* {
    box-sizing: border-box;
    font-family: Inter, system-ui, sans-serif;
}

body {
    background: radial-gradient(circle at top, #0f172a, #020617);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #e5e7eb;
}

.chat-container {
    width: 420px;
    height: 600px;
    background: #020617;
    border-radius: 14px;
    box-shadow: 0 0 40px rgba(56,189,248,0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    padding: 16px;
    text-align: center;
    font-weight: 600;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    color: #020617;
}

.chat-box {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.msg {
    margin-bottom: 12px;
    line-height: 1.4;
}

.msg.user {
    color: #e5e7eb;
}

.msg.jals {
    color: #38bdf8;
}

.chat-input {
    display: flex;
    padding: 12px;
    border-top: 1px solid #1e293b;
    background: #020617;
}

.chat-input input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 8px;
    border: none;
    outline: none;
    background: #020617;
    color: #e5e7eb;
}

.chat-input button {
    margin-left: 8px;
    padding: 0 16px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    color: #020617;
    font-size: 18px;
    cursor: pointer;
}