/* Global styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 25px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 25px;
    color: #2c3e50;
    font-weight: 600;
}

/* Form styles */
#tts-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-type {
    display: flex;
    gap: 25px;
    justify-content: center;
    margin-bottom: 15px;
}

.input-type label {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

#srt-upload, #text-input {
    display: none; /* Toggled by JavaScript */
}

#srt-upload label, #text-input label {
    display: block;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    margin-bottom: 8px;
    font-weight: bold;
}

#text-input label[for="no_space"] {
    margin-top: 12px;
    font-weight: normal;
}

input[type="file"] {
    display: block;
    margin-bottom: 12px;
    font-size: clamp(0.8rem, 2vw, 1rem);
}

textarea#text_input {
    width: 100%;
    height: 180px;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    resize: vertical;
}

textarea#text_input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 6px rgba(52, 152, 219, 0.4);
}

/* Options section */
.options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.options div {
    display: flex;
    flex-direction: column;
}

.options label {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    margin-bottom: 8px;
    font-weight: bold;
}

.options select, .options input[type="number"] {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: clamp(0.8rem, 2vw, 1rem);
}

.options select:focus, .options input[type="number"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 6px rgba(52, 152, 219, 0.4);
}

.rate-option {
    display: flex;
    gap: 12px;
    align-items: center;
}

.rate-option input[type="number"] {
    width: 120px;
}

/* Button row */
.button-row {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
}

button {
    padding: 12px 25px;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button[type="submit"] {
    background-color: #3498db;
    color: #fff;
}

button[type="submit"]:hover:not(:disabled) {
    background-color: #2980b9;
    transform: translateY(-2px);
}

button[type="submit"]:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

button[type="button"] {
    background-color: #e74c3c;
    color: #fff;
}

button[type="button"]:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

/* Status messages */
.status-message, .status-error, .status-success, .status-warning, .status-cancelled {
    padding: 12px;
    margin-top: 15px;
    border-radius: 6px;
    text-align: center;
    font-size: clamp(0.8rem, 2.5vw, 1rem);
}

.status-error {
    background-color: #f8d7da;
    color: #dc3545; /* Red color for error messages */
}

.status-success {
    background-color: #d4edda;
    color: #155724;
}

.status-warning {
    background-color: #fff3cd;
    color: #856404;
}

.status-cancelled {
    background-color: #d6d8db;
    color: #383d41;
}

#error-message {
    max-width: 100%;
    overflow: hidden;
}

/* Loading indicator */
#loading-indicator {
    text-align: center;
    margin-top: 25px;
}

.spinner {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#loading-text, #progress-text {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    color: #333;
    margin: 6px 0;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
    .input-type {
        flex-direction: column;
        align-items: center;
    }
    .button-row {
        flex-direction: column;
    }
    button {
        width: 100%;
    }
}