/* --- Collapsible Settings --- */
.settings-toggle {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
    margin-bottom: 1rem;
}

.settings-toggle:hover {
    background-color: var(--button-secondary-hover-bg);
}

.settings-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.settings-container.open {
    max-height: 2000px; /* Adjust as needed */
}

textarea, input[type="text"] {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--input-border);
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    background-color: var(--input-bg);
    color: var(--text-color-primary);
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

textarea:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3); /* This shadow color could also be a variable */
}

.primary-button {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-button:hover {
    background-color: var(--button-primary-hover-bg);
}

.secondary-button {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.secondary-button:hover {
    background-color: var(--button-secondary-hover-bg);
}

/* --- Loader & Messages --- */
#loader {
    display: none;
    margin-top: 1rem;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 4px;
    border-style: solid;
    border-color: var(--loader-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loader-text {
    margin-left: 0.75rem;
    color: var(--loader-text-color);
    transition: color 0.3s ease;
}

.error-message {
    color: var(--error-color);
    text-align: center;
    font-weight: 500;
    margin-top: 1rem;
    min-height: 1.25rem;
}

.success-message {
    color: var(--success-color);
    text-align: center;
    font-weight: 500;
    margin-top: 1rem;
    min-height: 1.25rem;
}

/* --- Output Area --- */
#output-section {
    margin-top: 2rem;
    display: none;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

#output-transcript {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--input-border);
    border-radius: 0.375rem;
    background-color: var(--output-bg);
    height: 16rem;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-color-primary);
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

/* --- Card Sections for Settings Page --- */
.card-section {
    background-color: var(--card-bg);
    border: var(--card-border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease-out;
}

.card-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover, 0 8px 12px rgba(0, 0, 0, 0.15), 0 20px 40px rgba(0, 0, 0, 0.12));
}

.card-section h3 {
    color: var(--text-color-primary);
    margin-top: 0;
    margin-bottom: 1rem;
}

.card-section p {
    color: var(--text-color-secondary);
}

/* --- Theme Toggle Switch --- */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.theme-switch-wrapper em {
    font-style: normal;
    color: var(--text-color-secondary);
    font-size: 0.9rem;
}

.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 48px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: var(--input-border);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: #fff;
    bottom: 2px;
    content: "";
    height: 20px;
    left: 2px;
    position: absolute;
    width: 20px;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--button-primary-bg);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}