* {
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background: transparent;
}

#introVideo {
  position: fixed;
  top: 0;
  left: 0;
  min-width: 100%;
  min-height: 100%;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  object-position: center;
  z-index: -1;
  transform: scale(1.1); /* Zoom in to crop edges/watermarks */
}

#introOverlay {
    position: relative;
    min-height: 100vh;
    width: 100%;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
}

#contentContainer {
    position: relative;
    width: 900px;
    max-width: 90%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    /* to ensure  content is centered */
}

#katana {
    position: absolute;
    left: -9%; /* Shift componeny */
    height: 140%; /* size */
    top: -20%; /* vertical alignment */
    z-index: 20;
    opacity: 0;
    filter: drop-shadow(5px 5px 10px rgba(0,0,0,0.5));
}

#paperWrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    z-index: 10;
}

#paper {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 20px rgba(0,0,0,0.5));
}

#textOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center; 
    align-items: center;
    text-align: center;
    padding: 15% 8% 0 8%; /* top padding controls vertical position */
    transform: translateY(-8%);
}

#nameImage {
    width: 60%; 
    max-width: 500px;
    height: auto;
    margin-bottom: 12px !important; /* spacing */
    opacity: 0;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.4));
}

#japaneseGreeting {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.2rem; 
    color: #e53935; 
    margin-bottom: 12px !important; /* spacing */
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

#japaneseGreeting .char {
    display: inline-block;
    opacity: 0; 
}

#greetingText {
    font-family: 'Cinzel', serif;
    font-size: 1.1rem; 
    font-weight: 700;
    margin-bottom: 15px !important; /* spacing */
    letter-spacing: 1px;
    opacity: 0;
    color: #000;
    text-transform: uppercase;
}

#buttonWrapper {
    opacity: 0;
    pointer-events: auto;
}

#continueBtn {
    width: 180px;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: block;
}

#continueBtn:hover {
    transform: scale(1.05);
}
/* audio button */
#audioBtn {
    position: fixed;
    top: 20px;
    right: 24px;

    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 22px;
    cursor: pointer;

    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;

    color: #fff;
    z-index: 9999;

    transition: all 0.3s ease;
}

#audioBtn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 1024px) {
    #contentContainer {
        width: 80%;
    }
    #katana {
        left: -15%;
    }
}

@media (max-width: 768px) {
    #contentContainer {
        width: 95%;
    }
    #katana {
        left: -15%;
        height: 125%;
    }
    #textOverlay {
        /* mobile padding adjustments */
        padding: 23% 40px 0 40px; 
    }
    #nameImage {
        width: 75%;
        margin-bottom: 10px !important;
    }
    #japaneseGreeting { 
        font-size: 1.5rem; 
        margin-bottom: 10px !important;
    }
    #greetingText { 
        font-size: 0.85rem; 
        margin-bottom: 15px !important;
    }
    #continueBtn { width: 130px; }
}




footer {
    position: relative;
    width: 100%;
    background: linear-gradient(to top, #000000, rgba(0,0,0,0.8));
    color: #fff;
    padding: 3rem 2rem;
    text-align: center;
    z-index: 20;
    font-family: 'Noto Serif JP', serif;
    backdrop-filter: blur(5px);
    border-top: 1px solid rgba(255,255,255,0.1);
}

footer .footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

footer h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #e53935;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

footer .social-links {
    display: flex;
    gap: 1.5rem;
}

footer .social-links a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    padding: 10px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

footer .social-links a:hover {
    background: #e53935;
    border-color: #e53935;
    transform: translateY(-5px);
}

footer .copyright {
    margin-top: 2rem;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Chatbot Icon */
.chatbot-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px; /* Adjust size as needed */
    height: auto;
    z-index: 999;
    cursor: pointer;
    transition: transform 0.3s ease;
    pointer-events: auto;
}


/* Chatbot Modal Styles - Revised for WhatsApp Style in Frame */
.chatbot-modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.5); 
    justify-content: center;
    align-items: center;
}

.chatbot-container {
    background-image: url('assets/chatbotui.png');
    background-size: 100% 100%; /* Force image to fill the container */
    background-position: center;
    background-repeat: no-repeat;
    background-color: transparent;
    
    /* Dimensions - Increased size */
    width: 400px; 
    height: 600px; 
    
    position: relative;
    border-radius: 15px; 
    display: flex;
    flex-direction: column;
    
    /* Padding to keep text inside the 'screen' area of the frame */
    /* Adjust these if the text overlaps the frame border */
    padding: 100px 75px 70px 75px !important; 
}

.close-chatbot {
    position: absolute;
    top: 45px;      /* Positioned relative to container top */
    right: 35px;    /* Positioned relative to container right */
    color: #fff;
    font-size: 26px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1005;
    background: rgba(0,0,0,0.4); /* background for visibility */
    border-radius: 50%;
    width: 32px;
    height: 32px;
    line-height: 30px;
    text-align: center;
    transition: 0.3s;
}

.close-chatbot:hover {
    color: #e53935;
    background: rgba(255,255,255,0.9);
}

.chatbot-body {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 5px; /* Space for scrollbar */
    
    /* Scrollbar styling */
    scrollbar-width: thin;
    scrollbar-color: #e53935 rgba(0,0,0,0.3);
}

.chatbot-body::-webkit-scrollbar {
    width: 6px;
}
.chatbot-body::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1); 
}
.chatbot-body::-webkit-scrollbar-thumb {
    background: #e53935; 
    border-radius: 10px;
}

/* Chat Bubbles */
.chat-bubble {
    padding: 10px 14px !important;
    border-radius: 18px;
    font-family: 'Noto Serif JP', sans-serif;
    font-size: 0.85rem;
    line-height: 1.4;
    max-width: 85%;
    position: relative;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.user-bubble {
    align-self: flex-end;
    background: #e53935;
    color: #fff;
    border-bottom-right-radius: 4px;
}

.bot-bubble {
    align-self: flex-start;
    background: rgba(20, 20, 20, 0.9); /* Dark bubble */
    border: 1px solid #444;
    color: #eee;
    border-bottom-left-radius: 4px;
}

/* Option Chips (Questions) */
.chat-options {
    display: flex;
    flex-direction: column; /* Stack vertically if horizontal takes too much space, or wrap */
    gap: 8px;
    margin-top: 10px;
    align-items: flex-end; /* Align to right like suggested actions */
}

.option-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #e53935;
    color: #fff;
    padding: 8px 14px !important;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    text-align: right;
    transition: all 0.2s ease;
    font-family: 'Cinzel', serif;
    backdrop-filter: blur(2px);
    max-width: 100%;
}

.option-btn:hover {
    background: #e53935;
    color: #fff;
    transform: translateX(-5px);
}

@keyframes popIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}