:root {
    --chatbot-primary: #007a3e; /* Uttara Bank Green */
    --chatbot-secondary: #005f2e;
    --user-bg: #007bff; /* A nice blue for user messages */
    --bot-bg: #f0f0f0;
    --text-light: #fff;
    --text-dark: #333;
}

/* More prominent chat icon */
.chat-bot {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, var(--chatbot-primary), var(--chatbot-secondary));
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 999;
}

.chat-bot:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.chat-bot .notification-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 12px;
    height: 12px;
    background-color: #ff4949;
    border-radius: 50%;
    border: 2px solid white;
}

/* Chatbot Window Styles */
.chat-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 370px;
    max-width: calc(100% - 40px);
    height: 500px;
    max-height: calc(100vh - 120px);
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.8);
    transform-origin: bottom right;
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease;
    visibility: hidden;
    z-index: 99999999;
}

.chat-window.open {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-secondary));
    color: white;
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
}

.chat-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.chat-close-btn:hover {
    opacity: 1;
}

.chat-body {
    flex-grow: 1;
    padding: 1rem;
    overflow-y: auto;
    background-color: #f9fafb;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Message Styles */
.message {
    display: flex;
    align-items: flex-end;
    max-width: 100%;
}

.message-content {
    padding: 0.6rem 1rem;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.4;
    word-wrap: break-word;
}

/* User message (right-aligned) */
.message.user {
    align-self: flex-end;
    justify-content: right;
}
.message.user .message-content {
    background-color: var(--user-bg);
    color: var(--text-light);
    border-bottom-left-radius: 4px;
}

/* Bot/Agent message (left-aligned) */
.message.agent, .message.bot {
    align-self: flex-start;
}
.message.agent .message-content,
.message.bot .message-content {
    background-color: var(--bot-bg);
    color: var(--text-dark);
    border-bottom-left-radius: 4px;
}
.message.system .message-content {
    width: 100%;
    text-align: center;
    background: none;
    font-style: italic;
    color: #888;
    font-size: 0.8rem;
}


/* Initial Questions & Welcome */
.initial-message {
    color: var(--text-dark);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    text-align: center;
}

.chat-questions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    padding: 0.5rem;
}

.chat-question {
    background-color: #fff;
    border: 1px solid var(--chatbot-primary);
    color: var(--chatbot-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    font-weight: 500;
}

.chat-question:hover {
    background-color: var(--chatbot-primary);
    color: var(--text-light);
    transform: translateY(-2px);
}

/* Answer block */
.chat-answer-block {
    padding: 1rem;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}
#back-to-questions {
    margin-top: 0.5rem;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  padding: 8px 12px;
}
.typing-indicator span {
  height: 8px;
  width: 8px;
  background-color: #9E9E9E;
  border-radius: 50%;
  display: inline-block;
  margin: 0 2px;
  animation: bounce 1.4s infinite ease-in-out both;
}
.typing-indicator span:nth-of-type(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-of-type(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}


/* Chat Footer */
.chat-footer {
    padding: 1rem;
    border-top: 1px solid #e5e7eb;
    background-color: #fff;
}

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

.chat-footer #message-input {
    border: 1px solid #d1d5db;
    border-radius: 20px;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    flex-grow: 1;
    transition: border-color 0.2s;
}

.chat-footer #message-input:focus {
    outline: none;
    border-color: var(--chatbot-primary);
    box-shadow: 0 0 0 2px rgba(0, 122, 62, 0.2);
}

.chat-footer #send-message-btn {
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 0.5rem;
    background-color: var(--chatbot-primary);
    border-color: var(--chatbot-primary);
}
.chat-footer #send-message-btn:hover {
    background-color: var(--chatbot-secondary);
    border-color: var(--chatbot-secondary);
}