-1 { top: -40px; left: 50%; } /* Top */
        .star-button:hover .star-2 { top: 50%; left: 120%; }  /* Right */
        .star-button:hover .star-3 { top: 120%; left: 50%; } /* Bottom */
        .star-button:hover .star-4 { top: 50%; left: -40px; } /* Left */
        
        .star-button-blue { --star-color: #60a5fa; } /* Blue for the blue button */

        /* --- Page Transition Animations --- */
        @keyframes page-fade-in { from { opacity: 0; } to { opacity: 1; } }
        @keyframes page-fade-out { from { opacity: 1; } to { opacity: 0; } }
        .page-transition-in { animation: page-fade-in 0.4s ease-out forwards; }
        .page-transition-out { animation: page-fade-out 0.4s ease-in forwards; }

        /* --- Other Styles --- */
        .timeline::before, .timeline-mobile::before {
            content: ''; position: absolute; top: 0; bottom: 0; width: 2px;
            background: linear-gradient(to bottom, #ec4899, #8b5cf6);
        }
        .timeline::before { left: 50%; transform: translateX(-50%); }
        .timeline-mobile::before { left: 20px; }
        .timeline-item { position: relative; }
        .timeline-dot {
            position: absolute; left: 50%; top: 20px; transform: translateX(-50%);
            width: 20px; height: 20px; border-radius: 50%; background-color: #ec4899;
            border: 4px solid #171729; box-shadow: 0 0 10px #ec4899;
            animation: pulse-dot 2s infinite ease-in-out;
        }
        @keyframes pulse-dot { 50% { box-shadow: 0 0 20px #ec4899, 0 0 30px #ec4899; } }
        .nav-link { position: relative; transition: color 0.3s; }
        .nav-link::after {
            content: ''; position: absolute; width: 0; height: 2px; bottom: -5px;
            left: 50%; transform: translateX(-50%); background-color: #ec4899;
            transition: width 0.3s;
        }
        .nav-link:hover::after { width: 100%; }
        .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
        .reveal.active { opacity: 1; transform: translateY(0); }
        /* --- Chatbot Styles --- */
#chatbot-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

#chatbot-toggle {
    background-color: #ec4899; /* pink-600 */
    color: white;
    width: 64px;
    height: 64px;
    border-radius: 9999px; /* full */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s;
}

#chatbot-toggle:hover {
    transform: scale(1.1);
}

#chatbot-toggle svg {
    width: 32px;
    height: 32px;
}

#chat-window {
    width: calc(100vw - 2rem);
    max-width: 24rem; /* 384px */
    height: 70vh;
    max-height: 500px;
    background-color: rgba(31, 41, 55, 0.8); /* gray-800 with opacity */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 0.5rem; /* rounded-lg */
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    transform-origin: bottom right;
}

.chat-hidden {
    transform: scale(0);
    opacity: 0;
    display: none; /* Hide completely */
}

#chatbot-toggle.chat-hidden {
    transform: scale(0);
    opacity: 0;
}


.chat-header {
    background-color: #111827; /* gray-900 */
    color: white;
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.chat-header h3 {
    font-weight: 700;
    font-size: 1.125rem;
}

.chat-header button {
    color: #d1d5db; /* gray-300 */
    font-size: 1.5rem;
    line-height: 1;
}
.chat-header button:hover {
    color: white;
}


#chat-messages {
    flex-grow: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem; /* space-y-2 */
}

#chat-messages::-webkit-scrollbar {
    width: 6px;
}
#chat-messages::-webkit-scrollbar-track {
    background: #4b5563; /* gray-600 */
}
#chat-messages::-webkit-scrollbar-thumb {
    background: #6b7280; /* gray-500 */
    border-radius: 3px;
}

.bot-message, .user-message {
    padding: 0.75rem;
    border-radius: 0.5rem;
    max-width: 85%;
    word-wrap: break-word;
}

.bot-message {
    background-color: #4b5563; /* gray-600 */
    align-self: flex-start;
    color: white;
}
.user-message {
    background-color: #ec4899; /* pink-600 */
    color: white;
    align-self: flex-end;
}

.chat-input-container {
    padding: 0.75rem;
    border-top: 1px solid #374151; /* gray-700 */
}

.chat-input-flex {
    display: flex;
}

#chat-input {
    flex-grow: 1;
    background-color: #374151; /* gray-700 */
    color: white;
    border-top-left-radius: 0.375rem;
    border-bottom-left-radius: 0.375rem;
    padding: 0.5rem;
    border: none;
}

#chat-input:focus {
    outline: 2px solid #ec4899;
}

#send-btn {
    background-color: #db2777; /* pink-600 */
    color: white;
    padding-left: 1rem;
    padding-right: 1rem;
    border-top-right-radius: 0.375rem;
    border-bottom-right-radius: 0.375rem;
}
#send-btn:hover {
    background-color: #be185d; /* pink-700 */
}

@media (max-width: 768px) {
    #chat-window {
        max-height: 70vh;
    }
    #chatbot-toggle {
        width: 56px;
        height: 56px;
    }
    #chatbot-toggle svg {
        width: 28px;
        height: 28px;
    }
}