/* Core Variables for Dark Theme */
:root {
    --bg-main: #0f0f0f;
    --bg-input: #212121;
    --bg-modal: #171717;
    --text-primary: #ececec;
    --text-secondary: #a0a0a0;
    --accent-color: #0f0; /* Hacker green accent */
    --hover-color: #2f2f2f;
    --border-color: #333;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    display: flex;
    height: 100vh;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    position: relative;
}

/* Main Chat Area */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
}

.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 40px 15%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ASCII Logo */
.ascii-logo {
    color: var(--accent-color);
    font-family: monospace;
    text-align: center;
    white-space: pre-wrap;
    font-size: 12px;
    line-height: 1.2;
    margin: 20px auto 40px auto;
    user-select: none;
    font-weight: bold;
}

.message {
    display: flex;
}

.ai-message {
    justify-content: flex-start;
}

.user-message {
    justify-content: flex-end;
}

.message-content {
    max-width: 80%;
    padding: 15px;
    border-radius: 12px;
    line-height: 1.5;
    word-wrap: break-word;
}

.ai-message .message-content {
    background-color: transparent;
}

.user-message .message-content {
    background-color: var(--bg-input);
}

/* Input Area */
.input-area {
    padding: 20px 15%;
    background-color: var(--bg-main);
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    background-color: var(--bg-input);
    border-radius: 16px;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    gap: 8px; /* Adds space between all items */
}

.input-wrapper:focus-within {
    border-color: var(--text-secondary);
}

.hidden-file-input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    resize: none;
    max-height: 200px;
    padding: 10px;
    font-size: 16px;
    outline: none;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    font-size: 16px;
}

.icon-btn:hover {
    color: var(--text-primary);
    background-color: var(--hover-color);
}

.send-btn {
    color: var(--bg-main);
    background-color: var(--text-primary);
    border-radius: 50%;
    padding: 8px 12px;
    margin-bottom: 5px;
}

.send-btn:hover {
    background-color: var(--text-secondary);
    color: var(--bg-main);
}

/* In-line Control Buttons (Info/Restart) */
.input-divider {
    width: 1px;
    height: 30px;
    background-color: var(--border-color);
    margin: 0 5px 8px 5px;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    margin-bottom: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}

.control-btn:hover {
    background-color: var(--hover-color);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.file-preview {
    margin-top: 10px;
    padding: 8px 15px;
    background-color: var(--bg-input);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

/* Modal Styling */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.85);
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal {
    background-color: var(--bg-modal);
    padding: 30px;
    border-radius: 12px;
    width: 480px;
    max-width: 90%;
    border: 1px solid var(--border-color);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

/* Improved Info Modal Presentation */
.info-section {
    margin-bottom: 15px;
}

.info-section h3 {
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.info-section p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.info-modal-content a {
    color: var(--accent-color);
    text-decoration: none;
}

.info-modal-content a:hover {
    text-decoration: underline;
}

.close-info-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
}

.close-info-btn:hover {
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    color: var(--text-primary);
    outline: none;
}

.form-group input:focus {
    border-color: var(--text-secondary);
}

/* Fixed Radio Alignment */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
}

.radio-group label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: 0;
    line-height: 1;
}

.radio-group input[type="radio"] {
    margin: 0; /* Reset margins that disrupt vertical alignment */
    cursor: pointer;
}

.save-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--text-primary);
    color: var(--bg-main);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    margin-top: 10px;
}

.save-btn:hover {
    background-color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .messages-area, .input-area {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .input-wrapper {
        flex-wrap: wrap; /* Allows controls to wrap on tiny screens */
    }

    .ascii-logo {
    text-align: center;
    font-family: monospace;
    white-space: pre;
    font-size: 12px;
    line-height: 1.2;
    margin: 40px auto;

    color: #00eaff;

    text-shadow:
        0 0 5px #00eaff,
        0 0 10px #00eaff,
        0 0 20px #00eaff,
        0 0 40px #0088ff;

    user-select: none;
    font-weight: bold;
    }
}