:root {
    --primary-color: #4CAF50;
    --secondary-color: #45a049;
    --error-color: #f44336;
    --text-color: #333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: #f5f5f5;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

h1 {
    color: var(--text-color);
    margin-bottom: 40px;
}

.quejarse-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 24px;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
    transition: transform 0.2s, background-color 0.2s;
}

.quejarse-btn:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

.mic-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.hidden {
    display: none;
}

#transcriptionArea {
    margin-top: 20px;
}

textarea {
    width: 100%;
    min-height: 150px;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 10px;
    margin-bottom: 15px;
    font-size: 16px;
}

.button-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.button-group button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#editBtn {
    background-color: #2196F3;
    color: white;
}

#sendBtn {
    background-color: var(--primary-color);
    color: white;
}

#cancelBtn {
    background-color: var(--error-color);
    color: white;
}

#history {
    margin-top: 40px;
    text-align: left;
}

#historyList {
    list-style: none;
    margin-top: 20px;
}

#historyList li {
    padding: 15px;
    border-bottom: 1px solid #ddd;
    background-color: white;
    border-radius: 5px;
    margin-bottom: 10px;
}

.form-container {
    margin-bottom: 30px;
}

.form-container input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-container input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-container input:invalid {
    border-color: var(--error-color);
}

.instructions-panel {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: left;
}

.instructions-panel h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.instructions-panel ol {
    padding-left: 20px;
}

.instructions-panel li {
    margin-bottom: 15px;
    line-height: 1.5;
}

.file-upload {
    margin: 20px 0;
    text-align: center;
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload label {
    background-color: #2196F3;
    color: white;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
    transition: background-color 0.3s;
}

.file-upload label:hover {
    background-color: #1976D2;
}

.file-list {
    margin-top: 10px;
    text-align: left;
}

.file-list .file-item {
    background-color: #f5f5f5;
    padding: 8px 12px;
    margin: 5px 0;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-list .remove-file {
    color: var(--error-color);
    cursor: pointer;
    padding: 4px 8px;
}