:root {
    --primary-color: #0f172a;
    /* Deep distinct blue/slate */
    --accent-color: #3b82f6;
    /* Vibrant blue */
    --bg-color: #f8fafc;
    --chat-bg: #ffffff;
    --text-color: #334155;
    --user-msg-bg: #3b82f6;
    --user-msg-text: #ffffff;
    --bot-msg-bg: #f1f5f9;
    --bot-msg-text: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-widget {
    width: 420px;
    height: 600px;
    background-color: var(--chat-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    border: 1px solid #e2e8f0;
}

/* Header */
.chat-header {
    background: var(--primary-color);
    color: #ffffff;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 4px #22c55e;
}

/* Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: #ffffff;
    scroll-behavior: smooth;
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 3px;
}

/* Message Bubbles */
.message {
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 85%;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    align-self: flex-end;
    background-color: var(--user-msg-bg);
    color: var(--user-msg-text);
    border-bottom-right-radius: 4px;
}

.message.bot {
    align-self: flex-start;
    background-color: var(--bot-msg-bg);
    color: var(--bot-msg-text);
    border-bottom-left-radius: 4px;
}

/* Markdown Styling inside Bubbles */
.message.bot ul,
.message.bot ol {
    margin: 8px 0;
    padding-left: 20px;
}

.message.bot p {
    margin: 0;
}

.message.bot p+p {
    margin-top: 8px;
}

.message.bot strong {
    font-weight: 600;
    color: #0f172a;
}

/* Input Area */
.chat-input-area {
    padding: 20px;
    border-top: 1px solid #f1f5f9;
    background: #ffffff;
}

.input-wrapper {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 6px 6px 6px 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrapper:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    background: #ffffff;
}

.chat-input-area input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    padding: 8px 0;
}

.chat-input-area input::placeholder {
    color: #94a3b8;
}

.chat-input-area button {
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, transform 0.1s;
    margin-left: 8px;
}

.chat-input-area button:hover {
    background-color: #2563eb;
    transform: scale(1.05);
}

.chat-input-area button:active {
    transform: scale(0.95);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background-color: var(--bot-msg-bg);
    border-radius: 12px;
    border-bottom-left-radius: 4px;
    width: fit-content;
    align-self: flex-start;
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    animation: fadeIn 0.3s ease-out;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: #64748b;
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* Quick Actions / Reply Buttons */
.quick-actions-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    animation: fadeIn 0.3s ease-out;
}

.quick-action-btn {
    background-color: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.quick-action-btn:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Date Picker Styles */
.date-picker-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
    background: #f8fafc;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    width: fit-content;
    animation: fadeIn 0.3s ease-out;
}

.date-picker-input {
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-color);
    outline: none;
}

.date-picker-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.date-picker-confirm-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    align-self: flex-start;
}

.date-picker-confirm-btn:hover {
    background-color: #4f46e5;
}