static/style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: linear-gradient(135deg, #dbeafe, #ede9fe);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    width: 1100px;
    height: 720px;
    background: white;
    border-radius: 35px;
    display: flex;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    border: 8px solid #2563eb;
}

/* LEFT SIDEBAR */

.sidebar {
    width: 320px;
    background: linear-gradient(180deg, #172554, #1e293b);
    padding: 25px;
    color: white;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 30px;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

.upload-box {
    border: 2px dashed #94a3b8;
    padding: 20px;
    border-radius: 18px;
    text-align: center;
}

.upload-box input {
    margin-top: 10px;
}

.process-btn {
    width: 100%;
    background: #22c55e;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 14px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.3s;
}

.process-btn:hover {
    transform: scale(1.03);
}

.info p {
    margin-top: 10px;
}

.powered {
    margin-top: 20px;
    color: #c4b5fd;
    font-size: 14px;
}

/* RIGHT CHAT AREA */

.chat-area {
    flex: 1;
    background: #f8fafc;
    padding: 35px;
    position: relative;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h1 {
    font-size: 38px;
    color: #111827;
}

.chat-header p {
    color: #64748b;
    margin-top: 5px;
}

.new-chat {
    background: #7c3aed;
    color: white;
    border: none;
    padding: 14px 22px;
    border-radius: 14px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 10px 20px rgba(124, 58, 237, 0.3);
}

/* CHAT BOX */

.chat-box {
    margin-top: 40px;
}

.user-message {
    background: #2563eb;
    color: white;
    width: fit-content;
    margin-left: auto;
    padding: 16px 22px;
    border-radius: 18px 18px 5px 18px;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.35);
    margin-bottom: 30px;
}

.bot-message {
    background: white;
    padding: 25px;
    border-radius: 20px;
    width: 700px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    line-height: 1.8;
}

.bot-message ul {
    margin-left: 25px;
    margin-top: 10px;
}

.answer-box {
    margin-top: 20px;
    background: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.answer-box h3 {
    margin-bottom: 10px;
}

/* INPUT AREA */

.input-area {
    position: absolute;
    bottom: 30px;
    left: 35px;
    right: 35px;
    display: flex;
    gap: 15px;
}

.input-area input {
    flex: 1;
    padding: 18px;
    border-radius: 15px;
    border: 1px solid #cbd5e1;
    outline: none;
    font-size: 16px;
}

.input-area button {
    background: #7c3aed;
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 15px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
}