:root {
    --primary: #2c3e50;
    --accent: #27ae60;
    --bg-light: #f9f9f9;
    --text-dark: #333;
    --text-light: #666;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-light);
    color: var(--text-dark);
    height: 100vh;
    overflow: hidden;
}

/* Mock Landing Page */
.landing-page {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%);
    text-align: center;
}

.navbar {
    position: absolute;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.links a {
    text-decoration: none;
    color: var(--text-dark);
    margin-left: 30px;
    font-weight: 500;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.cta-btn {
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.cta-btn:hover {
    transform: translateY(-2px);
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    font-family: var(--font-main);
}

.chat-fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chat-fab:hover {
    transform: scale(1.1);
    background: var(--accent);
}

/* Chat Window */
.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 600px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    opacity: 1;
    transform: scale(1);
    border: 1px solid rgba(0,0,0,0.05);
}

.chat-window.hidden {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    pointer-events: none;
}

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

.header-info h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #2ecc71;
    border-radius: 50%;
    margin-right: 5px;
}

.status-text {
    font-size: 0.8rem;
    opacity: 0.8;
}

.close-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

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

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: #f7f9fc;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Message Bubbles */
.message {
    max-width: 80%;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
}

.message-content {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
    position: relative;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.bot-message .message-content {
    background: var(--white);
    color: var(--text-dark);
    border-bottom-left-radius: 4px;
}

.user-message .message-content {
    background: var(--primary);
    color: var(--white);
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 0.7rem;
    color: #999;
    margin-top: 4px;
    margin-left: 2px;
}

.user-message .message-time {
    text-align: right;
    margin-right: 2px;
}

/* Input Area */
.chat-input-area {
    padding: 15px;
    background: var(--white);
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    gap: 10px;
}

#chatInput {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #eee;
    border-radius: 25px;
    outline: none;
    font-family: inherit;
    transition: border-color 0.2s;
    background: #f8f9fa;
}

#chatInput:focus {
    border-color: var(--primary);
    background: var(--white);
}

.send-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
}

.send-btn:hover {
    transform: scale(1.05);
    background: var(--accent);
}

/* Markdown-like styling within messages */
.message-content strong {
    font-weight: 600;
    color: inherit;
}

.message-content a {
    color: var(--accent);
    text-decoration: underline;
}

.user-message .message-content a {
    color: #a8e6cf;
}