body {
    font-family: 'Roboto', sans-serif;
    background-color: #f7f7f7;
    color: #444444;
    margin: 0;
    padding: 0;
}
.input {
    font-size: 34px;
    color: #4054b2;
    background-color: ghostwhite;
    text-align: start;
    padding: 10px;
    border-radius: 5px;
}
.list {
    font-size: 34px;
    color: #d4af37;
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
}
.output {
    background-color: #f7f7f7;
    color: #707070;
    font-size: 34px;
    padding: 10px;
    border-radius: 5px;
}
.ask {
    font-size: 40px;
    padding: 10px;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.ask:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}
.ask:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.copy {
    font-size: 40px;
    padding: 10px;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.copy:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}
.copy:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.heading {
    font-size: 34px;
    font-weight: 500;
    color: #3b5998;
}
.error-message {
    color: #ff6161;
    background-color: #ffe6e6;
    padding: 10px;
    border-radius: 5px;
    font-size: 24px;
    margin: 20px 0;
}
.large-font {
    font-size: 72px;
    color: #3b5998;
}
.medium-font {
    font-size: 24px;
    color: Darkblue
}
.red-background {
    background: darkblue;
}
.red-background:hover {
    background: #0000cd;
}
.green-background {
    background: darkblue;
}
.green-background:hover {
    background: #0000cd;
}
:root {
    --mobile-font-size: 72px;
    --mobile-bg-color: lightblue;
    --mobile-width: 100%;
    --mobile-padding: 8px;
    --mobile-margin-top: 20px;
}

@media screen and (max-width: 1000px) {
    body {
        font-size: var(--mobile-font-size);
        background-color: var(--mobile-bg-color);
    }

    table {
        width: var(--mobile-width);
    }

    td, th {
        padding: var(--mobile-padding);
    }

    form {
        margin-top: var(--mobile-margin-top);
    }
}
@keyframes blink {
    0% {opacity: 1;}
    50% {opacity: 0.4;}
    100% {opacity: 1;}
}
.blink-text {
    animation: blink 1s infinite;
}

.large-font {
    font-size: 34px;
}
.header-font {
    font-size: 24px;
}

/* Ensure the file input (Choose File / No file chosen) matches the large label size */
#image_file,
input[type="file"] {
    font-size: 34px;
    line-height: 1.2em;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.controls-section {
    margin: 20px 2ch;
    padding-left: 2ch;
}

.section-title {
    font-size: 40px;
    display: block;
    margin-bottom: 10px;
}

.button-group {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.button-group .copy,
.button-group .ask {
    font-size: 40px;
    padding: 10px;
}

.chat-bubble-container {
    margin: 10px 0;
}

.chat-bubble-container.user {
    text-align: right;
}

.chat-bubble-container.ai {
    text-align: left;
}

.chat-bubble {
    display: inline-block;
    max-width: 100%;
    text-align: left;
    word-wrap: break-word;
    white-space: pre-wrap;
    margin: 20px 2ch;
    padding: 20px;
    border: 2px solid #4CAF50;
    border-radius: 6px;
    background: #e8f5e9;
}

.chat-bubble.user {
    background: #e3f2fd;
}

.chat-bubble.ai {
    background: #f5f5f5;
}

.latest-interaction {
    margin: 20px 2ch;
    padding: 20px;
    border: 2px solid #4CAF50;
    border-radius: 6px;
    background: #e8f5e9;
}

.latest-interaction .question {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    white-space: pre-wrap;
}

.latest-interaction .answer {
    font-size: 24px;
    white-space: pre-wrap;
    margin-top: 15px;
}

#chatHistory {
    margin: 20px 2ch;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #ffffff;
    font-size: 20px;
}

.no-history {
    text-align: center;
    color: #999;
    padding: 20px;
}

.ml-2 {
    margin-left: 2ch;
}

.mt-2 {
    margin-top: 10px;
}

.hidden {
    display: none;
}

#imagePreview {
    max-width: 90vw;
    max-height: 50vh;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.preview-note {
    font-size: 16px;
    color: #555;
    margin-top: 6px;
    display: none;
}

#scrollToTop {
    position: fixed;
    bottom: 20px;
    left: 40px;
    display: block; /* Always visible */
    background-color: #000;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    z-index: 1000;
    font-size: 40px;
}

#scrollToTop:hover {
    background-color: #444;
}

/* Hourglass cursor when waiting */
body.waiting, body.waiting * {
    cursor: wait !important;
}

/* Fullscreen loading overlay for mobile/desktop */
#loadingOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: none; /* hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

#loadingOverlay.show {
    display: flex;
}

#loadingOverlay .loader {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 8px solid #ffffff;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

#loadingOverlay .label {
    color: #ffffff;
    font-size: 34px;
    margin-top: 16px;
    text-align: center;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.input-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.voice-controls {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
}

.microphone-icon,
.play-icon {
    font-size: 30px;
}

.voice-status {
    font-size: 20px;
    color: #4CAF50;
    margin-top: 5px;
    font-style: italic;
}

.voice-process-btn {
    font-size: 24px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.voice-process-btn:hover {
    background: #45a049;
    transform: scale(1.05);
}

.voice-btn {
    font-size: 30px;
    background: #4054b2;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 0;
    overflow: hidden;
}

.flag-icon {
    width: 40px;
    height: auto;
    display: block;
}

.stop-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.stop-icon svg {
    width: 30px;
    height: 30px;
}

.voice-btn:hover {
    background: #0000cd;
    transform: scale(1.05);
}

.voice-btn.recording {
    background: #ff4444;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 15px rgba(255, 68, 68, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 68, 68, 0); }
}

.upload-error {
    margin: 1rem 2ch;
    padding: 12px 16px;
    border-radius: 6px;
    background: #ffeaea;
    color: #8a1f1f;
    border: 1px solid #f5c2c7;
    font-size: 20px;
}