@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap');

:root {
    --bg-color: #f8f9fa;
    --container-bg: #ffffff;
    --header-bg: #f8f9fa;
    --header-text: #333;
    --header-border: #dee2e6;
    --chat-box-bg: #f2f2f2;
    --text-color: #333;
    --user-msg-bg: #007bff;
    --user-msg-text: #ffffff;
    --gemini-msg-bg: #e9ecef;
    --gemini-msg-text: #333;
    --input-bg: #ffffff;
    --border-color: #ced4da;
    --button-bg: #007bff;
    --disabled-bg: #ccc;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #121212;
        --container-bg: #1e1e1e;
        --header-bg: #1e1e1e;
        --header-text: #e0e0e0;
        --header-border: #333;
        --chat-box-bg: #252525;
        --text-color: #e0e0e0;
        --user-msg-bg: #0056b3;
        --user-msg-text: #ffffff;
        --gemini-msg-bg: #333333;
        --gemini-msg-text: #e0e0e0;
        --input-bg: #2d2d2d;
        --border-color: #444;
        --button-bg: #0056b3;
        --disabled-bg: #444;
    }
}

/* Basic CSS for MyGemini */
body {
    font-family: 'Roboto', 'Google Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.chat-container {
    width: 100%;
    max-width: 700px;
    background-color: var(--container-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 90dvh;
    margin: 10px;
}

h1 {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 15px;
    padding-top: max(15px, env(safe-area-inset-top));
    margin: 0;
    text-align: center;
    font-size: 20px;
    border-bottom: 1px solid var(--header-border);
}

.chat-box {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
    background-color: var(--chat-box-bg);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.message {
    padding: 0px 12px;
    border-radius: 12px;
    margin-bottom: 0px;
    max-width: 85%;
    line-height: 1.4;
    color: var(--gemini-msg-text);
}

.user-message {
    background-color: var(--user-msg-bg);
    color: var(--user-msg-text);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.gemini-message {
    background-color: var(--gemini-msg-bg);
    color: var(--gemini-msg-text);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.input-area {
    display: flex;
    padding: 15px;
    background-color: var(--header-bg);
    border-top: 1px solid var(--border-color);
    align-items: flex-end;
    gap: 8px;
    padding-bottom: max(50px, env(safe-area-inset-bottom) + 20px);
}

.input-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

#messageInput {
    flex-grow: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 16px;
    background-color: var(--input-bg);
    color: var(--text-color);
    resize: none;
    height: 44px;
}

#modelSelect {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    background-color: var(--input-bg);
    color: var(--text-color);
    cursor: pointer;
}

#sendButton {
    padding: 8px 12px;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

#sendButton:disabled {
    background-color: var(--disabled-bg);
    cursor: not-allowed;
}

.login-container {
    width: 90%;
    max-width: 400px;
    background-color: var(--container-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-header {
    background-color: transparent;
    color: var(--text-color);
    padding: 10px;
    text-align: center;
    font-size: 24px;
    border-bottom: none;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-form input {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 16px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

.login-form button {
    padding: 12px 20px;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s ease;
}

.login-form button:hover {
    background-color: #0056b3;
}

@media (max-width: 600px) {
    .chat-container {
        width: 100%;
        margin: 0;
        border-radius: 0;
        height: 100dvh;
    }
}