html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    padding: 10px; /* Add padding for better spacing on mobile */
    -webkit-text-size-adjust: 100%; /* Prevent iOS zooming */
}

.app-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 400px;
    padding: 10px; /* Add padding for better spacing on mobile */
}

.chat-container {
    width: 100%;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 400px; /* Ensure max width for larger screens */
    display: flex;
    flex-direction: column;
    height: 70vh; /* Set explicit height */
}

.chat-box {
    height: calc(70vh - 60px); /* Account for input container */
    padding: 10px;
    overflow-y: auto;
    border-bottom: 1px solid #ddd;
    position: relative;
    flex: 1; /* Allow chat box to take available space */
    min-height: unset; /* Remove min-height */
}

.user {
    background-color: #e6f7ff;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.ai {
    background-color: #f1f1f1;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.typing {
    position: absolute;
    bottom: 0;
    width: 100%;
    background-color: #fff;
    padding: 10px;
    text-align: center;
    border-top: 1px solid #ddd;
}

.dots {
    animation: blink 1s steps(5, end) infinite;
}

@keyframes blink {
    to {
        visibility: hidden;
    }
}

.user {
    background-color: #e6f7ff;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.ai {
    background-color: #f1f1f1;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.input-container {
    display: flex;
    padding: 10px;
    width: 100%;
    max-width: 400px; /* Ensure max width for larger screens */
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
}

.input-container input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-right: 10px;
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
}

.input-container button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
    white-space: nowrap; /* Prevent text wrapping */
}

.input-container button:hover {
    background-color: #0056b3;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 3em;
    color: #007bff;
    text-align: center;
    margin-bottom: 30px;
    margin-top: -20px; /* moves the logo up */
    background: linear-gradient(45deg, #007bff, #6c757d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.welcome {
    font-family: 'Poppins', sans-serif;
    background-color: #e6f7ff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 1.4em;
    color: #007bff;
}

/* Media Queries for Mobile */
@media (max-width: 600px) {
    .logo {
        display: none !important;
        position: absolute;
        z-index: -1;
        height: 0;
        margin: 0;
        padding: 0;
        opacity: 0;
    }

    .app-container {
        min-height: 100vh;
        min-height: -webkit-fill-available;
        width: 100%;
        padding: 0;
        margin: 0;
        position: fixed;
        top: 0;
        left: 0;
    }

    .chat-container {
        height: 100vh;
        height: -webkit-fill-available;
        padding-top: env(safe-area-inset-top);
        padding-bottom: calc(env(safe-area-inset-bottom) + 60px);
        margin: 0;
        border-radius: 0;
        display: flex;
        flex-direction: column;
    }

    .chat-box {
        flex-grow: 1;
        height: auto;
    }

    .input-container {
        position: fixed;
        bottom: env(safe-area-inset-bottom);
        left: 0;
        right: 0;
        background: white;
    }
}