* {
    font-family: -apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    min-width: 320px;
    height: 100vh;
    margin: 0;
    padding: 20px;
    background-color: #f4f3ea;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('./img/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    box-sizing: border-box;
}

body.request-for-permission {
    overflow: hidden;
}

.allow-select-text {
    -webkit-touch-callout: text;
    -webkit-user-select: text;
    -khtml-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

body.request-for-permission .permission, body.request-for-permission .curtain {
    display: flex;
}

body.request-for-permission .permission {
    animation: slideDown 1s ease forwards;
}

.permission {
    display: none;
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px;
    font-size: 16px;
    color: white;
    background-color: #4CAF50;
    align-items: stretch;
    gap: 8%;
    box-sizing: border-box;
    z-index: 100;
}

.permission p {
    margin: 0;
    width: 100%;
}

.permission button {
    width: 100%;
    color: #4CAF50;
    background-color: white;
}

.permission button:hover {
    background-color: #ffffffdb;
}

@keyframes slideDown {
    from {
        top: -100%;
    }
    to {
        top: 0;
    }
}

.curtain {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #000000d1;
    z-index: 99;
}

#speech {
    max-width: 480px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
}

select {
    font-size: large;
}

button {
    font-size: 16px;
    padding: 10px;
    margin: 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    width: 100%;
    transition: background-color 160ms ease 20ms;
}

button:hover {
    background-color: #45a049;
}

.select-container {
    position: relative;
    width: 100%;
}

select {
    font-size: 16px;
    padding: 10px 32px 10px 36px;
    margin: 0;
    border-radius: 5px;
    cursor: pointer;
    background-color: #ffffff;
    color: black;
    border: none;
    width: 100%;
    height: 100%;
    -webkit-appearance: none;
    transition: background-color 160ms ease 20ms;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

select:hover {
    background-color: #e7e5d4;
}

select:focus {
    outline: 2px solid #4CAF50;
}

.select-container::before, .select-container::after {
    width: 20px;
    height: 20px;
    position: absolute;
    display: block;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.select-container.language::before {
    content: url('img/icon/globe.svg');
    left: 10px;
}

.select-container.language::after, .select-container.species::after {
    content: url('img/icon/chevron-up-down.svg');
    right: 8px;
}

.select-container.species::before {
    left: 10px;
}

.select-container.species::before, .select-container.species.yellow-oak::before {
    content: url('img/icon/tree.svg');
}

.select-container.atlantic-sturgeon::before {
    content: url('img/icon/fish.svg');
}

.select-container.purple-milkweed::before {
    content: url('img/icon/flower.svg');
}

#text, #conversation-history {
    color: black;
    margin-top: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    max-width: 480px;
    width: 100%;
    overflow-y: auto;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    box-sizing: border-box;
}

#text {
    position: relative;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#conversation-history {
    color: gray;
    max-height: 100px;
}

#recognized-text {
    position: sticky;
    top: 0;
    border-bottom: 1px solid #ddd;
    background-color: white;
}

#recognized-text, #gpt-response {
    padding: 16px;
    color: black;
}

#recognized-text:empty:before, #gpt-response:empty:before {
    content: attr(placeholder);
    color: #999;
    font-style: italic;
}

.gpt-response-label {
    font-size: 0.8em;
    color: gray;
    font-weight: bold;
    margin-bottom: 4px;
}

#conversation-history {
    display: none;
    padding: 16px;
}

#conversation-history.has-content {
    display: block;
}

button:active {
    transform: scale(0.98);
}

.visitor-message {
    background-color: #f1ecde;
    padding: 6px 8px;
    margin-bottom: 5px;
    border-radius: 5px;
}

.gpt-response {
    background-color: #ecefdd;
    padding: 6px 8px;
    margin-bottom: 5px;
    border-radius: 5px;
}

.disabled-interaction button, .disabled-interaction .select-container {
    opacity: 0.4;
    pointer-events: none;
    cursor: not-allowed;
}

#wechatModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f4f3ea;
    z-index: 1000;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 20px 44px 20px;
    box-sizing: border-box;
    gap: 24px;
}

#wechatModal.show {
    display: flex;
}

#wechatModal::after {
    content: url('img/icon/arrow-up.svg');
    width: 40px;
    height: 40px;
    position: absolute;
    display: block;
    top: 8px;
    right: 8px;
    pointer-events: none;
}

#wechatModal p {
    color: black;
    font-size: 20px;
    text-align: center;
    margin: 0;
}

#wechatModal button {
    -webkit-appearance: none;
    font-size: 16px;
    text-align: center;
    padding: 10px 20px;
    border-radius: 40px;
    background-color: #4CAF50;
    width: auto;
}

#wechatModal button:hover {
    background-color: #45a049;
}