:root {
    --primary-color: #FF2D55;
    --background-color: #f0f2f5;
    --text-color: #333;
    --container-background: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    background-image: url('data:image/svg+xml,%3Csvg width="6" height="6" viewBox="0 0 6 6" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%239C92AC" fill-opacity="0.1"%3E%3Cpath d="M5 0h1L0 6V5zM6 5v1H5z"/%3E%3C/g%3E%3C/svg%3E');
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5em;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px var(--shadow-color);
}

.input-section {
    background-color: var(--container-background);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 20px var(--shadow-color);
    margin-bottom: 40px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 1.1em;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1em;
    box-sizing: border-box;
}

textarea {
    height: 150px;
    resize: vertical;
}

.script-input-wrapper {
    position: relative;
}

#open-ted-transcript {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #007bff;
    color: white;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.9em;
    cursor: pointer;
    transition: background-color 0.3s;
}

#open-ted-transcript:hover {
    background-color: #0056b3;
}

button#translate-button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 6px var(--shadow-color);
    display: block;
    width: 100%;
    margin-top: 10px;
}

button#translate-button:hover {
    background-color: #E60023;
    box-shadow: 0 6px 12px rgba(255, 45, 85, 0.4);
}

.output-section {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr;
    gap: 20px;
}

.video-container,
.script-container {
    background-color: var(--container-background);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 20px var(--shadow-color);
}

h2 {
    font-size: 1.5em;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-top: 0;
}

#english-script-display,
#korean-translation-display {
    height: 400px;
    overflow-y: auto;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .output-section {
        grid-template-columns: 1fr;
    }
}